diff options
author | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 09:14:38 -0400 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 09:14:38 -0400 |
commit | d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f (patch) | |
tree | 854ab394486288d40fa8179cbfaf66e8bdc44b0f /arch/arm/mach-imx | |
parent | 73b2c7165b76b20eb1290e7efebc33cfd21db1ca (diff) | |
parent | 3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff) |
Merge branch 'master' into for-next
Diffstat (limited to 'arch/arm/mach-imx')
33 files changed, 8217 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig new file mode 100644 index 000000000000..c5c0369bb481 --- /dev/null +++ b/arch/arm/mach-imx/Kconfig | |||
@@ -0,0 +1,193 @@ | |||
1 | config IMX_HAVE_DMA_V1 | ||
2 | bool | ||
3 | |||
4 | if ARCH_MX1 | ||
5 | |||
6 | config SOC_IMX1 | ||
7 | select CPU_ARM920T | ||
8 | select IMX_HAVE_DMA_V1 | ||
9 | select IMX_HAVE_IOMUX_V1 | ||
10 | bool | ||
11 | |||
12 | comment "MX1 platforms:" | ||
13 | config MACH_MXLADS | ||
14 | bool | ||
15 | |||
16 | config ARCH_MX1ADS | ||
17 | bool "MX1ADS platform" | ||
18 | select MACH_MXLADS | ||
19 | select IMX_HAVE_PLATFORM_IMX_I2C | ||
20 | select IMX_HAVE_PLATFORM_IMX_UART | ||
21 | help | ||
22 | Say Y here if you are using Motorola MX1ADS/MXLADS boards | ||
23 | |||
24 | config MACH_SCB9328 | ||
25 | bool "Synertronixx scb9328" | ||
26 | select IMX_HAVE_PLATFORM_IMX_UART | ||
27 | help | ||
28 | Say Y here if you are using a Synertronixx scb9328 board | ||
29 | |||
30 | endif | ||
31 | |||
32 | if ARCH_MX2 | ||
33 | |||
34 | config SOC_IMX21 | ||
35 | select CPU_ARM926T | ||
36 | select ARCH_MXC_AUDMUX_V1 | ||
37 | select IMX_HAVE_DMA_V1 | ||
38 | select IMX_HAVE_IOMUX_V1 | ||
39 | bool | ||
40 | |||
41 | config SOC_IMX27 | ||
42 | select CPU_ARM926T | ||
43 | select ARCH_MXC_AUDMUX_V1 | ||
44 | select IMX_HAVE_DMA_V1 | ||
45 | select IMX_HAVE_IOMUX_V1 | ||
46 | bool | ||
47 | |||
48 | choice | ||
49 | prompt "CPUs:" | ||
50 | default MACH_MX21 | ||
51 | |||
52 | config MACH_MX21 | ||
53 | bool "i.MX21 support" | ||
54 | select SOC_IMX21 | ||
55 | help | ||
56 | This enables support for Freescale's MX2 based i.MX21 processor. | ||
57 | |||
58 | config MACH_MX27 | ||
59 | bool "i.MX27 support" | ||
60 | select SOC_IMX27 | ||
61 | help | ||
62 | This enables support for Freescale's MX2 based i.MX27 processor. | ||
63 | |||
64 | endchoice | ||
65 | |||
66 | endif | ||
67 | |||
68 | if MACH_MX21 | ||
69 | |||
70 | comment "MX21 platforms:" | ||
71 | |||
72 | config MACH_MX21ADS | ||
73 | bool "MX21ADS platform" | ||
74 | select IMX_HAVE_PLATFORM_IMX_UART | ||
75 | select IMX_HAVE_PLATFORM_MXC_NAND | ||
76 | help | ||
77 | Include support for MX21ADS platform. This includes specific | ||
78 | configurations for the board and its peripherals. | ||
79 | |||
80 | endif | ||
81 | |||
82 | if MACH_MX27 | ||
83 | |||
84 | comment "MX27 platforms:" | ||
85 | |||
86 | config MACH_MX27ADS | ||
87 | bool "MX27ADS platform" | ||
88 | select IMX_HAVE_PLATFORM_IMX_I2C | ||
89 | select IMX_HAVE_PLATFORM_IMX_UART | ||
90 | select IMX_HAVE_PLATFORM_MXC_NAND | ||
91 | help | ||
92 | Include support for MX27ADS platform. This includes specific | ||
93 | configurations for the board and its peripherals. | ||
94 | |||
95 | config MACH_PCM038 | ||
96 | bool "Phytec phyCORE-i.MX27 CPU module (pcm038)" | ||
97 | select IMX_HAVE_PLATFORM_IMX_I2C | ||
98 | select IMX_HAVE_PLATFORM_IMX_UART | ||
99 | select IMX_HAVE_PLATFORM_MXC_NAND | ||
100 | select IMX_HAVE_PLATFORM_SPI_IMX | ||
101 | select MXC_ULPI if USB_ULPI | ||
102 | help | ||
103 | Include support for phyCORE-i.MX27 (aka pcm038) platform. This | ||
104 | includes specific configurations for the module and its peripherals. | ||
105 | |||
106 | choice | ||
107 | prompt "Baseboard" | ||
108 | depends on MACH_PCM038 | ||
109 | default MACH_PCM970_BASEBOARD | ||
110 | |||
111 | config MACH_PCM970_BASEBOARD | ||
112 | prompt "PHYTEC PCM970 development board" | ||
113 | bool | ||
114 | help | ||
115 | This adds board specific devices that can be found on Phytec's | ||
116 | PCM970 evaluation board. | ||
117 | |||
118 | endchoice | ||
119 | |||
120 | config MACH_CPUIMX27 | ||
121 | bool "Eukrea CPUIMX27 module" | ||
122 | select IMX_HAVE_PLATFORM_IMX_I2C | ||
123 | select IMX_HAVE_PLATFORM_IMX_UART | ||
124 | select IMX_HAVE_PLATFORM_MXC_NAND | ||
125 | help | ||
126 | Include support for Eukrea CPUIMX27 platform. This includes | ||
127 | specific configurations for the module and its peripherals. | ||
128 | |||
129 | config MACH_EUKREA_CPUIMX27_USESDHC2 | ||
130 | bool "CPUIMX27 integrates SDHC2 module" | ||
131 | depends on MACH_CPUIMX27 | ||
132 | help | ||
133 | This adds support for the internal SDHC2 used on CPUIMX27 | ||
134 | for wifi or eMMC. | ||
135 | |||
136 | config MACH_EUKREA_CPUIMX27_USEUART4 | ||
137 | bool "CPUIMX27 integrates UART4 module" | ||
138 | depends on MACH_CPUIMX27 | ||
139 | help | ||
140 | This adds support for the internal UART4 used on CPUIMX27 | ||
141 | for bluetooth. | ||
142 | |||
143 | choice | ||
144 | prompt "Baseboard" | ||
145 | depends on MACH_CPUIMX27 | ||
146 | default MACH_EUKREA_MBIMX27_BASEBOARD | ||
147 | |||
148 | config MACH_EUKREA_MBIMX27_BASEBOARD | ||
149 | prompt "Eukrea MBIMX27 development board" | ||
150 | bool | ||
151 | select IMX_HAVE_PLATFORM_IMX_UART | ||
152 | select IMX_HAVE_PLATFORM_SPI_IMX | ||
153 | help | ||
154 | This adds board specific devices that can be found on Eukrea's | ||
155 | MBIMX27 evaluation board. | ||
156 | |||
157 | endchoice | ||
158 | |||
159 | config MACH_MX27_3DS | ||
160 | bool "MX27PDK platform" | ||
161 | select IMX_HAVE_PLATFORM_IMX_UART | ||
162 | help | ||
163 | Include support for MX27PDK platform. This includes specific | ||
164 | configurations for the board and its peripherals. | ||
165 | |||
166 | config MACH_IMX27LITE | ||
167 | bool "LogicPD MX27 LITEKIT platform" | ||
168 | select IMX_HAVE_PLATFORM_IMX_UART | ||
169 | help | ||
170 | Include support for MX27 LITEKIT platform. This includes specific | ||
171 | configurations for the board and its peripherals. | ||
172 | |||
173 | config MACH_PCA100 | ||
174 | bool "Phytec phyCARD-s (pca100)" | ||
175 | select IMX_HAVE_PLATFORM_IMX_I2C | ||
176 | select IMX_HAVE_PLATFORM_IMX_UART | ||
177 | select IMX_HAVE_PLATFORM_MXC_NAND | ||
178 | select IMX_HAVE_PLATFORM_SPI_IMX | ||
179 | select MXC_ULPI if USB_ULPI | ||
180 | help | ||
181 | Include support for phyCARD-s (aka pca100) platform. This | ||
182 | includes specific configurations for the module and its peripherals. | ||
183 | |||
184 | config MACH_MXT_TD60 | ||
185 | bool "Maxtrack i-MXT TD60" | ||
186 | select IMX_HAVE_PLATFORM_IMX_I2C | ||
187 | select IMX_HAVE_PLATFORM_IMX_UART | ||
188 | select IMX_HAVE_PLATFORM_MXC_NAND | ||
189 | help | ||
190 | Include support for i-MXT (aka td60) platform. This | ||
191 | includes specific configurations for the module and its peripherals. | ||
192 | |||
193 | endif | ||
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile new file mode 100644 index 000000000000..46a9fdfbbd15 --- /dev/null +++ b/arch/arm/mach-imx/Makefile | |||
@@ -0,0 +1,33 @@ | |||
1 | # | ||
2 | # Makefile for the linux kernel. | ||
3 | # | ||
4 | |||
5 | # Object file lists. | ||
6 | |||
7 | obj-y := devices.o | ||
8 | |||
9 | obj-$(CONFIG_IMX_HAVE_DMA_V1) += dma-v1.o | ||
10 | |||
11 | obj-$(CONFIG_ARCH_MX1) += clock-imx1.o mm-imx1.o | ||
12 | obj-$(CONFIG_MACH_MX21) += clock-imx21.o mm-imx21.o | ||
13 | |||
14 | obj-$(CONFIG_MACH_MX27) += cpu-imx27.o pm-imx27.o | ||
15 | obj-$(CONFIG_MACH_MX27) += clock-imx27.o mm-imx27.o | ||
16 | |||
17 | # Support for CMOS sensor interface | ||
18 | obj-$(CONFIG_MX1_VIDEO) += mx1-camera-fiq.o mx1-camera-fiq-ksym.o | ||
19 | |||
20 | obj-$(CONFIG_ARCH_MX1ADS) += mach-mx1ads.o | ||
21 | obj-$(CONFIG_MACH_SCB9328) += mach-scb9328.o | ||
22 | |||
23 | obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o | ||
24 | |||
25 | obj-$(CONFIG_MACH_MX27ADS) += mach-mx27ads.o | ||
26 | obj-$(CONFIG_MACH_PCM038) += mach-pcm038.o | ||
27 | obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o | ||
28 | obj-$(CONFIG_MACH_MX27_3DS) += mach-mx27_3ds.o | ||
29 | obj-$(CONFIG_MACH_IMX27LITE) += mach-imx27lite.o | ||
30 | obj-$(CONFIG_MACH_CPUIMX27) += mach-cpuimx27.o | ||
31 | obj-$(CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD) += eukrea_mbimx27-baseboard.o | ||
32 | obj-$(CONFIG_MACH_PCA100) += mach-pca100.o | ||
33 | obj-$(CONFIG_MACH_MXT_TD60) += mach-mxt_td60.o | ||
diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot new file mode 100644 index 000000000000..7988a85cf07d --- /dev/null +++ b/arch/arm/mach-imx/Makefile.boot | |||
@@ -0,0 +1,11 @@ | |||
1 | zreladdr-$(CONFIG_ARCH_MX1) := 0x08008000 | ||
2 | params_phys-$(CONFIG_ARCH_MX1) := 0x08000100 | ||
3 | initrd_phys-$(CONFIG_ARCH_MX1) := 0x08800000 | ||
4 | |||
5 | zreladdr-$(CONFIG_MACH_MX21) := 0xC0008000 | ||
6 | params_phys-$(CONFIG_MACH_MX21) := 0xC0000100 | ||
7 | initrd_phys-$(CONFIG_MACH_MX21) := 0xC0800000 | ||
8 | |||
9 | zreladdr-$(CONFIG_MACH_MX27) := 0xA0008000 | ||
10 | params_phys-$(CONFIG_MACH_MX27) := 0xA0000100 | ||
11 | initrd_phys-$(CONFIG_MACH_MX27) := 0xA0800000 | ||
diff --git a/arch/arm/mach-imx/clock-imx1.c b/arch/arm/mach-imx/clock-imx1.c new file mode 100644 index 000000000000..c05096c38301 --- /dev/null +++ b/arch/arm/mach-imx/clock-imx1.c | |||
@@ -0,0 +1,636 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License version 2 as | ||
6 | * published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License along | ||
14 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
15 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | ||
16 | */ | ||
17 | |||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/list.h> | ||
21 | #include <linux/math64.h> | ||
22 | #include <linux/err.h> | ||
23 | #include <linux/clk.h> | ||
24 | #include <linux/io.h> | ||
25 | |||
26 | #include <asm/clkdev.h> | ||
27 | |||
28 | #include <mach/clock.h> | ||
29 | #include <mach/hardware.h> | ||
30 | #include <mach/common.h> | ||
31 | |||
32 | #define IO_ADDR_CCM(off) (MX1_IO_ADDRESS(MX1_CCM_BASE_ADDR + (off))) | ||
33 | |||
34 | /* CCM register addresses */ | ||
35 | #define CCM_CSCR IO_ADDR_CCM(0x0) | ||
36 | #define CCM_MPCTL0 IO_ADDR_CCM(0x4) | ||
37 | #define CCM_SPCTL0 IO_ADDR_CCM(0xc) | ||
38 | #define CCM_PCDR IO_ADDR_CCM(0x20) | ||
39 | |||
40 | #define CCM_CSCR_CLKO_OFFSET 29 | ||
41 | #define CCM_CSCR_CLKO_MASK (0x7 << 29) | ||
42 | #define CCM_CSCR_USB_OFFSET 26 | ||
43 | #define CCM_CSCR_USB_MASK (0x7 << 26) | ||
44 | #define CCM_CSCR_OSC_EN_SHIFT 17 | ||
45 | #define CCM_CSCR_SYSTEM_SEL (1 << 16) | ||
46 | #define CCM_CSCR_BCLK_OFFSET 10 | ||
47 | #define CCM_CSCR_BCLK_MASK (0xf << 10) | ||
48 | #define CCM_CSCR_PRESC (1 << 15) | ||
49 | |||
50 | #define CCM_PCDR_PCLK3_OFFSET 16 | ||
51 | #define CCM_PCDR_PCLK3_MASK (0x7f << 16) | ||
52 | #define CCM_PCDR_PCLK2_OFFSET 4 | ||
53 | #define CCM_PCDR_PCLK2_MASK (0xf << 4) | ||
54 | #define CCM_PCDR_PCLK1_OFFSET 0 | ||
55 | #define CCM_PCDR_PCLK1_MASK 0xf | ||
56 | |||
57 | #define IO_ADDR_SCM(off) (MX1_IO_ADDRESS(MX1_SCM_BASE_ADDR + (off))) | ||
58 | |||
59 | /* SCM register addresses */ | ||
60 | #define SCM_GCCR IO_ADDR_SCM(0xc) | ||
61 | |||
62 | #define SCM_GCCR_DMA_CLK_EN_OFFSET 3 | ||
63 | #define SCM_GCCR_CSI_CLK_EN_OFFSET 2 | ||
64 | #define SCM_GCCR_MMA_CLK_EN_OFFSET 1 | ||
65 | #define SCM_GCCR_USBD_CLK_EN_OFFSET 0 | ||
66 | |||
67 | static int _clk_enable(struct clk *clk) | ||
68 | { | ||
69 | unsigned int reg; | ||
70 | |||
71 | reg = __raw_readl(clk->enable_reg); | ||
72 | reg |= 1 << clk->enable_shift; | ||
73 | __raw_writel(reg, clk->enable_reg); | ||
74 | |||
75 | return 0; | ||
76 | } | ||
77 | |||
78 | static void _clk_disable(struct clk *clk) | ||
79 | { | ||
80 | unsigned int reg; | ||
81 | |||
82 | reg = __raw_readl(clk->enable_reg); | ||
83 | reg &= ~(1 << clk->enable_shift); | ||
84 | __raw_writel(reg, clk->enable_reg); | ||
85 | } | ||
86 | |||
87 | static int _clk_can_use_parent(const struct clk *clk_arr[], unsigned int size, | ||
88 | struct clk *parent) | ||
89 | { | ||
90 | int i; | ||
91 | |||
92 | for (i = 0; i < size; i++) | ||
93 | if (parent == clk_arr[i]) | ||
94 | return i; | ||
95 | |||
96 | return -EINVAL; | ||
97 | } | ||
98 | |||
99 | static unsigned long | ||
100 | _clk_simple_round_rate(struct clk *clk, unsigned long rate, unsigned int limit) | ||
101 | { | ||
102 | int div; | ||
103 | unsigned long parent_rate; | ||
104 | |||
105 | parent_rate = clk_get_rate(clk->parent); | ||
106 | |||
107 | div = parent_rate / rate; | ||
108 | if (parent_rate % rate) | ||
109 | div++; | ||
110 | |||
111 | if (div > limit) | ||
112 | div = limit; | ||
113 | |||
114 | return parent_rate / div; | ||
115 | } | ||
116 | |||
117 | static unsigned long _clk_parent_round_rate(struct clk *clk, unsigned long rate) | ||
118 | { | ||
119 | return clk->parent->round_rate(clk->parent, rate); | ||
120 | } | ||
121 | |||
122 | static int _clk_parent_set_rate(struct clk *clk, unsigned long rate) | ||
123 | { | ||
124 | return clk->parent->set_rate(clk->parent, rate); | ||
125 | } | ||
126 | |||
127 | static unsigned long clk16m_get_rate(struct clk *clk) | ||
128 | { | ||
129 | return 16000000; | ||
130 | } | ||
131 | |||
132 | static struct clk clk16m = { | ||
133 | .get_rate = clk16m_get_rate, | ||
134 | .enable = _clk_enable, | ||
135 | .enable_reg = CCM_CSCR, | ||
136 | .enable_shift = CCM_CSCR_OSC_EN_SHIFT, | ||
137 | .disable = _clk_disable, | ||
138 | }; | ||
139 | |||
140 | /* in Hz */ | ||
141 | static unsigned long clk32_rate; | ||
142 | |||
143 | static unsigned long clk32_get_rate(struct clk *clk) | ||
144 | { | ||
145 | return clk32_rate; | ||
146 | } | ||
147 | |||
148 | static struct clk clk32 = { | ||
149 | .get_rate = clk32_get_rate, | ||
150 | }; | ||
151 | |||
152 | static unsigned long clk32_premult_get_rate(struct clk *clk) | ||
153 | { | ||
154 | return clk_get_rate(clk->parent) * 512; | ||
155 | } | ||
156 | |||
157 | static struct clk clk32_premult = { | ||
158 | .parent = &clk32, | ||
159 | .get_rate = clk32_premult_get_rate, | ||
160 | }; | ||
161 | |||
162 | static const struct clk *prem_clk_clocks[] = { | ||
163 | &clk32_premult, | ||
164 | &clk16m, | ||
165 | }; | ||
166 | |||
167 | static int prem_clk_set_parent(struct clk *clk, struct clk *parent) | ||
168 | { | ||
169 | int i; | ||
170 | unsigned int reg = __raw_readl(CCM_CSCR); | ||
171 | |||
172 | i = _clk_can_use_parent(prem_clk_clocks, ARRAY_SIZE(prem_clk_clocks), | ||
173 | parent); | ||
174 | |||
175 | switch (i) { | ||
176 | case 0: | ||
177 | reg &= ~CCM_CSCR_SYSTEM_SEL; | ||
178 | break; | ||
179 | case 1: | ||
180 | reg |= CCM_CSCR_SYSTEM_SEL; | ||
181 | break; | ||
182 | default: | ||
183 | return i; | ||
184 | } | ||
185 | |||
186 | __raw_writel(reg, CCM_CSCR); | ||
187 | |||
188 | return 0; | ||
189 | } | ||
190 | |||
191 | static struct clk prem_clk = { | ||
192 | .set_parent = prem_clk_set_parent, | ||
193 | }; | ||
194 | |||
195 | static unsigned long system_clk_get_rate(struct clk *clk) | ||
196 | { | ||
197 | return mxc_decode_pll(__raw_readl(CCM_SPCTL0), | ||
198 | clk_get_rate(clk->parent)); | ||
199 | } | ||
200 | |||
201 | static struct clk system_clk = { | ||
202 | .parent = &prem_clk, | ||
203 | .get_rate = system_clk_get_rate, | ||
204 | }; | ||
205 | |||
206 | static unsigned long mcu_clk_get_rate(struct clk *clk) | ||
207 | { | ||
208 | return mxc_decode_pll(__raw_readl(CCM_MPCTL0), | ||
209 | clk_get_rate(clk->parent)); | ||
210 | } | ||
211 | |||
212 | static struct clk mcu_clk = { | ||
213 | .parent = &clk32_premult, | ||
214 | .get_rate = mcu_clk_get_rate, | ||
215 | }; | ||
216 | |||
217 | static unsigned long fclk_get_rate(struct clk *clk) | ||
218 | { | ||
219 | unsigned long fclk = clk_get_rate(clk->parent); | ||
220 | |||
221 | if (__raw_readl(CCM_CSCR) & CCM_CSCR_PRESC) | ||
222 | fclk /= 2; | ||
223 | |||
224 | return fclk; | ||
225 | } | ||
226 | |||
227 | static struct clk fclk = { | ||
228 | .parent = &mcu_clk, | ||
229 | .get_rate = fclk_get_rate, | ||
230 | }; | ||
231 | |||
232 | /* | ||
233 | * get hclk ( SDRAM, CSI, Memory Stick, I2C, DMA ) | ||
234 | */ | ||
235 | static unsigned long hclk_get_rate(struct clk *clk) | ||
236 | { | ||
237 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_CSCR) & | ||
238 | CCM_CSCR_BCLK_MASK) >> CCM_CSCR_BCLK_OFFSET) + 1); | ||
239 | } | ||
240 | |||
241 | static unsigned long hclk_round_rate(struct clk *clk, unsigned long rate) | ||
242 | { | ||
243 | return _clk_simple_round_rate(clk, rate, 16); | ||
244 | } | ||
245 | |||
246 | static int hclk_set_rate(struct clk *clk, unsigned long rate) | ||
247 | { | ||
248 | unsigned int div; | ||
249 | unsigned int reg; | ||
250 | unsigned long parent_rate; | ||
251 | |||
252 | parent_rate = clk_get_rate(clk->parent); | ||
253 | |||
254 | div = parent_rate / rate; | ||
255 | |||
256 | if (div > 16 || div < 1 || ((parent_rate / div) != rate)) | ||
257 | return -EINVAL; | ||
258 | |||
259 | div--; | ||
260 | |||
261 | reg = __raw_readl(CCM_CSCR); | ||
262 | reg &= ~CCM_CSCR_BCLK_MASK; | ||
263 | reg |= div << CCM_CSCR_BCLK_OFFSET; | ||
264 | __raw_writel(reg, CCM_CSCR); | ||
265 | |||
266 | return 0; | ||
267 | } | ||
268 | |||
269 | static struct clk hclk = { | ||
270 | .parent = &system_clk, | ||
271 | .get_rate = hclk_get_rate, | ||
272 | .round_rate = hclk_round_rate, | ||
273 | .set_rate = hclk_set_rate, | ||
274 | }; | ||
275 | |||
276 | static unsigned long clk48m_get_rate(struct clk *clk) | ||
277 | { | ||
278 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_CSCR) & | ||
279 | CCM_CSCR_USB_MASK) >> CCM_CSCR_USB_OFFSET) + 1); | ||
280 | } | ||
281 | |||
282 | static unsigned long clk48m_round_rate(struct clk *clk, unsigned long rate) | ||
283 | { | ||
284 | return _clk_simple_round_rate(clk, rate, 8); | ||
285 | } | ||
286 | |||
287 | static int clk48m_set_rate(struct clk *clk, unsigned long rate) | ||
288 | { | ||
289 | unsigned int div; | ||
290 | unsigned int reg; | ||
291 | unsigned long parent_rate; | ||
292 | |||
293 | parent_rate = clk_get_rate(clk->parent); | ||
294 | |||
295 | div = parent_rate / rate; | ||
296 | |||
297 | if (div > 8 || div < 1 || ((parent_rate / div) != rate)) | ||
298 | return -EINVAL; | ||
299 | |||
300 | div--; | ||
301 | |||
302 | reg = __raw_readl(CCM_CSCR); | ||
303 | reg &= ~CCM_CSCR_USB_MASK; | ||
304 | reg |= div << CCM_CSCR_USB_OFFSET; | ||
305 | __raw_writel(reg, CCM_CSCR); | ||
306 | |||
307 | return 0; | ||
308 | } | ||
309 | |||
310 | static struct clk clk48m = { | ||
311 | .parent = &system_clk, | ||
312 | .get_rate = clk48m_get_rate, | ||
313 | .round_rate = clk48m_round_rate, | ||
314 | .set_rate = clk48m_set_rate, | ||
315 | }; | ||
316 | |||
317 | /* | ||
318 | * get peripheral clock 1 ( UART[12], Timer[12], PWM ) | ||
319 | */ | ||
320 | static unsigned long perclk1_get_rate(struct clk *clk) | ||
321 | { | ||
322 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) & | ||
323 | CCM_PCDR_PCLK1_MASK) >> CCM_PCDR_PCLK1_OFFSET) + 1); | ||
324 | } | ||
325 | |||
326 | static unsigned long perclk1_round_rate(struct clk *clk, unsigned long rate) | ||
327 | { | ||
328 | return _clk_simple_round_rate(clk, rate, 16); | ||
329 | } | ||
330 | |||
331 | static int perclk1_set_rate(struct clk *clk, unsigned long rate) | ||
332 | { | ||
333 | unsigned int div; | ||
334 | unsigned int reg; | ||
335 | unsigned long parent_rate; | ||
336 | |||
337 | parent_rate = clk_get_rate(clk->parent); | ||
338 | |||
339 | div = parent_rate / rate; | ||
340 | |||
341 | if (div > 16 || div < 1 || ((parent_rate / div) != rate)) | ||
342 | return -EINVAL; | ||
343 | |||
344 | div--; | ||
345 | |||
346 | reg = __raw_readl(CCM_PCDR); | ||
347 | reg &= ~CCM_PCDR_PCLK1_MASK; | ||
348 | reg |= div << CCM_PCDR_PCLK1_OFFSET; | ||
349 | __raw_writel(reg, CCM_PCDR); | ||
350 | |||
351 | return 0; | ||
352 | } | ||
353 | |||
354 | /* | ||
355 | * get peripheral clock 2 ( LCD, SD, SPI[12] ) | ||
356 | */ | ||
357 | static unsigned long perclk2_get_rate(struct clk *clk) | ||
358 | { | ||
359 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) & | ||
360 | CCM_PCDR_PCLK2_MASK) >> CCM_PCDR_PCLK2_OFFSET) + 1); | ||
361 | } | ||
362 | |||
363 | static unsigned long perclk2_round_rate(struct clk *clk, unsigned long rate) | ||
364 | { | ||
365 | return _clk_simple_round_rate(clk, rate, 16); | ||
366 | } | ||
367 | |||
368 | static int perclk2_set_rate(struct clk *clk, unsigned long rate) | ||
369 | { | ||
370 | unsigned int div; | ||
371 | unsigned int reg; | ||
372 | unsigned long parent_rate; | ||
373 | |||
374 | parent_rate = clk_get_rate(clk->parent); | ||
375 | |||
376 | div = parent_rate / rate; | ||
377 | |||
378 | if (div > 16 || div < 1 || ((parent_rate / div) != rate)) | ||
379 | return -EINVAL; | ||
380 | |||
381 | div--; | ||
382 | |||
383 | reg = __raw_readl(CCM_PCDR); | ||
384 | reg &= ~CCM_PCDR_PCLK2_MASK; | ||
385 | reg |= div << CCM_PCDR_PCLK2_OFFSET; | ||
386 | __raw_writel(reg, CCM_PCDR); | ||
387 | |||
388 | return 0; | ||
389 | } | ||
390 | |||
391 | /* | ||
392 | * get peripheral clock 3 ( SSI ) | ||
393 | */ | ||
394 | static unsigned long perclk3_get_rate(struct clk *clk) | ||
395 | { | ||
396 | return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) & | ||
397 | CCM_PCDR_PCLK3_MASK) >> CCM_PCDR_PCLK3_OFFSET) + 1); | ||
398 | } | ||
399 | |||
400 | static unsigned long perclk3_round_rate(struct clk *clk, unsigned long rate) | ||
401 | { | ||
402 | return _clk_simple_round_rate(clk, rate, 128); | ||
403 | } | ||
404 | |||
405 | static int perclk3_set_rate(struct clk *clk, unsigned long rate) | ||
406 | { | ||
407 | unsigned int div; | ||
408 | unsigned int reg; | ||
409 | unsigned long parent_rate; | ||
410 | |||
411 | parent_rate = clk_get_rate(clk->parent); | ||
412 | |||
413 | div = parent_rate / rate; | ||
414 | |||
415 | if (div > 128 || div < 1 || ((parent_rate / div) != rate)) | ||
416 | return -EINVAL; | ||
417 | |||
418 | div--; | ||
419 | |||
420 | reg = __raw_readl(CCM_PCDR); | ||
421 | reg &= ~CCM_PCDR_PCLK3_MASK; | ||
422 | reg |= div << CCM_PCDR_PCLK3_OFFSET; | ||
423 | __raw_writel(reg, CCM_PCDR); | ||
424 | |||
425 | return 0; | ||
426 | } | ||
427 | |||
428 | static struct clk perclk[] = { | ||
429 | { | ||
430 | .id = 0, | ||
431 | .parent = &system_clk, | ||
432 | .get_rate = perclk1_get_rate, | ||
433 | .round_rate = perclk1_round_rate, | ||
434 | .set_rate = perclk1_set_rate, | ||
435 | }, { | ||
436 | .id = 1, | ||
437 | .parent = &system_clk, | ||
438 | .get_rate = perclk2_get_rate, | ||
439 | .round_rate = perclk2_round_rate, | ||
440 | .set_rate = perclk2_set_rate, | ||
441 | }, { | ||
442 | .id = 2, | ||
443 | .parent = &system_clk, | ||
444 | .get_rate = perclk3_get_rate, | ||
445 | .round_rate = perclk3_round_rate, | ||
446 | .set_rate = perclk3_set_rate, | ||
447 | } | ||
448 | }; | ||
449 | |||
450 | static const struct clk *clko_clocks[] = { | ||
451 | &perclk[0], | ||
452 | &hclk, | ||
453 | &clk48m, | ||
454 | &clk16m, | ||
455 | &prem_clk, | ||
456 | &fclk, | ||
457 | }; | ||
458 | |||
459 | static int clko_set_parent(struct clk *clk, struct clk *parent) | ||
460 | { | ||
461 | int i; | ||
462 | unsigned int reg; | ||
463 | |||
464 | i = _clk_can_use_parent(clko_clocks, ARRAY_SIZE(clko_clocks), parent); | ||
465 | if (i < 0) | ||
466 | return i; | ||
467 | |||
468 | reg = __raw_readl(CCM_CSCR) & ~CCM_CSCR_CLKO_MASK; | ||
469 | reg |= i << CCM_CSCR_CLKO_OFFSET; | ||
470 | __raw_writel(reg, CCM_CSCR); | ||
471 | |||
472 | if (clko_clocks[i]->set_rate && clko_clocks[i]->round_rate) { | ||
473 | clk->set_rate = _clk_parent_set_rate; | ||
474 | clk->round_rate = _clk_parent_round_rate; | ||
475 | } else { | ||
476 | clk->set_rate = NULL; | ||
477 | clk->round_rate = NULL; | ||
478 | } | ||
479 | |||
480 | return 0; | ||
481 | } | ||
482 | |||
483 | static struct clk clko_clk = { | ||
484 | .set_parent = clko_set_parent, | ||
485 | }; | ||
486 | |||
487 | static struct clk dma_clk = { | ||
488 | .parent = &hclk, | ||
489 | .round_rate = _clk_parent_round_rate, | ||
490 | .set_rate = _clk_parent_set_rate, | ||
491 | .enable = _clk_enable, | ||
492 | .enable_reg = SCM_GCCR, | ||
493 | .enable_shift = SCM_GCCR_DMA_CLK_EN_OFFSET, | ||
494 | .disable = _clk_disable, | ||
495 | }; | ||
496 | |||
497 | static struct clk csi_clk = { | ||
498 | .parent = &hclk, | ||
499 | .round_rate = _clk_parent_round_rate, | ||
500 | .set_rate = _clk_parent_set_rate, | ||
501 | .enable = _clk_enable, | ||
502 | .enable_reg = SCM_GCCR, | ||
503 | .enable_shift = SCM_GCCR_CSI_CLK_EN_OFFSET, | ||
504 | .disable = _clk_disable, | ||
505 | }; | ||
506 | |||
507 | static struct clk mma_clk = { | ||
508 | .parent = &hclk, | ||
509 | .round_rate = _clk_parent_round_rate, | ||
510 | .set_rate = _clk_parent_set_rate, | ||
511 | .enable = _clk_enable, | ||
512 | .enable_reg = SCM_GCCR, | ||
513 | .enable_shift = SCM_GCCR_MMA_CLK_EN_OFFSET, | ||
514 | .disable = _clk_disable, | ||
515 | }; | ||
516 | |||
517 | static struct clk usbd_clk = { | ||
518 | .parent = &clk48m, | ||
519 | .round_rate = _clk_parent_round_rate, | ||
520 | .set_rate = _clk_parent_set_rate, | ||
521 | .enable = _clk_enable, | ||
522 | .enable_reg = SCM_GCCR, | ||
523 | .enable_shift = SCM_GCCR_USBD_CLK_EN_OFFSET, | ||
524 | .disable = _clk_disable, | ||
525 | }; | ||
526 | |||
527 | static struct clk gpt_clk = { | ||
528 | .parent = &perclk[0], | ||
529 | .round_rate = _clk_parent_round_rate, | ||
530 | .set_rate = _clk_parent_set_rate, | ||
531 | }; | ||
532 | |||
533 | static struct clk uart_clk = { | ||
534 | .parent = &perclk[0], | ||
535 | .round_rate = _clk_parent_round_rate, | ||
536 | .set_rate = _clk_parent_set_rate, | ||
537 | }; | ||
538 | |||
539 | static struct clk i2c_clk = { | ||
540 | .parent = &hclk, | ||
541 | .round_rate = _clk_parent_round_rate, | ||
542 | .set_rate = _clk_parent_set_rate, | ||
543 | }; | ||
544 | |||
545 | static struct clk spi_clk = { | ||
546 | .parent = &perclk[1], | ||
547 | .round_rate = _clk_parent_round_rate, | ||
548 | .set_rate = _clk_parent_set_rate, | ||
549 | }; | ||
550 | |||
551 | static struct clk sdhc_clk = { | ||
552 | .parent = &perclk[1], | ||
553 | .round_rate = _clk_parent_round_rate, | ||
554 | .set_rate = _clk_parent_set_rate, | ||
555 | }; | ||
556 | |||
557 | static struct clk lcdc_clk = { | ||
558 | .parent = &perclk[1], | ||
559 | .round_rate = _clk_parent_round_rate, | ||
560 | .set_rate = _clk_parent_set_rate, | ||
561 | }; | ||
562 | |||
563 | static struct clk mshc_clk = { | ||
564 | .parent = &hclk, | ||
565 | .round_rate = _clk_parent_round_rate, | ||
566 | .set_rate = _clk_parent_set_rate, | ||
567 | }; | ||
568 | |||
569 | static struct clk ssi_clk = { | ||
570 | .parent = &perclk[2], | ||
571 | .round_rate = _clk_parent_round_rate, | ||
572 | .set_rate = _clk_parent_set_rate, | ||
573 | }; | ||
574 | |||
575 | static struct clk rtc_clk = { | ||
576 | .parent = &clk32, | ||
577 | }; | ||
578 | |||
579 | #define _REGISTER_CLOCK(d, n, c) \ | ||
580 | { \ | ||
581 | .dev_id = d, \ | ||
582 | .con_id = n, \ | ||
583 | .clk = &c, \ | ||
584 | }, | ||
585 | static struct clk_lookup lookups[] __initdata = { | ||
586 | _REGISTER_CLOCK(NULL, "dma", dma_clk) | ||
587 | _REGISTER_CLOCK("mx1-camera.0", NULL, csi_clk) | ||
588 | _REGISTER_CLOCK(NULL, "mma", mma_clk) | ||
589 | _REGISTER_CLOCK("imx_udc.0", NULL, usbd_clk) | ||
590 | _REGISTER_CLOCK(NULL, "gpt", gpt_clk) | ||
591 | _REGISTER_CLOCK("imx-uart.0", NULL, uart_clk) | ||
592 | _REGISTER_CLOCK("imx-uart.1", NULL, uart_clk) | ||
593 | _REGISTER_CLOCK("imx-uart.2", NULL, uart_clk) | ||
594 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk) | ||
595 | _REGISTER_CLOCK("spi_imx.0", NULL, spi_clk) | ||
596 | _REGISTER_CLOCK("imx-mmc.0", NULL, sdhc_clk) | ||
597 | _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk) | ||
598 | _REGISTER_CLOCK(NULL, "mshc", mshc_clk) | ||
599 | _REGISTER_CLOCK(NULL, "ssi", ssi_clk) | ||
600 | _REGISTER_CLOCK("mxc_rtc.0", NULL, rtc_clk) | ||
601 | }; | ||
602 | |||
603 | int __init mx1_clocks_init(unsigned long fref) | ||
604 | { | ||
605 | unsigned int reg; | ||
606 | |||
607 | /* disable clocks we are able to */ | ||
608 | __raw_writel(0, SCM_GCCR); | ||
609 | |||
610 | clk32_rate = fref; | ||
611 | reg = __raw_readl(CCM_CSCR); | ||
612 | |||
613 | /* detect clock reference for system PLL */ | ||
614 | if (reg & CCM_CSCR_SYSTEM_SEL) { | ||
615 | prem_clk.parent = &clk16m; | ||
616 | } else { | ||
617 | /* ensure that oscillator is disabled */ | ||
618 | reg &= ~(1 << CCM_CSCR_OSC_EN_SHIFT); | ||
619 | __raw_writel(reg, CCM_CSCR); | ||
620 | prem_clk.parent = &clk32_premult; | ||
621 | } | ||
622 | |||
623 | /* detect reference for CLKO */ | ||
624 | reg = (reg & CCM_CSCR_CLKO_MASK) >> CCM_CSCR_CLKO_OFFSET; | ||
625 | clko_clk.parent = (struct clk *)clko_clocks[reg]; | ||
626 | |||
627 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
628 | |||
629 | clk_enable(&hclk); | ||
630 | clk_enable(&fclk); | ||
631 | |||
632 | mxc_timer_init(&gpt_clk, MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR), | ||
633 | MX1_TIM1_INT); | ||
634 | |||
635 | return 0; | ||
636 | } | ||
diff --git a/arch/arm/mach-imx/clock-imx21.c b/arch/arm/mach-imx/clock-imx21.c new file mode 100644 index 000000000000..bb419ef4d133 --- /dev/null +++ b/arch/arm/mach-imx/clock-imx21.c | |||
@@ -0,0 +1,1239 @@ | |||
1 | /* | ||
2 | * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
4 | * Copyright 2008 Martin Fuzzey, mfuzzey@gmail.com | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
18 | * MA 02110-1301, USA. | ||
19 | */ | ||
20 | |||
21 | #include <linux/clk.h> | ||
22 | #include <linux/io.h> | ||
23 | #include <linux/module.h> | ||
24 | |||
25 | #include <mach/clock.h> | ||
26 | #include <mach/hardware.h> | ||
27 | #include <mach/common.h> | ||
28 | #include <asm/clkdev.h> | ||
29 | #include <asm/div64.h> | ||
30 | |||
31 | #define IO_ADDR_CCM(off) (MX21_IO_ADDRESS(MX21_CCM_BASE_ADDR + (off))) | ||
32 | |||
33 | /* Register offsets */ | ||
34 | #define CCM_CSCR IO_ADDR_CCM(0x0) | ||
35 | #define CCM_MPCTL0 IO_ADDR_CCM(0x4) | ||
36 | #define CCM_MPCTL1 IO_ADDR_CCM(0x8) | ||
37 | #define CCM_SPCTL0 IO_ADDR_CCM(0xc) | ||
38 | #define CCM_SPCTL1 IO_ADDR_CCM(0x10) | ||
39 | #define CCM_OSC26MCTL IO_ADDR_CCM(0x14) | ||
40 | #define CCM_PCDR0 IO_ADDR_CCM(0x18) | ||
41 | #define CCM_PCDR1 IO_ADDR_CCM(0x1c) | ||
42 | #define CCM_PCCR0 IO_ADDR_CCM(0x20) | ||
43 | #define CCM_PCCR1 IO_ADDR_CCM(0x24) | ||
44 | #define CCM_CCSR IO_ADDR_CCM(0x28) | ||
45 | #define CCM_PMCTL IO_ADDR_CCM(0x2c) | ||
46 | #define CCM_PMCOUNT IO_ADDR_CCM(0x30) | ||
47 | #define CCM_WKGDCTL IO_ADDR_CCM(0x34) | ||
48 | |||
49 | #define CCM_CSCR_PRESC_OFFSET 29 | ||
50 | #define CCM_CSCR_PRESC_MASK (0x7 << CCM_CSCR_PRESC_OFFSET) | ||
51 | |||
52 | #define CCM_CSCR_USB_OFFSET 26 | ||
53 | #define CCM_CSCR_USB_MASK (0x7 << CCM_CSCR_USB_OFFSET) | ||
54 | #define CCM_CSCR_SD_OFFSET 24 | ||
55 | #define CCM_CSCR_SD_MASK (0x3 << CCM_CSCR_SD_OFFSET) | ||
56 | #define CCM_CSCR_SPLLRES (1 << 22) | ||
57 | #define CCM_CSCR_MPLLRES (1 << 21) | ||
58 | #define CCM_CSCR_SSI2_OFFSET 20 | ||
59 | #define CCM_CSCR_SSI2 (1 << CCM_CSCR_SSI2_OFFSET) | ||
60 | #define CCM_CSCR_SSI1_OFFSET 19 | ||
61 | #define CCM_CSCR_SSI1 (1 << CCM_CSCR_SSI1_OFFSET) | ||
62 | #define CCM_CSCR_FIR_OFFSET 18 | ||
63 | #define CCM_CSCR_FIR (1 << CCM_CSCR_FIR_OFFSET) | ||
64 | #define CCM_CSCR_SP (1 << 17) | ||
65 | #define CCM_CSCR_MCU (1 << 16) | ||
66 | #define CCM_CSCR_BCLK_OFFSET 10 | ||
67 | #define CCM_CSCR_BCLK_MASK (0xf << CCM_CSCR_BCLK_OFFSET) | ||
68 | #define CCM_CSCR_IPDIV_OFFSET 9 | ||
69 | #define CCM_CSCR_IPDIV (1 << CCM_CSCR_IPDIV_OFFSET) | ||
70 | |||
71 | #define CCM_CSCR_OSC26MDIV (1 << 4) | ||
72 | #define CCM_CSCR_OSC26M (1 << 3) | ||
73 | #define CCM_CSCR_FPM (1 << 2) | ||
74 | #define CCM_CSCR_SPEN (1 << 1) | ||
75 | #define CCM_CSCR_MPEN 1 | ||
76 | |||
77 | #define CCM_MPCTL0_CPLM (1 << 31) | ||
78 | #define CCM_MPCTL0_PD_OFFSET 26 | ||
79 | #define CCM_MPCTL0_PD_MASK (0xf << 26) | ||
80 | #define CCM_MPCTL0_MFD_OFFSET 16 | ||
81 | #define CCM_MPCTL0_MFD_MASK (0x3ff << 16) | ||
82 | #define CCM_MPCTL0_MFI_OFFSET 10 | ||
83 | #define CCM_MPCTL0_MFI_MASK (0xf << 10) | ||
84 | #define CCM_MPCTL0_MFN_OFFSET 0 | ||
85 | #define CCM_MPCTL0_MFN_MASK 0x3ff | ||
86 | |||
87 | #define CCM_MPCTL1_LF (1 << 15) | ||
88 | #define CCM_MPCTL1_BRMO (1 << 6) | ||
89 | |||
90 | #define CCM_SPCTL0_CPLM (1 << 31) | ||
91 | #define CCM_SPCTL0_PD_OFFSET 26 | ||
92 | #define CCM_SPCTL0_PD_MASK (0xf << 26) | ||
93 | #define CCM_SPCTL0_MFD_OFFSET 16 | ||
94 | #define CCM_SPCTL0_MFD_MASK (0x3ff << 16) | ||
95 | #define CCM_SPCTL0_MFI_OFFSET 10 | ||
96 | #define CCM_SPCTL0_MFI_MASK (0xf << 10) | ||
97 | #define CCM_SPCTL0_MFN_OFFSET 0 | ||
98 | #define CCM_SPCTL0_MFN_MASK 0x3ff | ||
99 | |||
100 | #define CCM_SPCTL1_LF (1 << 15) | ||
101 | #define CCM_SPCTL1_BRMO (1 << 6) | ||
102 | |||
103 | #define CCM_OSC26MCTL_PEAK_OFFSET 16 | ||
104 | #define CCM_OSC26MCTL_PEAK_MASK (0x3 << 16) | ||
105 | #define CCM_OSC26MCTL_AGC_OFFSET 8 | ||
106 | #define CCM_OSC26MCTL_AGC_MASK (0x3f << 8) | ||
107 | #define CCM_OSC26MCTL_ANATEST_OFFSET 0 | ||
108 | #define CCM_OSC26MCTL_ANATEST_MASK 0x3f | ||
109 | |||
110 | #define CCM_PCDR0_SSI2BAUDDIV_OFFSET 26 | ||
111 | #define CCM_PCDR0_SSI2BAUDDIV_MASK (0x3f << 26) | ||
112 | #define CCM_PCDR0_SSI1BAUDDIV_OFFSET 16 | ||
113 | #define CCM_PCDR0_SSI1BAUDDIV_MASK (0x3f << 16) | ||
114 | #define CCM_PCDR0_NFCDIV_OFFSET 12 | ||
115 | #define CCM_PCDR0_NFCDIV_MASK (0xf << 12) | ||
116 | #define CCM_PCDR0_48MDIV_OFFSET 5 | ||
117 | #define CCM_PCDR0_48MDIV_MASK (0x7 << CCM_PCDR0_48MDIV_OFFSET) | ||
118 | #define CCM_PCDR0_FIRIDIV_OFFSET 0 | ||
119 | #define CCM_PCDR0_FIRIDIV_MASK 0x1f | ||
120 | #define CCM_PCDR1_PERDIV4_OFFSET 24 | ||
121 | #define CCM_PCDR1_PERDIV4_MASK (0x3f << 24) | ||
122 | #define CCM_PCDR1_PERDIV3_OFFSET 16 | ||
123 | #define CCM_PCDR1_PERDIV3_MASK (0x3f << 16) | ||
124 | #define CCM_PCDR1_PERDIV2_OFFSET 8 | ||
125 | #define CCM_PCDR1_PERDIV2_MASK (0x3f << 8) | ||
126 | #define CCM_PCDR1_PERDIV1_OFFSET 0 | ||
127 | #define CCM_PCDR1_PERDIV1_MASK 0x3f | ||
128 | |||
129 | #define CCM_PCCR_HCLK_CSI_OFFSET 31 | ||
130 | #define CCM_PCCR_HCLK_CSI_REG CCM_PCCR0 | ||
131 | #define CCM_PCCR_HCLK_DMA_OFFSET 30 | ||
132 | #define CCM_PCCR_HCLK_DMA_REG CCM_PCCR0 | ||
133 | #define CCM_PCCR_HCLK_BROM_OFFSET 28 | ||
134 | #define CCM_PCCR_HCLK_BROM_REG CCM_PCCR0 | ||
135 | #define CCM_PCCR_HCLK_EMMA_OFFSET 27 | ||
136 | #define CCM_PCCR_HCLK_EMMA_REG CCM_PCCR0 | ||
137 | #define CCM_PCCR_HCLK_LCDC_OFFSET 26 | ||
138 | #define CCM_PCCR_HCLK_LCDC_REG CCM_PCCR0 | ||
139 | #define CCM_PCCR_HCLK_SLCDC_OFFSET 25 | ||
140 | #define CCM_PCCR_HCLK_SLCDC_REG CCM_PCCR0 | ||
141 | #define CCM_PCCR_HCLK_USBOTG_OFFSET 24 | ||
142 | #define CCM_PCCR_HCLK_USBOTG_REG CCM_PCCR0 | ||
143 | #define CCM_PCCR_HCLK_BMI_OFFSET 23 | ||
144 | #define CCM_PCCR_BMI_MASK (1 << CCM_PCCR_BMI_MASK) | ||
145 | #define CCM_PCCR_HCLK_BMI_REG CCM_PCCR0 | ||
146 | #define CCM_PCCR_PERCLK4_OFFSET 22 | ||
147 | #define CCM_PCCR_PERCLK4_REG CCM_PCCR0 | ||
148 | #define CCM_PCCR_SLCDC_OFFSET 21 | ||
149 | #define CCM_PCCR_SLCDC_REG CCM_PCCR0 | ||
150 | #define CCM_PCCR_FIRI_BAUD_OFFSET 20 | ||
151 | #define CCM_PCCR_FIRI_BAUD_MASK (1 << CCM_PCCR_FIRI_BAUD_MASK) | ||
152 | #define CCM_PCCR_FIRI_BAUD_REG CCM_PCCR0 | ||
153 | #define CCM_PCCR_NFC_OFFSET 19 | ||
154 | #define CCM_PCCR_NFC_REG CCM_PCCR0 | ||
155 | #define CCM_PCCR_LCDC_OFFSET 18 | ||
156 | #define CCM_PCCR_LCDC_REG CCM_PCCR0 | ||
157 | #define CCM_PCCR_SSI1_BAUD_OFFSET 17 | ||
158 | #define CCM_PCCR_SSI1_BAUD_REG CCM_PCCR0 | ||
159 | #define CCM_PCCR_SSI2_BAUD_OFFSET 16 | ||
160 | #define CCM_PCCR_SSI2_BAUD_REG CCM_PCCR0 | ||
161 | #define CCM_PCCR_EMMA_OFFSET 15 | ||
162 | #define CCM_PCCR_EMMA_REG CCM_PCCR0 | ||
163 | #define CCM_PCCR_USBOTG_OFFSET 14 | ||
164 | #define CCM_PCCR_USBOTG_REG CCM_PCCR0 | ||
165 | #define CCM_PCCR_DMA_OFFSET 13 | ||
166 | #define CCM_PCCR_DMA_REG CCM_PCCR0 | ||
167 | #define CCM_PCCR_I2C1_OFFSET 12 | ||
168 | #define CCM_PCCR_I2C1_REG CCM_PCCR0 | ||
169 | #define CCM_PCCR_GPIO_OFFSET 11 | ||
170 | #define CCM_PCCR_GPIO_REG CCM_PCCR0 | ||
171 | #define CCM_PCCR_SDHC2_OFFSET 10 | ||
172 | #define CCM_PCCR_SDHC2_REG CCM_PCCR0 | ||
173 | #define CCM_PCCR_SDHC1_OFFSET 9 | ||
174 | #define CCM_PCCR_SDHC1_REG CCM_PCCR0 | ||
175 | #define CCM_PCCR_FIRI_OFFSET 8 | ||
176 | #define CCM_PCCR_FIRI_MASK (1 << CCM_PCCR_BAUD_MASK) | ||
177 | #define CCM_PCCR_FIRI_REG CCM_PCCR0 | ||
178 | #define CCM_PCCR_SSI2_IPG_OFFSET 7 | ||
179 | #define CCM_PCCR_SSI2_REG CCM_PCCR0 | ||
180 | #define CCM_PCCR_SSI1_IPG_OFFSET 6 | ||
181 | #define CCM_PCCR_SSI1_REG CCM_PCCR0 | ||
182 | #define CCM_PCCR_CSPI2_OFFSET 5 | ||
183 | #define CCM_PCCR_CSPI2_REG CCM_PCCR0 | ||
184 | #define CCM_PCCR_CSPI1_OFFSET 4 | ||
185 | #define CCM_PCCR_CSPI1_REG CCM_PCCR0 | ||
186 | #define CCM_PCCR_UART4_OFFSET 3 | ||
187 | #define CCM_PCCR_UART4_REG CCM_PCCR0 | ||
188 | #define CCM_PCCR_UART3_OFFSET 2 | ||
189 | #define CCM_PCCR_UART3_REG CCM_PCCR0 | ||
190 | #define CCM_PCCR_UART2_OFFSET 1 | ||
191 | #define CCM_PCCR_UART2_REG CCM_PCCR0 | ||
192 | #define CCM_PCCR_UART1_OFFSET 0 | ||
193 | #define CCM_PCCR_UART1_REG CCM_PCCR0 | ||
194 | |||
195 | #define CCM_PCCR_OWIRE_OFFSET 31 | ||
196 | #define CCM_PCCR_OWIRE_REG CCM_PCCR1 | ||
197 | #define CCM_PCCR_KPP_OFFSET 30 | ||
198 | #define CCM_PCCR_KPP_REG CCM_PCCR1 | ||
199 | #define CCM_PCCR_RTC_OFFSET 29 | ||
200 | #define CCM_PCCR_RTC_REG CCM_PCCR1 | ||
201 | #define CCM_PCCR_PWM_OFFSET 28 | ||
202 | #define CCM_PCCR_PWM_REG CCM_PCCR1 | ||
203 | #define CCM_PCCR_GPT3_OFFSET 27 | ||
204 | #define CCM_PCCR_GPT3_REG CCM_PCCR1 | ||
205 | #define CCM_PCCR_GPT2_OFFSET 26 | ||
206 | #define CCM_PCCR_GPT2_REG CCM_PCCR1 | ||
207 | #define CCM_PCCR_GPT1_OFFSET 25 | ||
208 | #define CCM_PCCR_GPT1_REG CCM_PCCR1 | ||
209 | #define CCM_PCCR_WDT_OFFSET 24 | ||
210 | #define CCM_PCCR_WDT_REG CCM_PCCR1 | ||
211 | #define CCM_PCCR_CSPI3_OFFSET 23 | ||
212 | #define CCM_PCCR_CSPI3_REG CCM_PCCR1 | ||
213 | |||
214 | #define CCM_PCCR_CSPI1_MASK (1 << CCM_PCCR_CSPI1_OFFSET) | ||
215 | #define CCM_PCCR_CSPI2_MASK (1 << CCM_PCCR_CSPI2_OFFSET) | ||
216 | #define CCM_PCCR_CSPI3_MASK (1 << CCM_PCCR_CSPI3_OFFSET) | ||
217 | #define CCM_PCCR_DMA_MASK (1 << CCM_PCCR_DMA_OFFSET) | ||
218 | #define CCM_PCCR_EMMA_MASK (1 << CCM_PCCR_EMMA_OFFSET) | ||
219 | #define CCM_PCCR_GPIO_MASK (1 << CCM_PCCR_GPIO_OFFSET) | ||
220 | #define CCM_PCCR_GPT1_MASK (1 << CCM_PCCR_GPT1_OFFSET) | ||
221 | #define CCM_PCCR_GPT2_MASK (1 << CCM_PCCR_GPT2_OFFSET) | ||
222 | #define CCM_PCCR_GPT3_MASK (1 << CCM_PCCR_GPT3_OFFSET) | ||
223 | #define CCM_PCCR_HCLK_BROM_MASK (1 << CCM_PCCR_HCLK_BROM_OFFSET) | ||
224 | #define CCM_PCCR_HCLK_CSI_MASK (1 << CCM_PCCR_HCLK_CSI_OFFSET) | ||
225 | #define CCM_PCCR_HCLK_DMA_MASK (1 << CCM_PCCR_HCLK_DMA_OFFSET) | ||
226 | #define CCM_PCCR_HCLK_EMMA_MASK (1 << CCM_PCCR_HCLK_EMMA_OFFSET) | ||
227 | #define CCM_PCCR_HCLK_LCDC_MASK (1 << CCM_PCCR_HCLK_LCDC_OFFSET) | ||
228 | #define CCM_PCCR_HCLK_SLCDC_MASK (1 << CCM_PCCR_HCLK_SLCDC_OFFSET) | ||
229 | #define CCM_PCCR_HCLK_USBOTG_MASK (1 << CCM_PCCR_HCLK_USBOTG_OFFSET) | ||
230 | #define CCM_PCCR_I2C1_MASK (1 << CCM_PCCR_I2C1_OFFSET) | ||
231 | #define CCM_PCCR_KPP_MASK (1 << CCM_PCCR_KPP_OFFSET) | ||
232 | #define CCM_PCCR_LCDC_MASK (1 << CCM_PCCR_LCDC_OFFSET) | ||
233 | #define CCM_PCCR_NFC_MASK (1 << CCM_PCCR_NFC_OFFSET) | ||
234 | #define CCM_PCCR_OWIRE_MASK (1 << CCM_PCCR_OWIRE_OFFSET) | ||
235 | #define CCM_PCCR_PERCLK4_MASK (1 << CCM_PCCR_PERCLK4_OFFSET) | ||
236 | #define CCM_PCCR_PWM_MASK (1 << CCM_PCCR_PWM_OFFSET) | ||
237 | #define CCM_PCCR_RTC_MASK (1 << CCM_PCCR_RTC_OFFSET) | ||
238 | #define CCM_PCCR_SDHC1_MASK (1 << CCM_PCCR_SDHC1_OFFSET) | ||
239 | #define CCM_PCCR_SDHC2_MASK (1 << CCM_PCCR_SDHC2_OFFSET) | ||
240 | #define CCM_PCCR_SLCDC_MASK (1 << CCM_PCCR_SLCDC_OFFSET) | ||
241 | #define CCM_PCCR_SSI1_BAUD_MASK (1 << CCM_PCCR_SSI1_BAUD_OFFSET) | ||
242 | #define CCM_PCCR_SSI1_IPG_MASK (1 << CCM_PCCR_SSI1_IPG_OFFSET) | ||
243 | #define CCM_PCCR_SSI2_BAUD_MASK (1 << CCM_PCCR_SSI2_BAUD_OFFSET) | ||
244 | #define CCM_PCCR_SSI2_IPG_MASK (1 << CCM_PCCR_SSI2_IPG_OFFSET) | ||
245 | #define CCM_PCCR_UART1_MASK (1 << CCM_PCCR_UART1_OFFSET) | ||
246 | #define CCM_PCCR_UART2_MASK (1 << CCM_PCCR_UART2_OFFSET) | ||
247 | #define CCM_PCCR_UART3_MASK (1 << CCM_PCCR_UART3_OFFSET) | ||
248 | #define CCM_PCCR_UART4_MASK (1 << CCM_PCCR_UART4_OFFSET) | ||
249 | #define CCM_PCCR_USBOTG_MASK (1 << CCM_PCCR_USBOTG_OFFSET) | ||
250 | #define CCM_PCCR_WDT_MASK (1 << CCM_PCCR_WDT_OFFSET) | ||
251 | |||
252 | #define CCM_CCSR_32KSR (1 << 15) | ||
253 | |||
254 | #define CCM_CCSR_CLKMODE1 (1 << 9) | ||
255 | #define CCM_CCSR_CLKMODE0 (1 << 8) | ||
256 | |||
257 | #define CCM_CCSR_CLKOSEL_OFFSET 0 | ||
258 | #define CCM_CCSR_CLKOSEL_MASK 0x1f | ||
259 | |||
260 | #define SYS_FMCR 0x14 /* Functional Muxing Control Reg */ | ||
261 | #define SYS_CHIP_ID 0x00 /* The offset of CHIP ID register */ | ||
262 | |||
263 | static int _clk_enable(struct clk *clk) | ||
264 | { | ||
265 | u32 reg; | ||
266 | |||
267 | reg = __raw_readl(clk->enable_reg); | ||
268 | reg |= 1 << clk->enable_shift; | ||
269 | __raw_writel(reg, clk->enable_reg); | ||
270 | return 0; | ||
271 | } | ||
272 | |||
273 | static void _clk_disable(struct clk *clk) | ||
274 | { | ||
275 | u32 reg; | ||
276 | |||
277 | reg = __raw_readl(clk->enable_reg); | ||
278 | reg &= ~(1 << clk->enable_shift); | ||
279 | __raw_writel(reg, clk->enable_reg); | ||
280 | } | ||
281 | |||
282 | static unsigned long _clk_generic_round_rate(struct clk *clk, | ||
283 | unsigned long rate, | ||
284 | u32 max_divisor) | ||
285 | { | ||
286 | u32 div; | ||
287 | unsigned long parent_rate; | ||
288 | |||
289 | parent_rate = clk_get_rate(clk->parent); | ||
290 | |||
291 | div = parent_rate / rate; | ||
292 | if (parent_rate % rate) | ||
293 | div++; | ||
294 | |||
295 | if (div > max_divisor) | ||
296 | div = max_divisor; | ||
297 | |||
298 | return parent_rate / div; | ||
299 | } | ||
300 | |||
301 | static int _clk_spll_enable(struct clk *clk) | ||
302 | { | ||
303 | u32 reg; | ||
304 | |||
305 | reg = __raw_readl(CCM_CSCR); | ||
306 | reg |= CCM_CSCR_SPEN; | ||
307 | __raw_writel(reg, CCM_CSCR); | ||
308 | |||
309 | while ((__raw_readl(CCM_SPCTL1) & CCM_SPCTL1_LF) == 0) | ||
310 | ; | ||
311 | return 0; | ||
312 | } | ||
313 | |||
314 | static void _clk_spll_disable(struct clk *clk) | ||
315 | { | ||
316 | u32 reg; | ||
317 | |||
318 | reg = __raw_readl(CCM_CSCR); | ||
319 | reg &= ~CCM_CSCR_SPEN; | ||
320 | __raw_writel(reg, CCM_CSCR); | ||
321 | } | ||
322 | |||
323 | |||
324 | #define CSCR() (__raw_readl(CCM_CSCR)) | ||
325 | #define PCDR0() (__raw_readl(CCM_PCDR0)) | ||
326 | #define PCDR1() (__raw_readl(CCM_PCDR1)) | ||
327 | |||
328 | static unsigned long _clk_perclkx_round_rate(struct clk *clk, | ||
329 | unsigned long rate) | ||
330 | { | ||
331 | return _clk_generic_round_rate(clk, rate, 64); | ||
332 | } | ||
333 | |||
334 | static int _clk_perclkx_set_rate(struct clk *clk, unsigned long rate) | ||
335 | { | ||
336 | u32 reg; | ||
337 | u32 div; | ||
338 | unsigned long parent_rate; | ||
339 | |||
340 | parent_rate = clk_get_rate(clk->parent); | ||
341 | |||
342 | if (clk->id < 0 || clk->id > 3) | ||
343 | return -EINVAL; | ||
344 | |||
345 | div = parent_rate / rate; | ||
346 | if (div > 64 || div < 1 || ((parent_rate / div) != rate)) | ||
347 | return -EINVAL; | ||
348 | div--; | ||
349 | |||
350 | reg = | ||
351 | __raw_readl(CCM_PCDR1) & ~(CCM_PCDR1_PERDIV1_MASK << | ||
352 | (clk->id << 3)); | ||
353 | reg |= div << (clk->id << 3); | ||
354 | __raw_writel(reg, CCM_PCDR1); | ||
355 | |||
356 | return 0; | ||
357 | } | ||
358 | |||
359 | static unsigned long _clk_usb_recalc(struct clk *clk) | ||
360 | { | ||
361 | unsigned long usb_pdf; | ||
362 | unsigned long parent_rate; | ||
363 | |||
364 | parent_rate = clk_get_rate(clk->parent); | ||
365 | |||
366 | usb_pdf = (CSCR() & CCM_CSCR_USB_MASK) >> CCM_CSCR_USB_OFFSET; | ||
367 | |||
368 | return parent_rate / (usb_pdf + 1U); | ||
369 | } | ||
370 | |||
371 | static unsigned long _clk_usb_round_rate(struct clk *clk, | ||
372 | unsigned long rate) | ||
373 | { | ||
374 | return _clk_generic_round_rate(clk, rate, 8); | ||
375 | } | ||
376 | |||
377 | static int _clk_usb_set_rate(struct clk *clk, unsigned long rate) | ||
378 | { | ||
379 | u32 reg; | ||
380 | u32 div; | ||
381 | unsigned long parent_rate; | ||
382 | |||
383 | parent_rate = clk_get_rate(clk->parent); | ||
384 | |||
385 | div = parent_rate / rate; | ||
386 | if (div > 8 || div < 1 || ((parent_rate / div) != rate)) | ||
387 | return -EINVAL; | ||
388 | div--; | ||
389 | |||
390 | reg = CSCR() & ~CCM_CSCR_USB_MASK; | ||
391 | reg |= div << CCM_CSCR_USB_OFFSET; | ||
392 | __raw_writel(reg, CCM_CSCR); | ||
393 | |||
394 | return 0; | ||
395 | } | ||
396 | |||
397 | static unsigned long _clk_ssix_recalc(struct clk *clk, unsigned long pdf) | ||
398 | { | ||
399 | unsigned long parent_rate; | ||
400 | |||
401 | parent_rate = clk_get_rate(clk->parent); | ||
402 | |||
403 | pdf = (pdf < 2) ? 124UL : pdf; /* MX21 & MX27 TO1 */ | ||
404 | |||
405 | return 2UL * parent_rate / pdf; | ||
406 | } | ||
407 | |||
408 | static unsigned long _clk_ssi1_recalc(struct clk *clk) | ||
409 | { | ||
410 | return _clk_ssix_recalc(clk, | ||
411 | (PCDR0() & CCM_PCDR0_SSI1BAUDDIV_MASK) | ||
412 | >> CCM_PCDR0_SSI1BAUDDIV_OFFSET); | ||
413 | } | ||
414 | |||
415 | static unsigned long _clk_ssi2_recalc(struct clk *clk) | ||
416 | { | ||
417 | return _clk_ssix_recalc(clk, | ||
418 | (PCDR0() & CCM_PCDR0_SSI2BAUDDIV_MASK) >> | ||
419 | CCM_PCDR0_SSI2BAUDDIV_OFFSET); | ||
420 | } | ||
421 | |||
422 | static unsigned long _clk_nfc_recalc(struct clk *clk) | ||
423 | { | ||
424 | unsigned long nfc_pdf; | ||
425 | unsigned long parent_rate; | ||
426 | |||
427 | parent_rate = clk_get_rate(clk->parent); | ||
428 | |||
429 | nfc_pdf = (PCDR0() & CCM_PCDR0_NFCDIV_MASK) | ||
430 | >> CCM_PCDR0_NFCDIV_OFFSET; | ||
431 | |||
432 | return parent_rate / (nfc_pdf + 1); | ||
433 | } | ||
434 | |||
435 | static unsigned long _clk_parent_round_rate(struct clk *clk, unsigned long rate) | ||
436 | { | ||
437 | return clk->parent->round_rate(clk->parent, rate); | ||
438 | } | ||
439 | |||
440 | static int _clk_parent_set_rate(struct clk *clk, unsigned long rate) | ||
441 | { | ||
442 | return clk->parent->set_rate(clk->parent, rate); | ||
443 | } | ||
444 | |||
445 | static unsigned long external_high_reference; /* in Hz */ | ||
446 | |||
447 | static unsigned long get_high_reference_clock_rate(struct clk *clk) | ||
448 | { | ||
449 | return external_high_reference; | ||
450 | } | ||
451 | |||
452 | /* | ||
453 | * the high frequency external clock reference | ||
454 | * Default case is 26MHz. | ||
455 | */ | ||
456 | static struct clk ckih_clk = { | ||
457 | .get_rate = get_high_reference_clock_rate, | ||
458 | }; | ||
459 | |||
460 | static unsigned long external_low_reference; /* in Hz */ | ||
461 | |||
462 | static unsigned long get_low_reference_clock_rate(struct clk *clk) | ||
463 | { | ||
464 | return external_low_reference; | ||
465 | } | ||
466 | |||
467 | /* | ||
468 | * the low frequency external clock reference | ||
469 | * Default case is 32.768kHz. | ||
470 | */ | ||
471 | static struct clk ckil_clk = { | ||
472 | .get_rate = get_low_reference_clock_rate, | ||
473 | }; | ||
474 | |||
475 | |||
476 | static unsigned long _clk_fpm_recalc(struct clk *clk) | ||
477 | { | ||
478 | return clk_get_rate(clk->parent) * 512; | ||
479 | } | ||
480 | |||
481 | /* Output of frequency pre multiplier */ | ||
482 | static struct clk fpm_clk = { | ||
483 | .parent = &ckil_clk, | ||
484 | .get_rate = _clk_fpm_recalc, | ||
485 | }; | ||
486 | |||
487 | static unsigned long get_mpll_clk(struct clk *clk) | ||
488 | { | ||
489 | uint32_t reg; | ||
490 | unsigned long ref_clk; | ||
491 | unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0; | ||
492 | unsigned long long temp; | ||
493 | |||
494 | ref_clk = clk_get_rate(clk->parent); | ||
495 | |||
496 | reg = __raw_readl(CCM_MPCTL0); | ||
497 | pdf = (reg & CCM_MPCTL0_PD_MASK) >> CCM_MPCTL0_PD_OFFSET; | ||
498 | mfd = (reg & CCM_MPCTL0_MFD_MASK) >> CCM_MPCTL0_MFD_OFFSET; | ||
499 | mfi = (reg & CCM_MPCTL0_MFI_MASK) >> CCM_MPCTL0_MFI_OFFSET; | ||
500 | mfn = (reg & CCM_MPCTL0_MFN_MASK) >> CCM_MPCTL0_MFN_OFFSET; | ||
501 | |||
502 | mfi = (mfi <= 5) ? 5 : mfi; | ||
503 | temp = 2LL * ref_clk * mfn; | ||
504 | do_div(temp, mfd + 1); | ||
505 | temp = 2LL * ref_clk * mfi + temp; | ||
506 | do_div(temp, pdf + 1); | ||
507 | |||
508 | return (unsigned long)temp; | ||
509 | } | ||
510 | |||
511 | static struct clk mpll_clk = { | ||
512 | .parent = &ckih_clk, | ||
513 | .get_rate = get_mpll_clk, | ||
514 | }; | ||
515 | |||
516 | static unsigned long _clk_fclk_get_rate(struct clk *clk) | ||
517 | { | ||
518 | unsigned long parent_rate; | ||
519 | u32 div; | ||
520 | |||
521 | div = (CSCR() & CCM_CSCR_PRESC_MASK) >> CCM_CSCR_PRESC_OFFSET; | ||
522 | parent_rate = clk_get_rate(clk->parent); | ||
523 | |||
524 | return parent_rate / (div+1); | ||
525 | } | ||
526 | |||
527 | static struct clk fclk_clk = { | ||
528 | .parent = &mpll_clk, | ||
529 | .get_rate = _clk_fclk_get_rate | ||
530 | }; | ||
531 | |||
532 | static unsigned long get_spll_clk(struct clk *clk) | ||
533 | { | ||
534 | uint32_t reg; | ||
535 | unsigned long ref_clk; | ||
536 | unsigned long mfi = 0, mfn = 0, mfd = 0, pdf = 0; | ||
537 | unsigned long long temp; | ||
538 | |||
539 | ref_clk = clk_get_rate(clk->parent); | ||
540 | |||
541 | reg = __raw_readl(CCM_SPCTL0); | ||
542 | pdf = (reg & CCM_SPCTL0_PD_MASK) >> CCM_SPCTL0_PD_OFFSET; | ||
543 | mfd = (reg & CCM_SPCTL0_MFD_MASK) >> CCM_SPCTL0_MFD_OFFSET; | ||
544 | mfi = (reg & CCM_SPCTL0_MFI_MASK) >> CCM_SPCTL0_MFI_OFFSET; | ||
545 | mfn = (reg & CCM_SPCTL0_MFN_MASK) >> CCM_SPCTL0_MFN_OFFSET; | ||
546 | |||
547 | mfi = (mfi <= 5) ? 5 : mfi; | ||
548 | temp = 2LL * ref_clk * mfn; | ||
549 | do_div(temp, mfd + 1); | ||
550 | temp = 2LL * ref_clk * mfi + temp; | ||
551 | do_div(temp, pdf + 1); | ||
552 | |||
553 | return (unsigned long)temp; | ||
554 | } | ||
555 | |||
556 | static struct clk spll_clk = { | ||
557 | .parent = &ckih_clk, | ||
558 | .get_rate = get_spll_clk, | ||
559 | .enable = _clk_spll_enable, | ||
560 | .disable = _clk_spll_disable, | ||
561 | }; | ||
562 | |||
563 | static unsigned long get_hclk_clk(struct clk *clk) | ||
564 | { | ||
565 | unsigned long rate; | ||
566 | unsigned long bclk_pdf; | ||
567 | |||
568 | bclk_pdf = (CSCR() & CCM_CSCR_BCLK_MASK) | ||
569 | >> CCM_CSCR_BCLK_OFFSET; | ||
570 | |||
571 | rate = clk_get_rate(clk->parent); | ||
572 | return rate / (bclk_pdf + 1); | ||
573 | } | ||
574 | |||
575 | static struct clk hclk_clk = { | ||
576 | .parent = &fclk_clk, | ||
577 | .get_rate = get_hclk_clk, | ||
578 | }; | ||
579 | |||
580 | static unsigned long get_ipg_clk(struct clk *clk) | ||
581 | { | ||
582 | unsigned long rate; | ||
583 | unsigned long ipg_pdf; | ||
584 | |||
585 | ipg_pdf = (CSCR() & CCM_CSCR_IPDIV) >> CCM_CSCR_IPDIV_OFFSET; | ||
586 | |||
587 | rate = clk_get_rate(clk->parent); | ||
588 | return rate / (ipg_pdf + 1); | ||
589 | } | ||
590 | |||
591 | static struct clk ipg_clk = { | ||
592 | .parent = &hclk_clk, | ||
593 | .get_rate = get_ipg_clk, | ||
594 | }; | ||
595 | |||
596 | static unsigned long _clk_perclkx_recalc(struct clk *clk) | ||
597 | { | ||
598 | unsigned long perclk_pdf; | ||
599 | unsigned long parent_rate; | ||
600 | |||
601 | parent_rate = clk_get_rate(clk->parent); | ||
602 | |||
603 | if (clk->id < 0 || clk->id > 3) | ||
604 | return 0; | ||
605 | |||
606 | perclk_pdf = (PCDR1() >> (clk->id << 3)) & CCM_PCDR1_PERDIV1_MASK; | ||
607 | |||
608 | return parent_rate / (perclk_pdf + 1); | ||
609 | } | ||
610 | |||
611 | static struct clk per_clk[] = { | ||
612 | { | ||
613 | .id = 0, | ||
614 | .parent = &mpll_clk, | ||
615 | .get_rate = _clk_perclkx_recalc, | ||
616 | }, { | ||
617 | .id = 1, | ||
618 | .parent = &mpll_clk, | ||
619 | .get_rate = _clk_perclkx_recalc, | ||
620 | }, { | ||
621 | .id = 2, | ||
622 | .parent = &mpll_clk, | ||
623 | .round_rate = _clk_perclkx_round_rate, | ||
624 | .set_rate = _clk_perclkx_set_rate, | ||
625 | .get_rate = _clk_perclkx_recalc, | ||
626 | /* Enable/Disable done via lcd_clkc[1] */ | ||
627 | }, { | ||
628 | .id = 3, | ||
629 | .parent = &mpll_clk, | ||
630 | .round_rate = _clk_perclkx_round_rate, | ||
631 | .set_rate = _clk_perclkx_set_rate, | ||
632 | .get_rate = _clk_perclkx_recalc, | ||
633 | /* Enable/Disable done via csi_clk[1] */ | ||
634 | }, | ||
635 | }; | ||
636 | |||
637 | static struct clk uart_ipg_clk[]; | ||
638 | |||
639 | static struct clk uart_clk[] = { | ||
640 | { | ||
641 | .id = 0, | ||
642 | .parent = &per_clk[0], | ||
643 | .secondary = &uart_ipg_clk[0], | ||
644 | }, { | ||
645 | .id = 1, | ||
646 | .parent = &per_clk[0], | ||
647 | .secondary = &uart_ipg_clk[1], | ||
648 | }, { | ||
649 | .id = 2, | ||
650 | .parent = &per_clk[0], | ||
651 | .secondary = &uart_ipg_clk[2], | ||
652 | }, { | ||
653 | .id = 3, | ||
654 | .parent = &per_clk[0], | ||
655 | .secondary = &uart_ipg_clk[3], | ||
656 | }, | ||
657 | }; | ||
658 | |||
659 | static struct clk uart_ipg_clk[] = { | ||
660 | { | ||
661 | .id = 0, | ||
662 | .parent = &ipg_clk, | ||
663 | .enable = _clk_enable, | ||
664 | .enable_reg = CCM_PCCR_UART1_REG, | ||
665 | .enable_shift = CCM_PCCR_UART1_OFFSET, | ||
666 | .disable = _clk_disable, | ||
667 | }, { | ||
668 | .id = 1, | ||
669 | .parent = &ipg_clk, | ||
670 | .enable = _clk_enable, | ||
671 | .enable_reg = CCM_PCCR_UART2_REG, | ||
672 | .enable_shift = CCM_PCCR_UART2_OFFSET, | ||
673 | .disable = _clk_disable, | ||
674 | }, { | ||
675 | .id = 2, | ||
676 | .parent = &ipg_clk, | ||
677 | .enable = _clk_enable, | ||
678 | .enable_reg = CCM_PCCR_UART3_REG, | ||
679 | .enable_shift = CCM_PCCR_UART3_OFFSET, | ||
680 | .disable = _clk_disable, | ||
681 | }, { | ||
682 | .id = 3, | ||
683 | .parent = &ipg_clk, | ||
684 | .enable = _clk_enable, | ||
685 | .enable_reg = CCM_PCCR_UART4_REG, | ||
686 | .enable_shift = CCM_PCCR_UART4_OFFSET, | ||
687 | .disable = _clk_disable, | ||
688 | }, | ||
689 | }; | ||
690 | |||
691 | static struct clk gpt_ipg_clk[]; | ||
692 | |||
693 | static struct clk gpt_clk[] = { | ||
694 | { | ||
695 | .id = 0, | ||
696 | .parent = &per_clk[0], | ||
697 | .secondary = &gpt_ipg_clk[0], | ||
698 | }, { | ||
699 | .id = 1, | ||
700 | .parent = &per_clk[0], | ||
701 | .secondary = &gpt_ipg_clk[1], | ||
702 | }, { | ||
703 | .id = 2, | ||
704 | .parent = &per_clk[0], | ||
705 | .secondary = &gpt_ipg_clk[2], | ||
706 | }, | ||
707 | }; | ||
708 | |||
709 | static struct clk gpt_ipg_clk[] = { | ||
710 | { | ||
711 | .id = 0, | ||
712 | .parent = &ipg_clk, | ||
713 | .enable = _clk_enable, | ||
714 | .enable_reg = CCM_PCCR_GPT1_REG, | ||
715 | .enable_shift = CCM_PCCR_GPT1_OFFSET, | ||
716 | .disable = _clk_disable, | ||
717 | }, { | ||
718 | .id = 1, | ||
719 | .parent = &ipg_clk, | ||
720 | .enable = _clk_enable, | ||
721 | .enable_reg = CCM_PCCR_GPT2_REG, | ||
722 | .enable_shift = CCM_PCCR_GPT2_OFFSET, | ||
723 | .disable = _clk_disable, | ||
724 | }, { | ||
725 | .id = 2, | ||
726 | .parent = &ipg_clk, | ||
727 | .enable = _clk_enable, | ||
728 | .enable_reg = CCM_PCCR_GPT3_REG, | ||
729 | .enable_shift = CCM_PCCR_GPT3_OFFSET, | ||
730 | .disable = _clk_disable, | ||
731 | }, | ||
732 | }; | ||
733 | |||
734 | static struct clk pwm_clk[] = { | ||
735 | { | ||
736 | .parent = &per_clk[0], | ||
737 | .secondary = &pwm_clk[1], | ||
738 | }, { | ||
739 | .parent = &ipg_clk, | ||
740 | .enable = _clk_enable, | ||
741 | .enable_reg = CCM_PCCR_PWM_REG, | ||
742 | .enable_shift = CCM_PCCR_PWM_OFFSET, | ||
743 | .disable = _clk_disable, | ||
744 | }, | ||
745 | }; | ||
746 | |||
747 | static struct clk sdhc_ipg_clk[]; | ||
748 | |||
749 | static struct clk sdhc_clk[] = { | ||
750 | { | ||
751 | .id = 0, | ||
752 | .parent = &per_clk[1], | ||
753 | .secondary = &sdhc_ipg_clk[0], | ||
754 | }, { | ||
755 | .id = 1, | ||
756 | .parent = &per_clk[1], | ||
757 | .secondary = &sdhc_ipg_clk[1], | ||
758 | }, | ||
759 | }; | ||
760 | |||
761 | static struct clk sdhc_ipg_clk[] = { | ||
762 | { | ||
763 | .id = 0, | ||
764 | .parent = &ipg_clk, | ||
765 | .enable = _clk_enable, | ||
766 | .enable_reg = CCM_PCCR_SDHC1_REG, | ||
767 | .enable_shift = CCM_PCCR_SDHC1_OFFSET, | ||
768 | .disable = _clk_disable, | ||
769 | }, { | ||
770 | .id = 1, | ||
771 | .parent = &ipg_clk, | ||
772 | .enable = _clk_enable, | ||
773 | .enable_reg = CCM_PCCR_SDHC2_REG, | ||
774 | .enable_shift = CCM_PCCR_SDHC2_OFFSET, | ||
775 | .disable = _clk_disable, | ||
776 | }, | ||
777 | }; | ||
778 | |||
779 | static struct clk cspi_ipg_clk[]; | ||
780 | |||
781 | static struct clk cspi_clk[] = { | ||
782 | { | ||
783 | .id = 0, | ||
784 | .parent = &per_clk[1], | ||
785 | .secondary = &cspi_ipg_clk[0], | ||
786 | }, { | ||
787 | .id = 1, | ||
788 | .parent = &per_clk[1], | ||
789 | .secondary = &cspi_ipg_clk[1], | ||
790 | }, { | ||
791 | .id = 2, | ||
792 | .parent = &per_clk[1], | ||
793 | .secondary = &cspi_ipg_clk[2], | ||
794 | }, | ||
795 | }; | ||
796 | |||
797 | static struct clk cspi_ipg_clk[] = { | ||
798 | { | ||
799 | .id = 0, | ||
800 | .parent = &ipg_clk, | ||
801 | .enable = _clk_enable, | ||
802 | .enable_reg = CCM_PCCR_CSPI1_REG, | ||
803 | .enable_shift = CCM_PCCR_CSPI1_OFFSET, | ||
804 | .disable = _clk_disable, | ||
805 | }, { | ||
806 | .id = 1, | ||
807 | .parent = &ipg_clk, | ||
808 | .enable = _clk_enable, | ||
809 | .enable_reg = CCM_PCCR_CSPI2_REG, | ||
810 | .enable_shift = CCM_PCCR_CSPI2_OFFSET, | ||
811 | .disable = _clk_disable, | ||
812 | }, { | ||
813 | .id = 3, | ||
814 | .parent = &ipg_clk, | ||
815 | .enable = _clk_enable, | ||
816 | .enable_reg = CCM_PCCR_CSPI3_REG, | ||
817 | .enable_shift = CCM_PCCR_CSPI3_OFFSET, | ||
818 | .disable = _clk_disable, | ||
819 | }, | ||
820 | }; | ||
821 | |||
822 | static struct clk lcdc_clk[] = { | ||
823 | { | ||
824 | .parent = &per_clk[2], | ||
825 | .secondary = &lcdc_clk[1], | ||
826 | .round_rate = _clk_parent_round_rate, | ||
827 | .set_rate = _clk_parent_set_rate, | ||
828 | }, { | ||
829 | .parent = &ipg_clk, | ||
830 | .secondary = &lcdc_clk[2], | ||
831 | .enable = _clk_enable, | ||
832 | .enable_reg = CCM_PCCR_LCDC_REG, | ||
833 | .enable_shift = CCM_PCCR_LCDC_OFFSET, | ||
834 | .disable = _clk_disable, | ||
835 | }, { | ||
836 | .parent = &hclk_clk, | ||
837 | .enable = _clk_enable, | ||
838 | .enable_reg = CCM_PCCR_HCLK_LCDC_REG, | ||
839 | .enable_shift = CCM_PCCR_HCLK_LCDC_OFFSET, | ||
840 | .disable = _clk_disable, | ||
841 | }, | ||
842 | }; | ||
843 | |||
844 | static struct clk csi_clk[] = { | ||
845 | { | ||
846 | .parent = &per_clk[3], | ||
847 | .secondary = &csi_clk[1], | ||
848 | .round_rate = _clk_parent_round_rate, | ||
849 | .set_rate = _clk_parent_set_rate, | ||
850 | }, { | ||
851 | .parent = &hclk_clk, | ||
852 | .enable = _clk_enable, | ||
853 | .enable_reg = CCM_PCCR_HCLK_CSI_REG, | ||
854 | .enable_shift = CCM_PCCR_HCLK_CSI_OFFSET, | ||
855 | .disable = _clk_disable, | ||
856 | }, | ||
857 | }; | ||
858 | |||
859 | static struct clk usb_clk[] = { | ||
860 | { | ||
861 | .parent = &spll_clk, | ||
862 | .secondary = &usb_clk[1], | ||
863 | .get_rate = _clk_usb_recalc, | ||
864 | .enable = _clk_enable, | ||
865 | .enable_reg = CCM_PCCR_USBOTG_REG, | ||
866 | .enable_shift = CCM_PCCR_USBOTG_OFFSET, | ||
867 | .disable = _clk_disable, | ||
868 | .round_rate = _clk_usb_round_rate, | ||
869 | .set_rate = _clk_usb_set_rate, | ||
870 | }, { | ||
871 | .parent = &hclk_clk, | ||
872 | .enable = _clk_enable, | ||
873 | .enable_reg = CCM_PCCR_HCLK_USBOTG_REG, | ||
874 | .enable_shift = CCM_PCCR_HCLK_USBOTG_OFFSET, | ||
875 | .disable = _clk_disable, | ||
876 | } | ||
877 | }; | ||
878 | |||
879 | static struct clk ssi_ipg_clk[]; | ||
880 | |||
881 | static struct clk ssi_clk[] = { | ||
882 | { | ||
883 | .id = 0, | ||
884 | .parent = &mpll_clk, | ||
885 | .secondary = &ssi_ipg_clk[0], | ||
886 | .get_rate = _clk_ssi1_recalc, | ||
887 | .enable = _clk_enable, | ||
888 | .enable_reg = CCM_PCCR_SSI1_BAUD_REG, | ||
889 | .enable_shift = CCM_PCCR_SSI1_BAUD_OFFSET, | ||
890 | .disable = _clk_disable, | ||
891 | }, { | ||
892 | .id = 1, | ||
893 | .parent = &mpll_clk, | ||
894 | .secondary = &ssi_ipg_clk[1], | ||
895 | .get_rate = _clk_ssi2_recalc, | ||
896 | .enable = _clk_enable, | ||
897 | .enable_reg = CCM_PCCR_SSI2_BAUD_REG, | ||
898 | .enable_shift = CCM_PCCR_SSI2_BAUD_OFFSET, | ||
899 | .disable = _clk_disable, | ||
900 | }, | ||
901 | }; | ||
902 | |||
903 | static struct clk ssi_ipg_clk[] = { | ||
904 | { | ||
905 | .id = 0, | ||
906 | .parent = &ipg_clk, | ||
907 | .enable = _clk_enable, | ||
908 | .enable_reg = CCM_PCCR_SSI1_REG, | ||
909 | .enable_shift = CCM_PCCR_SSI1_IPG_OFFSET, | ||
910 | .disable = _clk_disable, | ||
911 | }, { | ||
912 | .id = 1, | ||
913 | .parent = &ipg_clk, | ||
914 | .enable = _clk_enable, | ||
915 | .enable_reg = CCM_PCCR_SSI2_REG, | ||
916 | .enable_shift = CCM_PCCR_SSI2_IPG_OFFSET, | ||
917 | .disable = _clk_disable, | ||
918 | }, | ||
919 | }; | ||
920 | |||
921 | |||
922 | static struct clk nfc_clk = { | ||
923 | .parent = &fclk_clk, | ||
924 | .get_rate = _clk_nfc_recalc, | ||
925 | .enable = _clk_enable, | ||
926 | .enable_reg = CCM_PCCR_NFC_REG, | ||
927 | .enable_shift = CCM_PCCR_NFC_OFFSET, | ||
928 | .disable = _clk_disable, | ||
929 | }; | ||
930 | |||
931 | static struct clk dma_clk[] = { | ||
932 | { | ||
933 | .parent = &hclk_clk, | ||
934 | .enable = _clk_enable, | ||
935 | .enable_reg = CCM_PCCR_DMA_REG, | ||
936 | .enable_shift = CCM_PCCR_DMA_OFFSET, | ||
937 | .disable = _clk_disable, | ||
938 | .secondary = &dma_clk[1], | ||
939 | }, { | ||
940 | .enable = _clk_enable, | ||
941 | .enable_reg = CCM_PCCR_HCLK_DMA_REG, | ||
942 | .enable_shift = CCM_PCCR_HCLK_DMA_OFFSET, | ||
943 | .disable = _clk_disable, | ||
944 | }, | ||
945 | }; | ||
946 | |||
947 | static struct clk brom_clk = { | ||
948 | .parent = &hclk_clk, | ||
949 | .enable = _clk_enable, | ||
950 | .enable_reg = CCM_PCCR_HCLK_BROM_REG, | ||
951 | .enable_shift = CCM_PCCR_HCLK_BROM_OFFSET, | ||
952 | .disable = _clk_disable, | ||
953 | }; | ||
954 | |||
955 | static struct clk emma_clk[] = { | ||
956 | { | ||
957 | .parent = &hclk_clk, | ||
958 | .enable = _clk_enable, | ||
959 | .enable_reg = CCM_PCCR_EMMA_REG, | ||
960 | .enable_shift = CCM_PCCR_EMMA_OFFSET, | ||
961 | .disable = _clk_disable, | ||
962 | .secondary = &emma_clk[1], | ||
963 | }, { | ||
964 | .enable = _clk_enable, | ||
965 | .enable_reg = CCM_PCCR_HCLK_EMMA_REG, | ||
966 | .enable_shift = CCM_PCCR_HCLK_EMMA_OFFSET, | ||
967 | .disable = _clk_disable, | ||
968 | } | ||
969 | }; | ||
970 | |||
971 | static struct clk slcdc_clk[] = { | ||
972 | { | ||
973 | .parent = &hclk_clk, | ||
974 | .enable = _clk_enable, | ||
975 | .enable_reg = CCM_PCCR_SLCDC_REG, | ||
976 | .enable_shift = CCM_PCCR_SLCDC_OFFSET, | ||
977 | .disable = _clk_disable, | ||
978 | .secondary = &slcdc_clk[1], | ||
979 | }, { | ||
980 | .enable = _clk_enable, | ||
981 | .enable_reg = CCM_PCCR_HCLK_SLCDC_REG, | ||
982 | .enable_shift = CCM_PCCR_HCLK_SLCDC_OFFSET, | ||
983 | .disable = _clk_disable, | ||
984 | } | ||
985 | }; | ||
986 | |||
987 | static struct clk wdog_clk = { | ||
988 | .parent = &ipg_clk, | ||
989 | .enable = _clk_enable, | ||
990 | .enable_reg = CCM_PCCR_WDT_REG, | ||
991 | .enable_shift = CCM_PCCR_WDT_OFFSET, | ||
992 | .disable = _clk_disable, | ||
993 | }; | ||
994 | |||
995 | static struct clk gpio_clk = { | ||
996 | .parent = &ipg_clk, | ||
997 | .enable = _clk_enable, | ||
998 | .enable_reg = CCM_PCCR_GPIO_REG, | ||
999 | .enable_shift = CCM_PCCR_GPIO_OFFSET, | ||
1000 | .disable = _clk_disable, | ||
1001 | }; | ||
1002 | |||
1003 | static struct clk i2c_clk = { | ||
1004 | .id = 0, | ||
1005 | .parent = &ipg_clk, | ||
1006 | .enable = _clk_enable, | ||
1007 | .enable_reg = CCM_PCCR_I2C1_REG, | ||
1008 | .enable_shift = CCM_PCCR_I2C1_OFFSET, | ||
1009 | .disable = _clk_disable, | ||
1010 | }; | ||
1011 | |||
1012 | static struct clk kpp_clk = { | ||
1013 | .parent = &ipg_clk, | ||
1014 | .enable = _clk_enable, | ||
1015 | .enable_reg = CCM_PCCR_KPP_REG, | ||
1016 | .enable_shift = CCM_PCCR_KPP_OFFSET, | ||
1017 | .disable = _clk_disable, | ||
1018 | }; | ||
1019 | |||
1020 | static struct clk owire_clk = { | ||
1021 | .parent = &ipg_clk, | ||
1022 | .enable = _clk_enable, | ||
1023 | .enable_reg = CCM_PCCR_OWIRE_REG, | ||
1024 | .enable_shift = CCM_PCCR_OWIRE_OFFSET, | ||
1025 | .disable = _clk_disable, | ||
1026 | }; | ||
1027 | |||
1028 | static struct clk rtc_clk = { | ||
1029 | .parent = &ipg_clk, | ||
1030 | .enable = _clk_enable, | ||
1031 | .enable_reg = CCM_PCCR_RTC_REG, | ||
1032 | .enable_shift = CCM_PCCR_RTC_OFFSET, | ||
1033 | .disable = _clk_disable, | ||
1034 | }; | ||
1035 | |||
1036 | static unsigned long _clk_clko_round_rate(struct clk *clk, unsigned long rate) | ||
1037 | { | ||
1038 | return _clk_generic_round_rate(clk, rate, 8); | ||
1039 | } | ||
1040 | |||
1041 | static int _clk_clko_set_rate(struct clk *clk, unsigned long rate) | ||
1042 | { | ||
1043 | u32 reg; | ||
1044 | u32 div; | ||
1045 | unsigned long parent_rate; | ||
1046 | |||
1047 | parent_rate = clk_get_rate(clk->parent); | ||
1048 | |||
1049 | div = parent_rate / rate; | ||
1050 | |||
1051 | if (div > 8 || div < 1 || ((parent_rate / div) != rate)) | ||
1052 | return -EINVAL; | ||
1053 | div--; | ||
1054 | |||
1055 | reg = __raw_readl(CCM_PCDR0); | ||
1056 | |||
1057 | if (clk->parent == &usb_clk[0]) { | ||
1058 | reg &= ~CCM_PCDR0_48MDIV_MASK; | ||
1059 | reg |= div << CCM_PCDR0_48MDIV_OFFSET; | ||
1060 | } | ||
1061 | __raw_writel(reg, CCM_PCDR0); | ||
1062 | |||
1063 | return 0; | ||
1064 | } | ||
1065 | |||
1066 | static unsigned long _clk_clko_recalc(struct clk *clk) | ||
1067 | { | ||
1068 | u32 div = 0; | ||
1069 | unsigned long parent_rate; | ||
1070 | |||
1071 | parent_rate = clk_get_rate(clk->parent); | ||
1072 | |||
1073 | if (clk->parent == &usb_clk[0]) /* 48M */ | ||
1074 | div = __raw_readl(CCM_PCDR0) & CCM_PCDR0_48MDIV_MASK | ||
1075 | >> CCM_PCDR0_48MDIV_OFFSET; | ||
1076 | div++; | ||
1077 | |||
1078 | return parent_rate / div; | ||
1079 | } | ||
1080 | |||
1081 | static struct clk clko_clk; | ||
1082 | |||
1083 | static int _clk_clko_set_parent(struct clk *clk, struct clk *parent) | ||
1084 | { | ||
1085 | u32 reg; | ||
1086 | |||
1087 | reg = __raw_readl(CCM_CCSR) & ~CCM_CCSR_CLKOSEL_MASK; | ||
1088 | |||
1089 | if (parent == &ckil_clk) | ||
1090 | reg |= 0 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1091 | else if (parent == &fpm_clk) | ||
1092 | reg |= 1 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1093 | else if (parent == &ckih_clk) | ||
1094 | reg |= 2 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1095 | else if (parent == mpll_clk.parent) | ||
1096 | reg |= 3 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1097 | else if (parent == spll_clk.parent) | ||
1098 | reg |= 4 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1099 | else if (parent == &mpll_clk) | ||
1100 | reg |= 5 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1101 | else if (parent == &spll_clk) | ||
1102 | reg |= 6 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1103 | else if (parent == &fclk_clk) | ||
1104 | reg |= 7 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1105 | else if (parent == &hclk_clk) | ||
1106 | reg |= 8 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1107 | else if (parent == &ipg_clk) | ||
1108 | reg |= 9 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1109 | else if (parent == &per_clk[0]) | ||
1110 | reg |= 0xA << CCM_CCSR_CLKOSEL_OFFSET; | ||
1111 | else if (parent == &per_clk[1]) | ||
1112 | reg |= 0xB << CCM_CCSR_CLKOSEL_OFFSET; | ||
1113 | else if (parent == &per_clk[2]) | ||
1114 | reg |= 0xC << CCM_CCSR_CLKOSEL_OFFSET; | ||
1115 | else if (parent == &per_clk[3]) | ||
1116 | reg |= 0xD << CCM_CCSR_CLKOSEL_OFFSET; | ||
1117 | else if (parent == &ssi_clk[0]) | ||
1118 | reg |= 0xE << CCM_CCSR_CLKOSEL_OFFSET; | ||
1119 | else if (parent == &ssi_clk[1]) | ||
1120 | reg |= 0xF << CCM_CCSR_CLKOSEL_OFFSET; | ||
1121 | else if (parent == &nfc_clk) | ||
1122 | reg |= 0x10 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1123 | else if (parent == &usb_clk[0]) | ||
1124 | reg |= 0x14 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1125 | else if (parent == &clko_clk) | ||
1126 | reg |= 0x15 << CCM_CCSR_CLKOSEL_OFFSET; | ||
1127 | else | ||
1128 | return -EINVAL; | ||
1129 | |||
1130 | __raw_writel(reg, CCM_CCSR); | ||
1131 | |||
1132 | return 0; | ||
1133 | } | ||
1134 | |||
1135 | static struct clk clko_clk = { | ||
1136 | .get_rate = _clk_clko_recalc, | ||
1137 | .set_rate = _clk_clko_set_rate, | ||
1138 | .round_rate = _clk_clko_round_rate, | ||
1139 | .set_parent = _clk_clko_set_parent, | ||
1140 | }; | ||
1141 | |||
1142 | |||
1143 | #define _REGISTER_CLOCK(d, n, c) \ | ||
1144 | { \ | ||
1145 | .dev_id = d, \ | ||
1146 | .con_id = n, \ | ||
1147 | .clk = &c, \ | ||
1148 | }, | ||
1149 | static struct clk_lookup lookups[] = { | ||
1150 | /* It's unlikely that any driver wants one of them directly: | ||
1151 | _REGISTER_CLOCK(NULL, "ckih", ckih_clk) | ||
1152 | _REGISTER_CLOCK(NULL, "ckil", ckil_clk) | ||
1153 | _REGISTER_CLOCK(NULL, "fpm", fpm_clk) | ||
1154 | _REGISTER_CLOCK(NULL, "mpll", mpll_clk) | ||
1155 | _REGISTER_CLOCK(NULL, "spll", spll_clk) | ||
1156 | _REGISTER_CLOCK(NULL, "fclk", fclk_clk) | ||
1157 | _REGISTER_CLOCK(NULL, "hclk", hclk_clk) | ||
1158 | _REGISTER_CLOCK(NULL, "ipg", ipg_clk) | ||
1159 | */ | ||
1160 | _REGISTER_CLOCK(NULL, "perclk1", per_clk[0]) | ||
1161 | _REGISTER_CLOCK(NULL, "perclk2", per_clk[1]) | ||
1162 | _REGISTER_CLOCK(NULL, "perclk3", per_clk[2]) | ||
1163 | _REGISTER_CLOCK(NULL, "perclk4", per_clk[3]) | ||
1164 | _REGISTER_CLOCK(NULL, "clko", clko_clk) | ||
1165 | _REGISTER_CLOCK("imx-uart.0", NULL, uart_clk[0]) | ||
1166 | _REGISTER_CLOCK("imx-uart.1", NULL, uart_clk[1]) | ||
1167 | _REGISTER_CLOCK("imx-uart.2", NULL, uart_clk[2]) | ||
1168 | _REGISTER_CLOCK("imx-uart.3", NULL, uart_clk[3]) | ||
1169 | _REGISTER_CLOCK(NULL, "gpt1", gpt_clk[0]) | ||
1170 | _REGISTER_CLOCK(NULL, "gpt1", gpt_clk[1]) | ||
1171 | _REGISTER_CLOCK(NULL, "gpt1", gpt_clk[2]) | ||
1172 | _REGISTER_CLOCK(NULL, "pwm", pwm_clk[0]) | ||
1173 | _REGISTER_CLOCK(NULL, "sdhc1", sdhc_clk[0]) | ||
1174 | _REGISTER_CLOCK(NULL, "sdhc2", sdhc_clk[1]) | ||
1175 | _REGISTER_CLOCK(NULL, "cspi1", cspi_clk[0]) | ||
1176 | _REGISTER_CLOCK(NULL, "cspi2", cspi_clk[1]) | ||
1177 | _REGISTER_CLOCK(NULL, "cspi3", cspi_clk[2]) | ||
1178 | _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk[0]) | ||
1179 | _REGISTER_CLOCK(NULL, "csi", csi_clk[0]) | ||
1180 | _REGISTER_CLOCK("imx21-hcd.0", NULL, usb_clk[0]) | ||
1181 | _REGISTER_CLOCK(NULL, "ssi1", ssi_clk[0]) | ||
1182 | _REGISTER_CLOCK(NULL, "ssi2", ssi_clk[1]) | ||
1183 | _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) | ||
1184 | _REGISTER_CLOCK(NULL, "dma", dma_clk[0]) | ||
1185 | _REGISTER_CLOCK(NULL, "brom", brom_clk) | ||
1186 | _REGISTER_CLOCK(NULL, "emma", emma_clk[0]) | ||
1187 | _REGISTER_CLOCK(NULL, "slcdc", slcdc_clk[0]) | ||
1188 | _REGISTER_CLOCK("imx-wdt.0", NULL, wdog_clk) | ||
1189 | _REGISTER_CLOCK(NULL, "gpio", gpio_clk) | ||
1190 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk) | ||
1191 | _REGISTER_CLOCK("mxc-keypad", NULL, kpp_clk) | ||
1192 | _REGISTER_CLOCK(NULL, "owire", owire_clk) | ||
1193 | _REGISTER_CLOCK(NULL, "rtc", rtc_clk) | ||
1194 | }; | ||
1195 | |||
1196 | /* | ||
1197 | * must be called very early to get information about the | ||
1198 | * available clock rate when the timer framework starts | ||
1199 | */ | ||
1200 | int __init mx21_clocks_init(unsigned long lref, unsigned long href) | ||
1201 | { | ||
1202 | u32 cscr; | ||
1203 | |||
1204 | external_low_reference = lref; | ||
1205 | external_high_reference = href; | ||
1206 | |||
1207 | /* detect clock reference for both system PLL */ | ||
1208 | cscr = CSCR(); | ||
1209 | if (cscr & CCM_CSCR_MCU) | ||
1210 | mpll_clk.parent = &ckih_clk; | ||
1211 | else | ||
1212 | mpll_clk.parent = &fpm_clk; | ||
1213 | |||
1214 | if (cscr & CCM_CSCR_SP) | ||
1215 | spll_clk.parent = &ckih_clk; | ||
1216 | else | ||
1217 | spll_clk.parent = &fpm_clk; | ||
1218 | |||
1219 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
1220 | |||
1221 | /* Turn off all clock gates */ | ||
1222 | __raw_writel(0, CCM_PCCR0); | ||
1223 | __raw_writel(CCM_PCCR_GPT1_MASK, CCM_PCCR1); | ||
1224 | |||
1225 | /* This turns of the serial PLL as well */ | ||
1226 | spll_clk.disable(&spll_clk); | ||
1227 | |||
1228 | /* This will propagate to all children and init all the clock rates. */ | ||
1229 | clk_enable(&per_clk[0]); | ||
1230 | clk_enable(&gpio_clk); | ||
1231 | |||
1232 | #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC) | ||
1233 | clk_enable(&uart_clk[0]); | ||
1234 | #endif | ||
1235 | |||
1236 | mxc_timer_init(&gpt_clk[0], MX21_IO_ADDRESS(MX21_GPT1_BASE_ADDR), | ||
1237 | MX21_INT_GPT1); | ||
1238 | return 0; | ||
1239 | } | ||
diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c new file mode 100644 index 000000000000..5a1aa15c8a16 --- /dev/null +++ b/arch/arm/mach-imx/clock-imx27.c | |||
@@ -0,0 +1,763 @@ | |||
1 | /* | ||
2 | * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
4 | * Copyright 2008 Martin Fuzzey, mfuzzey@gmail.com | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
18 | * MA 02110-1301, USA. | ||
19 | */ | ||
20 | |||
21 | #include <linux/clk.h> | ||
22 | #include <linux/io.h> | ||
23 | #include <linux/module.h> | ||
24 | |||
25 | #include <asm/clkdev.h> | ||
26 | #include <asm/div64.h> | ||
27 | |||
28 | #include <mach/clock.h> | ||
29 | #include <mach/common.h> | ||
30 | #include <mach/hardware.h> | ||
31 | |||
32 | #define IO_ADDR_CCM(off) (MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR + (off))) | ||
33 | |||
34 | /* Register offsets */ | ||
35 | #define CCM_CSCR IO_ADDR_CCM(0x0) | ||
36 | #define CCM_MPCTL0 IO_ADDR_CCM(0x4) | ||
37 | #define CCM_MPCTL1 IO_ADDR_CCM(0x8) | ||
38 | #define CCM_SPCTL0 IO_ADDR_CCM(0xc) | ||
39 | #define CCM_SPCTL1 IO_ADDR_CCM(0x10) | ||
40 | #define CCM_OSC26MCTL IO_ADDR_CCM(0x14) | ||
41 | #define CCM_PCDR0 IO_ADDR_CCM(0x18) | ||
42 | #define CCM_PCDR1 IO_ADDR_CCM(0x1c) | ||
43 | #define CCM_PCCR0 IO_ADDR_CCM(0x20) | ||
44 | #define CCM_PCCR1 IO_ADDR_CCM(0x24) | ||
45 | #define CCM_CCSR IO_ADDR_CCM(0x28) | ||
46 | #define CCM_PMCTL IO_ADDR_CCM(0x2c) | ||
47 | #define CCM_PMCOUNT IO_ADDR_CCM(0x30) | ||
48 | #define CCM_WKGDCTL IO_ADDR_CCM(0x34) | ||
49 | |||
50 | #define CCM_CSCR_UPDATE_DIS (1 << 31) | ||
51 | #define CCM_CSCR_SSI2 (1 << 23) | ||
52 | #define CCM_CSCR_SSI1 (1 << 22) | ||
53 | #define CCM_CSCR_VPU (1 << 21) | ||
54 | #define CCM_CSCR_MSHC (1 << 20) | ||
55 | #define CCM_CSCR_SPLLRES (1 << 19) | ||
56 | #define CCM_CSCR_MPLLRES (1 << 18) | ||
57 | #define CCM_CSCR_SP (1 << 17) | ||
58 | #define CCM_CSCR_MCU (1 << 16) | ||
59 | #define CCM_CSCR_OSC26MDIV (1 << 4) | ||
60 | #define CCM_CSCR_OSC26M (1 << 3) | ||
61 | #define CCM_CSCR_FPM (1 << 2) | ||
62 | #define CCM_CSCR_SPEN (1 << 1) | ||
63 | #define CCM_CSCR_MPEN (1 << 0) | ||
64 | |||
65 | /* i.MX27 TO 2+ */ | ||
66 | #define CCM_CSCR_ARM_SRC (1 << 15) | ||
67 | |||
68 | #define CCM_SPCTL1_LF (1 << 15) | ||
69 | #define CCM_SPCTL1_BRMO (1 << 6) | ||
70 | |||
71 | static struct clk mpll_main1_clk, mpll_main2_clk; | ||
72 | |||
73 | static int clk_pccr_enable(struct clk *clk) | ||
74 | { | ||
75 | unsigned long reg; | ||
76 | |||
77 | if (!clk->enable_reg) | ||
78 | return 0; | ||
79 | |||
80 | reg = __raw_readl(clk->enable_reg); | ||
81 | reg |= 1 << clk->enable_shift; | ||
82 | __raw_writel(reg, clk->enable_reg); | ||
83 | |||
84 | return 0; | ||
85 | } | ||
86 | |||
87 | static void clk_pccr_disable(struct clk *clk) | ||
88 | { | ||
89 | unsigned long reg; | ||
90 | |||
91 | if (!clk->enable_reg) | ||
92 | return; | ||
93 | |||
94 | reg = __raw_readl(clk->enable_reg); | ||
95 | reg &= ~(1 << clk->enable_shift); | ||
96 | __raw_writel(reg, clk->enable_reg); | ||
97 | } | ||
98 | |||
99 | static int clk_spll_enable(struct clk *clk) | ||
100 | { | ||
101 | unsigned long reg; | ||
102 | |||
103 | reg = __raw_readl(CCM_CSCR); | ||
104 | reg |= CCM_CSCR_SPEN; | ||
105 | __raw_writel(reg, CCM_CSCR); | ||
106 | |||
107 | while (!(__raw_readl(CCM_SPCTL1) & CCM_SPCTL1_LF)); | ||
108 | |||
109 | return 0; | ||
110 | } | ||
111 | |||
112 | static void clk_spll_disable(struct clk *clk) | ||
113 | { | ||
114 | unsigned long reg; | ||
115 | |||
116 | reg = __raw_readl(CCM_CSCR); | ||
117 | reg &= ~CCM_CSCR_SPEN; | ||
118 | __raw_writel(reg, CCM_CSCR); | ||
119 | } | ||
120 | |||
121 | static int clk_cpu_set_parent(struct clk *clk, struct clk *parent) | ||
122 | { | ||
123 | int cscr = __raw_readl(CCM_CSCR); | ||
124 | |||
125 | if (clk->parent == parent) | ||
126 | return 0; | ||
127 | |||
128 | if (mx27_revision() >= CHIP_REV_2_0) { | ||
129 | if (parent == &mpll_main1_clk) { | ||
130 | cscr |= CCM_CSCR_ARM_SRC; | ||
131 | } else { | ||
132 | if (parent == &mpll_main2_clk) | ||
133 | cscr &= ~CCM_CSCR_ARM_SRC; | ||
134 | else | ||
135 | return -EINVAL; | ||
136 | } | ||
137 | __raw_writel(cscr, CCM_CSCR); | ||
138 | clk->parent = parent; | ||
139 | return 0; | ||
140 | } | ||
141 | return -ENODEV; | ||
142 | } | ||
143 | |||
144 | static unsigned long round_rate_cpu(struct clk *clk, unsigned long rate) | ||
145 | { | ||
146 | int div; | ||
147 | unsigned long parent_rate; | ||
148 | |||
149 | parent_rate = clk_get_rate(clk->parent); | ||
150 | |||
151 | div = parent_rate / rate; | ||
152 | if (parent_rate % rate) | ||
153 | div++; | ||
154 | |||
155 | if (div > 4) | ||
156 | div = 4; | ||
157 | |||
158 | return parent_rate / div; | ||
159 | } | ||
160 | |||
161 | static int set_rate_cpu(struct clk *clk, unsigned long rate) | ||
162 | { | ||
163 | unsigned int div; | ||
164 | uint32_t reg; | ||
165 | unsigned long parent_rate; | ||
166 | |||
167 | parent_rate = clk_get_rate(clk->parent); | ||
168 | |||
169 | div = parent_rate / rate; | ||
170 | |||
171 | if (div > 4 || div < 1 || ((parent_rate / div) != rate)) | ||
172 | return -EINVAL; | ||
173 | |||
174 | div--; | ||
175 | |||
176 | reg = __raw_readl(CCM_CSCR); | ||
177 | if (mx27_revision() >= CHIP_REV_2_0) { | ||
178 | reg &= ~(3 << 12); | ||
179 | reg |= div << 12; | ||
180 | reg &= ~(CCM_CSCR_FPM | CCM_CSCR_SPEN); | ||
181 | __raw_writel(reg | CCM_CSCR_UPDATE_DIS, CCM_CSCR); | ||
182 | } else { | ||
183 | printk(KERN_ERR "Can't set CPU frequency!\n"); | ||
184 | } | ||
185 | |||
186 | return 0; | ||
187 | } | ||
188 | |||
189 | static unsigned long round_rate_per(struct clk *clk, unsigned long rate) | ||
190 | { | ||
191 | u32 div; | ||
192 | unsigned long parent_rate; | ||
193 | |||
194 | parent_rate = clk_get_rate(clk->parent); | ||
195 | |||
196 | div = parent_rate / rate; | ||
197 | if (parent_rate % rate) | ||
198 | div++; | ||
199 | |||
200 | if (div > 64) | ||
201 | div = 64; | ||
202 | |||
203 | return parent_rate / div; | ||
204 | } | ||
205 | |||
206 | static int set_rate_per(struct clk *clk, unsigned long rate) | ||
207 | { | ||
208 | u32 reg; | ||
209 | u32 div; | ||
210 | unsigned long parent_rate; | ||
211 | |||
212 | parent_rate = clk_get_rate(clk->parent); | ||
213 | |||
214 | if (clk->id < 0 || clk->id > 3) | ||
215 | return -EINVAL; | ||
216 | |||
217 | div = parent_rate / rate; | ||
218 | if (div > 64 || div < 1 || ((parent_rate / div) != rate)) | ||
219 | return -EINVAL; | ||
220 | div--; | ||
221 | |||
222 | reg = __raw_readl(CCM_PCDR1) & ~(0x3f << (clk->id << 3)); | ||
223 | reg |= div << (clk->id << 3); | ||
224 | __raw_writel(reg, CCM_PCDR1); | ||
225 | |||
226 | return 0; | ||
227 | } | ||
228 | |||
229 | static unsigned long get_rate_usb(struct clk *clk) | ||
230 | { | ||
231 | unsigned long usb_pdf; | ||
232 | unsigned long parent_rate; | ||
233 | |||
234 | parent_rate = clk_get_rate(clk->parent); | ||
235 | |||
236 | usb_pdf = (__raw_readl(CCM_CSCR) >> 28) & 0x7; | ||
237 | |||
238 | return parent_rate / (usb_pdf + 1U); | ||
239 | } | ||
240 | |||
241 | static unsigned long get_rate_ssix(struct clk *clk, unsigned long pdf) | ||
242 | { | ||
243 | unsigned long parent_rate; | ||
244 | |||
245 | parent_rate = clk_get_rate(clk->parent); | ||
246 | |||
247 | if (mx27_revision() >= CHIP_REV_2_0) | ||
248 | pdf += 4; /* MX27 TO2+ */ | ||
249 | else | ||
250 | pdf = (pdf < 2) ? 124UL : pdf; /* MX21 & MX27 TO1 */ | ||
251 | |||
252 | return 2UL * parent_rate / pdf; | ||
253 | } | ||
254 | |||
255 | static unsigned long get_rate_ssi1(struct clk *clk) | ||
256 | { | ||
257 | return get_rate_ssix(clk, (__raw_readl(CCM_PCDR0) >> 16) & 0x3f); | ||
258 | } | ||
259 | |||
260 | static unsigned long get_rate_ssi2(struct clk *clk) | ||
261 | { | ||
262 | return get_rate_ssix(clk, (__raw_readl(CCM_PCDR0) >> 26) & 0x3f); | ||
263 | } | ||
264 | |||
265 | static unsigned long get_rate_nfc(struct clk *clk) | ||
266 | { | ||
267 | unsigned long nfc_pdf; | ||
268 | unsigned long parent_rate; | ||
269 | |||
270 | parent_rate = clk_get_rate(clk->parent); | ||
271 | |||
272 | if (mx27_revision() >= CHIP_REV_2_0) | ||
273 | nfc_pdf = (__raw_readl(CCM_PCDR0) >> 6) & 0xf; | ||
274 | else | ||
275 | nfc_pdf = (__raw_readl(CCM_PCDR0) >> 12) & 0xf; | ||
276 | |||
277 | return parent_rate / (nfc_pdf + 1); | ||
278 | } | ||
279 | |||
280 | static unsigned long get_rate_vpu(struct clk *clk) | ||
281 | { | ||
282 | unsigned long vpu_pdf; | ||
283 | unsigned long parent_rate; | ||
284 | |||
285 | parent_rate = clk_get_rate(clk->parent); | ||
286 | |||
287 | if (mx27_revision() >= CHIP_REV_2_0) { | ||
288 | vpu_pdf = (__raw_readl(CCM_PCDR0) >> 10) & 0x3f; | ||
289 | vpu_pdf += 4; | ||
290 | } else { | ||
291 | vpu_pdf = (__raw_readl(CCM_PCDR0) >> 8) & 0xf; | ||
292 | vpu_pdf = (vpu_pdf < 2) ? 124 : vpu_pdf; | ||
293 | } | ||
294 | |||
295 | return 2UL * parent_rate / vpu_pdf; | ||
296 | } | ||
297 | |||
298 | static unsigned long round_rate_parent(struct clk *clk, unsigned long rate) | ||
299 | { | ||
300 | return clk->parent->round_rate(clk->parent, rate); | ||
301 | } | ||
302 | |||
303 | static unsigned long get_rate_parent(struct clk *clk) | ||
304 | { | ||
305 | return clk_get_rate(clk->parent); | ||
306 | } | ||
307 | |||
308 | static int set_rate_parent(struct clk *clk, unsigned long rate) | ||
309 | { | ||
310 | return clk->parent->set_rate(clk->parent, rate); | ||
311 | } | ||
312 | |||
313 | /* in Hz */ | ||
314 | static unsigned long external_high_reference = 26000000; | ||
315 | |||
316 | static unsigned long get_rate_high_reference(struct clk *clk) | ||
317 | { | ||
318 | return external_high_reference; | ||
319 | } | ||
320 | |||
321 | /* in Hz */ | ||
322 | static unsigned long external_low_reference = 32768; | ||
323 | |||
324 | static unsigned long get_rate_low_reference(struct clk *clk) | ||
325 | { | ||
326 | return external_low_reference; | ||
327 | } | ||
328 | |||
329 | static unsigned long get_rate_fpm(struct clk *clk) | ||
330 | { | ||
331 | return clk_get_rate(clk->parent) * 1024; | ||
332 | } | ||
333 | |||
334 | static unsigned long get_rate_mpll(struct clk *clk) | ||
335 | { | ||
336 | return mxc_decode_pll(__raw_readl(CCM_MPCTL0), | ||
337 | clk_get_rate(clk->parent)); | ||
338 | } | ||
339 | |||
340 | static unsigned long get_rate_mpll_main(struct clk *clk) | ||
341 | { | ||
342 | unsigned long parent_rate; | ||
343 | |||
344 | parent_rate = clk_get_rate(clk->parent); | ||
345 | |||
346 | /* i.MX27 TO2: | ||
347 | * clk->id == 0: arm clock source path 1 which is from 2 * MPLL / 2 | ||
348 | * clk->id == 1: arm clock source path 2 which is from 2 * MPLL / 3 | ||
349 | */ | ||
350 | if (mx27_revision() >= CHIP_REV_2_0 && clk->id == 1) | ||
351 | return 2UL * parent_rate / 3UL; | ||
352 | |||
353 | return parent_rate; | ||
354 | } | ||
355 | |||
356 | static unsigned long get_rate_spll(struct clk *clk) | ||
357 | { | ||
358 | uint32_t reg; | ||
359 | unsigned long rate; | ||
360 | |||
361 | rate = clk_get_rate(clk->parent); | ||
362 | |||
363 | reg = __raw_readl(CCM_SPCTL0); | ||
364 | |||
365 | /* On TO2 we have to write the value back. Otherwise we | ||
366 | * read 0 from this register the next time. | ||
367 | */ | ||
368 | if (mx27_revision() >= CHIP_REV_2_0) | ||
369 | __raw_writel(reg, CCM_SPCTL0); | ||
370 | |||
371 | return mxc_decode_pll(reg, rate); | ||
372 | } | ||
373 | |||
374 | static unsigned long get_rate_cpu(struct clk *clk) | ||
375 | { | ||
376 | u32 div; | ||
377 | unsigned long rate; | ||
378 | |||
379 | if (mx27_revision() >= CHIP_REV_2_0) | ||
380 | div = (__raw_readl(CCM_CSCR) >> 12) & 0x3; | ||
381 | else | ||
382 | div = (__raw_readl(CCM_CSCR) >> 13) & 0x7; | ||
383 | |||
384 | rate = clk_get_rate(clk->parent); | ||
385 | return rate / (div + 1); | ||
386 | } | ||
387 | |||
388 | static unsigned long get_rate_ahb(struct clk *clk) | ||
389 | { | ||
390 | unsigned long rate, bclk_pdf; | ||
391 | |||
392 | if (mx27_revision() >= CHIP_REV_2_0) | ||
393 | bclk_pdf = (__raw_readl(CCM_CSCR) >> 8) & 0x3; | ||
394 | else | ||
395 | bclk_pdf = (__raw_readl(CCM_CSCR) >> 9) & 0xf; | ||
396 | |||
397 | rate = clk_get_rate(clk->parent); | ||
398 | return rate / (bclk_pdf + 1); | ||
399 | } | ||
400 | |||
401 | static unsigned long get_rate_ipg(struct clk *clk) | ||
402 | { | ||
403 | unsigned long rate, ipg_pdf; | ||
404 | |||
405 | if (mx27_revision() >= CHIP_REV_2_0) | ||
406 | return clk_get_rate(clk->parent); | ||
407 | else | ||
408 | ipg_pdf = (__raw_readl(CCM_CSCR) >> 8) & 1; | ||
409 | |||
410 | rate = clk_get_rate(clk->parent); | ||
411 | return rate / (ipg_pdf + 1); | ||
412 | } | ||
413 | |||
414 | static unsigned long get_rate_per(struct clk *clk) | ||
415 | { | ||
416 | unsigned long perclk_pdf, parent_rate; | ||
417 | |||
418 | parent_rate = clk_get_rate(clk->parent); | ||
419 | |||
420 | if (clk->id < 0 || clk->id > 3) | ||
421 | return 0; | ||
422 | |||
423 | perclk_pdf = (__raw_readl(CCM_PCDR1) >> (clk->id << 3)) & 0x3f; | ||
424 | |||
425 | return parent_rate / (perclk_pdf + 1); | ||
426 | } | ||
427 | |||
428 | /* | ||
429 | * the high frequency external clock reference | ||
430 | * Default case is 26MHz. Could be changed at runtime | ||
431 | * with a call to change_external_high_reference() | ||
432 | */ | ||
433 | static struct clk ckih_clk = { | ||
434 | .get_rate = get_rate_high_reference, | ||
435 | }; | ||
436 | |||
437 | static struct clk mpll_clk = { | ||
438 | .parent = &ckih_clk, | ||
439 | .get_rate = get_rate_mpll, | ||
440 | }; | ||
441 | |||
442 | /* For i.MX27 TO2, it is the MPLL path 1 of ARM core | ||
443 | * It provides the clock source whose rate is same as MPLL | ||
444 | */ | ||
445 | static struct clk mpll_main1_clk = { | ||
446 | .id = 0, | ||
447 | .parent = &mpll_clk, | ||
448 | .get_rate = get_rate_mpll_main, | ||
449 | }; | ||
450 | |||
451 | /* For i.MX27 TO2, it is the MPLL path 2 of ARM core | ||
452 | * It provides the clock source whose rate is same MPLL * 2 / 3 | ||
453 | */ | ||
454 | static struct clk mpll_main2_clk = { | ||
455 | .id = 1, | ||
456 | .parent = &mpll_clk, | ||
457 | .get_rate = get_rate_mpll_main, | ||
458 | }; | ||
459 | |||
460 | static struct clk ahb_clk = { | ||
461 | .parent = &mpll_main2_clk, | ||
462 | .get_rate = get_rate_ahb, | ||
463 | }; | ||
464 | |||
465 | static struct clk ipg_clk = { | ||
466 | .parent = &ahb_clk, | ||
467 | .get_rate = get_rate_ipg, | ||
468 | }; | ||
469 | |||
470 | static struct clk cpu_clk = { | ||
471 | .parent = &mpll_main2_clk, | ||
472 | .set_parent = clk_cpu_set_parent, | ||
473 | .round_rate = round_rate_cpu, | ||
474 | .get_rate = get_rate_cpu, | ||
475 | .set_rate = set_rate_cpu, | ||
476 | }; | ||
477 | |||
478 | static struct clk spll_clk = { | ||
479 | .parent = &ckih_clk, | ||
480 | .get_rate = get_rate_spll, | ||
481 | .enable = clk_spll_enable, | ||
482 | .disable = clk_spll_disable, | ||
483 | }; | ||
484 | |||
485 | /* | ||
486 | * the low frequency external clock reference | ||
487 | * Default case is 32.768kHz. | ||
488 | */ | ||
489 | static struct clk ckil_clk = { | ||
490 | .get_rate = get_rate_low_reference, | ||
491 | }; | ||
492 | |||
493 | /* Output of frequency pre multiplier */ | ||
494 | static struct clk fpm_clk = { | ||
495 | .parent = &ckil_clk, | ||
496 | .get_rate = get_rate_fpm, | ||
497 | }; | ||
498 | |||
499 | #define PCCR0 CCM_PCCR0 | ||
500 | #define PCCR1 CCM_PCCR1 | ||
501 | |||
502 | #define DEFINE_CLOCK(name, i, er, es, gr, s, p) \ | ||
503 | static struct clk name = { \ | ||
504 | .id = i, \ | ||
505 | .enable_reg = er, \ | ||
506 | .enable_shift = es, \ | ||
507 | .get_rate = gr, \ | ||
508 | .enable = clk_pccr_enable, \ | ||
509 | .disable = clk_pccr_disable, \ | ||
510 | .secondary = s, \ | ||
511 | .parent = p, \ | ||
512 | } | ||
513 | |||
514 | #define DEFINE_CLOCK1(name, i, er, es, getsetround, s, p) \ | ||
515 | static struct clk name = { \ | ||
516 | .id = i, \ | ||
517 | .enable_reg = er, \ | ||
518 | .enable_shift = es, \ | ||
519 | .get_rate = get_rate_##getsetround, \ | ||
520 | .set_rate = set_rate_##getsetround, \ | ||
521 | .round_rate = round_rate_##getsetround, \ | ||
522 | .enable = clk_pccr_enable, \ | ||
523 | .disable = clk_pccr_disable, \ | ||
524 | .secondary = s, \ | ||
525 | .parent = p, \ | ||
526 | } | ||
527 | |||
528 | /* Forward declaration to keep the following list in order */ | ||
529 | static struct clk slcdc_clk1, sahara2_clk1, rtic_clk1, fec_clk1, emma_clk1, | ||
530 | dma_clk1, lcdc_clk2, vpu_clk1; | ||
531 | |||
532 | /* All clocks we can gate through PCCRx in the order of PCCRx bits */ | ||
533 | DEFINE_CLOCK(ssi2_clk1, 1, PCCR0, 0, NULL, NULL, &ipg_clk); | ||
534 | DEFINE_CLOCK(ssi1_clk1, 0, PCCR0, 1, NULL, NULL, &ipg_clk); | ||
535 | DEFINE_CLOCK(slcdc_clk, 0, PCCR0, 2, NULL, &slcdc_clk1, &ahb_clk); | ||
536 | DEFINE_CLOCK(sdhc3_clk1, 0, PCCR0, 3, NULL, NULL, &ipg_clk); | ||
537 | DEFINE_CLOCK(sdhc2_clk1, 0, PCCR0, 4, NULL, NULL, &ipg_clk); | ||
538 | DEFINE_CLOCK(sdhc1_clk1, 0, PCCR0, 5, NULL, NULL, &ipg_clk); | ||
539 | DEFINE_CLOCK(scc_clk, 0, PCCR0, 6, NULL, NULL, &ipg_clk); | ||
540 | DEFINE_CLOCK(sahara2_clk, 0, PCCR0, 7, NULL, &sahara2_clk1, &ahb_clk); | ||
541 | DEFINE_CLOCK(rtic_clk, 0, PCCR0, 8, NULL, &rtic_clk1, &ahb_clk); | ||
542 | DEFINE_CLOCK(rtc_clk, 0, PCCR0, 9, NULL, NULL, &ipg_clk); | ||
543 | DEFINE_CLOCK(pwm_clk1, 0, PCCR0, 11, NULL, NULL, &ipg_clk); | ||
544 | DEFINE_CLOCK(owire_clk, 0, PCCR0, 12, NULL, NULL, &ipg_clk); | ||
545 | DEFINE_CLOCK(mstick_clk1, 0, PCCR0, 13, NULL, NULL, &ipg_clk); | ||
546 | DEFINE_CLOCK(lcdc_clk1, 0, PCCR0, 14, NULL, &lcdc_clk2, &ipg_clk); | ||
547 | DEFINE_CLOCK(kpp_clk, 0, PCCR0, 15, NULL, NULL, &ipg_clk); | ||
548 | DEFINE_CLOCK(iim_clk, 0, PCCR0, 16, NULL, NULL, &ipg_clk); | ||
549 | DEFINE_CLOCK(i2c2_clk, 1, PCCR0, 17, NULL, NULL, &ipg_clk); | ||
550 | DEFINE_CLOCK(i2c1_clk, 0, PCCR0, 18, NULL, NULL, &ipg_clk); | ||
551 | DEFINE_CLOCK(gpt6_clk1, 0, PCCR0, 29, NULL, NULL, &ipg_clk); | ||
552 | DEFINE_CLOCK(gpt5_clk1, 0, PCCR0, 20, NULL, NULL, &ipg_clk); | ||
553 | DEFINE_CLOCK(gpt4_clk1, 0, PCCR0, 21, NULL, NULL, &ipg_clk); | ||
554 | DEFINE_CLOCK(gpt3_clk1, 0, PCCR0, 22, NULL, NULL, &ipg_clk); | ||
555 | DEFINE_CLOCK(gpt2_clk1, 0, PCCR0, 23, NULL, NULL, &ipg_clk); | ||
556 | DEFINE_CLOCK(gpt1_clk1, 0, PCCR0, 24, NULL, NULL, &ipg_clk); | ||
557 | DEFINE_CLOCK(gpio_clk, 0, PCCR0, 25, NULL, NULL, &ipg_clk); | ||
558 | DEFINE_CLOCK(fec_clk, 0, PCCR0, 26, NULL, &fec_clk1, &ahb_clk); | ||
559 | DEFINE_CLOCK(emma_clk, 0, PCCR0, 27, NULL, &emma_clk1, &ahb_clk); | ||
560 | DEFINE_CLOCK(dma_clk, 0, PCCR0, 28, NULL, &dma_clk1, &ahb_clk); | ||
561 | DEFINE_CLOCK(cspi13_clk1, 0, PCCR0, 29, NULL, NULL, &ipg_clk); | ||
562 | DEFINE_CLOCK(cspi2_clk1, 0, PCCR0, 30, NULL, NULL, &ipg_clk); | ||
563 | DEFINE_CLOCK(cspi1_clk1, 0, PCCR0, 31, NULL, NULL, &ipg_clk); | ||
564 | |||
565 | DEFINE_CLOCK(mstick_clk, 0, PCCR1, 2, NULL, &mstick_clk1, &ipg_clk); | ||
566 | DEFINE_CLOCK(nfc_clk, 0, PCCR1, 3, get_rate_nfc, NULL, &cpu_clk); | ||
567 | DEFINE_CLOCK(ssi2_clk, 1, PCCR1, 4, get_rate_ssi2, &ssi2_clk1, &mpll_main2_clk); | ||
568 | DEFINE_CLOCK(ssi1_clk, 0, PCCR1, 5, get_rate_ssi1, &ssi1_clk1, &mpll_main2_clk); | ||
569 | DEFINE_CLOCK(vpu_clk, 0, PCCR1, 6, get_rate_vpu, &vpu_clk1, &mpll_main2_clk); | ||
570 | DEFINE_CLOCK1(per4_clk, 3, PCCR1, 7, per, NULL, &mpll_main2_clk); | ||
571 | DEFINE_CLOCK1(per3_clk, 2, PCCR1, 8, per, NULL, &mpll_main2_clk); | ||
572 | DEFINE_CLOCK1(per2_clk, 1, PCCR1, 9, per, NULL, &mpll_main2_clk); | ||
573 | DEFINE_CLOCK1(per1_clk, 0, PCCR1, 10, per, NULL, &mpll_main2_clk); | ||
574 | DEFINE_CLOCK(usb_clk1, 0, PCCR1, 11, NULL, NULL, &ahb_clk); | ||
575 | DEFINE_CLOCK(slcdc_clk1, 0, PCCR1, 12, NULL, NULL, &ahb_clk); | ||
576 | DEFINE_CLOCK(sahara2_clk1, 0, PCCR1, 13, NULL, NULL, &ahb_clk); | ||
577 | DEFINE_CLOCK(rtic_clk1, 0, PCCR1, 14, NULL, NULL, &ahb_clk); | ||
578 | DEFINE_CLOCK(lcdc_clk2, 0, PCCR1, 15, NULL, NULL, &ahb_clk); | ||
579 | DEFINE_CLOCK(vpu_clk1, 0, PCCR1, 16, NULL, NULL, &ahb_clk); | ||
580 | DEFINE_CLOCK(fec_clk1, 0, PCCR1, 17, NULL, NULL, &ahb_clk); | ||
581 | DEFINE_CLOCK(emma_clk1, 0, PCCR1, 18, NULL, NULL, &ahb_clk); | ||
582 | DEFINE_CLOCK(emi_clk, 0, PCCR1, 19, NULL, NULL, &ahb_clk); | ||
583 | DEFINE_CLOCK(dma_clk1, 0, PCCR1, 20, NULL, NULL, &ahb_clk); | ||
584 | DEFINE_CLOCK(csi_clk1, 0, PCCR1, 21, NULL, NULL, &ahb_clk); | ||
585 | DEFINE_CLOCK(brom_clk, 0, PCCR1, 22, NULL, NULL, &ahb_clk); | ||
586 | DEFINE_CLOCK(ata_clk, 0, PCCR1, 23, NULL, NULL, &ahb_clk); | ||
587 | DEFINE_CLOCK(wdog_clk, 0, PCCR1, 24, NULL, NULL, &ipg_clk); | ||
588 | DEFINE_CLOCK(usb_clk, 0, PCCR1, 25, get_rate_usb, &usb_clk1, &spll_clk); | ||
589 | DEFINE_CLOCK(uart6_clk1, 0, PCCR1, 26, NULL, NULL, &ipg_clk); | ||
590 | DEFINE_CLOCK(uart5_clk1, 0, PCCR1, 27, NULL, NULL, &ipg_clk); | ||
591 | DEFINE_CLOCK(uart4_clk1, 0, PCCR1, 28, NULL, NULL, &ipg_clk); | ||
592 | DEFINE_CLOCK(uart3_clk1, 0, PCCR1, 29, NULL, NULL, &ipg_clk); | ||
593 | DEFINE_CLOCK(uart2_clk1, 0, PCCR1, 30, NULL, NULL, &ipg_clk); | ||
594 | DEFINE_CLOCK(uart1_clk1, 0, PCCR1, 31, NULL, NULL, &ipg_clk); | ||
595 | |||
596 | /* Clocks we cannot directly gate, but drivers need their rates */ | ||
597 | DEFINE_CLOCK(cspi1_clk, 0, 0, 0, NULL, &cspi1_clk1, &per2_clk); | ||
598 | DEFINE_CLOCK(cspi2_clk, 1, 0, 0, NULL, &cspi2_clk1, &per2_clk); | ||
599 | DEFINE_CLOCK(cspi3_clk, 2, 0, 0, NULL, &cspi13_clk1, &per2_clk); | ||
600 | DEFINE_CLOCK(sdhc1_clk, 0, 0, 0, NULL, &sdhc1_clk1, &per2_clk); | ||
601 | DEFINE_CLOCK(sdhc2_clk, 1, 0, 0, NULL, &sdhc2_clk1, &per2_clk); | ||
602 | DEFINE_CLOCK(sdhc3_clk, 2, 0, 0, NULL, &sdhc3_clk1, &per2_clk); | ||
603 | DEFINE_CLOCK(pwm_clk, 0, 0, 0, NULL, &pwm_clk1, &per1_clk); | ||
604 | DEFINE_CLOCK(gpt1_clk, 0, 0, 0, NULL, &gpt1_clk1, &per1_clk); | ||
605 | DEFINE_CLOCK(gpt2_clk, 1, 0, 0, NULL, &gpt2_clk1, &per1_clk); | ||
606 | DEFINE_CLOCK(gpt3_clk, 2, 0, 0, NULL, &gpt3_clk1, &per1_clk); | ||
607 | DEFINE_CLOCK(gpt4_clk, 3, 0, 0, NULL, &gpt4_clk1, &per1_clk); | ||
608 | DEFINE_CLOCK(gpt5_clk, 4, 0, 0, NULL, &gpt5_clk1, &per1_clk); | ||
609 | DEFINE_CLOCK(gpt6_clk, 5, 0, 0, NULL, &gpt6_clk1, &per1_clk); | ||
610 | DEFINE_CLOCK(uart1_clk, 0, 0, 0, NULL, &uart1_clk1, &per1_clk); | ||
611 | DEFINE_CLOCK(uart2_clk, 1, 0, 0, NULL, &uart2_clk1, &per1_clk); | ||
612 | DEFINE_CLOCK(uart3_clk, 2, 0, 0, NULL, &uart3_clk1, &per1_clk); | ||
613 | DEFINE_CLOCK(uart4_clk, 3, 0, 0, NULL, &uart4_clk1, &per1_clk); | ||
614 | DEFINE_CLOCK(uart5_clk, 4, 0, 0, NULL, &uart5_clk1, &per1_clk); | ||
615 | DEFINE_CLOCK(uart6_clk, 5, 0, 0, NULL, &uart6_clk1, &per1_clk); | ||
616 | DEFINE_CLOCK1(lcdc_clk, 0, 0, 0, parent, &lcdc_clk1, &per3_clk); | ||
617 | DEFINE_CLOCK1(csi_clk, 0, 0, 0, parent, &csi_clk1, &per4_clk); | ||
618 | |||
619 | #define _REGISTER_CLOCK(d, n, c) \ | ||
620 | { \ | ||
621 | .dev_id = d, \ | ||
622 | .con_id = n, \ | ||
623 | .clk = &c, \ | ||
624 | }, | ||
625 | |||
626 | static struct clk_lookup lookups[] = { | ||
627 | _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk) | ||
628 | _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk) | ||
629 | _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk) | ||
630 | _REGISTER_CLOCK("imx-uart.3", NULL, uart4_clk) | ||
631 | _REGISTER_CLOCK("imx-uart.4", NULL, uart5_clk) | ||
632 | _REGISTER_CLOCK("imx-uart.5", NULL, uart6_clk) | ||
633 | _REGISTER_CLOCK(NULL, "gpt1", gpt1_clk) | ||
634 | _REGISTER_CLOCK(NULL, "gpt2", gpt2_clk) | ||
635 | _REGISTER_CLOCK(NULL, "gpt3", gpt3_clk) | ||
636 | _REGISTER_CLOCK(NULL, "gpt4", gpt4_clk) | ||
637 | _REGISTER_CLOCK(NULL, "gpt5", gpt5_clk) | ||
638 | _REGISTER_CLOCK(NULL, "gpt6", gpt6_clk) | ||
639 | _REGISTER_CLOCK("mxc_pwm.0", NULL, pwm_clk) | ||
640 | _REGISTER_CLOCK("mxc-mmc.0", NULL, sdhc1_clk) | ||
641 | _REGISTER_CLOCK("mxc-mmc.1", NULL, sdhc2_clk) | ||
642 | _REGISTER_CLOCK("mxc-mmc.2", NULL, sdhc3_clk) | ||
643 | _REGISTER_CLOCK("spi_imx.0", NULL, cspi1_clk) | ||
644 | _REGISTER_CLOCK("spi_imx.1", NULL, cspi2_clk) | ||
645 | _REGISTER_CLOCK("spi_imx.2", NULL, cspi3_clk) | ||
646 | _REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk) | ||
647 | _REGISTER_CLOCK("mx2-camera.0", NULL, csi_clk) | ||
648 | _REGISTER_CLOCK("fsl-usb2-udc", "usb", usb_clk) | ||
649 | _REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usb_clk1) | ||
650 | _REGISTER_CLOCK("mxc-ehci.0", "usb", usb_clk) | ||
651 | _REGISTER_CLOCK("mxc-ehci.0", "usb_ahb", usb_clk1) | ||
652 | _REGISTER_CLOCK("mxc-ehci.1", "usb", usb_clk) | ||
653 | _REGISTER_CLOCK("mxc-ehci.1", "usb_ahb", usb_clk1) | ||
654 | _REGISTER_CLOCK("mxc-ehci.2", "usb", usb_clk) | ||
655 | _REGISTER_CLOCK("mxc-ehci.2", "usb_ahb", usb_clk1) | ||
656 | _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) | ||
657 | _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) | ||
658 | _REGISTER_CLOCK("mxc_nand.0", NULL, nfc_clk) | ||
659 | _REGISTER_CLOCK(NULL, "vpu", vpu_clk) | ||
660 | _REGISTER_CLOCK(NULL, "dma", dma_clk) | ||
661 | _REGISTER_CLOCK(NULL, "rtic", rtic_clk) | ||
662 | _REGISTER_CLOCK(NULL, "brom", brom_clk) | ||
663 | _REGISTER_CLOCK(NULL, "emma", emma_clk) | ||
664 | _REGISTER_CLOCK(NULL, "slcdc", slcdc_clk) | ||
665 | _REGISTER_CLOCK("fec.0", NULL, fec_clk) | ||
666 | _REGISTER_CLOCK(NULL, "emi", emi_clk) | ||
667 | _REGISTER_CLOCK(NULL, "sahara2", sahara2_clk) | ||
668 | _REGISTER_CLOCK(NULL, "ata", ata_clk) | ||
669 | _REGISTER_CLOCK(NULL, "mstick", mstick_clk) | ||
670 | _REGISTER_CLOCK("imx-wdt.0", NULL, wdog_clk) | ||
671 | _REGISTER_CLOCK(NULL, "gpio", gpio_clk) | ||
672 | _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) | ||
673 | _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) | ||
674 | _REGISTER_CLOCK(NULL, "iim", iim_clk) | ||
675 | _REGISTER_CLOCK(NULL, "kpp", kpp_clk) | ||
676 | _REGISTER_CLOCK("mxc_w1.0", NULL, owire_clk) | ||
677 | _REGISTER_CLOCK(NULL, "rtc", rtc_clk) | ||
678 | _REGISTER_CLOCK(NULL, "scc", scc_clk) | ||
679 | }; | ||
680 | |||
681 | /* Adjust the clock path for TO2 and later */ | ||
682 | static void __init to2_adjust_clocks(void) | ||
683 | { | ||
684 | unsigned long cscr = __raw_readl(CCM_CSCR); | ||
685 | |||
686 | if (mx27_revision() >= CHIP_REV_2_0) { | ||
687 | if (cscr & CCM_CSCR_ARM_SRC) | ||
688 | cpu_clk.parent = &mpll_main1_clk; | ||
689 | |||
690 | if (!(cscr & CCM_CSCR_SSI2)) | ||
691 | ssi1_clk.parent = &spll_clk; | ||
692 | |||
693 | if (!(cscr & CCM_CSCR_SSI1)) | ||
694 | ssi1_clk.parent = &spll_clk; | ||
695 | |||
696 | if (!(cscr & CCM_CSCR_VPU)) | ||
697 | vpu_clk.parent = &spll_clk; | ||
698 | } else { | ||
699 | cpu_clk.parent = &mpll_clk; | ||
700 | cpu_clk.set_parent = NULL; | ||
701 | cpu_clk.round_rate = NULL; | ||
702 | cpu_clk.set_rate = NULL; | ||
703 | ahb_clk.parent = &mpll_clk; | ||
704 | |||
705 | per1_clk.parent = &mpll_clk; | ||
706 | per2_clk.parent = &mpll_clk; | ||
707 | per3_clk.parent = &mpll_clk; | ||
708 | per4_clk.parent = &mpll_clk; | ||
709 | |||
710 | ssi1_clk.parent = &mpll_clk; | ||
711 | ssi2_clk.parent = &mpll_clk; | ||
712 | |||
713 | vpu_clk.parent = &mpll_clk; | ||
714 | } | ||
715 | } | ||
716 | |||
717 | /* | ||
718 | * must be called very early to get information about the | ||
719 | * available clock rate when the timer framework starts | ||
720 | */ | ||
721 | int __init mx27_clocks_init(unsigned long fref) | ||
722 | { | ||
723 | u32 cscr = __raw_readl(CCM_CSCR); | ||
724 | |||
725 | external_high_reference = fref; | ||
726 | |||
727 | /* detect clock reference for both system PLLs */ | ||
728 | if (cscr & CCM_CSCR_MCU) | ||
729 | mpll_clk.parent = &ckih_clk; | ||
730 | else | ||
731 | mpll_clk.parent = &fpm_clk; | ||
732 | |||
733 | if (cscr & CCM_CSCR_SP) | ||
734 | spll_clk.parent = &ckih_clk; | ||
735 | else | ||
736 | spll_clk.parent = &fpm_clk; | ||
737 | |||
738 | to2_adjust_clocks(); | ||
739 | |||
740 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
741 | |||
742 | /* Turn off all clocks we do not need */ | ||
743 | __raw_writel(0, CCM_PCCR0); | ||
744 | __raw_writel((1 << 10) | (1 << 19), CCM_PCCR1); | ||
745 | |||
746 | spll_clk.disable(&spll_clk); | ||
747 | |||
748 | /* enable basic clocks */ | ||
749 | clk_enable(&per1_clk); | ||
750 | clk_enable(&gpio_clk); | ||
751 | clk_enable(&emi_clk); | ||
752 | clk_enable(&iim_clk); | ||
753 | |||
754 | #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC) | ||
755 | clk_enable(&uart1_clk); | ||
756 | #endif | ||
757 | |||
758 | mxc_timer_init(&gpt1_clk, MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR), | ||
759 | MX27_INT_GPT1); | ||
760 | |||
761 | return 0; | ||
762 | } | ||
763 | |||
diff --git a/arch/arm/mach-imx/cpu-imx27.c b/arch/arm/mach-imx/cpu-imx27.c new file mode 100644 index 000000000000..d8d3b2d84dc5 --- /dev/null +++ b/arch/arm/mach-imx/cpu-imx27.c | |||
@@ -0,0 +1,64 @@ | |||
1 | /* | ||
2 | * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
17 | * MA 02110-1301, USA. | ||
18 | */ | ||
19 | |||
20 | /* | ||
21 | * i.MX27 specific CPU detection code | ||
22 | */ | ||
23 | |||
24 | #include <linux/io.h> | ||
25 | #include <linux/module.h> | ||
26 | |||
27 | #include <mach/hardware.h> | ||
28 | |||
29 | static int cpu_silicon_rev = -1; | ||
30 | static int cpu_partnumber; | ||
31 | |||
32 | #define SYS_CHIP_ID 0x00 /* The offset of CHIP ID register */ | ||
33 | |||
34 | static void query_silicon_parameter(void) | ||
35 | { | ||
36 | u32 val; | ||
37 | /* | ||
38 | * now we have access to the IO registers. As we need | ||
39 | * the silicon revision very early we read it here to | ||
40 | * avoid any further hooks | ||
41 | */ | ||
42 | val = __raw_readl(MX27_IO_ADDRESS(MX27_SYSCTRL_BASE_ADDR | ||
43 | + SYS_CHIP_ID)); | ||
44 | |||
45 | cpu_silicon_rev = (int)(val >> 28); | ||
46 | cpu_partnumber = (int)((val >> 12) & 0xFFFF); | ||
47 | } | ||
48 | |||
49 | /* | ||
50 | * Returns: | ||
51 | * the silicon revision of the cpu | ||
52 | * -EINVAL - not a mx27 | ||
53 | */ | ||
54 | int mx27_revision(void) | ||
55 | { | ||
56 | if (cpu_silicon_rev == -1) | ||
57 | query_silicon_parameter(); | ||
58 | |||
59 | if (cpu_partnumber != 0x8821) | ||
60 | return -EINVAL; | ||
61 | |||
62 | return cpu_silicon_rev; | ||
63 | } | ||
64 | EXPORT_SYMBOL(mx27_revision); | ||
diff --git a/arch/arm/mach-imx/devices-imx1.h b/arch/arm/mach-imx/devices-imx1.h new file mode 100644 index 000000000000..a8d94f078196 --- /dev/null +++ b/arch/arm/mach-imx/devices-imx1.h | |||
@@ -0,0 +1,18 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010 Pengutronix | ||
3 | * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify it under | ||
6 | * the terms of the GNU General Public License version 2 as published by the | ||
7 | * Free Software Foundation. | ||
8 | */ | ||
9 | #include <mach/mx1.h> | ||
10 | #include <mach/devices-common.h> | ||
11 | |||
12 | #define imx1_add_i2c_imx(pdata) \ | ||
13 | imx_add_imx_i2c(0, MX1_I2C_BASE_ADDR, SZ_4K, MX1_INT_I2C, pdata) | ||
14 | |||
15 | #define imx1_add_imx_uart0(pdata) \ | ||
16 | imx_add_imx_uart_3irq(0, MX1_UART1_BASE_ADDR, 0xd0, MX1_INT_UART1RX, MX1_INT_UART1TX, MX1_INT_UART1RTS, pdata) | ||
17 | #define imx1_add_imx_uart1(pdata) \ | ||
18 | imx_add_imx_uart_3irq(0, MX1_UART2_BASE_ADDR, 0xd0, MX1_INT_UART2RX, MX1_INT_UART2TX, MX1_INT_UART2RTS, pdata) | ||
diff --git a/arch/arm/mach-imx/devices-imx21.h b/arch/arm/mach-imx/devices-imx21.h new file mode 100644 index 000000000000..42788e99d127 --- /dev/null +++ b/arch/arm/mach-imx/devices-imx21.h | |||
@@ -0,0 +1,30 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010 Pengutronix | ||
3 | * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify it under | ||
6 | * the terms of the GNU General Public License version 2 as published by the | ||
7 | * Free Software Foundation. | ||
8 | */ | ||
9 | #include <mach/mx21.h> | ||
10 | #include <mach/devices-common.h> | ||
11 | |||
12 | #define imx21_add_i2c_imx(pdata) \ | ||
13 | imx_add_imx_i2c(0, MX2x_I2C_BASE_ADDR, SZ_4K, MX2x_INT_I2C, pdata) | ||
14 | |||
15 | #define imx21_add_imx_uart0(pdata) \ | ||
16 | imx_add_imx_uart_1irq(0, MX21_UART1_BASE_ADDR, SZ_4K, MX21_INT_UART1, pdata) | ||
17 | #define imx21_add_imx_uart1(pdata) \ | ||
18 | imx_add_imx_uart_1irq(1, MX21_UART2_BASE_ADDR, SZ_4K, MX21_INT_UART2, pdata) | ||
19 | #define imx21_add_imx_uart2(pdata) \ | ||
20 | imx_add_imx_uart_1irq(2, MX21_UART3_BASE_ADDR, SZ_4K, MX21_INT_UART3, pdata) | ||
21 | #define imx21_add_imx_uart3(pdata) \ | ||
22 | imx_add_imx_uart_1irq(3, MX21_UART4_BASE_ADDR, SZ_4K, MX21_INT_UART4, pdata) | ||
23 | |||
24 | #define imx21_add_mxc_nand(pdata) \ | ||
25 | imx_add_mxc_nand_v1(MX21_NFC_BASE_ADDR, MX21_INT_NANDFC, pdata) | ||
26 | |||
27 | #define imx21_add_spi_imx0(pdata) \ | ||
28 | imx_add_spi_imx(0, MX21_CSPI1_BASE_ADDR, SZ_4K, MX21_INT_CSPI1, pdata) | ||
29 | #define imx21_add_spi_imx1(pdata) \ | ||
30 | imx_add_spi_imx(1, MX21_CSPI2_BASE_ADDR, SZ_4K, MX21_INT_CSPI2, pdata) | ||
diff --git a/arch/arm/mach-imx/devices-imx27.h b/arch/arm/mach-imx/devices-imx27.h new file mode 100644 index 000000000000..65e7bb7ec2e8 --- /dev/null +++ b/arch/arm/mach-imx/devices-imx27.h | |||
@@ -0,0 +1,38 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010 Pengutronix | ||
3 | * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify it under | ||
6 | * the terms of the GNU General Public License version 2 as published by the | ||
7 | * Free Software Foundation. | ||
8 | */ | ||
9 | #include <mach/mx27.h> | ||
10 | #include <mach/devices-common.h> | ||
11 | |||
12 | #define imx27_add_i2c_imx0(pdata) \ | ||
13 | imx_add_imx_i2c(0, MX27_I2C1_BASE_ADDR, SZ_4K, MX27_INT_I2C1, pdata) | ||
14 | #define imx27_add_i2c_imx1(pdata) \ | ||
15 | imx_add_imx_i2c(1, MX27_I2C2_BASE_ADDR, SZ_4K, MX27_INT_I2C2, pdata) | ||
16 | |||
17 | #define imx27_add_imx_uart0(pdata) \ | ||
18 | imx_add_imx_uart_1irq(0, MX27_UART1_BASE_ADDR, SZ_4K, MX27_INT_UART1, pdata) | ||
19 | #define imx27_add_imx_uart1(pdata) \ | ||
20 | imx_add_imx_uart_1irq(1, MX27_UART2_BASE_ADDR, SZ_4K, MX27_INT_UART2, pdata) | ||
21 | #define imx27_add_imx_uart2(pdata) \ | ||
22 | imx_add_imx_uart_1irq(2, MX27_UART3_BASE_ADDR, SZ_4K, MX27_INT_UART3, pdata) | ||
23 | #define imx27_add_imx_uart3(pdata) \ | ||
24 | imx_add_imx_uart_1irq(3, MX27_UART4_BASE_ADDR, SZ_4K, MX27_INT_UART4, pdata) | ||
25 | #define imx27_add_imx_uart4(pdata) \ | ||
26 | imx_add_imx_uart_1irq(4, MX27_UART5_BASE_ADDR, SZ_4K, MX27_INT_UART5, pdata) | ||
27 | #define imx27_add_imx_uart5(pdata) \ | ||
28 | imx_add_imx_uart_1irq(5, MX27_UART6_BASE_ADDR, SZ_4K, MX27_INT_UART6, pdata) | ||
29 | |||
30 | #define imx27_add_mxc_nand(pdata) \ | ||
31 | imx_add_mxc_nand_v1(MX27_NFC_BASE_ADDR, MX27_INT_NANDFC, pdata) | ||
32 | |||
33 | #define imx27_add_spi_imx0(pdata) \ | ||
34 | imx_add_spi_imx(0, MX27_CSPI1_BASE_ADDR, SZ_4K, MX27_INT_CSPI1, pdata) | ||
35 | #define imx27_add_spi_imx1(pdata) \ | ||
36 | imx_add_spi_imx(1, MX27_CSPI2_BASE_ADDR, SZ_4K, MX27_INT_CSPI2, pdata) | ||
37 | #define imx27_add_spi_imx2(pdata) \ | ||
38 | imx_add_spi_imx(2, MX27_CSPI3_BASE_ADDR, SZ_4K, MX27_INT_CSPI3, pdata) | ||
diff --git a/arch/arm/mach-imx/devices.c b/arch/arm/mach-imx/devices.c new file mode 100644 index 000000000000..9c271a752b84 --- /dev/null +++ b/arch/arm/mach-imx/devices.c | |||
@@ -0,0 +1,609 @@ | |||
1 | /* | ||
2 | * Author: MontaVista Software, Inc. | ||
3 | * <source@mvista.com> | ||
4 | * | ||
5 | * Based on the OMAP devices.c | ||
6 | * | ||
7 | * 2005 (c) MontaVista Software, Inc. This file is licensed under the | ||
8 | * terms of the GNU General Public License version 2. This program is | ||
9 | * licensed "as is" without any warranty of any kind, whether express | ||
10 | * or implied. | ||
11 | * | ||
12 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
13 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
14 | * Copyright 2008 Sascha Hauer, kernel@pengutronix.de | ||
15 | * Copyright (c) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> | ||
16 | * Copyright (c) 2008 Darius Augulis <darius.augulis@teltonika.lt> | ||
17 | * | ||
18 | * This program is free software; you can redistribute it and/or | ||
19 | * modify it under the terms of the GNU General Public License | ||
20 | * as published by the Free Software Foundation; either version 2 | ||
21 | * of the License, or (at your option) any later version. | ||
22 | * This program is distributed in the hope that it will be useful, | ||
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
25 | * GNU General Public License for more details. | ||
26 | * | ||
27 | * You should have received a copy of the GNU General Public License | ||
28 | * along with this program; if not, write to the Free Software | ||
29 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
30 | * MA 02110-1301, USA. | ||
31 | */ | ||
32 | #include <linux/module.h> | ||
33 | #include <linux/kernel.h> | ||
34 | #include <linux/init.h> | ||
35 | #include <linux/platform_device.h> | ||
36 | #include <linux/gpio.h> | ||
37 | #include <linux/dma-mapping.h> | ||
38 | #include <linux/serial.h> | ||
39 | |||
40 | #include <mach/irqs.h> | ||
41 | #include <mach/hardware.h> | ||
42 | #include <mach/common.h> | ||
43 | #include <mach/mmc.h> | ||
44 | |||
45 | #include "devices.h" | ||
46 | |||
47 | #if defined(CONFIG_ARCH_MX1) | ||
48 | static struct resource imx1_camera_resources[] = { | ||
49 | { | ||
50 | .start = 0x00224000, | ||
51 | .end = 0x00224010, | ||
52 | .flags = IORESOURCE_MEM, | ||
53 | }, { | ||
54 | .start = MX1_CSI_INT, | ||
55 | .end = MX1_CSI_INT, | ||
56 | .flags = IORESOURCE_IRQ, | ||
57 | }, | ||
58 | }; | ||
59 | |||
60 | static u64 imx1_camera_dmamask = DMA_BIT_MASK(32); | ||
61 | |||
62 | struct platform_device imx1_camera_device = { | ||
63 | .name = "mx1-camera", | ||
64 | .id = 0, /* This is used to put cameras on this interface */ | ||
65 | .dev = { | ||
66 | .dma_mask = &imx1_camera_dmamask, | ||
67 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
68 | }, | ||
69 | .resource = imx1_camera_resources, | ||
70 | .num_resources = ARRAY_SIZE(imx1_camera_resources), | ||
71 | }; | ||
72 | |||
73 | static struct resource imx_rtc_resources[] = { | ||
74 | { | ||
75 | .start = 0x00204000, | ||
76 | .end = 0x00204024, | ||
77 | .flags = IORESOURCE_MEM, | ||
78 | }, { | ||
79 | .start = MX1_RTC_INT, | ||
80 | .end = MX1_RTC_INT, | ||
81 | .flags = IORESOURCE_IRQ, | ||
82 | }, { | ||
83 | .start = MX1_RTC_SAMINT, | ||
84 | .end = MX1_RTC_SAMINT, | ||
85 | .flags = IORESOURCE_IRQ, | ||
86 | }, | ||
87 | }; | ||
88 | |||
89 | struct platform_device imx_rtc_device = { | ||
90 | .name = "rtc-imx", | ||
91 | .id = 0, | ||
92 | .resource = imx_rtc_resources, | ||
93 | .num_resources = ARRAY_SIZE(imx_rtc_resources), | ||
94 | }; | ||
95 | |||
96 | static struct resource imx_wdt_resources[] = { | ||
97 | { | ||
98 | .start = 0x00201000, | ||
99 | .end = 0x00201008, | ||
100 | .flags = IORESOURCE_MEM, | ||
101 | }, { | ||
102 | .start = MX1_WDT_INT, | ||
103 | .end = MX1_WDT_INT, | ||
104 | .flags = IORESOURCE_IRQ, | ||
105 | }, | ||
106 | }; | ||
107 | |||
108 | struct platform_device imx_wdt_device = { | ||
109 | .name = "imx-wdt", | ||
110 | .id = 0, | ||
111 | .resource = imx_wdt_resources, | ||
112 | .num_resources = ARRAY_SIZE(imx_wdt_resources), | ||
113 | }; | ||
114 | |||
115 | static struct resource imx_usb_resources[] = { | ||
116 | { | ||
117 | .start = 0x00212000, | ||
118 | .end = 0x00212148, | ||
119 | .flags = IORESOURCE_MEM, | ||
120 | }, { | ||
121 | .start = MX1_USBD_INT0, | ||
122 | .end = MX1_USBD_INT0, | ||
123 | .flags = IORESOURCE_IRQ, | ||
124 | }, { | ||
125 | .start = MX1_USBD_INT1, | ||
126 | .end = MX1_USBD_INT1, | ||
127 | .flags = IORESOURCE_IRQ, | ||
128 | }, { | ||
129 | .start = MX1_USBD_INT2, | ||
130 | .end = MX1_USBD_INT2, | ||
131 | .flags = IORESOURCE_IRQ, | ||
132 | }, { | ||
133 | .start = MX1_USBD_INT3, | ||
134 | .end = MX1_USBD_INT3, | ||
135 | .flags = IORESOURCE_IRQ, | ||
136 | }, { | ||
137 | .start = MX1_USBD_INT4, | ||
138 | .end = MX1_USBD_INT4, | ||
139 | .flags = IORESOURCE_IRQ, | ||
140 | }, { | ||
141 | .start = MX1_USBD_INT5, | ||
142 | .end = MX1_USBD_INT5, | ||
143 | .flags = IORESOURCE_IRQ, | ||
144 | }, { | ||
145 | .start = MX1_USBD_INT6, | ||
146 | .end = MX1_USBD_INT6, | ||
147 | .flags = IORESOURCE_IRQ, | ||
148 | }, | ||
149 | }; | ||
150 | |||
151 | struct platform_device imx_usb_device = { | ||
152 | .name = "imx_udc", | ||
153 | .id = 0, | ||
154 | .num_resources = ARRAY_SIZE(imx_usb_resources), | ||
155 | .resource = imx_usb_resources, | ||
156 | }; | ||
157 | |||
158 | /* GPIO port description */ | ||
159 | static struct mxc_gpio_port imx_gpio_ports[] = { | ||
160 | { | ||
161 | .chip.label = "gpio-0", | ||
162 | .base = (void __iomem *)MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR), | ||
163 | .irq = MX1_GPIO_INT_PORTA, | ||
164 | .virtual_irq_start = MXC_GPIO_IRQ_START, | ||
165 | }, { | ||
166 | .chip.label = "gpio-1", | ||
167 | .base = (void __iomem *)MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR + 0x100), | ||
168 | .irq = MX1_GPIO_INT_PORTB, | ||
169 | .virtual_irq_start = MXC_GPIO_IRQ_START + 32, | ||
170 | }, { | ||
171 | .chip.label = "gpio-2", | ||
172 | .base = (void __iomem *)MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR + 0x200), | ||
173 | .irq = MX1_GPIO_INT_PORTC, | ||
174 | .virtual_irq_start = MXC_GPIO_IRQ_START + 64, | ||
175 | }, { | ||
176 | .chip.label = "gpio-3", | ||
177 | .base = (void __iomem *)MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR + 0x300), | ||
178 | .irq = MX1_GPIO_INT_PORTD, | ||
179 | .virtual_irq_start = MXC_GPIO_IRQ_START + 96, | ||
180 | } | ||
181 | }; | ||
182 | |||
183 | int __init imx1_register_gpios(void) | ||
184 | { | ||
185 | return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports)); | ||
186 | } | ||
187 | #endif | ||
188 | |||
189 | #if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27) | ||
190 | |||
191 | #ifdef CONFIG_MACH_MX27 | ||
192 | static struct resource mx27_camera_resources[] = { | ||
193 | { | ||
194 | .start = MX27_CSI_BASE_ADDR, | ||
195 | .end = MX27_CSI_BASE_ADDR + 0x1f, | ||
196 | .flags = IORESOURCE_MEM, | ||
197 | }, { | ||
198 | .start = MX27_EMMA_PRP_BASE_ADDR, | ||
199 | .end = MX27_EMMA_PRP_BASE_ADDR + 0x1f, | ||
200 | .flags = IORESOURCE_MEM, | ||
201 | }, { | ||
202 | .start = MX27_INT_CSI, | ||
203 | .end = MX27_INT_CSI, | ||
204 | .flags = IORESOURCE_IRQ, | ||
205 | },{ | ||
206 | .start = MX27_INT_EMMAPRP, | ||
207 | .end = MX27_INT_EMMAPRP, | ||
208 | .flags = IORESOURCE_IRQ, | ||
209 | }, | ||
210 | }; | ||
211 | struct platform_device mx27_camera_device = { | ||
212 | .name = "mx2-camera", | ||
213 | .id = 0, | ||
214 | .num_resources = ARRAY_SIZE(mx27_camera_resources), | ||
215 | .resource = mx27_camera_resources, | ||
216 | .dev = { | ||
217 | .coherent_dma_mask = 0xffffffff, | ||
218 | }, | ||
219 | }; | ||
220 | #endif | ||
221 | |||
222 | /* | ||
223 | * General Purpose Timer | ||
224 | * - i.MX21: 3 timers | ||
225 | * - i.MX27: 6 timers | ||
226 | */ | ||
227 | #define DEFINE_IMX_GPT_DEVICE(n, baseaddr, irq) \ | ||
228 | static struct resource timer ## n ##_resources[] = { \ | ||
229 | { \ | ||
230 | .start = baseaddr, \ | ||
231 | .end = baseaddr + SZ_4K - 1, \ | ||
232 | .flags = IORESOURCE_MEM, \ | ||
233 | }, { \ | ||
234 | .start = irq, \ | ||
235 | .end = irq, \ | ||
236 | .flags = IORESOURCE_IRQ, \ | ||
237 | } \ | ||
238 | }; \ | ||
239 | \ | ||
240 | struct platform_device mxc_gpt ## n = { \ | ||
241 | .name = "imx_gpt", \ | ||
242 | .id = n, \ | ||
243 | .num_resources = ARRAY_SIZE(timer ## n ## _resources), \ | ||
244 | .resource = timer ## n ## _resources, \ | ||
245 | } | ||
246 | |||
247 | /* We use gpt1 as system timer, so do not add a device for this one */ | ||
248 | DEFINE_IMX_GPT_DEVICE(1, MX2x_GPT2_BASE_ADDR, MX2x_INT_GPT2); | ||
249 | DEFINE_IMX_GPT_DEVICE(2, MX2x_GPT3_BASE_ADDR, MX2x_INT_GPT3); | ||
250 | |||
251 | #ifdef CONFIG_MACH_MX27 | ||
252 | DEFINE_IMX_GPT_DEVICE(3, MX27_GPT4_BASE_ADDR, MX27_INT_GPT4); | ||
253 | DEFINE_IMX_GPT_DEVICE(4, MX27_GPT5_BASE_ADDR, MX27_INT_GPT5); | ||
254 | DEFINE_IMX_GPT_DEVICE(5, MX27_GPT6_BASE_ADDR, MX27_INT_GPT6); | ||
255 | #endif | ||
256 | |||
257 | /* Watchdog: i.MX1 has seperate driver, i.MX21 and i.MX27 are equal */ | ||
258 | static struct resource mxc_wdt_resources[] = { | ||
259 | { | ||
260 | .start = MX2x_WDOG_BASE_ADDR, | ||
261 | .end = MX2x_WDOG_BASE_ADDR + SZ_4K - 1, | ||
262 | .flags = IORESOURCE_MEM, | ||
263 | }, | ||
264 | }; | ||
265 | |||
266 | struct platform_device mxc_wdt = { | ||
267 | .name = "imx2-wdt", | ||
268 | .id = 0, | ||
269 | .num_resources = ARRAY_SIZE(mxc_wdt_resources), | ||
270 | .resource = mxc_wdt_resources, | ||
271 | }; | ||
272 | |||
273 | static struct resource mxc_w1_master_resources[] = { | ||
274 | { | ||
275 | .start = MX2x_OWIRE_BASE_ADDR, | ||
276 | .end = MX2x_OWIRE_BASE_ADDR + SZ_4K - 1, | ||
277 | .flags = IORESOURCE_MEM, | ||
278 | }, | ||
279 | }; | ||
280 | |||
281 | struct platform_device mxc_w1_master_device = { | ||
282 | .name = "mxc_w1", | ||
283 | .id = 0, | ||
284 | .num_resources = ARRAY_SIZE(mxc_w1_master_resources), | ||
285 | .resource = mxc_w1_master_resources, | ||
286 | }; | ||
287 | |||
288 | /* | ||
289 | * lcdc: | ||
290 | * - i.MX1: the basic controller | ||
291 | * - i.MX21: to be checked | ||
292 | * - i.MX27: like i.MX1, with slightly variations | ||
293 | */ | ||
294 | static struct resource mxc_fb[] = { | ||
295 | { | ||
296 | .start = MX2x_LCDC_BASE_ADDR, | ||
297 | .end = MX2x_LCDC_BASE_ADDR + SZ_4K - 1, | ||
298 | .flags = IORESOURCE_MEM, | ||
299 | }, { | ||
300 | .start = MX2x_INT_LCDC, | ||
301 | .end = MX2x_INT_LCDC, | ||
302 | .flags = IORESOURCE_IRQ, | ||
303 | } | ||
304 | }; | ||
305 | |||
306 | /* mxc lcd driver */ | ||
307 | struct platform_device mxc_fb_device = { | ||
308 | .name = "imx-fb", | ||
309 | .id = 0, | ||
310 | .num_resources = ARRAY_SIZE(mxc_fb), | ||
311 | .resource = mxc_fb, | ||
312 | .dev = { | ||
313 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
314 | }, | ||
315 | }; | ||
316 | |||
317 | #ifdef CONFIG_MACH_MX27 | ||
318 | static struct resource mxc_fec_resources[] = { | ||
319 | { | ||
320 | .start = MX27_FEC_BASE_ADDR, | ||
321 | .end = MX27_FEC_BASE_ADDR + SZ_4K - 1, | ||
322 | .flags = IORESOURCE_MEM, | ||
323 | }, { | ||
324 | .start = MX27_INT_FEC, | ||
325 | .end = MX27_INT_FEC, | ||
326 | .flags = IORESOURCE_IRQ, | ||
327 | }, | ||
328 | }; | ||
329 | |||
330 | struct platform_device mxc_fec_device = { | ||
331 | .name = "fec", | ||
332 | .id = 0, | ||
333 | .num_resources = ARRAY_SIZE(mxc_fec_resources), | ||
334 | .resource = mxc_fec_resources, | ||
335 | }; | ||
336 | #endif | ||
337 | |||
338 | static struct resource mxc_pwm_resources[] = { | ||
339 | { | ||
340 | .start = MX2x_PWM_BASE_ADDR, | ||
341 | .end = MX2x_PWM_BASE_ADDR + SZ_4K - 1, | ||
342 | .flags = IORESOURCE_MEM, | ||
343 | }, { | ||
344 | .start = MX2x_INT_PWM, | ||
345 | .end = MX2x_INT_PWM, | ||
346 | .flags = IORESOURCE_IRQ, | ||
347 | } | ||
348 | }; | ||
349 | |||
350 | struct platform_device mxc_pwm_device = { | ||
351 | .name = "mxc_pwm", | ||
352 | .id = 0, | ||
353 | .num_resources = ARRAY_SIZE(mxc_pwm_resources), | ||
354 | .resource = mxc_pwm_resources, | ||
355 | }; | ||
356 | |||
357 | #define DEFINE_MXC_MMC_DEVICE(n, baseaddr, irq, dmareq) \ | ||
358 | static struct resource mxc_sdhc_resources ## n[] = { \ | ||
359 | { \ | ||
360 | .start = baseaddr, \ | ||
361 | .end = baseaddr + SZ_4K - 1, \ | ||
362 | .flags = IORESOURCE_MEM, \ | ||
363 | }, { \ | ||
364 | .start = irq, \ | ||
365 | .end = irq, \ | ||
366 | .flags = IORESOURCE_IRQ, \ | ||
367 | }, { \ | ||
368 | .start = dmareq, \ | ||
369 | .end = dmareq, \ | ||
370 | .flags = IORESOURCE_DMA, \ | ||
371 | }, \ | ||
372 | }; \ | ||
373 | \ | ||
374 | static u64 mxc_sdhc ## n ## _dmamask = DMA_BIT_MASK(32); \ | ||
375 | \ | ||
376 | struct platform_device mxc_sdhc_device ## n = { \ | ||
377 | .name = "mxc-mmc", \ | ||
378 | .id = n, \ | ||
379 | .dev = { \ | ||
380 | .dma_mask = &mxc_sdhc ## n ## _dmamask, \ | ||
381 | .coherent_dma_mask = DMA_BIT_MASK(32), \ | ||
382 | }, \ | ||
383 | .num_resources = ARRAY_SIZE(mxc_sdhc_resources ## n), \ | ||
384 | .resource = mxc_sdhc_resources ## n, \ | ||
385 | } | ||
386 | |||
387 | DEFINE_MXC_MMC_DEVICE(0, MX2x_SDHC1_BASE_ADDR, MX2x_INT_SDHC1, MX2x_DMA_REQ_SDHC1); | ||
388 | DEFINE_MXC_MMC_DEVICE(1, MX2x_SDHC2_BASE_ADDR, MX2x_INT_SDHC2, MX2x_DMA_REQ_SDHC2); | ||
389 | |||
390 | #ifdef CONFIG_MACH_MX27 | ||
391 | static struct resource otg_resources[] = { | ||
392 | { | ||
393 | .start = MX27_USBOTG_BASE_ADDR, | ||
394 | .end = MX27_USBOTG_BASE_ADDR + 0x1ff, | ||
395 | .flags = IORESOURCE_MEM, | ||
396 | }, { | ||
397 | .start = MX27_INT_USB3, | ||
398 | .end = MX27_INT_USB3, | ||
399 | .flags = IORESOURCE_IRQ, | ||
400 | }, | ||
401 | }; | ||
402 | |||
403 | static u64 otg_dmamask = DMA_BIT_MASK(32); | ||
404 | |||
405 | /* OTG gadget device */ | ||
406 | struct platform_device mxc_otg_udc_device = { | ||
407 | .name = "fsl-usb2-udc", | ||
408 | .id = -1, | ||
409 | .dev = { | ||
410 | .dma_mask = &otg_dmamask, | ||
411 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
412 | }, | ||
413 | .resource = otg_resources, | ||
414 | .num_resources = ARRAY_SIZE(otg_resources), | ||
415 | }; | ||
416 | |||
417 | /* OTG host */ | ||
418 | struct platform_device mxc_otg_host = { | ||
419 | .name = "mxc-ehci", | ||
420 | .id = 0, | ||
421 | .dev = { | ||
422 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
423 | .dma_mask = &otg_dmamask, | ||
424 | }, | ||
425 | .resource = otg_resources, | ||
426 | .num_resources = ARRAY_SIZE(otg_resources), | ||
427 | }; | ||
428 | |||
429 | /* USB host 1 */ | ||
430 | |||
431 | static u64 usbh1_dmamask = DMA_BIT_MASK(32); | ||
432 | |||
433 | static struct resource mxc_usbh1_resources[] = { | ||
434 | { | ||
435 | .start = MX27_USBOTG_BASE_ADDR + 0x200, | ||
436 | .end = MX27_USBOTG_BASE_ADDR + 0x3ff, | ||
437 | .flags = IORESOURCE_MEM, | ||
438 | }, { | ||
439 | .start = MX27_INT_USB1, | ||
440 | .end = MX27_INT_USB1, | ||
441 | .flags = IORESOURCE_IRQ, | ||
442 | }, | ||
443 | }; | ||
444 | |||
445 | struct platform_device mxc_usbh1 = { | ||
446 | .name = "mxc-ehci", | ||
447 | .id = 1, | ||
448 | .dev = { | ||
449 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
450 | .dma_mask = &usbh1_dmamask, | ||
451 | }, | ||
452 | .resource = mxc_usbh1_resources, | ||
453 | .num_resources = ARRAY_SIZE(mxc_usbh1_resources), | ||
454 | }; | ||
455 | |||
456 | /* USB host 2 */ | ||
457 | static u64 usbh2_dmamask = DMA_BIT_MASK(32); | ||
458 | |||
459 | static struct resource mxc_usbh2_resources[] = { | ||
460 | { | ||
461 | .start = MX27_USBOTG_BASE_ADDR + 0x400, | ||
462 | .end = MX27_USBOTG_BASE_ADDR + 0x5ff, | ||
463 | .flags = IORESOURCE_MEM, | ||
464 | }, { | ||
465 | .start = MX27_INT_USB2, | ||
466 | .end = MX27_INT_USB2, | ||
467 | .flags = IORESOURCE_IRQ, | ||
468 | }, | ||
469 | }; | ||
470 | |||
471 | struct platform_device mxc_usbh2 = { | ||
472 | .name = "mxc-ehci", | ||
473 | .id = 2, | ||
474 | .dev = { | ||
475 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
476 | .dma_mask = &usbh2_dmamask, | ||
477 | }, | ||
478 | .resource = mxc_usbh2_resources, | ||
479 | .num_resources = ARRAY_SIZE(mxc_usbh2_resources), | ||
480 | }; | ||
481 | #endif | ||
482 | |||
483 | #define DEFINE_IMX_SSI_DMARES(_name, ssin, suffix) \ | ||
484 | { \ | ||
485 | .name = _name, \ | ||
486 | .start = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix, \ | ||
487 | .end = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix, \ | ||
488 | .flags = IORESOURCE_DMA, \ | ||
489 | } | ||
490 | |||
491 | #define DEFINE_IMX_SSI_DEVICE(n, ssin, baseaddr, irq) \ | ||
492 | static struct resource imx_ssi_resources ## n[] = { \ | ||
493 | { \ | ||
494 | .start = MX2x_SSI ## ssin ## _BASE_ADDR, \ | ||
495 | .end = MX2x_SSI ## ssin ## _BASE_ADDR + 0x6f, \ | ||
496 | .flags = IORESOURCE_MEM, \ | ||
497 | }, { \ | ||
498 | .start = MX2x_INT_SSI1, \ | ||
499 | .end = MX2x_INT_SSI1, \ | ||
500 | .flags = IORESOURCE_IRQ, \ | ||
501 | }, \ | ||
502 | DEFINE_IMX_SSI_DMARES("tx0", ssin, TX0), \ | ||
503 | DEFINE_IMX_SSI_DMARES("rx0", ssin, RX0), \ | ||
504 | DEFINE_IMX_SSI_DMARES("tx1", ssin, TX1), \ | ||
505 | DEFINE_IMX_SSI_DMARES("rx1", ssin, RX1), \ | ||
506 | }; \ | ||
507 | \ | ||
508 | struct platform_device imx_ssi_device ## n = { \ | ||
509 | .name = "imx-ssi", \ | ||
510 | .id = n, \ | ||
511 | .num_resources = ARRAY_SIZE(imx_ssi_resources ## n), \ | ||
512 | .resource = imx_ssi_resources ## n, \ | ||
513 | } | ||
514 | |||
515 | DEFINE_IMX_SSI_DEVICE(0, 1, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1); | ||
516 | DEFINE_IMX_SSI_DEVICE(1, 2, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1); | ||
517 | |||
518 | /* GPIO port description */ | ||
519 | #define DEFINE_MXC_GPIO_PORT_IRQ(SOC, n, _irq) \ | ||
520 | { \ | ||
521 | .chip.label = "gpio-" #n, \ | ||
522 | .irq = _irq, \ | ||
523 | .base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR + \ | ||
524 | n * 0x100), \ | ||
525 | .virtual_irq_start = MXC_GPIO_IRQ_START + n * 32, \ | ||
526 | } | ||
527 | |||
528 | #define DEFINE_MXC_GPIO_PORT(SOC, n) \ | ||
529 | { \ | ||
530 | .chip.label = "gpio-" #n, \ | ||
531 | .base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR + \ | ||
532 | n * 0x100), \ | ||
533 | .virtual_irq_start = MXC_GPIO_IRQ_START + n * 32, \ | ||
534 | } | ||
535 | |||
536 | #define DEFINE_MXC_GPIO_PORTS(SOC, pfx) \ | ||
537 | static struct mxc_gpio_port pfx ## _gpio_ports[] = { \ | ||
538 | DEFINE_MXC_GPIO_PORT_IRQ(SOC, 0, SOC ## _INT_GPIO), \ | ||
539 | DEFINE_MXC_GPIO_PORT(SOC, 1), \ | ||
540 | DEFINE_MXC_GPIO_PORT(SOC, 2), \ | ||
541 | DEFINE_MXC_GPIO_PORT(SOC, 3), \ | ||
542 | DEFINE_MXC_GPIO_PORT(SOC, 4), \ | ||
543 | DEFINE_MXC_GPIO_PORT(SOC, 5), \ | ||
544 | } | ||
545 | |||
546 | #ifdef CONFIG_MACH_MX21 | ||
547 | DEFINE_MXC_GPIO_PORTS(MX21, imx21); | ||
548 | |||
549 | int __init imx21_register_gpios(void) | ||
550 | { | ||
551 | return mxc_gpio_init(imx21_gpio_ports, ARRAY_SIZE(imx21_gpio_ports)); | ||
552 | } | ||
553 | #endif | ||
554 | |||
555 | #ifdef CONFIG_MACH_MX27 | ||
556 | DEFINE_MXC_GPIO_PORTS(MX27, imx27); | ||
557 | |||
558 | int __init imx27_register_gpios(void) | ||
559 | { | ||
560 | return mxc_gpio_init(imx27_gpio_ports, ARRAY_SIZE(imx27_gpio_ports)); | ||
561 | } | ||
562 | #endif | ||
563 | |||
564 | #ifdef CONFIG_MACH_MX21 | ||
565 | static struct resource mx21_usbhc_resources[] = { | ||
566 | { | ||
567 | .start = MX21_USBOTG_BASE_ADDR, | ||
568 | .end = MX21_USBOTG_BASE_ADDR + SZ_8K - 1, | ||
569 | .flags = IORESOURCE_MEM, | ||
570 | }, | ||
571 | { | ||
572 | .start = MX21_INT_USBHOST, | ||
573 | .end = MX21_INT_USBHOST, | ||
574 | .flags = IORESOURCE_IRQ, | ||
575 | }, | ||
576 | }; | ||
577 | |||
578 | struct platform_device mx21_usbhc_device = { | ||
579 | .name = "imx21-hcd", | ||
580 | .id = 0, | ||
581 | .dev = { | ||
582 | .dma_mask = &mx21_usbhc_device.dev.coherent_dma_mask, | ||
583 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
584 | }, | ||
585 | .num_resources = ARRAY_SIZE(mx21_usbhc_resources), | ||
586 | .resource = mx21_usbhc_resources, | ||
587 | }; | ||
588 | #endif | ||
589 | |||
590 | static struct resource imx_kpp_resources[] = { | ||
591 | { | ||
592 | .start = MX2x_KPP_BASE_ADDR, | ||
593 | .end = MX2x_KPP_BASE_ADDR + 0xf, | ||
594 | .flags = IORESOURCE_MEM | ||
595 | }, { | ||
596 | .start = MX2x_INT_KPP, | ||
597 | .end = MX2x_INT_KPP, | ||
598 | .flags = IORESOURCE_IRQ, | ||
599 | }, | ||
600 | }; | ||
601 | |||
602 | struct platform_device imx_kpp_device = { | ||
603 | .name = "imx-keypad", | ||
604 | .id = -1, | ||
605 | .num_resources = ARRAY_SIZE(imx_kpp_resources), | ||
606 | .resource = imx_kpp_resources, | ||
607 | }; | ||
608 | |||
609 | #endif | ||
diff --git a/arch/arm/mach-imx/devices.h b/arch/arm/mach-imx/devices.h new file mode 100644 index 000000000000..efd4527506a5 --- /dev/null +++ b/arch/arm/mach-imx/devices.h | |||
@@ -0,0 +1,32 @@ | |||
1 | #ifdef CONFIG_ARCH_MX1 | ||
2 | extern struct platform_device imx1_camera_device; | ||
3 | extern struct platform_device imx_rtc_device; | ||
4 | extern struct platform_device imx_wdt_device; | ||
5 | extern struct platform_device imx_usb_device; | ||
6 | #endif | ||
7 | |||
8 | #if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27) | ||
9 | extern struct platform_device mxc_gpt1; | ||
10 | extern struct platform_device mxc_gpt2; | ||
11 | #ifdef CONFIG_MACH_MX27 | ||
12 | extern struct platform_device mxc_gpt3; | ||
13 | extern struct platform_device mxc_gpt4; | ||
14 | extern struct platform_device mxc_gpt5; | ||
15 | #endif | ||
16 | extern struct platform_device mxc_wdt; | ||
17 | extern struct platform_device mxc_w1_master_device; | ||
18 | extern struct platform_device mxc_fb_device; | ||
19 | extern struct platform_device mxc_fec_device; | ||
20 | extern struct platform_device mxc_pwm_device; | ||
21 | extern struct platform_device mxc_sdhc_device0; | ||
22 | extern struct platform_device mxc_sdhc_device1; | ||
23 | extern struct platform_device mxc_otg_udc_device; | ||
24 | extern struct platform_device mx27_camera_device; | ||
25 | extern struct platform_device mxc_otg_host; | ||
26 | extern struct platform_device mxc_usbh1; | ||
27 | extern struct platform_device mxc_usbh2; | ||
28 | extern struct platform_device mx21_usbhc_device; | ||
29 | extern struct platform_device imx_ssi_device0; | ||
30 | extern struct platform_device imx_ssi_device1; | ||
31 | extern struct platform_device imx_kpp_device; | ||
32 | #endif | ||
diff --git a/arch/arm/mach-imx/dma-v1.c b/arch/arm/mach-imx/dma-v1.c new file mode 100644 index 000000000000..3e8c47c63bac --- /dev/null +++ b/arch/arm/mach-imx/dma-v1.c | |||
@@ -0,0 +1,862 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/plat-mxc/dma-v1.c | ||
3 | * | ||
4 | * i.MX DMA registration and IRQ dispatching | ||
5 | * | ||
6 | * Copyright 2006 Pavel Pisa <pisa@cmp.felk.cvut.cz> | ||
7 | * Copyright 2008 Juergen Beisert, <kernel@pengutronix.de> | ||
8 | * Copyright 2008 Sascha Hauer, <s.hauer@pengutronix.de> | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or | ||
11 | * modify it under the terms of the GNU General Public License | ||
12 | * as published by the Free Software Foundation; either version 2 | ||
13 | * of the License, or (at your option) any later version. | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
22 | * MA 02110-1301, USA. | ||
23 | */ | ||
24 | |||
25 | #include <linux/module.h> | ||
26 | #include <linux/init.h> | ||
27 | #include <linux/kernel.h> | ||
28 | #include <linux/interrupt.h> | ||
29 | #include <linux/errno.h> | ||
30 | #include <linux/clk.h> | ||
31 | #include <linux/scatterlist.h> | ||
32 | #include <linux/io.h> | ||
33 | |||
34 | #include <asm/system.h> | ||
35 | #include <asm/irq.h> | ||
36 | #include <mach/hardware.h> | ||
37 | #include <mach/dma-v1.h> | ||
38 | |||
39 | #define DMA_DCR 0x00 /* Control Register */ | ||
40 | #define DMA_DISR 0x04 /* Interrupt status Register */ | ||
41 | #define DMA_DIMR 0x08 /* Interrupt mask Register */ | ||
42 | #define DMA_DBTOSR 0x0c /* Burst timeout status Register */ | ||
43 | #define DMA_DRTOSR 0x10 /* Request timeout Register */ | ||
44 | #define DMA_DSESR 0x14 /* Transfer Error Status Register */ | ||
45 | #define DMA_DBOSR 0x18 /* Buffer overflow status Register */ | ||
46 | #define DMA_DBTOCR 0x1c /* Burst timeout control Register */ | ||
47 | #define DMA_WSRA 0x40 /* W-Size Register A */ | ||
48 | #define DMA_XSRA 0x44 /* X-Size Register A */ | ||
49 | #define DMA_YSRA 0x48 /* Y-Size Register A */ | ||
50 | #define DMA_WSRB 0x4c /* W-Size Register B */ | ||
51 | #define DMA_XSRB 0x50 /* X-Size Register B */ | ||
52 | #define DMA_YSRB 0x54 /* Y-Size Register B */ | ||
53 | #define DMA_SAR(x) (0x80 + ((x) << 6)) /* Source Address Registers */ | ||
54 | #define DMA_DAR(x) (0x84 + ((x) << 6)) /* Destination Address Registers */ | ||
55 | #define DMA_CNTR(x) (0x88 + ((x) << 6)) /* Count Registers */ | ||
56 | #define DMA_CCR(x) (0x8c + ((x) << 6)) /* Control Registers */ | ||
57 | #define DMA_RSSR(x) (0x90 + ((x) << 6)) /* Request source select Registers */ | ||
58 | #define DMA_BLR(x) (0x94 + ((x) << 6)) /* Burst length Registers */ | ||
59 | #define DMA_RTOR(x) (0x98 + ((x) << 6)) /* Request timeout Registers */ | ||
60 | #define DMA_BUCR(x) (0x98 + ((x) << 6)) /* Bus Utilization Registers */ | ||
61 | #define DMA_CCNR(x) (0x9C + ((x) << 6)) /* Channel counter Registers */ | ||
62 | |||
63 | #define DCR_DRST (1<<1) | ||
64 | #define DCR_DEN (1<<0) | ||
65 | #define DBTOCR_EN (1<<15) | ||
66 | #define DBTOCR_CNT(x) ((x) & 0x7fff) | ||
67 | #define CNTR_CNT(x) ((x) & 0xffffff) | ||
68 | #define CCR_ACRPT (1<<14) | ||
69 | #define CCR_DMOD_LINEAR (0x0 << 12) | ||
70 | #define CCR_DMOD_2D (0x1 << 12) | ||
71 | #define CCR_DMOD_FIFO (0x2 << 12) | ||
72 | #define CCR_DMOD_EOBFIFO (0x3 << 12) | ||
73 | #define CCR_SMOD_LINEAR (0x0 << 10) | ||
74 | #define CCR_SMOD_2D (0x1 << 10) | ||
75 | #define CCR_SMOD_FIFO (0x2 << 10) | ||
76 | #define CCR_SMOD_EOBFIFO (0x3 << 10) | ||
77 | #define CCR_MDIR_DEC (1<<9) | ||
78 | #define CCR_MSEL_B (1<<8) | ||
79 | #define CCR_DSIZ_32 (0x0 << 6) | ||
80 | #define CCR_DSIZ_8 (0x1 << 6) | ||
81 | #define CCR_DSIZ_16 (0x2 << 6) | ||
82 | #define CCR_SSIZ_32 (0x0 << 4) | ||
83 | #define CCR_SSIZ_8 (0x1 << 4) | ||
84 | #define CCR_SSIZ_16 (0x2 << 4) | ||
85 | #define CCR_REN (1<<3) | ||
86 | #define CCR_RPT (1<<2) | ||
87 | #define CCR_FRC (1<<1) | ||
88 | #define CCR_CEN (1<<0) | ||
89 | #define RTOR_EN (1<<15) | ||
90 | #define RTOR_CLK (1<<14) | ||
91 | #define RTOR_PSC (1<<13) | ||
92 | |||
93 | /* | ||
94 | * struct imx_dma_channel - i.MX specific DMA extension | ||
95 | * @name: name specified by DMA client | ||
96 | * @irq_handler: client callback for end of transfer | ||
97 | * @err_handler: client callback for error condition | ||
98 | * @data: clients context data for callbacks | ||
99 | * @dma_mode: direction of the transfer %DMA_MODE_READ or %DMA_MODE_WRITE | ||
100 | * @sg: pointer to the actual read/written chunk for scatter-gather emulation | ||
101 | * @resbytes: total residual number of bytes to transfer | ||
102 | * (it can be lower or same as sum of SG mapped chunk sizes) | ||
103 | * @sgcount: number of chunks to be read/written | ||
104 | * | ||
105 | * Structure is used for IMX DMA processing. It would be probably good | ||
106 | * @struct dma_struct in the future for external interfacing and use | ||
107 | * @struct imx_dma_channel only as extension to it. | ||
108 | */ | ||
109 | |||
110 | struct imx_dma_channel { | ||
111 | const char *name; | ||
112 | void (*irq_handler) (int, void *); | ||
113 | void (*err_handler) (int, void *, int errcode); | ||
114 | void (*prog_handler) (int, void *, struct scatterlist *); | ||
115 | void *data; | ||
116 | unsigned int dma_mode; | ||
117 | struct scatterlist *sg; | ||
118 | unsigned int resbytes; | ||
119 | int dma_num; | ||
120 | |||
121 | int in_use; | ||
122 | |||
123 | u32 ccr_from_device; | ||
124 | u32 ccr_to_device; | ||
125 | |||
126 | struct timer_list watchdog; | ||
127 | |||
128 | int hw_chaining; | ||
129 | }; | ||
130 | |||
131 | static void __iomem *imx_dmav1_baseaddr; | ||
132 | |||
133 | static void imx_dmav1_writel(unsigned val, unsigned offset) | ||
134 | { | ||
135 | __raw_writel(val, imx_dmav1_baseaddr + offset); | ||
136 | } | ||
137 | |||
138 | static unsigned imx_dmav1_readl(unsigned offset) | ||
139 | { | ||
140 | return __raw_readl(imx_dmav1_baseaddr + offset); | ||
141 | } | ||
142 | |||
143 | static struct imx_dma_channel imx_dma_channels[IMX_DMA_CHANNELS]; | ||
144 | |||
145 | static struct clk *dma_clk; | ||
146 | |||
147 | static int imx_dma_hw_chain(struct imx_dma_channel *imxdma) | ||
148 | { | ||
149 | if (cpu_is_mx27()) | ||
150 | return imxdma->hw_chaining; | ||
151 | else | ||
152 | return 0; | ||
153 | } | ||
154 | |||
155 | /* | ||
156 | * imx_dma_sg_next - prepare next chunk for scatter-gather DMA emulation | ||
157 | */ | ||
158 | static inline int imx_dma_sg_next(int channel, struct scatterlist *sg) | ||
159 | { | ||
160 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
161 | unsigned long now; | ||
162 | |||
163 | if (!imxdma->name) { | ||
164 | printk(KERN_CRIT "%s: called for not allocated channel %d\n", | ||
165 | __func__, channel); | ||
166 | return 0; | ||
167 | } | ||
168 | |||
169 | now = min(imxdma->resbytes, sg->length); | ||
170 | if (imxdma->resbytes != IMX_DMA_LENGTH_LOOP) | ||
171 | imxdma->resbytes -= now; | ||
172 | |||
173 | if ((imxdma->dma_mode & DMA_MODE_MASK) == DMA_MODE_READ) | ||
174 | imx_dmav1_writel(sg->dma_address, DMA_DAR(channel)); | ||
175 | else | ||
176 | imx_dmav1_writel(sg->dma_address, DMA_SAR(channel)); | ||
177 | |||
178 | imx_dmav1_writel(now, DMA_CNTR(channel)); | ||
179 | |||
180 | pr_debug("imxdma%d: next sg chunk dst 0x%08x, src 0x%08x, " | ||
181 | "size 0x%08x\n", channel, | ||
182 | imx_dmav1_readl(DMA_DAR(channel)), | ||
183 | imx_dmav1_readl(DMA_SAR(channel)), | ||
184 | imx_dmav1_readl(DMA_CNTR(channel))); | ||
185 | |||
186 | return now; | ||
187 | } | ||
188 | |||
189 | /** | ||
190 | * imx_dma_setup_single - setup i.MX DMA channel for linear memory to/from | ||
191 | * device transfer | ||
192 | * | ||
193 | * @channel: i.MX DMA channel number | ||
194 | * @dma_address: the DMA/physical memory address of the linear data block | ||
195 | * to transfer | ||
196 | * @dma_length: length of the data block in bytes | ||
197 | * @dev_addr: physical device port address | ||
198 | * @dmamode: DMA transfer mode, %DMA_MODE_READ from the device to the memory | ||
199 | * or %DMA_MODE_WRITE from memory to the device | ||
200 | * | ||
201 | * Return value: if incorrect parameters are provided -%EINVAL. | ||
202 | * Zero indicates success. | ||
203 | */ | ||
204 | int | ||
205 | imx_dma_setup_single(int channel, dma_addr_t dma_address, | ||
206 | unsigned int dma_length, unsigned int dev_addr, | ||
207 | unsigned int dmamode) | ||
208 | { | ||
209 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
210 | |||
211 | imxdma->sg = NULL; | ||
212 | imxdma->dma_mode = dmamode; | ||
213 | |||
214 | if (!dma_address) { | ||
215 | printk(KERN_ERR "imxdma%d: imx_dma_setup_single null address\n", | ||
216 | channel); | ||
217 | return -EINVAL; | ||
218 | } | ||
219 | |||
220 | if (!dma_length) { | ||
221 | printk(KERN_ERR "imxdma%d: imx_dma_setup_single zero length\n", | ||
222 | channel); | ||
223 | return -EINVAL; | ||
224 | } | ||
225 | |||
226 | if ((dmamode & DMA_MODE_MASK) == DMA_MODE_READ) { | ||
227 | pr_debug("imxdma%d: %s dma_addressg=0x%08x dma_length=%d " | ||
228 | "dev_addr=0x%08x for read\n", | ||
229 | channel, __func__, (unsigned int)dma_address, | ||
230 | dma_length, dev_addr); | ||
231 | |||
232 | imx_dmav1_writel(dev_addr, DMA_SAR(channel)); | ||
233 | imx_dmav1_writel(dma_address, DMA_DAR(channel)); | ||
234 | imx_dmav1_writel(imxdma->ccr_from_device, DMA_CCR(channel)); | ||
235 | } else if ((dmamode & DMA_MODE_MASK) == DMA_MODE_WRITE) { | ||
236 | pr_debug("imxdma%d: %s dma_addressg=0x%08x dma_length=%d " | ||
237 | "dev_addr=0x%08x for write\n", | ||
238 | channel, __func__, (unsigned int)dma_address, | ||
239 | dma_length, dev_addr); | ||
240 | |||
241 | imx_dmav1_writel(dma_address, DMA_SAR(channel)); | ||
242 | imx_dmav1_writel(dev_addr, DMA_DAR(channel)); | ||
243 | imx_dmav1_writel(imxdma->ccr_to_device, | ||
244 | DMA_CCR(channel)); | ||
245 | } else { | ||
246 | printk(KERN_ERR "imxdma%d: imx_dma_setup_single bad dmamode\n", | ||
247 | channel); | ||
248 | return -EINVAL; | ||
249 | } | ||
250 | |||
251 | imx_dmav1_writel(dma_length, DMA_CNTR(channel)); | ||
252 | |||
253 | return 0; | ||
254 | } | ||
255 | EXPORT_SYMBOL(imx_dma_setup_single); | ||
256 | |||
257 | /** | ||
258 | * imx_dma_setup_sg - setup i.MX DMA channel SG list to/from device transfer | ||
259 | * @channel: i.MX DMA channel number | ||
260 | * @sg: pointer to the scatter-gather list/vector | ||
261 | * @sgcount: scatter-gather list hungs count | ||
262 | * @dma_length: total length of the transfer request in bytes | ||
263 | * @dev_addr: physical device port address | ||
264 | * @dmamode: DMA transfer mode, %DMA_MODE_READ from the device to the memory | ||
265 | * or %DMA_MODE_WRITE from memory to the device | ||
266 | * | ||
267 | * The function sets up DMA channel state and registers to be ready for | ||
268 | * transfer specified by provided parameters. The scatter-gather emulation | ||
269 | * is set up according to the parameters. | ||
270 | * | ||
271 | * The full preparation of the transfer requires setup of more register | ||
272 | * by the caller before imx_dma_enable() can be called. | ||
273 | * | ||
274 | * %BLR(channel) holds transfer burst length in bytes, 0 means 64 bytes | ||
275 | * | ||
276 | * %RSSR(channel) has to be set to the DMA request line source %DMA_REQ_xxx | ||
277 | * | ||
278 | * %CCR(channel) has to specify transfer parameters, the next settings is | ||
279 | * typical for linear or simple scatter-gather transfers if %DMA_MODE_READ is | ||
280 | * specified | ||
281 | * | ||
282 | * %CCR_DMOD_LINEAR | %CCR_DSIZ_32 | %CCR_SMOD_FIFO | %CCR_SSIZ_x | ||
283 | * | ||
284 | * The typical setup for %DMA_MODE_WRITE is specified by next options | ||
285 | * combination | ||
286 | * | ||
287 | * %CCR_SMOD_LINEAR | %CCR_SSIZ_32 | %CCR_DMOD_FIFO | %CCR_DSIZ_x | ||
288 | * | ||
289 | * Be careful here and do not mistakenly mix source and target device | ||
290 | * port sizes constants, they are really different: | ||
291 | * %CCR_SSIZ_8, %CCR_SSIZ_16, %CCR_SSIZ_32, | ||
292 | * %CCR_DSIZ_8, %CCR_DSIZ_16, %CCR_DSIZ_32 | ||
293 | * | ||
294 | * Return value: if incorrect parameters are provided -%EINVAL. | ||
295 | * Zero indicates success. | ||
296 | */ | ||
297 | int | ||
298 | imx_dma_setup_sg(int channel, | ||
299 | struct scatterlist *sg, unsigned int sgcount, | ||
300 | unsigned int dma_length, unsigned int dev_addr, | ||
301 | unsigned int dmamode) | ||
302 | { | ||
303 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
304 | |||
305 | if (imxdma->in_use) | ||
306 | return -EBUSY; | ||
307 | |||
308 | imxdma->sg = sg; | ||
309 | imxdma->dma_mode = dmamode; | ||
310 | imxdma->resbytes = dma_length; | ||
311 | |||
312 | if (!sg || !sgcount) { | ||
313 | printk(KERN_ERR "imxdma%d: imx_dma_setup_sg empty sg list\n", | ||
314 | channel); | ||
315 | return -EINVAL; | ||
316 | } | ||
317 | |||
318 | if (!sg->length) { | ||
319 | printk(KERN_ERR "imxdma%d: imx_dma_setup_sg zero length\n", | ||
320 | channel); | ||
321 | return -EINVAL; | ||
322 | } | ||
323 | |||
324 | if ((dmamode & DMA_MODE_MASK) == DMA_MODE_READ) { | ||
325 | pr_debug("imxdma%d: %s sg=%p sgcount=%d total length=%d " | ||
326 | "dev_addr=0x%08x for read\n", | ||
327 | channel, __func__, sg, sgcount, dma_length, dev_addr); | ||
328 | |||
329 | imx_dmav1_writel(dev_addr, DMA_SAR(channel)); | ||
330 | imx_dmav1_writel(imxdma->ccr_from_device, DMA_CCR(channel)); | ||
331 | } else if ((dmamode & DMA_MODE_MASK) == DMA_MODE_WRITE) { | ||
332 | pr_debug("imxdma%d: %s sg=%p sgcount=%d total length=%d " | ||
333 | "dev_addr=0x%08x for write\n", | ||
334 | channel, __func__, sg, sgcount, dma_length, dev_addr); | ||
335 | |||
336 | imx_dmav1_writel(dev_addr, DMA_DAR(channel)); | ||
337 | imx_dmav1_writel(imxdma->ccr_to_device, DMA_CCR(channel)); | ||
338 | } else { | ||
339 | printk(KERN_ERR "imxdma%d: imx_dma_setup_sg bad dmamode\n", | ||
340 | channel); | ||
341 | return -EINVAL; | ||
342 | } | ||
343 | |||
344 | imx_dma_sg_next(channel, sg); | ||
345 | |||
346 | return 0; | ||
347 | } | ||
348 | EXPORT_SYMBOL(imx_dma_setup_sg); | ||
349 | |||
350 | int | ||
351 | imx_dma_config_channel(int channel, unsigned int config_port, | ||
352 | unsigned int config_mem, unsigned int dmareq, int hw_chaining) | ||
353 | { | ||
354 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
355 | u32 dreq = 0; | ||
356 | |||
357 | imxdma->hw_chaining = 0; | ||
358 | |||
359 | if (hw_chaining) { | ||
360 | imxdma->hw_chaining = 1; | ||
361 | if (!imx_dma_hw_chain(imxdma)) | ||
362 | return -EINVAL; | ||
363 | } | ||
364 | |||
365 | if (dmareq) | ||
366 | dreq = CCR_REN; | ||
367 | |||
368 | imxdma->ccr_from_device = config_port | (config_mem << 2) | dreq; | ||
369 | imxdma->ccr_to_device = config_mem | (config_port << 2) | dreq; | ||
370 | |||
371 | imx_dmav1_writel(dmareq, DMA_RSSR(channel)); | ||
372 | |||
373 | return 0; | ||
374 | } | ||
375 | EXPORT_SYMBOL(imx_dma_config_channel); | ||
376 | |||
377 | void imx_dma_config_burstlen(int channel, unsigned int burstlen) | ||
378 | { | ||
379 | imx_dmav1_writel(burstlen, DMA_BLR(channel)); | ||
380 | } | ||
381 | EXPORT_SYMBOL(imx_dma_config_burstlen); | ||
382 | |||
383 | /** | ||
384 | * imx_dma_setup_handlers - setup i.MX DMA channel end and error notification | ||
385 | * handlers | ||
386 | * @channel: i.MX DMA channel number | ||
387 | * @irq_handler: the pointer to the function called if the transfer | ||
388 | * ends successfully | ||
389 | * @err_handler: the pointer to the function called if the premature | ||
390 | * end caused by error occurs | ||
391 | * @data: user specified value to be passed to the handlers | ||
392 | */ | ||
393 | int | ||
394 | imx_dma_setup_handlers(int channel, | ||
395 | void (*irq_handler) (int, void *), | ||
396 | void (*err_handler) (int, void *, int), | ||
397 | void *data) | ||
398 | { | ||
399 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
400 | unsigned long flags; | ||
401 | |||
402 | if (!imxdma->name) { | ||
403 | printk(KERN_CRIT "%s: called for not allocated channel %d\n", | ||
404 | __func__, channel); | ||
405 | return -ENODEV; | ||
406 | } | ||
407 | |||
408 | local_irq_save(flags); | ||
409 | imx_dmav1_writel(1 << channel, DMA_DISR); | ||
410 | imxdma->irq_handler = irq_handler; | ||
411 | imxdma->err_handler = err_handler; | ||
412 | imxdma->data = data; | ||
413 | local_irq_restore(flags); | ||
414 | return 0; | ||
415 | } | ||
416 | EXPORT_SYMBOL(imx_dma_setup_handlers); | ||
417 | |||
418 | /** | ||
419 | * imx_dma_setup_progression_handler - setup i.MX DMA channel progression | ||
420 | * handlers | ||
421 | * @channel: i.MX DMA channel number | ||
422 | * @prog_handler: the pointer to the function called if the transfer progresses | ||
423 | */ | ||
424 | int | ||
425 | imx_dma_setup_progression_handler(int channel, | ||
426 | void (*prog_handler) (int, void*, struct scatterlist*)) | ||
427 | { | ||
428 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
429 | unsigned long flags; | ||
430 | |||
431 | if (!imxdma->name) { | ||
432 | printk(KERN_CRIT "%s: called for not allocated channel %d\n", | ||
433 | __func__, channel); | ||
434 | return -ENODEV; | ||
435 | } | ||
436 | |||
437 | local_irq_save(flags); | ||
438 | imxdma->prog_handler = prog_handler; | ||
439 | local_irq_restore(flags); | ||
440 | return 0; | ||
441 | } | ||
442 | EXPORT_SYMBOL(imx_dma_setup_progression_handler); | ||
443 | |||
444 | /** | ||
445 | * imx_dma_enable - function to start i.MX DMA channel operation | ||
446 | * @channel: i.MX DMA channel number | ||
447 | * | ||
448 | * The channel has to be allocated by driver through imx_dma_request() | ||
449 | * or imx_dma_request_by_prio() function. | ||
450 | * The transfer parameters has to be set to the channel registers through | ||
451 | * call of the imx_dma_setup_single() or imx_dma_setup_sg() function | ||
452 | * and registers %BLR(channel), %RSSR(channel) and %CCR(channel) has to | ||
453 | * be set prior this function call by the channel user. | ||
454 | */ | ||
455 | void imx_dma_enable(int channel) | ||
456 | { | ||
457 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
458 | unsigned long flags; | ||
459 | |||
460 | pr_debug("imxdma%d: imx_dma_enable\n", channel); | ||
461 | |||
462 | if (!imxdma->name) { | ||
463 | printk(KERN_CRIT "%s: called for not allocated channel %d\n", | ||
464 | __func__, channel); | ||
465 | return; | ||
466 | } | ||
467 | |||
468 | if (imxdma->in_use) | ||
469 | return; | ||
470 | |||
471 | local_irq_save(flags); | ||
472 | |||
473 | imx_dmav1_writel(1 << channel, DMA_DISR); | ||
474 | imx_dmav1_writel(imx_dmav1_readl(DMA_DIMR) & ~(1 << channel), DMA_DIMR); | ||
475 | imx_dmav1_writel(imx_dmav1_readl(DMA_CCR(channel)) | CCR_CEN | | ||
476 | CCR_ACRPT, DMA_CCR(channel)); | ||
477 | |||
478 | #ifdef CONFIG_ARCH_MX2 | ||
479 | if ((cpu_is_mx21() || cpu_is_mx27()) && | ||
480 | imxdma->sg && imx_dma_hw_chain(imxdma)) { | ||
481 | imxdma->sg = sg_next(imxdma->sg); | ||
482 | if (imxdma->sg) { | ||
483 | u32 tmp; | ||
484 | imx_dma_sg_next(channel, imxdma->sg); | ||
485 | tmp = imx_dmav1_readl(DMA_CCR(channel)); | ||
486 | imx_dmav1_writel(tmp | CCR_RPT | CCR_ACRPT, | ||
487 | DMA_CCR(channel)); | ||
488 | } | ||
489 | } | ||
490 | #endif | ||
491 | imxdma->in_use = 1; | ||
492 | |||
493 | local_irq_restore(flags); | ||
494 | } | ||
495 | EXPORT_SYMBOL(imx_dma_enable); | ||
496 | |||
497 | /** | ||
498 | * imx_dma_disable - stop, finish i.MX DMA channel operatin | ||
499 | * @channel: i.MX DMA channel number | ||
500 | */ | ||
501 | void imx_dma_disable(int channel) | ||
502 | { | ||
503 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
504 | unsigned long flags; | ||
505 | |||
506 | pr_debug("imxdma%d: imx_dma_disable\n", channel); | ||
507 | |||
508 | if (imx_dma_hw_chain(imxdma)) | ||
509 | del_timer(&imxdma->watchdog); | ||
510 | |||
511 | local_irq_save(flags); | ||
512 | imx_dmav1_writel(imx_dmav1_readl(DMA_DIMR) | (1 << channel), DMA_DIMR); | ||
513 | imx_dmav1_writel(imx_dmav1_readl(DMA_CCR(channel)) & ~CCR_CEN, | ||
514 | DMA_CCR(channel)); | ||
515 | imx_dmav1_writel(1 << channel, DMA_DISR); | ||
516 | imxdma->in_use = 0; | ||
517 | local_irq_restore(flags); | ||
518 | } | ||
519 | EXPORT_SYMBOL(imx_dma_disable); | ||
520 | |||
521 | #ifdef CONFIG_ARCH_MX2 | ||
522 | static void imx_dma_watchdog(unsigned long chno) | ||
523 | { | ||
524 | struct imx_dma_channel *imxdma = &imx_dma_channels[chno]; | ||
525 | |||
526 | imx_dmav1_writel(0, DMA_CCR(chno)); | ||
527 | imxdma->in_use = 0; | ||
528 | imxdma->sg = NULL; | ||
529 | |||
530 | if (imxdma->err_handler) | ||
531 | imxdma->err_handler(chno, imxdma->data, IMX_DMA_ERR_TIMEOUT); | ||
532 | } | ||
533 | #endif | ||
534 | |||
535 | static irqreturn_t dma_err_handler(int irq, void *dev_id) | ||
536 | { | ||
537 | int i, disr; | ||
538 | struct imx_dma_channel *imxdma; | ||
539 | unsigned int err_mask; | ||
540 | int errcode; | ||
541 | |||
542 | disr = imx_dmav1_readl(DMA_DISR); | ||
543 | |||
544 | err_mask = imx_dmav1_readl(DMA_DBTOSR) | | ||
545 | imx_dmav1_readl(DMA_DRTOSR) | | ||
546 | imx_dmav1_readl(DMA_DSESR) | | ||
547 | imx_dmav1_readl(DMA_DBOSR); | ||
548 | |||
549 | if (!err_mask) | ||
550 | return IRQ_HANDLED; | ||
551 | |||
552 | imx_dmav1_writel(disr & err_mask, DMA_DISR); | ||
553 | |||
554 | for (i = 0; i < IMX_DMA_CHANNELS; i++) { | ||
555 | if (!(err_mask & (1 << i))) | ||
556 | continue; | ||
557 | imxdma = &imx_dma_channels[i]; | ||
558 | errcode = 0; | ||
559 | |||
560 | if (imx_dmav1_readl(DMA_DBTOSR) & (1 << i)) { | ||
561 | imx_dmav1_writel(1 << i, DMA_DBTOSR); | ||
562 | errcode |= IMX_DMA_ERR_BURST; | ||
563 | } | ||
564 | if (imx_dmav1_readl(DMA_DRTOSR) & (1 << i)) { | ||
565 | imx_dmav1_writel(1 << i, DMA_DRTOSR); | ||
566 | errcode |= IMX_DMA_ERR_REQUEST; | ||
567 | } | ||
568 | if (imx_dmav1_readl(DMA_DSESR) & (1 << i)) { | ||
569 | imx_dmav1_writel(1 << i, DMA_DSESR); | ||
570 | errcode |= IMX_DMA_ERR_TRANSFER; | ||
571 | } | ||
572 | if (imx_dmav1_readl(DMA_DBOSR) & (1 << i)) { | ||
573 | imx_dmav1_writel(1 << i, DMA_DBOSR); | ||
574 | errcode |= IMX_DMA_ERR_BUFFER; | ||
575 | } | ||
576 | if (imxdma->name && imxdma->err_handler) { | ||
577 | imxdma->err_handler(i, imxdma->data, errcode); | ||
578 | continue; | ||
579 | } | ||
580 | |||
581 | imx_dma_channels[i].sg = NULL; | ||
582 | |||
583 | printk(KERN_WARNING | ||
584 | "DMA timeout on channel %d (%s) -%s%s%s%s\n", | ||
585 | i, imxdma->name, | ||
586 | errcode & IMX_DMA_ERR_BURST ? " burst" : "", | ||
587 | errcode & IMX_DMA_ERR_REQUEST ? " request" : "", | ||
588 | errcode & IMX_DMA_ERR_TRANSFER ? " transfer" : "", | ||
589 | errcode & IMX_DMA_ERR_BUFFER ? " buffer" : ""); | ||
590 | } | ||
591 | return IRQ_HANDLED; | ||
592 | } | ||
593 | |||
594 | static void dma_irq_handle_channel(int chno) | ||
595 | { | ||
596 | struct imx_dma_channel *imxdma = &imx_dma_channels[chno]; | ||
597 | |||
598 | if (!imxdma->name) { | ||
599 | /* | ||
600 | * IRQ for an unregistered DMA channel: | ||
601 | * let's clear the interrupts and disable it. | ||
602 | */ | ||
603 | printk(KERN_WARNING | ||
604 | "spurious IRQ for DMA channel %d\n", chno); | ||
605 | return; | ||
606 | } | ||
607 | |||
608 | if (imxdma->sg) { | ||
609 | u32 tmp; | ||
610 | struct scatterlist *current_sg = imxdma->sg; | ||
611 | imxdma->sg = sg_next(imxdma->sg); | ||
612 | |||
613 | if (imxdma->sg) { | ||
614 | imx_dma_sg_next(chno, imxdma->sg); | ||
615 | |||
616 | tmp = imx_dmav1_readl(DMA_CCR(chno)); | ||
617 | |||
618 | if (imx_dma_hw_chain(imxdma)) { | ||
619 | /* FIXME: The timeout should probably be | ||
620 | * configurable | ||
621 | */ | ||
622 | mod_timer(&imxdma->watchdog, | ||
623 | jiffies + msecs_to_jiffies(500)); | ||
624 | |||
625 | tmp |= CCR_CEN | CCR_RPT | CCR_ACRPT; | ||
626 | imx_dmav1_writel(tmp, DMA_CCR(chno)); | ||
627 | } else { | ||
628 | imx_dmav1_writel(tmp & ~CCR_CEN, DMA_CCR(chno)); | ||
629 | tmp |= CCR_CEN; | ||
630 | } | ||
631 | |||
632 | imx_dmav1_writel(tmp, DMA_CCR(chno)); | ||
633 | |||
634 | if (imxdma->prog_handler) | ||
635 | imxdma->prog_handler(chno, imxdma->data, | ||
636 | current_sg); | ||
637 | |||
638 | return; | ||
639 | } | ||
640 | |||
641 | if (imx_dma_hw_chain(imxdma)) { | ||
642 | del_timer(&imxdma->watchdog); | ||
643 | return; | ||
644 | } | ||
645 | } | ||
646 | |||
647 | imx_dmav1_writel(0, DMA_CCR(chno)); | ||
648 | imxdma->in_use = 0; | ||
649 | if (imxdma->irq_handler) | ||
650 | imxdma->irq_handler(chno, imxdma->data); | ||
651 | } | ||
652 | |||
653 | static irqreturn_t dma_irq_handler(int irq, void *dev_id) | ||
654 | { | ||
655 | int i, disr; | ||
656 | |||
657 | #ifdef CONFIG_ARCH_MX2 | ||
658 | if (cpu_is_mx21() || cpu_is_mx27()) | ||
659 | dma_err_handler(irq, dev_id); | ||
660 | #endif | ||
661 | |||
662 | disr = imx_dmav1_readl(DMA_DISR); | ||
663 | |||
664 | pr_debug("imxdma: dma_irq_handler called, disr=0x%08x\n", | ||
665 | disr); | ||
666 | |||
667 | imx_dmav1_writel(disr, DMA_DISR); | ||
668 | for (i = 0; i < IMX_DMA_CHANNELS; i++) { | ||
669 | if (disr & (1 << i)) | ||
670 | dma_irq_handle_channel(i); | ||
671 | } | ||
672 | |||
673 | return IRQ_HANDLED; | ||
674 | } | ||
675 | |||
676 | /** | ||
677 | * imx_dma_request - request/allocate specified channel number | ||
678 | * @channel: i.MX DMA channel number | ||
679 | * @name: the driver/caller own non-%NULL identification | ||
680 | */ | ||
681 | int imx_dma_request(int channel, const char *name) | ||
682 | { | ||
683 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
684 | unsigned long flags; | ||
685 | int ret = 0; | ||
686 | |||
687 | /* basic sanity checks */ | ||
688 | if (!name) | ||
689 | return -EINVAL; | ||
690 | |||
691 | if (channel >= IMX_DMA_CHANNELS) { | ||
692 | printk(KERN_CRIT "%s: called for non-existed channel %d\n", | ||
693 | __func__, channel); | ||
694 | return -EINVAL; | ||
695 | } | ||
696 | |||
697 | local_irq_save(flags); | ||
698 | if (imxdma->name) { | ||
699 | local_irq_restore(flags); | ||
700 | return -EBUSY; | ||
701 | } | ||
702 | memset(imxdma, 0, sizeof(imxdma)); | ||
703 | imxdma->name = name; | ||
704 | local_irq_restore(flags); /* request_irq() can block */ | ||
705 | |||
706 | #ifdef CONFIG_ARCH_MX2 | ||
707 | if (cpu_is_mx21() || cpu_is_mx27()) { | ||
708 | ret = request_irq(MX2x_INT_DMACH0 + channel, | ||
709 | dma_irq_handler, 0, "DMA", NULL); | ||
710 | if (ret) { | ||
711 | imxdma->name = NULL; | ||
712 | pr_crit("Can't register IRQ %d for DMA channel %d\n", | ||
713 | MX2x_INT_DMACH0 + channel, channel); | ||
714 | return ret; | ||
715 | } | ||
716 | init_timer(&imxdma->watchdog); | ||
717 | imxdma->watchdog.function = &imx_dma_watchdog; | ||
718 | imxdma->watchdog.data = channel; | ||
719 | } | ||
720 | #endif | ||
721 | |||
722 | return ret; | ||
723 | } | ||
724 | EXPORT_SYMBOL(imx_dma_request); | ||
725 | |||
726 | /** | ||
727 | * imx_dma_free - release previously acquired channel | ||
728 | * @channel: i.MX DMA channel number | ||
729 | */ | ||
730 | void imx_dma_free(int channel) | ||
731 | { | ||
732 | unsigned long flags; | ||
733 | struct imx_dma_channel *imxdma = &imx_dma_channels[channel]; | ||
734 | |||
735 | if (!imxdma->name) { | ||
736 | printk(KERN_CRIT | ||
737 | "%s: trying to free free channel %d\n", | ||
738 | __func__, channel); | ||
739 | return; | ||
740 | } | ||
741 | |||
742 | local_irq_save(flags); | ||
743 | /* Disable interrupts */ | ||
744 | imx_dma_disable(channel); | ||
745 | imxdma->name = NULL; | ||
746 | |||
747 | #ifdef CONFIG_ARCH_MX2 | ||
748 | if (cpu_is_mx21() || cpu_is_mx27()) | ||
749 | free_irq(MX2x_INT_DMACH0 + channel, NULL); | ||
750 | #endif | ||
751 | |||
752 | local_irq_restore(flags); | ||
753 | } | ||
754 | EXPORT_SYMBOL(imx_dma_free); | ||
755 | |||
756 | /** | ||
757 | * imx_dma_request_by_prio - find and request some of free channels best | ||
758 | * suiting requested priority | ||
759 | * @channel: i.MX DMA channel number | ||
760 | * @name: the driver/caller own non-%NULL identification | ||
761 | * | ||
762 | * This function tries to find a free channel in the specified priority group | ||
763 | * if the priority cannot be achieved it tries to look for free channel | ||
764 | * in the higher and then even lower priority groups. | ||
765 | * | ||
766 | * Return value: If there is no free channel to allocate, -%ENODEV is returned. | ||
767 | * On successful allocation channel is returned. | ||
768 | */ | ||
769 | int imx_dma_request_by_prio(const char *name, enum imx_dma_prio prio) | ||
770 | { | ||
771 | int i; | ||
772 | int best; | ||
773 | |||
774 | switch (prio) { | ||
775 | case (DMA_PRIO_HIGH): | ||
776 | best = 8; | ||
777 | break; | ||
778 | case (DMA_PRIO_MEDIUM): | ||
779 | best = 4; | ||
780 | break; | ||
781 | case (DMA_PRIO_LOW): | ||
782 | default: | ||
783 | best = 0; | ||
784 | break; | ||
785 | } | ||
786 | |||
787 | for (i = best; i < IMX_DMA_CHANNELS; i++) | ||
788 | if (!imx_dma_request(i, name)) | ||
789 | return i; | ||
790 | |||
791 | for (i = best - 1; i >= 0; i--) | ||
792 | if (!imx_dma_request(i, name)) | ||
793 | return i; | ||
794 | |||
795 | printk(KERN_ERR "%s: no free DMA channel found\n", __func__); | ||
796 | |||
797 | return -ENODEV; | ||
798 | } | ||
799 | EXPORT_SYMBOL(imx_dma_request_by_prio); | ||
800 | |||
801 | static int __init imx_dma_init(void) | ||
802 | { | ||
803 | int ret = 0; | ||
804 | int i; | ||
805 | |||
806 | #ifdef CONFIG_ARCH_MX1 | ||
807 | if (cpu_is_mx1()) | ||
808 | imx_dmav1_baseaddr = MX1_IO_ADDRESS(MX1_DMA_BASE_ADDR); | ||
809 | else | ||
810 | #endif | ||
811 | #ifdef CONFIG_MACH_MX21 | ||
812 | if (cpu_is_mx21()) | ||
813 | imx_dmav1_baseaddr = MX21_IO_ADDRESS(MX21_DMA_BASE_ADDR); | ||
814 | else | ||
815 | #endif | ||
816 | #ifdef CONFIG_MACH_MX27 | ||
817 | if (cpu_is_mx27()) | ||
818 | imx_dmav1_baseaddr = MX27_IO_ADDRESS(MX27_DMA_BASE_ADDR); | ||
819 | else | ||
820 | #endif | ||
821 | BUG(); | ||
822 | |||
823 | dma_clk = clk_get(NULL, "dma"); | ||
824 | clk_enable(dma_clk); | ||
825 | |||
826 | /* reset DMA module */ | ||
827 | imx_dmav1_writel(DCR_DRST, DMA_DCR); | ||
828 | |||
829 | #ifdef CONFIG_ARCH_MX1 | ||
830 | if (cpu_is_mx1()) { | ||
831 | ret = request_irq(MX1_DMA_INT, dma_irq_handler, 0, "DMA", NULL); | ||
832 | if (ret) { | ||
833 | pr_crit("Wow! Can't register IRQ for DMA\n"); | ||
834 | return ret; | ||
835 | } | ||
836 | |||
837 | ret = request_irq(MX1_DMA_ERR, dma_err_handler, 0, "DMA", NULL); | ||
838 | if (ret) { | ||
839 | pr_crit("Wow! Can't register ERRIRQ for DMA\n"); | ||
840 | free_irq(MX1_DMA_INT, NULL); | ||
841 | return ret; | ||
842 | } | ||
843 | } | ||
844 | #endif | ||
845 | /* enable DMA module */ | ||
846 | imx_dmav1_writel(DCR_DEN, DMA_DCR); | ||
847 | |||
848 | /* clear all interrupts */ | ||
849 | imx_dmav1_writel((1 << IMX_DMA_CHANNELS) - 1, DMA_DISR); | ||
850 | |||
851 | /* disable interrupts */ | ||
852 | imx_dmav1_writel((1 << IMX_DMA_CHANNELS) - 1, DMA_DIMR); | ||
853 | |||
854 | for (i = 0; i < IMX_DMA_CHANNELS; i++) { | ||
855 | imx_dma_channels[i].sg = NULL; | ||
856 | imx_dma_channels[i].dma_num = i; | ||
857 | } | ||
858 | |||
859 | return ret; | ||
860 | } | ||
861 | |||
862 | arch_initcall(imx_dma_init); | ||
diff --git a/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c new file mode 100644 index 000000000000..4edc5f439201 --- /dev/null +++ b/arch/arm/mach-imx/eukrea_mbimx27-baseboard.c | |||
@@ -0,0 +1,392 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2009-2010 Eric Benard - eric@eukrea.com | ||
3 | * | ||
4 | * Based on pcm970-baseboard.c which is : | ||
5 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU General Public License | ||
9 | * as published by the Free Software Foundation; either version 2 | ||
10 | * of the License, or (at your option) any later version. | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
19 | * MA 02110-1301, USA. | ||
20 | */ | ||
21 | |||
22 | #include <linux/gpio.h> | ||
23 | #include <linux/irq.h> | ||
24 | #include <linux/platform_device.h> | ||
25 | #include <linux/spi/spi.h> | ||
26 | #include <linux/spi/ads7846.h> | ||
27 | #include <linux/backlight.h> | ||
28 | #include <video/platform_lcd.h> | ||
29 | #include <linux/input/matrix_keypad.h> | ||
30 | |||
31 | #include <asm/mach/arch.h> | ||
32 | |||
33 | #include <mach/common.h> | ||
34 | #include <mach/iomux-mx27.h> | ||
35 | #include <mach/imxfb.h> | ||
36 | #include <mach/hardware.h> | ||
37 | #include <mach/mmc.h> | ||
38 | #include <mach/spi.h> | ||
39 | #include <mach/ssi.h> | ||
40 | #include <mach/audmux.h> | ||
41 | |||
42 | #include "devices-imx27.h" | ||
43 | #include "devices.h" | ||
44 | |||
45 | static int eukrea_mbimx27_pins[] = { | ||
46 | /* UART2 */ | ||
47 | PE3_PF_UART2_CTS, | ||
48 | PE4_PF_UART2_RTS, | ||
49 | PE6_PF_UART2_TXD, | ||
50 | PE7_PF_UART2_RXD, | ||
51 | /* UART3 */ | ||
52 | PE8_PF_UART3_TXD, | ||
53 | PE9_PF_UART3_RXD, | ||
54 | PE10_PF_UART3_CTS, | ||
55 | PE11_PF_UART3_RTS, | ||
56 | /* UART4 */ | ||
57 | #if !defined(MACH_EUKREA_CPUIMX27_USEUART4) | ||
58 | PB26_AF_UART4_RTS, | ||
59 | PB28_AF_UART4_TXD, | ||
60 | PB29_AF_UART4_CTS, | ||
61 | PB31_AF_UART4_RXD, | ||
62 | #endif | ||
63 | /* SDHC1*/ | ||
64 | PE18_PF_SD1_D0, | ||
65 | PE19_PF_SD1_D1, | ||
66 | PE20_PF_SD1_D2, | ||
67 | PE21_PF_SD1_D3, | ||
68 | PE22_PF_SD1_CMD, | ||
69 | PE23_PF_SD1_CLK, | ||
70 | /* display */ | ||
71 | PA5_PF_LSCLK, | ||
72 | PA6_PF_LD0, | ||
73 | PA7_PF_LD1, | ||
74 | PA8_PF_LD2, | ||
75 | PA9_PF_LD3, | ||
76 | PA10_PF_LD4, | ||
77 | PA11_PF_LD5, | ||
78 | PA12_PF_LD6, | ||
79 | PA13_PF_LD7, | ||
80 | PA14_PF_LD8, | ||
81 | PA15_PF_LD9, | ||
82 | PA16_PF_LD10, | ||
83 | PA17_PF_LD11, | ||
84 | PA18_PF_LD12, | ||
85 | PA19_PF_LD13, | ||
86 | PA20_PF_LD14, | ||
87 | PA21_PF_LD15, | ||
88 | PA22_PF_LD16, | ||
89 | PA23_PF_LD17, | ||
90 | PA28_PF_HSYNC, | ||
91 | PA29_PF_VSYNC, | ||
92 | PA30_PF_CONTRAST, | ||
93 | PA31_PF_OE_ACD, | ||
94 | /* SPI1 */ | ||
95 | PD29_PF_CSPI1_SCLK, | ||
96 | PD30_PF_CSPI1_MISO, | ||
97 | PD31_PF_CSPI1_MOSI, | ||
98 | /* SSI4 */ | ||
99 | #if defined(CONFIG_SND_SOC_EUKREA_TLV320) \ | ||
100 | || defined(CONFIG_SND_SOC_EUKREA_TLV320_MODULE) | ||
101 | PC16_PF_SSI4_FS, | ||
102 | PC17_PF_SSI4_RXD | GPIO_PUEN, | ||
103 | PC18_PF_SSI4_TXD | GPIO_PUEN, | ||
104 | PC19_PF_SSI4_CLK, | ||
105 | #endif | ||
106 | }; | ||
107 | |||
108 | static const uint32_t eukrea_mbimx27_keymap[] = { | ||
109 | KEY(0, 0, KEY_UP), | ||
110 | KEY(0, 1, KEY_DOWN), | ||
111 | KEY(1, 0, KEY_RIGHT), | ||
112 | KEY(1, 1, KEY_LEFT), | ||
113 | }; | ||
114 | |||
115 | static struct matrix_keymap_data eukrea_mbimx27_keymap_data = { | ||
116 | .keymap = eukrea_mbimx27_keymap, | ||
117 | .keymap_size = ARRAY_SIZE(eukrea_mbimx27_keymap), | ||
118 | }; | ||
119 | |||
120 | static struct gpio_led gpio_leds[] = { | ||
121 | { | ||
122 | .name = "led1", | ||
123 | .default_trigger = "heartbeat", | ||
124 | .active_low = 1, | ||
125 | .gpio = GPIO_PORTF | 16, | ||
126 | }, | ||
127 | { | ||
128 | .name = "led2", | ||
129 | .default_trigger = "none", | ||
130 | .active_low = 1, | ||
131 | .gpio = GPIO_PORTF | 19, | ||
132 | }, | ||
133 | }; | ||
134 | |||
135 | static struct gpio_led_platform_data gpio_led_info = { | ||
136 | .leds = gpio_leds, | ||
137 | .num_leds = ARRAY_SIZE(gpio_leds), | ||
138 | }; | ||
139 | |||
140 | static struct platform_device leds_gpio = { | ||
141 | .name = "leds-gpio", | ||
142 | .id = -1, | ||
143 | .dev = { | ||
144 | .platform_data = &gpio_led_info, | ||
145 | }, | ||
146 | }; | ||
147 | |||
148 | static struct imx_fb_videomode eukrea_mbimx27_modes[] = { | ||
149 | { | ||
150 | .mode = { | ||
151 | .name = "CMO-QVGA", | ||
152 | .refresh = 60, | ||
153 | .xres = 320, | ||
154 | .yres = 240, | ||
155 | .pixclock = 156000, | ||
156 | .hsync_len = 30, | ||
157 | .left_margin = 38, | ||
158 | .right_margin = 20, | ||
159 | .vsync_len = 3, | ||
160 | .upper_margin = 15, | ||
161 | .lower_margin = 4, | ||
162 | }, | ||
163 | .pcr = 0xFAD08B80, | ||
164 | .bpp = 16, | ||
165 | }, { | ||
166 | .mode = { | ||
167 | .name = "DVI-VGA", | ||
168 | .refresh = 60, | ||
169 | .xres = 640, | ||
170 | .yres = 480, | ||
171 | .pixclock = 32000, | ||
172 | .hsync_len = 1, | ||
173 | .left_margin = 35, | ||
174 | .right_margin = 0, | ||
175 | .vsync_len = 1, | ||
176 | .upper_margin = 7, | ||
177 | .lower_margin = 0, | ||
178 | }, | ||
179 | .pcr = 0xFA208B80, | ||
180 | .bpp = 16, | ||
181 | }, { | ||
182 | .mode = { | ||
183 | .name = "DVI-SVGA", | ||
184 | .refresh = 60, | ||
185 | .xres = 800, | ||
186 | .yres = 600, | ||
187 | .pixclock = 25000, | ||
188 | .hsync_len = 1, | ||
189 | .left_margin = 35, | ||
190 | .right_margin = 0, | ||
191 | .vsync_len = 1, | ||
192 | .upper_margin = 7, | ||
193 | .lower_margin = 0, | ||
194 | }, | ||
195 | .pcr = 0xFA208B80, | ||
196 | .bpp = 16, | ||
197 | }, | ||
198 | }; | ||
199 | |||
200 | static struct imx_fb_platform_data eukrea_mbimx27_fb_data = { | ||
201 | .mode = eukrea_mbimx27_modes, | ||
202 | .num_modes = ARRAY_SIZE(eukrea_mbimx27_modes), | ||
203 | |||
204 | .pwmr = 0x00A903FF, | ||
205 | .lscr1 = 0x00120300, | ||
206 | .dmacr = 0x00040060, | ||
207 | }; | ||
208 | |||
209 | static void eukrea_mbimx27_bl_set_intensity(int intensity) | ||
210 | { | ||
211 | if (intensity) | ||
212 | gpio_direction_output(GPIO_PORTE | 5, 1); | ||
213 | else | ||
214 | gpio_direction_output(GPIO_PORTE | 5, 0); | ||
215 | } | ||
216 | |||
217 | static struct generic_bl_info eukrea_mbimx27_bl_info = { | ||
218 | .name = "eukrea_mbimx27-bl", | ||
219 | .max_intensity = 0xff, | ||
220 | .default_intensity = 0xff, | ||
221 | .set_bl_intensity = eukrea_mbimx27_bl_set_intensity, | ||
222 | }; | ||
223 | |||
224 | static struct platform_device eukrea_mbimx27_bl_dev = { | ||
225 | .name = "generic-bl", | ||
226 | .id = 1, | ||
227 | .dev = { | ||
228 | .platform_data = &eukrea_mbimx27_bl_info, | ||
229 | }, | ||
230 | }; | ||
231 | |||
232 | static void eukrea_mbimx27_lcd_power_set(struct plat_lcd_data *pd, | ||
233 | unsigned int power) | ||
234 | { | ||
235 | if (power) | ||
236 | gpio_direction_output(GPIO_PORTA | 25, 1); | ||
237 | else | ||
238 | gpio_direction_output(GPIO_PORTA | 25, 0); | ||
239 | } | ||
240 | |||
241 | static struct plat_lcd_data eukrea_mbimx27_lcd_power_data = { | ||
242 | .set_power = eukrea_mbimx27_lcd_power_set, | ||
243 | }; | ||
244 | |||
245 | static struct platform_device eukrea_mbimx27_lcd_powerdev = { | ||
246 | .name = "platform-lcd", | ||
247 | .dev.platform_data = &eukrea_mbimx27_lcd_power_data, | ||
248 | }; | ||
249 | |||
250 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
251 | .flags = IMXUART_HAVE_RTSCTS, | ||
252 | }; | ||
253 | |||
254 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) \ | ||
255 | || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | ||
256 | |||
257 | #define ADS7846_PENDOWN (GPIO_PORTD | 25) | ||
258 | |||
259 | static void ads7846_dev_init(void) | ||
260 | { | ||
261 | if (gpio_request(ADS7846_PENDOWN, "ADS7846 pendown") < 0) { | ||
262 | printk(KERN_ERR "can't get ads746 pen down GPIO\n"); | ||
263 | return; | ||
264 | } | ||
265 | gpio_direction_input(ADS7846_PENDOWN); | ||
266 | } | ||
267 | |||
268 | static int ads7846_get_pendown_state(void) | ||
269 | { | ||
270 | return !gpio_get_value(ADS7846_PENDOWN); | ||
271 | } | ||
272 | |||
273 | static struct ads7846_platform_data ads7846_config __initdata = { | ||
274 | .get_pendown_state = ads7846_get_pendown_state, | ||
275 | .keep_vref_on = 1, | ||
276 | }; | ||
277 | #endif | ||
278 | |||
279 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
280 | static struct spi_board_info eukrea_mbimx27_spi_board_info[] __initdata = { | ||
281 | [0] = { | ||
282 | .modalias = "ads7846", | ||
283 | .bus_num = 0, | ||
284 | .chip_select = 0, | ||
285 | .max_speed_hz = 1500000, | ||
286 | .irq = IRQ_GPIOD(25), | ||
287 | .platform_data = &ads7846_config, | ||
288 | .mode = SPI_MODE_2, | ||
289 | }, | ||
290 | }; | ||
291 | |||
292 | static int eukrea_mbimx27_spi_cs[] = {GPIO_PORTD | 28}; | ||
293 | |||
294 | static const struct spi_imx_master eukrea_mbimx27_spi0_data __initconst = { | ||
295 | .chipselect = eukrea_mbimx27_spi_cs, | ||
296 | .num_chipselect = ARRAY_SIZE(eukrea_mbimx27_spi_cs), | ||
297 | }; | ||
298 | #endif | ||
299 | |||
300 | static struct i2c_board_info eukrea_mbimx27_i2c_devices[] = { | ||
301 | { | ||
302 | I2C_BOARD_INFO("tlv320aic23", 0x1a), | ||
303 | }, | ||
304 | }; | ||
305 | |||
306 | static struct platform_device *platform_devices[] __initdata = { | ||
307 | &leds_gpio, | ||
308 | }; | ||
309 | |||
310 | static struct imxmmc_platform_data sdhc_pdata = { | ||
311 | .dat3_card_detect = 1, | ||
312 | }; | ||
313 | |||
314 | struct imx_ssi_platform_data eukrea_mbimx27_ssi_pdata = { | ||
315 | .flags = IMX_SSI_DMA | IMX_SSI_USE_I2S_SLAVE, | ||
316 | }; | ||
317 | |||
318 | /* | ||
319 | * system init for baseboard usage. Will be called by cpuimx27 init. | ||
320 | * | ||
321 | * Add platform devices present on this baseboard and init | ||
322 | * them from CPU side as far as required to use them later on | ||
323 | */ | ||
324 | void __init eukrea_mbimx27_baseboard_init(void) | ||
325 | { | ||
326 | mxc_gpio_setup_multiple_pins(eukrea_mbimx27_pins, | ||
327 | ARRAY_SIZE(eukrea_mbimx27_pins), "MBIMX27"); | ||
328 | |||
329 | #if defined(CONFIG_SND_SOC_EUKREA_TLV320) \ | ||
330 | || defined(CONFIG_SND_SOC_EUKREA_TLV320_MODULE) | ||
331 | /* SSI unit master I2S codec connected to SSI_PINS_4*/ | ||
332 | mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, | ||
333 | MXC_AUDMUX_V1_PCR_SYN | | ||
334 | MXC_AUDMUX_V1_PCR_TFSDIR | | ||
335 | MXC_AUDMUX_V1_PCR_TCLKDIR | | ||
336 | MXC_AUDMUX_V1_PCR_RFSDIR | | ||
337 | MXC_AUDMUX_V1_PCR_RCLKDIR | | ||
338 | MXC_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) | | ||
339 | MXC_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) | | ||
340 | MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) | ||
341 | ); | ||
342 | mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4, | ||
343 | MXC_AUDMUX_V1_PCR_SYN | | ||
344 | MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0) | ||
345 | ); | ||
346 | #endif | ||
347 | |||
348 | imx27_add_imx_uart1(&uart_pdata); | ||
349 | imx27_add_imx_uart2(&uart_pdata); | ||
350 | #if !defined(MACH_EUKREA_CPUIMX27_USEUART4) | ||
351 | imx27_add_imx_uart3(&uart_pdata); | ||
352 | #endif | ||
353 | |||
354 | mxc_register_device(&mxc_fb_device, &eukrea_mbimx27_fb_data); | ||
355 | mxc_register_device(&mxc_sdhc_device0, &sdhc_pdata); | ||
356 | |||
357 | i2c_register_board_info(0, eukrea_mbimx27_i2c_devices, | ||
358 | ARRAY_SIZE(eukrea_mbimx27_i2c_devices)); | ||
359 | |||
360 | mxc_register_device(&imx_ssi_device0, &eukrea_mbimx27_ssi_pdata); | ||
361 | |||
362 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) \ | ||
363 | || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | ||
364 | /* ADS7846 Touchscreen controller init */ | ||
365 | mxc_gpio_mode(GPIO_PORTD | 25 | GPIO_GPIO | GPIO_IN); | ||
366 | ads7846_dev_init(); | ||
367 | #endif | ||
368 | |||
369 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
370 | /* SPI_CS0 init */ | ||
371 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); | ||
372 | imx27_add_spi_imx0(&eukrea_mbimx27_spi0_data); | ||
373 | spi_register_board_info(eukrea_mbimx27_spi_board_info, | ||
374 | ARRAY_SIZE(eukrea_mbimx27_spi_board_info)); | ||
375 | #endif | ||
376 | |||
377 | /* Leds configuration */ | ||
378 | mxc_gpio_mode(GPIO_PORTF | 16 | GPIO_GPIO | GPIO_OUT); | ||
379 | mxc_gpio_mode(GPIO_PORTF | 19 | GPIO_GPIO | GPIO_OUT); | ||
380 | /* Backlight */ | ||
381 | mxc_gpio_mode(GPIO_PORTE | 5 | GPIO_GPIO | GPIO_OUT); | ||
382 | gpio_request(GPIO_PORTE | 5, "backlight"); | ||
383 | platform_device_register(&eukrea_mbimx27_bl_dev); | ||
384 | /* LCD Reset */ | ||
385 | mxc_gpio_mode(GPIO_PORTA | 25 | GPIO_GPIO | GPIO_OUT); | ||
386 | gpio_request(GPIO_PORTA | 25, "lcd_enable"); | ||
387 | platform_device_register(&eukrea_mbimx27_lcd_powerdev); | ||
388 | |||
389 | mxc_register_device(&imx_kpp_device, &eukrea_mbimx27_keymap_data); | ||
390 | |||
391 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
392 | } | ||
diff --git a/arch/arm/mach-imx/include/mach/dma-mx1-mx2.h b/arch/arm/mach-imx/include/mach/dma-mx1-mx2.h new file mode 100644 index 000000000000..df5f522da6b3 --- /dev/null +++ b/arch/arm/mach-imx/include/mach/dma-mx1-mx2.h | |||
@@ -0,0 +1,10 @@ | |||
1 | #ifndef __MACH_DMA_MX1_MX2_H__ | ||
2 | #define __MACH_DMA_MX1_MX2_H__ | ||
3 | /* | ||
4 | * Don't use this header in new code, it will go away when all users are | ||
5 | * converted to mach/dma-v1.h | ||
6 | */ | ||
7 | |||
8 | #include <mach/dma-v1.h> | ||
9 | |||
10 | #endif /* ifndef __MACH_DMA_MX1_MX2_H__ */ | ||
diff --git a/arch/arm/mach-imx/include/mach/dma-v1.h b/arch/arm/mach-imx/include/mach/dma-v1.h new file mode 100644 index 000000000000..287431cc13e5 --- /dev/null +++ b/arch/arm/mach-imx/include/mach/dma-v1.h | |||
@@ -0,0 +1,107 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-imx/include/mach/dma-v1.h | ||
3 | * | ||
4 | * i.MX DMA registration and IRQ dispatching | ||
5 | * | ||
6 | * Copyright 2006 Pavel Pisa <pisa@cmp.felk.cvut.cz> | ||
7 | * Copyright 2008 Juergen Beisert, <kernel@pengutronix.de> | ||
8 | * Copyright 2008 Sascha Hauer, <s.hauer@pengutronix.de> | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or | ||
11 | * modify it under the terms of the GNU General Public License | ||
12 | * as published by the Free Software Foundation; either version 2 | ||
13 | * of the License, or (at your option) any later version. | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
22 | * MA 02110-1301, USA. | ||
23 | */ | ||
24 | |||
25 | #ifndef __MACH_DMA_V1_H__ | ||
26 | #define __MACH_DMA_V1_H__ | ||
27 | |||
28 | #define imx_has_dma_v1() (cpu_is_mx1() || cpu_is_mx21() || cpu_is_mx27()) | ||
29 | |||
30 | #define IMX_DMA_CHANNELS 16 | ||
31 | |||
32 | #define DMA_MODE_READ 0 | ||
33 | #define DMA_MODE_WRITE 1 | ||
34 | #define DMA_MODE_MASK 1 | ||
35 | |||
36 | #define MX1_DMA_REG(offset) MX1_IO_ADDRESS(MX1_DMA_BASE_ADDR + (offset)) | ||
37 | |||
38 | /* DMA Interrupt Mask Register */ | ||
39 | #define MX1_DMA_DIMR MX1_DMA_REG(0x08) | ||
40 | |||
41 | /* Channel Control Register */ | ||
42 | #define MX1_DMA_CCR(x) MX1_DMA_REG(0x8c + ((x) << 6)) | ||
43 | |||
44 | #define IMX_DMA_MEMSIZE_32 (0 << 4) | ||
45 | #define IMX_DMA_MEMSIZE_8 (1 << 4) | ||
46 | #define IMX_DMA_MEMSIZE_16 (2 << 4) | ||
47 | #define IMX_DMA_TYPE_LINEAR (0 << 10) | ||
48 | #define IMX_DMA_TYPE_2D (1 << 10) | ||
49 | #define IMX_DMA_TYPE_FIFO (2 << 10) | ||
50 | |||
51 | #define IMX_DMA_ERR_BURST (1 << 0) | ||
52 | #define IMX_DMA_ERR_REQUEST (1 << 1) | ||
53 | #define IMX_DMA_ERR_TRANSFER (1 << 2) | ||
54 | #define IMX_DMA_ERR_BUFFER (1 << 3) | ||
55 | #define IMX_DMA_ERR_TIMEOUT (1 << 4) | ||
56 | |||
57 | int | ||
58 | imx_dma_config_channel(int channel, unsigned int config_port, | ||
59 | unsigned int config_mem, unsigned int dmareq, int hw_chaining); | ||
60 | |||
61 | void | ||
62 | imx_dma_config_burstlen(int channel, unsigned int burstlen); | ||
63 | |||
64 | int | ||
65 | imx_dma_setup_single(int channel, dma_addr_t dma_address, | ||
66 | unsigned int dma_length, unsigned int dev_addr, | ||
67 | unsigned int dmamode); | ||
68 | |||
69 | |||
70 | /* | ||
71 | * Use this flag as the dma_length argument to imx_dma_setup_sg() | ||
72 | * to create an endless running dma loop. The end of the scatterlist | ||
73 | * must be linked to the beginning for this to work. | ||
74 | */ | ||
75 | #define IMX_DMA_LENGTH_LOOP ((unsigned int)-1) | ||
76 | |||
77 | int | ||
78 | imx_dma_setup_sg(int channel, struct scatterlist *sg, | ||
79 | unsigned int sgcount, unsigned int dma_length, | ||
80 | unsigned int dev_addr, unsigned int dmamode); | ||
81 | |||
82 | int | ||
83 | imx_dma_setup_handlers(int channel, | ||
84 | void (*irq_handler) (int, void *), | ||
85 | void (*err_handler) (int, void *, int), void *data); | ||
86 | |||
87 | int | ||
88 | imx_dma_setup_progression_handler(int channel, | ||
89 | void (*prog_handler) (int, void*, struct scatterlist*)); | ||
90 | |||
91 | void imx_dma_enable(int channel); | ||
92 | |||
93 | void imx_dma_disable(int channel); | ||
94 | |||
95 | int imx_dma_request(int channel, const char *name); | ||
96 | |||
97 | void imx_dma_free(int channel); | ||
98 | |||
99 | enum imx_dma_prio { | ||
100 | DMA_PRIO_HIGH = 0, | ||
101 | DMA_PRIO_MEDIUM = 1, | ||
102 | DMA_PRIO_LOW = 2 | ||
103 | }; | ||
104 | |||
105 | int imx_dma_request_by_prio(const char *name, enum imx_dma_prio prio); | ||
106 | |||
107 | #endif /* __MACH_DMA_V1_H__ */ | ||
diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c new file mode 100644 index 000000000000..575ff1ae85a7 --- /dev/null +++ b/arch/arm/mach-imx/mach-cpuimx27.c | |||
@@ -0,0 +1,317 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2009 Eric Benard - eric@eukrea.com | ||
3 | * | ||
4 | * Based on pcm038.c which is : | ||
5 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | ||
6 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU General Public License | ||
10 | * as published by the Free Software Foundation; either version 2 | ||
11 | * of the License, or (at your option) any later version. | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
20 | * MA 02110-1301, USA. | ||
21 | */ | ||
22 | |||
23 | #include <linux/i2c.h> | ||
24 | #include <linux/io.h> | ||
25 | #include <linux/mtd/plat-ram.h> | ||
26 | #include <linux/mtd/physmap.h> | ||
27 | #include <linux/platform_device.h> | ||
28 | #include <linux/serial_8250.h> | ||
29 | #include <linux/usb/otg.h> | ||
30 | #include <linux/usb/ulpi.h> | ||
31 | #include <linux/fsl_devices.h> | ||
32 | |||
33 | #include <asm/mach-types.h> | ||
34 | #include <asm/mach/arch.h> | ||
35 | #include <asm/mach/time.h> | ||
36 | #include <asm/mach/map.h> | ||
37 | |||
38 | #include <mach/eukrea-baseboards.h> | ||
39 | #include <mach/common.h> | ||
40 | #include <mach/hardware.h> | ||
41 | #include <mach/iomux-mx27.h> | ||
42 | #include <mach/mxc_nand.h> | ||
43 | #include <mach/mxc_ehci.h> | ||
44 | #include <mach/ulpi.h> | ||
45 | |||
46 | #include "devices-imx27.h" | ||
47 | #include "devices.h" | ||
48 | |||
49 | static int eukrea_cpuimx27_pins[] = { | ||
50 | /* UART1 */ | ||
51 | PE12_PF_UART1_TXD, | ||
52 | PE13_PF_UART1_RXD, | ||
53 | PE14_PF_UART1_CTS, | ||
54 | PE15_PF_UART1_RTS, | ||
55 | /* UART4 */ | ||
56 | #if defined(MACH_EUKREA_CPUIMX27_USEUART4) | ||
57 | PB26_AF_UART4_RTS, | ||
58 | PB28_AF_UART4_TXD, | ||
59 | PB29_AF_UART4_CTS, | ||
60 | PB31_AF_UART4_RXD, | ||
61 | #endif | ||
62 | /* FEC */ | ||
63 | PD0_AIN_FEC_TXD0, | ||
64 | PD1_AIN_FEC_TXD1, | ||
65 | PD2_AIN_FEC_TXD2, | ||
66 | PD3_AIN_FEC_TXD3, | ||
67 | PD4_AOUT_FEC_RX_ER, | ||
68 | PD5_AOUT_FEC_RXD1, | ||
69 | PD6_AOUT_FEC_RXD2, | ||
70 | PD7_AOUT_FEC_RXD3, | ||
71 | PD8_AF_FEC_MDIO, | ||
72 | PD9_AIN_FEC_MDC, | ||
73 | PD10_AOUT_FEC_CRS, | ||
74 | PD11_AOUT_FEC_TX_CLK, | ||
75 | PD12_AOUT_FEC_RXD0, | ||
76 | PD13_AOUT_FEC_RX_DV, | ||
77 | PD14_AOUT_FEC_RX_CLK, | ||
78 | PD15_AOUT_FEC_COL, | ||
79 | PD16_AIN_FEC_TX_ER, | ||
80 | PF23_AIN_FEC_TX_EN, | ||
81 | /* I2C1 */ | ||
82 | PD17_PF_I2C_DATA, | ||
83 | PD18_PF_I2C_CLK, | ||
84 | /* SDHC2 */ | ||
85 | #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) | ||
86 | PB4_PF_SD2_D0, | ||
87 | PB5_PF_SD2_D1, | ||
88 | PB6_PF_SD2_D2, | ||
89 | PB7_PF_SD2_D3, | ||
90 | PB8_PF_SD2_CMD, | ||
91 | PB9_PF_SD2_CLK, | ||
92 | #endif | ||
93 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | ||
94 | /* Quad UART's IRQ */ | ||
95 | GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN, | ||
96 | GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN, | ||
97 | GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN, | ||
98 | GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN, | ||
99 | #endif | ||
100 | /* OTG */ | ||
101 | PC7_PF_USBOTG_DATA5, | ||
102 | PC8_PF_USBOTG_DATA6, | ||
103 | PC9_PF_USBOTG_DATA0, | ||
104 | PC10_PF_USBOTG_DATA2, | ||
105 | PC11_PF_USBOTG_DATA1, | ||
106 | PC12_PF_USBOTG_DATA4, | ||
107 | PC13_PF_USBOTG_DATA3, | ||
108 | PE0_PF_USBOTG_NXT, | ||
109 | PE1_PF_USBOTG_STP, | ||
110 | PE2_PF_USBOTG_DIR, | ||
111 | PE24_PF_USBOTG_CLK, | ||
112 | PE25_PF_USBOTG_DATA7, | ||
113 | /* USBH2 */ | ||
114 | PA0_PF_USBH2_CLK, | ||
115 | PA1_PF_USBH2_DIR, | ||
116 | PA2_PF_USBH2_DATA7, | ||
117 | PA3_PF_USBH2_NXT, | ||
118 | PA4_PF_USBH2_STP, | ||
119 | PD19_AF_USBH2_DATA4, | ||
120 | PD20_AF_USBH2_DATA3, | ||
121 | PD21_AF_USBH2_DATA6, | ||
122 | PD22_AF_USBH2_DATA0, | ||
123 | PD23_AF_USBH2_DATA2, | ||
124 | PD24_AF_USBH2_DATA1, | ||
125 | PD26_AF_USBH2_DATA5, | ||
126 | }; | ||
127 | |||
128 | static struct physmap_flash_data eukrea_cpuimx27_flash_data = { | ||
129 | .width = 2, | ||
130 | }; | ||
131 | |||
132 | static struct resource eukrea_cpuimx27_flash_resource = { | ||
133 | .start = 0xc0000000, | ||
134 | .end = 0xc3ffffff, | ||
135 | .flags = IORESOURCE_MEM, | ||
136 | }; | ||
137 | |||
138 | static struct platform_device eukrea_cpuimx27_nor_mtd_device = { | ||
139 | .name = "physmap-flash", | ||
140 | .id = 0, | ||
141 | .dev = { | ||
142 | .platform_data = &eukrea_cpuimx27_flash_data, | ||
143 | }, | ||
144 | .num_resources = 1, | ||
145 | .resource = &eukrea_cpuimx27_flash_resource, | ||
146 | }; | ||
147 | |||
148 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
149 | .flags = IMXUART_HAVE_RTSCTS, | ||
150 | }; | ||
151 | |||
152 | static const struct mxc_nand_platform_data | ||
153 | cpuimx27_nand_board_info __initconst = { | ||
154 | .width = 1, | ||
155 | .hw_ecc = 1, | ||
156 | }; | ||
157 | |||
158 | static struct platform_device *platform_devices[] __initdata = { | ||
159 | &eukrea_cpuimx27_nor_mtd_device, | ||
160 | &mxc_fec_device, | ||
161 | &mxc_wdt, | ||
162 | &mxc_w1_master_device, | ||
163 | }; | ||
164 | |||
165 | static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = { | ||
166 | .bitrate = 100000, | ||
167 | }; | ||
168 | |||
169 | static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = { | ||
170 | { | ||
171 | I2C_BOARD_INFO("pcf8563", 0x51), | ||
172 | }, | ||
173 | }; | ||
174 | |||
175 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | ||
176 | static struct plat_serial8250_port serial_platform_data[] = { | ||
177 | { | ||
178 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000), | ||
179 | .irq = IRQ_GPIOB(23), | ||
180 | .uartclk = 14745600, | ||
181 | .regshift = 1, | ||
182 | .iotype = UPIO_MEM, | ||
183 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
184 | }, { | ||
185 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000), | ||
186 | .irq = IRQ_GPIOB(22), | ||
187 | .uartclk = 14745600, | ||
188 | .regshift = 1, | ||
189 | .iotype = UPIO_MEM, | ||
190 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
191 | }, { | ||
192 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000), | ||
193 | .irq = IRQ_GPIOB(27), | ||
194 | .uartclk = 14745600, | ||
195 | .regshift = 1, | ||
196 | .iotype = UPIO_MEM, | ||
197 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
198 | }, { | ||
199 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000), | ||
200 | .irq = IRQ_GPIOB(30), | ||
201 | .uartclk = 14745600, | ||
202 | .regshift = 1, | ||
203 | .iotype = UPIO_MEM, | ||
204 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
205 | }, { | ||
206 | } | ||
207 | }; | ||
208 | |||
209 | static struct platform_device serial_device = { | ||
210 | .name = "serial8250", | ||
211 | .id = 0, | ||
212 | .dev = { | ||
213 | .platform_data = serial_platform_data, | ||
214 | }, | ||
215 | }; | ||
216 | #endif | ||
217 | |||
218 | #if defined(CONFIG_USB_ULPI) | ||
219 | static struct mxc_usbh_platform_data otg_pdata = { | ||
220 | .portsc = MXC_EHCI_MODE_ULPI, | ||
221 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | ||
222 | }; | ||
223 | |||
224 | static struct mxc_usbh_platform_data usbh2_pdata = { | ||
225 | .portsc = MXC_EHCI_MODE_ULPI, | ||
226 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | ||
227 | }; | ||
228 | #endif | ||
229 | |||
230 | static struct fsl_usb2_platform_data otg_device_pdata = { | ||
231 | .operating_mode = FSL_USB2_DR_DEVICE, | ||
232 | .phy_mode = FSL_USB2_PHY_ULPI, | ||
233 | }; | ||
234 | |||
235 | static int otg_mode_host; | ||
236 | |||
237 | static int __init eukrea_cpuimx27_otg_mode(char *options) | ||
238 | { | ||
239 | if (!strcmp(options, "host")) | ||
240 | otg_mode_host = 1; | ||
241 | else if (!strcmp(options, "device")) | ||
242 | otg_mode_host = 0; | ||
243 | else | ||
244 | pr_info("otg_mode neither \"host\" nor \"device\". " | ||
245 | "Defaulting to device\n"); | ||
246 | return 0; | ||
247 | } | ||
248 | __setup("otg_mode=", eukrea_cpuimx27_otg_mode); | ||
249 | |||
250 | static void __init eukrea_cpuimx27_init(void) | ||
251 | { | ||
252 | mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins, | ||
253 | ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27"); | ||
254 | |||
255 | imx27_add_imx_uart0(&uart_pdata); | ||
256 | |||
257 | imx27_add_mxc_nand(&cpuimx27_nand_board_info); | ||
258 | |||
259 | i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices, | ||
260 | ARRAY_SIZE(eukrea_cpuimx27_i2c_devices)); | ||
261 | |||
262 | imx27_add_i2c_imx1(&cpuimx27_i2c1_data); | ||
263 | |||
264 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
265 | |||
266 | #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) | ||
267 | /* SDHC2 can be used for Wifi */ | ||
268 | mxc_register_device(&mxc_sdhc_device1, NULL); | ||
269 | #endif | ||
270 | #if defined(MACH_EUKREA_CPUIMX27_USEUART4) | ||
271 | /* in which case UART4 is also used for Bluetooth */ | ||
272 | imx27_add_imx_uart3(&uart_pdata); | ||
273 | #endif | ||
274 | |||
275 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | ||
276 | platform_device_register(&serial_device); | ||
277 | #endif | ||
278 | |||
279 | #if defined(CONFIG_USB_ULPI) | ||
280 | if (otg_mode_host) { | ||
281 | otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | ||
282 | USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); | ||
283 | |||
284 | mxc_register_device(&mxc_otg_host, &otg_pdata); | ||
285 | } | ||
286 | |||
287 | usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | ||
288 | USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); | ||
289 | |||
290 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); | ||
291 | #endif | ||
292 | if (!otg_mode_host) | ||
293 | mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); | ||
294 | |||
295 | #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD | ||
296 | eukrea_mbimx27_baseboard_init(); | ||
297 | #endif | ||
298 | } | ||
299 | |||
300 | static void __init eukrea_cpuimx27_timer_init(void) | ||
301 | { | ||
302 | mx27_clocks_init(26000000); | ||
303 | } | ||
304 | |||
305 | static struct sys_timer eukrea_cpuimx27_timer = { | ||
306 | .init = eukrea_cpuimx27_timer_init, | ||
307 | }; | ||
308 | |||
309 | MACHINE_START(CPUIMX27, "EUKREA CPUIMX27") | ||
310 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
311 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
312 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
313 | .map_io = mx27_map_io, | ||
314 | .init_irq = mx27_init_irq, | ||
315 | .init_machine = eukrea_cpuimx27_init, | ||
316 | .timer = &eukrea_cpuimx27_timer, | ||
317 | MACHINE_END | ||
diff --git a/arch/arm/mach-imx/mach-imx27lite.c b/arch/arm/mach-imx/mach-imx27lite.c new file mode 100644 index 000000000000..22a2b5d91213 --- /dev/null +++ b/arch/arm/mach-imx/mach-imx27lite.c | |||
@@ -0,0 +1,90 @@ | |||
1 | /* | ||
2 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | ||
3 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
4 | * Copyright 2009 Daniel Schaeffer (daniel.schaeffer@timesys.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | */ | ||
16 | |||
17 | #include <linux/platform_device.h> | ||
18 | #include <linux/gpio.h> | ||
19 | #include <asm/mach-types.h> | ||
20 | #include <asm/mach/arch.h> | ||
21 | #include <asm/mach/time.h> | ||
22 | #include <asm/mach/map.h> | ||
23 | #include <mach/hardware.h> | ||
24 | #include <mach/common.h> | ||
25 | #include <mach/iomux-mx27.h> | ||
26 | |||
27 | #include "devices-imx27.h" | ||
28 | #include "devices.h" | ||
29 | |||
30 | static unsigned int mx27lite_pins[] = { | ||
31 | /* UART1 */ | ||
32 | PE12_PF_UART1_TXD, | ||
33 | PE13_PF_UART1_RXD, | ||
34 | PE14_PF_UART1_CTS, | ||
35 | PE15_PF_UART1_RTS, | ||
36 | /* FEC */ | ||
37 | PD0_AIN_FEC_TXD0, | ||
38 | PD1_AIN_FEC_TXD1, | ||
39 | PD2_AIN_FEC_TXD2, | ||
40 | PD3_AIN_FEC_TXD3, | ||
41 | PD4_AOUT_FEC_RX_ER, | ||
42 | PD5_AOUT_FEC_RXD1, | ||
43 | PD6_AOUT_FEC_RXD2, | ||
44 | PD7_AOUT_FEC_RXD3, | ||
45 | PD8_AF_FEC_MDIO, | ||
46 | PD9_AIN_FEC_MDC, | ||
47 | PD10_AOUT_FEC_CRS, | ||
48 | PD11_AOUT_FEC_TX_CLK, | ||
49 | PD12_AOUT_FEC_RXD0, | ||
50 | PD13_AOUT_FEC_RX_DV, | ||
51 | PD14_AOUT_FEC_RX_CLK, | ||
52 | PD15_AOUT_FEC_COL, | ||
53 | PD16_AIN_FEC_TX_ER, | ||
54 | PF23_AIN_FEC_TX_EN, | ||
55 | }; | ||
56 | |||
57 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
58 | .flags = IMXUART_HAVE_RTSCTS, | ||
59 | }; | ||
60 | |||
61 | static struct platform_device *platform_devices[] __initdata = { | ||
62 | &mxc_fec_device, | ||
63 | }; | ||
64 | |||
65 | static void __init mx27lite_init(void) | ||
66 | { | ||
67 | mxc_gpio_setup_multiple_pins(mx27lite_pins, ARRAY_SIZE(mx27lite_pins), | ||
68 | "imx27lite"); | ||
69 | imx27_add_imx_uart0(&uart_pdata); | ||
70 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
71 | } | ||
72 | |||
73 | static void __init mx27lite_timer_init(void) | ||
74 | { | ||
75 | mx27_clocks_init(26000000); | ||
76 | } | ||
77 | |||
78 | static struct sys_timer mx27lite_timer = { | ||
79 | .init = mx27lite_timer_init, | ||
80 | }; | ||
81 | |||
82 | MACHINE_START(IMX27LITE, "LogicPD i.MX27LITE") | ||
83 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
84 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
85 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
86 | .map_io = mx27_map_io, | ||
87 | .init_irq = mx27_init_irq, | ||
88 | .init_machine = mx27lite_init, | ||
89 | .timer = &mx27lite_timer, | ||
90 | MACHINE_END | ||
diff --git a/arch/arm/mach-imx/mach-mx1ads.c b/arch/arm/mach-imx/mach-mx1ads.c new file mode 100644 index 000000000000..77a760cfadc0 --- /dev/null +++ b/arch/arm/mach-imx/mach-mx1ads.c | |||
@@ -0,0 +1,165 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-imx/mach-mx1ads.c | ||
3 | * | ||
4 | * Initially based on: | ||
5 | * linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c | ||
6 | * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de> | ||
7 | * | ||
8 | * 2004 (c) MontaVista Software, Inc. | ||
9 | * | ||
10 | * This file is licensed under the terms of the GNU General Public | ||
11 | * License version 2. This program is licensed "as is" without any | ||
12 | * warranty of any kind, whether express or implied. | ||
13 | */ | ||
14 | |||
15 | #include <linux/i2c.h> | ||
16 | #include <linux/i2c/pcf857x.h> | ||
17 | #include <linux/init.h> | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/platform_device.h> | ||
20 | #include <linux/mtd/physmap.h> | ||
21 | |||
22 | #include <asm/mach-types.h> | ||
23 | #include <asm/mach/arch.h> | ||
24 | #include <asm/mach/time.h> | ||
25 | |||
26 | #include <mach/common.h> | ||
27 | #include <mach/hardware.h> | ||
28 | #include <mach/i2c.h> | ||
29 | #include <mach/iomux-mx1.h> | ||
30 | #include <mach/irqs.h> | ||
31 | |||
32 | #include "devices-imx1.h" | ||
33 | #include "devices.h" | ||
34 | |||
35 | static int mx1ads_pins[] = { | ||
36 | /* UART1 */ | ||
37 | PC9_PF_UART1_CTS, | ||
38 | PC10_PF_UART1_RTS, | ||
39 | PC11_PF_UART1_TXD, | ||
40 | PC12_PF_UART1_RXD, | ||
41 | /* UART2 */ | ||
42 | PB28_PF_UART2_CTS, | ||
43 | PB29_PF_UART2_RTS, | ||
44 | PB30_PF_UART2_TXD, | ||
45 | PB31_PF_UART2_RXD, | ||
46 | /* I2C */ | ||
47 | PA15_PF_I2C_SDA, | ||
48 | PA16_PF_I2C_SCL, | ||
49 | /* SPI */ | ||
50 | PC13_PF_SPI1_SPI_RDY, | ||
51 | PC14_PF_SPI1_SCLK, | ||
52 | PC15_PF_SPI1_SS, | ||
53 | PC16_PF_SPI1_MISO, | ||
54 | PC17_PF_SPI1_MOSI, | ||
55 | }; | ||
56 | |||
57 | /* | ||
58 | * UARTs platform data | ||
59 | */ | ||
60 | |||
61 | static const struct imxuart_platform_data uart0_pdata __initconst = { | ||
62 | .flags = IMXUART_HAVE_RTSCTS, | ||
63 | }; | ||
64 | |||
65 | static const struct imxuart_platform_data uart1_pdata __initconst = { | ||
66 | .flags = IMXUART_HAVE_RTSCTS, | ||
67 | }; | ||
68 | |||
69 | /* | ||
70 | * Physmap flash | ||
71 | */ | ||
72 | |||
73 | static struct physmap_flash_data mx1ads_flash_data = { | ||
74 | .width = 4, /* bankwidth in bytes */ | ||
75 | }; | ||
76 | |||
77 | static struct resource flash_resource = { | ||
78 | .start = MX1_CS0_PHYS, | ||
79 | .end = MX1_CS0_PHYS + SZ_32M - 1, | ||
80 | .flags = IORESOURCE_MEM, | ||
81 | }; | ||
82 | |||
83 | static struct platform_device flash_device = { | ||
84 | .name = "physmap-flash", | ||
85 | .id = 0, | ||
86 | .resource = &flash_resource, | ||
87 | .num_resources = 1, | ||
88 | }; | ||
89 | |||
90 | /* | ||
91 | * I2C | ||
92 | */ | ||
93 | static struct pcf857x_platform_data pcf857x_data[] = { | ||
94 | { | ||
95 | .gpio_base = 4 * 32, | ||
96 | }, { | ||
97 | .gpio_base = 4 * 32 + 16, | ||
98 | } | ||
99 | }; | ||
100 | |||
101 | static const struct imxi2c_platform_data mx1ads_i2c_data __initconst = { | ||
102 | .bitrate = 100000, | ||
103 | }; | ||
104 | |||
105 | static struct i2c_board_info mx1ads_i2c_devices[] = { | ||
106 | { | ||
107 | I2C_BOARD_INFO("pcf8575", 0x22), | ||
108 | .platform_data = &pcf857x_data[0], | ||
109 | }, { | ||
110 | I2C_BOARD_INFO("pcf8575", 0x24), | ||
111 | .platform_data = &pcf857x_data[1], | ||
112 | }, | ||
113 | }; | ||
114 | |||
115 | /* | ||
116 | * Board init | ||
117 | */ | ||
118 | static void __init mx1ads_init(void) | ||
119 | { | ||
120 | mxc_gpio_setup_multiple_pins(mx1ads_pins, | ||
121 | ARRAY_SIZE(mx1ads_pins), "mx1ads"); | ||
122 | |||
123 | /* UART */ | ||
124 | imx1_add_imx_uart0(&uart0_pdata); | ||
125 | imx1_add_imx_uart1(&uart1_pdata); | ||
126 | |||
127 | /* Physmap flash */ | ||
128 | mxc_register_device(&flash_device, &mx1ads_flash_data); | ||
129 | |||
130 | /* I2C */ | ||
131 | i2c_register_board_info(0, mx1ads_i2c_devices, | ||
132 | ARRAY_SIZE(mx1ads_i2c_devices)); | ||
133 | |||
134 | imx1_add_i2c_imx(&mx1ads_i2c_data); | ||
135 | } | ||
136 | |||
137 | static void __init mx1ads_timer_init(void) | ||
138 | { | ||
139 | mx1_clocks_init(32000); | ||
140 | } | ||
141 | |||
142 | struct sys_timer mx1ads_timer = { | ||
143 | .init = mx1ads_timer_init, | ||
144 | }; | ||
145 | |||
146 | MACHINE_START(MX1ADS, "Freescale MX1ADS") | ||
147 | /* Maintainer: Sascha Hauer, Pengutronix */ | ||
148 | .phys_io = MX1_IO_BASE_ADDR, | ||
149 | .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc, | ||
150 | .boot_params = MX1_PHYS_OFFSET + 0x100, | ||
151 | .map_io = mx1_map_io, | ||
152 | .init_irq = mx1_init_irq, | ||
153 | .timer = &mx1ads_timer, | ||
154 | .init_machine = mx1ads_init, | ||
155 | MACHINE_END | ||
156 | |||
157 | MACHINE_START(MXLADS, "Freescale MXLADS") | ||
158 | .phys_io = MX1_IO_BASE_ADDR, | ||
159 | .io_pg_offst = (MX1_IO_BASE_ADDR_VIRT >> 18) & 0xfffc, | ||
160 | .boot_params = MX1_PHYS_OFFSET + 0x100, | ||
161 | .map_io = mx1_map_io, | ||
162 | .init_irq = mx1_init_irq, | ||
163 | .timer = &mx1ads_timer, | ||
164 | .init_machine = mx1ads_init, | ||
165 | MACHINE_END | ||
diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c new file mode 100644 index 000000000000..96d7f8189f32 --- /dev/null +++ b/arch/arm/mach-imx/mach-mx21ads.c | |||
@@ -0,0 +1,324 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2000 Deep Blue Solutions Ltd | ||
3 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) | ||
4 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | */ | ||
16 | |||
17 | #include <linux/platform_device.h> | ||
18 | #include <linux/mtd/mtd.h> | ||
19 | #include <linux/mtd/physmap.h> | ||
20 | #include <linux/gpio.h> | ||
21 | #include <mach/common.h> | ||
22 | #include <mach/hardware.h> | ||
23 | #include <asm/mach-types.h> | ||
24 | #include <asm/mach/arch.h> | ||
25 | #include <asm/mach/time.h> | ||
26 | #include <asm/mach/map.h> | ||
27 | #include <mach/imxfb.h> | ||
28 | #include <mach/iomux-mx21.h> | ||
29 | #include <mach/mxc_nand.h> | ||
30 | #include <mach/mmc.h> | ||
31 | |||
32 | #include "devices-imx21.h" | ||
33 | #include "devices.h" | ||
34 | |||
35 | /* | ||
36 | * Memory-mapped I/O on MX21ADS base board | ||
37 | */ | ||
38 | #define MX21ADS_MMIO_BASE_ADDR 0xf5000000 | ||
39 | #define MX21ADS_MMIO_SIZE SZ_16M | ||
40 | |||
41 | #define MX21ADS_REG_ADDR(offset) (void __force __iomem *) \ | ||
42 | (MX21ADS_MMIO_BASE_ADDR + (offset)) | ||
43 | |||
44 | #define MX21ADS_CS8900A_IRQ IRQ_GPIOE(11) | ||
45 | #define MX21ADS_CS8900A_IOBASE_REG MX21ADS_REG_ADDR(0x000000) | ||
46 | #define MX21ADS_ST16C255_IOBASE_REG MX21ADS_REG_ADDR(0x200000) | ||
47 | #define MX21ADS_VERSION_REG MX21ADS_REG_ADDR(0x400000) | ||
48 | #define MX21ADS_IO_REG MX21ADS_REG_ADDR(0x800000) | ||
49 | |||
50 | /* MX21ADS_IO_REG bit definitions */ | ||
51 | #define MX21ADS_IO_SD_WP 0x0001 /* read */ | ||
52 | #define MX21ADS_IO_TP6 0x0001 /* write */ | ||
53 | #define MX21ADS_IO_SW_SEL 0x0002 /* read */ | ||
54 | #define MX21ADS_IO_TP7 0x0002 /* write */ | ||
55 | #define MX21ADS_IO_RESET_E_UART 0x0004 | ||
56 | #define MX21ADS_IO_RESET_BASE 0x0008 | ||
57 | #define MX21ADS_IO_CSI_CTL2 0x0010 | ||
58 | #define MX21ADS_IO_CSI_CTL1 0x0020 | ||
59 | #define MX21ADS_IO_CSI_CTL0 0x0040 | ||
60 | #define MX21ADS_IO_UART1_EN 0x0080 | ||
61 | #define MX21ADS_IO_UART4_EN 0x0100 | ||
62 | #define MX21ADS_IO_LCDON 0x0200 | ||
63 | #define MX21ADS_IO_IRDA_EN 0x0400 | ||
64 | #define MX21ADS_IO_IRDA_FIR_SEL 0x0800 | ||
65 | #define MX21ADS_IO_IRDA_MD0_B 0x1000 | ||
66 | #define MX21ADS_IO_IRDA_MD1 0x2000 | ||
67 | #define MX21ADS_IO_LED4_ON 0x4000 | ||
68 | #define MX21ADS_IO_LED3_ON 0x8000 | ||
69 | |||
70 | static unsigned int mx21ads_pins[] = { | ||
71 | |||
72 | /* CS8900A */ | ||
73 | (GPIO_PORTE | GPIO_GPIO | GPIO_IN | 11), | ||
74 | |||
75 | /* UART1 */ | ||
76 | PE12_PF_UART1_TXD, | ||
77 | PE13_PF_UART1_RXD, | ||
78 | PE14_PF_UART1_CTS, | ||
79 | PE15_PF_UART1_RTS, | ||
80 | |||
81 | /* UART3 (IrDA) - only TXD and RXD */ | ||
82 | PE8_PF_UART3_TXD, | ||
83 | PE9_PF_UART3_RXD, | ||
84 | |||
85 | /* UART4 */ | ||
86 | PB26_AF_UART4_RTS, | ||
87 | PB28_AF_UART4_TXD, | ||
88 | PB29_AF_UART4_CTS, | ||
89 | PB31_AF_UART4_RXD, | ||
90 | |||
91 | /* LCDC */ | ||
92 | PA5_PF_LSCLK, | ||
93 | PA6_PF_LD0, | ||
94 | PA7_PF_LD1, | ||
95 | PA8_PF_LD2, | ||
96 | PA9_PF_LD3, | ||
97 | PA10_PF_LD4, | ||
98 | PA11_PF_LD5, | ||
99 | PA12_PF_LD6, | ||
100 | PA13_PF_LD7, | ||
101 | PA14_PF_LD8, | ||
102 | PA15_PF_LD9, | ||
103 | PA16_PF_LD10, | ||
104 | PA17_PF_LD11, | ||
105 | PA18_PF_LD12, | ||
106 | PA19_PF_LD13, | ||
107 | PA20_PF_LD14, | ||
108 | PA21_PF_LD15, | ||
109 | PA22_PF_LD16, | ||
110 | PA24_PF_REV, /* Sharp panel dedicated signal */ | ||
111 | PA25_PF_CLS, /* Sharp panel dedicated signal */ | ||
112 | PA26_PF_PS, /* Sharp panel dedicated signal */ | ||
113 | PA27_PF_SPL_SPR, /* Sharp panel dedicated signal */ | ||
114 | PA28_PF_HSYNC, | ||
115 | PA29_PF_VSYNC, | ||
116 | PA30_PF_CONTRAST, | ||
117 | PA31_PF_OE_ACD, | ||
118 | |||
119 | /* MMC/SDHC */ | ||
120 | PE18_PF_SD1_D0, | ||
121 | PE19_PF_SD1_D1, | ||
122 | PE20_PF_SD1_D2, | ||
123 | PE21_PF_SD1_D3, | ||
124 | PE22_PF_SD1_CMD, | ||
125 | PE23_PF_SD1_CLK, | ||
126 | |||
127 | /* NFC */ | ||
128 | PF0_PF_NRFB, | ||
129 | PF1_PF_NFCE, | ||
130 | PF2_PF_NFWP, | ||
131 | PF3_PF_NFCLE, | ||
132 | PF4_PF_NFALE, | ||
133 | PF5_PF_NFRE, | ||
134 | PF6_PF_NFWE, | ||
135 | PF7_PF_NFIO0, | ||
136 | PF8_PF_NFIO1, | ||
137 | PF9_PF_NFIO2, | ||
138 | PF10_PF_NFIO3, | ||
139 | PF11_PF_NFIO4, | ||
140 | PF12_PF_NFIO5, | ||
141 | PF13_PF_NFIO6, | ||
142 | PF14_PF_NFIO7, | ||
143 | }; | ||
144 | |||
145 | /* ADS's NOR flash: 2x AM29BDS128HE9VKI on 32-bit bus */ | ||
146 | static struct physmap_flash_data mx21ads_flash_data = { | ||
147 | .width = 4, | ||
148 | }; | ||
149 | |||
150 | static struct resource mx21ads_flash_resource = { | ||
151 | .start = MX21_CS0_BASE_ADDR, | ||
152 | .end = MX21_CS0_BASE_ADDR + 0x02000000 - 1, | ||
153 | .flags = IORESOURCE_MEM, | ||
154 | }; | ||
155 | |||
156 | static struct platform_device mx21ads_nor_mtd_device = { | ||
157 | .name = "physmap-flash", | ||
158 | .id = 0, | ||
159 | .dev = { | ||
160 | .platform_data = &mx21ads_flash_data, | ||
161 | }, | ||
162 | .num_resources = 1, | ||
163 | .resource = &mx21ads_flash_resource, | ||
164 | }; | ||
165 | |||
166 | static const struct imxuart_platform_data uart_pdata_rts __initconst = { | ||
167 | .flags = IMXUART_HAVE_RTSCTS, | ||
168 | }; | ||
169 | |||
170 | static const struct imxuart_platform_data uart_pdata_norts __initconst = { | ||
171 | }; | ||
172 | |||
173 | static int mx21ads_fb_init(struct platform_device *pdev) | ||
174 | { | ||
175 | u16 tmp; | ||
176 | |||
177 | tmp = __raw_readw(MX21ADS_IO_REG); | ||
178 | tmp |= MX21ADS_IO_LCDON; | ||
179 | __raw_writew(tmp, MX21ADS_IO_REG); | ||
180 | return 0; | ||
181 | } | ||
182 | |||
183 | static void mx21ads_fb_exit(struct platform_device *pdev) | ||
184 | { | ||
185 | u16 tmp; | ||
186 | |||
187 | tmp = __raw_readw(MX21ADS_IO_REG); | ||
188 | tmp &= ~MX21ADS_IO_LCDON; | ||
189 | __raw_writew(tmp, MX21ADS_IO_REG); | ||
190 | } | ||
191 | |||
192 | /* | ||
193 | * Connected is a portrait Sharp-QVGA display | ||
194 | * of type: LQ035Q7DB02 | ||
195 | */ | ||
196 | static struct imx_fb_videomode mx21ads_modes[] = { | ||
197 | { | ||
198 | .mode = { | ||
199 | .name = "Sharp-LQ035Q7", | ||
200 | .refresh = 60, | ||
201 | .xres = 240, | ||
202 | .yres = 320, | ||
203 | .pixclock = 188679, /* in ps (5.3MHz) */ | ||
204 | .hsync_len = 2, | ||
205 | .left_margin = 6, | ||
206 | .right_margin = 16, | ||
207 | .vsync_len = 1, | ||
208 | .upper_margin = 8, | ||
209 | .lower_margin = 10, | ||
210 | }, | ||
211 | .pcr = 0xfb108bc7, | ||
212 | .bpp = 16, | ||
213 | }, | ||
214 | }; | ||
215 | |||
216 | static struct imx_fb_platform_data mx21ads_fb_data = { | ||
217 | .mode = mx21ads_modes, | ||
218 | .num_modes = ARRAY_SIZE(mx21ads_modes), | ||
219 | |||
220 | .pwmr = 0x00a903ff, | ||
221 | .lscr1 = 0x00120300, | ||
222 | .dmacr = 0x00020008, | ||
223 | |||
224 | .init = mx21ads_fb_init, | ||
225 | .exit = mx21ads_fb_exit, | ||
226 | }; | ||
227 | |||
228 | static int mx21ads_sdhc_get_ro(struct device *dev) | ||
229 | { | ||
230 | return (__raw_readw(MX21ADS_IO_REG) & MX21ADS_IO_SD_WP) ? 1 : 0; | ||
231 | } | ||
232 | |||
233 | static int mx21ads_sdhc_init(struct device *dev, irq_handler_t detect_irq, | ||
234 | void *data) | ||
235 | { | ||
236 | int ret; | ||
237 | |||
238 | ret = request_irq(IRQ_GPIOD(25), detect_irq, | ||
239 | IRQF_TRIGGER_FALLING, "mmc-detect", data); | ||
240 | if (ret) | ||
241 | goto out; | ||
242 | return 0; | ||
243 | out: | ||
244 | return ret; | ||
245 | } | ||
246 | |||
247 | static void mx21ads_sdhc_exit(struct device *dev, void *data) | ||
248 | { | ||
249 | free_irq(IRQ_GPIOD(25), data); | ||
250 | } | ||
251 | |||
252 | static struct imxmmc_platform_data mx21ads_sdhc_pdata = { | ||
253 | .ocr_avail = MMC_VDD_29_30 | MMC_VDD_30_31, /* 3.0V */ | ||
254 | .get_ro = mx21ads_sdhc_get_ro, | ||
255 | .init = mx21ads_sdhc_init, | ||
256 | .exit = mx21ads_sdhc_exit, | ||
257 | }; | ||
258 | |||
259 | static const struct mxc_nand_platform_data | ||
260 | mx21ads_nand_board_info __initconst = { | ||
261 | .width = 1, | ||
262 | .hw_ecc = 1, | ||
263 | }; | ||
264 | |||
265 | static struct map_desc mx21ads_io_desc[] __initdata = { | ||
266 | /* | ||
267 | * Memory-mapped I/O on MX21ADS Base board: | ||
268 | * - CS8900A Ethernet controller | ||
269 | * - ST16C2552CJ UART | ||
270 | * - CPU and Base board version | ||
271 | * - Base board I/O register | ||
272 | */ | ||
273 | { | ||
274 | .virtual = MX21ADS_MMIO_BASE_ADDR, | ||
275 | .pfn = __phys_to_pfn(MX21_CS1_BASE_ADDR), | ||
276 | .length = MX21ADS_MMIO_SIZE, | ||
277 | .type = MT_DEVICE, | ||
278 | }, | ||
279 | }; | ||
280 | |||
281 | static void __init mx21ads_map_io(void) | ||
282 | { | ||
283 | mx21_map_io(); | ||
284 | iotable_init(mx21ads_io_desc, ARRAY_SIZE(mx21ads_io_desc)); | ||
285 | } | ||
286 | |||
287 | static struct platform_device *platform_devices[] __initdata = { | ||
288 | &mx21ads_nor_mtd_device, | ||
289 | }; | ||
290 | |||
291 | static void __init mx21ads_board_init(void) | ||
292 | { | ||
293 | mxc_gpio_setup_multiple_pins(mx21ads_pins, ARRAY_SIZE(mx21ads_pins), | ||
294 | "mx21ads"); | ||
295 | |||
296 | imx21_add_imx_uart0(&uart_pdata_rts); | ||
297 | imx21_add_imx_uart2(&uart_pdata_norts); | ||
298 | imx21_add_imx_uart3(&uart_pdata_rts); | ||
299 | mxc_register_device(&mxc_fb_device, &mx21ads_fb_data); | ||
300 | mxc_register_device(&mxc_sdhc_device0, &mx21ads_sdhc_pdata); | ||
301 | imx21_add_mxc_nand(&mx21ads_nand_board_info); | ||
302 | |||
303 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
304 | } | ||
305 | |||
306 | static void __init mx21ads_timer_init(void) | ||
307 | { | ||
308 | mx21_clocks_init(32768, 26000000); | ||
309 | } | ||
310 | |||
311 | static struct sys_timer mx21ads_timer = { | ||
312 | .init = mx21ads_timer_init, | ||
313 | }; | ||
314 | |||
315 | MACHINE_START(MX21ADS, "Freescale i.MX21ADS") | ||
316 | /* maintainer: Freescale Semiconductor, Inc. */ | ||
317 | .phys_io = MX21_AIPI_BASE_ADDR, | ||
318 | .io_pg_offst = ((MX21_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
319 | .boot_params = MX21_PHYS_OFFSET + 0x100, | ||
320 | .map_io = mx21ads_map_io, | ||
321 | .init_irq = mx21_init_irq, | ||
322 | .init_machine = mx21ads_board_init, | ||
323 | .timer = &mx21ads_timer, | ||
324 | MACHINE_END | ||
diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c new file mode 100644 index 000000000000..e66ffaa1c26c --- /dev/null +++ b/arch/arm/mach-imx/mach-mx27_3ds.c | |||
@@ -0,0 +1,119 @@ | |||
1 | /* | ||
2 | * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * | ||
4 | * Author: Fabio Estevam <fabio.estevam@freescale.com> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | */ | ||
16 | |||
17 | /* | ||
18 | * This machine is known as: | ||
19 | * - i.MX27 3-Stack Development System | ||
20 | * - i.MX27 Platform Development Kit (i.MX27 PDK) | ||
21 | */ | ||
22 | |||
23 | #include <linux/platform_device.h> | ||
24 | #include <linux/gpio.h> | ||
25 | #include <linux/input/matrix_keypad.h> | ||
26 | #include <asm/mach-types.h> | ||
27 | #include <asm/mach/arch.h> | ||
28 | #include <asm/mach/time.h> | ||
29 | #include <mach/hardware.h> | ||
30 | #include <mach/common.h> | ||
31 | #include <mach/iomux-mx27.h> | ||
32 | |||
33 | #include "devices-imx27.h" | ||
34 | #include "devices.h" | ||
35 | |||
36 | static unsigned int mx27pdk_pins[] = { | ||
37 | /* UART1 */ | ||
38 | PE12_PF_UART1_TXD, | ||
39 | PE13_PF_UART1_RXD, | ||
40 | PE14_PF_UART1_CTS, | ||
41 | PE15_PF_UART1_RTS, | ||
42 | /* FEC */ | ||
43 | PD0_AIN_FEC_TXD0, | ||
44 | PD1_AIN_FEC_TXD1, | ||
45 | PD2_AIN_FEC_TXD2, | ||
46 | PD3_AIN_FEC_TXD3, | ||
47 | PD4_AOUT_FEC_RX_ER, | ||
48 | PD5_AOUT_FEC_RXD1, | ||
49 | PD6_AOUT_FEC_RXD2, | ||
50 | PD7_AOUT_FEC_RXD3, | ||
51 | PD8_AF_FEC_MDIO, | ||
52 | PD9_AIN_FEC_MDC, | ||
53 | PD10_AOUT_FEC_CRS, | ||
54 | PD11_AOUT_FEC_TX_CLK, | ||
55 | PD12_AOUT_FEC_RXD0, | ||
56 | PD13_AOUT_FEC_RX_DV, | ||
57 | PD14_AOUT_FEC_RX_CLK, | ||
58 | PD15_AOUT_FEC_COL, | ||
59 | PD16_AIN_FEC_TX_ER, | ||
60 | PF23_AIN_FEC_TX_EN, | ||
61 | }; | ||
62 | |||
63 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
64 | .flags = IMXUART_HAVE_RTSCTS, | ||
65 | }; | ||
66 | |||
67 | static struct platform_device *platform_devices[] __initdata = { | ||
68 | &mxc_fec_device, | ||
69 | }; | ||
70 | |||
71 | /* | ||
72 | * Matrix keyboard | ||
73 | */ | ||
74 | |||
75 | static const uint32_t mx27_3ds_keymap[] = { | ||
76 | KEY(0, 0, KEY_UP), | ||
77 | KEY(0, 1, KEY_DOWN), | ||
78 | KEY(1, 0, KEY_RIGHT), | ||
79 | KEY(1, 1, KEY_LEFT), | ||
80 | KEY(1, 2, KEY_ENTER), | ||
81 | KEY(2, 0, KEY_F6), | ||
82 | KEY(2, 1, KEY_F8), | ||
83 | KEY(2, 2, KEY_F9), | ||
84 | KEY(2, 3, KEY_F10), | ||
85 | }; | ||
86 | |||
87 | static struct matrix_keymap_data mx27_3ds_keymap_data = { | ||
88 | .keymap = mx27_3ds_keymap, | ||
89 | .keymap_size = ARRAY_SIZE(mx27_3ds_keymap), | ||
90 | }; | ||
91 | |||
92 | static void __init mx27pdk_init(void) | ||
93 | { | ||
94 | mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins), | ||
95 | "mx27pdk"); | ||
96 | imx27_add_imx_uart0(&uart_pdata); | ||
97 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
98 | mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data); | ||
99 | } | ||
100 | |||
101 | static void __init mx27pdk_timer_init(void) | ||
102 | { | ||
103 | mx27_clocks_init(26000000); | ||
104 | } | ||
105 | |||
106 | static struct sys_timer mx27pdk_timer = { | ||
107 | .init = mx27pdk_timer_init, | ||
108 | }; | ||
109 | |||
110 | MACHINE_START(MX27_3DS, "Freescale MX27PDK") | ||
111 | /* maintainer: Freescale Semiconductor, Inc. */ | ||
112 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
113 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
114 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
115 | .map_io = mx27_map_io, | ||
116 | .init_irq = mx27_init_irq, | ||
117 | .init_machine = mx27pdk_init, | ||
118 | .timer = &mx27pdk_timer, | ||
119 | MACHINE_END | ||
diff --git a/arch/arm/mach-imx/mach-mx27ads.c b/arch/arm/mach-imx/mach-mx27ads.c new file mode 100644 index 000000000000..9c77da98a10e --- /dev/null +++ b/arch/arm/mach-imx/mach-mx27ads.c | |||
@@ -0,0 +1,357 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2000 Deep Blue Solutions Ltd | ||
3 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) | ||
4 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | */ | ||
16 | |||
17 | #include <linux/platform_device.h> | ||
18 | #include <linux/mtd/mtd.h> | ||
19 | #include <linux/mtd/map.h> | ||
20 | #include <linux/mtd/partitions.h> | ||
21 | #include <linux/mtd/physmap.h> | ||
22 | #include <linux/i2c.h> | ||
23 | #include <linux/irq.h> | ||
24 | #include <mach/common.h> | ||
25 | #include <mach/hardware.h> | ||
26 | #include <asm/mach-types.h> | ||
27 | #include <asm/mach/arch.h> | ||
28 | #include <asm/mach/time.h> | ||
29 | #include <asm/mach/map.h> | ||
30 | #include <mach/gpio.h> | ||
31 | #include <mach/iomux-mx27.h> | ||
32 | #include <mach/mxc_nand.h> | ||
33 | #include <mach/imxfb.h> | ||
34 | #include <mach/mmc.h> | ||
35 | |||
36 | #include "devices-imx27.h" | ||
37 | #include "devices.h" | ||
38 | |||
39 | /* | ||
40 | * Base address of PBC controller, CS4 | ||
41 | */ | ||
42 | #define PBC_BASE_ADDRESS 0xf4300000 | ||
43 | #define PBC_REG_ADDR(offset) (void __force __iomem *) \ | ||
44 | (PBC_BASE_ADDRESS + (offset)) | ||
45 | |||
46 | /* When the PBC address connection is fixed in h/w, defined as 1 */ | ||
47 | #define PBC_ADDR_SH 0 | ||
48 | |||
49 | /* Offsets for the PBC Controller register */ | ||
50 | /* | ||
51 | * PBC Board version register offset | ||
52 | */ | ||
53 | #define PBC_VERSION_REG PBC_REG_ADDR(0x00000 >> PBC_ADDR_SH) | ||
54 | /* | ||
55 | * PBC Board control register 1 set address. | ||
56 | */ | ||
57 | #define PBC_BCTRL1_SET_REG PBC_REG_ADDR(0x00008 >> PBC_ADDR_SH) | ||
58 | /* | ||
59 | * PBC Board control register 1 clear address. | ||
60 | */ | ||
61 | #define PBC_BCTRL1_CLEAR_REG PBC_REG_ADDR(0x0000C >> PBC_ADDR_SH) | ||
62 | |||
63 | /* PBC Board Control Register 1 bit definitions */ | ||
64 | #define PBC_BCTRL1_LCDON 0x0800 /* Enable the LCD */ | ||
65 | |||
66 | /* to determine the correct external crystal reference */ | ||
67 | #define CKIH_27MHZ_BIT_SET (1 << 3) | ||
68 | |||
69 | static unsigned int mx27ads_pins[] = { | ||
70 | /* UART0 */ | ||
71 | PE12_PF_UART1_TXD, | ||
72 | PE13_PF_UART1_RXD, | ||
73 | PE14_PF_UART1_CTS, | ||
74 | PE15_PF_UART1_RTS, | ||
75 | /* UART1 */ | ||
76 | PE3_PF_UART2_CTS, | ||
77 | PE4_PF_UART2_RTS, | ||
78 | PE6_PF_UART2_TXD, | ||
79 | PE7_PF_UART2_RXD, | ||
80 | /* UART2 */ | ||
81 | PE8_PF_UART3_TXD, | ||
82 | PE9_PF_UART3_RXD, | ||
83 | PE10_PF_UART3_CTS, | ||
84 | PE11_PF_UART3_RTS, | ||
85 | /* UART3 */ | ||
86 | PB26_AF_UART4_RTS, | ||
87 | PB28_AF_UART4_TXD, | ||
88 | PB29_AF_UART4_CTS, | ||
89 | PB31_AF_UART4_RXD, | ||
90 | /* UART4 */ | ||
91 | PB18_AF_UART5_TXD, | ||
92 | PB19_AF_UART5_RXD, | ||
93 | PB20_AF_UART5_CTS, | ||
94 | PB21_AF_UART5_RTS, | ||
95 | /* UART5 */ | ||
96 | PB10_AF_UART6_TXD, | ||
97 | PB12_AF_UART6_CTS, | ||
98 | PB11_AF_UART6_RXD, | ||
99 | PB13_AF_UART6_RTS, | ||
100 | /* FEC */ | ||
101 | PD0_AIN_FEC_TXD0, | ||
102 | PD1_AIN_FEC_TXD1, | ||
103 | PD2_AIN_FEC_TXD2, | ||
104 | PD3_AIN_FEC_TXD3, | ||
105 | PD4_AOUT_FEC_RX_ER, | ||
106 | PD5_AOUT_FEC_RXD1, | ||
107 | PD6_AOUT_FEC_RXD2, | ||
108 | PD7_AOUT_FEC_RXD3, | ||
109 | PD8_AF_FEC_MDIO, | ||
110 | PD9_AIN_FEC_MDC, | ||
111 | PD10_AOUT_FEC_CRS, | ||
112 | PD11_AOUT_FEC_TX_CLK, | ||
113 | PD12_AOUT_FEC_RXD0, | ||
114 | PD13_AOUT_FEC_RX_DV, | ||
115 | PD14_AOUT_FEC_RX_CLK, | ||
116 | PD15_AOUT_FEC_COL, | ||
117 | PD16_AIN_FEC_TX_ER, | ||
118 | PF23_AIN_FEC_TX_EN, | ||
119 | /* I2C2 */ | ||
120 | PC5_PF_I2C2_SDA, | ||
121 | PC6_PF_I2C2_SCL, | ||
122 | /* FB */ | ||
123 | PA5_PF_LSCLK, | ||
124 | PA6_PF_LD0, | ||
125 | PA7_PF_LD1, | ||
126 | PA8_PF_LD2, | ||
127 | PA9_PF_LD3, | ||
128 | PA10_PF_LD4, | ||
129 | PA11_PF_LD5, | ||
130 | PA12_PF_LD6, | ||
131 | PA13_PF_LD7, | ||
132 | PA14_PF_LD8, | ||
133 | PA15_PF_LD9, | ||
134 | PA16_PF_LD10, | ||
135 | PA17_PF_LD11, | ||
136 | PA18_PF_LD12, | ||
137 | PA19_PF_LD13, | ||
138 | PA20_PF_LD14, | ||
139 | PA21_PF_LD15, | ||
140 | PA22_PF_LD16, | ||
141 | PA23_PF_LD17, | ||
142 | PA24_PF_REV, | ||
143 | PA25_PF_CLS, | ||
144 | PA26_PF_PS, | ||
145 | PA27_PF_SPL_SPR, | ||
146 | PA28_PF_HSYNC, | ||
147 | PA29_PF_VSYNC, | ||
148 | PA30_PF_CONTRAST, | ||
149 | PA31_PF_OE_ACD, | ||
150 | /* OWIRE */ | ||
151 | PE16_AF_OWIRE, | ||
152 | /* SDHC1*/ | ||
153 | PE18_PF_SD1_D0, | ||
154 | PE19_PF_SD1_D1, | ||
155 | PE20_PF_SD1_D2, | ||
156 | PE21_PF_SD1_D3, | ||
157 | PE22_PF_SD1_CMD, | ||
158 | PE23_PF_SD1_CLK, | ||
159 | /* SDHC2*/ | ||
160 | PB4_PF_SD2_D0, | ||
161 | PB5_PF_SD2_D1, | ||
162 | PB6_PF_SD2_D2, | ||
163 | PB7_PF_SD2_D3, | ||
164 | PB8_PF_SD2_CMD, | ||
165 | PB9_PF_SD2_CLK, | ||
166 | }; | ||
167 | |||
168 | static const struct mxc_nand_platform_data | ||
169 | mx27ads_nand_board_info __initconst = { | ||
170 | .width = 1, | ||
171 | .hw_ecc = 1, | ||
172 | }; | ||
173 | |||
174 | /* ADS's NOR flash */ | ||
175 | static struct physmap_flash_data mx27ads_flash_data = { | ||
176 | .width = 2, | ||
177 | }; | ||
178 | |||
179 | static struct resource mx27ads_flash_resource = { | ||
180 | .start = 0xc0000000, | ||
181 | .end = 0xc0000000 + 0x02000000 - 1, | ||
182 | .flags = IORESOURCE_MEM, | ||
183 | |||
184 | }; | ||
185 | |||
186 | static struct platform_device mx27ads_nor_mtd_device = { | ||
187 | .name = "physmap-flash", | ||
188 | .id = 0, | ||
189 | .dev = { | ||
190 | .platform_data = &mx27ads_flash_data, | ||
191 | }, | ||
192 | .num_resources = 1, | ||
193 | .resource = &mx27ads_flash_resource, | ||
194 | }; | ||
195 | |||
196 | static const struct imxi2c_platform_data mx27ads_i2c1_data __initconst = { | ||
197 | .bitrate = 100000, | ||
198 | }; | ||
199 | |||
200 | static struct i2c_board_info mx27ads_i2c_devices[] = { | ||
201 | }; | ||
202 | |||
203 | void lcd_power(int on) | ||
204 | { | ||
205 | if (on) | ||
206 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG); | ||
207 | else | ||
208 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG); | ||
209 | } | ||
210 | |||
211 | static struct imx_fb_videomode mx27ads_modes[] = { | ||
212 | { | ||
213 | .mode = { | ||
214 | .name = "Sharp-LQ035Q7", | ||
215 | .refresh = 60, | ||
216 | .xres = 240, | ||
217 | .yres = 320, | ||
218 | .pixclock = 188679, /* in ps (5.3MHz) */ | ||
219 | .hsync_len = 1, | ||
220 | .left_margin = 9, | ||
221 | .right_margin = 16, | ||
222 | .vsync_len = 1, | ||
223 | .upper_margin = 7, | ||
224 | .lower_margin = 9, | ||
225 | }, | ||
226 | .bpp = 16, | ||
227 | .pcr = 0xFB008BC0, | ||
228 | }, | ||
229 | }; | ||
230 | |||
231 | static struct imx_fb_platform_data mx27ads_fb_data = { | ||
232 | .mode = mx27ads_modes, | ||
233 | .num_modes = ARRAY_SIZE(mx27ads_modes), | ||
234 | |||
235 | /* | ||
236 | * - HSYNC active high | ||
237 | * - VSYNC active high | ||
238 | * - clk notenabled while idle | ||
239 | * - clock inverted | ||
240 | * - data not inverted | ||
241 | * - data enable low active | ||
242 | * - enable sharp mode | ||
243 | */ | ||
244 | .pwmr = 0x00A903FF, | ||
245 | .lscr1 = 0x00120300, | ||
246 | .dmacr = 0x00020010, | ||
247 | |||
248 | .lcd_power = lcd_power, | ||
249 | }; | ||
250 | |||
251 | static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq, | ||
252 | void *data) | ||
253 | { | ||
254 | return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING, | ||
255 | "sdhc1-card-detect", data); | ||
256 | } | ||
257 | |||
258 | static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq, | ||
259 | void *data) | ||
260 | { | ||
261 | return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING, | ||
262 | "sdhc2-card-detect", data); | ||
263 | } | ||
264 | |||
265 | static void mx27ads_sdhc1_exit(struct device *dev, void *data) | ||
266 | { | ||
267 | free_irq(IRQ_GPIOE(21), data); | ||
268 | } | ||
269 | |||
270 | static void mx27ads_sdhc2_exit(struct device *dev, void *data) | ||
271 | { | ||
272 | free_irq(IRQ_GPIOB(7), data); | ||
273 | } | ||
274 | |||
275 | static struct imxmmc_platform_data sdhc1_pdata = { | ||
276 | .init = mx27ads_sdhc1_init, | ||
277 | .exit = mx27ads_sdhc1_exit, | ||
278 | }; | ||
279 | |||
280 | static struct imxmmc_platform_data sdhc2_pdata = { | ||
281 | .init = mx27ads_sdhc2_init, | ||
282 | .exit = mx27ads_sdhc2_exit, | ||
283 | }; | ||
284 | |||
285 | static struct platform_device *platform_devices[] __initdata = { | ||
286 | &mx27ads_nor_mtd_device, | ||
287 | &mxc_fec_device, | ||
288 | &mxc_w1_master_device, | ||
289 | }; | ||
290 | |||
291 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
292 | .flags = IMXUART_HAVE_RTSCTS, | ||
293 | }; | ||
294 | |||
295 | static void __init mx27ads_board_init(void) | ||
296 | { | ||
297 | mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), | ||
298 | "mx27ads"); | ||
299 | |||
300 | imx27_add_imx_uart0(&uart_pdata); | ||
301 | imx27_add_imx_uart1(&uart_pdata); | ||
302 | imx27_add_imx_uart2(&uart_pdata); | ||
303 | imx27_add_imx_uart3(&uart_pdata); | ||
304 | imx27_add_imx_uart4(&uart_pdata); | ||
305 | imx27_add_imx_uart5(&uart_pdata); | ||
306 | imx27_add_mxc_nand(&mx27ads_nand_board_info); | ||
307 | |||
308 | /* only the i2c master 1 is used on this CPU card */ | ||
309 | i2c_register_board_info(1, mx27ads_i2c_devices, | ||
310 | ARRAY_SIZE(mx27ads_i2c_devices)); | ||
311 | imx27_add_i2c_imx1(&mx27ads_i2c1_data); | ||
312 | mxc_register_device(&mxc_fb_device, &mx27ads_fb_data); | ||
313 | mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata); | ||
314 | mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata); | ||
315 | |||
316 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
317 | } | ||
318 | |||
319 | static void __init mx27ads_timer_init(void) | ||
320 | { | ||
321 | unsigned long fref = 26000000; | ||
322 | |||
323 | if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0) | ||
324 | fref = 27000000; | ||
325 | |||
326 | mx27_clocks_init(fref); | ||
327 | } | ||
328 | |||
329 | static struct sys_timer mx27ads_timer = { | ||
330 | .init = mx27ads_timer_init, | ||
331 | }; | ||
332 | |||
333 | static struct map_desc mx27ads_io_desc[] __initdata = { | ||
334 | { | ||
335 | .virtual = PBC_BASE_ADDRESS, | ||
336 | .pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR), | ||
337 | .length = SZ_1M, | ||
338 | .type = MT_DEVICE, | ||
339 | }, | ||
340 | }; | ||
341 | |||
342 | static void __init mx27ads_map_io(void) | ||
343 | { | ||
344 | mx27_map_io(); | ||
345 | iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc)); | ||
346 | } | ||
347 | |||
348 | MACHINE_START(MX27ADS, "Freescale i.MX27ADS") | ||
349 | /* maintainer: Freescale Semiconductor, Inc. */ | ||
350 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
351 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
352 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
353 | .map_io = mx27ads_map_io, | ||
354 | .init_irq = mx27_init_irq, | ||
355 | .init_machine = mx27ads_board_init, | ||
356 | .timer = &mx27ads_timer, | ||
357 | MACHINE_END | ||
diff --git a/arch/arm/mach-imx/mach-mxt_td60.c b/arch/arm/mach-imx/mach-mxt_td60.c new file mode 100644 index 000000000000..a3a1e452d4c5 --- /dev/null +++ b/arch/arm/mach-imx/mach-mxt_td60.c | |||
@@ -0,0 +1,285 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2000 Deep Blue Solutions Ltd | ||
3 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) | ||
4 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | */ | ||
16 | |||
17 | #include <linux/platform_device.h> | ||
18 | #include <linux/mtd/mtd.h> | ||
19 | #include <linux/mtd/map.h> | ||
20 | #include <linux/mtd/partitions.h> | ||
21 | #include <linux/mtd/physmap.h> | ||
22 | #include <linux/i2c.h> | ||
23 | #include <linux/irq.h> | ||
24 | #include <mach/common.h> | ||
25 | #include <mach/hardware.h> | ||
26 | #include <asm/mach-types.h> | ||
27 | #include <asm/mach/arch.h> | ||
28 | #include <asm/mach/time.h> | ||
29 | #include <asm/mach/map.h> | ||
30 | #include <linux/gpio.h> | ||
31 | #include <mach/iomux-mx27.h> | ||
32 | #include <mach/mxc_nand.h> | ||
33 | #include <linux/i2c/pca953x.h> | ||
34 | #include <mach/imxfb.h> | ||
35 | #include <mach/mmc.h> | ||
36 | |||
37 | #include "devices-imx27.h" | ||
38 | #include "devices.h" | ||
39 | |||
40 | static unsigned int mxt_td60_pins[] __initdata = { | ||
41 | /* UART0 */ | ||
42 | PE12_PF_UART1_TXD, | ||
43 | PE13_PF_UART1_RXD, | ||
44 | PE14_PF_UART1_CTS, | ||
45 | PE15_PF_UART1_RTS, | ||
46 | /* UART1 */ | ||
47 | PE3_PF_UART2_CTS, | ||
48 | PE4_PF_UART2_RTS, | ||
49 | PE6_PF_UART2_TXD, | ||
50 | PE7_PF_UART2_RXD, | ||
51 | /* UART2 */ | ||
52 | PE8_PF_UART3_TXD, | ||
53 | PE9_PF_UART3_RXD, | ||
54 | PE10_PF_UART3_CTS, | ||
55 | PE11_PF_UART3_RTS, | ||
56 | /* FEC */ | ||
57 | PD0_AIN_FEC_TXD0, | ||
58 | PD1_AIN_FEC_TXD1, | ||
59 | PD2_AIN_FEC_TXD2, | ||
60 | PD3_AIN_FEC_TXD3, | ||
61 | PD4_AOUT_FEC_RX_ER, | ||
62 | PD5_AOUT_FEC_RXD1, | ||
63 | PD6_AOUT_FEC_RXD2, | ||
64 | PD7_AOUT_FEC_RXD3, | ||
65 | PD8_AF_FEC_MDIO, | ||
66 | PD9_AIN_FEC_MDC, | ||
67 | PD10_AOUT_FEC_CRS, | ||
68 | PD11_AOUT_FEC_TX_CLK, | ||
69 | PD12_AOUT_FEC_RXD0, | ||
70 | PD13_AOUT_FEC_RX_DV, | ||
71 | PD14_AOUT_FEC_RX_CLK, | ||
72 | PD15_AOUT_FEC_COL, | ||
73 | PD16_AIN_FEC_TX_ER, | ||
74 | PF23_AIN_FEC_TX_EN, | ||
75 | /* I2C1 */ | ||
76 | PD17_PF_I2C_DATA, | ||
77 | PD18_PF_I2C_CLK, | ||
78 | /* I2C2 */ | ||
79 | PC5_PF_I2C2_SDA, | ||
80 | PC6_PF_I2C2_SCL, | ||
81 | /* FB */ | ||
82 | PA5_PF_LSCLK, | ||
83 | PA6_PF_LD0, | ||
84 | PA7_PF_LD1, | ||
85 | PA8_PF_LD2, | ||
86 | PA9_PF_LD3, | ||
87 | PA10_PF_LD4, | ||
88 | PA11_PF_LD5, | ||
89 | PA12_PF_LD6, | ||
90 | PA13_PF_LD7, | ||
91 | PA14_PF_LD8, | ||
92 | PA15_PF_LD9, | ||
93 | PA16_PF_LD10, | ||
94 | PA17_PF_LD11, | ||
95 | PA18_PF_LD12, | ||
96 | PA19_PF_LD13, | ||
97 | PA20_PF_LD14, | ||
98 | PA21_PF_LD15, | ||
99 | PA22_PF_LD16, | ||
100 | PA23_PF_LD17, | ||
101 | PA25_PF_CLS, | ||
102 | PA27_PF_SPL_SPR, | ||
103 | PA28_PF_HSYNC, | ||
104 | PA29_PF_VSYNC, | ||
105 | PA30_PF_CONTRAST, | ||
106 | PA31_PF_OE_ACD, | ||
107 | /* OWIRE */ | ||
108 | PE16_AF_OWIRE, | ||
109 | /* SDHC1*/ | ||
110 | PE18_PF_SD1_D0, | ||
111 | PE19_PF_SD1_D1, | ||
112 | PE20_PF_SD1_D2, | ||
113 | PE21_PF_SD1_D3, | ||
114 | PE22_PF_SD1_CMD, | ||
115 | PE23_PF_SD1_CLK, | ||
116 | PF8_AF_ATA_IORDY, | ||
117 | /* SDHC2*/ | ||
118 | PB4_PF_SD2_D0, | ||
119 | PB5_PF_SD2_D1, | ||
120 | PB6_PF_SD2_D2, | ||
121 | PB7_PF_SD2_D3, | ||
122 | PB8_PF_SD2_CMD, | ||
123 | PB9_PF_SD2_CLK, | ||
124 | }; | ||
125 | |||
126 | static const struct mxc_nand_platform_data | ||
127 | mxt_td60_nand_board_info __initconst = { | ||
128 | .width = 1, | ||
129 | .hw_ecc = 1, | ||
130 | }; | ||
131 | |||
132 | static const struct imxi2c_platform_data mxt_td60_i2c0_data __initconst = { | ||
133 | .bitrate = 100000, | ||
134 | }; | ||
135 | |||
136 | /* PCA9557 */ | ||
137 | static int mxt_td60_pca9557_setup(struct i2c_client *client, | ||
138 | unsigned gpio_base, unsigned ngpio, | ||
139 | void *context) | ||
140 | { | ||
141 | static int mxt_td60_gpio_value[] = { | ||
142 | -1, -1, -1, -1, -1, -1, -1, 1 | ||
143 | }; | ||
144 | int n; | ||
145 | |||
146 | for (n = 0; n < ARRAY_SIZE(mxt_td60_gpio_value); ++n) { | ||
147 | gpio_request(gpio_base + n, "MXT_TD60 GPIO Exp"); | ||
148 | if (mxt_td60_gpio_value[n] < 0) | ||
149 | gpio_direction_input(gpio_base + n); | ||
150 | else | ||
151 | gpio_direction_output(gpio_base + n, | ||
152 | mxt_td60_gpio_value[n]); | ||
153 | gpio_export(gpio_base + n, 0); | ||
154 | } | ||
155 | |||
156 | return 0; | ||
157 | } | ||
158 | |||
159 | static struct pca953x_platform_data mxt_td60_pca9557_pdata = { | ||
160 | .gpio_base = 240, /* place PCA9557 after all MX27 gpio pins */ | ||
161 | .invert = 0, /* Do not invert */ | ||
162 | .setup = mxt_td60_pca9557_setup, | ||
163 | }; | ||
164 | |||
165 | static struct i2c_board_info mxt_td60_i2c_devices[] = { | ||
166 | { | ||
167 | I2C_BOARD_INFO("pca9557", 0x18), | ||
168 | .platform_data = &mxt_td60_pca9557_pdata, | ||
169 | }, | ||
170 | }; | ||
171 | |||
172 | static const struct imxi2c_platform_data mxt_td60_i2c1_data __initconst = { | ||
173 | .bitrate = 100000, | ||
174 | }; | ||
175 | |||
176 | static struct i2c_board_info mxt_td60_i2c2_devices[] = { | ||
177 | }; | ||
178 | |||
179 | static struct imx_fb_videomode mxt_td60_modes[] = { | ||
180 | { | ||
181 | .mode = { | ||
182 | .name = "Chimei LW700AT9003", | ||
183 | .refresh = 60, | ||
184 | .xres = 800, | ||
185 | .yres = 480, | ||
186 | .pixclock = 30303, | ||
187 | .hsync_len = 64, | ||
188 | .left_margin = 0x67, | ||
189 | .right_margin = 0x68, | ||
190 | .vsync_len = 16, | ||
191 | .upper_margin = 0x0f, | ||
192 | .lower_margin = 0x0f, | ||
193 | }, | ||
194 | .bpp = 16, | ||
195 | .pcr = 0xFA208B83, | ||
196 | }, | ||
197 | }; | ||
198 | |||
199 | static struct imx_fb_platform_data mxt_td60_fb_data = { | ||
200 | .mode = mxt_td60_modes, | ||
201 | .num_modes = ARRAY_SIZE(mxt_td60_modes), | ||
202 | |||
203 | /* | ||
204 | * - HSYNC active high | ||
205 | * - VSYNC active high | ||
206 | * - clk notenabled while idle | ||
207 | * - clock inverted | ||
208 | * - data not inverted | ||
209 | * - data enable low active | ||
210 | * - enable sharp mode | ||
211 | */ | ||
212 | .pwmr = 0x00A903FF, | ||
213 | .lscr1 = 0x00120300, | ||
214 | .dmacr = 0x00020010, | ||
215 | }; | ||
216 | |||
217 | static int mxt_td60_sdhc1_init(struct device *dev, irq_handler_t detect_irq, | ||
218 | void *data) | ||
219 | { | ||
220 | return request_irq(IRQ_GPIOF(8), detect_irq, IRQF_TRIGGER_FALLING, | ||
221 | "sdhc1-card-detect", data); | ||
222 | } | ||
223 | |||
224 | static void mxt_td60_sdhc1_exit(struct device *dev, void *data) | ||
225 | { | ||
226 | free_irq(IRQ_GPIOF(8), data); | ||
227 | } | ||
228 | |||
229 | static struct imxmmc_platform_data sdhc1_pdata = { | ||
230 | .init = mxt_td60_sdhc1_init, | ||
231 | .exit = mxt_td60_sdhc1_exit, | ||
232 | }; | ||
233 | |||
234 | static struct platform_device *platform_devices[] __initdata = { | ||
235 | &mxc_fec_device, | ||
236 | }; | ||
237 | |||
238 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
239 | .flags = IMXUART_HAVE_RTSCTS, | ||
240 | }; | ||
241 | |||
242 | static void __init mxt_td60_board_init(void) | ||
243 | { | ||
244 | mxc_gpio_setup_multiple_pins(mxt_td60_pins, ARRAY_SIZE(mxt_td60_pins), | ||
245 | "MXT_TD60"); | ||
246 | |||
247 | imx27_add_imx_uart0(&uart_pdata); | ||
248 | imx27_add_imx_uart1(&uart_pdata); | ||
249 | imx27_add_imx_uart2(&uart_pdata); | ||
250 | imx27_add_mxc_nand(&mxt_td60_nand_board_info); | ||
251 | |||
252 | i2c_register_board_info(0, mxt_td60_i2c_devices, | ||
253 | ARRAY_SIZE(mxt_td60_i2c_devices)); | ||
254 | |||
255 | i2c_register_board_info(1, mxt_td60_i2c2_devices, | ||
256 | ARRAY_SIZE(mxt_td60_i2c2_devices)); | ||
257 | |||
258 | imx27_add_i2c_imx0(&mxt_td60_i2c0_data); | ||
259 | imx27_add_i2c_imx1(&mxt_td60_i2c1_data); | ||
260 | mxc_register_device(&mxc_fb_device, &mxt_td60_fb_data); | ||
261 | mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata); | ||
262 | |||
263 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
264 | } | ||
265 | |||
266 | static void __init mxt_td60_timer_init(void) | ||
267 | { | ||
268 | mx27_clocks_init(26000000); | ||
269 | } | ||
270 | |||
271 | static struct sys_timer mxt_td60_timer = { | ||
272 | .init = mxt_td60_timer_init, | ||
273 | }; | ||
274 | |||
275 | MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60") | ||
276 | /* maintainer: Maxtrack Industrial */ | ||
277 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
278 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
279 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
280 | .map_io = mx27_map_io, | ||
281 | .init_irq = mx27_init_irq, | ||
282 | .init_machine = mxt_td60_board_init, | ||
283 | .timer = &mxt_td60_timer, | ||
284 | MACHINE_END | ||
285 | |||
diff --git a/arch/arm/mach-imx/mach-pca100.c b/arch/arm/mach-imx/mach-pca100.c new file mode 100644 index 000000000000..6c92deaf468f --- /dev/null +++ b/arch/arm/mach-imx/mach-pca100.c | |||
@@ -0,0 +1,460 @@ | |||
1 | /* | ||
2 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | ||
3 | * Copyright (C) 2009 Sascha Hauer (kernel@pengutronix.de) | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
17 | * MA 02110-1301, USA. | ||
18 | */ | ||
19 | |||
20 | #include <linux/platform_device.h> | ||
21 | #include <linux/io.h> | ||
22 | #include <linux/i2c.h> | ||
23 | #include <linux/i2c/at24.h> | ||
24 | #include <linux/dma-mapping.h> | ||
25 | #include <linux/spi/spi.h> | ||
26 | #include <linux/spi/eeprom.h> | ||
27 | #include <linux/irq.h> | ||
28 | #include <linux/delay.h> | ||
29 | #include <linux/gpio.h> | ||
30 | #include <linux/usb/otg.h> | ||
31 | #include <linux/usb/ulpi.h> | ||
32 | #include <linux/fsl_devices.h> | ||
33 | |||
34 | #include <asm/mach/arch.h> | ||
35 | #include <asm/mach-types.h> | ||
36 | #include <mach/common.h> | ||
37 | #include <mach/hardware.h> | ||
38 | #include <mach/iomux-mx27.h> | ||
39 | #include <asm/mach/time.h> | ||
40 | #include <mach/audmux.h> | ||
41 | #include <mach/ssi.h> | ||
42 | #include <mach/mxc_nand.h> | ||
43 | #include <mach/irqs.h> | ||
44 | #include <mach/mmc.h> | ||
45 | #include <mach/mxc_ehci.h> | ||
46 | #include <mach/ulpi.h> | ||
47 | #include <mach/imxfb.h> | ||
48 | |||
49 | #include "devices-imx27.h" | ||
50 | #include "devices.h" | ||
51 | |||
52 | #define OTG_PHY_CS_GPIO (GPIO_PORTB + 23) | ||
53 | #define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24) | ||
54 | #define SPI1_SS0 (GPIO_PORTD + 28) | ||
55 | #define SPI1_SS1 (GPIO_PORTD + 27) | ||
56 | #define SD2_CD (GPIO_PORTC + 29) | ||
57 | |||
58 | static int pca100_pins[] = { | ||
59 | /* UART1 */ | ||
60 | PE12_PF_UART1_TXD, | ||
61 | PE13_PF_UART1_RXD, | ||
62 | PE14_PF_UART1_CTS, | ||
63 | PE15_PF_UART1_RTS, | ||
64 | /* SDHC */ | ||
65 | PB4_PF_SD2_D0, | ||
66 | PB5_PF_SD2_D1, | ||
67 | PB6_PF_SD2_D2, | ||
68 | PB7_PF_SD2_D3, | ||
69 | PB8_PF_SD2_CMD, | ||
70 | PB9_PF_SD2_CLK, | ||
71 | SD2_CD | GPIO_GPIO | GPIO_IN, | ||
72 | /* FEC */ | ||
73 | PD0_AIN_FEC_TXD0, | ||
74 | PD1_AIN_FEC_TXD1, | ||
75 | PD2_AIN_FEC_TXD2, | ||
76 | PD3_AIN_FEC_TXD3, | ||
77 | PD4_AOUT_FEC_RX_ER, | ||
78 | PD5_AOUT_FEC_RXD1, | ||
79 | PD6_AOUT_FEC_RXD2, | ||
80 | PD7_AOUT_FEC_RXD3, | ||
81 | PD8_AF_FEC_MDIO, | ||
82 | PD9_AIN_FEC_MDC, | ||
83 | PD10_AOUT_FEC_CRS, | ||
84 | PD11_AOUT_FEC_TX_CLK, | ||
85 | PD12_AOUT_FEC_RXD0, | ||
86 | PD13_AOUT_FEC_RX_DV, | ||
87 | PD14_AOUT_FEC_RX_CLK, | ||
88 | PD15_AOUT_FEC_COL, | ||
89 | PD16_AIN_FEC_TX_ER, | ||
90 | PF23_AIN_FEC_TX_EN, | ||
91 | /* SSI1 */ | ||
92 | PC20_PF_SSI1_FS, | ||
93 | PC21_PF_SSI1_RXD, | ||
94 | PC22_PF_SSI1_TXD, | ||
95 | PC23_PF_SSI1_CLK, | ||
96 | /* onboard I2C */ | ||
97 | PC5_PF_I2C2_SDA, | ||
98 | PC6_PF_I2C2_SCL, | ||
99 | /* external I2C */ | ||
100 | PD17_PF_I2C_DATA, | ||
101 | PD18_PF_I2C_CLK, | ||
102 | /* SPI1 */ | ||
103 | PD25_PF_CSPI1_RDY, | ||
104 | PD29_PF_CSPI1_SCLK, | ||
105 | PD30_PF_CSPI1_MISO, | ||
106 | PD31_PF_CSPI1_MOSI, | ||
107 | /* OTG */ | ||
108 | OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, | ||
109 | PC7_PF_USBOTG_DATA5, | ||
110 | PC8_PF_USBOTG_DATA6, | ||
111 | PC9_PF_USBOTG_DATA0, | ||
112 | PC10_PF_USBOTG_DATA2, | ||
113 | PC11_PF_USBOTG_DATA1, | ||
114 | PC12_PF_USBOTG_DATA4, | ||
115 | PC13_PF_USBOTG_DATA3, | ||
116 | PE0_PF_USBOTG_NXT, | ||
117 | PE1_PF_USBOTG_STP, | ||
118 | PE2_PF_USBOTG_DIR, | ||
119 | PE24_PF_USBOTG_CLK, | ||
120 | PE25_PF_USBOTG_DATA7, | ||
121 | /* USBH2 */ | ||
122 | USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, | ||
123 | PA0_PF_USBH2_CLK, | ||
124 | PA1_PF_USBH2_DIR, | ||
125 | PA2_PF_USBH2_DATA7, | ||
126 | PA3_PF_USBH2_NXT, | ||
127 | PA4_PF_USBH2_STP, | ||
128 | PD19_AF_USBH2_DATA4, | ||
129 | PD20_AF_USBH2_DATA3, | ||
130 | PD21_AF_USBH2_DATA6, | ||
131 | PD22_AF_USBH2_DATA0, | ||
132 | PD23_AF_USBH2_DATA2, | ||
133 | PD24_AF_USBH2_DATA1, | ||
134 | PD26_AF_USBH2_DATA5, | ||
135 | /* display */ | ||
136 | PA5_PF_LSCLK, | ||
137 | PA6_PF_LD0, | ||
138 | PA7_PF_LD1, | ||
139 | PA8_PF_LD2, | ||
140 | PA9_PF_LD3, | ||
141 | PA10_PF_LD4, | ||
142 | PA11_PF_LD5, | ||
143 | PA12_PF_LD6, | ||
144 | PA13_PF_LD7, | ||
145 | PA14_PF_LD8, | ||
146 | PA15_PF_LD9, | ||
147 | PA16_PF_LD10, | ||
148 | PA17_PF_LD11, | ||
149 | PA18_PF_LD12, | ||
150 | PA19_PF_LD13, | ||
151 | PA20_PF_LD14, | ||
152 | PA21_PF_LD15, | ||
153 | PA22_PF_LD16, | ||
154 | PA23_PF_LD17, | ||
155 | PA26_PF_PS, | ||
156 | PA28_PF_HSYNC, | ||
157 | PA29_PF_VSYNC, | ||
158 | PA31_PF_OE_ACD, | ||
159 | /* free GPIO */ | ||
160 | GPIO_PORTC | 31 | GPIO_GPIO | GPIO_IN, /* GPIO0_IRQ */ | ||
161 | GPIO_PORTC | 25 | GPIO_GPIO | GPIO_IN, /* GPIO1_IRQ */ | ||
162 | GPIO_PORTE | 5 | GPIO_GPIO | GPIO_IN, /* GPIO2_IRQ */ | ||
163 | }; | ||
164 | |||
165 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
166 | .flags = IMXUART_HAVE_RTSCTS, | ||
167 | }; | ||
168 | |||
169 | static const struct mxc_nand_platform_data | ||
170 | pca100_nand_board_info __initconst = { | ||
171 | .width = 1, | ||
172 | .hw_ecc = 1, | ||
173 | }; | ||
174 | |||
175 | static struct platform_device *platform_devices[] __initdata = { | ||
176 | &mxc_w1_master_device, | ||
177 | &mxc_fec_device, | ||
178 | &mxc_wdt, | ||
179 | }; | ||
180 | |||
181 | static const struct imxi2c_platform_data pca100_i2c1_data __initconst = { | ||
182 | .bitrate = 100000, | ||
183 | }; | ||
184 | |||
185 | static struct at24_platform_data board_eeprom = { | ||
186 | .byte_len = 4096, | ||
187 | .page_size = 32, | ||
188 | .flags = AT24_FLAG_ADDR16, | ||
189 | }; | ||
190 | |||
191 | static struct i2c_board_info pca100_i2c_devices[] = { | ||
192 | { | ||
193 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ | ||
194 | .platform_data = &board_eeprom, | ||
195 | }, { | ||
196 | I2C_BOARD_INFO("rtc-pcf8563", 0x51), | ||
197 | .type = "pcf8563" | ||
198 | }, { | ||
199 | I2C_BOARD_INFO("lm75", 0x4a), | ||
200 | .type = "lm75" | ||
201 | } | ||
202 | }; | ||
203 | |||
204 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
205 | static struct spi_eeprom at25320 = { | ||
206 | .name = "at25320an", | ||
207 | .byte_len = 4096, | ||
208 | .page_size = 32, | ||
209 | .flags = EE_ADDR2, | ||
210 | }; | ||
211 | |||
212 | static struct spi_board_info pca100_spi_board_info[] __initdata = { | ||
213 | { | ||
214 | .modalias = "at25", | ||
215 | .max_speed_hz = 30000, | ||
216 | .bus_num = 0, | ||
217 | .chip_select = 1, | ||
218 | .platform_data = &at25320, | ||
219 | }, | ||
220 | }; | ||
221 | |||
222 | static int pca100_spi_cs[] = {SPI1_SS0, SPI1_SS1}; | ||
223 | |||
224 | static const struct spi_imx_master pca100_spi0_data __initconst = { | ||
225 | .chipselect = pca100_spi_cs, | ||
226 | .num_chipselect = ARRAY_SIZE(pca100_spi_cs), | ||
227 | }; | ||
228 | #endif | ||
229 | |||
230 | static void pca100_ac97_warm_reset(struct snd_ac97 *ac97) | ||
231 | { | ||
232 | mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); | ||
233 | gpio_set_value(GPIO_PORTC + 20, 1); | ||
234 | udelay(2); | ||
235 | gpio_set_value(GPIO_PORTC + 20, 0); | ||
236 | mxc_gpio_mode(PC20_PF_SSI1_FS); | ||
237 | msleep(2); | ||
238 | } | ||
239 | |||
240 | static void pca100_ac97_cold_reset(struct snd_ac97 *ac97) | ||
241 | { | ||
242 | mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT); /* FS */ | ||
243 | gpio_set_value(GPIO_PORTC + 20, 0); | ||
244 | mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT); /* TX */ | ||
245 | gpio_set_value(GPIO_PORTC + 22, 0); | ||
246 | mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT); /* reset */ | ||
247 | gpio_set_value(GPIO_PORTC + 28, 0); | ||
248 | udelay(10); | ||
249 | gpio_set_value(GPIO_PORTC + 28, 1); | ||
250 | mxc_gpio_mode(PC20_PF_SSI1_FS); | ||
251 | mxc_gpio_mode(PC22_PF_SSI1_TXD); | ||
252 | msleep(2); | ||
253 | } | ||
254 | |||
255 | static struct imx_ssi_platform_data pca100_ssi_pdata = { | ||
256 | .ac97_reset = pca100_ac97_cold_reset, | ||
257 | .ac97_warm_reset = pca100_ac97_warm_reset, | ||
258 | .flags = IMX_SSI_USE_AC97, | ||
259 | }; | ||
260 | |||
261 | static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq, | ||
262 | void *data) | ||
263 | { | ||
264 | int ret; | ||
265 | |||
266 | ret = request_irq(IRQ_GPIOC(29), detect_irq, | ||
267 | IRQF_DISABLED | IRQF_TRIGGER_FALLING, | ||
268 | "imx-mmc-detect", data); | ||
269 | if (ret) | ||
270 | printk(KERN_ERR | ||
271 | "pca100: Failed to reuest irq for sd/mmc detection\n"); | ||
272 | |||
273 | return ret; | ||
274 | } | ||
275 | |||
276 | static void pca100_sdhc2_exit(struct device *dev, void *data) | ||
277 | { | ||
278 | free_irq(IRQ_GPIOC(29), data); | ||
279 | } | ||
280 | |||
281 | static struct imxmmc_platform_data sdhc_pdata = { | ||
282 | .init = pca100_sdhc2_init, | ||
283 | .exit = pca100_sdhc2_exit, | ||
284 | }; | ||
285 | |||
286 | #if defined(CONFIG_USB_ULPI) | ||
287 | static int otg_phy_init(struct platform_device *pdev) | ||
288 | { | ||
289 | gpio_set_value(OTG_PHY_CS_GPIO, 0); | ||
290 | return 0; | ||
291 | } | ||
292 | |||
293 | static struct mxc_usbh_platform_data otg_pdata = { | ||
294 | .init = otg_phy_init, | ||
295 | .portsc = MXC_EHCI_MODE_ULPI, | ||
296 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | ||
297 | }; | ||
298 | |||
299 | static int usbh2_phy_init(struct platform_device *pdev) | ||
300 | { | ||
301 | gpio_set_value(USBH2_PHY_CS_GPIO, 0); | ||
302 | return 0; | ||
303 | } | ||
304 | |||
305 | static struct mxc_usbh_platform_data usbh2_pdata = { | ||
306 | .init = usbh2_phy_init, | ||
307 | .portsc = MXC_EHCI_MODE_ULPI, | ||
308 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | ||
309 | }; | ||
310 | #endif | ||
311 | |||
312 | static struct fsl_usb2_platform_data otg_device_pdata = { | ||
313 | .operating_mode = FSL_USB2_DR_DEVICE, | ||
314 | .phy_mode = FSL_USB2_PHY_ULPI, | ||
315 | }; | ||
316 | |||
317 | static int otg_mode_host; | ||
318 | |||
319 | static int __init pca100_otg_mode(char *options) | ||
320 | { | ||
321 | if (!strcmp(options, "host")) | ||
322 | otg_mode_host = 1; | ||
323 | else if (!strcmp(options, "device")) | ||
324 | otg_mode_host = 0; | ||
325 | else | ||
326 | pr_info("otg_mode neither \"host\" nor \"device\". " | ||
327 | "Defaulting to device\n"); | ||
328 | return 0; | ||
329 | } | ||
330 | __setup("otg_mode=", pca100_otg_mode); | ||
331 | |||
332 | /* framebuffer info */ | ||
333 | static struct imx_fb_videomode pca100_fb_modes[] = { | ||
334 | { | ||
335 | .mode = { | ||
336 | .name = "EMERGING-ETV570G0DHU", | ||
337 | .refresh = 60, | ||
338 | .xres = 640, | ||
339 | .yres = 480, | ||
340 | .pixclock = 39722, /* in ps (25.175 MHz) */ | ||
341 | .hsync_len = 30, | ||
342 | .left_margin = 114, | ||
343 | .right_margin = 16, | ||
344 | .vsync_len = 3, | ||
345 | .upper_margin = 32, | ||
346 | .lower_margin = 0, | ||
347 | }, | ||
348 | /* | ||
349 | * TFT | ||
350 | * Pixel pol active high | ||
351 | * HSYNC active low | ||
352 | * VSYNC active low | ||
353 | * use HSYNC for ACD count | ||
354 | * line clock disable while idle | ||
355 | * always enable line clock even if no data | ||
356 | */ | ||
357 | .pcr = 0xf0c08080, | ||
358 | .bpp = 16, | ||
359 | }, | ||
360 | }; | ||
361 | |||
362 | static struct imx_fb_platform_data pca100_fb_data = { | ||
363 | .mode = pca100_fb_modes, | ||
364 | .num_modes = ARRAY_SIZE(pca100_fb_modes), | ||
365 | |||
366 | .pwmr = 0x00A903FF, | ||
367 | .lscr1 = 0x00120300, | ||
368 | .dmacr = 0x00020010, | ||
369 | }; | ||
370 | |||
371 | static void __init pca100_init(void) | ||
372 | { | ||
373 | int ret; | ||
374 | |||
375 | /* SSI unit */ | ||
376 | mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, | ||
377 | MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */ | ||
378 | MXC_AUDMUX_V1_PCR_TFCSEL(3) | | ||
379 | MXC_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */ | ||
380 | MXC_AUDMUX_V1_PCR_RXDSEL(3)); | ||
381 | mxc_audmux_v1_configure_port(3, | ||
382 | MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */ | ||
383 | MXC_AUDMUX_V1_PCR_TFCSEL(0) | | ||
384 | MXC_AUDMUX_V1_PCR_TFSDIR | | ||
385 | MXC_AUDMUX_V1_PCR_RXDSEL(0)); | ||
386 | |||
387 | ret = mxc_gpio_setup_multiple_pins(pca100_pins, | ||
388 | ARRAY_SIZE(pca100_pins), "PCA100"); | ||
389 | if (ret) | ||
390 | printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret); | ||
391 | |||
392 | mxc_register_device(&imx_ssi_device0, &pca100_ssi_pdata); | ||
393 | |||
394 | imx27_add_imx_uart0(&uart_pdata); | ||
395 | |||
396 | mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata); | ||
397 | |||
398 | imx27_add_mxc_nand(&pca100_nand_board_info); | ||
399 | |||
400 | /* only the i2c master 1 is used on this CPU card */ | ||
401 | i2c_register_board_info(1, pca100_i2c_devices, | ||
402 | ARRAY_SIZE(pca100_i2c_devices)); | ||
403 | |||
404 | imx27_add_i2c_imx1(&pca100_i2c1_data); | ||
405 | |||
406 | #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) | ||
407 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_IN); | ||
408 | mxc_gpio_mode(GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN); | ||
409 | spi_register_board_info(pca100_spi_board_info, | ||
410 | ARRAY_SIZE(pca100_spi_board_info)); | ||
411 | imx27_add_spi_imx0(&pca100_spi_0_data); | ||
412 | #endif | ||
413 | |||
414 | gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs"); | ||
415 | gpio_direction_output(OTG_PHY_CS_GPIO, 1); | ||
416 | gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs"); | ||
417 | gpio_direction_output(USBH2_PHY_CS_GPIO, 1); | ||
418 | |||
419 | #if defined(CONFIG_USB_ULPI) | ||
420 | if (otg_mode_host) { | ||
421 | otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | ||
422 | USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); | ||
423 | |||
424 | mxc_register_device(&mxc_otg_host, &otg_pdata); | ||
425 | } | ||
426 | |||
427 | usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | ||
428 | USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); | ||
429 | |||
430 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); | ||
431 | #endif | ||
432 | if (!otg_mode_host) { | ||
433 | gpio_set_value(OTG_PHY_CS_GPIO, 0); | ||
434 | mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); | ||
435 | } | ||
436 | |||
437 | mxc_register_device(&mxc_fb_device, &pca100_fb_data); | ||
438 | |||
439 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
440 | } | ||
441 | |||
442 | static void __init pca100_timer_init(void) | ||
443 | { | ||
444 | mx27_clocks_init(26000000); | ||
445 | } | ||
446 | |||
447 | static struct sys_timer pca100_timer = { | ||
448 | .init = pca100_timer_init, | ||
449 | }; | ||
450 | |||
451 | MACHINE_START(PCA100, "phyCARD-i.MX27") | ||
452 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
453 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
454 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
455 | .map_io = mx27_map_io, | ||
456 | .init_irq = mx27_init_irq, | ||
457 | .init_machine = pca100_init, | ||
458 | .timer = &pca100_timer, | ||
459 | MACHINE_END | ||
460 | |||
diff --git a/arch/arm/mach-imx/mach-pcm038.c b/arch/arm/mach-imx/mach-pcm038.c new file mode 100644 index 000000000000..9212e8f37001 --- /dev/null +++ b/arch/arm/mach-imx/mach-pcm038.c | |||
@@ -0,0 +1,352 @@ | |||
1 | /* | ||
2 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | ||
3 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
17 | * MA 02110-1301, USA. | ||
18 | */ | ||
19 | |||
20 | #include <linux/i2c.h> | ||
21 | #include <linux/i2c/at24.h> | ||
22 | #include <linux/io.h> | ||
23 | #include <linux/mtd/plat-ram.h> | ||
24 | #include <linux/mtd/physmap.h> | ||
25 | #include <linux/platform_device.h> | ||
26 | #include <linux/regulator/machine.h> | ||
27 | #include <linux/mfd/mc13783.h> | ||
28 | #include <linux/spi/spi.h> | ||
29 | #include <linux/irq.h> | ||
30 | |||
31 | #include <asm/mach-types.h> | ||
32 | #include <asm/mach/arch.h> | ||
33 | #include <asm/mach/time.h> | ||
34 | |||
35 | #include <mach/board-pcm038.h> | ||
36 | #include <mach/common.h> | ||
37 | #include <mach/hardware.h> | ||
38 | #include <mach/iomux-mx27.h> | ||
39 | #include <mach/mxc_nand.h> | ||
40 | #include <mach/mxc_ehci.h> | ||
41 | #include <mach/ulpi.h> | ||
42 | |||
43 | #include "devices-imx27.h" | ||
44 | #include "devices.h" | ||
45 | |||
46 | static int pcm038_pins[] = { | ||
47 | /* UART1 */ | ||
48 | PE12_PF_UART1_TXD, | ||
49 | PE13_PF_UART1_RXD, | ||
50 | PE14_PF_UART1_CTS, | ||
51 | PE15_PF_UART1_RTS, | ||
52 | /* UART2 */ | ||
53 | PE3_PF_UART2_CTS, | ||
54 | PE4_PF_UART2_RTS, | ||
55 | PE6_PF_UART2_TXD, | ||
56 | PE7_PF_UART2_RXD, | ||
57 | /* UART3 */ | ||
58 | PE8_PF_UART3_TXD, | ||
59 | PE9_PF_UART3_RXD, | ||
60 | PE10_PF_UART3_CTS, | ||
61 | PE11_PF_UART3_RTS, | ||
62 | /* FEC */ | ||
63 | PD0_AIN_FEC_TXD0, | ||
64 | PD1_AIN_FEC_TXD1, | ||
65 | PD2_AIN_FEC_TXD2, | ||
66 | PD3_AIN_FEC_TXD3, | ||
67 | PD4_AOUT_FEC_RX_ER, | ||
68 | PD5_AOUT_FEC_RXD1, | ||
69 | PD6_AOUT_FEC_RXD2, | ||
70 | PD7_AOUT_FEC_RXD3, | ||
71 | PD8_AF_FEC_MDIO, | ||
72 | PD9_AIN_FEC_MDC, | ||
73 | PD10_AOUT_FEC_CRS, | ||
74 | PD11_AOUT_FEC_TX_CLK, | ||
75 | PD12_AOUT_FEC_RXD0, | ||
76 | PD13_AOUT_FEC_RX_DV, | ||
77 | PD14_AOUT_FEC_RX_CLK, | ||
78 | PD15_AOUT_FEC_COL, | ||
79 | PD16_AIN_FEC_TX_ER, | ||
80 | PF23_AIN_FEC_TX_EN, | ||
81 | /* I2C2 */ | ||
82 | PC5_PF_I2C2_SDA, | ||
83 | PC6_PF_I2C2_SCL, | ||
84 | /* SPI1 */ | ||
85 | PD25_PF_CSPI1_RDY, | ||
86 | PD29_PF_CSPI1_SCLK, | ||
87 | PD30_PF_CSPI1_MISO, | ||
88 | PD31_PF_CSPI1_MOSI, | ||
89 | /* SSI1 */ | ||
90 | PC20_PF_SSI1_FS, | ||
91 | PC21_PF_SSI1_RXD, | ||
92 | PC22_PF_SSI1_TXD, | ||
93 | PC23_PF_SSI1_CLK, | ||
94 | /* SSI4 */ | ||
95 | PC16_PF_SSI4_FS, | ||
96 | PC17_PF_SSI4_RXD, | ||
97 | PC18_PF_SSI4_TXD, | ||
98 | PC19_PF_SSI4_CLK, | ||
99 | /* USB host */ | ||
100 | PA0_PF_USBH2_CLK, | ||
101 | PA1_PF_USBH2_DIR, | ||
102 | PA2_PF_USBH2_DATA7, | ||
103 | PA3_PF_USBH2_NXT, | ||
104 | PA4_PF_USBH2_STP, | ||
105 | PD19_AF_USBH2_DATA4, | ||
106 | PD20_AF_USBH2_DATA3, | ||
107 | PD21_AF_USBH2_DATA6, | ||
108 | PD22_AF_USBH2_DATA0, | ||
109 | PD23_AF_USBH2_DATA2, | ||
110 | PD24_AF_USBH2_DATA1, | ||
111 | PD26_AF_USBH2_DATA5, | ||
112 | }; | ||
113 | |||
114 | /* | ||
115 | * Phytec's PCM038 comes with 2MiB battery buffered SRAM, | ||
116 | * 16 bit width | ||
117 | */ | ||
118 | |||
119 | static struct platdata_mtd_ram pcm038_sram_data = { | ||
120 | .bankwidth = 2, | ||
121 | }; | ||
122 | |||
123 | static struct resource pcm038_sram_resource = { | ||
124 | .start = MX27_CS1_BASE_ADDR, | ||
125 | .end = MX27_CS1_BASE_ADDR + 512 * 1024 - 1, | ||
126 | .flags = IORESOURCE_MEM, | ||
127 | }; | ||
128 | |||
129 | static struct platform_device pcm038_sram_mtd_device = { | ||
130 | .name = "mtd-ram", | ||
131 | .id = 0, | ||
132 | .dev = { | ||
133 | .platform_data = &pcm038_sram_data, | ||
134 | }, | ||
135 | .num_resources = 1, | ||
136 | .resource = &pcm038_sram_resource, | ||
137 | }; | ||
138 | |||
139 | /* | ||
140 | * Phytec's phyCORE-i.MX27 comes with 32MiB flash, | ||
141 | * 16 bit width | ||
142 | */ | ||
143 | static struct physmap_flash_data pcm038_flash_data = { | ||
144 | .width = 2, | ||
145 | }; | ||
146 | |||
147 | static struct resource pcm038_flash_resource = { | ||
148 | .start = 0xc0000000, | ||
149 | .end = 0xc1ffffff, | ||
150 | .flags = IORESOURCE_MEM, | ||
151 | }; | ||
152 | |||
153 | static struct platform_device pcm038_nor_mtd_device = { | ||
154 | .name = "physmap-flash", | ||
155 | .id = 0, | ||
156 | .dev = { | ||
157 | .platform_data = &pcm038_flash_data, | ||
158 | }, | ||
159 | .num_resources = 1, | ||
160 | .resource = &pcm038_flash_resource, | ||
161 | }; | ||
162 | |||
163 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
164 | .flags = IMXUART_HAVE_RTSCTS, | ||
165 | }; | ||
166 | |||
167 | static const struct mxc_nand_platform_data | ||
168 | pcm038_nand_board_info __initconst = { | ||
169 | .width = 1, | ||
170 | .hw_ecc = 1, | ||
171 | }; | ||
172 | |||
173 | static struct platform_device *platform_devices[] __initdata = { | ||
174 | &pcm038_nor_mtd_device, | ||
175 | &mxc_w1_master_device, | ||
176 | &mxc_fec_device, | ||
177 | &pcm038_sram_mtd_device, | ||
178 | &mxc_wdt, | ||
179 | }; | ||
180 | |||
181 | /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and | ||
182 | * setup other stuffs to access the sram. */ | ||
183 | static void __init pcm038_init_sram(void) | ||
184 | { | ||
185 | mx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00); | ||
186 | } | ||
187 | |||
188 | static const struct imxi2c_platform_data pcm038_i2c1_data __initconst = { | ||
189 | .bitrate = 100000, | ||
190 | }; | ||
191 | |||
192 | static struct at24_platform_data board_eeprom = { | ||
193 | .byte_len = 4096, | ||
194 | .page_size = 32, | ||
195 | .flags = AT24_FLAG_ADDR16, | ||
196 | }; | ||
197 | |||
198 | static struct i2c_board_info pcm038_i2c_devices[] = { | ||
199 | { | ||
200 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ | ||
201 | .platform_data = &board_eeprom, | ||
202 | }, { | ||
203 | I2C_BOARD_INFO("pcf8563", 0x51), | ||
204 | }, { | ||
205 | I2C_BOARD_INFO("lm75", 0x4a), | ||
206 | } | ||
207 | }; | ||
208 | |||
209 | static int pcm038_spi_cs[] = {GPIO_PORTD + 28}; | ||
210 | |||
211 | static const struct spi_imx_master pcm038_spi0_data __initconst = { | ||
212 | .chipselect = pcm038_spi_cs, | ||
213 | .num_chipselect = ARRAY_SIZE(pcm038_spi_cs), | ||
214 | }; | ||
215 | |||
216 | static struct regulator_consumer_supply sdhc1_consumers[] = { | ||
217 | { | ||
218 | .dev = &mxc_sdhc_device1.dev, | ||
219 | .supply = "sdhc_vcc", | ||
220 | }, | ||
221 | }; | ||
222 | |||
223 | static struct regulator_init_data sdhc1_data = { | ||
224 | .constraints = { | ||
225 | .min_uV = 3000000, | ||
226 | .max_uV = 3400000, | ||
227 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | ||
228 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | ||
229 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | ||
230 | REGULATOR_MODE_FAST, | ||
231 | .always_on = 0, | ||
232 | .boot_on = 0, | ||
233 | }, | ||
234 | .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers), | ||
235 | .consumer_supplies = sdhc1_consumers, | ||
236 | }; | ||
237 | |||
238 | static struct regulator_consumer_supply cam_consumers[] = { | ||
239 | { | ||
240 | .dev = NULL, | ||
241 | .supply = "imx_cam_vcc", | ||
242 | }, | ||
243 | }; | ||
244 | |||
245 | static struct regulator_init_data cam_data = { | ||
246 | .constraints = { | ||
247 | .min_uV = 3000000, | ||
248 | .max_uV = 3400000, | ||
249 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | ||
250 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | ||
251 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | ||
252 | REGULATOR_MODE_FAST, | ||
253 | .always_on = 0, | ||
254 | .boot_on = 0, | ||
255 | }, | ||
256 | .num_consumer_supplies = ARRAY_SIZE(cam_consumers), | ||
257 | .consumer_supplies = cam_consumers, | ||
258 | }; | ||
259 | |||
260 | struct mc13783_regulator_init_data pcm038_regulators[] = { | ||
261 | { | ||
262 | .id = MC13783_REGU_VCAM, | ||
263 | .init_data = &cam_data, | ||
264 | }, { | ||
265 | .id = MC13783_REGU_VMMC1, | ||
266 | .init_data = &sdhc1_data, | ||
267 | }, | ||
268 | }; | ||
269 | |||
270 | static struct mc13783_platform_data pcm038_pmic = { | ||
271 | .regulators = pcm038_regulators, | ||
272 | .num_regulators = ARRAY_SIZE(pcm038_regulators), | ||
273 | .flags = MC13783_USE_ADC | MC13783_USE_REGULATOR | | ||
274 | MC13783_USE_TOUCHSCREEN, | ||
275 | }; | ||
276 | |||
277 | static struct spi_board_info pcm038_spi_board_info[] __initdata = { | ||
278 | { | ||
279 | .modalias = "mc13783", | ||
280 | .irq = IRQ_GPIOB(23), | ||
281 | .max_speed_hz = 300000, | ||
282 | .bus_num = 0, | ||
283 | .chip_select = 0, | ||
284 | .platform_data = &pcm038_pmic, | ||
285 | .mode = SPI_CS_HIGH, | ||
286 | } | ||
287 | }; | ||
288 | |||
289 | static struct mxc_usbh_platform_data usbh2_pdata = { | ||
290 | .portsc = MXC_EHCI_MODE_ULPI, | ||
291 | .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI, | ||
292 | }; | ||
293 | |||
294 | static void __init pcm038_init(void) | ||
295 | { | ||
296 | mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins), | ||
297 | "PCM038"); | ||
298 | |||
299 | pcm038_init_sram(); | ||
300 | |||
301 | imx27_add_imx_uart0(&uart_pdata); | ||
302 | imx27_add_imx_uart1(&uart_pdata); | ||
303 | imx27_add_imx_uart2(&uart_pdata); | ||
304 | |||
305 | mxc_gpio_mode(PE16_AF_OWIRE); | ||
306 | imx27_add_mxc_nand(&pcm038_nand_board_info); | ||
307 | |||
308 | /* only the i2c master 1 is used on this CPU card */ | ||
309 | i2c_register_board_info(1, pcm038_i2c_devices, | ||
310 | ARRAY_SIZE(pcm038_i2c_devices)); | ||
311 | |||
312 | imx27_add_i2c_imx1(&pcm038_i2c1_data); | ||
313 | |||
314 | /* PE18 for user-LED D40 */ | ||
315 | mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT); | ||
316 | |||
317 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); | ||
318 | |||
319 | /* MC13783 IRQ */ | ||
320 | mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN); | ||
321 | |||
322 | imx27_add_spi_imx0(&pcm038_spi0_data); | ||
323 | spi_register_board_info(pcm038_spi_board_info, | ||
324 | ARRAY_SIZE(pcm038_spi_board_info)); | ||
325 | |||
326 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); | ||
327 | |||
328 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
329 | |||
330 | #ifdef CONFIG_MACH_PCM970_BASEBOARD | ||
331 | pcm970_baseboard_init(); | ||
332 | #endif | ||
333 | } | ||
334 | |||
335 | static void __init pcm038_timer_init(void) | ||
336 | { | ||
337 | mx27_clocks_init(26000000); | ||
338 | } | ||
339 | |||
340 | static struct sys_timer pcm038_timer = { | ||
341 | .init = pcm038_timer_init, | ||
342 | }; | ||
343 | |||
344 | MACHINE_START(PCM038, "phyCORE-i.MX27") | ||
345 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
346 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
347 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
348 | .map_io = mx27_map_io, | ||
349 | .init_irq = mx27_init_irq, | ||
350 | .init_machine = pcm038_init, | ||
351 | .timer = &pcm038_timer, | ||
352 | MACHINE_END | ||
diff --git a/arch/arm/mach-imx/mach-scb9328.c b/arch/arm/mach-imx/mach-scb9328.c new file mode 100644 index 000000000000..88bf0d1e26e6 --- /dev/null +++ b/arch/arm/mach-imx/mach-scb9328.c | |||
@@ -0,0 +1,157 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-mx1/mach-scb9328.c | ||
3 | * | ||
4 | * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de> | ||
5 | * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | * | ||
11 | */ | ||
12 | |||
13 | #include <linux/platform_device.h> | ||
14 | #include <linux/mtd/physmap.h> | ||
15 | #include <linux/interrupt.h> | ||
16 | #include <linux/dm9000.h> | ||
17 | |||
18 | #include <asm/mach-types.h> | ||
19 | #include <asm/mach/arch.h> | ||
20 | #include <asm/mach/time.h> | ||
21 | |||
22 | #include <mach/common.h> | ||
23 | #include <mach/hardware.h> | ||
24 | #include <mach/irqs.h> | ||
25 | #include <mach/iomux-mx1.h> | ||
26 | |||
27 | #include "devices-imx1.h" | ||
28 | #include "devices.h" | ||
29 | |||
30 | /* | ||
31 | * This scb9328 has a 32MiB flash | ||
32 | */ | ||
33 | static struct resource flash_resource = { | ||
34 | .start = MX1_CS0_PHYS, | ||
35 | .end = MX1_CS0_PHYS + (32 * 1024 * 1024) - 1, | ||
36 | .flags = IORESOURCE_MEM, | ||
37 | }; | ||
38 | |||
39 | static struct physmap_flash_data scb_flash_data = { | ||
40 | .width = 2, | ||
41 | }; | ||
42 | |||
43 | static struct platform_device scb_flash_device = { | ||
44 | .name = "physmap-flash", | ||
45 | .id = 0, | ||
46 | .dev = { | ||
47 | .platform_data = &scb_flash_data, | ||
48 | }, | ||
49 | .resource = &flash_resource, | ||
50 | .num_resources = 1, | ||
51 | }; | ||
52 | |||
53 | /* | ||
54 | * scb9328 has a DM9000 network controller | ||
55 | * connected to CS5, with 16 bit data path | ||
56 | * and interrupt connected to GPIO 3 | ||
57 | */ | ||
58 | |||
59 | /* | ||
60 | * internal datapath is fixed 16 bit | ||
61 | */ | ||
62 | static struct dm9000_plat_data dm9000_platdata = { | ||
63 | .flags = DM9000_PLATF_16BITONLY, | ||
64 | }; | ||
65 | |||
66 | /* | ||
67 | * the DM9000 drivers wants two defined address spaces | ||
68 | * to gain access to address latch registers and the data path. | ||
69 | */ | ||
70 | static struct resource dm9000x_resources[] = { | ||
71 | { | ||
72 | .name = "address area", | ||
73 | .start = MX1_CS5_PHYS, | ||
74 | .end = MX1_CS5_PHYS + 1, | ||
75 | .flags = IORESOURCE_MEM, /* address access */ | ||
76 | }, { | ||
77 | .name = "data area", | ||
78 | .start = MX1_CS5_PHYS + 4, | ||
79 | .end = MX1_CS5_PHYS + 5, | ||
80 | .flags = IORESOURCE_MEM, /* data access */ | ||
81 | }, { | ||
82 | .start = IRQ_GPIOC(3), | ||
83 | .end = IRQ_GPIOC(3), | ||
84 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | ||
85 | }, | ||
86 | }; | ||
87 | |||
88 | static struct platform_device dm9000x_device = { | ||
89 | .name = "dm9000", | ||
90 | .id = 0, | ||
91 | .num_resources = ARRAY_SIZE(dm9000x_resources), | ||
92 | .resource = dm9000x_resources, | ||
93 | .dev = { | ||
94 | .platform_data = &dm9000_platdata, | ||
95 | } | ||
96 | }; | ||
97 | |||
98 | static int mxc_uart1_pins[] = { | ||
99 | PC9_PF_UART1_CTS, | ||
100 | PC10_PF_UART1_RTS, | ||
101 | PC11_PF_UART1_TXD, | ||
102 | PC12_PF_UART1_RXD, | ||
103 | }; | ||
104 | |||
105 | static int uart1_mxc_init(struct platform_device *pdev) | ||
106 | { | ||
107 | return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, | ||
108 | ARRAY_SIZE(mxc_uart1_pins), "UART1"); | ||
109 | } | ||
110 | |||
111 | static void uart1_mxc_exit(struct platform_device *pdev) | ||
112 | { | ||
113 | mxc_gpio_release_multiple_pins(mxc_uart1_pins, | ||
114 | ARRAY_SIZE(mxc_uart1_pins)); | ||
115 | } | ||
116 | |||
117 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
118 | .init = uart1_mxc_init, | ||
119 | .exit = uart1_mxc_exit, | ||
120 | .flags = IMXUART_HAVE_RTSCTS, | ||
121 | }; | ||
122 | |||
123 | static struct platform_device *devices[] __initdata = { | ||
124 | &scb_flash_device, | ||
125 | &dm9000x_device, | ||
126 | }; | ||
127 | |||
128 | /* | ||
129 | * scb9328_init - Init the CPU card itself | ||
130 | */ | ||
131 | static void __init scb9328_init(void) | ||
132 | { | ||
133 | imx1_add_imx_uart0(&uart_pdata); | ||
134 | |||
135 | printk(KERN_INFO"Scb9328: Adding devices\n"); | ||
136 | platform_add_devices(devices, ARRAY_SIZE(devices)); | ||
137 | } | ||
138 | |||
139 | static void __init scb9328_timer_init(void) | ||
140 | { | ||
141 | mx1_clocks_init(32000); | ||
142 | } | ||
143 | |||
144 | static struct sys_timer scb9328_timer = { | ||
145 | .init = scb9328_timer_init, | ||
146 | }; | ||
147 | |||
148 | MACHINE_START(SCB9328, "Synertronixx scb9328") | ||
149 | /* Sascha Hauer */ | ||
150 | .phys_io = 0x00200000, | ||
151 | .io_pg_offst = ((0xe0200000) >> 18) & 0xfffc, | ||
152 | .boot_params = 0x08000100, | ||
153 | .map_io = mx1_map_io, | ||
154 | .init_irq = mx1_init_irq, | ||
155 | .timer = &scb9328_timer, | ||
156 | .init_machine = scb9328_init, | ||
157 | MACHINE_END | ||
diff --git a/arch/arm/mach-imx/mm-imx1.c b/arch/arm/mach-imx/mm-imx1.c new file mode 100644 index 000000000000..9be92b96dc89 --- /dev/null +++ b/arch/arm/mach-imx/mm-imx1.c | |||
@@ -0,0 +1,50 @@ | |||
1 | /* | ||
2 | * author: Sascha Hauer | ||
3 | * Created: april 20th, 2004 | ||
4 | * Copyright: Synertronixx GmbH | ||
5 | * | ||
6 | * Common code for i.MX1 machines | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | */ | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/io.h> | ||
21 | |||
22 | #include <asm/mach/map.h> | ||
23 | |||
24 | #include <mach/common.h> | ||
25 | #include <mach/hardware.h> | ||
26 | |||
27 | static struct map_desc imx_io_desc[] __initdata = { | ||
28 | { | ||
29 | .virtual = MX1_IO_BASE_ADDR_VIRT, | ||
30 | .pfn = __phys_to_pfn(MX1_IO_BASE_ADDR), | ||
31 | .length = MX1_IO_SIZE, | ||
32 | .type = MT_DEVICE | ||
33 | } | ||
34 | }; | ||
35 | |||
36 | void __init mx1_map_io(void) | ||
37 | { | ||
38 | mxc_set_cpu_type(MXC_CPU_MX1); | ||
39 | mxc_arch_reset_init(MX1_IO_ADDRESS(MX1_WDT_BASE_ADDR)); | ||
40 | |||
41 | iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc)); | ||
42 | } | ||
43 | |||
44 | int imx1_register_gpios(void); | ||
45 | |||
46 | void __init mx1_init_irq(void) | ||
47 | { | ||
48 | mxc_init_irq(MX1_IO_ADDRESS(MX1_AVIC_BASE_ADDR)); | ||
49 | imx1_register_gpios(); | ||
50 | } | ||
diff --git a/arch/arm/mach-imx/mm-imx21.c b/arch/arm/mach-imx/mm-imx21.c new file mode 100644 index 000000000000..12faeeaa0a97 --- /dev/null +++ b/arch/arm/mach-imx/mm-imx21.c | |||
@@ -0,0 +1,86 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-imx/mm-imx21.c | ||
3 | * | ||
4 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
18 | * MA 02110-1301, USA. | ||
19 | */ | ||
20 | |||
21 | #include <linux/mm.h> | ||
22 | #include <linux/init.h> | ||
23 | #include <mach/hardware.h> | ||
24 | #include <mach/common.h> | ||
25 | #include <asm/pgtable.h> | ||
26 | #include <asm/mach/map.h> | ||
27 | |||
28 | /* MX21 memory map definition */ | ||
29 | static struct map_desc imx21_io_desc[] __initdata = { | ||
30 | /* | ||
31 | * this fixed mapping covers: | ||
32 | * - AIPI1 | ||
33 | * - AIPI2 | ||
34 | * - AITC | ||
35 | * - ROM Patch | ||
36 | * - and some reserved space | ||
37 | */ | ||
38 | { | ||
39 | .virtual = MX21_AIPI_BASE_ADDR_VIRT, | ||
40 | .pfn = __phys_to_pfn(MX21_AIPI_BASE_ADDR), | ||
41 | .length = MX21_AIPI_SIZE, | ||
42 | .type = MT_DEVICE | ||
43 | }, | ||
44 | /* | ||
45 | * this fixed mapping covers: | ||
46 | * - CSI | ||
47 | * - ATA | ||
48 | */ | ||
49 | { | ||
50 | .virtual = MX21_SAHB1_BASE_ADDR_VIRT, | ||
51 | .pfn = __phys_to_pfn(MX21_SAHB1_BASE_ADDR), | ||
52 | .length = MX21_SAHB1_SIZE, | ||
53 | .type = MT_DEVICE | ||
54 | }, | ||
55 | /* | ||
56 | * this fixed mapping covers: | ||
57 | * - EMI | ||
58 | */ | ||
59 | { | ||
60 | .virtual = MX21_X_MEMC_BASE_ADDR_VIRT, | ||
61 | .pfn = __phys_to_pfn(MX21_X_MEMC_BASE_ADDR), | ||
62 | .length = MX21_X_MEMC_SIZE, | ||
63 | .type = MT_DEVICE | ||
64 | }, | ||
65 | }; | ||
66 | |||
67 | /* | ||
68 | * Initialize the memory map. It is called during the | ||
69 | * system startup to create static physical to virtual | ||
70 | * memory map for the IO modules. | ||
71 | */ | ||
72 | void __init mx21_map_io(void) | ||
73 | { | ||
74 | mxc_set_cpu_type(MXC_CPU_MX21); | ||
75 | mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR)); | ||
76 | |||
77 | iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc)); | ||
78 | } | ||
79 | |||
80 | int imx21_register_gpios(void); | ||
81 | |||
82 | void __init mx21_init_irq(void) | ||
83 | { | ||
84 | mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR)); | ||
85 | imx21_register_gpios(); | ||
86 | } | ||
diff --git a/arch/arm/mach-imx/mm-imx27.c b/arch/arm/mach-imx/mm-imx27.c new file mode 100644 index 000000000000..a24622957ff2 --- /dev/null +++ b/arch/arm/mach-imx/mm-imx27.c | |||
@@ -0,0 +1,86 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-imx/mm-imx27.c | ||
3 | * | ||
4 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version 2 | ||
9 | * of the License, or (at your option) any later version. | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
18 | * MA 02110-1301, USA. | ||
19 | */ | ||
20 | |||
21 | #include <linux/mm.h> | ||
22 | #include <linux/init.h> | ||
23 | #include <mach/hardware.h> | ||
24 | #include <mach/common.h> | ||
25 | #include <asm/pgtable.h> | ||
26 | #include <asm/mach/map.h> | ||
27 | |||
28 | /* MX27 memory map definition */ | ||
29 | static struct map_desc imx27_io_desc[] __initdata = { | ||
30 | /* | ||
31 | * this fixed mapping covers: | ||
32 | * - AIPI1 | ||
33 | * - AIPI2 | ||
34 | * - AITC | ||
35 | * - ROM Patch | ||
36 | * - and some reserved space | ||
37 | */ | ||
38 | { | ||
39 | .virtual = MX27_AIPI_BASE_ADDR_VIRT, | ||
40 | .pfn = __phys_to_pfn(MX27_AIPI_BASE_ADDR), | ||
41 | .length = MX27_AIPI_SIZE, | ||
42 | .type = MT_DEVICE | ||
43 | }, | ||
44 | /* | ||
45 | * this fixed mapping covers: | ||
46 | * - CSI | ||
47 | * - ATA | ||
48 | */ | ||
49 | { | ||
50 | .virtual = MX27_SAHB1_BASE_ADDR_VIRT, | ||
51 | .pfn = __phys_to_pfn(MX27_SAHB1_BASE_ADDR), | ||
52 | .length = MX27_SAHB1_SIZE, | ||
53 | .type = MT_DEVICE | ||
54 | }, | ||
55 | /* | ||
56 | * this fixed mapping covers: | ||
57 | * - EMI | ||
58 | */ | ||
59 | { | ||
60 | .virtual = MX27_X_MEMC_BASE_ADDR_VIRT, | ||
61 | .pfn = __phys_to_pfn(MX27_X_MEMC_BASE_ADDR), | ||
62 | .length = MX27_X_MEMC_SIZE, | ||
63 | .type = MT_DEVICE | ||
64 | }, | ||
65 | }; | ||
66 | |||
67 | /* | ||
68 | * Initialize the memory map. It is called during the | ||
69 | * system startup to create static physical to virtual | ||
70 | * memory map for the IO modules. | ||
71 | */ | ||
72 | void __init mx27_map_io(void) | ||
73 | { | ||
74 | mxc_set_cpu_type(MXC_CPU_MX27); | ||
75 | mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR)); | ||
76 | |||
77 | iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc)); | ||
78 | } | ||
79 | |||
80 | int imx27_register_gpios(void); | ||
81 | |||
82 | void __init mx27_init_irq(void) | ||
83 | { | ||
84 | mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR)); | ||
85 | imx27_register_gpios(); | ||
86 | } | ||
diff --git a/arch/arm/mach-imx/mx1-camera-fiq-ksym.c b/arch/arm/mach-imx/mx1-camera-fiq-ksym.c new file mode 100644 index 000000000000..b09ee12a4ff0 --- /dev/null +++ b/arch/arm/mach-imx/mx1-camera-fiq-ksym.c | |||
@@ -0,0 +1,18 @@ | |||
1 | /* | ||
2 | * Exported ksyms of ARCH_MX1 | ||
3 | * | ||
4 | * Copyright (C) 2008, Darius Augulis <augulis.darius@gmail.com> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #include <linux/platform_device.h> | ||
12 | #include <linux/module.h> | ||
13 | |||
14 | #include <mach/mx1_camera.h> | ||
15 | |||
16 | /* IMX camera FIQ handler */ | ||
17 | EXPORT_SYMBOL(mx1_camera_sof_fiq_start); | ||
18 | EXPORT_SYMBOL(mx1_camera_sof_fiq_end); | ||
diff --git a/arch/arm/mach-imx/mx1-camera-fiq.S b/arch/arm/mach-imx/mx1-camera-fiq.S new file mode 100644 index 000000000000..9c69aa65bf17 --- /dev/null +++ b/arch/arm/mach-imx/mx1-camera-fiq.S | |||
@@ -0,0 +1,35 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> | ||
3 | * | ||
4 | * Based on linux/arch/arm/lib/floppydma.S | ||
5 | * Copyright (C) 1995, 1996 Russell King | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | */ | ||
11 | #include <linux/linkage.h> | ||
12 | #include <asm/assembler.h> | ||
13 | |||
14 | .text | ||
15 | .global mx1_camera_sof_fiq_end | ||
16 | .global mx1_camera_sof_fiq_start | ||
17 | mx1_camera_sof_fiq_start: | ||
18 | @ enable dma | ||
19 | ldr r12, [r9] | ||
20 | orr r12, r12, #0x00000001 | ||
21 | str r12, [r9] | ||
22 | @ unmask DMA interrupt | ||
23 | ldr r12, [r8] | ||
24 | bic r12, r12, r13 | ||
25 | str r12, [r8] | ||
26 | @ disable SOF interrupt | ||
27 | ldr r12, [r10] | ||
28 | bic r12, r12, #0x00010000 | ||
29 | str r12, [r10] | ||
30 | @ clear SOF flag | ||
31 | mov r12, #0x00010000 | ||
32 | str r12, [r11] | ||
33 | @ return from FIQ | ||
34 | subs pc, lr, #4 | ||
35 | mx1_camera_sof_fiq_end: | ||
diff --git a/arch/arm/mach-imx/pcm970-baseboard.c b/arch/arm/mach-imx/pcm970-baseboard.c new file mode 100644 index 000000000000..f490a406d57e --- /dev/null +++ b/arch/arm/mach-imx/pcm970-baseboard.c | |||
@@ -0,0 +1,233 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License | ||
6 | * as published by the Free Software Foundation; either version 2 | ||
7 | * of the License, or (at your option) any later version. | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program; if not, write to the Free Software | ||
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
16 | * MA 02110-1301, USA. | ||
17 | */ | ||
18 | |||
19 | #include <linux/gpio.h> | ||
20 | #include <linux/irq.h> | ||
21 | #include <linux/platform_device.h> | ||
22 | #include <linux/can/platform/sja1000.h> | ||
23 | |||
24 | #include <asm/mach/arch.h> | ||
25 | |||
26 | #include <mach/common.h> | ||
27 | #include <mach/iomux-mx27.h> | ||
28 | #include <mach/imxfb.h> | ||
29 | #include <mach/hardware.h> | ||
30 | #include <mach/mmc.h> | ||
31 | |||
32 | #include "devices.h" | ||
33 | |||
34 | static int pcm970_pins[] = { | ||
35 | /* SDHC */ | ||
36 | PB4_PF_SD2_D0, | ||
37 | PB5_PF_SD2_D1, | ||
38 | PB6_PF_SD2_D2, | ||
39 | PB7_PF_SD2_D3, | ||
40 | PB8_PF_SD2_CMD, | ||
41 | PB9_PF_SD2_CLK, | ||
42 | /* display */ | ||
43 | PA5_PF_LSCLK, | ||
44 | PA6_PF_LD0, | ||
45 | PA7_PF_LD1, | ||
46 | PA8_PF_LD2, | ||
47 | PA9_PF_LD3, | ||
48 | PA10_PF_LD4, | ||
49 | PA11_PF_LD5, | ||
50 | PA12_PF_LD6, | ||
51 | PA13_PF_LD7, | ||
52 | PA14_PF_LD8, | ||
53 | PA15_PF_LD9, | ||
54 | PA16_PF_LD10, | ||
55 | PA17_PF_LD11, | ||
56 | PA18_PF_LD12, | ||
57 | PA19_PF_LD13, | ||
58 | PA20_PF_LD14, | ||
59 | PA21_PF_LD15, | ||
60 | PA22_PF_LD16, | ||
61 | PA23_PF_LD17, | ||
62 | PA24_PF_REV, | ||
63 | PA25_PF_CLS, | ||
64 | PA26_PF_PS, | ||
65 | PA27_PF_SPL_SPR, | ||
66 | PA28_PF_HSYNC, | ||
67 | PA29_PF_VSYNC, | ||
68 | PA30_PF_CONTRAST, | ||
69 | PA31_PF_OE_ACD, | ||
70 | /* | ||
71 | * it seems the data line misses a pullup, so we must enable | ||
72 | * the internal pullup as a local workaround | ||
73 | */ | ||
74 | PD17_PF_I2C_DATA | GPIO_PUEN, | ||
75 | PD18_PF_I2C_CLK, | ||
76 | /* Camera */ | ||
77 | PB10_PF_CSI_D0, | ||
78 | PB11_PF_CSI_D1, | ||
79 | PB12_PF_CSI_D2, | ||
80 | PB13_PF_CSI_D3, | ||
81 | PB14_PF_CSI_D4, | ||
82 | PB15_PF_CSI_MCLK, | ||
83 | PB16_PF_CSI_PIXCLK, | ||
84 | PB17_PF_CSI_D5, | ||
85 | PB18_PF_CSI_D6, | ||
86 | PB19_PF_CSI_D7, | ||
87 | PB20_PF_CSI_VSYNC, | ||
88 | PB21_PF_CSI_HSYNC, | ||
89 | }; | ||
90 | |||
91 | static int pcm970_sdhc2_get_ro(struct device *dev) | ||
92 | { | ||
93 | return gpio_get_value(GPIO_PORTC + 28); | ||
94 | } | ||
95 | |||
96 | static int pcm970_sdhc2_init(struct device *dev, irq_handler_t detect_irq, void *data) | ||
97 | { | ||
98 | int ret; | ||
99 | |||
100 | ret = request_irq(IRQ_GPIOC(29), detect_irq, IRQF_TRIGGER_FALLING, | ||
101 | "imx-mmc-detect", data); | ||
102 | if (ret) | ||
103 | return ret; | ||
104 | |||
105 | ret = gpio_request(GPIO_PORTC + 28, "imx-mmc-ro"); | ||
106 | if (ret) { | ||
107 | free_irq(IRQ_GPIOC(29), data); | ||
108 | return ret; | ||
109 | } | ||
110 | |||
111 | gpio_direction_input(GPIO_PORTC + 28); | ||
112 | |||
113 | return 0; | ||
114 | } | ||
115 | |||
116 | static void pcm970_sdhc2_exit(struct device *dev, void *data) | ||
117 | { | ||
118 | free_irq(IRQ_GPIOC(29), data); | ||
119 | gpio_free(GPIO_PORTC + 28); | ||
120 | } | ||
121 | |||
122 | static struct imxmmc_platform_data sdhc_pdata = { | ||
123 | .get_ro = pcm970_sdhc2_get_ro, | ||
124 | .init = pcm970_sdhc2_init, | ||
125 | .exit = pcm970_sdhc2_exit, | ||
126 | }; | ||
127 | |||
128 | static struct imx_fb_videomode pcm970_modes[] = { | ||
129 | { | ||
130 | .mode = { | ||
131 | .name = "Sharp-LQ035Q7", | ||
132 | .refresh = 60, | ||
133 | .xres = 240, | ||
134 | .yres = 320, | ||
135 | .pixclock = 188679, /* in ps (5.3MHz) */ | ||
136 | .hsync_len = 7, | ||
137 | .left_margin = 5, | ||
138 | .right_margin = 16, | ||
139 | .vsync_len = 1, | ||
140 | .upper_margin = 7, | ||
141 | .lower_margin = 9, | ||
142 | }, | ||
143 | /* | ||
144 | * - HSYNC active high | ||
145 | * - VSYNC active high | ||
146 | * - clk notenabled while idle | ||
147 | * - clock not inverted | ||
148 | * - data not inverted | ||
149 | * - data enable low active | ||
150 | * - enable sharp mode | ||
151 | */ | ||
152 | .pcr = 0xF00080C0, | ||
153 | .bpp = 16, | ||
154 | }, { | ||
155 | .mode = { | ||
156 | .name = "TX090", | ||
157 | .refresh = 60, | ||
158 | .xres = 240, | ||
159 | .yres = 320, | ||
160 | .pixclock = 38255, | ||
161 | .left_margin = 144, | ||
162 | .right_margin = 0, | ||
163 | .upper_margin = 7, | ||
164 | .lower_margin = 40, | ||
165 | .hsync_len = 96, | ||
166 | .vsync_len = 1, | ||
167 | }, | ||
168 | /* | ||
169 | * - HSYNC active low (1 << 22) | ||
170 | * - VSYNC active low (1 << 23) | ||
171 | * - clk notenabled while idle | ||
172 | * - clock not inverted | ||
173 | * - data not inverted | ||
174 | * - data enable low active | ||
175 | * - enable sharp mode | ||
176 | */ | ||
177 | .pcr = 0xF0008080 | (1<<22) | (1<<23) | (1<<19), | ||
178 | .bpp = 32, | ||
179 | }, | ||
180 | }; | ||
181 | |||
182 | static struct imx_fb_platform_data pcm038_fb_data = { | ||
183 | .mode = pcm970_modes, | ||
184 | .num_modes = ARRAY_SIZE(pcm970_modes), | ||
185 | |||
186 | .pwmr = 0x00A903FF, | ||
187 | .lscr1 = 0x00120300, | ||
188 | .dmacr = 0x00020010, | ||
189 | }; | ||
190 | |||
191 | static struct resource pcm970_sja1000_resources[] = { | ||
192 | { | ||
193 | .start = MX27_CS4_BASE_ADDR, | ||
194 | .end = MX27_CS4_BASE_ADDR + 0x100 - 1, | ||
195 | .flags = IORESOURCE_MEM, | ||
196 | }, { | ||
197 | .start = IRQ_GPIOE(19), | ||
198 | .end = IRQ_GPIOE(19), | ||
199 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, | ||
200 | }, | ||
201 | }; | ||
202 | |||
203 | struct sja1000_platform_data pcm970_sja1000_platform_data = { | ||
204 | .osc_freq = 16000000, | ||
205 | .ocr = OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL, | ||
206 | .cdr = CDR_CBP, | ||
207 | }; | ||
208 | |||
209 | static struct platform_device pcm970_sja1000 = { | ||
210 | .name = "sja1000_platform", | ||
211 | .dev = { | ||
212 | .platform_data = &pcm970_sja1000_platform_data, | ||
213 | }, | ||
214 | .resource = pcm970_sja1000_resources, | ||
215 | .num_resources = ARRAY_SIZE(pcm970_sja1000_resources), | ||
216 | }; | ||
217 | |||
218 | /* | ||
219 | * system init for baseboard usage. Will be called by pcm038 init. | ||
220 | * | ||
221 | * Add platform devices present on this baseboard and init | ||
222 | * them from CPU side as far as required to use them later on | ||
223 | */ | ||
224 | void __init pcm970_baseboard_init(void) | ||
225 | { | ||
226 | mxc_gpio_setup_multiple_pins(pcm970_pins, ARRAY_SIZE(pcm970_pins), | ||
227 | "PCM970"); | ||
228 | |||
229 | mxc_register_device(&mxc_fb_device, &pcm038_fb_data); | ||
230 | mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_IN); | ||
231 | mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata); | ||
232 | platform_device_register(&pcm970_sja1000); | ||
233 | } | ||
diff --git a/arch/arm/mach-imx/pm-imx27.c b/arch/arm/mach-imx/pm-imx27.c new file mode 100644 index 000000000000..afc17ce0bb54 --- /dev/null +++ b/arch/arm/mach-imx/pm-imx27.c | |||
@@ -0,0 +1,46 @@ | |||
1 | /* | ||
2 | * i.MX27 Power Management Routines | ||
3 | * | ||
4 | * Based on Freescale's BSP | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License. | ||
8 | */ | ||
9 | |||
10 | #include <linux/kernel.h> | ||
11 | #include <linux/suspend.h> | ||
12 | #include <linux/io.h> | ||
13 | #include <mach/system.h> | ||
14 | #include <mach/mx27.h> | ||
15 | |||
16 | static int mx27_suspend_enter(suspend_state_t state) | ||
17 | { | ||
18 | u32 cscr; | ||
19 | switch (state) { | ||
20 | case PM_SUSPEND_MEM: | ||
21 | /* Clear MPEN and SPEN to disable MPLL/SPLL */ | ||
22 | cscr = __raw_readl(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); | ||
23 | cscr &= 0xFFFFFFFC; | ||
24 | __raw_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); | ||
25 | /* Executes WFI */ | ||
26 | arch_idle(); | ||
27 | break; | ||
28 | |||
29 | default: | ||
30 | return -EINVAL; | ||
31 | } | ||
32 | return 0; | ||
33 | } | ||
34 | |||
35 | static struct platform_suspend_ops mx27_suspend_ops = { | ||
36 | .enter = mx27_suspend_enter, | ||
37 | .valid = suspend_valid_only_mem, | ||
38 | }; | ||
39 | |||
40 | static int __init mx27_pm_init(void) | ||
41 | { | ||
42 | suspend_set_ops(&mx27_suspend_ops); | ||
43 | return 0; | ||
44 | } | ||
45 | |||
46 | device_initcall(mx27_pm_init); | ||