diff options
author | Shawn Guo <shawn.guo@linaro.org> | 2011-09-06 02:39:44 -0400 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-31 09:26:23 -0400 |
commit | 9fbbe6890c88aa332efe61d5894108dd8b932530 (patch) | |
tree | b27bedc317d68e969e9220cb93de8bc9fc5c62e8 /arch | |
parent | 1103643c266ae45c7098e0f7f3ee0b68e3e7c7cc (diff) |
arm/imx6q: add core drivers clock, gpc, mmdc and src
It adds a number of core drivers support for imx6q, including clock,
General Power Controller (gpc), Multi Mode DDR Controller(mmdc) and
System Reset Controller (src).
Signed-off-by: Ranjani Vaidyanathan <ra5478@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-imx/Kconfig | 13 | ||||
-rw-r--r-- | arch/arm/mach-imx/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/mach-imx/clock-imx6q.c | 2012 | ||||
-rw-r--r-- | arch/arm/mach-imx/gpc.c | 113 | ||||
-rw-r--r-- | arch/arm/mach-imx/mmdc.c | 72 | ||||
-rw-r--r-- | arch/arm/mach-imx/src.c | 49 |
6 files changed, 2263 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index cc4b6e46f425..40372a8e301b 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig | |||
@@ -1,5 +1,15 @@ | |||
1 | config IMX_HAVE_DMA_V1 | 1 | config IMX_HAVE_DMA_V1 |
2 | bool | 2 | bool |
3 | |||
4 | config HAVE_IMX_GPC | ||
5 | bool | ||
6 | |||
7 | config HAVE_IMX_MMDC | ||
8 | bool | ||
9 | |||
10 | config HAVE_IMX_SRC | ||
11 | bool | ||
12 | |||
3 | # | 13 | # |
4 | # ARCH_MX31 and ARCH_MX35 are left for compatibility | 14 | # ARCH_MX31 and ARCH_MX35 are left for compatibility |
5 | # Some usages assume that having one of them implies not having (e.g.) ARCH_MX2. | 15 | # Some usages assume that having one of them implies not having (e.g.) ARCH_MX2. |
@@ -601,6 +611,9 @@ config SOC_IMX6Q | |||
601 | select ARM_GIC | 611 | select ARM_GIC |
602 | select CACHE_L2X0 | 612 | select CACHE_L2X0 |
603 | select CPU_V7 | 613 | select CPU_V7 |
614 | select HAVE_IMX_GPC | ||
615 | select HAVE_IMX_MMDC | ||
616 | select HAVE_IMX_SRC | ||
604 | select USE_OF | 617 | select USE_OF |
605 | 618 | ||
606 | help | 619 | help |
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index b9ed19865a93..65218d98a78d 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile | |||
@@ -62,3 +62,7 @@ obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o | |||
62 | obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o | 62 | obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o |
63 | 63 | ||
64 | obj-$(CONFIG_DEBUG_LL) += lluart.o | 64 | obj-$(CONFIG_DEBUG_LL) += lluart.o |
65 | obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o | ||
66 | obj-$(CONFIG_HAVE_IMX_MMDC) += mmdc.o | ||
67 | obj-$(CONFIG_HAVE_IMX_SRC) += src.o | ||
68 | obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o | ||
diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c new file mode 100644 index 000000000000..e0b926dfeced --- /dev/null +++ b/arch/arm/mach-imx/clock-imx6q.c | |||
@@ -0,0 +1,2012 @@ | |||
1 | /* | ||
2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2011 Linaro Ltd. | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/init.h> | ||
14 | #include <linux/types.h> | ||
15 | #include <linux/clk.h> | ||
16 | #include <linux/clkdev.h> | ||
17 | #include <linux/io.h> | ||
18 | #include <linux/of.h> | ||
19 | #include <linux/of_address.h> | ||
20 | #include <linux/of_irq.h> | ||
21 | #include <asm/div64.h> | ||
22 | #include <asm/mach/map.h> | ||
23 | #include <mach/clock.h> | ||
24 | #include <mach/common.h> | ||
25 | #include <mach/hardware.h> | ||
26 | |||
27 | #define PLL_BASE IMX_IO_ADDRESS(MX6Q_ANATOP_BASE_ADDR) | ||
28 | #define PLL1_SYS (PLL_BASE + 0x000) | ||
29 | #define PLL2_BUS (PLL_BASE + 0x030) | ||
30 | #define PLL3_USB_OTG (PLL_BASE + 0x010) | ||
31 | #define PLL4_AUDIO (PLL_BASE + 0x070) | ||
32 | #define PLL5_VIDEO (PLL_BASE + 0x0a0) | ||
33 | #define PLL6_MLB (PLL_BASE + 0x0d0) | ||
34 | #define PLL7_USB_HOST (PLL_BASE + 0x020) | ||
35 | #define PLL8_ENET (PLL_BASE + 0x0e0) | ||
36 | #define PFD_480 (PLL_BASE + 0x0f0) | ||
37 | #define PFD_528 (PLL_BASE + 0x100) | ||
38 | #define PLL_NUM_OFFSET 0x010 | ||
39 | #define PLL_DENOM_OFFSET 0x020 | ||
40 | |||
41 | #define PFD0 7 | ||
42 | #define PFD1 15 | ||
43 | #define PFD2 23 | ||
44 | #define PFD3 31 | ||
45 | #define PFD_FRAC_MASK 0x3f | ||
46 | |||
47 | #define BM_PLL_BYPASS (0x1 << 16) | ||
48 | #define BM_PLL_ENABLE (0x1 << 13) | ||
49 | #define BM_PLL_POWER_DOWN (0x1 << 12) | ||
50 | #define BM_PLL_LOCK (0x1 << 31) | ||
51 | #define BP_PLL_SYS_DIV_SELECT 0 | ||
52 | #define BM_PLL_SYS_DIV_SELECT (0x7f << 0) | ||
53 | #define BP_PLL_BUS_DIV_SELECT 0 | ||
54 | #define BM_PLL_BUS_DIV_SELECT (0x1 << 0) | ||
55 | #define BP_PLL_USB_DIV_SELECT 0 | ||
56 | #define BM_PLL_USB_DIV_SELECT (0x3 << 0) | ||
57 | #define BP_PLL_AV_DIV_SELECT 0 | ||
58 | #define BM_PLL_AV_DIV_SELECT (0x7f << 0) | ||
59 | #define BP_PLL_ENET_DIV_SELECT 0 | ||
60 | #define BM_PLL_ENET_DIV_SELECT (0x3 << 0) | ||
61 | #define BM_PLL_ENET_EN_PCIE (0x1 << 19) | ||
62 | #define BM_PLL_ENET_EN_SATA (0x1 << 20) | ||
63 | |||
64 | #define CCM_BASE IMX_IO_ADDRESS(MX6Q_CCM_BASE_ADDR) | ||
65 | #define CCR (CCM_BASE + 0x00) | ||
66 | #define CCDR (CCM_BASE + 0x04) | ||
67 | #define CSR (CCM_BASE + 0x08) | ||
68 | #define CCSR (CCM_BASE + 0x0c) | ||
69 | #define CACRR (CCM_BASE + 0x10) | ||
70 | #define CBCDR (CCM_BASE + 0x14) | ||
71 | #define CBCMR (CCM_BASE + 0x18) | ||
72 | #define CSCMR1 (CCM_BASE + 0x1c) | ||
73 | #define CSCMR2 (CCM_BASE + 0x20) | ||
74 | #define CSCDR1 (CCM_BASE + 0x24) | ||
75 | #define CS1CDR (CCM_BASE + 0x28) | ||
76 | #define CS2CDR (CCM_BASE + 0x2c) | ||
77 | #define CDCDR (CCM_BASE + 0x30) | ||
78 | #define CHSCCDR (CCM_BASE + 0x34) | ||
79 | #define CSCDR2 (CCM_BASE + 0x38) | ||
80 | #define CSCDR3 (CCM_BASE + 0x3c) | ||
81 | #define CSCDR4 (CCM_BASE + 0x40) | ||
82 | #define CWDR (CCM_BASE + 0x44) | ||
83 | #define CDHIPR (CCM_BASE + 0x48) | ||
84 | #define CDCR (CCM_BASE + 0x4c) | ||
85 | #define CTOR (CCM_BASE + 0x50) | ||
86 | #define CLPCR (CCM_BASE + 0x54) | ||
87 | #define CISR (CCM_BASE + 0x58) | ||
88 | #define CIMR (CCM_BASE + 0x5c) | ||
89 | #define CCOSR (CCM_BASE + 0x60) | ||
90 | #define CGPR (CCM_BASE + 0x64) | ||
91 | #define CCGR0 (CCM_BASE + 0x68) | ||
92 | #define CCGR1 (CCM_BASE + 0x6c) | ||
93 | #define CCGR2 (CCM_BASE + 0x70) | ||
94 | #define CCGR3 (CCM_BASE + 0x74) | ||
95 | #define CCGR4 (CCM_BASE + 0x78) | ||
96 | #define CCGR5 (CCM_BASE + 0x7c) | ||
97 | #define CCGR6 (CCM_BASE + 0x80) | ||
98 | #define CCGR7 (CCM_BASE + 0x84) | ||
99 | #define CMEOR (CCM_BASE + 0x88) | ||
100 | |||
101 | #define CG0 0 | ||
102 | #define CG1 2 | ||
103 | #define CG2 4 | ||
104 | #define CG3 6 | ||
105 | #define CG4 8 | ||
106 | #define CG5 10 | ||
107 | #define CG6 12 | ||
108 | #define CG7 14 | ||
109 | #define CG8 16 | ||
110 | #define CG9 18 | ||
111 | #define CG10 20 | ||
112 | #define CG11 22 | ||
113 | #define CG12 24 | ||
114 | #define CG13 26 | ||
115 | #define CG14 28 | ||
116 | #define CG15 30 | ||
117 | |||
118 | #define BM_CCSR_PLL1_SW_SEL (0x1 << 2) | ||
119 | #define BM_CCSR_STEP_SEL (0x1 << 8) | ||
120 | |||
121 | #define BP_CACRR_ARM_PODF 0 | ||
122 | #define BM_CACRR_ARM_PODF (0x7 << 0) | ||
123 | |||
124 | #define BP_CBCDR_PERIPH2_CLK2_PODF 0 | ||
125 | #define BM_CBCDR_PERIPH2_CLK2_PODF (0x7 << 0) | ||
126 | #define BP_CBCDR_MMDC_CH1_AXI_PODF 3 | ||
127 | #define BM_CBCDR_MMDC_CH1_AXI_PODF (0x7 << 3) | ||
128 | #define BP_CBCDR_AXI_SEL 6 | ||
129 | #define BM_CBCDR_AXI_SEL (0x3 << 6) | ||
130 | #define BP_CBCDR_IPG_PODF 8 | ||
131 | #define BM_CBCDR_IPG_PODF (0x3 << 8) | ||
132 | #define BP_CBCDR_AHB_PODF 10 | ||
133 | #define BM_CBCDR_AHB_PODF (0x7 << 10) | ||
134 | #define BP_CBCDR_AXI_PODF 16 | ||
135 | #define BM_CBCDR_AXI_PODF (0x7 << 16) | ||
136 | #define BP_CBCDR_MMDC_CH0_AXI_PODF 19 | ||
137 | #define BM_CBCDR_MMDC_CH0_AXI_PODF (0x7 << 19) | ||
138 | #define BP_CBCDR_PERIPH_CLK_SEL 25 | ||
139 | #define BM_CBCDR_PERIPH_CLK_SEL (0x1 << 25) | ||
140 | #define BP_CBCDR_PERIPH2_CLK_SEL 26 | ||
141 | #define BM_CBCDR_PERIPH2_CLK_SEL (0x1 << 26) | ||
142 | #define BP_CBCDR_PERIPH_CLK2_PODF 27 | ||
143 | #define BM_CBCDR_PERIPH_CLK2_PODF (0x7 << 27) | ||
144 | |||
145 | #define BP_CBCMR_GPU2D_AXI_SEL 0 | ||
146 | #define BM_CBCMR_GPU2D_AXI_SEL (0x1 << 0) | ||
147 | #define BP_CBCMR_GPU3D_AXI_SEL 1 | ||
148 | #define BM_CBCMR_GPU3D_AXI_SEL (0x1 << 1) | ||
149 | #define BP_CBCMR_GPU3D_CORE_SEL 4 | ||
150 | #define BM_CBCMR_GPU3D_CORE_SEL (0x3 << 4) | ||
151 | #define BP_CBCMR_GPU3D_SHADER_SEL 8 | ||
152 | #define BM_CBCMR_GPU3D_SHADER_SEL (0x3 << 8) | ||
153 | #define BP_CBCMR_PCIE_AXI_SEL 10 | ||
154 | #define BM_CBCMR_PCIE_AXI_SEL (0x1 << 10) | ||
155 | #define BP_CBCMR_VDO_AXI_SEL 11 | ||
156 | #define BM_CBCMR_VDO_AXI_SEL (0x1 << 11) | ||
157 | #define BP_CBCMR_PERIPH_CLK2_SEL 12 | ||
158 | #define BM_CBCMR_PERIPH_CLK2_SEL (0x3 << 12) | ||
159 | #define BP_CBCMR_VPU_AXI_SEL 14 | ||
160 | #define BM_CBCMR_VPU_AXI_SEL (0x3 << 14) | ||
161 | #define BP_CBCMR_GPU2D_CORE_SEL 16 | ||
162 | #define BM_CBCMR_GPU2D_CORE_SEL (0x3 << 16) | ||
163 | #define BP_CBCMR_PRE_PERIPH_CLK_SEL 18 | ||
164 | #define BM_CBCMR_PRE_PERIPH_CLK_SEL (0x3 << 18) | ||
165 | #define BP_CBCMR_PERIPH2_CLK2_SEL 20 | ||
166 | #define BM_CBCMR_PERIPH2_CLK2_SEL (0x1 << 20) | ||
167 | #define BP_CBCMR_PRE_PERIPH2_CLK_SEL 21 | ||
168 | #define BM_CBCMR_PRE_PERIPH2_CLK_SEL (0x3 << 21) | ||
169 | #define BP_CBCMR_GPU2D_CORE_PODF 23 | ||
170 | #define BM_CBCMR_GPU2D_CORE_PODF (0x7 << 23) | ||
171 | #define BP_CBCMR_GPU3D_CORE_PODF 26 | ||
172 | #define BM_CBCMR_GPU3D_CORE_PODF (0x7 << 26) | ||
173 | #define BP_CBCMR_GPU3D_SHADER_PODF 29 | ||
174 | #define BM_CBCMR_GPU3D_SHADER_PODF (0x7 << 29) | ||
175 | |||
176 | #define BP_CSCMR1_PERCLK_PODF 0 | ||
177 | #define BM_CSCMR1_PERCLK_PODF (0x3f << 0) | ||
178 | #define BP_CSCMR1_SSI1_SEL 10 | ||
179 | #define BM_CSCMR1_SSI1_SEL (0x3 << 10) | ||
180 | #define BP_CSCMR1_SSI2_SEL 12 | ||
181 | #define BM_CSCMR1_SSI2_SEL (0x3 << 12) | ||
182 | #define BP_CSCMR1_SSI3_SEL 14 | ||
183 | #define BM_CSCMR1_SSI3_SEL (0x3 << 14) | ||
184 | #define BP_CSCMR1_USDHC1_SEL 16 | ||
185 | #define BM_CSCMR1_USDHC1_SEL (0x1 << 16) | ||
186 | #define BP_CSCMR1_USDHC2_SEL 17 | ||
187 | #define BM_CSCMR1_USDHC2_SEL (0x1 << 17) | ||
188 | #define BP_CSCMR1_USDHC3_SEL 18 | ||
189 | #define BM_CSCMR1_USDHC3_SEL (0x1 << 18) | ||
190 | #define BP_CSCMR1_USDHC4_SEL 19 | ||
191 | #define BM_CSCMR1_USDHC4_SEL (0x1 << 19) | ||
192 | #define BP_CSCMR1_EMI_PODF 20 | ||
193 | #define BM_CSCMR1_EMI_PODF (0x7 << 20) | ||
194 | #define BP_CSCMR1_EMI_SLOW_PODF 23 | ||
195 | #define BM_CSCMR1_EMI_SLOW_PODF (0x7 << 23) | ||
196 | #define BP_CSCMR1_EMI_SEL 27 | ||
197 | #define BM_CSCMR1_EMI_SEL (0x3 << 27) | ||
198 | #define BP_CSCMR1_EMI_SLOW_SEL 29 | ||
199 | #define BM_CSCMR1_EMI_SLOW_SEL (0x3 << 29) | ||
200 | |||
201 | #define BP_CSCMR2_CAN_PODF 2 | ||
202 | #define BM_CSCMR2_CAN_PODF (0x3f << 2) | ||
203 | #define BM_CSCMR2_LDB_DI0_IPU_DIV (0x1 << 10) | ||
204 | #define BM_CSCMR2_LDB_DI1_IPU_DIV (0x1 << 11) | ||
205 | #define BP_CSCMR2_ESAI_SEL 19 | ||
206 | #define BM_CSCMR2_ESAI_SEL (0x3 << 19) | ||
207 | |||
208 | #define BP_CSCDR1_UART_PODF 0 | ||
209 | #define BM_CSCDR1_UART_PODF (0x3f << 0) | ||
210 | #define BP_CSCDR1_USDHC1_PODF 11 | ||
211 | #define BM_CSCDR1_USDHC1_PODF (0x7 << 11) | ||
212 | #define BP_CSCDR1_USDHC2_PODF 16 | ||
213 | #define BM_CSCDR1_USDHC2_PODF (0x7 << 16) | ||
214 | #define BP_CSCDR1_USDHC3_PODF 19 | ||
215 | #define BM_CSCDR1_USDHC3_PODF (0x7 << 19) | ||
216 | #define BP_CSCDR1_USDHC4_PODF 22 | ||
217 | #define BM_CSCDR1_USDHC4_PODF (0x7 << 22) | ||
218 | #define BP_CSCDR1_VPU_AXI_PODF 25 | ||
219 | #define BM_CSCDR1_VPU_AXI_PODF (0x7 << 25) | ||
220 | |||
221 | #define BP_CS1CDR_SSI1_PODF 0 | ||
222 | #define BM_CS1CDR_SSI1_PODF (0x3f << 0) | ||
223 | #define BP_CS1CDR_SSI1_PRED 6 | ||
224 | #define BM_CS1CDR_SSI1_PRED (0x7 << 6) | ||
225 | #define BP_CS1CDR_ESAI_PRED 9 | ||
226 | #define BM_CS1CDR_ESAI_PRED (0x7 << 9) | ||
227 | #define BP_CS1CDR_SSI3_PODF 16 | ||
228 | #define BM_CS1CDR_SSI3_PODF (0x3f << 16) | ||
229 | #define BP_CS1CDR_SSI3_PRED 22 | ||
230 | #define BM_CS1CDR_SSI3_PRED (0x7 << 22) | ||
231 | #define BP_CS1CDR_ESAI_PODF 25 | ||
232 | #define BM_CS1CDR_ESAI_PODF (0x7 << 25) | ||
233 | |||
234 | #define BP_CS2CDR_SSI2_PODF 0 | ||
235 | #define BM_CS2CDR_SSI2_PODF (0x3f << 0) | ||
236 | #define BP_CS2CDR_SSI2_PRED 6 | ||
237 | #define BM_CS2CDR_SSI2_PRED (0x7 << 6) | ||
238 | #define BP_CS2CDR_LDB_DI0_SEL 9 | ||
239 | #define BM_CS2CDR_LDB_DI0_SEL (0x7 << 9) | ||
240 | #define BP_CS2CDR_LDB_DI1_SEL 12 | ||
241 | #define BM_CS2CDR_LDB_DI1_SEL (0x7 << 12) | ||
242 | #define BP_CS2CDR_ENFC_SEL 16 | ||
243 | #define BM_CS2CDR_ENFC_SEL (0x3 << 16) | ||
244 | #define BP_CS2CDR_ENFC_PRED 18 | ||
245 | #define BM_CS2CDR_ENFC_PRED (0x7 << 18) | ||
246 | #define BP_CS2CDR_ENFC_PODF 21 | ||
247 | #define BM_CS2CDR_ENFC_PODF (0x3f << 21) | ||
248 | |||
249 | #define BP_CDCDR_ASRC_SERIAL_SEL 7 | ||
250 | #define BM_CDCDR_ASRC_SERIAL_SEL (0x3 << 7) | ||
251 | #define BP_CDCDR_ASRC_SERIAL_PODF 9 | ||
252 | #define BM_CDCDR_ASRC_SERIAL_PODF (0x7 << 9) | ||
253 | #define BP_CDCDR_ASRC_SERIAL_PRED 12 | ||
254 | #define BM_CDCDR_ASRC_SERIAL_PRED (0x7 << 12) | ||
255 | #define BP_CDCDR_SPDIF_SEL 20 | ||
256 | #define BM_CDCDR_SPDIF_SEL (0x3 << 20) | ||
257 | #define BP_CDCDR_SPDIF_PODF 22 | ||
258 | #define BM_CDCDR_SPDIF_PODF (0x7 << 22) | ||
259 | #define BP_CDCDR_SPDIF_PRED 25 | ||
260 | #define BM_CDCDR_SPDIF_PRED (0x7 << 25) | ||
261 | #define BP_CDCDR_HSI_TX_PODF 29 | ||
262 | #define BM_CDCDR_HSI_TX_PODF (0x7 << 29) | ||
263 | #define BP_CDCDR_HSI_TX_SEL 28 | ||
264 | #define BM_CDCDR_HSI_TX_SEL (0x1 << 28) | ||
265 | |||
266 | #define BP_CHSCCDR_IPU1_DI0_SEL 0 | ||
267 | #define BM_CHSCCDR_IPU1_DI0_SEL (0x7 << 0) | ||
268 | #define BP_CHSCCDR_IPU1_DI0_PRE_PODF 3 | ||
269 | #define BM_CHSCCDR_IPU1_DI0_PRE_PODF (0x7 << 3) | ||
270 | #define BP_CHSCCDR_IPU1_DI0_PRE_SEL 6 | ||
271 | #define BM_CHSCCDR_IPU1_DI0_PRE_SEL (0x7 << 6) | ||
272 | #define BP_CHSCCDR_IPU1_DI1_SEL 9 | ||
273 | #define BM_CHSCCDR_IPU1_DI1_SEL (0x7 << 9) | ||
274 | #define BP_CHSCCDR_IPU1_DI1_PRE_PODF 12 | ||
275 | #define BM_CHSCCDR_IPU1_DI1_PRE_PODF (0x7 << 12) | ||
276 | #define BP_CHSCCDR_IPU1_DI1_PRE_SEL 15 | ||
277 | #define BM_CHSCCDR_IPU1_DI1_PRE_SEL (0x7 << 15) | ||
278 | |||
279 | #define BP_CSCDR2_IPU2_DI0_SEL 0 | ||
280 | #define BM_CSCDR2_IPU2_DI0_SEL (0x7) | ||
281 | #define BP_CSCDR2_IPU2_DI0_PRE_PODF 3 | ||
282 | #define BM_CSCDR2_IPU2_DI0_PRE_PODF (0x7 << 3) | ||
283 | #define BP_CSCDR2_IPU2_DI0_PRE_SEL 6 | ||
284 | #define BM_CSCDR2_IPU2_DI0_PRE_SEL (0x7 << 6) | ||
285 | #define BP_CSCDR2_IPU2_DI1_SEL 9 | ||
286 | #define BM_CSCDR2_IPU2_DI1_SEL (0x7 << 9) | ||
287 | #define BP_CSCDR2_IPU2_DI1_PRE_PODF 12 | ||
288 | #define BM_CSCDR2_IPU2_DI1_PRE_PODF (0x7 << 12) | ||
289 | #define BP_CSCDR2_IPU2_DI1_PRE_SEL 15 | ||
290 | #define BM_CSCDR2_IPU2_DI1_PRE_SEL (0x7 << 15) | ||
291 | #define BP_CSCDR2_ECSPI_CLK_PODF 19 | ||
292 | #define BM_CSCDR2_ECSPI_CLK_PODF (0x3f << 19) | ||
293 | |||
294 | #define BP_CSCDR3_IPU1_HSP_SEL 9 | ||
295 | #define BM_CSCDR3_IPU1_HSP_SEL (0x3 << 9) | ||
296 | #define BP_CSCDR3_IPU1_HSP_PODF 11 | ||
297 | #define BM_CSCDR3_IPU1_HSP_PODF (0x7 << 11) | ||
298 | #define BP_CSCDR3_IPU2_HSP_SEL 14 | ||
299 | #define BM_CSCDR3_IPU2_HSP_SEL (0x3 << 14) | ||
300 | #define BP_CSCDR3_IPU2_HSP_PODF 16 | ||
301 | #define BM_CSCDR3_IPU2_HSP_PODF (0x7 << 16) | ||
302 | |||
303 | #define BM_CDHIPR_AXI_PODF_BUSY (0x1 << 0) | ||
304 | #define BM_CDHIPR_AHB_PODF_BUSY (0x1 << 1) | ||
305 | #define BM_CDHIPR_MMDC_CH1_PODF_BUSY (0x1 << 2) | ||
306 | #define BM_CDHIPR_PERIPH2_SEL_BUSY (0x1 << 3) | ||
307 | #define BM_CDHIPR_MMDC_CH0_PODF_BUSY (0x1 << 4) | ||
308 | #define BM_CDHIPR_PERIPH_SEL_BUSY (0x1 << 5) | ||
309 | #define BM_CDHIPR_ARM_PODF_BUSY (0x1 << 16) | ||
310 | |||
311 | #define BP_CLPCR_LPM 0 | ||
312 | #define BM_CLPCR_LPM (0x3 << 0) | ||
313 | #define BM_CLPCR_BYPASS_PMIC_READY (0x1 << 2) | ||
314 | #define BM_CLPCR_ARM_CLK_DIS_ON_LPM (0x1 << 5) | ||
315 | #define BM_CLPCR_SBYOS (0x1 << 6) | ||
316 | #define BM_CLPCR_DIS_REF_OSC (0x1 << 7) | ||
317 | #define BM_CLPCR_VSTBY (0x1 << 8) | ||
318 | #define BP_CLPCR_STBY_COUNT 9 | ||
319 | #define BM_CLPCR_STBY_COUNT (0x3 << 9) | ||
320 | #define BM_CLPCR_COSC_PWRDOWN (0x1 << 11) | ||
321 | #define BM_CLPCR_WB_PER_AT_LPM (0x1 << 16) | ||
322 | #define BM_CLPCR_WB_CORE_AT_LPM (0x1 << 17) | ||
323 | #define BM_CLPCR_BYP_MMDC_CH0_LPM_HS (0x1 << 19) | ||
324 | #define BM_CLPCR_BYP_MMDC_CH1_LPM_HS (0x1 << 21) | ||
325 | #define BM_CLPCR_MASK_CORE0_WFI (0x1 << 22) | ||
326 | #define BM_CLPCR_MASK_CORE1_WFI (0x1 << 23) | ||
327 | #define BM_CLPCR_MASK_CORE2_WFI (0x1 << 24) | ||
328 | #define BM_CLPCR_MASK_CORE3_WFI (0x1 << 25) | ||
329 | #define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26) | ||
330 | #define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27) | ||
331 | |||
332 | #define FREQ_480M 480000000 | ||
333 | #define FREQ_528M 528000000 | ||
334 | #define FREQ_594M 594000000 | ||
335 | #define FREQ_650M 650000000 | ||
336 | #define FREQ_1300M 1300000000 | ||
337 | |||
338 | static struct clk pll1_sys; | ||
339 | static struct clk pll2_bus; | ||
340 | static struct clk pll3_usb_otg; | ||
341 | static struct clk pll4_audio; | ||
342 | static struct clk pll5_video; | ||
343 | static struct clk pll6_mlb; | ||
344 | static struct clk pll7_usb_host; | ||
345 | static struct clk pll8_enet; | ||
346 | static struct clk apbh_dma_clk; | ||
347 | static struct clk arm_clk; | ||
348 | static struct clk ipg_clk; | ||
349 | static struct clk ahb_clk; | ||
350 | static struct clk axi_clk; | ||
351 | static struct clk mmdc_ch0_axi_clk; | ||
352 | static struct clk mmdc_ch1_axi_clk; | ||
353 | static struct clk periph_clk; | ||
354 | static struct clk periph_pre_clk; | ||
355 | static struct clk periph_clk2_clk; | ||
356 | static struct clk periph2_clk; | ||
357 | static struct clk periph2_pre_clk; | ||
358 | static struct clk periph2_clk2_clk; | ||
359 | static struct clk gpu2d_core_clk; | ||
360 | static struct clk gpu3d_core_clk; | ||
361 | static struct clk gpu3d_shader_clk; | ||
362 | static struct clk ipg_perclk; | ||
363 | static struct clk emi_clk; | ||
364 | static struct clk emi_slow_clk; | ||
365 | static struct clk can1_clk; | ||
366 | static struct clk uart_clk; | ||
367 | static struct clk usdhc1_clk; | ||
368 | static struct clk usdhc2_clk; | ||
369 | static struct clk usdhc3_clk; | ||
370 | static struct clk usdhc4_clk; | ||
371 | static struct clk vpu_clk; | ||
372 | static struct clk hsi_tx_clk; | ||
373 | static struct clk ipu1_di0_pre_clk; | ||
374 | static struct clk ipu1_di1_pre_clk; | ||
375 | static struct clk ipu2_di0_pre_clk; | ||
376 | static struct clk ipu2_di1_pre_clk; | ||
377 | static struct clk ipu1_clk; | ||
378 | static struct clk ipu2_clk; | ||
379 | static struct clk ssi1_clk; | ||
380 | static struct clk ssi3_clk; | ||
381 | static struct clk esai_clk; | ||
382 | static struct clk ssi2_clk; | ||
383 | static struct clk spdif_clk; | ||
384 | static struct clk asrc_serial_clk; | ||
385 | static struct clk gpu2d_axi_clk; | ||
386 | static struct clk gpu3d_axi_clk; | ||
387 | static struct clk pcie_clk; | ||
388 | static struct clk vdo_axi_clk; | ||
389 | static struct clk ldb_di0_clk; | ||
390 | static struct clk ldb_di1_clk; | ||
391 | static struct clk ipu1_di0_clk; | ||
392 | static struct clk ipu1_di1_clk; | ||
393 | static struct clk ipu2_di0_clk; | ||
394 | static struct clk ipu2_di1_clk; | ||
395 | static struct clk enfc_clk; | ||
396 | static struct clk dummy_clk = {}; | ||
397 | |||
398 | static unsigned long external_high_reference; | ||
399 | static unsigned long external_low_reference; | ||
400 | static unsigned long oscillator_reference; | ||
401 | |||
402 | static unsigned long get_oscillator_reference_clock_rate(struct clk *clk) | ||
403 | { | ||
404 | return oscillator_reference; | ||
405 | } | ||
406 | |||
407 | static unsigned long get_high_reference_clock_rate(struct clk *clk) | ||
408 | { | ||
409 | return external_high_reference; | ||
410 | } | ||
411 | |||
412 | static unsigned long get_low_reference_clock_rate(struct clk *clk) | ||
413 | { | ||
414 | return external_low_reference; | ||
415 | } | ||
416 | |||
417 | static struct clk ckil_clk = { | ||
418 | .get_rate = get_low_reference_clock_rate, | ||
419 | }; | ||
420 | |||
421 | static struct clk ckih_clk = { | ||
422 | .get_rate = get_high_reference_clock_rate, | ||
423 | }; | ||
424 | |||
425 | static struct clk osc_clk = { | ||
426 | .get_rate = get_oscillator_reference_clock_rate, | ||
427 | }; | ||
428 | |||
429 | static inline void __iomem *pll_get_reg_addr(struct clk *pll) | ||
430 | { | ||
431 | if (pll == &pll1_sys) | ||
432 | return PLL1_SYS; | ||
433 | else if (pll == &pll2_bus) | ||
434 | return PLL2_BUS; | ||
435 | else if (pll == &pll3_usb_otg) | ||
436 | return PLL3_USB_OTG; | ||
437 | else if (pll == &pll4_audio) | ||
438 | return PLL4_AUDIO; | ||
439 | else if (pll == &pll5_video) | ||
440 | return PLL5_VIDEO; | ||
441 | else if (pll == &pll6_mlb) | ||
442 | return PLL6_MLB; | ||
443 | else if (pll == &pll7_usb_host) | ||
444 | return PLL7_USB_HOST; | ||
445 | else if (pll == &pll8_enet) | ||
446 | return PLL8_ENET; | ||
447 | else | ||
448 | BUG(); | ||
449 | |||
450 | return NULL; | ||
451 | } | ||
452 | |||
453 | static int pll_enable(struct clk *clk) | ||
454 | { | ||
455 | int timeout = 0x100000; | ||
456 | void __iomem *reg; | ||
457 | u32 val; | ||
458 | |||
459 | reg = pll_get_reg_addr(clk); | ||
460 | val = readl_relaxed(reg); | ||
461 | val &= ~BM_PLL_BYPASS; | ||
462 | val &= ~BM_PLL_POWER_DOWN; | ||
463 | /* 480MHz PLLs have the opposite definition for power bit */ | ||
464 | if (clk == &pll3_usb_otg || clk == &pll7_usb_host) | ||
465 | val |= BM_PLL_POWER_DOWN; | ||
466 | writel_relaxed(val, reg); | ||
467 | |||
468 | /* Wait for PLL to lock */ | ||
469 | while (!(readl_relaxed(reg) & BM_PLL_LOCK) && --timeout) | ||
470 | cpu_relax(); | ||
471 | |||
472 | if (unlikely(!timeout)) | ||
473 | return -EBUSY; | ||
474 | |||
475 | /* Enable the PLL output now */ | ||
476 | val = readl_relaxed(reg); | ||
477 | val |= BM_PLL_ENABLE; | ||
478 | writel_relaxed(val, reg); | ||
479 | |||
480 | return 0; | ||
481 | } | ||
482 | |||
483 | static void pll_disable(struct clk *clk) | ||
484 | { | ||
485 | void __iomem *reg; | ||
486 | u32 val; | ||
487 | |||
488 | reg = pll_get_reg_addr(clk); | ||
489 | val = readl_relaxed(reg); | ||
490 | val &= ~BM_PLL_ENABLE; | ||
491 | val |= BM_PLL_BYPASS; | ||
492 | val |= BM_PLL_POWER_DOWN; | ||
493 | if (clk == &pll3_usb_otg || clk == &pll7_usb_host) | ||
494 | val &= ~BM_PLL_POWER_DOWN; | ||
495 | writel_relaxed(val, reg); | ||
496 | } | ||
497 | |||
498 | static unsigned long pll1_sys_get_rate(struct clk *clk) | ||
499 | { | ||
500 | u32 div = (readl_relaxed(PLL1_SYS) & BM_PLL_SYS_DIV_SELECT) >> | ||
501 | BP_PLL_SYS_DIV_SELECT; | ||
502 | |||
503 | return clk_get_rate(clk->parent) * div / 2; | ||
504 | } | ||
505 | |||
506 | static int pll1_sys_set_rate(struct clk *clk, unsigned long rate) | ||
507 | { | ||
508 | u32 val, div; | ||
509 | |||
510 | if (rate < FREQ_650M || rate > FREQ_1300M) | ||
511 | return -EINVAL; | ||
512 | |||
513 | div = rate * 2 / clk_get_rate(clk->parent); | ||
514 | val = readl_relaxed(PLL1_SYS); | ||
515 | val &= ~BM_PLL_SYS_DIV_SELECT; | ||
516 | val |= div << BP_PLL_SYS_DIV_SELECT; | ||
517 | writel_relaxed(val, PLL1_SYS); | ||
518 | |||
519 | return 0; | ||
520 | } | ||
521 | |||
522 | static unsigned long pll8_enet_get_rate(struct clk *clk) | ||
523 | { | ||
524 | u32 div = (readl_relaxed(PLL8_ENET) & BM_PLL_ENET_DIV_SELECT) >> | ||
525 | BP_PLL_ENET_DIV_SELECT; | ||
526 | |||
527 | switch (div) { | ||
528 | case 0: | ||
529 | return 25000000; | ||
530 | case 1: | ||
531 | return 50000000; | ||
532 | case 2: | ||
533 | return 100000000; | ||
534 | case 3: | ||
535 | return 125000000; | ||
536 | } | ||
537 | |||
538 | return 0; | ||
539 | } | ||
540 | |||
541 | static int pll8_enet_set_rate(struct clk *clk, unsigned long rate) | ||
542 | { | ||
543 | u32 val, div; | ||
544 | |||
545 | switch (rate) { | ||
546 | case 25000000: | ||
547 | div = 0; | ||
548 | break; | ||
549 | case 50000000: | ||
550 | div = 1; | ||
551 | break; | ||
552 | case 100000000: | ||
553 | div = 2; | ||
554 | break; | ||
555 | case 125000000: | ||
556 | div = 3; | ||
557 | break; | ||
558 | default: | ||
559 | return -EINVAL; | ||
560 | } | ||
561 | |||
562 | val = readl_relaxed(PLL8_ENET); | ||
563 | val &= ~BM_PLL_ENET_DIV_SELECT; | ||
564 | val |= div << BP_PLL_ENET_DIV_SELECT; | ||
565 | writel_relaxed(val, PLL8_ENET); | ||
566 | |||
567 | return 0; | ||
568 | } | ||
569 | |||
570 | static unsigned long pll_av_get_rate(struct clk *clk) | ||
571 | { | ||
572 | void __iomem *reg = (clk == &pll4_audio) ? PLL4_AUDIO : PLL5_VIDEO; | ||
573 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
574 | u32 mfn = readl_relaxed(reg + PLL_NUM_OFFSET); | ||
575 | u32 mfd = readl_relaxed(reg + PLL_DENOM_OFFSET); | ||
576 | u32 div = (readl_relaxed(reg) & BM_PLL_AV_DIV_SELECT) >> | ||
577 | BP_PLL_AV_DIV_SELECT; | ||
578 | |||
579 | return (parent_rate * div) + ((parent_rate / mfd) * mfn); | ||
580 | } | ||
581 | |||
582 | static int pll_av_set_rate(struct clk *clk, unsigned long rate) | ||
583 | { | ||
584 | void __iomem *reg = (clk == &pll4_audio) ? PLL4_AUDIO : PLL5_VIDEO; | ||
585 | unsigned int parent_rate = clk_get_rate(clk->parent); | ||
586 | u32 val, div; | ||
587 | u32 mfn, mfd = 1000000; | ||
588 | s64 temp64; | ||
589 | |||
590 | if (rate < FREQ_650M || rate > FREQ_1300M) | ||
591 | return -EINVAL; | ||
592 | |||
593 | div = rate / parent_rate; | ||
594 | temp64 = (u64) (rate - div * parent_rate); | ||
595 | temp64 *= mfd; | ||
596 | do_div(temp64, parent_rate); | ||
597 | mfn = temp64; | ||
598 | |||
599 | val = readl_relaxed(reg); | ||
600 | val &= ~BM_PLL_AV_DIV_SELECT; | ||
601 | val |= div << BP_PLL_AV_DIV_SELECT; | ||
602 | writel_relaxed(val, reg); | ||
603 | writel_relaxed(mfn, reg + PLL_NUM_OFFSET); | ||
604 | writel_relaxed(mfd, reg + PLL_DENOM_OFFSET); | ||
605 | |||
606 | return 0; | ||
607 | } | ||
608 | |||
609 | static void __iomem *pll_get_div_reg_bit(struct clk *clk, u32 *bp, u32 *bm) | ||
610 | { | ||
611 | void __iomem *reg; | ||
612 | |||
613 | if (clk == &pll2_bus) { | ||
614 | reg = PLL2_BUS; | ||
615 | *bp = BP_PLL_BUS_DIV_SELECT; | ||
616 | *bm = BM_PLL_BUS_DIV_SELECT; | ||
617 | } else if (clk == &pll3_usb_otg) { | ||
618 | reg = PLL3_USB_OTG; | ||
619 | *bp = BP_PLL_USB_DIV_SELECT; | ||
620 | *bm = BM_PLL_USB_DIV_SELECT; | ||
621 | } else if (clk == &pll7_usb_host) { | ||
622 | reg = PLL7_USB_HOST; | ||
623 | *bp = BP_PLL_USB_DIV_SELECT; | ||
624 | *bm = BM_PLL_USB_DIV_SELECT; | ||
625 | } else { | ||
626 | BUG(); | ||
627 | } | ||
628 | |||
629 | return reg; | ||
630 | } | ||
631 | |||
632 | static unsigned long pll_get_rate(struct clk *clk) | ||
633 | { | ||
634 | void __iomem *reg; | ||
635 | u32 div, bp, bm; | ||
636 | |||
637 | reg = pll_get_div_reg_bit(clk, &bp, &bm); | ||
638 | div = (readl_relaxed(reg) & bm) >> bp; | ||
639 | |||
640 | return (div == 1) ? clk_get_rate(clk->parent) * 22 : | ||
641 | clk_get_rate(clk->parent) * 20; | ||
642 | } | ||
643 | |||
644 | static int pll_set_rate(struct clk *clk, unsigned long rate) | ||
645 | { | ||
646 | void __iomem *reg; | ||
647 | u32 val, div, bp, bm; | ||
648 | |||
649 | if (rate == FREQ_528M) | ||
650 | div = 1; | ||
651 | else if (rate == FREQ_480M) | ||
652 | div = 0; | ||
653 | else | ||
654 | return -EINVAL; | ||
655 | |||
656 | reg = pll_get_div_reg_bit(clk, &bp, &bm); | ||
657 | val = readl_relaxed(reg); | ||
658 | val &= ~bm; | ||
659 | val |= div << bp; | ||
660 | writel_relaxed(val, reg); | ||
661 | |||
662 | return 0; | ||
663 | } | ||
664 | |||
665 | #define pll2_bus_get_rate pll_get_rate | ||
666 | #define pll2_bus_set_rate pll_set_rate | ||
667 | #define pll3_usb_otg_get_rate pll_get_rate | ||
668 | #define pll3_usb_otg_set_rate pll_set_rate | ||
669 | #define pll7_usb_host_get_rate pll_get_rate | ||
670 | #define pll7_usb_host_set_rate pll_set_rate | ||
671 | #define pll4_audio_get_rate pll_av_get_rate | ||
672 | #define pll4_audio_set_rate pll_av_set_rate | ||
673 | #define pll5_video_get_rate pll_av_get_rate | ||
674 | #define pll5_video_set_rate pll_av_set_rate | ||
675 | #define pll6_mlb_get_rate NULL | ||
676 | #define pll6_mlb_set_rate NULL | ||
677 | |||
678 | #define DEF_PLL(name) \ | ||
679 | static struct clk name = { \ | ||
680 | .enable = pll_enable, \ | ||
681 | .disable = pll_disable, \ | ||
682 | .get_rate = name##_get_rate, \ | ||
683 | .set_rate = name##_set_rate, \ | ||
684 | .parent = &osc_clk, \ | ||
685 | } | ||
686 | |||
687 | DEF_PLL(pll1_sys); | ||
688 | DEF_PLL(pll2_bus); | ||
689 | DEF_PLL(pll3_usb_otg); | ||
690 | DEF_PLL(pll4_audio); | ||
691 | DEF_PLL(pll5_video); | ||
692 | DEF_PLL(pll6_mlb); | ||
693 | DEF_PLL(pll7_usb_host); | ||
694 | DEF_PLL(pll8_enet); | ||
695 | |||
696 | static unsigned long pfd_get_rate(struct clk *clk) | ||
697 | { | ||
698 | u64 tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
699 | u32 frac, bp_frac; | ||
700 | |||
701 | if (apbh_dma_clk.usecount == 0) | ||
702 | apbh_dma_clk.enable(&apbh_dma_clk); | ||
703 | |||
704 | bp_frac = clk->enable_shift - 7; | ||
705 | frac = readl_relaxed(clk->enable_reg) >> bp_frac & PFD_FRAC_MASK; | ||
706 | do_div(tmp, frac); | ||
707 | |||
708 | return tmp; | ||
709 | } | ||
710 | |||
711 | static int pfd_set_rate(struct clk *clk, unsigned long rate) | ||
712 | { | ||
713 | u32 val, frac, bp_frac; | ||
714 | u64 tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
715 | |||
716 | if (apbh_dma_clk.usecount == 0) | ||
717 | apbh_dma_clk.enable(&apbh_dma_clk); | ||
718 | |||
719 | /* | ||
720 | * Round up the divider so that we don't set a rate | ||
721 | * higher than what is requested | ||
722 | */ | ||
723 | tmp += rate / 2; | ||
724 | do_div(tmp, rate); | ||
725 | frac = tmp; | ||
726 | frac = (frac < 12) ? 12 : frac; | ||
727 | frac = (frac > 35) ? 35 : frac; | ||
728 | |||
729 | /* | ||
730 | * The frac field always starts from 7 bits lower | ||
731 | * position of enable bit | ||
732 | */ | ||
733 | bp_frac = clk->enable_shift - 7; | ||
734 | val = readl_relaxed(clk->enable_reg); | ||
735 | val &= ~(PFD_FRAC_MASK << bp_frac); | ||
736 | val |= frac << bp_frac; | ||
737 | writel_relaxed(val, clk->enable_reg); | ||
738 | |||
739 | tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
740 | do_div(tmp, frac); | ||
741 | |||
742 | if (apbh_dma_clk.usecount == 0) | ||
743 | apbh_dma_clk.disable(&apbh_dma_clk); | ||
744 | |||
745 | return 0; | ||
746 | } | ||
747 | |||
748 | static unsigned long pfd_round_rate(struct clk *clk, unsigned long rate) | ||
749 | { | ||
750 | u32 frac; | ||
751 | u64 tmp; | ||
752 | |||
753 | tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
754 | tmp += rate / 2; | ||
755 | do_div(tmp, rate); | ||
756 | frac = tmp; | ||
757 | frac = (frac < 12) ? 12 : frac; | ||
758 | frac = (frac > 35) ? 35 : frac; | ||
759 | tmp = (u64) clk_get_rate(clk->parent) * 18; | ||
760 | do_div(tmp, frac); | ||
761 | |||
762 | return tmp; | ||
763 | } | ||
764 | |||
765 | static int pfd_enable(struct clk *clk) | ||
766 | { | ||
767 | u32 val; | ||
768 | |||
769 | if (apbh_dma_clk.usecount == 0) | ||
770 | apbh_dma_clk.enable(&apbh_dma_clk); | ||
771 | |||
772 | val = readl_relaxed(clk->enable_reg); | ||
773 | val &= ~(1 << clk->enable_shift); | ||
774 | writel_relaxed(val, clk->enable_reg); | ||
775 | |||
776 | if (apbh_dma_clk.usecount == 0) | ||
777 | apbh_dma_clk.disable(&apbh_dma_clk); | ||
778 | |||
779 | return 0; | ||
780 | } | ||
781 | |||
782 | static void pfd_disable(struct clk *clk) | ||
783 | { | ||
784 | u32 val; | ||
785 | |||
786 | if (apbh_dma_clk.usecount == 0) | ||
787 | apbh_dma_clk.enable(&apbh_dma_clk); | ||
788 | |||
789 | val = readl_relaxed(clk->enable_reg); | ||
790 | val |= 1 << clk->enable_shift; | ||
791 | writel_relaxed(val, clk->enable_reg); | ||
792 | |||
793 | if (apbh_dma_clk.usecount == 0) | ||
794 | apbh_dma_clk.disable(&apbh_dma_clk); | ||
795 | } | ||
796 | |||
797 | #define DEF_PFD(name, er, es, p) \ | ||
798 | static struct clk name = { \ | ||
799 | .enable_reg = er, \ | ||
800 | .enable_shift = es, \ | ||
801 | .enable = pfd_enable, \ | ||
802 | .disable = pfd_disable, \ | ||
803 | .get_rate = pfd_get_rate, \ | ||
804 | .set_rate = pfd_set_rate, \ | ||
805 | .round_rate = pfd_round_rate, \ | ||
806 | .parent = p, \ | ||
807 | } | ||
808 | |||
809 | DEF_PFD(pll2_pfd_352m, PFD_528, PFD0, &pll2_bus); | ||
810 | DEF_PFD(pll2_pfd_594m, PFD_528, PFD1, &pll2_bus); | ||
811 | DEF_PFD(pll2_pfd_400m, PFD_528, PFD2, &pll2_bus); | ||
812 | DEF_PFD(pll3_pfd_720m, PFD_480, PFD0, &pll3_usb_otg); | ||
813 | DEF_PFD(pll3_pfd_540m, PFD_480, PFD1, &pll3_usb_otg); | ||
814 | DEF_PFD(pll3_pfd_508m, PFD_480, PFD2, &pll3_usb_otg); | ||
815 | DEF_PFD(pll3_pfd_454m, PFD_480, PFD3, &pll3_usb_otg); | ||
816 | |||
817 | static unsigned long pll2_200m_get_rate(struct clk *clk) | ||
818 | { | ||
819 | return clk_get_rate(clk->parent) / 2; | ||
820 | } | ||
821 | |||
822 | static struct clk pll2_200m = { | ||
823 | .parent = &pll2_pfd_400m, | ||
824 | .get_rate = pll2_200m_get_rate, | ||
825 | }; | ||
826 | |||
827 | static unsigned long pll3_120m_get_rate(struct clk *clk) | ||
828 | { | ||
829 | return clk_get_rate(clk->parent) / 4; | ||
830 | } | ||
831 | |||
832 | static struct clk pll3_120m = { | ||
833 | .parent = &pll3_usb_otg, | ||
834 | .get_rate = pll3_120m_get_rate, | ||
835 | }; | ||
836 | |||
837 | static unsigned long pll3_80m_get_rate(struct clk *clk) | ||
838 | { | ||
839 | return clk_get_rate(clk->parent) / 6; | ||
840 | } | ||
841 | |||
842 | static struct clk pll3_80m = { | ||
843 | .parent = &pll3_usb_otg, | ||
844 | .get_rate = pll3_80m_get_rate, | ||
845 | }; | ||
846 | |||
847 | static unsigned long pll3_60m_get_rate(struct clk *clk) | ||
848 | { | ||
849 | return clk_get_rate(clk->parent) / 8; | ||
850 | } | ||
851 | |||
852 | static struct clk pll3_60m = { | ||
853 | .parent = &pll3_usb_otg, | ||
854 | .get_rate = pll3_60m_get_rate, | ||
855 | }; | ||
856 | |||
857 | static int pll1_sw_clk_set_parent(struct clk *clk, struct clk *parent) | ||
858 | { | ||
859 | u32 val = readl_relaxed(CCSR); | ||
860 | |||
861 | if (parent == &pll1_sys) { | ||
862 | val &= ~BM_CCSR_PLL1_SW_SEL; | ||
863 | val &= ~BM_CCSR_STEP_SEL; | ||
864 | } else if (parent == &osc_clk) { | ||
865 | val |= BM_CCSR_PLL1_SW_SEL; | ||
866 | val &= ~BM_CCSR_STEP_SEL; | ||
867 | } else if (parent == &pll2_pfd_400m) { | ||
868 | val |= BM_CCSR_PLL1_SW_SEL; | ||
869 | val |= BM_CCSR_STEP_SEL; | ||
870 | } else { | ||
871 | return -EINVAL; | ||
872 | } | ||
873 | |||
874 | writel_relaxed(val, CCSR); | ||
875 | |||
876 | return 0; | ||
877 | } | ||
878 | |||
879 | static struct clk pll1_sw_clk = { | ||
880 | .parent = &pll1_sys, | ||
881 | .set_parent = pll1_sw_clk_set_parent, | ||
882 | }; | ||
883 | |||
884 | static void calc_pred_podf_dividers(u32 div, u32 *pred, u32 *podf) | ||
885 | { | ||
886 | u32 min_pred, temp_pred, old_err, err; | ||
887 | |||
888 | if (div >= 512) { | ||
889 | *pred = 8; | ||
890 | *podf = 64; | ||
891 | } else if (div >= 8) { | ||
892 | min_pred = (div - 1) / 64 + 1; | ||
893 | old_err = 8; | ||
894 | for (temp_pred = 8; temp_pred >= min_pred; temp_pred--) { | ||
895 | err = div % temp_pred; | ||
896 | if (err == 0) { | ||
897 | *pred = temp_pred; | ||
898 | break; | ||
899 | } | ||
900 | err = temp_pred - err; | ||
901 | if (err < old_err) { | ||
902 | old_err = err; | ||
903 | *pred = temp_pred; | ||
904 | } | ||
905 | } | ||
906 | *podf = (div + *pred - 1) / *pred; | ||
907 | } else if (div < 8) { | ||
908 | *pred = div; | ||
909 | *podf = 1; | ||
910 | } | ||
911 | } | ||
912 | |||
913 | static int _clk_enable(struct clk *clk) | ||
914 | { | ||
915 | u32 reg; | ||
916 | reg = readl_relaxed(clk->enable_reg); | ||
917 | reg |= 0x3 << clk->enable_shift; | ||
918 | writel_relaxed(reg, clk->enable_reg); | ||
919 | |||
920 | return 0; | ||
921 | } | ||
922 | |||
923 | static void _clk_disable(struct clk *clk) | ||
924 | { | ||
925 | u32 reg; | ||
926 | reg = readl_relaxed(clk->enable_reg); | ||
927 | reg &= ~(0x3 << clk->enable_shift); | ||
928 | writel_relaxed(reg, clk->enable_reg); | ||
929 | } | ||
930 | |||
931 | struct divider { | ||
932 | struct clk *clk; | ||
933 | void __iomem *reg; | ||
934 | u32 bp_pred; | ||
935 | u32 bm_pred; | ||
936 | u32 bp_podf; | ||
937 | u32 bm_podf; | ||
938 | }; | ||
939 | |||
940 | #define DEF_CLK_DIV1(d, c, r, b) \ | ||
941 | static struct divider d = { \ | ||
942 | .clk = c, \ | ||
943 | .reg = r, \ | ||
944 | .bp_podf = BP_##r##_##b##_PODF, \ | ||
945 | .bm_podf = BM_##r##_##b##_PODF, \ | ||
946 | } | ||
947 | |||
948 | DEF_CLK_DIV1(arm_div, &arm_clk, CACRR, ARM); | ||
949 | DEF_CLK_DIV1(ipg_div, &ipg_clk, CBCDR, IPG); | ||
950 | DEF_CLK_DIV1(ahb_div, &ahb_clk, CBCDR, AHB); | ||
951 | DEF_CLK_DIV1(axi_div, &axi_clk, CBCDR, AXI); | ||
952 | DEF_CLK_DIV1(mmdc_ch0_axi_div, &mmdc_ch0_axi_clk, CBCDR, MMDC_CH0_AXI); | ||
953 | DEF_CLK_DIV1(mmdc_ch1_axi_div, &mmdc_ch1_axi_clk, CBCDR, MMDC_CH1_AXI); | ||
954 | DEF_CLK_DIV1(periph_clk2_div, &periph_clk2_clk, CBCDR, PERIPH_CLK2); | ||
955 | DEF_CLK_DIV1(periph2_clk2_div, &periph2_clk2_clk, CBCDR, PERIPH2_CLK2); | ||
956 | DEF_CLK_DIV1(gpu2d_core_div, &gpu2d_core_clk, CBCMR, GPU2D_CORE); | ||
957 | DEF_CLK_DIV1(gpu3d_core_div, &gpu3d_core_clk, CBCMR, GPU3D_CORE); | ||
958 | DEF_CLK_DIV1(gpu3d_shader_div, &gpu3d_shader_clk, CBCMR, GPU3D_SHADER); | ||
959 | DEF_CLK_DIV1(ipg_perclk_div, &ipg_perclk, CSCMR1, PERCLK); | ||
960 | DEF_CLK_DIV1(emi_div, &emi_clk, CSCMR1, EMI); | ||
961 | DEF_CLK_DIV1(emi_slow_div, &emi_slow_clk, CSCMR1, EMI_SLOW); | ||
962 | DEF_CLK_DIV1(can_div, &can1_clk, CSCMR2, CAN); | ||
963 | DEF_CLK_DIV1(uart_div, &uart_clk, CSCDR1, UART); | ||
964 | DEF_CLK_DIV1(usdhc1_div, &usdhc1_clk, CSCDR1, USDHC1); | ||
965 | DEF_CLK_DIV1(usdhc2_div, &usdhc2_clk, CSCDR1, USDHC2); | ||
966 | DEF_CLK_DIV1(usdhc3_div, &usdhc3_clk, CSCDR1, USDHC3); | ||
967 | DEF_CLK_DIV1(usdhc4_div, &usdhc4_clk, CSCDR1, USDHC4); | ||
968 | DEF_CLK_DIV1(vpu_div, &vpu_clk, CSCDR1, VPU_AXI); | ||
969 | DEF_CLK_DIV1(hsi_tx_div, &hsi_tx_clk, CDCDR, HSI_TX); | ||
970 | DEF_CLK_DIV1(ipu1_di0_pre_div, &ipu1_di0_pre_clk, CHSCCDR, IPU1_DI0_PRE); | ||
971 | DEF_CLK_DIV1(ipu1_di1_pre_div, &ipu1_di1_pre_clk, CHSCCDR, IPU1_DI1_PRE); | ||
972 | DEF_CLK_DIV1(ipu2_di0_pre_div, &ipu2_di0_pre_clk, CSCDR2, IPU2_DI0_PRE); | ||
973 | DEF_CLK_DIV1(ipu2_di1_pre_div, &ipu2_di1_pre_clk, CSCDR2, IPU2_DI1_PRE); | ||
974 | DEF_CLK_DIV1(ipu1_div, &ipu1_clk, CSCDR3, IPU1_HSP); | ||
975 | DEF_CLK_DIV1(ipu2_div, &ipu2_clk, CSCDR3, IPU2_HSP); | ||
976 | |||
977 | #define DEF_CLK_DIV2(d, c, r, b) \ | ||
978 | static struct divider d = { \ | ||
979 | .clk = c, \ | ||
980 | .reg = r, \ | ||
981 | .bp_pred = BP_##r##_##b##_PRED, \ | ||
982 | .bm_pred = BM_##r##_##b##_PRED, \ | ||
983 | .bp_podf = BP_##r##_##b##_PODF, \ | ||
984 | .bm_podf = BM_##r##_##b##_PODF, \ | ||
985 | } | ||
986 | |||
987 | DEF_CLK_DIV2(ssi1_div, &ssi1_clk, CS1CDR, SSI1); | ||
988 | DEF_CLK_DIV2(ssi3_div, &ssi3_clk, CS1CDR, SSI3); | ||
989 | DEF_CLK_DIV2(esai_div, &esai_clk, CS1CDR, ESAI); | ||
990 | DEF_CLK_DIV2(ssi2_div, &ssi2_clk, CS2CDR, SSI2); | ||
991 | DEF_CLK_DIV2(enfc_div, &enfc_clk, CS2CDR, ENFC); | ||
992 | DEF_CLK_DIV2(spdif_div, &spdif_clk, CDCDR, SPDIF); | ||
993 | DEF_CLK_DIV2(asrc_serial_div, &asrc_serial_clk, CDCDR, ASRC_SERIAL); | ||
994 | |||
995 | static struct divider *dividers[] = { | ||
996 | &arm_div, | ||
997 | &ipg_div, | ||
998 | &ahb_div, | ||
999 | &axi_div, | ||
1000 | &mmdc_ch0_axi_div, | ||
1001 | &mmdc_ch1_axi_div, | ||
1002 | &periph_clk2_div, | ||
1003 | &periph2_clk2_div, | ||
1004 | &gpu2d_core_div, | ||
1005 | &gpu3d_core_div, | ||
1006 | &gpu3d_shader_div, | ||
1007 | &ipg_perclk_div, | ||
1008 | &emi_div, | ||
1009 | &emi_slow_div, | ||
1010 | &can_div, | ||
1011 | &uart_div, | ||
1012 | &usdhc1_div, | ||
1013 | &usdhc2_div, | ||
1014 | &usdhc3_div, | ||
1015 | &usdhc4_div, | ||
1016 | &vpu_div, | ||
1017 | &hsi_tx_div, | ||
1018 | &ipu1_di0_pre_div, | ||
1019 | &ipu1_di1_pre_div, | ||
1020 | &ipu2_di0_pre_div, | ||
1021 | &ipu2_di1_pre_div, | ||
1022 | &ipu1_div, | ||
1023 | &ipu2_div, | ||
1024 | &ssi1_div, | ||
1025 | &ssi3_div, | ||
1026 | &esai_div, | ||
1027 | &ssi2_div, | ||
1028 | &enfc_div, | ||
1029 | &spdif_div, | ||
1030 | &asrc_serial_div, | ||
1031 | }; | ||
1032 | |||
1033 | static unsigned long ldb_di_clk_get_rate(struct clk *clk) | ||
1034 | { | ||
1035 | u32 val = readl_relaxed(CSCMR2); | ||
1036 | |||
1037 | val &= (clk == &ldb_di0_clk) ? BM_CSCMR2_LDB_DI0_IPU_DIV : | ||
1038 | BM_CSCMR2_LDB_DI1_IPU_DIV; | ||
1039 | if (val) | ||
1040 | return clk_get_rate(clk->parent) / 7; | ||
1041 | else | ||
1042 | return clk_get_rate(clk->parent) * 2 / 7; | ||
1043 | } | ||
1044 | |||
1045 | static int ldb_di_clk_set_rate(struct clk *clk, unsigned long rate) | ||
1046 | { | ||
1047 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
1048 | u32 val = readl_relaxed(CSCMR2); | ||
1049 | |||
1050 | if (rate * 7 <= parent_rate + parent_rate / 20) | ||
1051 | val |= BM_CSCMR2_LDB_DI0_IPU_DIV; | ||
1052 | else | ||
1053 | val &= ~BM_CSCMR2_LDB_DI0_IPU_DIV; | ||
1054 | |||
1055 | writel_relaxed(val, CSCMR2); | ||
1056 | |||
1057 | return 0; | ||
1058 | } | ||
1059 | |||
1060 | static unsigned long ldb_di_clk_round_rate(struct clk *clk, unsigned long rate) | ||
1061 | { | ||
1062 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
1063 | |||
1064 | if (rate * 7 <= parent_rate + parent_rate / 20) | ||
1065 | return parent_rate / 7; | ||
1066 | else | ||
1067 | return 2 * parent_rate / 7; | ||
1068 | } | ||
1069 | |||
1070 | static unsigned long _clk_get_rate(struct clk *clk) | ||
1071 | { | ||
1072 | struct divider *d; | ||
1073 | u32 val, pred, podf; | ||
1074 | int i, num; | ||
1075 | |||
1076 | if (clk == &ldb_di0_clk || clk == &ldb_di1_clk) | ||
1077 | return ldb_di_clk_get_rate(clk); | ||
1078 | |||
1079 | num = ARRAY_SIZE(dividers); | ||
1080 | for (i = 0; i < num; i++) | ||
1081 | if (dividers[i]->clk == clk) { | ||
1082 | d = dividers[i]; | ||
1083 | break; | ||
1084 | } | ||
1085 | if (i == num) | ||
1086 | return clk_get_rate(clk->parent); | ||
1087 | |||
1088 | val = readl_relaxed(d->reg); | ||
1089 | pred = ((val & d->bm_pred) >> d->bp_pred) + 1; | ||
1090 | podf = ((val & d->bm_podf) >> d->bp_podf) + 1; | ||
1091 | |||
1092 | return clk_get_rate(clk->parent) / (pred * podf); | ||
1093 | } | ||
1094 | |||
1095 | static int clk_busy_wait(struct clk *clk) | ||
1096 | { | ||
1097 | int timeout = 0x100000; | ||
1098 | u32 bm; | ||
1099 | |||
1100 | if (clk == &axi_clk) | ||
1101 | bm = BM_CDHIPR_AXI_PODF_BUSY; | ||
1102 | else if (clk == &ahb_clk) | ||
1103 | bm = BM_CDHIPR_AHB_PODF_BUSY; | ||
1104 | else if (clk == &mmdc_ch0_axi_clk) | ||
1105 | bm = BM_CDHIPR_MMDC_CH0_PODF_BUSY; | ||
1106 | else if (clk == &periph_clk) | ||
1107 | bm = BM_CDHIPR_PERIPH_SEL_BUSY; | ||
1108 | else if (clk == &arm_clk) | ||
1109 | bm = BM_CDHIPR_ARM_PODF_BUSY; | ||
1110 | else | ||
1111 | return -EINVAL; | ||
1112 | |||
1113 | while ((readl_relaxed(CDHIPR) & bm) && --timeout) | ||
1114 | cpu_relax(); | ||
1115 | |||
1116 | if (unlikely(!timeout)) | ||
1117 | return -EBUSY; | ||
1118 | |||
1119 | return 0; | ||
1120 | } | ||
1121 | |||
1122 | static int _clk_set_rate(struct clk *clk, unsigned long rate) | ||
1123 | { | ||
1124 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
1125 | struct divider *d; | ||
1126 | u32 val, div, max_div, pred = 0, podf; | ||
1127 | int i, num; | ||
1128 | |||
1129 | if (clk == &ldb_di0_clk || clk == &ldb_di1_clk) | ||
1130 | return ldb_di_clk_set_rate(clk, rate); | ||
1131 | |||
1132 | num = ARRAY_SIZE(dividers); | ||
1133 | for (i = 0; i < num; i++) | ||
1134 | if (dividers[i]->clk == clk) { | ||
1135 | d = dividers[i]; | ||
1136 | break; | ||
1137 | } | ||
1138 | if (i == num) | ||
1139 | return -EINVAL; | ||
1140 | |||
1141 | max_div = ((d->bm_pred >> d->bp_pred) + 1) * | ||
1142 | ((d->bm_pred >> d->bp_pred) + 1); | ||
1143 | |||
1144 | div = parent_rate / rate; | ||
1145 | if (div == 0) | ||
1146 | div++; | ||
1147 | |||
1148 | if ((parent_rate / div != rate) || div > max_div) | ||
1149 | return -EINVAL; | ||
1150 | |||
1151 | if (d->bm_pred) { | ||
1152 | calc_pred_podf_dividers(div, &pred, &podf); | ||
1153 | } else { | ||
1154 | pred = 1; | ||
1155 | podf = div; | ||
1156 | } | ||
1157 | |||
1158 | val = readl_relaxed(d->reg); | ||
1159 | val &= ~(d->bm_pred | d->bm_podf); | ||
1160 | val |= (pred - 1) << d->bp_pred | (podf - 1) << d->bp_podf; | ||
1161 | writel_relaxed(val, d->reg); | ||
1162 | |||
1163 | if (clk == &axi_clk || clk == &ahb_clk || | ||
1164 | clk == &mmdc_ch0_axi_clk || clk == &arm_clk) | ||
1165 | return clk_busy_wait(clk); | ||
1166 | |||
1167 | return 0; | ||
1168 | } | ||
1169 | |||
1170 | static unsigned long _clk_round_rate(struct clk *clk, unsigned long rate) | ||
1171 | { | ||
1172 | unsigned long parent_rate = clk_get_rate(clk->parent); | ||
1173 | u32 div = parent_rate / rate; | ||
1174 | u32 div_max, pred = 0, podf; | ||
1175 | struct divider *d; | ||
1176 | int i, num; | ||
1177 | |||
1178 | if (clk == &ldb_di0_clk || clk == &ldb_di1_clk) | ||
1179 | return ldb_di_clk_round_rate(clk, rate); | ||
1180 | |||
1181 | num = ARRAY_SIZE(dividers); | ||
1182 | for (i = 0; i < num; i++) | ||
1183 | if (dividers[i]->clk == clk) { | ||
1184 | d = dividers[i]; | ||
1185 | break; | ||
1186 | } | ||
1187 | if (i == num) | ||
1188 | return -EINVAL; | ||
1189 | |||
1190 | if (div == 0 || parent_rate % rate) | ||
1191 | div++; | ||
1192 | |||
1193 | if (d->bm_pred) { | ||
1194 | calc_pred_podf_dividers(div, &pred, &podf); | ||
1195 | div = pred * podf; | ||
1196 | } else { | ||
1197 | div_max = (d->bm_podf >> d->bp_podf) + 1; | ||
1198 | if (div > div_max) | ||
1199 | div = div_max; | ||
1200 | } | ||
1201 | |||
1202 | return parent_rate / div; | ||
1203 | } | ||
1204 | |||
1205 | struct multiplexer { | ||
1206 | struct clk *clk; | ||
1207 | void __iomem *reg; | ||
1208 | u32 bp; | ||
1209 | u32 bm; | ||
1210 | int pnum; | ||
1211 | struct clk *parents[]; | ||
1212 | }; | ||
1213 | |||
1214 | static struct multiplexer axi_mux = { | ||
1215 | .clk = &axi_clk, | ||
1216 | .reg = CBCDR, | ||
1217 | .bp = BP_CBCDR_AXI_SEL, | ||
1218 | .bm = BM_CBCDR_AXI_SEL, | ||
1219 | .parents = { | ||
1220 | &periph_clk, | ||
1221 | &pll2_pfd_400m, | ||
1222 | &pll3_pfd_540m, | ||
1223 | NULL | ||
1224 | }, | ||
1225 | }; | ||
1226 | |||
1227 | static struct multiplexer periph_mux = { | ||
1228 | .clk = &periph_clk, | ||
1229 | .reg = CBCDR, | ||
1230 | .bp = BP_CBCDR_PERIPH_CLK_SEL, | ||
1231 | .bm = BM_CBCDR_PERIPH_CLK_SEL, | ||
1232 | .parents = { | ||
1233 | &periph_pre_clk, | ||
1234 | &periph_clk2_clk, | ||
1235 | NULL | ||
1236 | }, | ||
1237 | }; | ||
1238 | |||
1239 | static struct multiplexer periph_pre_mux = { | ||
1240 | .clk = &periph_pre_clk, | ||
1241 | .reg = CBCMR, | ||
1242 | .bp = BP_CBCMR_PRE_PERIPH_CLK_SEL, | ||
1243 | .bm = BM_CBCMR_PRE_PERIPH_CLK_SEL, | ||
1244 | .parents = { | ||
1245 | &pll2_bus, | ||
1246 | &pll2_pfd_400m, | ||
1247 | &pll2_pfd_352m, | ||
1248 | &pll2_200m, | ||
1249 | NULL | ||
1250 | }, | ||
1251 | }; | ||
1252 | |||
1253 | static struct multiplexer periph_clk2_mux = { | ||
1254 | .clk = &periph_clk2_clk, | ||
1255 | .reg = CBCMR, | ||
1256 | .bp = BP_CBCMR_PERIPH_CLK2_SEL, | ||
1257 | .bm = BM_CBCMR_PERIPH_CLK2_SEL, | ||
1258 | .parents = { | ||
1259 | &pll3_usb_otg, | ||
1260 | &osc_clk, | ||
1261 | NULL | ||
1262 | }, | ||
1263 | }; | ||
1264 | |||
1265 | static struct multiplexer periph2_mux = { | ||
1266 | .clk = &periph2_clk, | ||
1267 | .reg = CBCDR, | ||
1268 | .bp = BP_CBCDR_PERIPH2_CLK_SEL, | ||
1269 | .bm = BM_CBCDR_PERIPH2_CLK_SEL, | ||
1270 | .parents = { | ||
1271 | &periph2_pre_clk, | ||
1272 | &periph2_clk2_clk, | ||
1273 | NULL | ||
1274 | }, | ||
1275 | }; | ||
1276 | |||
1277 | static struct multiplexer periph2_pre_mux = { | ||
1278 | .clk = &periph2_pre_clk, | ||
1279 | .reg = CBCMR, | ||
1280 | .bp = BP_CBCMR_PRE_PERIPH2_CLK_SEL, | ||
1281 | .bm = BM_CBCMR_PRE_PERIPH2_CLK_SEL, | ||
1282 | .parents = { | ||
1283 | &pll2_bus, | ||
1284 | &pll2_pfd_400m, | ||
1285 | &pll2_pfd_352m, | ||
1286 | &pll2_200m, | ||
1287 | NULL | ||
1288 | }, | ||
1289 | }; | ||
1290 | |||
1291 | static struct multiplexer periph2_clk2_mux = { | ||
1292 | .clk = &periph2_clk2_clk, | ||
1293 | .reg = CBCMR, | ||
1294 | .bp = BP_CBCMR_PERIPH2_CLK2_SEL, | ||
1295 | .bm = BM_CBCMR_PERIPH2_CLK2_SEL, | ||
1296 | .parents = { | ||
1297 | &pll3_usb_otg, | ||
1298 | &osc_clk, | ||
1299 | NULL | ||
1300 | }, | ||
1301 | }; | ||
1302 | |||
1303 | static struct multiplexer gpu2d_axi_mux = { | ||
1304 | .clk = &gpu2d_axi_clk, | ||
1305 | .reg = CBCMR, | ||
1306 | .bp = BP_CBCMR_GPU2D_AXI_SEL, | ||
1307 | .bm = BM_CBCMR_GPU2D_AXI_SEL, | ||
1308 | .parents = { | ||
1309 | &axi_clk, | ||
1310 | &ahb_clk, | ||
1311 | NULL | ||
1312 | }, | ||
1313 | }; | ||
1314 | |||
1315 | static struct multiplexer gpu3d_axi_mux = { | ||
1316 | .clk = &gpu3d_axi_clk, | ||
1317 | .reg = CBCMR, | ||
1318 | .bp = BP_CBCMR_GPU3D_AXI_SEL, | ||
1319 | .bm = BM_CBCMR_GPU3D_AXI_SEL, | ||
1320 | .parents = { | ||
1321 | &axi_clk, | ||
1322 | &ahb_clk, | ||
1323 | NULL | ||
1324 | }, | ||
1325 | }; | ||
1326 | |||
1327 | static struct multiplexer gpu3d_core_mux = { | ||
1328 | .clk = &gpu3d_core_clk, | ||
1329 | .reg = CBCMR, | ||
1330 | .bp = BP_CBCMR_GPU3D_CORE_SEL, | ||
1331 | .bm = BM_CBCMR_GPU3D_CORE_SEL, | ||
1332 | .parents = { | ||
1333 | &mmdc_ch0_axi_clk, | ||
1334 | &pll3_usb_otg, | ||
1335 | &pll2_pfd_594m, | ||
1336 | &pll2_pfd_400m, | ||
1337 | NULL | ||
1338 | }, | ||
1339 | }; | ||
1340 | |||
1341 | static struct multiplexer gpu3d_shader_mux = { | ||
1342 | .clk = &gpu3d_shader_clk, | ||
1343 | .reg = CBCMR, | ||
1344 | .bp = BP_CBCMR_GPU3D_SHADER_SEL, | ||
1345 | .bm = BM_CBCMR_GPU3D_SHADER_SEL, | ||
1346 | .parents = { | ||
1347 | &mmdc_ch0_axi_clk, | ||
1348 | &pll3_usb_otg, | ||
1349 | &pll2_pfd_594m, | ||
1350 | &pll3_pfd_720m, | ||
1351 | NULL | ||
1352 | }, | ||
1353 | }; | ||
1354 | |||
1355 | static struct multiplexer pcie_axi_mux = { | ||
1356 | .clk = &pcie_clk, | ||
1357 | .reg = CBCMR, | ||
1358 | .bp = BP_CBCMR_PCIE_AXI_SEL, | ||
1359 | .bm = BM_CBCMR_PCIE_AXI_SEL, | ||
1360 | .parents = { | ||
1361 | &axi_clk, | ||
1362 | &ahb_clk, | ||
1363 | NULL | ||
1364 | }, | ||
1365 | }; | ||
1366 | |||
1367 | static struct multiplexer vdo_axi_mux = { | ||
1368 | .clk = &vdo_axi_clk, | ||
1369 | .reg = CBCMR, | ||
1370 | .bp = BP_CBCMR_VDO_AXI_SEL, | ||
1371 | .bm = BM_CBCMR_VDO_AXI_SEL, | ||
1372 | .parents = { | ||
1373 | &axi_clk, | ||
1374 | &ahb_clk, | ||
1375 | NULL | ||
1376 | }, | ||
1377 | }; | ||
1378 | |||
1379 | static struct multiplexer vpu_axi_mux = { | ||
1380 | .clk = &vpu_clk, | ||
1381 | .reg = CBCMR, | ||
1382 | .bp = BP_CBCMR_VPU_AXI_SEL, | ||
1383 | .bm = BM_CBCMR_VPU_AXI_SEL, | ||
1384 | .parents = { | ||
1385 | &axi_clk, | ||
1386 | &pll2_pfd_400m, | ||
1387 | &pll2_pfd_352m, | ||
1388 | NULL | ||
1389 | }, | ||
1390 | }; | ||
1391 | |||
1392 | static struct multiplexer gpu2d_core_mux = { | ||
1393 | .clk = &gpu2d_core_clk, | ||
1394 | .reg = CBCMR, | ||
1395 | .bp = BP_CBCMR_GPU2D_CORE_SEL, | ||
1396 | .bm = BM_CBCMR_GPU2D_CORE_SEL, | ||
1397 | .parents = { | ||
1398 | &axi_clk, | ||
1399 | &pll3_usb_otg, | ||
1400 | &pll2_pfd_352m, | ||
1401 | &pll2_pfd_400m, | ||
1402 | NULL | ||
1403 | }, | ||
1404 | }; | ||
1405 | |||
1406 | #define DEF_SSI_MUX(id) \ | ||
1407 | static struct multiplexer ssi##id##_mux = { \ | ||
1408 | .clk = &ssi##id##_clk, \ | ||
1409 | .reg = CSCMR1, \ | ||
1410 | .bp = BP_CSCMR1_SSI##id##_SEL, \ | ||
1411 | .bm = BM_CSCMR1_SSI##id##_SEL, \ | ||
1412 | .parents = { \ | ||
1413 | &pll3_pfd_508m, \ | ||
1414 | &pll3_pfd_454m, \ | ||
1415 | &pll4_audio, \ | ||
1416 | NULL \ | ||
1417 | }, \ | ||
1418 | } | ||
1419 | |||
1420 | DEF_SSI_MUX(1); | ||
1421 | DEF_SSI_MUX(2); | ||
1422 | DEF_SSI_MUX(3); | ||
1423 | |||
1424 | #define DEF_USDHC_MUX(id) \ | ||
1425 | static struct multiplexer usdhc##id##_mux = { \ | ||
1426 | .clk = &usdhc##id##_clk, \ | ||
1427 | .reg = CSCMR1, \ | ||
1428 | .bp = BP_CSCMR1_USDHC##id##_SEL, \ | ||
1429 | .bm = BM_CSCMR1_USDHC##id##_SEL, \ | ||
1430 | .parents = { \ | ||
1431 | &pll2_pfd_400m, \ | ||
1432 | &pll2_pfd_352m, \ | ||
1433 | NULL \ | ||
1434 | }, \ | ||
1435 | } | ||
1436 | |||
1437 | DEF_USDHC_MUX(1); | ||
1438 | DEF_USDHC_MUX(2); | ||
1439 | DEF_USDHC_MUX(3); | ||
1440 | DEF_USDHC_MUX(4); | ||
1441 | |||
1442 | static struct multiplexer emi_mux = { | ||
1443 | .clk = &emi_clk, | ||
1444 | .reg = CSCMR1, | ||
1445 | .bp = BP_CSCMR1_EMI_SEL, | ||
1446 | .bm = BM_CSCMR1_EMI_SEL, | ||
1447 | .parents = { | ||
1448 | &axi_clk, | ||
1449 | &pll3_usb_otg, | ||
1450 | &pll2_pfd_400m, | ||
1451 | &pll2_pfd_352m, | ||
1452 | NULL | ||
1453 | }, | ||
1454 | }; | ||
1455 | |||
1456 | static struct multiplexer emi_slow_mux = { | ||
1457 | .clk = &emi_slow_clk, | ||
1458 | .reg = CSCMR1, | ||
1459 | .bp = BP_CSCMR1_EMI_SLOW_SEL, | ||
1460 | .bm = BM_CSCMR1_EMI_SLOW_SEL, | ||
1461 | .parents = { | ||
1462 | &axi_clk, | ||
1463 | &pll3_usb_otg, | ||
1464 | &pll2_pfd_400m, | ||
1465 | &pll2_pfd_352m, | ||
1466 | NULL | ||
1467 | }, | ||
1468 | }; | ||
1469 | |||
1470 | static struct multiplexer esai_mux = { | ||
1471 | .clk = &esai_clk, | ||
1472 | .reg = CSCMR2, | ||
1473 | .bp = BP_CSCMR2_ESAI_SEL, | ||
1474 | .bm = BM_CSCMR2_ESAI_SEL, | ||
1475 | .parents = { | ||
1476 | &pll4_audio, | ||
1477 | &pll3_pfd_508m, | ||
1478 | &pll3_pfd_454m, | ||
1479 | &pll3_usb_otg, | ||
1480 | NULL | ||
1481 | }, | ||
1482 | }; | ||
1483 | |||
1484 | #define DEF_LDB_DI_MUX(id) \ | ||
1485 | static struct multiplexer ldb_di##id##_mux = { \ | ||
1486 | .clk = &ldb_di##id##_clk, \ | ||
1487 | .reg = CS2CDR, \ | ||
1488 | .bp = BP_CS2CDR_LDB_DI##id##_SEL, \ | ||
1489 | .bm = BM_CS2CDR_LDB_DI##id##_SEL, \ | ||
1490 | .parents = { \ | ||
1491 | &pll5_video, \ | ||
1492 | &pll2_pfd_352m, \ | ||
1493 | &pll2_pfd_400m, \ | ||
1494 | &pll3_pfd_540m, \ | ||
1495 | &pll3_usb_otg, \ | ||
1496 | NULL \ | ||
1497 | }, \ | ||
1498 | } | ||
1499 | |||
1500 | DEF_LDB_DI_MUX(0); | ||
1501 | DEF_LDB_DI_MUX(1); | ||
1502 | |||
1503 | static struct multiplexer enfc_mux = { | ||
1504 | .clk = &enfc_clk, | ||
1505 | .reg = CS2CDR, | ||
1506 | .bp = BP_CS2CDR_ENFC_SEL, | ||
1507 | .bm = BM_CS2CDR_ENFC_SEL, | ||
1508 | .parents = { | ||
1509 | &pll2_pfd_352m, | ||
1510 | &pll2_bus, | ||
1511 | &pll3_usb_otg, | ||
1512 | &pll2_pfd_400m, | ||
1513 | NULL | ||
1514 | }, | ||
1515 | }; | ||
1516 | |||
1517 | static struct multiplexer spdif_mux = { | ||
1518 | .clk = &spdif_clk, | ||
1519 | .reg = CDCDR, | ||
1520 | .bp = BP_CDCDR_SPDIF_SEL, | ||
1521 | .bm = BM_CDCDR_SPDIF_SEL, | ||
1522 | .parents = { | ||
1523 | &pll4_audio, | ||
1524 | &pll3_pfd_508m, | ||
1525 | &pll3_pfd_454m, | ||
1526 | &pll3_usb_otg, | ||
1527 | NULL | ||
1528 | }, | ||
1529 | }; | ||
1530 | |||
1531 | static struct multiplexer asrc_serial_mux = { | ||
1532 | .clk = &asrc_serial_clk, | ||
1533 | .reg = CDCDR, | ||
1534 | .bp = BP_CDCDR_ASRC_SERIAL_SEL, | ||
1535 | .bm = BM_CDCDR_ASRC_SERIAL_SEL, | ||
1536 | .parents = { | ||
1537 | &pll4_audio, | ||
1538 | &pll3_pfd_508m, | ||
1539 | &pll3_pfd_454m, | ||
1540 | &pll3_usb_otg, | ||
1541 | NULL | ||
1542 | }, | ||
1543 | }; | ||
1544 | |||
1545 | static struct multiplexer hsi_tx_mux = { | ||
1546 | .clk = &hsi_tx_clk, | ||
1547 | .reg = CDCDR, | ||
1548 | .bp = BP_CDCDR_HSI_TX_SEL, | ||
1549 | .bm = BM_CDCDR_HSI_TX_SEL, | ||
1550 | .parents = { | ||
1551 | &pll3_120m, | ||
1552 | &pll2_pfd_400m, | ||
1553 | NULL | ||
1554 | }, | ||
1555 | }; | ||
1556 | |||
1557 | #define DEF_IPU_DI_PRE_MUX(r, i, d) \ | ||
1558 | static struct multiplexer ipu##i##_di##d##_pre_mux = { \ | ||
1559 | .clk = &ipu##i##_di##d##_pre_clk, \ | ||
1560 | .reg = r, \ | ||
1561 | .bp = BP_##r##_IPU##i##_DI##d##_PRE_SEL, \ | ||
1562 | .bm = BM_##r##_IPU##i##_DI##d##_PRE_SEL, \ | ||
1563 | .parents = { \ | ||
1564 | &mmdc_ch0_axi_clk, \ | ||
1565 | &pll3_usb_otg, \ | ||
1566 | &pll5_video, \ | ||
1567 | &pll2_pfd_352m, \ | ||
1568 | &pll2_pfd_400m, \ | ||
1569 | &pll3_pfd_540m, \ | ||
1570 | NULL \ | ||
1571 | }, \ | ||
1572 | } | ||
1573 | |||
1574 | DEF_IPU_DI_PRE_MUX(CHSCCDR, 1, 0); | ||
1575 | DEF_IPU_DI_PRE_MUX(CHSCCDR, 1, 1); | ||
1576 | DEF_IPU_DI_PRE_MUX(CSCDR2, 2, 0); | ||
1577 | DEF_IPU_DI_PRE_MUX(CSCDR2, 2, 1); | ||
1578 | |||
1579 | #define DEF_IPU_DI_MUX(r, i, d) \ | ||
1580 | static struct multiplexer ipu##i##_di##d##_mux = { \ | ||
1581 | .clk = &ipu##i##_di##d##_clk, \ | ||
1582 | .reg = r, \ | ||
1583 | .bp = BP_##r##_IPU##i##_DI##d##_SEL, \ | ||
1584 | .bm = BM_##r##_IPU##i##_DI##d##_SEL, \ | ||
1585 | .parents = { \ | ||
1586 | &ipu##i##_di##d##_pre_clk, \ | ||
1587 | &dummy_clk, \ | ||
1588 | &dummy_clk, \ | ||
1589 | &ldb_di0_clk, \ | ||
1590 | &ldb_di1_clk, \ | ||
1591 | NULL \ | ||
1592 | }, \ | ||
1593 | } | ||
1594 | |||
1595 | DEF_IPU_DI_MUX(CHSCCDR, 1, 0); | ||
1596 | DEF_IPU_DI_MUX(CHSCCDR, 1, 1); | ||
1597 | DEF_IPU_DI_MUX(CSCDR2, 2, 0); | ||
1598 | DEF_IPU_DI_MUX(CSCDR2, 2, 1); | ||
1599 | |||
1600 | #define DEF_IPU_MUX(id) \ | ||
1601 | static struct multiplexer ipu##id##_mux = { \ | ||
1602 | .clk = &ipu##id##_clk, \ | ||
1603 | .reg = CSCDR3, \ | ||
1604 | .bp = BP_CSCDR3_IPU##id##_HSP_SEL, \ | ||
1605 | .bm = BM_CSCDR3_IPU##id##_HSP_SEL, \ | ||
1606 | .parents = { \ | ||
1607 | &mmdc_ch0_axi_clk, \ | ||
1608 | &pll2_pfd_400m, \ | ||
1609 | &pll3_120m, \ | ||
1610 | &pll3_pfd_540m, \ | ||
1611 | NULL \ | ||
1612 | }, \ | ||
1613 | } | ||
1614 | |||
1615 | DEF_IPU_MUX(1); | ||
1616 | DEF_IPU_MUX(2); | ||
1617 | |||
1618 | static struct multiplexer *multiplexers[] = { | ||
1619 | &axi_mux, | ||
1620 | &periph_mux, | ||
1621 | &periph_pre_mux, | ||
1622 | &periph_clk2_mux, | ||
1623 | &periph2_mux, | ||
1624 | &periph2_pre_mux, | ||
1625 | &periph2_clk2_mux, | ||
1626 | &gpu2d_axi_mux, | ||
1627 | &gpu3d_axi_mux, | ||
1628 | &gpu3d_core_mux, | ||
1629 | &gpu3d_shader_mux, | ||
1630 | &pcie_axi_mux, | ||
1631 | &vdo_axi_mux, | ||
1632 | &vpu_axi_mux, | ||
1633 | &gpu2d_core_mux, | ||
1634 | &ssi1_mux, | ||
1635 | &ssi2_mux, | ||
1636 | &ssi3_mux, | ||
1637 | &usdhc1_mux, | ||
1638 | &usdhc2_mux, | ||
1639 | &usdhc3_mux, | ||
1640 | &usdhc4_mux, | ||
1641 | &emi_mux, | ||
1642 | &emi_slow_mux, | ||
1643 | &esai_mux, | ||
1644 | &ldb_di0_mux, | ||
1645 | &ldb_di1_mux, | ||
1646 | &enfc_mux, | ||
1647 | &spdif_mux, | ||
1648 | &asrc_serial_mux, | ||
1649 | &hsi_tx_mux, | ||
1650 | &ipu1_di0_pre_mux, | ||
1651 | &ipu1_di0_mux, | ||
1652 | &ipu1_di1_pre_mux, | ||
1653 | &ipu1_di1_mux, | ||
1654 | &ipu2_di0_pre_mux, | ||
1655 | &ipu2_di0_mux, | ||
1656 | &ipu2_di1_pre_mux, | ||
1657 | &ipu2_di1_mux, | ||
1658 | &ipu1_mux, | ||
1659 | &ipu2_mux, | ||
1660 | }; | ||
1661 | |||
1662 | static int _clk_set_parent(struct clk *clk, struct clk *parent) | ||
1663 | { | ||
1664 | struct multiplexer *m; | ||
1665 | int i, num; | ||
1666 | u32 val; | ||
1667 | |||
1668 | num = ARRAY_SIZE(multiplexers); | ||
1669 | for (i = 0; i < num; i++) | ||
1670 | if (multiplexers[i]->clk == clk) { | ||
1671 | m = multiplexers[i]; | ||
1672 | break; | ||
1673 | } | ||
1674 | if (i == num) | ||
1675 | return -EINVAL; | ||
1676 | |||
1677 | i = 0; | ||
1678 | while (m->parents[i]) { | ||
1679 | if (parent == m->parents[i]) | ||
1680 | break; | ||
1681 | i++; | ||
1682 | } | ||
1683 | if (!m->parents[i]) | ||
1684 | return -EINVAL; | ||
1685 | |||
1686 | val = readl_relaxed(m->reg); | ||
1687 | val &= ~m->bm; | ||
1688 | val |= i << m->bp; | ||
1689 | writel_relaxed(val, m->reg); | ||
1690 | |||
1691 | if (clk == &periph_clk) | ||
1692 | return clk_busy_wait(clk); | ||
1693 | |||
1694 | return 0; | ||
1695 | } | ||
1696 | |||
1697 | #define DEF_NG_CLK(name, p) \ | ||
1698 | static struct clk name = { \ | ||
1699 | .get_rate = _clk_get_rate, \ | ||
1700 | .set_rate = _clk_set_rate, \ | ||
1701 | .round_rate = _clk_round_rate, \ | ||
1702 | .set_parent = _clk_set_parent, \ | ||
1703 | .parent = p, \ | ||
1704 | } | ||
1705 | |||
1706 | DEF_NG_CLK(periph_clk2_clk, &osc_clk); | ||
1707 | DEF_NG_CLK(periph_pre_clk, &pll2_bus); | ||
1708 | DEF_NG_CLK(periph_clk, &periph_pre_clk); | ||
1709 | DEF_NG_CLK(periph2_clk2_clk, &osc_clk); | ||
1710 | DEF_NG_CLK(periph2_pre_clk, &pll2_bus); | ||
1711 | DEF_NG_CLK(periph2_clk, &periph2_pre_clk); | ||
1712 | DEF_NG_CLK(axi_clk, &periph_clk); | ||
1713 | DEF_NG_CLK(emi_clk, &axi_clk); | ||
1714 | DEF_NG_CLK(arm_clk, &pll1_sw_clk); | ||
1715 | DEF_NG_CLK(ahb_clk, &periph_clk); | ||
1716 | DEF_NG_CLK(ipg_clk, &ahb_clk); | ||
1717 | DEF_NG_CLK(ipg_perclk, &ipg_clk); | ||
1718 | DEF_NG_CLK(ipu1_di0_pre_clk, &pll3_pfd_540m); | ||
1719 | DEF_NG_CLK(ipu1_di1_pre_clk, &pll3_pfd_540m); | ||
1720 | DEF_NG_CLK(ipu2_di0_pre_clk, &pll3_pfd_540m); | ||
1721 | DEF_NG_CLK(ipu2_di1_pre_clk, &pll3_pfd_540m); | ||
1722 | DEF_NG_CLK(asrc_serial_clk, &pll3_usb_otg); | ||
1723 | |||
1724 | #define DEF_CLK(name, er, es, p, s) \ | ||
1725 | static struct clk name = { \ | ||
1726 | .enable_reg = er, \ | ||
1727 | .enable_shift = es, \ | ||
1728 | .enable = _clk_enable, \ | ||
1729 | .disable = _clk_disable, \ | ||
1730 | .get_rate = _clk_get_rate, \ | ||
1731 | .set_rate = _clk_set_rate, \ | ||
1732 | .round_rate = _clk_round_rate, \ | ||
1733 | .set_parent = _clk_set_parent, \ | ||
1734 | .parent = p, \ | ||
1735 | .secondary = s, \ | ||
1736 | } | ||
1737 | |||
1738 | DEF_CLK(aips_tz1_clk, CCGR0, CG0, &ahb_clk, NULL); | ||
1739 | DEF_CLK(aips_tz2_clk, CCGR0, CG1, &ahb_clk, NULL); | ||
1740 | DEF_CLK(apbh_dma_clk, CCGR0, CG2, &ahb_clk, NULL); | ||
1741 | DEF_CLK(asrc_clk, CCGR0, CG3, &pll4_audio, NULL); | ||
1742 | DEF_CLK(can1_serial_clk, CCGR0, CG8, &pll3_usb_otg, NULL); | ||
1743 | DEF_CLK(can1_clk, CCGR0, CG7, &pll3_usb_otg, &can1_serial_clk); | ||
1744 | DEF_CLK(can2_serial_clk, CCGR0, CG10, &pll3_usb_otg, NULL); | ||
1745 | DEF_CLK(can2_clk, CCGR0, CG9, &pll3_usb_otg, &can2_serial_clk); | ||
1746 | DEF_CLK(ecspi1_clk, CCGR1, CG0, &pll3_60m, NULL); | ||
1747 | DEF_CLK(ecspi2_clk, CCGR1, CG1, &pll3_60m, NULL); | ||
1748 | DEF_CLK(ecspi3_clk, CCGR1, CG2, &pll3_60m, NULL); | ||
1749 | DEF_CLK(ecspi4_clk, CCGR1, CG3, &pll3_60m, NULL); | ||
1750 | DEF_CLK(ecspi5_clk, CCGR1, CG4, &pll3_60m, NULL); | ||
1751 | DEF_CLK(enet_clk, CCGR1, CG5, &ipg_clk, NULL); | ||
1752 | DEF_CLK(esai_clk, CCGR1, CG8, &pll3_usb_otg, NULL); | ||
1753 | DEF_CLK(gpt_serial_clk, CCGR1, CG11, &ipg_perclk, NULL); | ||
1754 | DEF_CLK(gpt_clk, CCGR1, CG10, &ipg_perclk, &gpt_serial_clk); | ||
1755 | DEF_CLK(gpu2d_core_clk, CCGR1, CG12, &pll2_pfd_352m, &gpu2d_axi_clk); | ||
1756 | DEF_CLK(gpu3d_core_clk, CCGR1, CG13, &pll2_pfd_594m, &gpu3d_axi_clk); | ||
1757 | DEF_CLK(gpu3d_shader_clk, CCGR1, CG13, &pll3_pfd_720m, &gpu3d_axi_clk); | ||
1758 | DEF_CLK(hdmi_iahb_clk, CCGR2, CG0, &ahb_clk, NULL); | ||
1759 | DEF_CLK(hdmi_isfr_clk, CCGR2, CG2, &pll3_pfd_540m, &hdmi_iahb_clk); | ||
1760 | DEF_CLK(i2c1_clk, CCGR2, CG3, &ipg_perclk, NULL); | ||
1761 | DEF_CLK(i2c2_clk, CCGR2, CG4, &ipg_perclk, NULL); | ||
1762 | DEF_CLK(i2c3_clk, CCGR2, CG5, &ipg_perclk, NULL); | ||
1763 | DEF_CLK(iim_clk, CCGR2, CG6, &ipg_clk, NULL); | ||
1764 | DEF_CLK(enfc_clk, CCGR2, CG7, &pll2_pfd_352m, NULL); | ||
1765 | DEF_CLK(ipu1_clk, CCGR3, CG0, &mmdc_ch0_axi_clk, NULL); | ||
1766 | DEF_CLK(ipu1_di0_clk, CCGR3, CG1, &ipu1_di0_pre_clk, NULL); | ||
1767 | DEF_CLK(ipu1_di1_clk, CCGR3, CG2, &ipu1_di1_pre_clk, NULL); | ||
1768 | DEF_CLK(ipu2_clk, CCGR3, CG3, &mmdc_ch0_axi_clk, NULL); | ||
1769 | DEF_CLK(ipu2_di0_clk, CCGR3, CG4, &ipu2_di0_pre_clk, NULL); | ||
1770 | DEF_CLK(ipu2_di1_clk, CCGR3, CG5, &ipu2_di1_pre_clk, NULL); | ||
1771 | DEF_CLK(ldb_di0_clk, CCGR3, CG6, &pll3_pfd_540m, NULL); | ||
1772 | DEF_CLK(ldb_di1_clk, CCGR3, CG7, &pll3_pfd_540m, NULL); | ||
1773 | DEF_CLK(hsi_tx_clk, CCGR3, CG8, &pll2_pfd_400m, NULL); | ||
1774 | DEF_CLK(mlb_clk, CCGR3, CG9, &pll6_mlb, NULL); | ||
1775 | DEF_CLK(mmdc_ch0_ipg_clk, CCGR3, CG12, &ipg_clk, NULL); | ||
1776 | DEF_CLK(mmdc_ch0_axi_clk, CCGR3, CG10, &periph_clk, &mmdc_ch0_ipg_clk); | ||
1777 | DEF_CLK(mmdc_ch1_ipg_clk, CCGR3, CG13, &ipg_clk, NULL); | ||
1778 | DEF_CLK(mmdc_ch1_axi_clk, CCGR3, CG11, &periph2_clk, &mmdc_ch1_ipg_clk); | ||
1779 | DEF_CLK(openvg_axi_clk, CCGR3, CG13, &axi_clk, NULL); | ||
1780 | DEF_CLK(pwm1_clk, CCGR4, CG8, &ipg_perclk, NULL); | ||
1781 | DEF_CLK(pwm2_clk, CCGR4, CG9, &ipg_perclk, NULL); | ||
1782 | DEF_CLK(pwm3_clk, CCGR4, CG10, &ipg_perclk, NULL); | ||
1783 | DEF_CLK(pwm4_clk, CCGR4, CG11, &ipg_perclk, NULL); | ||
1784 | DEF_CLK(gpmi_bch_apb_clk, CCGR4, CG12, &usdhc3_clk, NULL); | ||
1785 | DEF_CLK(gpmi_bch_clk, CCGR4, CG13, &usdhc4_clk, &gpmi_bch_apb_clk); | ||
1786 | DEF_CLK(gpmi_apb_clk, CCGR4, CG15, &usdhc3_clk, &gpmi_bch_clk); | ||
1787 | DEF_CLK(gpmi_io_clk, CCGR4, CG14, &enfc_clk, &gpmi_apb_clk); | ||
1788 | DEF_CLK(sdma_clk, CCGR5, CG3, &ahb_clk, NULL); | ||
1789 | DEF_CLK(spba_clk, CCGR5, CG6, &ipg_clk, NULL); | ||
1790 | DEF_CLK(spdif_clk, CCGR5, CG7, &pll3_usb_otg, &spba_clk); | ||
1791 | DEF_CLK(ssi1_clk, CCGR5, CG9, &pll3_pfd_508m, NULL); | ||
1792 | DEF_CLK(ssi2_clk, CCGR5, CG10, &pll3_pfd_508m, NULL); | ||
1793 | DEF_CLK(ssi3_clk, CCGR5, CG11, &pll3_pfd_508m, NULL); | ||
1794 | DEF_CLK(uart_serial_clk, CCGR5, CG13, &pll3_usb_otg, NULL); | ||
1795 | DEF_CLK(uart_clk, CCGR5, CG12, &pll3_80m, &uart_serial_clk); | ||
1796 | DEF_CLK(usboh3_clk, CCGR6, CG0, &ipg_clk, NULL); | ||
1797 | DEF_CLK(usdhc1_clk, CCGR6, CG1, &pll2_pfd_400m, NULL); | ||
1798 | DEF_CLK(usdhc2_clk, CCGR6, CG2, &pll2_pfd_400m, NULL); | ||
1799 | DEF_CLK(usdhc3_clk, CCGR6, CG3, &pll2_pfd_400m, NULL); | ||
1800 | DEF_CLK(usdhc4_clk, CCGR6, CG4, &pll2_pfd_400m, NULL); | ||
1801 | DEF_CLK(emi_slow_clk, CCGR6, CG5, &axi_clk, NULL); | ||
1802 | DEF_CLK(vdo_axi_clk, CCGR6, CG6, &axi_clk, NULL); | ||
1803 | DEF_CLK(vpu_clk, CCGR6, CG7, &axi_clk, NULL); | ||
1804 | |||
1805 | static int pcie_clk_enable(struct clk *clk) | ||
1806 | { | ||
1807 | u32 val; | ||
1808 | |||
1809 | val = readl_relaxed(PLL8_ENET); | ||
1810 | val |= BM_PLL_ENET_EN_PCIE; | ||
1811 | writel_relaxed(val, PLL8_ENET); | ||
1812 | |||
1813 | return _clk_enable(clk); | ||
1814 | } | ||
1815 | |||
1816 | static void pcie_clk_disable(struct clk *clk) | ||
1817 | { | ||
1818 | u32 val; | ||
1819 | |||
1820 | _clk_disable(clk); | ||
1821 | |||
1822 | val = readl_relaxed(PLL8_ENET); | ||
1823 | val &= BM_PLL_ENET_EN_PCIE; | ||
1824 | writel_relaxed(val, PLL8_ENET); | ||
1825 | } | ||
1826 | |||
1827 | static struct clk pcie_clk = { | ||
1828 | .enable_reg = CCGR4, | ||
1829 | .enable_shift = CG0, | ||
1830 | .enable = pcie_clk_enable, | ||
1831 | .disable = pcie_clk_disable, | ||
1832 | .set_parent = _clk_set_parent, | ||
1833 | .parent = &axi_clk, | ||
1834 | .secondary = &pll8_enet, | ||
1835 | }; | ||
1836 | |||
1837 | static int sata_clk_enable(struct clk *clk) | ||
1838 | { | ||
1839 | u32 val; | ||
1840 | |||
1841 | val = readl_relaxed(PLL8_ENET); | ||
1842 | val |= BM_PLL_ENET_EN_SATA; | ||
1843 | writel_relaxed(val, PLL8_ENET); | ||
1844 | |||
1845 | return _clk_enable(clk); | ||
1846 | } | ||
1847 | |||
1848 | static void sata_clk_disable(struct clk *clk) | ||
1849 | { | ||
1850 | u32 val; | ||
1851 | |||
1852 | _clk_disable(clk); | ||
1853 | |||
1854 | val = readl_relaxed(PLL8_ENET); | ||
1855 | val &= BM_PLL_ENET_EN_SATA; | ||
1856 | writel_relaxed(val, PLL8_ENET); | ||
1857 | } | ||
1858 | |||
1859 | static struct clk sata_clk = { | ||
1860 | .enable_reg = CCGR5, | ||
1861 | .enable_shift = CG2, | ||
1862 | .enable = sata_clk_enable, | ||
1863 | .disable = sata_clk_disable, | ||
1864 | .parent = &ipg_clk, | ||
1865 | .secondary = &pll8_enet, | ||
1866 | }; | ||
1867 | |||
1868 | #define _REGISTER_CLOCK(d, n, c) \ | ||
1869 | { \ | ||
1870 | .dev_id = d, \ | ||
1871 | .con_id = n, \ | ||
1872 | .clk = &c, \ | ||
1873 | } | ||
1874 | |||
1875 | static struct clk_lookup lookups[] = { | ||
1876 | _REGISTER_CLOCK("2020000.uart", NULL, uart_clk), | ||
1877 | _REGISTER_CLOCK("21e8000.uart", NULL, uart_clk), | ||
1878 | _REGISTER_CLOCK("21ec000.uart", NULL, uart_clk), | ||
1879 | _REGISTER_CLOCK("21f0000.uart", NULL, uart_clk), | ||
1880 | _REGISTER_CLOCK("21f4000.uart", NULL, uart_clk), | ||
1881 | _REGISTER_CLOCK("2188000.enet", NULL, enet_clk), | ||
1882 | _REGISTER_CLOCK("2190000.usdhc", NULL, usdhc1_clk), | ||
1883 | _REGISTER_CLOCK("2194000.usdhc", NULL, usdhc2_clk), | ||
1884 | _REGISTER_CLOCK("2198000.usdhc", NULL, usdhc3_clk), | ||
1885 | _REGISTER_CLOCK("219c000.usdhc", NULL, usdhc4_clk), | ||
1886 | _REGISTER_CLOCK("21a0000.i2c", NULL, i2c1_clk), | ||
1887 | _REGISTER_CLOCK("21a4000.i2c", NULL, i2c2_clk), | ||
1888 | _REGISTER_CLOCK("21a8000.i2c", NULL, i2c3_clk), | ||
1889 | _REGISTER_CLOCK("2008000.ecspi", NULL, ecspi1_clk), | ||
1890 | _REGISTER_CLOCK("200c000.ecspi", NULL, ecspi2_clk), | ||
1891 | _REGISTER_CLOCK("2010000.ecspi", NULL, ecspi3_clk), | ||
1892 | _REGISTER_CLOCK("2014000.ecspi", NULL, ecspi4_clk), | ||
1893 | _REGISTER_CLOCK("2018000.ecspi", NULL, ecspi5_clk), | ||
1894 | _REGISTER_CLOCK("20ec000.sdma", NULL, sdma_clk), | ||
1895 | _REGISTER_CLOCK("20bc000.wdog", NULL, dummy_clk), | ||
1896 | _REGISTER_CLOCK("20c0000.wdog", NULL, dummy_clk), | ||
1897 | _REGISTER_CLOCK(NULL, "ckih", ckih_clk), | ||
1898 | _REGISTER_CLOCK(NULL, "ckil_clk", ckil_clk), | ||
1899 | _REGISTER_CLOCK(NULL, "aips_tz1_clk", aips_tz1_clk), | ||
1900 | _REGISTER_CLOCK(NULL, "aips_tz2_clk", aips_tz2_clk), | ||
1901 | _REGISTER_CLOCK(NULL, "asrc_clk", asrc_clk), | ||
1902 | _REGISTER_CLOCK(NULL, "can2_clk", can2_clk), | ||
1903 | _REGISTER_CLOCK(NULL, "hdmi_isfr_clk", hdmi_isfr_clk), | ||
1904 | _REGISTER_CLOCK(NULL, "iim_clk", iim_clk), | ||
1905 | _REGISTER_CLOCK(NULL, "mlb_clk", mlb_clk), | ||
1906 | _REGISTER_CLOCK(NULL, "openvg_axi_clk", openvg_axi_clk), | ||
1907 | _REGISTER_CLOCK(NULL, "pwm1_clk", pwm1_clk), | ||
1908 | _REGISTER_CLOCK(NULL, "pwm2_clk", pwm2_clk), | ||
1909 | _REGISTER_CLOCK(NULL, "pwm3_clk", pwm3_clk), | ||
1910 | _REGISTER_CLOCK(NULL, "pwm4_clk", pwm4_clk), | ||
1911 | _REGISTER_CLOCK(NULL, "gpmi_io_clk", gpmi_io_clk), | ||
1912 | _REGISTER_CLOCK(NULL, "usboh3_clk", usboh3_clk), | ||
1913 | _REGISTER_CLOCK(NULL, "sata_clk", sata_clk), | ||
1914 | }; | ||
1915 | |||
1916 | int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) | ||
1917 | { | ||
1918 | u32 val = readl_relaxed(CLPCR); | ||
1919 | |||
1920 | val &= ~BM_CLPCR_LPM; | ||
1921 | switch (mode) { | ||
1922 | case WAIT_CLOCKED: | ||
1923 | break; | ||
1924 | case WAIT_UNCLOCKED: | ||
1925 | val |= 0x1 << BP_CLPCR_LPM; | ||
1926 | break; | ||
1927 | case STOP_POWER_ON: | ||
1928 | val |= 0x2 << BP_CLPCR_LPM; | ||
1929 | break; | ||
1930 | case WAIT_UNCLOCKED_POWER_OFF: | ||
1931 | val |= 0x1 << BP_CLPCR_LPM; | ||
1932 | val &= ~BM_CLPCR_VSTBY; | ||
1933 | val &= ~BM_CLPCR_SBYOS; | ||
1934 | val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; | ||
1935 | break; | ||
1936 | case STOP_POWER_OFF: | ||
1937 | val |= 0x2 << BP_CLPCR_LPM; | ||
1938 | val |= 0x3 << BP_CLPCR_STBY_COUNT; | ||
1939 | val |= BM_CLPCR_VSTBY; | ||
1940 | val |= BM_CLPCR_SBYOS; | ||
1941 | val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; | ||
1942 | break; | ||
1943 | default: | ||
1944 | return -EINVAL; | ||
1945 | } | ||
1946 | writel_relaxed(val, CLPCR); | ||
1947 | |||
1948 | return 0; | ||
1949 | } | ||
1950 | |||
1951 | static struct map_desc imx6q_clock_desc[] = { | ||
1952 | imx_map_entry(MX6Q, CCM, MT_DEVICE), | ||
1953 | imx_map_entry(MX6Q, ANATOP, MT_DEVICE), | ||
1954 | }; | ||
1955 | |||
1956 | int __init mx6q_clocks_init(void) | ||
1957 | { | ||
1958 | struct device_node *np; | ||
1959 | void __iomem *base; | ||
1960 | int i, irq; | ||
1961 | |||
1962 | iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); | ||
1963 | |||
1964 | /* retrieve the freqency of fixed clocks from device tree */ | ||
1965 | for_each_compatible_node(np, NULL, "fixed-clock") { | ||
1966 | u32 rate; | ||
1967 | if (of_property_read_u32(np, "clock-frequency", &rate)) | ||
1968 | continue; | ||
1969 | |||
1970 | if (of_device_is_compatible(np, "fsl,imx-ckil")) | ||
1971 | external_low_reference = rate; | ||
1972 | else if (of_device_is_compatible(np, "fsl,imx-ckih1")) | ||
1973 | external_high_reference = rate; | ||
1974 | else if (of_device_is_compatible(np, "fsl,imx-osc")) | ||
1975 | oscillator_reference = rate; | ||
1976 | } | ||
1977 | |||
1978 | for (i = 0; i < ARRAY_SIZE(lookups); i++) | ||
1979 | clkdev_add(&lookups[i]); | ||
1980 | |||
1981 | /* only keep necessary clocks on */ | ||
1982 | writel_relaxed(0x3 << CG0 | 0x3 << CG1 | 0x3 << CG2, CCGR0); | ||
1983 | writel_relaxed(0x3 << CG8 | 0x3 << CG9 | 0x3 << CG10, CCGR2); | ||
1984 | writel_relaxed(0x3 << CG10 | 0x3 << CG12, CCGR3); | ||
1985 | writel_relaxed(0x3 << CG4 | 0x3 << CG6 | 0x3 << CG7, CCGR4); | ||
1986 | writel_relaxed(0x3 << CG0, CCGR5); | ||
1987 | writel_relaxed(0, CCGR6); | ||
1988 | writel_relaxed(0, CCGR7); | ||
1989 | |||
1990 | clk_enable(&uart_clk); | ||
1991 | clk_enable(&mmdc_ch0_axi_clk); | ||
1992 | |||
1993 | clk_set_rate(&pll4_audio, FREQ_650M); | ||
1994 | clk_set_rate(&pll5_video, FREQ_650M); | ||
1995 | clk_set_parent(&ipu1_di0_clk, &ipu1_di0_pre_clk); | ||
1996 | clk_set_parent(&ipu1_di0_pre_clk, &pll5_video); | ||
1997 | clk_set_parent(&gpu3d_shader_clk, &pll2_pfd_594m); | ||
1998 | clk_set_rate(&gpu3d_shader_clk, FREQ_594M); | ||
1999 | clk_set_parent(&gpu3d_core_clk, &mmdc_ch0_axi_clk); | ||
2000 | clk_set_rate(&gpu3d_core_clk, FREQ_528M); | ||
2001 | clk_set_parent(&asrc_serial_clk, &pll3_usb_otg); | ||
2002 | clk_set_rate(&asrc_serial_clk, 1500000); | ||
2003 | clk_set_rate(&enfc_clk, 11000000); | ||
2004 | |||
2005 | np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt"); | ||
2006 | base = of_iomap(np, 0); | ||
2007 | WARN_ON(!base); | ||
2008 | irq = irq_of_parse_and_map(np, 0); | ||
2009 | mxc_timer_init(&gpt_clk, base, irq); | ||
2010 | |||
2011 | return 0; | ||
2012 | } | ||
diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c new file mode 100644 index 000000000000..e1537f9e45b8 --- /dev/null +++ b/arch/arm/mach-imx/gpc.c | |||
@@ -0,0 +1,113 @@ | |||
1 | /* | ||
2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2011 Linaro Ltd. | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/io.h> | ||
14 | #include <linux/irq.h> | ||
15 | #include <linux/of.h> | ||
16 | #include <linux/of_address.h> | ||
17 | #include <linux/of_irq.h> | ||
18 | #include <asm/hardware/gic.h> | ||
19 | |||
20 | #define GPC_IMR1 0x008 | ||
21 | #define GPC_PGC_CPU_PDN 0x2a0 | ||
22 | |||
23 | #define IMR_NUM 4 | ||
24 | |||
25 | static void __iomem *gpc_base; | ||
26 | static u32 gpc_wake_irqs[IMR_NUM]; | ||
27 | static u32 gpc_saved_imrs[IMR_NUM]; | ||
28 | |||
29 | void imx_gpc_pre_suspend(void) | ||
30 | { | ||
31 | void __iomem *reg_imr1 = gpc_base + GPC_IMR1; | ||
32 | int i; | ||
33 | |||
34 | /* Tell GPC to power off ARM core when suspend */ | ||
35 | writel_relaxed(0x1, gpc_base + GPC_PGC_CPU_PDN); | ||
36 | |||
37 | for (i = 0; i < IMR_NUM; i++) { | ||
38 | gpc_saved_imrs[i] = readl_relaxed(reg_imr1 + i * 4); | ||
39 | writel_relaxed(~gpc_wake_irqs[i], reg_imr1 + i * 4); | ||
40 | } | ||
41 | } | ||
42 | |||
43 | void imx_gpc_post_resume(void) | ||
44 | { | ||
45 | void __iomem *reg_imr1 = gpc_base + GPC_IMR1; | ||
46 | int i; | ||
47 | |||
48 | /* Keep ARM core powered on for other low-power modes */ | ||
49 | writel_relaxed(0x0, gpc_base + GPC_PGC_CPU_PDN); | ||
50 | |||
51 | for (i = 0; i < IMR_NUM; i++) | ||
52 | writel_relaxed(gpc_saved_imrs[i], reg_imr1 + i * 4); | ||
53 | } | ||
54 | |||
55 | static int imx_gpc_irq_set_wake(struct irq_data *d, unsigned int on) | ||
56 | { | ||
57 | unsigned int idx = d->irq / 32 - 1; | ||
58 | u32 mask; | ||
59 | |||
60 | /* Sanity check for SPI irq */ | ||
61 | if (d->irq < 32) | ||
62 | return -EINVAL; | ||
63 | |||
64 | mask = 1 << d->irq % 32; | ||
65 | gpc_wake_irqs[idx] = on ? gpc_wake_irqs[idx] | mask : | ||
66 | gpc_wake_irqs[idx] & ~mask; | ||
67 | |||
68 | return 0; | ||
69 | } | ||
70 | |||
71 | static void imx_gpc_irq_unmask(struct irq_data *d) | ||
72 | { | ||
73 | void __iomem *reg; | ||
74 | u32 val; | ||
75 | |||
76 | /* Sanity check for SPI irq */ | ||
77 | if (d->irq < 32) | ||
78 | return; | ||
79 | |||
80 | reg = gpc_base + GPC_IMR1 + (d->irq / 32 - 1) * 4; | ||
81 | val = readl_relaxed(reg); | ||
82 | val &= ~(1 << d->irq % 32); | ||
83 | writel_relaxed(val, reg); | ||
84 | } | ||
85 | |||
86 | static void imx_gpc_irq_mask(struct irq_data *d) | ||
87 | { | ||
88 | void __iomem *reg; | ||
89 | u32 val; | ||
90 | |||
91 | /* Sanity check for SPI irq */ | ||
92 | if (d->irq < 32) | ||
93 | return; | ||
94 | |||
95 | reg = gpc_base + GPC_IMR1 + (d->irq / 32 - 1) * 4; | ||
96 | val = readl_relaxed(reg); | ||
97 | val |= 1 << (d->irq % 32); | ||
98 | writel_relaxed(val, reg); | ||
99 | } | ||
100 | |||
101 | void __init imx_gpc_init(void) | ||
102 | { | ||
103 | struct device_node *np; | ||
104 | |||
105 | np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpc"); | ||
106 | gpc_base = of_iomap(np, 0); | ||
107 | WARN_ON(!gpc_base); | ||
108 | |||
109 | /* Register GPC as the secondary interrupt controller behind GIC */ | ||
110 | gic_arch_extn.irq_mask = imx_gpc_irq_mask; | ||
111 | gic_arch_extn.irq_unmask = imx_gpc_irq_unmask; | ||
112 | gic_arch_extn.irq_set_wake = imx_gpc_irq_set_wake; | ||
113 | } | ||
diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c new file mode 100644 index 000000000000..c461e98496c3 --- /dev/null +++ b/arch/arm/mach-imx/mmdc.c | |||
@@ -0,0 +1,72 @@ | |||
1 | /* | ||
2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2011 Linaro Ltd. | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/init.h> | ||
14 | #include <linux/io.h> | ||
15 | #include <linux/module.h> | ||
16 | #include <linux/of.h> | ||
17 | #include <linux/of_address.h> | ||
18 | #include <linux/of_device.h> | ||
19 | |||
20 | #define MMDC_MAPSR 0x404 | ||
21 | #define BP_MMDC_MAPSR_PSD 0 | ||
22 | #define BP_MMDC_MAPSR_PSS 4 | ||
23 | |||
24 | static int __devinit imx_mmdc_probe(struct platform_device *pdev) | ||
25 | { | ||
26 | struct device_node *np = pdev->dev.of_node; | ||
27 | void __iomem *mmdc_base, *reg; | ||
28 | u32 val; | ||
29 | int timeout = 0x400; | ||
30 | |||
31 | mmdc_base = of_iomap(np, 0); | ||
32 | WARN_ON(!mmdc_base); | ||
33 | |||
34 | reg = mmdc_base + MMDC_MAPSR; | ||
35 | |||
36 | /* Enable automatic power saving */ | ||
37 | val = readl_relaxed(reg); | ||
38 | val &= ~(1 << BP_MMDC_MAPSR_PSD); | ||
39 | writel_relaxed(val, reg); | ||
40 | |||
41 | /* Ensure it's successfully enabled */ | ||
42 | while (!(readl_relaxed(reg) & 1 << BP_MMDC_MAPSR_PSS) && --timeout) | ||
43 | cpu_relax(); | ||
44 | |||
45 | if (unlikely(!timeout)) { | ||
46 | pr_warn("%s: failed to enable automatic power saving\n", | ||
47 | __func__); | ||
48 | return -EBUSY; | ||
49 | } | ||
50 | |||
51 | return 0; | ||
52 | } | ||
53 | |||
54 | static struct of_device_id imx_mmdc_dt_ids[] = { | ||
55 | { .compatible = "fsl,imx6q-mmdc", }, | ||
56 | { /* sentinel */ } | ||
57 | }; | ||
58 | |||
59 | static struct platform_driver imx_mmdc_driver = { | ||
60 | .driver = { | ||
61 | .name = "imx-mmdc", | ||
62 | .owner = THIS_MODULE, | ||
63 | .of_match_table = imx_mmdc_dt_ids, | ||
64 | }, | ||
65 | .probe = imx_mmdc_probe, | ||
66 | }; | ||
67 | |||
68 | static int __init imx_mmdc_init(void) | ||
69 | { | ||
70 | return platform_driver_register(&imx_mmdc_driver); | ||
71 | } | ||
72 | postcore_initcall(imx_mmdc_init); | ||
diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c new file mode 100644 index 000000000000..36cacbd0dcc2 --- /dev/null +++ b/arch/arm/mach-imx/src.c | |||
@@ -0,0 +1,49 @@ | |||
1 | /* | ||
2 | * Copyright 2011 Freescale Semiconductor, Inc. | ||
3 | * Copyright 2011 Linaro Ltd. | ||
4 | * | ||
5 | * The code contained herein is licensed under the GNU General Public | ||
6 | * License. You may obtain a copy of the GNU General Public License | ||
7 | * Version 2 or later at the following locations: | ||
8 | * | ||
9 | * http://www.opensource.org/licenses/gpl-license.html | ||
10 | * http://www.gnu.org/copyleft/gpl.html | ||
11 | */ | ||
12 | |||
13 | #include <linux/init.h> | ||
14 | #include <linux/io.h> | ||
15 | #include <linux/of.h> | ||
16 | #include <linux/of_address.h> | ||
17 | #include <asm/unified.h> | ||
18 | |||
19 | #define SRC_SCR 0x000 | ||
20 | #define SRC_GPR1 0x020 | ||
21 | #define BP_SRC_SCR_CORE1_RST 14 | ||
22 | #define BP_SRC_SCR_CORE1_ENABLE 22 | ||
23 | |||
24 | static void __iomem *src_base; | ||
25 | |||
26 | void imx_enable_cpu(int cpu, bool enable) | ||
27 | { | ||
28 | u32 mask, val; | ||
29 | |||
30 | mask = 1 << (BP_SRC_SCR_CORE1_ENABLE + cpu - 1); | ||
31 | val = readl_relaxed(src_base + SRC_SCR); | ||
32 | val = enable ? val | mask : val & ~mask; | ||
33 | writel_relaxed(val, src_base + SRC_SCR); | ||
34 | } | ||
35 | |||
36 | void imx_set_cpu_jump(int cpu, void *jump_addr) | ||
37 | { | ||
38 | writel_relaxed(BSYM(virt_to_phys(jump_addr)), | ||
39 | src_base + SRC_GPR1 + cpu * 8); | ||
40 | } | ||
41 | |||
42 | void __init imx_src_init(void) | ||
43 | { | ||
44 | struct device_node *np; | ||
45 | |||
46 | np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-src"); | ||
47 | src_base = of_iomap(np, 0); | ||
48 | WARN_ON(!src_base); | ||
49 | } | ||