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authorEric Benard <eric@eukrea.com>2009-07-16 10:26:33 -0400
committerSascha Hauer <s.hauer@pengutronix.de>2009-08-07 06:11:12 -0400
commitaf5b1df7136570dae9ac4c1cd193053c61b0ed8f (patch)
treea90f0276bae8d614e29655682ca5b091575b276a /arch/arm/mach-mx2
parent627fb3b9d260cb413d0ea2d179e319a20e2bd82b (diff)
Add support for Eukrea's CPUIMX27
CPUIMX27 is built around Freescale's i.MX27 and has up to 64MB of NOR Flash, up to 512MB of NAND Flash and up to 256MB of mDDR, it includes an ethernet PHY in MII mode, an I2C RTC and a ST16554 QuadUART on nCS3. Signed-off-by: Eric Benard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx2')
-rw-r--r--arch/arm/mach-mx2/Kconfig14
-rw-r--r--arch/arm/mach-mx2/Makefile2
-rw-r--r--arch/arm/mach-mx2/eukrea_cpuimx27.c235
3 files changed, 250 insertions, 1 deletions
diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig
index c77da586b71d..2c2be3953d80 100644
--- a/arch/arm/mach-mx2/Kconfig
+++ b/arch/arm/mach-mx2/Kconfig
@@ -53,6 +53,20 @@ config MACH_PCM970_BASEBOARD
53 53
54endchoice 54endchoice
55 55
56config MACH_EUKREA_CPUIMX27
57 bool "Eukrea CPUIMX27 module"
58 depends on MACH_MX27
59 help
60 Include support for Eukrea CPUIMX27 platform. This includes
61 specific configurations for the module and its peripherals.
62
63config MACH_EUKREA_CPUIMX27_USESDHC2
64 bool "CPUIMX27 integrates SDHC2 module"
65 depends on MACH_EUKREA_CPUIMX27
66 help
67 This adds support for the internal SDHC2 used on CPUIMX27 used
68 for wifi or eMMC.
69
56config MACH_MX27_3DS 70config MACH_MX27_3DS
57 bool "MX27PDK platform" 71 bool "MX27PDK platform"
58 depends on MACH_MX27 72 depends on MACH_MX27
diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile
index b9b1cca4e9bc..e12490f670d3 100644
--- a/arch/arm/mach-mx2/Makefile
+++ b/arch/arm/mach-mx2/Makefile
@@ -17,4 +17,4 @@ obj-$(CONFIG_MACH_PCM038) += pcm038.o
17obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o 17obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o
18obj-$(CONFIG_MACH_MX27_3DS) += mx27pdk.o 18obj-$(CONFIG_MACH_MX27_3DS) += mx27pdk.o
19obj-$(CONFIG_MACH_MX27LITE) += mx27lite.o 19obj-$(CONFIG_MACH_MX27LITE) += mx27lite.o
20 20obj-$(CONFIG_MACH_EUKREA_CPUIMX27) += eukrea_cpuimx27.o
diff --git a/arch/arm/mach-mx2/eukrea_cpuimx27.c b/arch/arm/mach-mx2/eukrea_cpuimx27.c
new file mode 100644
index 000000000000..a2c4181892ca
--- /dev/null
+++ b/arch/arm/mach-mx2/eukrea_cpuimx27.c
@@ -0,0 +1,235 @@
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
30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/time.h>
33#include <asm/mach/map.h>
34
35#include <mach/board-eukrea_cpuimx27.h>
36#include <mach/common.h>
37#include <mach/hardware.h>
38#include <mach/i2c.h>
39#include <mach/iomux.h>
40#include <mach/imx-uart.h>
41#include <mach/mxc_nand.h>
42
43#include "devices.h"
44
45static int eukrea_cpuimx27_pins[] = {
46 /* UART1 */
47 PE12_PF_UART1_TXD,
48 PE13_PF_UART1_RXD,
49 PE14_PF_UART1_CTS,
50 PE15_PF_UART1_RTS,
51 /* UART4 */
52 PB26_AF_UART4_RTS,
53 PB28_AF_UART4_TXD,
54 PB29_AF_UART4_CTS,
55 PB31_AF_UART4_RXD,
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 /* SDHC2 */
79 PB4_PF_SD2_D0,
80 PB5_PF_SD2_D1,
81 PB6_PF_SD2_D2,
82 PB7_PF_SD2_D3,
83 PB8_PF_SD2_CMD,
84 PB9_PF_SD2_CLK,
85#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
86 /* Quad UART's IRQ */
87 GPIO_PORTD | 22 | GPIO_GPIO | GPIO_IN,
88 GPIO_PORTD | 23 | GPIO_GPIO | GPIO_IN,
89 GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN,
90 GPIO_PORTD | 30 | GPIO_GPIO | GPIO_IN,
91#endif
92};
93
94static struct physmap_flash_data eukrea_cpuimx27_flash_data = {
95 .width = 2,
96};
97
98static struct resource eukrea_cpuimx27_flash_resource = {
99 .start = 0xc0000000,
100 .end = 0xc3ffffff,
101 .flags = IORESOURCE_MEM,
102};
103
104static struct platform_device eukrea_cpuimx27_nor_mtd_device = {
105 .name = "physmap-flash",
106 .id = 0,
107 .dev = {
108 .platform_data = &eukrea_cpuimx27_flash_data,
109 },
110 .num_resources = 1,
111 .resource = &eukrea_cpuimx27_flash_resource,
112};
113
114static struct imxuart_platform_data uart_pdata[] = {
115 {
116 .flags = IMXUART_HAVE_RTSCTS,
117 }, {
118 .flags = IMXUART_HAVE_RTSCTS,
119 },
120};
121
122static struct mxc_nand_platform_data eukrea_cpuimx27_nand_board_info = {
123 .width = 1,
124 .hw_ecc = 1,
125};
126
127static struct platform_device *platform_devices[] __initdata = {
128 &eukrea_cpuimx27_nor_mtd_device,
129 &mxc_fec_device,
130};
131
132static struct imxi2c_platform_data eukrea_cpuimx27_i2c_1_data = {
133 .bitrate = 100000,
134};
135
136static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = {
137 {
138 I2C_BOARD_INFO("rtc-pcf8563", 0x51),
139 .type = "pcf8563"
140 },
141};
142
143#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
144static struct plat_serial8250_port serial_platform_data[] = {
145 {
146 .mapbase = (unsigned long)(CS3_BASE_ADDR + 0x200000),
147 .irq = IRQ_GPIOB(23),
148 .uartclk = 14745600,
149 .regshift = 1,
150 .iotype = UPIO_MEM,
151 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
152 }, {
153 .mapbase = (unsigned long)(CS3_BASE_ADDR + 0x400000),
154 .irq = IRQ_GPIOB(22),
155 .uartclk = 14745600,
156 .regshift = 1,
157 .iotype = UPIO_MEM,
158 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
159 }, {
160 .mapbase = (unsigned long)(CS3_BASE_ADDR + 0x800000),
161 .irq = IRQ_GPIOB(27),
162 .uartclk = 14745600,
163 .regshift = 1,
164 .iotype = UPIO_MEM,
165 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
166 }, {
167 .mapbase = (unsigned long)(CS3_BASE_ADDR + 0x1000000),
168 .irq = IRQ_GPIOB(30),
169 .uartclk = 14745600,
170 .regshift = 1,
171 .iotype = UPIO_MEM,
172 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
173 }, {
174 }
175};
176
177static struct platform_device serial_device = {
178 .name = "serial8250",
179 .id = 0,
180 .dev = {
181 .platform_data = serial_platform_data,
182 },
183};
184#endif
185
186static void __init eukrea_cpuimx27_init(void)
187{
188 mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins,
189 ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27");
190
191 mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
192
193 mxc_register_device(&mxc_nand_device, &eukrea_cpuimx27_nand_board_info);
194
195 i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices,
196 ARRAY_SIZE(eukrea_cpuimx27_i2c_devices));
197
198 mxc_register_device(&mxc_i2c_device0, &eukrea_cpuimx27_i2c_1_data);
199
200 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
201
202#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
203 /* SDHC2 can be used for Wifi */
204 mxc_register_device(&mxc_sdhc_device1, NULL);
205 /* in which case UART4 is also used for Bluetooth */
206 mxc_register_device(&mxc_uart_device3, &uart_pdata[1]);
207#endif
208
209#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
210 platform_device_register(&serial_device);
211#endif
212
213#ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD
214 eukrea_mbimx27_baseboard_init();
215#endif
216}
217
218static void __init eukrea_cpuimx27_timer_init(void)
219{
220 mx27_clocks_init(26000000);
221}
222
223static struct sys_timer eukrea_cpuimx27_timer = {
224 .init = eukrea_cpuimx27_timer_init,
225};
226
227MACHINE_START(CPUIMX27, "EUKREA CPUIMX27")
228 .phys_io = AIPI_BASE_ADDR,
229 .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
230 .boot_params = PHYS_OFFSET + 0x100,
231 .map_io = mx27_map_io,
232 .init_irq = mx27_init_irq,
233 .init_machine = eukrea_cpuimx27_init,
234 .timer = &eukrea_cpuimx27_timer,
235MACHINE_END