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-rw-r--r--arch/arm/mach-mx3/pcm037.c138
1 files changed, 98 insertions, 40 deletions
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c
index 8cea82587222..5fce022114de 100644
--- a/arch/arm/mach-mx3/pcm037.c
+++ b/arch/arm/mach-mx3/pcm037.c
@@ -26,6 +26,8 @@
26#include <linux/gpio.h> 26#include <linux/gpio.h>
27#include <linux/smc911x.h> 27#include <linux/smc911x.h>
28#include <linux/interrupt.h> 28#include <linux/interrupt.h>
29#include <linux/i2c.h>
30#include <linux/i2c/at24.h>
29 31
30#include <mach/hardware.h> 32#include <mach/hardware.h>
31#include <asm/mach-types.h> 33#include <asm/mach-types.h>
@@ -37,6 +39,10 @@
37#include <mach/iomux-mx3.h> 39#include <mach/iomux-mx3.h>
38#include <mach/board-pcm037.h> 40#include <mach/board-pcm037.h>
39#include <mach/mxc_nand.h> 41#include <mach/mxc_nand.h>
42#include <mach/mmc.h>
43#ifdef CONFIG_I2C_IMX
44#include <mach/i2c.h>
45#endif
40 46
41#include "devices.h" 47#include "devices.h"
42 48
@@ -117,12 +123,90 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = {
117 .hw_ecc = 1, 123 .hw_ecc = 1,
118}; 124};
119 125
126#ifdef CONFIG_I2C_IMX
127static int i2c_1_pins[] = {
128 MX31_PIN_CSPI2_MOSI__SCL,
129 MX31_PIN_CSPI2_MISO__SDA,
130};
131
132static int pcm037_i2c_1_init(struct device *dev)
133{
134 return mxc_iomux_setup_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins),
135 "i2c-1");
136}
137
138static void pcm037_i2c_1_exit(struct device *dev)
139{
140 mxc_iomux_release_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins));
141}
142
143static struct imxi2c_platform_data pcm037_i2c_1_data = {
144 .bitrate = 100000,
145 .init = pcm037_i2c_1_init,
146 .exit = pcm037_i2c_1_exit,
147};
148
149static struct at24_platform_data board_eeprom = {
150 .byte_len = 4096,
151 .page_size = 32,
152 .flags = AT24_FLAG_ADDR16,
153};
154
155static struct i2c_board_info pcm037_i2c_devices[] = {
156 {
157 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
158 .platform_data = &board_eeprom,
159 }, {
160 I2C_BOARD_INFO("rtc-pcf8563", 0x51),
161 .type = "pcf8563",
162 }
163};
164#endif
165
166static int sdhc1_pins[] = {
167 MX31_PIN_SD1_DATA3__SD1_DATA3,
168 MX31_PIN_SD1_DATA2__SD1_DATA2,
169 MX31_PIN_SD1_DATA1__SD1_DATA1,
170 MX31_PIN_SD1_DATA0__SD1_DATA0,
171 MX31_PIN_SD1_CLK__SD1_CLK,
172 MX31_PIN_SD1_CMD__SD1_CMD,
173};
174
175static int pcm970_sdhc1_init(struct device *dev, irq_handler_t h, void *data)
176{
177 return mxc_iomux_setup_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins),
178 "sdhc-1");
179}
180
181static void pcm970_sdhc1_exit(struct device *dev, void *data)
182{
183 mxc_iomux_release_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins));
184}
185
186/* No card and rw detection at the moment */
187static struct imxmmc_platform_data sdhc_pdata = {
188 .init = pcm970_sdhc1_init,
189 .exit = pcm970_sdhc1_exit,
190};
191
120static struct platform_device *devices[] __initdata = { 192static struct platform_device *devices[] __initdata = {
121 &pcm037_flash, 193 &pcm037_flash,
122 &pcm037_eth, 194 &pcm037_eth,
123 &pcm037_sram_device, 195 &pcm037_sram_device,
124}; 196};
125 197
198static int uart0_pins[] = {
199 MX31_PIN_CTS1__CTS1,
200 MX31_PIN_RTS1__RTS1,
201 MX31_PIN_TXD1__TXD1,
202 MX31_PIN_RXD1__RXD1
203};
204
205static int uart2_pins[] = {
206 MX31_PIN_CSPI3_MOSI__RXD3,
207 MX31_PIN_CSPI3_MISO__TXD3
208};
209
126/* 210/*
127 * Board specific initialization. 211 * Board specific initialization.
128 */ 212 */
@@ -130,59 +214,33 @@ static void __init mxc_board_init(void)
130{ 214{
131 platform_add_devices(devices, ARRAY_SIZE(devices)); 215 platform_add_devices(devices, ARRAY_SIZE(devices));
132 216
133 mxc_iomux_mode(MX31_PIN_CTS1__CTS1); 217 mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0");
134 mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
135 mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
136 mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
137
138 mxc_register_device(&mxc_uart_device0, &uart_pdata); 218 mxc_register_device(&mxc_uart_device0, &uart_pdata);
139 219
140 mxc_iomux_mode(MX31_PIN_CSPI3_MOSI__RXD3); 220 mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2");
141 mxc_iomux_mode(MX31_PIN_CSPI3_MISO__TXD3);
142
143 mxc_register_device(&mxc_uart_device2, &uart_pdata); 221 mxc_register_device(&mxc_uart_device2, &uart_pdata);
144 222
145 mxc_iomux_mode(MX31_PIN_BATT_LINE__OWIRE); 223 mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire");
146 mxc_register_device(&mxc_w1_master_device, NULL); 224 mxc_register_device(&mxc_w1_master_device, NULL);
147 225
148 /* SMSC9215 IRQ pin */ 226 /* SMSC9215 IRQ pin */
149 mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO)); 227 if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
150 if (!gpio_request(MX31_PIN_GPIO3_1, "pcm037-eth")) 228 "pcm037-eth"))
151 gpio_direction_input(MX31_PIN_GPIO3_1); 229 gpio_direction_input(MX31_PIN_GPIO3_1);
152 230
153 mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info); 231#ifdef CONFIG_I2C_IMX
154} 232 i2c_register_board_info(1, pcm037_i2c_devices,
233 ARRAY_SIZE(pcm037_i2c_devices));
155 234
156/* 235 mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
157 * This structure defines static mappings for the pcm037 board. 236#endif
158 */ 237 mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
159static struct map_desc pcm037_io_desc[] __initdata = { 238 mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
160 {
161 .virtual = AIPS1_BASE_ADDR_VIRT,
162 .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
163 .length = AIPS1_SIZE,
164 .type = MT_DEVICE_NONSHARED
165 }, {
166 .virtual = AIPS2_BASE_ADDR_VIRT,
167 .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
168 .length = AIPS2_SIZE,
169 .type = MT_DEVICE_NONSHARED
170 },
171};
172
173/*
174 * Set up static virtual mappings.
175 */
176void __init pcm037_map_io(void)
177{
178 mxc_map_io();
179 iotable_init(pcm037_io_desc, ARRAY_SIZE(pcm037_io_desc));
180} 239}
181 240
182static void __init pcm037_timer_init(void) 241static void __init pcm037_timer_init(void)
183{ 242{
184 mxc_clocks_init(26000000); 243 mx31_clocks_init(26000000);
185 mxc_timer_init("ipg_clk.0");
186} 244}
187 245
188struct sys_timer pcm037_timer = { 246struct sys_timer pcm037_timer = {
@@ -194,7 +252,7 @@ MACHINE_START(PCM037, "Phytec Phycore pcm037")
194 .phys_io = AIPS1_BASE_ADDR, 252 .phys_io = AIPS1_BASE_ADDR,
195 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, 253 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
196 .boot_params = PHYS_OFFSET + 0x100, 254 .boot_params = PHYS_OFFSET + 0x100,
197 .map_io = pcm037_map_io, 255 .map_io = mxc_map_io,
198 .init_irq = mxc_init_irq, 256 .init_irq = mxc_init_irq,
199 .init_machine = mxc_board_init, 257 .init_machine = mxc_board_init,
200 .timer = &pcm037_timer, 258 .timer = &pcm037_timer,