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Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
-rw-r--r--arch/arm/mach-mx3/mx31moboard.c117
1 files changed, 98 insertions, 19 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
index 34c2a1b99d4f..a17f2e411609 100644
--- a/arch/arm/mach-mx3/mx31moboard.c
+++ b/arch/arm/mach-mx3/mx31moboard.c
@@ -16,26 +16,47 @@
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */ 17 */
18 18
19#include <linux/types.h> 19#include <linux/gpio.h>
20#include <linux/init.h> 20#include <linux/init.h>
21 21#include <linux/interrupt.h>
22#include <linux/platform_device.h> 22#include <linux/memory.h>
23#include <linux/mtd/physmap.h> 23#include <linux/mtd/physmap.h>
24#include <linux/mtd/partitions.h> 24#include <linux/mtd/partitions.h>
25#include <linux/memory.h> 25#include <linux/platform_device.h>
26#include <linux/types.h>
26 27
27#include <mach/hardware.h>
28#include <asm/mach-types.h> 28#include <asm/mach-types.h>
29#include <asm/mach/arch.h> 29#include <asm/mach/arch.h>
30#include <asm/mach/time.h> 30#include <asm/mach/time.h>
31#include <asm/mach/map.h> 31#include <asm/mach/map.h>
32#include <mach/board-mx31moboard.h>
32#include <mach/common.h> 33#include <mach/common.h>
34#include <mach/hardware.h>
33#include <mach/imx-uart.h> 35#include <mach/imx-uart.h>
34#include <mach/iomux-mx3.h> 36#include <mach/iomux-mx3.h>
35#include <mach/board-mx31moboard.h> 37#include <mach/i2c.h>
38#include <mach/mmc.h>
36 39
37#include "devices.h" 40#include "devices.h"
38 41
42static unsigned int moboard_pins[] = {
43 /* UART0 */
44 MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1,
45 MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
46 /* UART4 */
47 MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
48 MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
49 /* I2C0 */
50 MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
51 /* I2C1 */
52 MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
53 /* SDHC1 */
54 MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
55 MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
56 MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
57 MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
58};
59
39static struct physmap_flash_data mx31moboard_flash_data = { 60static struct physmap_flash_data mx31moboard_flash_data = {
40 .width = 2, 61 .width = 2,
41}; 62};
@@ -60,17 +81,69 @@ static struct imxuart_platform_data uart_pdata = {
60 .flags = IMXUART_HAVE_RTSCTS, 81 .flags = IMXUART_HAVE_RTSCTS,
61}; 82};
62 83
63static struct platform_device *devices[] __initdata = { 84static struct imxi2c_platform_data moboard_i2c0_pdata = {
64 &mx31moboard_flash, 85 .bitrate = 400000,
65}; 86};
66 87
67static int mxc_uart0_pins[] = { 88static struct imxi2c_platform_data moboard_i2c1_pdata = {
68 MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1, 89 .bitrate = 100000,
69 MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
70}; 90};
71static int mxc_uart4_pins[] = { 91
72 MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5, 92#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
73 MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5, 93#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
94
95static int moboard_sdhc1_get_ro(struct device *dev)
96{
97 return gpio_get_value(SDHC1_WP);
98}
99
100static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
101 void *data)
102{
103 int ret;
104
105 ret = gpio_request(SDHC1_CD, "sdhc-detect");
106 if (ret)
107 return ret;
108
109 gpio_direction_input(SDHC1_CD);
110
111 ret = gpio_request(SDHC1_WP, "sdhc-wp");
112 if (ret)
113 goto err_gpio_free;
114 gpio_direction_input(SDHC1_WP);
115
116 ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
117 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
118 "sdhc1-card-detect", data);
119 if (ret)
120 goto err_gpio_free_2;
121
122 return 0;
123
124err_gpio_free_2:
125 gpio_free(SDHC1_WP);
126err_gpio_free:
127 gpio_free(SDHC1_CD);
128
129 return ret;
130}
131
132static void moboard_sdhc1_exit(struct device *dev, void *data)
133{
134 free_irq(gpio_to_irq(SDHC1_CD), data);
135 gpio_free(SDHC1_WP);
136 gpio_free(SDHC1_CD);
137}
138
139static struct imxmmc_platform_data sdhc1_pdata = {
140 .get_ro = moboard_sdhc1_get_ro,
141 .init = moboard_sdhc1_init,
142 .exit = moboard_sdhc1_exit,
143};
144
145static struct platform_device *devices[] __initdata = {
146 &mx31moboard_flash,
74}; 147};
75 148
76static int mx31moboard_baseboard; 149static int mx31moboard_baseboard;
@@ -81,14 +154,19 @@ core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
81 */ 154 */
82static void __init mxc_board_init(void) 155static void __init mxc_board_init(void)
83{ 156{
157 mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
158 "moboard");
159
84 platform_add_devices(devices, ARRAY_SIZE(devices)); 160 platform_add_devices(devices, ARRAY_SIZE(devices));
85 161
86 mxc_iomux_setup_multiple_pins(mxc_uart0_pins, ARRAY_SIZE(mxc_uart0_pins), "uart0");
87 mxc_register_device(&mxc_uart_device0, &uart_pdata); 162 mxc_register_device(&mxc_uart_device0, &uart_pdata);
88
89 mxc_iomux_setup_multiple_pins(mxc_uart4_pins, ARRAY_SIZE(mxc_uart4_pins), "uart4");
90 mxc_register_device(&mxc_uart_device4, &uart_pdata); 163 mxc_register_device(&mxc_uart_device4, &uart_pdata);
91 164
165 mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata);
166 mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata);
167
168 mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata);
169
92 switch (mx31moboard_baseboard) { 170 switch (mx31moboard_baseboard) {
93 case MX31NOBOARD: 171 case MX31NOBOARD:
94 break; 172 break;
@@ -99,7 +177,8 @@ static void __init mxc_board_init(void)
99 mx31moboard_marxbot_init(); 177 mx31moboard_marxbot_init();
100 break; 178 break;
101 default: 179 default:
102 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n", mx31moboard_baseboard); 180 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
181 mx31moboard_baseboard);
103 } 182 }
104} 183}
105 184
@@ -117,7 +196,7 @@ MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
117 .phys_io = AIPS1_BASE_ADDR, 196 .phys_io = AIPS1_BASE_ADDR,
118 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, 197 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
119 .boot_params = PHYS_OFFSET + 0x100, 198 .boot_params = PHYS_OFFSET + 0x100,
120 .map_io = mxc_map_io, 199 .map_io = mx31_map_io,
121 .init_irq = mxc_init_irq, 200 .init_irq = mxc_init_irq,
122 .init_machine = mxc_board_init, 201 .init_machine = mxc_board_init,
123 .timer = &mx31moboard_timer, 202 .timer = &mx31moboard_timer,