diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 117 |
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 | ||
42 | static 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 | |||
39 | static struct physmap_flash_data mx31moboard_flash_data = { | 60 | static 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 | ||
63 | static struct platform_device *devices[] __initdata = { | 84 | static struct imxi2c_platform_data moboard_i2c0_pdata = { |
64 | &mx31moboard_flash, | 85 | .bitrate = 400000, |
65 | }; | 86 | }; |
66 | 87 | ||
67 | static int mxc_uart0_pins[] = { | 88 | static 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 | }; |
71 | static 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 | |||
95 | static int moboard_sdhc1_get_ro(struct device *dev) | ||
96 | { | ||
97 | return gpio_get_value(SDHC1_WP); | ||
98 | } | ||
99 | |||
100 | static 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 | |||
124 | err_gpio_free_2: | ||
125 | gpio_free(SDHC1_WP); | ||
126 | err_gpio_free: | ||
127 | gpio_free(SDHC1_CD); | ||
128 | |||
129 | return ret; | ||
130 | } | ||
131 | |||
132 | static 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 | |||
139 | static 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 | |||
145 | static struct platform_device *devices[] __initdata = { | ||
146 | &mx31moboard_flash, | ||
74 | }; | 147 | }; |
75 | 148 | ||
76 | static int mx31moboard_baseboard; | 149 | static int mx31moboard_baseboard; |
@@ -81,14 +154,19 @@ core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); | |||
81 | */ | 154 | */ |
82 | static void __init mxc_board_init(void) | 155 | static 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, |