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72d0f1c3 SMK |
1 | /* |
2 | * linux/arch/arm/mach-omap2/board-2430sdp.c | |
3 | * | |
4 | * Copyright (C) 2006 Texas Instruments | |
5 | * | |
6 | * Modified from mach-omap2/board-generic.c | |
7 | * | |
8 | * Initial Code : Based on a patch from Komal Shah and Richard Woodruff | |
9 | * Updated the Code for 2430 SDP : Syed Mohammed Khasim | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
15 | ||
16 | #include <linux/kernel.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/platform_device.h> | |
19 | #include <linux/mtd/mtd.h> | |
20 | #include <linux/mtd/partitions.h> | |
21 | #include <linux/delay.h> | |
90c62bf0 | 22 | #include <linux/i2c/twl4030.h> |
72d0f1c3 SMK |
23 | #include <linux/err.h> |
24 | #include <linux/clk.h> | |
fced80c7 | 25 | #include <linux/io.h> |
72d0f1c3 | 26 | |
a09e64fb | 27 | #include <mach/hardware.h> |
72d0f1c3 SMK |
28 | #include <asm/mach-types.h> |
29 | #include <asm/mach/arch.h> | |
30 | #include <asm/mach/map.h> | |
31 | #include <asm/mach/flash.h> | |
32 | ||
a09e64fb | 33 | #include <mach/gpio.h> |
ce491cf8 TL |
34 | #include <plat/mux.h> |
35 | #include <plat/board.h> | |
36 | #include <plat/common.h> | |
37 | #include <plat/gpmc.h> | |
38 | #include <plat/usb.h> | |
39 | #include <plat/gpmc-smc91x.h> | |
72d0f1c3 | 40 | |
90c62bf0 | 41 | #include "mmc-twl4030.h" |
72d0f1c3 | 42 | |
a362fdbd | 43 | #define SDP2430_CS0_BASE 0x04000000 |
7d8e967f | 44 | #define SECONDARY_LCD_GPIO 147 |
a362fdbd | 45 | |
72d0f1c3 SMK |
46 | static struct mtd_partition sdp2430_partitions[] = { |
47 | /* bootloader (U-Boot, etc) in first sector */ | |
48 | { | |
49 | .name = "bootloader", | |
50 | .offset = 0, | |
51 | .size = SZ_256K, | |
52 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
53 | }, | |
54 | /* bootloader params in the next sector */ | |
55 | { | |
56 | .name = "params", | |
57 | .offset = MTDPART_OFS_APPEND, | |
58 | .size = SZ_128K, | |
59 | .mask_flags = 0, | |
60 | }, | |
61 | /* kernel */ | |
62 | { | |
63 | .name = "kernel", | |
64 | .offset = MTDPART_OFS_APPEND, | |
65 | .size = SZ_2M, | |
66 | .mask_flags = 0 | |
67 | }, | |
68 | /* file system */ | |
69 | { | |
70 | .name = "filesystem", | |
71 | .offset = MTDPART_OFS_APPEND, | |
72 | .size = MTDPART_SIZ_FULL, | |
73 | .mask_flags = 0 | |
74 | } | |
75 | }; | |
76 | ||
77 | static struct flash_platform_data sdp2430_flash_data = { | |
78 | .map_name = "cfi_probe", | |
79 | .width = 2, | |
80 | .parts = sdp2430_partitions, | |
81 | .nr_parts = ARRAY_SIZE(sdp2430_partitions), | |
82 | }; | |
83 | ||
84 | static struct resource sdp2430_flash_resource = { | |
85 | .start = SDP2430_CS0_BASE, | |
86 | .end = SDP2430_CS0_BASE + SZ_64M - 1, | |
87 | .flags = IORESOURCE_MEM, | |
88 | }; | |
89 | ||
90 | static struct platform_device sdp2430_flash_device = { | |
91 | .name = "omapflash", | |
92 | .id = 0, | |
93 | .dev = { | |
94 | .platform_data = &sdp2430_flash_data, | |
95 | }, | |
96 | .num_resources = 1, | |
97 | .resource = &sdp2430_flash_resource, | |
98 | }; | |
99 | ||
7d8e967f ID |
100 | static struct platform_device sdp2430_lcd_device = { |
101 | .name = "sdp2430_lcd", | |
102 | .id = -1, | |
103 | }; | |
104 | ||
72d0f1c3 | 105 | static struct platform_device *sdp2430_devices[] __initdata = { |
72d0f1c3 | 106 | &sdp2430_flash_device, |
7d8e967f ID |
107 | &sdp2430_lcd_device, |
108 | }; | |
109 | ||
110 | static struct omap_lcd_config sdp2430_lcd_config __initdata = { | |
111 | .ctrl_name = "internal", | |
72d0f1c3 SMK |
112 | }; |
113 | ||
1a48e157 | 114 | #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE) |
72d0f1c3 | 115 | |
1a48e157 TL |
116 | static struct omap_smc91x_platform_data board_smc91x_data = { |
117 | .cs = 5, | |
118 | .gpio_irq = 149, | |
119 | .flags = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 | | |
120 | IORESOURCE_IRQ_LOWLEVEL, | |
44595982 | 121 | |
1a48e157 | 122 | }; |
72d0f1c3 | 123 | |
1a48e157 TL |
124 | static void __init board_smc91x_init(void) |
125 | { | |
126 | if (omap_rev() > OMAP3430_REV_ES1_0) | |
127 | board_smc91x_data.gpio_irq = 6; | |
128 | else | |
129 | board_smc91x_data.gpio_irq = 29; | |
72d0f1c3 | 130 | |
1a48e157 TL |
131 | gpmc_smc91x_init(&board_smc91x_data); |
132 | } | |
72d0f1c3 | 133 | |
1a48e157 | 134 | #else |
72d0f1c3 | 135 | |
1a48e157 TL |
136 | static inline void board_smc91x_init(void) |
137 | { | |
72d0f1c3 SMK |
138 | } |
139 | ||
1a48e157 TL |
140 | #endif |
141 | ||
b3c6df3a PW |
142 | static struct omap_board_config_kernel sdp2430_config[] = { |
143 | {OMAP_TAG_LCD, &sdp2430_lcd_config}, | |
144 | }; | |
145 | ||
72d0f1c3 SMK |
146 | static void __init omap_2430sdp_init_irq(void) |
147 | { | |
b3c6df3a PW |
148 | omap_board_config = sdp2430_config; |
149 | omap_board_config_size = ARRAY_SIZE(sdp2430_config); | |
58cda884 | 150 | omap2_init_common_hw(NULL, NULL); |
72d0f1c3 SMK |
151 | omap_init_irq(); |
152 | omap_gpio_init(); | |
72d0f1c3 SMK |
153 | } |
154 | ||
90c62bf0 TL |
155 | static struct twl4030_gpio_platform_data sdp2430_gpio_data = { |
156 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
157 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
158 | .irq_end = TWL4030_GPIO_IRQ_END, | |
159 | }; | |
160 | ||
161 | static struct twl4030_platform_data sdp2430_twldata = { | |
162 | .irq_base = TWL4030_IRQ_BASE, | |
163 | .irq_end = TWL4030_IRQ_END, | |
164 | ||
165 | /* platform_data for children goes here */ | |
166 | .gpio = &sdp2430_gpio_data, | |
167 | }; | |
168 | ||
169 | static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = { | |
170 | { | |
171 | I2C_BOARD_INFO("twl4030", 0x48), | |
172 | .flags = I2C_CLIENT_WAKE, | |
173 | .irq = INT_24XX_SYS_NIRQ, | |
174 | .platform_data = &sdp2430_twldata, | |
175 | }, | |
176 | }; | |
177 | ||
178 | static int __init omap2430_i2c_init(void) | |
179 | { | |
180 | omap_register_i2c_bus(1, 400, NULL, 0); | |
181 | omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo, | |
182 | ARRAY_SIZE(sdp2430_i2c_boardinfo)); | |
183 | return 0; | |
184 | } | |
185 | ||
186 | static struct twl4030_hsmmc_info mmc[] __initdata = { | |
187 | { | |
188 | .mmc = 1, | |
189 | .wires = 4, | |
190 | .gpio_cd = -EINVAL, | |
191 | .gpio_wp = -EINVAL, | |
192 | .ext_clock = 1, | |
193 | }, | |
194 | {} /* Terminator */ | |
195 | }; | |
196 | ||
72d0f1c3 SMK |
197 | static void __init omap_2430sdp_init(void) |
198 | { | |
7d8e967f ID |
199 | int ret; |
200 | ||
90c62bf0 TL |
201 | omap2430_i2c_init(); |
202 | ||
72d0f1c3 | 203 | platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices)); |
72d0f1c3 | 204 | omap_serial_init(); |
90c62bf0 | 205 | twl4030_mmc_init(mmc); |
18cb7aca | 206 | usb_musb_init(); |
1a48e157 | 207 | board_smc91x_init(); |
7d8e967f ID |
208 | |
209 | /* Turn off secondary LCD backlight */ | |
210 | ret = gpio_request(SECONDARY_LCD_GPIO, "Secondary LCD backlight"); | |
211 | if (ret == 0) | |
212 | gpio_direction_output(SECONDARY_LCD_GPIO, 0); | |
72d0f1c3 SMK |
213 | } |
214 | ||
215 | static void __init omap_2430sdp_map_io(void) | |
216 | { | |
c8d2eb8e | 217 | omap2_set_globals_243x(); |
72d0f1c3 SMK |
218 | omap2_map_common_io(); |
219 | } | |
220 | ||
221 | MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board") | |
222 | /* Maintainer: Syed Khasim - Texas Instruments Inc */ | |
223 | .phys_io = 0x48000000, | |
b4224b23 | 224 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, |
72d0f1c3 SMK |
225 | .boot_params = 0x80000100, |
226 | .map_io = omap_2430sdp_map_io, | |
227 | .init_irq = omap_2430sdp_init_irq, | |
228 | .init_machine = omap_2430sdp_init, | |
229 | .timer = &omap_timer, | |
230 | MACHINE_END |