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>
22 #include <linux/i2c/twl4030.h>
23 #include <linux/err.h>
24 #include <linux/clk.h>
25 #include <linux/io.h>
26
27 #include <mach/hardware.h>
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
33 #include <mach/gpio.h>
34 #include <mach/mux.h>
35 #include <mach/board.h>
36 #include <mach/common.h>
37 #include <mach/gpmc.h>
38 #include <mach/usb.h>
39 #include <mach/gpmc-smc91x.h>
40
41 #include "mmc-twl4030.h"
42
43 #define SDP2430_CS0_BASE 0x04000000
44 #define SECONDARY_LCD_GPIO 147
45
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
100 static struct platform_device sdp2430_lcd_device = {
101 .name = "sdp2430_lcd",
102 .id = -1,
103 };
104
105 static struct platform_device *sdp2430_devices[] __initdata = {
106 &sdp2430_flash_device,
107 &sdp2430_lcd_device,
108 };
109
110 static struct omap_lcd_config sdp2430_lcd_config __initdata = {
111 .ctrl_name = "internal",
112 };
113
114 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
115
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,
121
122 };
123
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;
130
131 gpmc_smc91x_init(&board_smc91x_data);
132 }
133
134 #else
135
136 static inline void board_smc91x_init(void)
137 {
138 }
139
140 #endif
141
142 static void __init omap_2430sdp_init_irq(void)
143 {
144 omap2_init_common_hw(NULL, NULL);
145 omap_init_irq();
146 omap_gpio_init();
147 }
148
149 static struct omap_uart_config sdp2430_uart_config __initdata = {
150 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
151 };
152
153 static struct omap_board_config_kernel sdp2430_config[] = {
154 {OMAP_TAG_UART, &sdp2430_uart_config},
155 {OMAP_TAG_LCD, &sdp2430_lcd_config},
156 };
157
158
159 static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
160 .gpio_base = OMAP_MAX_GPIO_LINES,
161 .irq_base = TWL4030_GPIO_IRQ_BASE,
162 .irq_end = TWL4030_GPIO_IRQ_END,
163 };
164
165 static struct twl4030_platform_data sdp2430_twldata = {
166 .irq_base = TWL4030_IRQ_BASE,
167 .irq_end = TWL4030_IRQ_END,
168
169 /* platform_data for children goes here */
170 .gpio = &sdp2430_gpio_data,
171 };
172
173 static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
174 {
175 I2C_BOARD_INFO("twl4030", 0x48),
176 .flags = I2C_CLIENT_WAKE,
177 .irq = INT_24XX_SYS_NIRQ,
178 .platform_data = &sdp2430_twldata,
179 },
180 };
181
182 static int __init omap2430_i2c_init(void)
183 {
184 omap_register_i2c_bus(1, 400, NULL, 0);
185 omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
186 ARRAY_SIZE(sdp2430_i2c_boardinfo));
187 return 0;
188 }
189
190 static struct twl4030_hsmmc_info mmc[] __initdata = {
191 {
192 .mmc = 1,
193 .wires = 4,
194 .gpio_cd = -EINVAL,
195 .gpio_wp = -EINVAL,
196 .ext_clock = 1,
197 },
198 {} /* Terminator */
199 };
200
201 static void __init omap_2430sdp_init(void)
202 {
203 int ret;
204
205 omap2430_i2c_init();
206
207 platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
208 omap_board_config = sdp2430_config;
209 omap_board_config_size = ARRAY_SIZE(sdp2430_config);
210 omap_serial_init();
211 twl4030_mmc_init(mmc);
212 usb_musb_init();
213 board_smc91x_init();
214
215 /* Turn off secondary LCD backlight */
216 ret = gpio_request(SECONDARY_LCD_GPIO, "Secondary LCD backlight");
217 if (ret == 0)
218 gpio_direction_output(SECONDARY_LCD_GPIO, 0);
219 }
220
221 static void __init omap_2430sdp_map_io(void)
222 {
223 omap2_set_globals_243x();
224 omap2_map_common_io();
225 }
226
227 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
228 /* Maintainer: Syed Khasim - Texas Instruments Inc */
229 .phys_io = 0x48000000,
230 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
231 .boot_params = 0x80000100,
232 .map_io = omap_2430sdp_map_io,
233 .init_irq = omap_2430sdp_init_irq,
234 .init_machine = omap_2430sdp_init,
235 .timer = &omap_timer,
236 MACHINE_END
237
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