Merge git://git.linux-nfs.org/pub/linux/nfs-2.6
[linux-2.6] / arch / arm / mach-omap1 / board-perseus2.c
1 /*
2  * linux/arch/arm/mach-omap1/board-perseus2.c
3  *
4  * Modified from board-generic.c
5  *
6  * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
7  * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/delay.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/nand.h>
20 #include <linux/mtd/partitions.h>
21 #include <linux/input.h>
22
23 #include <asm/hardware.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/flash.h>
27 #include <asm/mach/map.h>
28
29 #include <asm/arch/tc.h>
30 #include <asm/arch/gpio.h>
31 #include <asm/arch/mux.h>
32 #include <asm/arch/fpga.h>
33 #include <asm/arch/keypad.h>
34 #include <asm/arch/common.h>
35 #include <asm/arch/board.h>
36
37 static int p2_keymap[] = {
38         KEY(0,0,KEY_UP),
39         KEY(0,1,KEY_RIGHT),
40         KEY(0,2,KEY_LEFT),
41         KEY(0,3,KEY_DOWN),
42         KEY(0,4,KEY_CENTER),
43         KEY(0,5,KEY_0_5),
44         KEY(1,0,KEY_SOFT2),
45         KEY(1,1,KEY_SEND),
46         KEY(1,2,KEY_END),
47         KEY(1,3,KEY_VOLUMEDOWN),
48         KEY(1,4,KEY_VOLUMEUP),
49         KEY(1,5,KEY_RECORD),
50         KEY(2,0,KEY_SOFT1),
51         KEY(2,1,KEY_3),
52         KEY(2,2,KEY_6),
53         KEY(2,3,KEY_9),
54         KEY(2,4,KEY_SHARP),
55         KEY(2,5,KEY_2_5),
56         KEY(3,0,KEY_BACK),
57         KEY(3,1,KEY_2),
58         KEY(3,2,KEY_5),
59         KEY(3,3,KEY_8),
60         KEY(3,4,KEY_0),
61         KEY(3,5,KEY_HEADSETHOOK),
62         KEY(4,0,KEY_HOME),
63         KEY(4,1,KEY_1),
64         KEY(4,2,KEY_4),
65         KEY(4,3,KEY_7),
66         KEY(4,4,KEY_STAR),
67         KEY(4,5,KEY_POWER),
68         0
69 };
70
71 static struct resource smc91x_resources[] = {
72         [0] = {
73                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
74                 .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
75                 .flags  = IORESOURCE_MEM,
76         },
77         [1] = {
78                 .start  = INT_730_MPU_EXT_NIRQ,
79                 .end    = 0,
80                 .flags  = IORESOURCE_IRQ,
81         },
82 };
83
84 static struct mtd_partition nor_partitions[] = {
85         /* bootloader (U-Boot, etc) in first sector */
86         {
87               .name             = "bootloader",
88               .offset           = 0,
89               .size             = SZ_128K,
90               .mask_flags       = MTD_WRITEABLE, /* force read-only */
91         },
92         /* bootloader params in the next sector */
93         {
94               .name             = "params",
95               .offset           = MTDPART_OFS_APPEND,
96               .size             = SZ_128K,
97               .mask_flags       = 0,
98         },
99         /* kernel */
100         {
101               .name             = "kernel",
102               .offset           = MTDPART_OFS_APPEND,
103               .size             = SZ_2M,
104               .mask_flags       = 0
105         },
106         /* rest of flash is a file system */
107         {
108               .name             = "rootfs",
109               .offset           = MTDPART_OFS_APPEND,
110               .size             = MTDPART_SIZ_FULL,
111               .mask_flags       = 0
112         },
113 };
114
115 static struct flash_platform_data nor_data = {
116         .map_name       = "cfi_probe",
117         .width          = 2,
118         .parts          = nor_partitions,
119         .nr_parts       = ARRAY_SIZE(nor_partitions),
120 };
121
122 static struct resource nor_resource = {
123         .start          = OMAP_CS0_PHYS,
124         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
125         .flags          = IORESOURCE_MEM,
126 };
127
128 static struct platform_device nor_device = {
129         .name           = "omapflash",
130         .id             = 0,
131         .dev            = {
132                 .platform_data  = &nor_data,
133         },
134         .num_resources  = 1,
135         .resource       = &nor_resource,
136 };
137
138 static struct nand_platform_data nand_data = {
139         .options        = NAND_SAMSUNG_LP_OPTIONS,
140 };
141
142 static struct resource nand_resource = {
143         .start          = OMAP_CS3_PHYS,
144         .end            = OMAP_CS3_PHYS + SZ_4K - 1,
145         .flags          = IORESOURCE_MEM,
146 };
147
148 static struct platform_device nand_device = {
149         .name           = "omapnand",
150         .id             = 0,
151         .dev            = {
152                 .platform_data  = &nand_data,
153         },
154         .num_resources  = 1,
155         .resource       = &nand_resource,
156 };
157
158 static struct platform_device smc91x_device = {
159         .name           = "smc91x",
160         .id             = 0,
161         .num_resources  = ARRAY_SIZE(smc91x_resources),
162         .resource       = smc91x_resources,
163 };
164
165 static struct resource kp_resources[] = {
166         [0] = {
167                 .start  = INT_730_MPUIO_KEYPAD,
168                 .end    = INT_730_MPUIO_KEYPAD,
169                 .flags  = IORESOURCE_IRQ,
170         },
171 };
172
173 static struct omap_kp_platform_data kp_data = {
174         .rows           = 8,
175         .cols           = 8,
176         .keymap         = p2_keymap,
177         .keymapsize     = ARRAY_SIZE(p2_keymap),
178         .delay          = 4,
179         .dbounce        = 1,
180 };
181
182 static struct platform_device kp_device = {
183         .name           = "omap-keypad",
184         .id             = -1,
185         .dev            = {
186                 .platform_data = &kp_data,
187         },
188         .num_resources  = ARRAY_SIZE(kp_resources),
189         .resource       = kp_resources,
190 };
191
192 static struct platform_device lcd_device = {
193         .name           = "lcd_p2",
194         .id             = -1,
195 };
196
197 static struct platform_device *devices[] __initdata = {
198         &nor_device,
199         &nand_device,
200         &smc91x_device,
201         &kp_device,
202         &lcd_device,
203 };
204
205 #define P2_NAND_RB_GPIO_PIN     62
206
207 static int nand_dev_ready(struct nand_platform_data *data)
208 {
209         return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
210 }
211
212 static struct omap_uart_config perseus2_uart_config __initdata = {
213         .enabled_uarts = ((1 << 0) | (1 << 1)),
214 };
215
216 static struct omap_lcd_config perseus2_lcd_config __initdata = {
217         .ctrl_name      = "internal",
218 };
219
220 static struct omap_board_config_kernel perseus2_config[] = {
221         { OMAP_TAG_UART,        &perseus2_uart_config },
222         { OMAP_TAG_LCD,         &perseus2_lcd_config },
223 };
224
225 static void __init omap_perseus2_init(void)
226 {
227         if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
228                 nand_data.dev_ready = nand_dev_ready;
229
230         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
231         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
232
233         platform_add_devices(devices, ARRAY_SIZE(devices));
234
235         omap_board_config = perseus2_config;
236         omap_board_config_size = ARRAY_SIZE(perseus2_config);
237         omap_serial_init();
238 }
239
240 static void __init perseus2_init_smc91x(void)
241 {
242         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
243         mdelay(50);
244         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
245                    H2P2_DBG_FPGA_LAN_RESET);
246         mdelay(50);
247 }
248
249 void omap_perseus2_init_irq(void)
250 {
251         omap1_init_common_hw();
252         omap_init_irq();
253         omap_gpio_init();
254         perseus2_init_smc91x();
255 }
256 /* Only FPGA needs to be mapped here. All others are done with ioremap */
257 static struct map_desc omap_perseus2_io_desc[] __initdata = {
258         {
259                 .virtual        = H2P2_DBG_FPGA_BASE,
260                 .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
261                 .length         = H2P2_DBG_FPGA_SIZE,
262                 .type           = MT_DEVICE
263         }
264 };
265
266 static void __init omap_perseus2_map_io(void)
267 {
268         omap1_map_common_io();
269         iotable_init(omap_perseus2_io_desc,
270                      ARRAY_SIZE(omap_perseus2_io_desc));
271
272         /* Early, board-dependent init */
273
274         /*
275          * Hold GSM Reset until needed
276          */
277         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
278
279         /*
280          * UARTs -> done automagically by 8250 driver
281          */
282
283         /*
284          * CSx timings, GPIO Mux ... setup
285          */
286
287         /* Flash: CS0 timings setup */
288         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
289         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
290
291         /*
292          * Ethernet support through the debug board
293          * CS1 timings setup
294          */
295         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
296         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
297
298         /*
299          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
300          * It is used as the Ethernet controller interrupt
301          */
302         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
303 }
304
305 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
306         /* Maintainer: Kevin Hilman <kjh@hilman.org> */
307         .phys_io        = 0xfff00000,
308         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
309         .boot_params    = 0x10000100,
310         .map_io         = omap_perseus2_map_io,
311         .init_irq       = omap_perseus2_init_irq,
312         .init_machine   = omap_perseus2_init,
313         .timer          = &omap_timer,
314 MACHINE_END