Pull bugzilla-9747 into release branch
[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_ENTER),
43         KEY(1,0,KEY_F10),
44         KEY(1,1,KEY_SEND),
45         KEY(1,2,KEY_END),
46         KEY(1,3,KEY_VOLUMEDOWN),
47         KEY(1,4,KEY_VOLUMEUP),
48         KEY(1,5,KEY_RECORD),
49         KEY(2,0,KEY_F9),
50         KEY(2,1,KEY_3),
51         KEY(2,2,KEY_6),
52         KEY(2,3,KEY_9),
53         KEY(2,4,KEY_KPDOT),
54         KEY(3,0,KEY_BACK),
55         KEY(3,1,KEY_2),
56         KEY(3,2,KEY_5),
57         KEY(3,3,KEY_8),
58         KEY(3,4,KEY_0),
59         KEY(3,5,KEY_KPSLASH),
60         KEY(4,0,KEY_HOME),
61         KEY(4,1,KEY_1),
62         KEY(4,2,KEY_4),
63         KEY(4,3,KEY_7),
64         KEY(4,4,KEY_KPASTERISK),
65         KEY(4,5,KEY_POWER),
66         0
67 };
68
69 static struct resource smc91x_resources[] = {
70         [0] = {
71                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
72                 .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
73                 .flags  = IORESOURCE_MEM,
74         },
75         [1] = {
76                 .start  = INT_730_MPU_EXT_NIRQ,
77                 .end    = 0,
78                 .flags  = IORESOURCE_IRQ,
79         },
80 };
81
82 static struct mtd_partition nor_partitions[] = {
83         /* bootloader (U-Boot, etc) in first sector */
84         {
85               .name             = "bootloader",
86               .offset           = 0,
87               .size             = SZ_128K,
88               .mask_flags       = MTD_WRITEABLE, /* force read-only */
89         },
90         /* bootloader params in the next sector */
91         {
92               .name             = "params",
93               .offset           = MTDPART_OFS_APPEND,
94               .size             = SZ_128K,
95               .mask_flags       = 0,
96         },
97         /* kernel */
98         {
99               .name             = "kernel",
100               .offset           = MTDPART_OFS_APPEND,
101               .size             = SZ_2M,
102               .mask_flags       = 0
103         },
104         /* rest of flash is a file system */
105         {
106               .name             = "rootfs",
107               .offset           = MTDPART_OFS_APPEND,
108               .size             = MTDPART_SIZ_FULL,
109               .mask_flags       = 0
110         },
111 };
112
113 static struct flash_platform_data nor_data = {
114         .map_name       = "cfi_probe",
115         .width          = 2,
116         .parts          = nor_partitions,
117         .nr_parts       = ARRAY_SIZE(nor_partitions),
118 };
119
120 static struct resource nor_resource = {
121         .start          = OMAP_CS0_PHYS,
122         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
123         .flags          = IORESOURCE_MEM,
124 };
125
126 static struct platform_device nor_device = {
127         .name           = "omapflash",
128         .id             = 0,
129         .dev            = {
130                 .platform_data  = &nor_data,
131         },
132         .num_resources  = 1,
133         .resource       = &nor_resource,
134 };
135
136 static struct nand_platform_data nand_data = {
137         .options        = NAND_SAMSUNG_LP_OPTIONS,
138 };
139
140 static struct resource nand_resource = {
141         .start          = OMAP_CS3_PHYS,
142         .end            = OMAP_CS3_PHYS + SZ_4K - 1,
143         .flags          = IORESOURCE_MEM,
144 };
145
146 static struct platform_device nand_device = {
147         .name           = "omapnand",
148         .id             = 0,
149         .dev            = {
150                 .platform_data  = &nand_data,
151         },
152         .num_resources  = 1,
153         .resource       = &nand_resource,
154 };
155
156 static struct platform_device smc91x_device = {
157         .name           = "smc91x",
158         .id             = 0,
159         .num_resources  = ARRAY_SIZE(smc91x_resources),
160         .resource       = smc91x_resources,
161 };
162
163 static struct resource kp_resources[] = {
164         [0] = {
165                 .start  = INT_730_MPUIO_KEYPAD,
166                 .end    = INT_730_MPUIO_KEYPAD,
167                 .flags  = IORESOURCE_IRQ,
168         },
169 };
170
171 static struct omap_kp_platform_data kp_data = {
172         .rows           = 8,
173         .cols           = 8,
174         .keymap         = p2_keymap,
175         .keymapsize     = ARRAY_SIZE(p2_keymap),
176         .delay          = 4,
177         .dbounce        = 1,
178 };
179
180 static struct platform_device kp_device = {
181         .name           = "omap-keypad",
182         .id             = -1,
183         .dev            = {
184                 .platform_data = &kp_data,
185         },
186         .num_resources  = ARRAY_SIZE(kp_resources),
187         .resource       = kp_resources,
188 };
189
190 static struct platform_device lcd_device = {
191         .name           = "lcd_p2",
192         .id             = -1,
193 };
194
195 static struct platform_device *devices[] __initdata = {
196         &nor_device,
197         &nand_device,
198         &smc91x_device,
199         &kp_device,
200         &lcd_device,
201 };
202
203 #define P2_NAND_RB_GPIO_PIN     62
204
205 static int nand_dev_ready(struct nand_platform_data *data)
206 {
207         return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
208 }
209
210 static struct omap_uart_config perseus2_uart_config __initdata = {
211         .enabled_uarts = ((1 << 0) | (1 << 1)),
212 };
213
214 static struct omap_lcd_config perseus2_lcd_config __initdata = {
215         .ctrl_name      = "internal",
216 };
217
218 static struct omap_board_config_kernel perseus2_config[] = {
219         { OMAP_TAG_UART,        &perseus2_uart_config },
220         { OMAP_TAG_LCD,         &perseus2_lcd_config },
221 };
222
223 static void __init omap_perseus2_init(void)
224 {
225         if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
226                 nand_data.dev_ready = nand_dev_ready;
227
228         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
229         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
230
231         platform_add_devices(devices, ARRAY_SIZE(devices));
232
233         omap_board_config = perseus2_config;
234         omap_board_config_size = ARRAY_SIZE(perseus2_config);
235         omap_serial_init();
236 }
237
238 static void __init perseus2_init_smc91x(void)
239 {
240         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
241         mdelay(50);
242         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
243                    H2P2_DBG_FPGA_LAN_RESET);
244         mdelay(50);
245 }
246
247 static void __init omap_perseus2_init_irq(void)
248 {
249         omap1_init_common_hw();
250         omap_init_irq();
251         omap_gpio_init();
252         perseus2_init_smc91x();
253 }
254 /* Only FPGA needs to be mapped here. All others are done with ioremap */
255 static struct map_desc omap_perseus2_io_desc[] __initdata = {
256         {
257                 .virtual        = H2P2_DBG_FPGA_BASE,
258                 .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
259                 .length         = H2P2_DBG_FPGA_SIZE,
260                 .type           = MT_DEVICE
261         }
262 };
263
264 static void __init omap_perseus2_map_io(void)
265 {
266         omap1_map_common_io();
267         iotable_init(omap_perseus2_io_desc,
268                      ARRAY_SIZE(omap_perseus2_io_desc));
269
270         /* Early, board-dependent init */
271
272         /*
273          * Hold GSM Reset until needed
274          */
275         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
276
277         /*
278          * UARTs -> done automagically by 8250 driver
279          */
280
281         /*
282          * CSx timings, GPIO Mux ... setup
283          */
284
285         /* Flash: CS0 timings setup */
286         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
287         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
288
289         /*
290          * Ethernet support through the debug board
291          * CS1 timings setup
292          */
293         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
294         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
295
296         /*
297          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
298          * It is used as the Ethernet controller interrupt
299          */
300         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
301 }
302
303 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
304         /* Maintainer: Kevin Hilman <kjh@hilman.org> */
305         .phys_io        = 0xfff00000,
306         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
307         .boot_params    = 0x10000100,
308         .map_io         = omap_perseus2_map_io,
309         .init_irq       = omap_perseus2_init_irq,
310         .init_machine   = omap_perseus2_init,
311         .timer          = &omap_timer,
312 MACHINE_END