ARM: OMAP1: Make omap1 use MMC multislot structures
[linux-2.6] / arch / arm / mach-omap1 / board-fsample.c
1 /*
2  * linux/arch/arm/mach-omap1/board-fsample.c
3  *
4  * Modified from board-perseus2.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/nand.h>
34 #include <asm/arch/keypad.h>
35 #include <asm/arch/common.h>
36 #include <asm/arch/board.h>
37 #include <asm/arch/board-fsample.h>
38
39 static int fsample_keymap[] = {
40         KEY(0,0,KEY_UP),
41         KEY(0,1,KEY_RIGHT),
42         KEY(0,2,KEY_LEFT),
43         KEY(0,3,KEY_DOWN),
44         KEY(0,4,KEY_ENTER),
45         KEY(1,0,KEY_F10),
46         KEY(1,1,KEY_SEND),
47         KEY(1,2,KEY_END),
48         KEY(1,3,KEY_VOLUMEDOWN),
49         KEY(1,4,KEY_VOLUMEUP),
50         KEY(1,5,KEY_RECORD),
51         KEY(2,0,KEY_F9),
52         KEY(2,1,KEY_3),
53         KEY(2,2,KEY_6),
54         KEY(2,3,KEY_9),
55         KEY(2,4,KEY_KPDOT),
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_KPSLASH),
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_KPASTERISK),
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 | IORESOURCE_IRQ_HIGHEDGE,
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 omap_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         = fsample_keymap,
177         .keymapsize     = ARRAY_SIZE(fsample_keymap),
178         .delay          = 4,
179 };
180
181 static struct platform_device kp_device = {
182         .name           = "omap-keypad",
183         .id             = -1,
184         .dev            = {
185                 .platform_data = &kp_data,
186         },
187         .num_resources  = ARRAY_SIZE(kp_resources),
188         .resource       = kp_resources,
189 };
190
191 static struct platform_device lcd_device = {
192         .name           = "lcd_p2",
193         .id             = -1,
194 };
195
196 static struct platform_device *devices[] __initdata = {
197         &nor_device,
198         &nand_device,
199         &smc91x_device,
200         &kp_device,
201         &lcd_device,
202 };
203
204 #define P2_NAND_RB_GPIO_PIN     62
205
206 static int nand_dev_ready(struct omap_nand_platform_data *data)
207 {
208         return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
209 }
210
211 static struct omap_uart_config fsample_uart_config __initdata = {
212         .enabled_uarts = ((1 << 0) | (1 << 1)),
213 };
214
215 static struct omap_lcd_config fsample_lcd_config __initdata = {
216         .ctrl_name      = "internal",
217 };
218
219 static struct omap_board_config_kernel fsample_config[] = {
220         { OMAP_TAG_UART,        &fsample_uart_config },
221         { OMAP_TAG_LCD,         &fsample_lcd_config },
222 };
223
224 static void __init omap_fsample_init(void)
225 {
226         if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
227                 nand_data.dev_ready = nand_dev_ready;
228
229         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
230         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
231
232         platform_add_devices(devices, ARRAY_SIZE(devices));
233
234         omap_board_config = fsample_config;
235         omap_board_config_size = ARRAY_SIZE(fsample_config);
236         omap_serial_init();
237 }
238
239 static void __init fsample_init_smc91x(void)
240 {
241         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
242         mdelay(50);
243         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
244                    H2P2_DBG_FPGA_LAN_RESET);
245         mdelay(50);
246 }
247
248 static void __init omap_fsample_init_irq(void)
249 {
250         omap1_init_common_hw();
251         omap_init_irq();
252         omap_gpio_init();
253         fsample_init_smc91x();
254 }
255
256 /* Only FPGA needs to be mapped here. All others are done with ioremap */
257 static struct map_desc omap_fsample_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                 .virtual        = FSAMPLE_CPLD_BASE,
266                 .pfn            = __phys_to_pfn(FSAMPLE_CPLD_START),
267                 .length         = FSAMPLE_CPLD_SIZE,
268                 .type           = MT_DEVICE
269         }
270 };
271
272 static void __init omap_fsample_map_io(void)
273 {
274         omap1_map_common_io();
275         iotable_init(omap_fsample_io_desc,
276                      ARRAY_SIZE(omap_fsample_io_desc));
277
278         /* Early, board-dependent init */
279
280         /*
281          * Hold GSM Reset until needed
282          */
283         omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
284
285         /*
286          * UARTs -> done automagically by 8250 driver
287          */
288
289         /*
290          * CSx timings, GPIO Mux ... setup
291          */
292
293         /* Flash: CS0 timings setup */
294         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
295         omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
296
297         /*
298          * Ethernet support through the debug board
299          * CS1 timings setup
300          */
301         omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
302         omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
303
304         /*
305          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
306          * It is used as the Ethernet controller interrupt
307          */
308         omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
309 }
310
311 MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
312 /* Maintainer: Brian Swetland <swetland@google.com> */
313         .phys_io        = 0xfff00000,
314         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
315         .boot_params    = 0x10000100,
316         .map_io         = omap_fsample_map_io,
317         .init_irq       = omap_fsample_init_irq,
318         .init_machine   = omap_fsample_init,
319         .timer          = &omap_timer,
320 MACHINE_END