Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[linux-3.10.git] / 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 #include <linux/gpio.h>
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/mtd/physmap.h>
22 #include <linux/input.h>
23 #include <linux/smc91x.h>
24 #include <linux/omapfb.h>
25
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29
30 #include <mach/tc.h>
31 #include <mach/mux.h>
32 #include <mach/flash.h>
33 #include <linux/platform_data/keypad-omap.h>
34
35 #include <mach/hardware.h>
36
37 #include "iomap.h"
38 #include "common.h"
39 #include "fpga.h"
40
41 /* fsample is pretty close to p2-sample */
42
43 #define fsample_cpld_read(reg) __raw_readb(reg)
44 #define fsample_cpld_write(val, reg) __raw_writeb(val, reg)
45
46 #define FSAMPLE_CPLD_BASE    0xE8100000
47 #define FSAMPLE_CPLD_SIZE    SZ_4K
48 #define FSAMPLE_CPLD_START   0x05080000
49
50 #define FSAMPLE_CPLD_REG_A   (FSAMPLE_CPLD_BASE + 0x00)
51 #define FSAMPLE_CPLD_SWITCH  (FSAMPLE_CPLD_BASE + 0x02)
52 #define FSAMPLE_CPLD_UART    (FSAMPLE_CPLD_BASE + 0x02)
53 #define FSAMPLE_CPLD_REG_B   (FSAMPLE_CPLD_BASE + 0x04)
54 #define FSAMPLE_CPLD_VERSION (FSAMPLE_CPLD_BASE + 0x06)
55 #define FSAMPLE_CPLD_SET_CLR (FSAMPLE_CPLD_BASE + 0x06)
56
57 #define FSAMPLE_CPLD_BIT_BT_RESET         0
58 #define FSAMPLE_CPLD_BIT_LCD_RESET        1
59 #define FSAMPLE_CPLD_BIT_CAM_PWDN         2
60 #define FSAMPLE_CPLD_BIT_CHARGER_ENABLE   3
61 #define FSAMPLE_CPLD_BIT_SD_MMC_EN        4
62 #define FSAMPLE_CPLD_BIT_aGPS_PWREN       5
63 #define FSAMPLE_CPLD_BIT_BACKLIGHT        6
64 #define FSAMPLE_CPLD_BIT_aGPS_EN_RESET    7
65 #define FSAMPLE_CPLD_BIT_aGPS_SLEEPx_N    8
66 #define FSAMPLE_CPLD_BIT_OTG_RESET        9
67
68 #define fsample_cpld_set(bit) \
69     fsample_cpld_write((((bit) & 15) << 4) | 0x0f, FSAMPLE_CPLD_SET_CLR)
70
71 #define fsample_cpld_clear(bit) \
72     fsample_cpld_write(0xf0 | ((bit) & 15), FSAMPLE_CPLD_SET_CLR)
73
74 static const unsigned int fsample_keymap[] = {
75         KEY(0, 0, KEY_UP),
76         KEY(1, 0, KEY_RIGHT),
77         KEY(2, 0, KEY_LEFT),
78         KEY(3, 0, KEY_DOWN),
79         KEY(4, 0, KEY_ENTER),
80         KEY(0, 1, KEY_F10),
81         KEY(1, 1, KEY_SEND),
82         KEY(2, 1, KEY_END),
83         KEY(3, 1, KEY_VOLUMEDOWN),
84         KEY(4, 1, KEY_VOLUMEUP),
85         KEY(5, 1, KEY_RECORD),
86         KEY(0, 2, KEY_F9),
87         KEY(1, 2, KEY_3),
88         KEY(2, 2, KEY_6),
89         KEY(3, 2, KEY_9),
90         KEY(4, 2, KEY_KPDOT),
91         KEY(0, 3, KEY_BACK),
92         KEY(1, 3, KEY_2),
93         KEY(2, 3, KEY_5),
94         KEY(3, 3, KEY_8),
95         KEY(4, 3, KEY_0),
96         KEY(5, 3, KEY_KPSLASH),
97         KEY(0, 4, KEY_HOME),
98         KEY(1, 4, KEY_1),
99         KEY(2, 4, KEY_4),
100         KEY(3, 4, KEY_7),
101         KEY(4, 4, KEY_KPASTERISK),
102         KEY(5, 4, KEY_POWER),
103 };
104
105 static struct smc91x_platdata smc91x_info = {
106         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
107         .leda   = RPC_LED_100_10,
108         .ledb   = RPC_LED_TX_RX,
109 };
110
111 static struct resource smc91x_resources[] = {
112         [0] = {
113                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
114                 .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
115                 .flags  = IORESOURCE_MEM,
116         },
117         [1] = {
118                 .start  = INT_7XX_MPU_EXT_NIRQ,
119                 .end    = 0,
120                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
121         },
122 };
123
124 static void __init fsample_init_smc91x(void)
125 {
126         __raw_writeb(1, H2P2_DBG_FPGA_LAN_RESET);
127         mdelay(50);
128         __raw_writeb(__raw_readb(H2P2_DBG_FPGA_LAN_RESET) & ~1,
129                    H2P2_DBG_FPGA_LAN_RESET);
130         mdelay(50);
131 }
132
133 static struct mtd_partition nor_partitions[] = {
134         /* bootloader (U-Boot, etc) in first sector */
135         {
136               .name             = "bootloader",
137               .offset           = 0,
138               .size             = SZ_128K,
139               .mask_flags       = MTD_WRITEABLE, /* force read-only */
140         },
141         /* bootloader params in the next sector */
142         {
143               .name             = "params",
144               .offset           = MTDPART_OFS_APPEND,
145               .size             = SZ_128K,
146               .mask_flags       = 0,
147         },
148         /* kernel */
149         {
150               .name             = "kernel",
151               .offset           = MTDPART_OFS_APPEND,
152               .size             = SZ_2M,
153               .mask_flags       = 0
154         },
155         /* rest of flash is a file system */
156         {
157               .name             = "rootfs",
158               .offset           = MTDPART_OFS_APPEND,
159               .size             = MTDPART_SIZ_FULL,
160               .mask_flags       = 0
161         },
162 };
163
164 static struct physmap_flash_data nor_data = {
165         .width          = 2,
166         .set_vpp        = omap1_set_vpp,
167         .parts          = nor_partitions,
168         .nr_parts       = ARRAY_SIZE(nor_partitions),
169 };
170
171 static struct resource nor_resource = {
172         .start          = OMAP_CS0_PHYS,
173         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
174         .flags          = IORESOURCE_MEM,
175 };
176
177 static struct platform_device nor_device = {
178         .name           = "physmap-flash",
179         .id             = 0,
180         .dev            = {
181                 .platform_data  = &nor_data,
182         },
183         .num_resources  = 1,
184         .resource       = &nor_resource,
185 };
186
187 #define FSAMPLE_NAND_RB_GPIO_PIN        62
188
189 static int nand_dev_ready(struct mtd_info *mtd)
190 {
191         return gpio_get_value(FSAMPLE_NAND_RB_GPIO_PIN);
192 }
193
194 static struct platform_nand_data nand_data = {
195         .chip   = {
196                 .nr_chips               = 1,
197                 .chip_offset            = 0,
198                 .options                = NAND_SAMSUNG_LP_OPTIONS,
199         },
200         .ctrl   = {
201                 .cmd_ctrl       = omap1_nand_cmd_ctl,
202                 .dev_ready      = nand_dev_ready,
203         },
204 };
205
206 static struct resource nand_resource = {
207         .start          = OMAP_CS3_PHYS,
208         .end            = OMAP_CS3_PHYS + SZ_4K - 1,
209         .flags          = IORESOURCE_MEM,
210 };
211
212 static struct platform_device nand_device = {
213         .name           = "gen_nand",
214         .id             = 0,
215         .dev            = {
216                 .platform_data  = &nand_data,
217         },
218         .num_resources  = 1,
219         .resource       = &nand_resource,
220 };
221
222 static struct platform_device smc91x_device = {
223         .name           = "smc91x",
224         .id             = 0,
225         .dev    = {
226                 .platform_data  = &smc91x_info,
227         },
228         .num_resources  = ARRAY_SIZE(smc91x_resources),
229         .resource       = smc91x_resources,
230 };
231
232 static struct resource kp_resources[] = {
233         [0] = {
234                 .start  = INT_7XX_MPUIO_KEYPAD,
235                 .end    = INT_7XX_MPUIO_KEYPAD,
236                 .flags  = IORESOURCE_IRQ,
237         },
238 };
239
240 static const struct matrix_keymap_data fsample_keymap_data = {
241         .keymap         = fsample_keymap,
242         .keymap_size    = ARRAY_SIZE(fsample_keymap),
243 };
244
245 static struct omap_kp_platform_data kp_data = {
246         .rows           = 8,
247         .cols           = 8,
248         .keymap_data    = &fsample_keymap_data,
249         .delay          = 4,
250 };
251
252 static struct platform_device kp_device = {
253         .name           = "omap-keypad",
254         .id             = -1,
255         .dev            = {
256                 .platform_data = &kp_data,
257         },
258         .num_resources  = ARRAY_SIZE(kp_resources),
259         .resource       = kp_resources,
260 };
261
262 static struct platform_device *devices[] __initdata = {
263         &nor_device,
264         &nand_device,
265         &smc91x_device,
266         &kp_device,
267 };
268
269 static struct omap_lcd_config fsample_lcd_config = {
270         .ctrl_name      = "internal",
271 };
272
273 static void __init omap_fsample_init(void)
274 {
275         /* Early, board-dependent init */
276
277         /*
278          * Hold GSM Reset until needed
279          */
280         omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
281
282         /*
283          * UARTs -> done automagically by 8250 driver
284          */
285
286         /*
287          * CSx timings, GPIO Mux ... setup
288          */
289
290         /* Flash: CS0 timings setup */
291         omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
292         omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
293
294         /*
295          * Ethernet support through the debug board
296          * CS1 timings setup
297          */
298         omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
299         omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
300
301         /*
302          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
303          * It is used as the Ethernet controller interrupt
304          */
305         omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF,
306                         OMAP7XX_IO_CONF_9);
307
308         fsample_init_smc91x();
309
310         BUG_ON(gpio_request(FSAMPLE_NAND_RB_GPIO_PIN, "NAND ready") < 0);
311         gpio_direction_input(FSAMPLE_NAND_RB_GPIO_PIN);
312
313         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
314         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
315
316         /* Mux pins for keypad */
317         omap_cfg_reg(E2_7XX_KBR0);
318         omap_cfg_reg(J7_7XX_KBR1);
319         omap_cfg_reg(E1_7XX_KBR2);
320         omap_cfg_reg(F3_7XX_KBR3);
321         omap_cfg_reg(D2_7XX_KBR4);
322         omap_cfg_reg(C2_7XX_KBC0);
323         omap_cfg_reg(D3_7XX_KBC1);
324         omap_cfg_reg(E4_7XX_KBC2);
325         omap_cfg_reg(F4_7XX_KBC3);
326         omap_cfg_reg(E3_7XX_KBC4);
327
328         platform_add_devices(devices, ARRAY_SIZE(devices));
329
330         omap_serial_init();
331         omap_register_i2c_bus(1, 100, NULL, 0);
332
333         omapfb_set_lcd_config(&fsample_lcd_config);
334 }
335
336 /* Only FPGA needs to be mapped here. All others are done with ioremap */
337 static struct map_desc omap_fsample_io_desc[] __initdata = {
338         {
339                 .virtual        = H2P2_DBG_FPGA_BASE,
340                 .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
341                 .length         = H2P2_DBG_FPGA_SIZE,
342                 .type           = MT_DEVICE
343         },
344         {
345                 .virtual        = FSAMPLE_CPLD_BASE,
346                 .pfn            = __phys_to_pfn(FSAMPLE_CPLD_START),
347                 .length         = FSAMPLE_CPLD_SIZE,
348                 .type           = MT_DEVICE
349         }
350 };
351
352 static void __init omap_fsample_map_io(void)
353 {
354         omap15xx_map_io();
355         iotable_init(omap_fsample_io_desc,
356                      ARRAY_SIZE(omap_fsample_io_desc));
357 }
358
359 MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
360 /* Maintainer: Brian Swetland <swetland@google.com> */
361         .atag_offset    = 0x100,
362         .map_io         = omap_fsample_map_io,
363         .init_early     = omap1_init_early,
364         .init_irq       = omap1_init_irq,
365         .init_machine   = omap_fsample_init,
366         .init_late      = omap1_init_late,
367         .timer          = &omap1_timer,
368         .restart        = omap1_restart,
369 MACHINE_END