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Brian Swetland495f71d2006-06-26 16:16:03 -07001/*
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 */
Russell King2f8163b2011-07-26 10:53:52 +010013#include <linux/gpio.h>
Brian Swetland495f71d2006-06-26 16:16:03 -070014#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>
Ladislav Michl561b0362010-02-15 10:03:32 -080021#include <linux/mtd/physmap.h>
Brian Swetland495f71d2006-06-26 16:16:03 -070022#include <linux/input.h>
Ladislav Michl3bc48012009-12-11 16:16:33 -080023#include <linux/smc91x.h>
Tomi Valkeinenddba6c72011-09-20 15:23:13 +030024#include <linux/omapfb.h>
Brian Swetland495f71d2006-06-26 16:16:03 -070025
Brian Swetland495f71d2006-06-26 16:16:03 -070026#include <asm/mach-types.h>
27#include <asm/mach/arch.h>
Brian Swetland495f71d2006-06-26 16:16:03 -070028#include <asm/mach/map.h>
29
Tony Lindgren54b693d2012-10-02 13:39:28 -070030#include <mach/tc.h>
Tony Lindgren70c494c2012-09-19 10:46:56 -070031#include <mach/mux.h>
Tony Lindgren578fad42012-09-20 11:41:37 -070032#include <mach/flash.h>
Tony Lindgren4c98dc62012-10-02 12:39:09 -070033#include <../plat-omap/fpga.h>
Arnd Bergmann22037472012-08-24 15:21:06 +020034#include <linux/platform_data/keypad-omap.h>
Tony Lindgrend9558b12009-03-23 18:07:32 -070035
Tony Lindgren2e3ee9f2012-02-24 10:34:34 -080036#include <mach/hardware.h>
37
38#include "iomap.h"
39#include "common.h"
40
Tony Lindgrend9558b12009-03-23 18:07:32 -070041/* 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)
Brian Swetland495f71d2006-06-26 16:16:03 -070073
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000074static 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),
Brian Swetland495f71d2006-06-26 16:16:03 -0700103};
104
Ladislav Michl3bc48012009-12-11 16:16:33 -0800105static 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
Brian Swetland495f71d2006-06-26 16:16:03 -0700111static 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] = {
Alistair Buxton372b1c32009-09-18 04:09:39 +0100118 .start = INT_7XX_MPU_EXT_NIRQ,
Brian Swetland495f71d2006-06-26 16:16:03 -0700119 .end = 0,
Russell Kinge7b3dc72008-01-14 22:30:10 +0000120 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
Brian Swetland495f71d2006-06-26 16:16:03 -0700121 },
122};
123
Tony Lindgrenc2cdaff2010-12-07 16:26:55 -0800124static void __init fsample_init_smc91x(void)
125{
Tony Lindgren4c98dc62012-10-02 12:39:09 -0700126 __raw_writeb(1, H2P2_DBG_FPGA_LAN_RESET);
Tony Lindgrenc2cdaff2010-12-07 16:26:55 -0800127 mdelay(50);
Tony Lindgren4c98dc62012-10-02 12:39:09 -0700128 __raw_writeb(__raw_readb(H2P2_DBG_FPGA_LAN_RESET) & ~1,
Tony Lindgrenc2cdaff2010-12-07 16:26:55 -0800129 H2P2_DBG_FPGA_LAN_RESET);
130 mdelay(50);
131}
132
Brian Swetland495f71d2006-06-26 16:16:03 -0700133static 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
Ladislav Michl561b0362010-02-15 10:03:32 -0800164static struct physmap_flash_data nor_data = {
Brian Swetland495f71d2006-06-26 16:16:03 -0700165 .width = 2,
Ladislav Michl561b0362010-02-15 10:03:32 -0800166 .set_vpp = omap1_set_vpp,
Brian Swetland495f71d2006-06-26 16:16:03 -0700167 .parts = nor_partitions,
168 .nr_parts = ARRAY_SIZE(nor_partitions),
169};
170
171static struct resource nor_resource = {
172 .start = OMAP_CS0_PHYS,
173 .end = OMAP_CS0_PHYS + SZ_32M - 1,
174 .flags = IORESOURCE_MEM,
175};
176
177static struct platform_device nor_device = {
Ladislav Michl561b0362010-02-15 10:03:32 -0800178 .name = "physmap-flash",
Brian Swetland495f71d2006-06-26 16:16:03 -0700179 .id = 0,
180 .dev = {
181 .platform_data = &nor_data,
182 },
183 .num_resources = 1,
184 .resource = &nor_resource,
185};
186
Ladislav Michl414f5522009-12-11 16:16:33 -0800187#define FSAMPLE_NAND_RB_GPIO_PIN 62
188
189static int nand_dev_ready(struct mtd_info *mtd)
190{
191 return gpio_get_value(FSAMPLE_NAND_RB_GPIO_PIN);
192}
193
Ladislav Michl414f5522009-12-11 16:16:33 -0800194static struct platform_nand_data nand_data = {
195 .chip = {
196 .nr_chips = 1,
197 .chip_offset = 0,
198 .options = NAND_SAMSUNG_LP_OPTIONS,
Ladislav Michl414f5522009-12-11 16:16:33 -0800199 },
200 .ctrl = {
Paul Walmsley31cde042012-04-13 06:34:31 -0600201 .cmd_ctrl = omap1_nand_cmd_ctl,
Ladislav Michl414f5522009-12-11 16:16:33 -0800202 .dev_ready = nand_dev_ready,
203 },
Brian Swetland495f71d2006-06-26 16:16:03 -0700204};
205
206static struct resource nand_resource = {
207 .start = OMAP_CS3_PHYS,
208 .end = OMAP_CS3_PHYS + SZ_4K - 1,
209 .flags = IORESOURCE_MEM,
210};
211
212static struct platform_device nand_device = {
Ladislav Michl414f5522009-12-11 16:16:33 -0800213 .name = "gen_nand",
Brian Swetland495f71d2006-06-26 16:16:03 -0700214 .id = 0,
215 .dev = {
216 .platform_data = &nand_data,
217 },
218 .num_resources = 1,
219 .resource = &nand_resource,
220};
221
222static struct platform_device smc91x_device = {
223 .name = "smc91x",
224 .id = 0,
Ladislav Michl3bc48012009-12-11 16:16:33 -0800225 .dev = {
226 .platform_data = &smc91x_info,
227 },
Brian Swetland495f71d2006-06-26 16:16:03 -0700228 .num_resources = ARRAY_SIZE(smc91x_resources),
229 .resource = smc91x_resources,
230};
231
232static struct resource kp_resources[] = {
233 [0] = {
Alistair Buxton372b1c32009-09-18 04:09:39 +0100234 .start = INT_7XX_MPUIO_KEYPAD,
235 .end = INT_7XX_MPUIO_KEYPAD,
Brian Swetland495f71d2006-06-26 16:16:03 -0700236 .flags = IORESOURCE_IRQ,
237 },
238};
239
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +0000240static const struct matrix_keymap_data fsample_keymap_data = {
241 .keymap = fsample_keymap,
242 .keymap_size = ARRAY_SIZE(fsample_keymap),
243};
244
Brian Swetland495f71d2006-06-26 16:16:03 -0700245static struct omap_kp_platform_data kp_data = {
Komal Shah4d246072006-09-29 01:59:20 -0700246 .rows = 8,
247 .cols = 8,
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +0000248 .keymap_data = &fsample_keymap_data,
Komal Shah4d246072006-09-29 01:59:20 -0700249 .delay = 4,
Brian Swetland495f71d2006-06-26 16:16:03 -0700250};
251
252static 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
Brian Swetland495f71d2006-06-26 16:16:03 -0700262static struct platform_device *devices[] __initdata = {
263 &nor_device,
264 &nand_device,
265 &smc91x_device,
266 &kp_device,
Brian Swetland495f71d2006-06-26 16:16:03 -0700267};
268
Felipe Balbibdc58fb2011-01-27 16:39:42 -0800269static struct omap_lcd_config fsample_lcd_config = {
Brian Swetland495f71d2006-06-26 16:16:03 -0700270 .ctrl_name = "internal",
271};
272
Brian Swetland495f71d2006-06-26 16:16:03 -0700273static void __init omap_fsample_init(void)
274{
Brian Swetland495f71d2006-06-26 16:16:03 -0700275 /* Early, board-dependent init */
276
277 /*
278 * Hold GSM Reset until needed
279 */
Alistair Buxtonb51988d2009-09-22 07:34:13 +0100280 omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
Brian Swetland495f71d2006-06-26 16:16:03 -0700281
282 /*
283 * UARTs -> done automagically by 8250 driver
284 */
285
286 /*
287 * CSx timings, GPIO Mux ... setup
288 */
289
290 /* Flash: CS0 timings setup */
Alistair Buxtonb51988d2009-09-22 07:34:13 +0100291 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
292 omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
Brian Swetland495f71d2006-06-26 16:16:03 -0700293
294 /*
295 * Ethernet support through the debug board
296 * CS1 timings setup
297 */
Alistair Buxtonb51988d2009-09-22 07:34:13 +0100298 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
299 omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
Brian Swetland495f71d2006-06-26 16:16:03 -0700300
301 /*
302 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
303 * It is used as the Ethernet controller interrupt
304 */
Tony Lindgren7b88e622011-10-05 15:14:02 -0700305 omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF,
306 OMAP7XX_IO_CONF_9);
307
308 fsample_init_smc91x();
309
310 if (gpio_request(FSAMPLE_NAND_RB_GPIO_PIN, "NAND ready") < 0)
311 BUG();
312 gpio_direction_input(FSAMPLE_NAND_RB_GPIO_PIN);
313
314 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
315 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
316
317 /* Mux pins for keypad */
318 omap_cfg_reg(E2_7XX_KBR0);
319 omap_cfg_reg(J7_7XX_KBR1);
320 omap_cfg_reg(E1_7XX_KBR2);
321 omap_cfg_reg(F3_7XX_KBR3);
322 omap_cfg_reg(D2_7XX_KBR4);
323 omap_cfg_reg(C2_7XX_KBC0);
324 omap_cfg_reg(D3_7XX_KBC1);
325 omap_cfg_reg(E4_7XX_KBC2);
326 omap_cfg_reg(F4_7XX_KBC3);
327 omap_cfg_reg(E3_7XX_KBC4);
328
329 platform_add_devices(devices, ARRAY_SIZE(devices));
330
Tony Lindgren7b88e622011-10-05 15:14:02 -0700331 omap_serial_init();
332 omap_register_i2c_bus(1, 100, NULL, 0);
Tomi Valkeinenddba6c72011-09-20 15:23:13 +0300333
334 omapfb_set_lcd_config(&fsample_lcd_config);
Tony Lindgren7b88e622011-10-05 15:14:02 -0700335}
336
337/* Only FPGA needs to be mapped here. All others are done with ioremap */
338static struct map_desc omap_fsample_io_desc[] __initdata = {
339 {
340 .virtual = H2P2_DBG_FPGA_BASE,
341 .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
342 .length = H2P2_DBG_FPGA_SIZE,
343 .type = MT_DEVICE
344 },
345 {
346 .virtual = FSAMPLE_CPLD_BASE,
347 .pfn = __phys_to_pfn(FSAMPLE_CPLD_START),
348 .length = FSAMPLE_CPLD_SIZE,
349 .type = MT_DEVICE
350 }
351};
352
353static void __init omap_fsample_map_io(void)
354{
355 omap15xx_map_io();
356 iotable_init(omap_fsample_io_desc,
357 ARRAY_SIZE(omap_fsample_io_desc));
Brian Swetland495f71d2006-06-26 16:16:03 -0700358}
359
360MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
361/* Maintainer: Brian Swetland <swetland@google.com> */
Nicolas Pitre246e3892011-07-05 22:38:15 -0400362 .atag_offset = 0x100,
Brian Swetland495f71d2006-06-26 16:16:03 -0700363 .map_io = omap_fsample_map_io,
Tony Lindgren7b88e622011-10-05 15:14:02 -0700364 .init_early = omap1_init_early,
Tony Lindgren7b88e622011-10-05 15:14:02 -0700365 .init_irq = omap1_init_irq,
Brian Swetland495f71d2006-06-26 16:16:03 -0700366 .init_machine = omap_fsample_init,
Shawn Guo82c3bd02012-04-26 13:49:29 +0800367 .init_late = omap1_init_late,
Tony Lindgrene74984e2011-03-29 15:54:48 -0700368 .timer = &omap1_timer,
Russell Kingbaa95882011-11-05 17:06:28 +0000369 .restart = omap1_restart,
Brian Swetland495f71d2006-06-26 16:16:03 -0700370MACHINE_END