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
fsample_init_smc91x(void)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
nand_dev_ready(struct mtd_info * mtd)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
omap_fsample_init(void)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
omap_fsample_map_io(void)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 .handle_irq = omap1_handle_irq,
366 .init_machine = omap_fsample_init,
367 .init_late = omap1_init_late,
368 .init_time = omap1_timer_init,
369 .restart = omap1_restart,
370 MACHINE_END
371