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1dbae815 | 1 | /* |
f30c2269 | 2 | * linux/arch/arm/mach-omap2/board-h4.c |
1dbae815 TL |
3 | * |
4 | * Copyright (C) 2005 Nokia Corporation | |
5 | * Author: Paul Mundt <paul.mundt@nokia.com> | |
6 | * | |
7 | * Modified from mach-omap/omap1/board-generic.c | |
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 | */ | |
2f8163ba | 13 | #include <linux/gpio.h> |
1dbae815 TL |
14 | #include <linux/kernel.h> |
15 | #include <linux/init.h> | |
16 | #include <linux/platform_device.h> | |
17 | #include <linux/mtd/mtd.h> | |
18 | #include <linux/mtd/partitions.h> | |
561b036a | 19 | #include <linux/mtd/physmap.h> |
1dbae815 | 20 | #include <linux/delay.h> |
9b6553cd | 21 | #include <linux/workqueue.h> |
9df013b3 | 22 | #include <linux/i2c.h> |
25f73ed5 | 23 | #include <linux/platform_data/at24.h> |
9b6553cd | 24 | #include <linux/input.h> |
44595982 PW |
25 | #include <linux/err.h> |
26 | #include <linux/clk.h> | |
fced80c7 | 27 | #include <linux/io.h> |
41eb2d81 | 28 | #include <linux/input/matrix_keypad.h> |
7bd3b618 | 29 | #include <linux/mfd/menelaus.h> |
86c35960 | 30 | #include <linux/omap-dma.h> |
1dbae815 | 31 | |
1dbae815 TL |
32 | #include <asm/mach-types.h> |
33 | #include <asm/mach/arch.h> | |
34 | #include <asm/mach/map.h> | |
1dbae815 | 35 | |
cbf1455b | 36 | #include <video/omapdss.h> |
a0d8dde9 | 37 | #include <video/omap-panel-data.h> |
cbf1455b | 38 | |
dbc04161 | 39 | #include "common.h" |
23275d45 | 40 | #include "mux.h" |
4814ced5 | 41 | #include "control.h" |
3ef5d007 | 42 | #include "gpmc.h" |
86c35960 | 43 | #include "gpmc-smc91x.h" |
23275d45 | 44 | |
44595982 | 45 | #define H4_FLASH_CS 0 |
40662d77 | 46 | |
41eb2d81 TL |
47 | #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) |
48 | static const uint32_t board_matrix_keys[] = { | |
9b6553cd | 49 | KEY(0, 0, KEY_LEFT), |
da1f026b JK |
50 | KEY(1, 0, KEY_RIGHT), |
51 | KEY(2, 0, KEY_A), | |
52 | KEY(3, 0, KEY_B), | |
53 | KEY(4, 0, KEY_C), | |
54 | KEY(0, 1, KEY_DOWN), | |
9b6553cd | 55 | KEY(1, 1, KEY_UP), |
da1f026b JK |
56 | KEY(2, 1, KEY_E), |
57 | KEY(3, 1, KEY_F), | |
58 | KEY(4, 1, KEY_G), | |
59 | KEY(0, 2, KEY_ENTER), | |
60 | KEY(1, 2, KEY_I), | |
9b6553cd | 61 | KEY(2, 2, KEY_J), |
da1f026b JK |
62 | KEY(3, 2, KEY_K), |
63 | KEY(4, 2, KEY_3), | |
64 | KEY(0, 3, KEY_M), | |
65 | KEY(1, 3, KEY_N), | |
66 | KEY(2, 3, KEY_O), | |
9b6553cd | 67 | KEY(3, 3, KEY_P), |
da1f026b JK |
68 | KEY(4, 3, KEY_Q), |
69 | KEY(0, 4, KEY_R), | |
70 | KEY(1, 4, KEY_4), | |
71 | KEY(2, 4, KEY_T), | |
72 | KEY(3, 4, KEY_U), | |
9b6553cd | 73 | KEY(4, 4, KEY_ENTER), |
da1f026b JK |
74 | KEY(0, 5, KEY_V), |
75 | KEY(1, 5, KEY_W), | |
76 | KEY(2, 5, KEY_L), | |
77 | KEY(3, 5, KEY_S), | |
78 | KEY(4, 5, KEY_ENTER), | |
9b6553cd TL |
79 | }; |
80 | ||
41eb2d81 TL |
81 | static const struct matrix_keymap_data board_keymap_data = { |
82 | .keymap = board_matrix_keys, | |
83 | .keymap_size = ARRAY_SIZE(board_matrix_keys), | |
84 | }; | |
85 | ||
86 | static unsigned int board_keypad_row_gpios[] = { | |
87 | 88, 89, 124, 11, 6, 96 | |
88 | }; | |
89 | ||
90 | static unsigned int board_keypad_col_gpios[] = { | |
91 | 90, 91, 100, 36, 12, 97, 98 | |
92 | }; | |
93 | ||
94 | static struct matrix_keypad_platform_data board_keypad_platform_data = { | |
95 | .keymap_data = &board_keymap_data, | |
96 | .row_gpios = board_keypad_row_gpios, | |
97 | .num_row_gpios = ARRAY_SIZE(board_keypad_row_gpios), | |
98 | .col_gpios = board_keypad_col_gpios, | |
99 | .num_col_gpios = ARRAY_SIZE(board_keypad_col_gpios), | |
100 | .active_low = 1, | |
101 | ||
102 | .debounce_ms = 20, | |
103 | .col_scan_delay_us = 5, | |
104 | }; | |
105 | ||
106 | static struct platform_device board_keyboard = { | |
107 | .name = "matrix-keypad", | |
108 | .id = -1, | |
109 | .dev = { | |
110 | .platform_data = &board_keypad_platform_data, | |
111 | }, | |
112 | }; | |
113 | static void __init board_mkp_init(void) | |
114 | { | |
115 | omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP); | |
116 | omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP); | |
117 | omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP); | |
118 | omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP); | |
119 | if (omap_has_menelaus()) { | |
120 | omap_mux_init_signal("sdrc_a14.gpio0", | |
121 | OMAP_PULL_ENA | OMAP_PULL_UP); | |
122 | omap_mux_init_signal("vlynq_rx0.gpio_15", 0); | |
123 | omap_mux_init_signal("gpio_98", 0); | |
124 | board_keypad_row_gpios[5] = 0; | |
125 | board_keypad_col_gpios[2] = 15; | |
126 | board_keypad_col_gpios[6] = 18; | |
127 | } else { | |
128 | omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP); | |
129 | omap_mux_init_signal("gpio_100", 0); | |
130 | omap_mux_init_signal("gpio_98", 0); | |
131 | } | |
132 | omap_mux_init_signal("gpio_90", 0); | |
133 | omap_mux_init_signal("gpio_91", 0); | |
134 | omap_mux_init_signal("gpio_36", 0); | |
135 | omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0); | |
136 | omap_mux_init_signal("gpio_97", 0); | |
137 | ||
138 | platform_device_register(&board_keyboard); | |
139 | } | |
140 | #else | |
141 | static inline void board_mkp_init(void) | |
142 | { | |
143 | } | |
144 | #endif | |
145 | ||
1dbae815 TL |
146 | static struct mtd_partition h4_partitions[] = { |
147 | /* bootloader (U-Boot, etc) in first sector */ | |
148 | { | |
149 | .name = "bootloader", | |
150 | .offset = 0, | |
151 | .size = SZ_128K, | |
152 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
153 | }, | |
154 | /* bootloader params in the next sector */ | |
155 | { | |
156 | .name = "params", | |
157 | .offset = MTDPART_OFS_APPEND, | |
158 | .size = SZ_128K, | |
159 | .mask_flags = 0, | |
160 | }, | |
161 | /* kernel */ | |
162 | { | |
163 | .name = "kernel", | |
164 | .offset = MTDPART_OFS_APPEND, | |
165 | .size = SZ_2M, | |
166 | .mask_flags = 0 | |
167 | }, | |
168 | /* file system */ | |
169 | { | |
170 | .name = "filesystem", | |
171 | .offset = MTDPART_OFS_APPEND, | |
172 | .size = MTDPART_SIZ_FULL, | |
173 | .mask_flags = 0 | |
174 | } | |
175 | }; | |
176 | ||
561b036a | 177 | static struct physmap_flash_data h4_flash_data = { |
1dbae815 TL |
178 | .width = 2, |
179 | .parts = h4_partitions, | |
180 | .nr_parts = ARRAY_SIZE(h4_partitions), | |
181 | }; | |
182 | ||
183 | static struct resource h4_flash_resource = { | |
1dbae815 TL |
184 | .flags = IORESOURCE_MEM, |
185 | }; | |
186 | ||
187 | static struct platform_device h4_flash_device = { | |
561b036a | 188 | .name = "physmap-flash", |
1dbae815 TL |
189 | .id = 0, |
190 | .dev = { | |
191 | .platform_data = &h4_flash_data, | |
192 | }, | |
193 | .num_resources = 1, | |
194 | .resource = &h4_flash_resource, | |
195 | }; | |
196 | ||
6970c01e TV |
197 | static const struct display_timing cm_t35_lcd_videomode = { |
198 | .pixelclock = { 0, 6250000, 0 }, | |
199 | ||
200 | .hactive = { 0, 240, 0 }, | |
201 | .hfront_porch = { 0, 15, 0 }, | |
202 | .hback_porch = { 0, 60, 0 }, | |
203 | .hsync_len = { 0, 15, 0 }, | |
204 | ||
205 | .vactive = { 0, 320, 0 }, | |
206 | .vfront_porch = { 0, 1, 0 }, | |
207 | .vback_porch = { 0, 1, 0 }, | |
208 | .vsync_len = { 0, 1, 0 }, | |
209 | ||
210 | .flags = DISPLAY_FLAGS_HSYNC_HIGH | DISPLAY_FLAGS_VSYNC_HIGH | | |
211 | DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE, | |
cbf1455b TV |
212 | }; |
213 | ||
6970c01e TV |
214 | static struct panel_dpi_platform_data cm_t35_lcd_pdata = { |
215 | .name = "lcd", | |
216 | .source = "dpi.0", | |
217 | ||
218 | .data_lines = 16, | |
219 | ||
220 | .display_timing = &cm_t35_lcd_videomode, | |
221 | ||
222 | .enable_gpio = -1, | |
223 | .backlight_gpio = -1, | |
cbf1455b TV |
224 | }; |
225 | ||
6970c01e TV |
226 | static struct platform_device cm_t35_lcd_device = { |
227 | .name = "panel-dpi", | |
228 | .id = 0, | |
229 | .dev.platform_data = &cm_t35_lcd_pdata, | |
cbf1455b TV |
230 | }; |
231 | ||
6970c01e TV |
232 | static struct platform_device *h4_devices[] __initdata = { |
233 | &h4_flash_device, | |
234 | &cm_t35_lcd_device, | |
1dbae815 TL |
235 | }; |
236 | ||
cbf1455b | 237 | static struct omap_dss_board_info h4_dss_data = { |
6970c01e | 238 | .default_display_name = "lcd", |
cbf1455b TV |
239 | }; |
240 | ||
44595982 PW |
241 | /* 2420 Sysboot setup (2430 is different) */ |
242 | static u32 get_sysboot_value(void) | |
243 | { | |
244 | return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) & | |
245 | (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK | | |
246 | OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK | | |
247 | OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK)); | |
248 | } | |
249 | ||
250 | /* H4-2420's always used muxed mode, H4-2422's always use non-muxed | |
251 | * | |
252 | * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423 | |
253 | * correctly. The macro needs to look at production_id not just hawkeye. | |
254 | */ | |
255 | static u32 is_gpmc_muxed(void) | |
256 | { | |
257 | u32 mux; | |
258 | mux = get_sysboot_value(); | |
259 | if ((mux & 0xF) == 0xd) | |
260 | return 1; /* NAND config (could be either) */ | |
261 | if (mux & 0x2) /* if mux'ed */ | |
262 | return 1; | |
263 | else | |
264 | return 0; | |
265 | } | |
266 | ||
5b6513d2 | 267 | #if IS_ENABLED(CONFIG_SMC91X) |
44595982 | 268 | |
86c35960 JH |
269 | static struct omap_smc91x_platform_data board_smc91x_data = { |
270 | .cs = 1, | |
271 | .gpio_irq = 92, | |
272 | .flags = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_LOWLEVEL, | |
273 | }; | |
44595982 | 274 | |
86c35960 JH |
275 | static void __init board_smc91x_init(void) |
276 | { | |
44595982 | 277 | if (is_gpmc_muxed()) |
86c35960 | 278 | board_smc91x_data.flags |= GPMC_MUX_ADD_DATA; |
44595982 | 279 | |
86c35960 JH |
280 | omap_mux_init_gpio(board_smc91x_data.gpio_irq, OMAP_PIN_INPUT); |
281 | gpmc_smc91x_init(&board_smc91x_data); | |
282 | } | |
1dbae815 | 283 | |
86c35960 | 284 | #else |
44595982 | 285 | |
86c35960 JH |
286 | static inline void board_smc91x_init(void) |
287 | { | |
44595982 PW |
288 | } |
289 | ||
86c35960 JH |
290 | #endif |
291 | ||
44595982 PW |
292 | static void __init h4_init_flash(void) |
293 | { | |
294 | unsigned long base; | |
295 | ||
296 | if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) { | |
297 | printk("Can't request GPMC CS for flash\n"); | |
298 | return; | |
299 | } | |
300 | h4_flash_resource.start = base; | |
301 | h4_flash_resource.end = base + SZ_64M - 1; | |
1dbae815 TL |
302 | } |
303 | ||
6a769ed4 DB |
304 | static struct at24_platform_data m24c01 = { |
305 | .byte_len = SZ_1K / 8, | |
306 | .page_size = 16, | |
307 | }; | |
308 | ||
9df013b3 JD |
309 | static struct i2c_board_info __initdata h4_i2c_board_info[] = { |
310 | { | |
311 | I2C_BOARD_INFO("isp1301_omap", 0x2d), | |
9df013b3 | 312 | }, |
6a769ed4 DB |
313 | { /* EEPROM on mainboard */ |
314 | I2C_BOARD_INFO("24c01", 0x52), | |
315 | .platform_data = &m24c01, | |
316 | }, | |
317 | { /* EEPROM on cpu card */ | |
318 | I2C_BOARD_INFO("24c01", 0x57), | |
319 | .platform_data = &m24c01, | |
320 | }, | |
9df013b3 JD |
321 | }; |
322 | ||
23275d45 TL |
323 | #ifdef CONFIG_OMAP_MUX |
324 | static struct omap_board_mux board_mux[] __initdata = { | |
325 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
326 | }; | |
23275d45 TL |
327 | #endif |
328 | ||
1dbae815 TL |
329 | static void __init omap_h4_init(void) |
330 | { | |
23275d45 TL |
331 | omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF); |
332 | ||
1dbae815 TL |
333 | /* |
334 | * Make sure the serial ports are muxed on at this point. | |
335 | * You have to mux them off in device drivers later on | |
336 | * if not needed. | |
337 | */ | |
9b6553cd | 338 | |
41eb2d81 | 339 | board_mkp_init(); |
46a0a540 | 340 | h4_i2c_board_info[0].irq = gpio_to_irq(125); |
9df013b3 JD |
341 | i2c_register_board_info(1, h4_i2c_board_info, |
342 | ARRAY_SIZE(h4_i2c_board_info)); | |
343 | ||
1dbae815 | 344 | platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); |
1dbae815 | 345 | omap_serial_init(); |
a4ca9dbe | 346 | omap_sdrc_init(NULL, NULL); |
42924355 | 347 | h4_init_flash(); |
86c35960 | 348 | board_smc91x_init(); |
cbf1455b TV |
349 | |
350 | omap_display_init(&h4_dss_data); | |
1dbae815 TL |
351 | } |
352 | ||
1dbae815 TL |
353 | MACHINE_START(OMAP_H4, "OMAP2420 H4 board") |
354 | /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ | |
5e52b435 | 355 | .atag_offset = 0x100, |
71ee7dad | 356 | .reserve = omap_reserve, |
e990a406 | 357 | .map_io = omap242x_map_io, |
8f5b5a41 | 358 | .init_early = omap2420_init_early, |
be732460 | 359 | .init_irq = omap2_init_irq, |
6b2f55d7 | 360 | .handle_irq = omap2_intc_handle_irq, |
1dbae815 | 361 | .init_machine = omap_h4_init, |
bbd707ac | 362 | .init_late = omap2420_init_late, |
6bb27d73 | 363 | .init_time = omap2_sync32k_timer_init, |
187e3e06 | 364 | .restart = omap2xxx_restart, |
1dbae815 | 365 | MACHINE_END |