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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 | */ | |
13 | ||
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> |
6a769ed4 | 23 | #include <linux/i2c/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> |
1dbae815 | 28 | |
a09e64fb | 29 | #include <mach/hardware.h> |
1dbae815 TL |
30 | #include <asm/mach-types.h> |
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/map.h> | |
1dbae815 | 33 | |
a09e64fb | 34 | #include <mach/gpio.h> |
ce491cf8 TL |
35 | #include <plat/usb.h> |
36 | #include <plat/board.h> | |
37 | #include <plat/common.h> | |
38 | #include <plat/keypad.h> | |
39 | #include <plat/menelaus.h> | |
40 | #include <plat/dma.h> | |
41 | #include <plat/gpmc.h> | |
1dbae815 | 42 | |
23275d45 | 43 | #include "mux.h" |
4814ced5 | 44 | #include "control.h" |
23275d45 | 45 | |
44595982 PW |
46 | #define H4_FLASH_CS 0 |
47 | #define H4_SMC91X_CS 1 | |
48 | ||
40662d77 TL |
49 | #define H4_ETHR_GPIO_IRQ 92 |
50 | ||
9b6553cd TL |
51 | static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 }; |
52 | static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 }; | |
53 | ||
da1f026b | 54 | static const unsigned int h4_keymap[] = { |
9b6553cd | 55 | KEY(0, 0, KEY_LEFT), |
da1f026b JK |
56 | KEY(1, 0, KEY_RIGHT), |
57 | KEY(2, 0, KEY_A), | |
58 | KEY(3, 0, KEY_B), | |
59 | KEY(4, 0, KEY_C), | |
60 | KEY(0, 1, KEY_DOWN), | |
9b6553cd | 61 | KEY(1, 1, KEY_UP), |
da1f026b JK |
62 | KEY(2, 1, KEY_E), |
63 | KEY(3, 1, KEY_F), | |
64 | KEY(4, 1, KEY_G), | |
65 | KEY(0, 2, KEY_ENTER), | |
66 | KEY(1, 2, KEY_I), | |
9b6553cd | 67 | KEY(2, 2, KEY_J), |
da1f026b JK |
68 | KEY(3, 2, KEY_K), |
69 | KEY(4, 2, KEY_3), | |
70 | KEY(0, 3, KEY_M), | |
71 | KEY(1, 3, KEY_N), | |
72 | KEY(2, 3, KEY_O), | |
9b6553cd | 73 | KEY(3, 3, KEY_P), |
da1f026b JK |
74 | KEY(4, 3, KEY_Q), |
75 | KEY(0, 4, KEY_R), | |
76 | KEY(1, 4, KEY_4), | |
77 | KEY(2, 4, KEY_T), | |
78 | KEY(3, 4, KEY_U), | |
9b6553cd | 79 | KEY(4, 4, KEY_ENTER), |
da1f026b JK |
80 | KEY(0, 5, KEY_V), |
81 | KEY(1, 5, KEY_W), | |
82 | KEY(2, 5, KEY_L), | |
83 | KEY(3, 5, KEY_S), | |
84 | KEY(4, 5, KEY_ENTER), | |
9b6553cd TL |
85 | }; |
86 | ||
1dbae815 TL |
87 | static struct mtd_partition h4_partitions[] = { |
88 | /* bootloader (U-Boot, etc) in first sector */ | |
89 | { | |
90 | .name = "bootloader", | |
91 | .offset = 0, | |
92 | .size = SZ_128K, | |
93 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
94 | }, | |
95 | /* bootloader params in the next sector */ | |
96 | { | |
97 | .name = "params", | |
98 | .offset = MTDPART_OFS_APPEND, | |
99 | .size = SZ_128K, | |
100 | .mask_flags = 0, | |
101 | }, | |
102 | /* kernel */ | |
103 | { | |
104 | .name = "kernel", | |
105 | .offset = MTDPART_OFS_APPEND, | |
106 | .size = SZ_2M, | |
107 | .mask_flags = 0 | |
108 | }, | |
109 | /* file system */ | |
110 | { | |
111 | .name = "filesystem", | |
112 | .offset = MTDPART_OFS_APPEND, | |
113 | .size = MTDPART_SIZ_FULL, | |
114 | .mask_flags = 0 | |
115 | } | |
116 | }; | |
117 | ||
561b036a | 118 | static struct physmap_flash_data h4_flash_data = { |
1dbae815 TL |
119 | .width = 2, |
120 | .parts = h4_partitions, | |
121 | .nr_parts = ARRAY_SIZE(h4_partitions), | |
122 | }; | |
123 | ||
124 | static struct resource h4_flash_resource = { | |
1dbae815 TL |
125 | .flags = IORESOURCE_MEM, |
126 | }; | |
127 | ||
128 | static struct platform_device h4_flash_device = { | |
561b036a | 129 | .name = "physmap-flash", |
1dbae815 TL |
130 | .id = 0, |
131 | .dev = { | |
132 | .platform_data = &h4_flash_data, | |
133 | }, | |
134 | .num_resources = 1, | |
135 | .resource = &h4_flash_resource, | |
136 | }; | |
137 | ||
da1f026b JK |
138 | static const struct matrix_keymap_data h4_keymap_data = { |
139 | .keymap = h4_keymap, | |
140 | .keymap_size = ARRAY_SIZE(h4_keymap), | |
141 | }; | |
142 | ||
9b6553cd TL |
143 | static struct omap_kp_platform_data h4_kp_data = { |
144 | .rows = 6, | |
145 | .cols = 7, | |
da1f026b JK |
146 | .keymap_data = &h4_keymap_data, |
147 | .rep = true, | |
9b6553cd TL |
148 | .row_gpios = row_gpios, |
149 | .col_gpios = col_gpios, | |
150 | }; | |
151 | ||
152 | static struct platform_device h4_kp_device = { | |
153 | .name = "omap-keypad", | |
154 | .id = -1, | |
155 | .dev = { | |
156 | .platform_data = &h4_kp_data, | |
157 | }, | |
158 | }; | |
159 | ||
160 | static struct platform_device h4_lcd_device = { | |
161 | .name = "lcd_h4", | |
162 | .id = -1, | |
163 | }; | |
164 | ||
1dbae815 | 165 | static struct platform_device *h4_devices[] __initdata = { |
1dbae815 | 166 | &h4_flash_device, |
9b6553cd TL |
167 | &h4_kp_device, |
168 | &h4_lcd_device, | |
1dbae815 TL |
169 | }; |
170 | ||
44595982 PW |
171 | /* 2420 Sysboot setup (2430 is different) */ |
172 | static u32 get_sysboot_value(void) | |
173 | { | |
174 | return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) & | |
175 | (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK | | |
176 | OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK | | |
177 | OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK)); | |
178 | } | |
179 | ||
180 | /* H4-2420's always used muxed mode, H4-2422's always use non-muxed | |
181 | * | |
182 | * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423 | |
183 | * correctly. The macro needs to look at production_id not just hawkeye. | |
184 | */ | |
185 | static u32 is_gpmc_muxed(void) | |
186 | { | |
187 | u32 mux; | |
188 | mux = get_sysboot_value(); | |
189 | if ((mux & 0xF) == 0xd) | |
190 | return 1; /* NAND config (could be either) */ | |
191 | if (mux & 0x2) /* if mux'ed */ | |
192 | return 1; | |
193 | else | |
194 | return 0; | |
195 | } | |
196 | ||
f6049312 | 197 | static inline void __init h4_init_debug(void) |
1dbae815 | 198 | { |
44595982 PW |
199 | int eth_cs; |
200 | unsigned long cs_mem_base; | |
201 | unsigned int muxed, rate; | |
202 | struct clk *gpmc_fck; | |
203 | ||
204 | eth_cs = H4_SMC91X_CS; | |
205 | ||
206 | gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */ | |
207 | if (IS_ERR(gpmc_fck)) { | |
208 | WARN_ON(1); | |
209 | return; | |
210 | } | |
211 | ||
212 | clk_enable(gpmc_fck); | |
213 | rate = clk_get_rate(gpmc_fck); | |
214 | clk_disable(gpmc_fck); | |
215 | clk_put(gpmc_fck); | |
216 | ||
217 | if (is_gpmc_muxed()) | |
218 | muxed = 0x200; | |
219 | else | |
220 | muxed = 0; | |
221 | ||
1dbae815 | 222 | /* Make sure CS1 timings are correct */ |
44595982 PW |
223 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, |
224 | 0x00011000 | muxed); | |
225 | ||
226 | if (rate >= 160000000) { | |
227 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01); | |
228 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803); | |
229 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a); | |
230 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); | |
231 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); | |
232 | } else if (rate >= 130000000) { | |
233 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); | |
234 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); | |
235 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); | |
236 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); | |
237 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); | |
238 | } else {/* rate = 100000000 */ | |
239 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); | |
240 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); | |
241 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); | |
242 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F); | |
243 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2); | |
244 | } | |
245 | ||
246 | if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { | |
247 | printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); | |
248 | goto out; | |
249 | } | |
250 | ||
1dbae815 TL |
251 | udelay(100); |
252 | ||
f99bf16d | 253 | omap_mux_init_gpio(92, 0); |
40662d77 | 254 | if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0) |
f6049312 | 255 | gpmc_cs_free(eth_cs); |
44595982 PW |
256 | |
257 | out: | |
258 | clk_disable(gpmc_fck); | |
259 | clk_put(gpmc_fck); | |
260 | } | |
261 | ||
262 | static void __init h4_init_flash(void) | |
263 | { | |
264 | unsigned long base; | |
265 | ||
266 | if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) { | |
267 | printk("Can't request GPMC CS for flash\n"); | |
268 | return; | |
269 | } | |
270 | h4_flash_resource.start = base; | |
271 | h4_flash_resource.end = base + SZ_64M - 1; | |
1dbae815 TL |
272 | } |
273 | ||
1dbae815 | 274 | static struct omap_lcd_config h4_lcd_config __initdata = { |
1dbae815 TL |
275 | .ctrl_name = "internal", |
276 | }; | |
277 | ||
b0b5aa3f | 278 | static struct omap_usb_config h4_usb_config __initdata = { |
b0b5aa3f FB |
279 | /* S1.10 OFF -- usb "download port" |
280 | * usb0 switched to Mini-B port and isp1105 transceiver; | |
281 | * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging | |
282 | */ | |
283 | .register_dev = 1, | |
284 | .pins[0] = 3, | |
285 | /* .hmc_mode = 0x14,*/ /* 0:dev 1:host 2:disable */ | |
286 | .hmc_mode = 0x00, /* 0:dev|otg 1:disable 2:disable */ | |
b0b5aa3f FB |
287 | }; |
288 | ||
1a6b5923 | 289 | static struct omap_board_config_kernel h4_config[] __initdata = { |
1dbae815 TL |
290 | { OMAP_TAG_LCD, &h4_lcd_config }, |
291 | }; | |
292 | ||
3dc3bad6 RKAL |
293 | static void __init omap_h4_init_irq(void) |
294 | { | |
741e3a89 | 295 | omap2_init_irq(); |
b3c6df3a PW |
296 | } |
297 | ||
6a769ed4 DB |
298 | static struct at24_platform_data m24c01 = { |
299 | .byte_len = SZ_1K / 8, | |
300 | .page_size = 16, | |
301 | }; | |
302 | ||
9df013b3 JD |
303 | static struct i2c_board_info __initdata h4_i2c_board_info[] = { |
304 | { | |
305 | I2C_BOARD_INFO("isp1301_omap", 0x2d), | |
306 | .irq = OMAP_GPIO_IRQ(125), | |
307 | }, | |
6a769ed4 DB |
308 | { /* EEPROM on mainboard */ |
309 | I2C_BOARD_INFO("24c01", 0x52), | |
310 | .platform_data = &m24c01, | |
311 | }, | |
312 | { /* EEPROM on cpu card */ | |
313 | I2C_BOARD_INFO("24c01", 0x57), | |
314 | .platform_data = &m24c01, | |
315 | }, | |
9df013b3 JD |
316 | }; |
317 | ||
23275d45 TL |
318 | #ifdef CONFIG_OMAP_MUX |
319 | static struct omap_board_mux board_mux[] __initdata = { | |
320 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
321 | }; | |
23275d45 TL |
322 | #endif |
323 | ||
1dbae815 TL |
324 | static void __init omap_h4_init(void) |
325 | { | |
23275d45 TL |
326 | omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF); |
327 | ||
e41cccfe TL |
328 | omap_board_config = h4_config; |
329 | omap_board_config_size = ARRAY_SIZE(h4_config); | |
330 | ||
1dbae815 TL |
331 | /* |
332 | * Make sure the serial ports are muxed on at this point. | |
333 | * You have to mux them off in device drivers later on | |
334 | * if not needed. | |
335 | */ | |
9b6553cd TL |
336 | |
337 | #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) | |
93c43f25 TL |
338 | omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP); |
339 | omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP); | |
340 | omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP); | |
341 | omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP); | |
9b6553cd | 342 | if (omap_has_menelaus()) { |
93c43f25 TL |
343 | omap_mux_init_signal("sdrc_a14.gpio0", |
344 | OMAP_PULL_ENA | OMAP_PULL_UP); | |
345 | omap_mux_init_signal("vlynq_rx0.gpio_15", 0); | |
346 | omap_mux_init_signal("gpio_98", 0); | |
9b6553cd TL |
347 | row_gpios[5] = 0; |
348 | col_gpios[2] = 15; | |
349 | col_gpios[6] = 18; | |
93c43f25 TL |
350 | } else { |
351 | omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP); | |
352 | omap_mux_init_signal("gpio_100", 0); | |
353 | omap_mux_init_signal("gpio_98", 0); | |
9b6553cd | 354 | } |
93c43f25 TL |
355 | omap_mux_init_signal("gpio_90", 0); |
356 | omap_mux_init_signal("gpio_91", 0); | |
357 | omap_mux_init_signal("gpio_36", 0); | |
358 | omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0); | |
359 | omap_mux_init_signal("gpio_97", 0); | |
9b6553cd TL |
360 | #endif |
361 | ||
9df013b3 JD |
362 | i2c_register_board_info(1, h4_i2c_board_info, |
363 | ARRAY_SIZE(h4_i2c_board_info)); | |
364 | ||
1dbae815 | 365 | platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); |
b5e8905b | 366 | omap2_usbfs_init(&h4_usb_config); |
1dbae815 | 367 | omap_serial_init(); |
a4ca9dbe | 368 | omap_sdrc_init(NULL, NULL); |
42924355 | 369 | h4_init_flash(); |
1dbae815 TL |
370 | } |
371 | ||
1dbae815 TL |
372 | MACHINE_START(OMAP_H4, "OMAP2420 H4 board") |
373 | /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ | |
1dbae815 | 374 | .boot_params = 0x80000100, |
71ee7dad | 375 | .reserve = omap_reserve, |
e990a406 | 376 | .map_io = omap242x_map_io, |
8f5b5a41 | 377 | .init_early = omap2420_init_early, |
1dbae815 TL |
378 | .init_irq = omap_h4_init_irq, |
379 | .init_machine = omap_h4_init, | |
e74984e4 | 380 | .timer = &omap2_timer, |
1dbae815 | 381 | MACHINE_END |