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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> | |
19 | #include <linux/delay.h> | |
9b6553cd | 20 | #include <linux/workqueue.h> |
9df013b3 | 21 | #include <linux/i2c.h> |
6a769ed4 | 22 | #include <linux/i2c/at24.h> |
9b6553cd | 23 | #include <linux/input.h> |
44595982 PW |
24 | #include <linux/err.h> |
25 | #include <linux/clk.h> | |
fced80c7 | 26 | #include <linux/io.h> |
1dbae815 | 27 | |
a09e64fb | 28 | #include <mach/hardware.h> |
1dbae815 TL |
29 | #include <asm/mach-types.h> |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/mach/map.h> | |
32 | #include <asm/mach/flash.h> | |
33 | ||
ce491cf8 | 34 | #include <plat/control.h> |
a09e64fb | 35 | #include <mach/gpio.h> |
ce491cf8 TL |
36 | #include <plat/mux.h> |
37 | #include <plat/usb.h> | |
38 | #include <plat/board.h> | |
39 | #include <plat/common.h> | |
40 | #include <plat/keypad.h> | |
41 | #include <plat/menelaus.h> | |
42 | #include <plat/dma.h> | |
43 | #include <plat/gpmc.h> | |
1dbae815 | 44 | |
44595982 PW |
45 | #define H4_FLASH_CS 0 |
46 | #define H4_SMC91X_CS 1 | |
47 | ||
40662d77 TL |
48 | #define H4_ETHR_GPIO_IRQ 92 |
49 | ||
9b6553cd TL |
50 | static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 }; |
51 | static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 }; | |
52 | ||
53 | static int h4_keymap[] = { | |
54 | KEY(0, 0, KEY_LEFT), | |
55 | KEY(0, 1, KEY_RIGHT), | |
56 | KEY(0, 2, KEY_A), | |
57 | KEY(0, 3, KEY_B), | |
58 | KEY(0, 4, KEY_C), | |
59 | KEY(1, 0, KEY_DOWN), | |
60 | KEY(1, 1, KEY_UP), | |
61 | KEY(1, 2, KEY_E), | |
62 | KEY(1, 3, KEY_F), | |
63 | KEY(1, 4, KEY_G), | |
64 | KEY(2, 0, KEY_ENTER), | |
65 | KEY(2, 1, KEY_I), | |
66 | KEY(2, 2, KEY_J), | |
67 | KEY(2, 3, KEY_K), | |
68 | KEY(2, 4, KEY_3), | |
69 | KEY(3, 0, KEY_M), | |
70 | KEY(3, 1, KEY_N), | |
71 | KEY(3, 2, KEY_O), | |
72 | KEY(3, 3, KEY_P), | |
73 | KEY(3, 4, KEY_Q), | |
74 | KEY(4, 0, KEY_R), | |
75 | KEY(4, 1, KEY_4), | |
76 | KEY(4, 2, KEY_T), | |
77 | KEY(4, 3, KEY_U), | |
78 | KEY(4, 4, KEY_ENTER), | |
79 | KEY(5, 0, KEY_V), | |
80 | KEY(5, 1, KEY_W), | |
81 | KEY(5, 2, KEY_L), | |
82 | KEY(5, 3, KEY_S), | |
83 | KEY(5, 4, KEY_ENTER), | |
84 | 0 | |
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 | ||
118 | static struct flash_platform_data h4_flash_data = { | |
119 | .map_name = "cfi_probe", | |
120 | .width = 2, | |
121 | .parts = h4_partitions, | |
122 | .nr_parts = ARRAY_SIZE(h4_partitions), | |
123 | }; | |
124 | ||
125 | static struct resource h4_flash_resource = { | |
1dbae815 TL |
126 | .flags = IORESOURCE_MEM, |
127 | }; | |
128 | ||
129 | static struct platform_device h4_flash_device = { | |
130 | .name = "omapflash", | |
131 | .id = 0, | |
132 | .dev = { | |
133 | .platform_data = &h4_flash_data, | |
134 | }, | |
135 | .num_resources = 1, | |
136 | .resource = &h4_flash_resource, | |
137 | }; | |
138 | ||
9b6553cd TL |
139 | static struct omap_kp_platform_data h4_kp_data = { |
140 | .rows = 6, | |
141 | .cols = 7, | |
142 | .keymap = h4_keymap, | |
4d24607b | 143 | .keymapsize = ARRAY_SIZE(h4_keymap), |
9b6553cd TL |
144 | .rep = 1, |
145 | .row_gpios = row_gpios, | |
146 | .col_gpios = col_gpios, | |
147 | }; | |
148 | ||
149 | static struct platform_device h4_kp_device = { | |
150 | .name = "omap-keypad", | |
151 | .id = -1, | |
152 | .dev = { | |
153 | .platform_data = &h4_kp_data, | |
154 | }, | |
155 | }; | |
156 | ||
157 | static struct platform_device h4_lcd_device = { | |
158 | .name = "lcd_h4", | |
159 | .id = -1, | |
160 | }; | |
161 | ||
1dbae815 | 162 | static struct platform_device *h4_devices[] __initdata = { |
1dbae815 | 163 | &h4_flash_device, |
9b6553cd TL |
164 | &h4_kp_device, |
165 | &h4_lcd_device, | |
1dbae815 TL |
166 | }; |
167 | ||
44595982 PW |
168 | /* 2420 Sysboot setup (2430 is different) */ |
169 | static u32 get_sysboot_value(void) | |
170 | { | |
171 | return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) & | |
172 | (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK | | |
173 | OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK | | |
174 | OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK)); | |
175 | } | |
176 | ||
177 | /* H4-2420's always used muxed mode, H4-2422's always use non-muxed | |
178 | * | |
179 | * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423 | |
180 | * correctly. The macro needs to look at production_id not just hawkeye. | |
181 | */ | |
182 | static u32 is_gpmc_muxed(void) | |
183 | { | |
184 | u32 mux; | |
185 | mux = get_sysboot_value(); | |
186 | if ((mux & 0xF) == 0xd) | |
187 | return 1; /* NAND config (could be either) */ | |
188 | if (mux & 0x2) /* if mux'ed */ | |
189 | return 1; | |
190 | else | |
191 | return 0; | |
192 | } | |
193 | ||
f6049312 | 194 | static inline void __init h4_init_debug(void) |
1dbae815 | 195 | { |
44595982 PW |
196 | int eth_cs; |
197 | unsigned long cs_mem_base; | |
198 | unsigned int muxed, rate; | |
199 | struct clk *gpmc_fck; | |
200 | ||
201 | eth_cs = H4_SMC91X_CS; | |
202 | ||
203 | gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */ | |
204 | if (IS_ERR(gpmc_fck)) { | |
205 | WARN_ON(1); | |
206 | return; | |
207 | } | |
208 | ||
209 | clk_enable(gpmc_fck); | |
210 | rate = clk_get_rate(gpmc_fck); | |
211 | clk_disable(gpmc_fck); | |
212 | clk_put(gpmc_fck); | |
213 | ||
214 | if (is_gpmc_muxed()) | |
215 | muxed = 0x200; | |
216 | else | |
217 | muxed = 0; | |
218 | ||
1dbae815 | 219 | /* Make sure CS1 timings are correct */ |
44595982 PW |
220 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, |
221 | 0x00011000 | muxed); | |
222 | ||
223 | if (rate >= 160000000) { | |
224 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01); | |
225 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803); | |
226 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a); | |
227 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); | |
228 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); | |
229 | } else if (rate >= 130000000) { | |
230 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); | |
231 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); | |
232 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); | |
233 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); | |
234 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); | |
235 | } else {/* rate = 100000000 */ | |
236 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); | |
237 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); | |
238 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); | |
239 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F); | |
240 | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2); | |
241 | } | |
242 | ||
243 | if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { | |
244 | printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); | |
245 | goto out; | |
246 | } | |
247 | ||
1dbae815 TL |
248 | udelay(100); |
249 | ||
250 | omap_cfg_reg(M15_24XX_GPIO92); | |
40662d77 | 251 | if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0) |
f6049312 | 252 | gpmc_cs_free(eth_cs); |
44595982 PW |
253 | |
254 | out: | |
255 | clk_disable(gpmc_fck); | |
256 | clk_put(gpmc_fck); | |
257 | } | |
258 | ||
259 | static void __init h4_init_flash(void) | |
260 | { | |
261 | unsigned long base; | |
262 | ||
263 | if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) { | |
264 | printk("Can't request GPMC CS for flash\n"); | |
265 | return; | |
266 | } | |
267 | h4_flash_resource.start = base; | |
268 | h4_flash_resource.end = base + SZ_64M - 1; | |
1dbae815 TL |
269 | } |
270 | ||
1dbae815 | 271 | static struct omap_lcd_config h4_lcd_config __initdata = { |
1dbae815 TL |
272 | .ctrl_name = "internal", |
273 | }; | |
274 | ||
b0b5aa3f FB |
275 | static struct omap_usb_config h4_usb_config __initdata = { |
276 | #ifdef CONFIG_MACH_OMAP2_H4_USB1 | |
277 | /* NOTE: usb1 could also be used with 3 wire signaling */ | |
278 | .pins[1] = 4, | |
279 | #endif | |
280 | ||
281 | #ifdef CONFIG_MACH_OMAP_H4_OTG | |
282 | /* S1.10 ON -- USB OTG port | |
283 | * usb0 switched to Mini-AB port and isp1301 transceiver; | |
284 | * S2.POS3 = OFF, S2.POS4 = ON ... to allow battery charging | |
285 | */ | |
286 | .otg = 1, | |
287 | .pins[0] = 4, | |
288 | #ifdef CONFIG_USB_GADGET_OMAP | |
289 | /* use OTG cable, or standard A-to-MiniB */ | |
290 | .hmc_mode = 0x14, /* 0:dev/otg 1:host 2:disable */ | |
291 | #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | |
292 | /* use OTG cable, or NONSTANDARD (B-to-MiniB) */ | |
293 | .hmc_mode = 0x11, /* 0:host 1:host 2:disable */ | |
294 | #endif /* XX */ | |
295 | ||
296 | #else | |
297 | /* S1.10 OFF -- usb "download port" | |
298 | * usb0 switched to Mini-B port and isp1105 transceiver; | |
299 | * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging | |
300 | */ | |
301 | .register_dev = 1, | |
302 | .pins[0] = 3, | |
303 | /* .hmc_mode = 0x14,*/ /* 0:dev 1:host 2:disable */ | |
304 | .hmc_mode = 0x00, /* 0:dev|otg 1:disable 2:disable */ | |
305 | #endif | |
306 | }; | |
307 | ||
1dbae815 | 308 | static struct omap_board_config_kernel h4_config[] = { |
1dbae815 TL |
309 | { OMAP_TAG_LCD, &h4_lcd_config }, |
310 | }; | |
311 | ||
b3c6df3a PW |
312 | static void __init omap_h4_init_irq(void) |
313 | { | |
314 | omap_board_config = h4_config; | |
315 | omap_board_config_size = ARRAY_SIZE(h4_config); | |
316 | omap2_init_common_hw(NULL, NULL); | |
317 | omap_init_irq(); | |
318 | omap_gpio_init(); | |
319 | h4_init_flash(); | |
320 | } | |
321 | ||
6a769ed4 DB |
322 | static struct at24_platform_data m24c01 = { |
323 | .byte_len = SZ_1K / 8, | |
324 | .page_size = 16, | |
325 | }; | |
326 | ||
9df013b3 JD |
327 | static struct i2c_board_info __initdata h4_i2c_board_info[] = { |
328 | { | |
329 | I2C_BOARD_INFO("isp1301_omap", 0x2d), | |
330 | .irq = OMAP_GPIO_IRQ(125), | |
331 | }, | |
6a769ed4 DB |
332 | { /* EEPROM on mainboard */ |
333 | I2C_BOARD_INFO("24c01", 0x52), | |
334 | .platform_data = &m24c01, | |
335 | }, | |
336 | { /* EEPROM on cpu card */ | |
337 | I2C_BOARD_INFO("24c01", 0x57), | |
338 | .platform_data = &m24c01, | |
339 | }, | |
9df013b3 JD |
340 | }; |
341 | ||
1dbae815 TL |
342 | static void __init omap_h4_init(void) |
343 | { | |
344 | /* | |
345 | * Make sure the serial ports are muxed on at this point. | |
346 | * You have to mux them off in device drivers later on | |
347 | * if not needed. | |
348 | */ | |
9b6553cd TL |
349 | #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE) |
350 | omap_cfg_reg(K15_24XX_UART3_TX); | |
351 | omap_cfg_reg(K14_24XX_UART3_RX); | |
352 | #endif | |
353 | ||
354 | #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) | |
355 | if (omap_has_menelaus()) { | |
356 | row_gpios[5] = 0; | |
357 | col_gpios[2] = 15; | |
358 | col_gpios[6] = 18; | |
359 | } | |
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)); |
b0b5aa3f | 366 | omap_usb_init(&h4_usb_config); |
1dbae815 TL |
367 | omap_serial_init(); |
368 | } | |
369 | ||
370 | static void __init omap_h4_map_io(void) | |
371 | { | |
c8d2eb8e | 372 | omap2_set_globals_242x(); |
6fbd55d0 | 373 | omap242x_map_common_io(); |
1dbae815 TL |
374 | } |
375 | ||
376 | MACHINE_START(OMAP_H4, "OMAP2420 H4 board") | |
377 | /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ | |
1dbae815 | 378 | .phys_io = 0x48000000, |
b4224b23 | 379 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, |
1dbae815 TL |
380 | .boot_params = 0x80000100, |
381 | .map_io = omap_h4_map_io, | |
382 | .init_irq = omap_h4_init_irq, | |
383 | .init_machine = omap_h4_init, | |
384 | .timer = &omap_timer, | |
385 | MACHINE_END |