OMAP: control: move plat-omap/control.h to mach-omap2/control.h
[linux-2.6.git] / arch / arm / mach-omap2 / board-h4.c
1 /*
2  * linux/arch/arm/mach-omap2/board-h4.c
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/mtd/physmap.h>
20 #include <linux/delay.h>
21 #include <linux/workqueue.h>
22 #include <linux/i2c.h>
23 #include <linux/i2c/at24.h>
24 #include <linux/input.h>
25 #include <linux/err.h>
26 #include <linux/clk.h>
27 #include <linux/io.h>
28
29 #include <mach/hardware.h>
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33
34 #include <mach/gpio.h>
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>
42
43 #include "mux.h"
44 #include "control.h"
45
46 #define H4_FLASH_CS     0
47 #define H4_SMC91X_CS    1
48
49 #define H4_ETHR_GPIO_IRQ                92
50
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
54 static int h4_keymap[] = {
55         KEY(0, 0, KEY_LEFT),
56         KEY(0, 1, KEY_RIGHT),
57         KEY(0, 2, KEY_A),
58         KEY(0, 3, KEY_B),
59         KEY(0, 4, KEY_C),
60         KEY(1, 0, KEY_DOWN),
61         KEY(1, 1, KEY_UP),
62         KEY(1, 2, KEY_E),
63         KEY(1, 3, KEY_F),
64         KEY(1, 4, KEY_G),
65         KEY(2, 0, KEY_ENTER),
66         KEY(2, 1, KEY_I),
67         KEY(2, 2, KEY_J),
68         KEY(2, 3, KEY_K),
69         KEY(2, 4, KEY_3),
70         KEY(3, 0, KEY_M),
71         KEY(3, 1, KEY_N),
72         KEY(3, 2, KEY_O),
73         KEY(3, 3, KEY_P),
74         KEY(3, 4, KEY_Q),
75         KEY(4, 0, KEY_R),
76         KEY(4, 1, KEY_4),
77         KEY(4, 2, KEY_T),
78         KEY(4, 3, KEY_U),
79         KEY(4, 4, KEY_ENTER),
80         KEY(5, 0, KEY_V),
81         KEY(5, 1, KEY_W),
82         KEY(5, 2, KEY_L),
83         KEY(5, 3, KEY_S),
84         KEY(5, 4, KEY_ENTER),
85         0
86 };
87
88 static struct mtd_partition h4_partitions[] = {
89         /* bootloader (U-Boot, etc) in first sector */
90         {
91               .name             = "bootloader",
92               .offset           = 0,
93               .size             = SZ_128K,
94               .mask_flags       = MTD_WRITEABLE, /* force read-only */
95         },
96         /* bootloader params in the next sector */
97         {
98               .name             = "params",
99               .offset           = MTDPART_OFS_APPEND,
100               .size             = SZ_128K,
101               .mask_flags       = 0,
102         },
103         /* kernel */
104         {
105               .name             = "kernel",
106               .offset           = MTDPART_OFS_APPEND,
107               .size             = SZ_2M,
108               .mask_flags       = 0
109         },
110         /* file system */
111         {
112               .name             = "filesystem",
113               .offset           = MTDPART_OFS_APPEND,
114               .size             = MTDPART_SIZ_FULL,
115               .mask_flags       = 0
116         }
117 };
118
119 static struct physmap_flash_data h4_flash_data = {
120         .width          = 2,
121         .parts          = h4_partitions,
122         .nr_parts       = ARRAY_SIZE(h4_partitions),
123 };
124
125 static struct resource h4_flash_resource = {
126         .flags          = IORESOURCE_MEM,
127 };
128
129 static struct platform_device h4_flash_device = {
130         .name           = "physmap-flash",
131         .id             = 0,
132         .dev            = {
133                 .platform_data  = &h4_flash_data,
134         },
135         .num_resources  = 1,
136         .resource       = &h4_flash_resource,
137 };
138
139 static struct omap_kp_platform_data h4_kp_data = {
140         .rows           = 6,
141         .cols           = 7,
142         .keymap         = h4_keymap,
143         .keymapsize     = ARRAY_SIZE(h4_keymap),
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
162 static struct platform_device *h4_devices[] __initdata = {
163         &h4_flash_device,
164         &h4_kp_device,
165         &h4_lcd_device,
166 };
167
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
194 static inline void __init h4_init_debug(void)
195 {
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
219         /* Make sure CS1 timings are correct */
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
248         udelay(100);
249
250         omap_mux_init_gpio(92, 0);
251         if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0)
252                 gpmc_cs_free(eth_cs);
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;
269 }
270
271 static struct omap_lcd_config h4_lcd_config __initdata = {
272         .ctrl_name      = "internal",
273 };
274
275 static struct omap_usb_config h4_usb_config __initdata = {
276         /* S1.10 OFF -- usb "download port"
277          * usb0 switched to Mini-B port and isp1105 transceiver;
278          * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging
279          */
280         .register_dev   = 1,
281         .pins[0]        = 3,
282 /*      .hmc_mode       = 0x14,*/       /* 0:dev 1:host 2:disable */
283         .hmc_mode       = 0x00,         /* 0:dev|otg 1:disable 2:disable */
284 };
285
286 static struct omap_board_config_kernel h4_config[] = {
287         { OMAP_TAG_LCD,         &h4_lcd_config },
288 };
289
290 static void __init omap_h4_init_irq(void)
291 {
292         omap_board_config = h4_config;
293         omap_board_config_size = ARRAY_SIZE(h4_config);
294         omap2_init_common_hw(NULL, NULL);
295         omap_init_irq();
296         omap_gpio_init();
297         h4_init_flash();
298 }
299
300 static struct at24_platform_data m24c01 = {
301         .byte_len       = SZ_1K / 8,
302         .page_size      = 16,
303 };
304
305 static struct i2c_board_info __initdata h4_i2c_board_info[] = {
306         {
307                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
308                 .irq            = OMAP_GPIO_IRQ(125),
309         },
310         {       /* EEPROM on mainboard */
311                 I2C_BOARD_INFO("24c01", 0x52),
312                 .platform_data  = &m24c01,
313         },
314         {       /* EEPROM on cpu card */
315                 I2C_BOARD_INFO("24c01", 0x57),
316                 .platform_data  = &m24c01,
317         },
318 };
319
320 #ifdef CONFIG_OMAP_MUX
321 static struct omap_board_mux board_mux[] __initdata = {
322         { .reg_offset = OMAP_MUX_TERMINATOR },
323 };
324 #else
325 #define board_mux       NULL
326 #endif
327
328 static void __init omap_h4_init(void)
329 {
330         omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF);
331
332         /*
333          * Make sure the serial ports are muxed on at this point.
334          * You have to mux them off in device drivers later on
335          * if not needed.
336          */
337
338 #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
339         omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP);
340         omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP);
341         omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP);
342         omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
343         if (omap_has_menelaus()) {
344                 omap_mux_init_signal("sdrc_a14.gpio0",
345                         OMAP_PULL_ENA | OMAP_PULL_UP);
346                 omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
347                 omap_mux_init_signal("gpio_98", 0);
348                 row_gpios[5] = 0;
349                 col_gpios[2] = 15;
350                 col_gpios[6] = 18;
351         } else {
352                 omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP);
353                 omap_mux_init_signal("gpio_100", 0);
354                 omap_mux_init_signal("gpio_98", 0);
355         }
356         omap_mux_init_signal("gpio_90", 0);
357         omap_mux_init_signal("gpio_91", 0);
358         omap_mux_init_signal("gpio_36", 0);
359         omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
360         omap_mux_init_signal("gpio_97", 0);
361 #endif
362
363         i2c_register_board_info(1, h4_i2c_board_info,
364                         ARRAY_SIZE(h4_i2c_board_info));
365
366         platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
367         omap2_usbfs_init(&h4_usb_config);
368         omap_serial_init();
369 }
370
371 static void __init omap_h4_map_io(void)
372 {
373         omap2_set_globals_242x();
374         omap242x_map_common_io();
375 }
376
377 MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
378         /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
379         .phys_io        = 0x48000000,
380         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
381         .boot_params    = 0x80000100,
382         .map_io         = omap_h4_map_io,
383         .reserve        = omap_reserve,
384         .init_irq       = omap_h4_init_irq,
385         .init_machine   = omap_h4_init,
386         .timer          = &omap_timer,
387 MACHINE_END