Merge git://git.infradead.org/mtd-2.6
[linux-2.6] / arch / arm / mach-omap1 / board-h2.c
1 /*
2  * linux/arch/arm/mach-omap1/board-h2.c
3  *
4  * Board specific inits for OMAP-1610 H2
5  *
6  * Copyright (C) 2001 RidgeRun, Inc.
7  * Author: Greg Lonnon <glonnon@ridgerun.com>
8  *
9  * Copyright (C) 2002 MontaVista Software, Inc.
10  *
11  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
12  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
13  *
14  * H2 specific changes and cleanup
15  * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
16  *
17  * This program is free software; you can redistribute it and/or modify
18  * it under the terms of the GNU General Public License version 2 as
19  * published by the Free Software Foundation.
20  */
21
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/delay.h>
26 #include <linux/mtd/mtd.h>
27 #include <linux/mtd/nand.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/input.h>
30 #include <linux/workqueue.h>
31
32 #include <asm/hardware.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/flash.h>
36 #include <asm/mach/map.h>
37
38 #include <asm/arch/gpio.h>
39 #include <asm/arch/mux.h>
40 #include <asm/arch/tc.h>
41 #include <asm/arch/irda.h>
42 #include <asm/arch/usb.h>
43 #include <asm/arch/keypad.h>
44 #include <asm/arch/common.h>
45 #include <asm/arch/mcbsp.h>
46 #include <asm/arch/omap-alsa.h>
47
48 extern int omap_gpio_init(void);
49
50 static int h2_keymap[] = {
51         KEY(0, 0, KEY_LEFT),
52         KEY(0, 1, KEY_RIGHT),
53         KEY(0, 2, KEY_3),
54         KEY(0, 3, KEY_F10),
55         KEY(0, 4, KEY_F5),
56         KEY(0, 5, KEY_9),
57         KEY(1, 0, KEY_DOWN),
58         KEY(1, 1, KEY_UP),
59         KEY(1, 2, KEY_2),
60         KEY(1, 3, KEY_F9),
61         KEY(1, 4, KEY_F7),
62         KEY(1, 5, KEY_0),
63         KEY(2, 0, KEY_ENTER),
64         KEY(2, 1, KEY_6),
65         KEY(2, 2, KEY_1),
66         KEY(2, 3, KEY_F2),
67         KEY(2, 4, KEY_F6),
68         KEY(2, 5, KEY_HOME),
69         KEY(3, 0, KEY_8),
70         KEY(3, 1, KEY_5),
71         KEY(3, 2, KEY_F12),
72         KEY(3, 3, KEY_F3),
73         KEY(3, 4, KEY_F8),
74         KEY(3, 5, KEY_END),
75         KEY(4, 0, KEY_7),
76         KEY(4, 1, KEY_4),
77         KEY(4, 2, KEY_F11),
78         KEY(4, 3, KEY_F1),
79         KEY(4, 4, KEY_F4),
80         KEY(4, 5, KEY_ESC),
81         KEY(5, 0, KEY_F13),
82         KEY(5, 1, KEY_F14),
83         KEY(5, 2, KEY_F15),
84         KEY(5, 3, KEY_F16),
85         KEY(5, 4, KEY_SLEEP),
86         0
87 };
88
89 static struct mtd_partition h2_nor_partitions[] = {
90         /* bootloader (U-Boot, etc) in first sector */
91         {
92               .name             = "bootloader",
93               .offset           = 0,
94               .size             = SZ_128K,
95               .mask_flags       = MTD_WRITEABLE, /* force read-only */
96         },
97         /* bootloader params in the next sector */
98         {
99               .name             = "params",
100               .offset           = MTDPART_OFS_APPEND,
101               .size             = SZ_128K,
102               .mask_flags       = 0,
103         },
104         /* kernel */
105         {
106               .name             = "kernel",
107               .offset           = MTDPART_OFS_APPEND,
108               .size             = SZ_2M,
109               .mask_flags       = 0
110         },
111         /* file system */
112         {
113               .name             = "filesystem",
114               .offset           = MTDPART_OFS_APPEND,
115               .size             = MTDPART_SIZ_FULL,
116               .mask_flags       = 0
117         }
118 };
119
120 static struct flash_platform_data h2_nor_data = {
121         .map_name       = "cfi_probe",
122         .width          = 2,
123         .parts          = h2_nor_partitions,
124         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
125 };
126
127 static struct resource h2_nor_resource = {
128         /* This is on CS3, wherever it's mapped */
129         .flags          = IORESOURCE_MEM,
130 };
131
132 static struct platform_device h2_nor_device = {
133         .name           = "omapflash",
134         .id             = 0,
135         .dev            = {
136                 .platform_data  = &h2_nor_data,
137         },
138         .num_resources  = 1,
139         .resource       = &h2_nor_resource,
140 };
141
142 static struct resource h2_smc91x_resources[] = {
143         [0] = {
144                 .start  = OMAP1610_ETHR_START,          /* Physical */
145                 .end    = OMAP1610_ETHR_START + 0xf,
146                 .flags  = IORESOURCE_MEM,
147         },
148         [1] = {
149                 .start  = OMAP_GPIO_IRQ(0),
150                 .end    = OMAP_GPIO_IRQ(0),
151                 .flags  = IORESOURCE_IRQ,
152         },
153 };
154
155 static struct platform_device h2_smc91x_device = {
156         .name           = "smc91x",
157         .id             = 0,
158         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
159         .resource       = h2_smc91x_resources,
160 };
161
162 static struct resource h2_kp_resources[] = {
163         [0] = {
164                 .start  = INT_KEYBOARD,
165                 .end    = INT_KEYBOARD,
166                 .flags  = IORESOURCE_IRQ,
167         },
168 };
169
170 static struct omap_kp_platform_data h2_kp_data = {
171         .rows           = 8,
172         .cols           = 8,
173         .keymap         = h2_keymap,
174         .keymapsize     = ARRAY_SIZE(h2_keymap),
175         .rep            = 1,
176         .delay          = 9,
177         .dbounce        = 1,
178 };
179
180 static struct platform_device h2_kp_device = {
181         .name           = "omap-keypad",
182         .id             = -1,
183         .dev            = {
184                 .platform_data = &h2_kp_data,
185         },
186         .num_resources  = ARRAY_SIZE(h2_kp_resources),
187         .resource       = h2_kp_resources,
188 };
189
190 #define H2_IRDA_FIRSEL_GPIO_PIN 17
191
192 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
193 static int h2_transceiver_mode(struct device *dev, int state)
194 {
195         if (state & IR_SIRMODE)
196                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
197         else    /* MIR/FIR */
198                 omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);
199
200         return 0;
201 }
202 #endif
203
204 static struct omap_irda_config h2_irda_data = {
205         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
206         .rx_channel             = OMAP_DMA_UART3_RX,
207         .tx_channel             = OMAP_DMA_UART3_TX,
208         .dest_start             = UART3_THR,
209         .src_start              = UART3_RHR,
210         .tx_trigger             = 0,
211         .rx_trigger             = 0,
212 };
213
214 static struct resource h2_irda_resources[] = {
215         [0] = {
216                 .start  = INT_UART3,
217                 .end    = INT_UART3,
218                 .flags  = IORESOURCE_IRQ,
219         },
220 };
221 static struct platform_device h2_irda_device = {
222         .name           = "omapirda",
223         .id             = 0,
224         .dev            = {
225                 .platform_data  = &h2_irda_data,
226         },
227         .num_resources  = ARRAY_SIZE(h2_irda_resources),
228         .resource       = h2_irda_resources,
229 };
230
231 static struct platform_device h2_lcd_device = {
232         .name           = "lcd_h2",
233         .id             = -1,
234 };
235
236 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
237         .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
238         .spcr1 = RINTM(3) | RRST,
239         .rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
240                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
241         .rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
242         .xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
243                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
244         .xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
245         .srgr1 = FWID(15),
246         .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
247
248         .pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
249         //.pcr0 = CLKXP | CLKRP,        /* mcbsp: slave */
250 };
251
252 static struct omap_alsa_codec_config alsa_config = {
253         .name                   = "H2 TSC2101",
254         .mcbsp_regs_alsa        = &mcbsp_regs,
255         .codec_configure_dev    = NULL, // tsc2101_configure,
256         .codec_set_samplerate   = NULL, // tsc2101_set_samplerate,
257         .codec_clock_setup      = NULL, // tsc2101_clock_setup,
258         .codec_clock_on         = NULL, // tsc2101_clock_on,
259         .codec_clock_off        = NULL, // tsc2101_clock_off,
260         .get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
261 };
262
263 static struct platform_device h2_mcbsp1_device = {
264         .name   = "omap_alsa_mcbsp",
265         .id     = 1,
266         .dev = {
267                 .platform_data  = &alsa_config,
268         },
269 };
270
271 static struct platform_device *h2_devices[] __initdata = {
272         &h2_nor_device,
273         &h2_smc91x_device,
274         &h2_irda_device,
275         &h2_kp_device,
276         &h2_lcd_device,
277         &h2_mcbsp1_device,
278 };
279
280 static void __init h2_init_smc91x(void)
281 {
282         if ((omap_request_gpio(0)) < 0) {
283                 printk("Error requesting gpio 0 for smc91x irq\n");
284                 return;
285         }
286 }
287
288 static void __init h2_init_irq(void)
289 {
290         omap1_init_common_hw();
291         omap_init_irq();
292         omap_gpio_init();
293         h2_init_smc91x();
294 }
295
296 static struct omap_usb_config h2_usb_config __initdata = {
297         /* usb1 has a Mini-AB port and external isp1301 transceiver */
298         .otg            = 2,
299
300 #ifdef  CONFIG_USB_GADGET_OMAP
301         .hmc_mode       = 19,   // 0:host(off) 1:dev|otg 2:disabled
302         // .hmc_mode    = 21,   // 0:host(off) 1:dev(loopback) 2:host(loopback)
303 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
304         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
305         .hmc_mode       = 20,   // 1:dev|otg(off) 1:host 2:disabled
306 #endif
307
308         .pins[1]        = 3,
309 };
310
311 static struct omap_mmc_config h2_mmc_config __initdata = {
312         .mmc [0] = {
313                 .enabled        = 1,
314                 .wire4          = 1,
315                 .wp_pin         = OMAP_MPUIO(3),
316                 .power_pin      = -1,   /* tps65010 gpio3 */
317                 .switch_pin     = OMAP_MPUIO(1),
318         },
319 };
320
321 static struct omap_uart_config h2_uart_config __initdata = {
322         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
323 };
324
325 static struct omap_lcd_config h2_lcd_config __initdata = {
326         .ctrl_name      = "internal",
327 };
328
329 static struct omap_board_config_kernel h2_config[] __initdata = {
330         { OMAP_TAG_USB,           &h2_usb_config },
331         { OMAP_TAG_MMC,           &h2_mmc_config },
332         { OMAP_TAG_UART,        &h2_uart_config },
333         { OMAP_TAG_LCD,         &h2_lcd_config },
334 };
335
336 static void __init h2_init(void)
337 {
338         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
339          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
340          * notice whether a NAND chip is enabled at probe time.
341          *
342          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
343          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
344          * detecting that in code here, to avoid probing every possible flash
345          * configuration...
346          */
347         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
348         h2_nor_resource.end += SZ_32M - 1;
349
350         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
351         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
352
353         /* MMC:  card detect and WP */
354         // omap_cfg_reg(U19_ARMIO1);            /* CD */
355         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
356
357         /* Irda */
358 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
359         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
360         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
361                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
362                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
363         }
364 #endif
365
366         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
367         omap_board_config = h2_config;
368         omap_board_config_size = ARRAY_SIZE(h2_config);
369         omap_serial_init();
370 }
371
372 static void __init h2_map_io(void)
373 {
374         omap1_map_common_io();
375 }
376
377 MACHINE_START(OMAP_H2, "TI-H2")
378         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
379         .phys_io        = 0xfff00000,
380         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
381         .boot_params    = 0x10000100,
382         .map_io         = h2_map_io,
383         .init_irq       = h2_init_irq,
384         .init_machine   = h2_init,
385         .timer          = &omap_timer,
386 MACHINE_END