omap: Use separate init_irq functions to avoid cpu_is_omap tests early
[linux-3.10.git] / arch / arm / mach-omap1 / board-perseus2.c
1 /*
2  * linux/arch/arm/mach-omap1/board-perseus2.c
3  *
4  * Modified from board-generic.c
5  *
6  * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
7  * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
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/delay.h>
18 #include <linux/mtd/mtd.h>
19 #include <linux/mtd/nand.h>
20 #include <linux/mtd/partitions.h>
21 #include <linux/mtd/physmap.h>
22 #include <linux/input.h>
23 #include <linux/smc91x.h>
24
25 #include <mach/hardware.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29
30 #include <plat/tc.h>
31 #include <mach/gpio.h>
32 #include <plat/mux.h>
33 #include <plat/fpga.h>
34 #include <plat/flash.h>
35 #include <plat/keypad.h>
36 #include <plat/common.h>
37 #include <plat/board.h>
38
39 static const unsigned int p2_keymap[] = {
40         KEY(0, 0, KEY_UP),
41         KEY(1, 0, KEY_RIGHT),
42         KEY(2, 0, KEY_LEFT),
43         KEY(3, 0, KEY_DOWN),
44         KEY(4, 0, KEY_ENTER),
45         KEY(0, 1, KEY_F10),
46         KEY(1, 1, KEY_SEND),
47         KEY(2, 1, KEY_END),
48         KEY(3, 1, KEY_VOLUMEDOWN),
49         KEY(4, 1, KEY_VOLUMEUP),
50         KEY(5, 1, KEY_RECORD),
51         KEY(0, 2, KEY_F9),
52         KEY(1, 2, KEY_3),
53         KEY(2, 2, KEY_6),
54         KEY(3, 2, KEY_9),
55         KEY(4, 2, KEY_KPDOT),
56         KEY(0, 3, KEY_BACK),
57         KEY(1, 3, KEY_2),
58         KEY(2, 3, KEY_5),
59         KEY(3, 3, KEY_8),
60         KEY(4, 3, KEY_0),
61         KEY(5, 3, KEY_KPSLASH),
62         KEY(0, 4, KEY_HOME),
63         KEY(1, 4, KEY_1),
64         KEY(2, 4, KEY_4),
65         KEY(3, 4, KEY_7),
66         KEY(4, 4, KEY_KPASTERISK),
67         KEY(5, 4, KEY_POWER),
68 };
69
70 static struct smc91x_platdata smc91x_info = {
71         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
72         .leda   = RPC_LED_100_10,
73         .ledb   = RPC_LED_TX_RX,
74 };
75
76 static struct resource smc91x_resources[] = {
77         [0] = {
78                 .start  = H2P2_DBG_FPGA_ETHR_START,     /* Physical */
79                 .end    = H2P2_DBG_FPGA_ETHR_START + 0xf,
80                 .flags  = IORESOURCE_MEM,
81         },
82         [1] = {
83                 .start  = INT_7XX_MPU_EXT_NIRQ,
84                 .end    = 0,
85                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
86         },
87 };
88
89 static struct mtd_partition 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         /* rest of flash is a file system */
112         {
113               .name             = "rootfs",
114               .offset           = MTDPART_OFS_APPEND,
115               .size             = MTDPART_SIZ_FULL,
116               .mask_flags       = 0
117         },
118 };
119
120 static struct physmap_flash_data nor_data = {
121         .width          = 2,
122         .set_vpp        = omap1_set_vpp,
123         .parts          = nor_partitions,
124         .nr_parts       = ARRAY_SIZE(nor_partitions),
125 };
126
127 static struct resource nor_resource = {
128         .start          = OMAP_CS0_PHYS,
129         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
130         .flags          = IORESOURCE_MEM,
131 };
132
133 static struct platform_device nor_device = {
134         .name           = "physmap-flash",
135         .id             = 0,
136         .dev            = {
137                 .platform_data  = &nor_data,
138         },
139         .num_resources  = 1,
140         .resource       = &nor_resource,
141 };
142
143 static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
144 {
145         struct nand_chip *this = mtd->priv;
146         unsigned long mask;
147
148         if (cmd == NAND_CMD_NONE)
149                 return;
150
151         mask = (ctrl & NAND_CLE) ? 0x02 : 0;
152         if (ctrl & NAND_ALE)
153                 mask |= 0x04;
154         writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
155 }
156
157 #define P2_NAND_RB_GPIO_PIN     62
158
159 static int nand_dev_ready(struct mtd_info *mtd)
160 {
161         return gpio_get_value(P2_NAND_RB_GPIO_PIN);
162 }
163
164 static const char *part_probes[] = { "cmdlinepart", NULL };
165
166 static struct platform_nand_data nand_data = {
167         .chip   = {
168                 .nr_chips               = 1,
169                 .chip_offset            = 0,
170                 .options                = NAND_SAMSUNG_LP_OPTIONS,
171                 .part_probe_types       = part_probes,
172         },
173         .ctrl   = {
174                 .cmd_ctrl       = nand_cmd_ctl,
175                 .dev_ready      = nand_dev_ready,
176         },
177 };
178
179 static struct resource nand_resource = {
180         .start          = OMAP_CS3_PHYS,
181         .end            = OMAP_CS3_PHYS + SZ_4K - 1,
182         .flags          = IORESOURCE_MEM,
183 };
184
185 static struct platform_device nand_device = {
186         .name           = "gen_nand",
187         .id             = 0,
188         .dev            = {
189                 .platform_data  = &nand_data,
190         },
191         .num_resources  = 1,
192         .resource       = &nand_resource,
193 };
194
195 static struct platform_device smc91x_device = {
196         .name           = "smc91x",
197         .id             = 0,
198         .dev    = {
199                 .platform_data  = &smc91x_info,
200         },
201         .num_resources  = ARRAY_SIZE(smc91x_resources),
202         .resource       = smc91x_resources,
203 };
204
205 static struct resource kp_resources[] = {
206         [0] = {
207                 .start  = INT_7XX_MPUIO_KEYPAD,
208                 .end    = INT_7XX_MPUIO_KEYPAD,
209                 .flags  = IORESOURCE_IRQ,
210         },
211 };
212
213 static const struct matrix_keymap_data p2_keymap_data = {
214         .keymap         = p2_keymap,
215         .keymap_size    = ARRAY_SIZE(p2_keymap),
216 };
217
218 static struct omap_kp_platform_data kp_data = {
219         .rows           = 8,
220         .cols           = 8,
221         .keymap_data    = &p2_keymap_data,
222         .delay          = 4,
223         .dbounce        = true,
224 };
225
226 static struct platform_device kp_device = {
227         .name           = "omap-keypad",
228         .id             = -1,
229         .dev            = {
230                 .platform_data = &kp_data,
231         },
232         .num_resources  = ARRAY_SIZE(kp_resources),
233         .resource       = kp_resources,
234 };
235
236 static struct platform_device lcd_device = {
237         .name           = "lcd_p2",
238         .id             = -1,
239 };
240
241 static struct platform_device *devices[] __initdata = {
242         &nor_device,
243         &nand_device,
244         &smc91x_device,
245         &kp_device,
246         &lcd_device,
247 };
248
249 static struct omap_lcd_config perseus2_lcd_config __initdata = {
250         .ctrl_name      = "internal",
251 };
252
253 static struct omap_board_config_kernel perseus2_config[] __initdata = {
254         { OMAP_TAG_LCD,         &perseus2_lcd_config },
255 };
256
257 static void __init perseus2_init_smc91x(void)
258 {
259         fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
260         mdelay(50);
261         fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
262                    H2P2_DBG_FPGA_LAN_RESET);
263         mdelay(50);
264 }
265
266 static void __init omap_perseus2_init(void)
267 {
268         perseus2_init_smc91x();
269
270         if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
271                 BUG();
272         gpio_direction_input(P2_NAND_RB_GPIO_PIN);
273
274         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
275         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
276
277         /* Mux pins for keypad */
278         omap_cfg_reg(E2_7XX_KBR0);
279         omap_cfg_reg(J7_7XX_KBR1);
280         omap_cfg_reg(E1_7XX_KBR2);
281         omap_cfg_reg(F3_7XX_KBR3);
282         omap_cfg_reg(D2_7XX_KBR4);
283         omap_cfg_reg(C2_7XX_KBC0);
284         omap_cfg_reg(D3_7XX_KBC1);
285         omap_cfg_reg(E4_7XX_KBC2);
286         omap_cfg_reg(F4_7XX_KBC3);
287         omap_cfg_reg(E3_7XX_KBC4);
288
289         platform_add_devices(devices, ARRAY_SIZE(devices));
290
291         omap_board_config = perseus2_config;
292         omap_board_config_size = ARRAY_SIZE(perseus2_config);
293         omap_serial_init();
294         omap_register_i2c_bus(1, 100, NULL, 0);
295 }
296
297 static void __init omap_perseus2_init_irq(void)
298 {
299         omap1_init_common_hw();
300         omap1_init_irq();
301 }
302 /* Only FPGA needs to be mapped here. All others are done with ioremap */
303 static struct map_desc omap_perseus2_io_desc[] __initdata = {
304         {
305                 .virtual        = H2P2_DBG_FPGA_BASE,
306                 .pfn            = __phys_to_pfn(H2P2_DBG_FPGA_START),
307                 .length         = H2P2_DBG_FPGA_SIZE,
308                 .type           = MT_DEVICE
309         }
310 };
311
312 static void __init omap_perseus2_map_io(void)
313 {
314         omap1_map_common_io();
315         iotable_init(omap_perseus2_io_desc,
316                      ARRAY_SIZE(omap_perseus2_io_desc));
317
318         /* Early, board-dependent init */
319
320         /*
321          * Hold GSM Reset until needed
322          */
323         omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
324
325         /*
326          * UARTs -> done automagically by 8250 driver
327          */
328
329         /*
330          * CSx timings, GPIO Mux ... setup
331          */
332
333         /* Flash: CS0 timings setup */
334         omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
335         omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
336
337         /*
338          * Ethernet support through the debug board
339          * CS1 timings setup
340          */
341         omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
342         omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
343
344         /*
345          * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
346          * It is used as the Ethernet controller interrupt
347          */
348         omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF, OMAP7XX_IO_CONF_9);
349 }
350
351 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
352         /* Maintainer: Kevin Hilman <kjh@hilman.org> */
353         .boot_params    = 0x10000100,
354         .map_io         = omap_perseus2_map_io,
355         .reserve        = omap_reserve,
356         .init_irq       = omap_perseus2_init_irq,
357         .init_machine   = omap_perseus2_init,
358         .timer          = &omap_timer,
359 MACHINE_END