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/input.h>
22
23 #include <mach/hardware.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/flash.h>
27 #include <asm/mach/map.h>
28
29 #include <mach/tc.h>
30 #include <mach/gpio.h>
31 #include <mach/mux.h>
32 #include <mach/fpga.h>
33 #include <mach/nand.h>
34 #include <mach/keypad.h>
35 #include <mach/common.h>
36 #include <mach/board.h>
37
38 static int p2_keymap[] = {
39 KEY(0,0,KEY_UP),
40 KEY(0,1,KEY_RIGHT),
41 KEY(0,2,KEY_LEFT),
42 KEY(0,3,KEY_DOWN),
43 KEY(0,4,KEY_ENTER),
44 KEY(1,0,KEY_F10),
45 KEY(1,1,KEY_SEND),
46 KEY(1,2,KEY_END),
47 KEY(1,3,KEY_VOLUMEDOWN),
48 KEY(1,4,KEY_VOLUMEUP),
49 KEY(1,5,KEY_RECORD),
50 KEY(2,0,KEY_F9),
51 KEY(2,1,KEY_3),
52 KEY(2,2,KEY_6),
53 KEY(2,3,KEY_9),
54 KEY(2,4,KEY_KPDOT),
55 KEY(3,0,KEY_BACK),
56 KEY(3,1,KEY_2),
57 KEY(3,2,KEY_5),
58 KEY(3,3,KEY_8),
59 KEY(3,4,KEY_0),
60 KEY(3,5,KEY_KPSLASH),
61 KEY(4,0,KEY_HOME),
62 KEY(4,1,KEY_1),
63 KEY(4,2,KEY_4),
64 KEY(4,3,KEY_7),
65 KEY(4,4,KEY_KPASTERISK),
66 KEY(4,5,KEY_POWER),
67 0
68 };
69
70 static struct resource smc91x_resources[] = {
71 [0] = {
72 .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
73 .end = H2P2_DBG_FPGA_ETHR_START + 0xf,
74 .flags = IORESOURCE_MEM,
75 },
76 [1] = {
77 .start = INT_730_MPU_EXT_NIRQ,
78 .end = 0,
79 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
80 },
81 };
82
83 static struct mtd_partition nor_partitions[] = {
84 /* bootloader (U-Boot, etc) in first sector */
85 {
86 .name = "bootloader",
87 .offset = 0,
88 .size = SZ_128K,
89 .mask_flags = MTD_WRITEABLE, /* force read-only */
90 },
91 /* bootloader params in the next sector */
92 {
93 .name = "params",
94 .offset = MTDPART_OFS_APPEND,
95 .size = SZ_128K,
96 .mask_flags = 0,
97 },
98 /* kernel */
99 {
100 .name = "kernel",
101 .offset = MTDPART_OFS_APPEND,
102 .size = SZ_2M,
103 .mask_flags = 0
104 },
105 /* rest of flash is a file system */
106 {
107 .name = "rootfs",
108 .offset = MTDPART_OFS_APPEND,
109 .size = MTDPART_SIZ_FULL,
110 .mask_flags = 0
111 },
112 };
113
114 static struct flash_platform_data nor_data = {
115 .map_name = "cfi_probe",
116 .width = 2,
117 .parts = nor_partitions,
118 .nr_parts = ARRAY_SIZE(nor_partitions),
119 };
120
121 static struct resource nor_resource = {
122 .start = OMAP_CS0_PHYS,
123 .end = OMAP_CS0_PHYS + SZ_32M - 1,
124 .flags = IORESOURCE_MEM,
125 };
126
127 static struct platform_device nor_device = {
128 .name = "omapflash",
129 .id = 0,
130 .dev = {
131 .platform_data = &nor_data,
132 },
133 .num_resources = 1,
134 .resource = &nor_resource,
135 };
136
137 static struct omap_nand_platform_data nand_data = {
138 .options = NAND_SAMSUNG_LP_OPTIONS,
139 };
140
141 static struct resource nand_resource = {
142 .start = OMAP_CS3_PHYS,
143 .end = OMAP_CS3_PHYS + SZ_4K - 1,
144 .flags = IORESOURCE_MEM,
145 };
146
147 static struct platform_device nand_device = {
148 .name = "omapnand",
149 .id = 0,
150 .dev = {
151 .platform_data = &nand_data,
152 },
153 .num_resources = 1,
154 .resource = &nand_resource,
155 };
156
157 static struct platform_device smc91x_device = {
158 .name = "smc91x",
159 .id = 0,
160 .num_resources = ARRAY_SIZE(smc91x_resources),
161 .resource = smc91x_resources,
162 };
163
164 static struct resource kp_resources[] = {
165 [0] = {
166 .start = INT_730_MPUIO_KEYPAD,
167 .end = INT_730_MPUIO_KEYPAD,
168 .flags = IORESOURCE_IRQ,
169 },
170 };
171
172 static struct omap_kp_platform_data kp_data = {
173 .rows = 8,
174 .cols = 8,
175 .keymap = p2_keymap,
176 .keymapsize = ARRAY_SIZE(p2_keymap),
177 .delay = 4,
178 .dbounce = 1,
179 };
180
181 static struct platform_device kp_device = {
182 .name = "omap-keypad",
183 .id = -1,
184 .dev = {
185 .platform_data = &kp_data,
186 },
187 .num_resources = ARRAY_SIZE(kp_resources),
188 .resource = kp_resources,
189 };
190
191 static struct platform_device lcd_device = {
192 .name = "lcd_p2",
193 .id = -1,
194 };
195
196 static struct platform_device *devices[] __initdata = {
197 &nor_device,
198 &nand_device,
199 &smc91x_device,
200 &kp_device,
201 &lcd_device,
202 };
203
204 #define P2_NAND_RB_GPIO_PIN 62
205
nand_dev_ready(struct omap_nand_platform_data * data)206 static int nand_dev_ready(struct omap_nand_platform_data *data)
207 {
208 return gpio_get_value(P2_NAND_RB_GPIO_PIN);
209 }
210
211 static struct omap_uart_config perseus2_uart_config __initdata = {
212 .enabled_uarts = ((1 << 0) | (1 << 1)),
213 };
214
215 static struct omap_lcd_config perseus2_lcd_config __initdata = {
216 .ctrl_name = "internal",
217 };
218
219 static struct omap_board_config_kernel perseus2_config[] __initdata = {
220 { OMAP_TAG_UART, &perseus2_uart_config },
221 { OMAP_TAG_LCD, &perseus2_lcd_config },
222 };
223
omap_perseus2_init(void)224 static void __init omap_perseus2_init(void)
225 {
226 if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
227 BUG();
228 nand_data.dev_ready = nand_dev_ready;
229
230 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
231 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
232
233 platform_add_devices(devices, ARRAY_SIZE(devices));
234
235 omap_board_config = perseus2_config;
236 omap_board_config_size = ARRAY_SIZE(perseus2_config);
237 omap_serial_init();
238 omap_register_i2c_bus(1, 100, NULL, 0);
239 }
240
perseus2_init_smc91x(void)241 static void __init perseus2_init_smc91x(void)
242 {
243 fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
244 mdelay(50);
245 fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
246 H2P2_DBG_FPGA_LAN_RESET);
247 mdelay(50);
248 }
249
omap_perseus2_init_irq(void)250 static void __init omap_perseus2_init_irq(void)
251 {
252 omap1_init_common_hw();
253 omap_init_irq();
254 omap_gpio_init();
255 perseus2_init_smc91x();
256 }
257 /* Only FPGA needs to be mapped here. All others are done with ioremap */
258 static struct map_desc omap_perseus2_io_desc[] __initdata = {
259 {
260 .virtual = H2P2_DBG_FPGA_BASE,
261 .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
262 .length = H2P2_DBG_FPGA_SIZE,
263 .type = MT_DEVICE
264 }
265 };
266
omap_perseus2_map_io(void)267 static void __init omap_perseus2_map_io(void)
268 {
269 omap1_map_common_io();
270 iotable_init(omap_perseus2_io_desc,
271 ARRAY_SIZE(omap_perseus2_io_desc));
272
273 /* Early, board-dependent init */
274
275 /*
276 * Hold GSM Reset until needed
277 */
278 omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
279
280 /*
281 * UARTs -> done automagically by 8250 driver
282 */
283
284 /*
285 * CSx timings, GPIO Mux ... setup
286 */
287
288 /* Flash: CS0 timings setup */
289 omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
290 omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
291
292 /*
293 * Ethernet support through the debug board
294 * CS1 timings setup
295 */
296 omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
297 omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
298
299 /*
300 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
301 * It is used as the Ethernet controller interrupt
302 */
303 omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
304 }
305
306 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
307 /* Maintainer: Kevin Hilman <kjh@hilman.org> */
308 .phys_io = 0xfff00000,
309 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
310 .boot_params = 0x10000100,
311 .map_io = omap_perseus2_map_io,
312 .init_irq = omap_perseus2_init_irq,
313 .init_machine = omap_perseus2_init,
314 .timer = &omap_timer,
315 MACHINE_END
316