1 /*
2 * linux/arch/arm/mach-omap1/board-fsample.c
3 *
4 * Modified from board-perseus2.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 #include <mach/board-fsample.h>
38
39 static int fsample_keymap[] = {
40 KEY(0,0,KEY_UP),
41 KEY(0,1,KEY_RIGHT),
42 KEY(0,2,KEY_LEFT),
43 KEY(0,3,KEY_DOWN),
44 KEY(0,4,KEY_ENTER),
45 KEY(1,0,KEY_F10),
46 KEY(1,1,KEY_SEND),
47 KEY(1,2,KEY_END),
48 KEY(1,3,KEY_VOLUMEDOWN),
49 KEY(1,4,KEY_VOLUMEUP),
50 KEY(1,5,KEY_RECORD),
51 KEY(2,0,KEY_F9),
52 KEY(2,1,KEY_3),
53 KEY(2,2,KEY_6),
54 KEY(2,3,KEY_9),
55 KEY(2,4,KEY_KPDOT),
56 KEY(3,0,KEY_BACK),
57 KEY(3,1,KEY_2),
58 KEY(3,2,KEY_5),
59 KEY(3,3,KEY_8),
60 KEY(3,4,KEY_0),
61 KEY(3,5,KEY_KPSLASH),
62 KEY(4,0,KEY_HOME),
63 KEY(4,1,KEY_1),
64 KEY(4,2,KEY_4),
65 KEY(4,3,KEY_7),
66 KEY(4,4,KEY_KPASTERISK),
67 KEY(4,5,KEY_POWER),
68 0
69 };
70
71 static struct resource smc91x_resources[] = {
72 [0] = {
73 .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
74 .end = H2P2_DBG_FPGA_ETHR_START + 0xf,
75 .flags = IORESOURCE_MEM,
76 },
77 [1] = {
78 .start = INT_730_MPU_EXT_NIRQ,
79 .end = 0,
80 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
81 },
82 };
83
84 static struct mtd_partition nor_partitions[] = {
85 /* bootloader (U-Boot, etc) in first sector */
86 {
87 .name = "bootloader",
88 .offset = 0,
89 .size = SZ_128K,
90 .mask_flags = MTD_WRITEABLE, /* force read-only */
91 },
92 /* bootloader params in the next sector */
93 {
94 .name = "params",
95 .offset = MTDPART_OFS_APPEND,
96 .size = SZ_128K,
97 .mask_flags = 0,
98 },
99 /* kernel */
100 {
101 .name = "kernel",
102 .offset = MTDPART_OFS_APPEND,
103 .size = SZ_2M,
104 .mask_flags = 0
105 },
106 /* rest of flash is a file system */
107 {
108 .name = "rootfs",
109 .offset = MTDPART_OFS_APPEND,
110 .size = MTDPART_SIZ_FULL,
111 .mask_flags = 0
112 },
113 };
114
115 static struct flash_platform_data nor_data = {
116 .map_name = "cfi_probe",
117 .width = 2,
118 .parts = nor_partitions,
119 .nr_parts = ARRAY_SIZE(nor_partitions),
120 };
121
122 static struct resource nor_resource = {
123 .start = OMAP_CS0_PHYS,
124 .end = OMAP_CS0_PHYS + SZ_32M - 1,
125 .flags = IORESOURCE_MEM,
126 };
127
128 static struct platform_device nor_device = {
129 .name = "omapflash",
130 .id = 0,
131 .dev = {
132 .platform_data = &nor_data,
133 },
134 .num_resources = 1,
135 .resource = &nor_resource,
136 };
137
138 static struct omap_nand_platform_data nand_data = {
139 .options = NAND_SAMSUNG_LP_OPTIONS,
140 };
141
142 static struct resource nand_resource = {
143 .start = OMAP_CS3_PHYS,
144 .end = OMAP_CS3_PHYS + SZ_4K - 1,
145 .flags = IORESOURCE_MEM,
146 };
147
148 static struct platform_device nand_device = {
149 .name = "omapnand",
150 .id = 0,
151 .dev = {
152 .platform_data = &nand_data,
153 },
154 .num_resources = 1,
155 .resource = &nand_resource,
156 };
157
158 static struct platform_device smc91x_device = {
159 .name = "smc91x",
160 .id = 0,
161 .num_resources = ARRAY_SIZE(smc91x_resources),
162 .resource = smc91x_resources,
163 };
164
165 static struct resource kp_resources[] = {
166 [0] = {
167 .start = INT_730_MPUIO_KEYPAD,
168 .end = INT_730_MPUIO_KEYPAD,
169 .flags = IORESOURCE_IRQ,
170 },
171 };
172
173 static struct omap_kp_platform_data kp_data = {
174 .rows = 8,
175 .cols = 8,
176 .keymap = fsample_keymap,
177 .keymapsize = ARRAY_SIZE(fsample_keymap),
178 .delay = 4,
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 fsample_uart_config __initdata = {
212 .enabled_uarts = ((1 << 0) | (1 << 1)),
213 };
214
215 static struct omap_lcd_config fsample_lcd_config __initdata = {
216 .ctrl_name = "internal",
217 };
218
219 static struct omap_board_config_kernel fsample_config[] = {
220 { OMAP_TAG_UART, &fsample_uart_config },
221 { OMAP_TAG_LCD, &fsample_lcd_config },
222 };
223
omap_fsample_init(void)224 static void __init omap_fsample_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 = fsample_config;
236 omap_board_config_size = ARRAY_SIZE(fsample_config);
237 omap_serial_init();
238 omap_register_i2c_bus(1, 100, NULL, 0);
239 }
240
fsample_init_smc91x(void)241 static void __init fsample_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_fsample_init_irq(void)250 static void __init omap_fsample_init_irq(void)
251 {
252 omap1_init_common_hw();
253 omap_init_irq();
254 omap_gpio_init();
255 fsample_init_smc91x();
256 }
257
258 /* Only FPGA needs to be mapped here. All others are done with ioremap */
259 static struct map_desc omap_fsample_io_desc[] __initdata = {
260 {
261 .virtual = H2P2_DBG_FPGA_BASE,
262 .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
263 .length = H2P2_DBG_FPGA_SIZE,
264 .type = MT_DEVICE
265 },
266 {
267 .virtual = FSAMPLE_CPLD_BASE,
268 .pfn = __phys_to_pfn(FSAMPLE_CPLD_START),
269 .length = FSAMPLE_CPLD_SIZE,
270 .type = MT_DEVICE
271 }
272 };
273
omap_fsample_map_io(void)274 static void __init omap_fsample_map_io(void)
275 {
276 omap1_map_common_io();
277 iotable_init(omap_fsample_io_desc,
278 ARRAY_SIZE(omap_fsample_io_desc));
279
280 /* Early, board-dependent init */
281
282 /*
283 * Hold GSM Reset until needed
284 */
285 omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
286
287 /*
288 * UARTs -> done automagically by 8250 driver
289 */
290
291 /*
292 * CSx timings, GPIO Mux ... setup
293 */
294
295 /* Flash: CS0 timings setup */
296 omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
297 omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
298
299 /*
300 * Ethernet support through the debug board
301 * CS1 timings setup
302 */
303 omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
304 omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
305
306 /*
307 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
308 * It is used as the Ethernet controller interrupt
309 */
310 omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
311 }
312
313 MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
314 /* Maintainer: Brian Swetland <swetland@google.com> */
315 .phys_io = 0xfff00000,
316 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
317 .boot_params = 0x10000100,
318 .map_io = omap_fsample_map_io,
319 .init_irq = omap_fsample_init_irq,
320 .init_machine = omap_fsample_init,
321 .timer = &omap_timer,
322 MACHINE_END
323