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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 <asm/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 <asm/arch/tc.h> | |
30 | #include <asm/arch/gpio.h> | |
31 | #include <asm/arch/mux.h> | |
32 | #include <asm/arch/fpga.h> | |
33 | #include <asm/arch/keypad.h> | |
34 | #include <asm/arch/common.h> | |
35 | #include <asm/arch/board.h> | |
36 | #include <asm/arch/board-fsample.h> | |
37 | ||
38 | static int fsample_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_CENTER), | |
44 | KEY(0,5,KEY_0_5), | |
45 | KEY(1,0,KEY_SOFT2), | |
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_SOFT1), | |
52 | KEY(2,1,KEY_3), | |
53 | KEY(2,2,KEY_6), | |
54 | KEY(2,3,KEY_9), | |
55 | KEY(2,4,KEY_SHARP), | |
56 | KEY(2,5,KEY_2_5), | |
57 | KEY(3,0,KEY_BACK), | |
58 | KEY(3,1,KEY_2), | |
59 | KEY(3,2,KEY_5), | |
60 | KEY(3,3,KEY_8), | |
61 | KEY(3,4,KEY_0), | |
62 | KEY(3,5,KEY_HEADSETHOOK), | |
63 | KEY(4,0,KEY_HOME), | |
64 | KEY(4,1,KEY_1), | |
65 | KEY(4,2,KEY_4), | |
66 | KEY(4,3,KEY_7), | |
67 | KEY(4,4,KEY_STAR), | |
68 | KEY(4,5,KEY_POWER), | |
69 | 0 | |
70 | }; | |
71 | ||
72 | static struct resource smc91x_resources[] = { | |
73 | [0] = { | |
74 | .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */ | |
75 | .end = H2P2_DBG_FPGA_ETHR_START + 0xf, | |
76 | .flags = IORESOURCE_MEM, | |
77 | }, | |
78 | [1] = { | |
79 | .start = INT_730_MPU_EXT_NIRQ, | |
80 | .end = 0, | |
81 | .flags = IORESOURCE_IRQ, | |
82 | }, | |
83 | }; | |
84 | ||
85 | static struct mtd_partition nor_partitions[] = { | |
86 | /* bootloader (U-Boot, etc) in first sector */ | |
87 | { | |
88 | .name = "bootloader", | |
89 | .offset = 0, | |
90 | .size = SZ_128K, | |
91 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
92 | }, | |
93 | /* bootloader params in the next sector */ | |
94 | { | |
95 | .name = "params", | |
96 | .offset = MTDPART_OFS_APPEND, | |
97 | .size = SZ_128K, | |
98 | .mask_flags = 0, | |
99 | }, | |
100 | /* kernel */ | |
101 | { | |
102 | .name = "kernel", | |
103 | .offset = MTDPART_OFS_APPEND, | |
104 | .size = SZ_2M, | |
105 | .mask_flags = 0 | |
106 | }, | |
107 | /* rest of flash is a file system */ | |
108 | { | |
109 | .name = "rootfs", | |
110 | .offset = MTDPART_OFS_APPEND, | |
111 | .size = MTDPART_SIZ_FULL, | |
112 | .mask_flags = 0 | |
113 | }, | |
114 | }; | |
115 | ||
116 | static struct flash_platform_data nor_data = { | |
117 | .map_name = "cfi_probe", | |
118 | .width = 2, | |
119 | .parts = nor_partitions, | |
120 | .nr_parts = ARRAY_SIZE(nor_partitions), | |
121 | }; | |
122 | ||
123 | static struct resource nor_resource = { | |
124 | .start = OMAP_CS0_PHYS, | |
125 | .end = OMAP_CS0_PHYS + SZ_32M - 1, | |
126 | .flags = IORESOURCE_MEM, | |
127 | }; | |
128 | ||
129 | static struct platform_device nor_device = { | |
130 | .name = "omapflash", | |
131 | .id = 0, | |
132 | .dev = { | |
133 | .platform_data = &nor_data, | |
134 | }, | |
135 | .num_resources = 1, | |
136 | .resource = &nor_resource, | |
137 | }; | |
138 | ||
139 | static struct nand_platform_data nand_data = { | |
140 | .options = NAND_SAMSUNG_LP_OPTIONS, | |
141 | }; | |
142 | ||
143 | static struct resource nand_resource = { | |
144 | .start = OMAP_CS3_PHYS, | |
145 | .end = OMAP_CS3_PHYS + SZ_4K - 1, | |
146 | .flags = IORESOURCE_MEM, | |
147 | }; | |
148 | ||
149 | static struct platform_device nand_device = { | |
150 | .name = "omapnand", | |
151 | .id = 0, | |
152 | .dev = { | |
153 | .platform_data = &nand_data, | |
154 | }, | |
155 | .num_resources = 1, | |
156 | .resource = &nand_resource, | |
157 | }; | |
158 | ||
159 | static struct platform_device smc91x_device = { | |
160 | .name = "smc91x", | |
161 | .id = 0, | |
162 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
163 | .resource = smc91x_resources, | |
164 | }; | |
165 | ||
166 | static struct resource kp_resources[] = { | |
167 | [0] = { | |
168 | .start = INT_730_MPUIO_KEYPAD, | |
169 | .end = INT_730_MPUIO_KEYPAD, | |
170 | .flags = IORESOURCE_IRQ, | |
171 | }, | |
172 | }; | |
173 | ||
174 | static struct omap_kp_platform_data kp_data = { | |
175 | .rows = 8, | |
176 | .cols = 8, | |
177 | .keymap = fsample_keymap, | |
178 | }; | |
179 | ||
180 | static struct platform_device kp_device = { | |
181 | .name = "omap-keypad", | |
182 | .id = -1, | |
183 | .dev = { | |
184 | .platform_data = &kp_data, | |
185 | }, | |
186 | .num_resources = ARRAY_SIZE(kp_resources), | |
187 | .resource = kp_resources, | |
188 | }; | |
189 | ||
190 | static struct platform_device lcd_device = { | |
191 | .name = "lcd_p2", | |
192 | .id = -1, | |
193 | }; | |
194 | ||
195 | static struct platform_device *devices[] __initdata = { | |
196 | &nor_device, | |
197 | &nand_device, | |
198 | &smc91x_device, | |
199 | &kp_device, | |
200 | &lcd_device, | |
201 | }; | |
202 | ||
203 | #define P2_NAND_RB_GPIO_PIN 62 | |
204 | ||
205 | static int nand_dev_ready(struct nand_platform_data *data) | |
206 | { | |
207 | return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN); | |
208 | } | |
209 | ||
210 | static struct omap_uart_config fsample_uart_config __initdata = { | |
211 | .enabled_uarts = ((1 << 0) | (1 << 1)), | |
212 | }; | |
213 | ||
214 | static struct omap_lcd_config fsample_lcd_config __initdata = { | |
215 | .ctrl_name = "internal", | |
216 | }; | |
217 | ||
218 | static struct omap_board_config_kernel fsample_config[] = { | |
219 | { OMAP_TAG_UART, &fsample_uart_config }, | |
220 | { OMAP_TAG_LCD, &fsample_lcd_config }, | |
221 | }; | |
222 | ||
223 | static void __init omap_fsample_init(void) | |
224 | { | |
225 | if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN))) | |
226 | nand_data.dev_ready = nand_dev_ready; | |
227 | ||
228 | omap_cfg_reg(L3_1610_FLASH_CS2B_OE); | |
229 | omap_cfg_reg(M8_1610_FLASH_CS2B_WE); | |
230 | ||
231 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
232 | ||
233 | omap_board_config = fsample_config; | |
234 | omap_board_config_size = ARRAY_SIZE(fsample_config); | |
235 | omap_serial_init(); | |
236 | } | |
237 | ||
238 | static void __init fsample_init_smc91x(void) | |
239 | { | |
240 | fpga_write(1, H2P2_DBG_FPGA_LAN_RESET); | |
241 | mdelay(50); | |
242 | fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1, | |
243 | H2P2_DBG_FPGA_LAN_RESET); | |
244 | mdelay(50); | |
245 | } | |
246 | ||
247 | void omap_fsample_init_irq(void) | |
248 | { | |
249 | omap1_init_common_hw(); | |
250 | omap_init_irq(); | |
251 | omap_gpio_init(); | |
252 | fsample_init_smc91x(); | |
253 | } | |
254 | ||
255 | /* Only FPGA needs to be mapped here. All others are done with ioremap */ | |
256 | static struct map_desc omap_fsample_io_desc[] __initdata = { | |
257 | { | |
258 | .virtual = H2P2_DBG_FPGA_BASE, | |
259 | .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START), | |
260 | .length = H2P2_DBG_FPGA_SIZE, | |
261 | .type = MT_DEVICE | |
262 | }, | |
263 | { | |
264 | .virtual = FSAMPLE_CPLD_BASE, | |
265 | .pfn = __phys_to_pfn(FSAMPLE_CPLD_START), | |
266 | .length = FSAMPLE_CPLD_SIZE, | |
267 | .type = MT_DEVICE | |
268 | } | |
269 | }; | |
270 | ||
271 | static void __init omap_fsample_map_io(void) | |
272 | { | |
273 | omap1_map_common_io(); | |
274 | iotable_init(omap_fsample_io_desc, | |
275 | ARRAY_SIZE(omap_fsample_io_desc)); | |
276 | ||
277 | /* Early, board-dependent init */ | |
278 | ||
279 | /* | |
280 | * Hold GSM Reset until needed | |
281 | */ | |
282 | omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL); | |
283 | ||
284 | /* | |
285 | * UARTs -> done automagically by 8250 driver | |
286 | */ | |
287 | ||
288 | /* | |
289 | * CSx timings, GPIO Mux ... setup | |
290 | */ | |
291 | ||
292 | /* Flash: CS0 timings setup */ | |
293 | omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0); | |
294 | omap_writel(0x00000088, OMAP730_FLASH_ACFG_0); | |
295 | ||
296 | /* | |
297 | * Ethernet support through the debug board | |
298 | * CS1 timings setup | |
299 | */ | |
300 | omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1); | |
301 | omap_writel(0x00000000, OMAP730_FLASH_ACFG_1); | |
302 | ||
303 | /* | |
304 | * Configure MPU_EXT_NIRQ IO in IO_CONF9 register, | |
305 | * It is used as the Ethernet controller interrupt | |
306 | */ | |
307 | omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9); | |
308 | } | |
309 | ||
310 | MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample") | |
311 | /* Maintainer: Brian Swetland <swetland@google.com> */ | |
312 | .phys_io = 0xfff00000, | |
313 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, | |
314 | .boot_params = 0x10000100, | |
315 | .map_io = omap_fsample_map_io, | |
316 | .init_irq = omap_fsample_init_irq, | |
317 | .init_machine = omap_fsample_init, | |
318 | .timer = &omap_timer, | |
319 | MACHINE_END |