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authorBrian Swetland <swetland@google.com>2006-06-26 19:16:03 -0400
committerTony Lindgren <tony@atomide.com>2006-06-26 19:16:03 -0400
commit495f71db30e279a5a696fa6622fc75451caa8366 (patch)
tree84c923fe4688dc88ecf696885a13b7ad42695100 /arch/arm/mach-omap1/board-fsample.c
parentffb7a80f932550590ef54791b60db7e6ffce63f3 (diff)
ARM: OMAP: Add core fsample support
This patch adds core support for the TI F-Sample Board (OMAP 850). Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap1/board-fsample.c')
-rw-r--r--arch/arm/mach-omap1/board-fsample.c319
1 files changed, 319 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c
new file mode 100644
index 000000000000..c753a3c5aadd
--- /dev/null
+++ b/arch/arm/mach-omap1/board-fsample.c
@@ -0,0 +1,319 @@
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
38static 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
72static 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
85static 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
116static 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
123static struct resource nor_resource = {
124 .start = OMAP_CS0_PHYS,
125 .end = OMAP_CS0_PHYS + SZ_32M - 1,
126 .flags = IORESOURCE_MEM,
127};
128
129static 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
139static struct nand_platform_data nand_data = {
140 .options = NAND_SAMSUNG_LP_OPTIONS,
141};
142
143static struct resource nand_resource = {
144 .start = OMAP_CS3_PHYS,
145 .end = OMAP_CS3_PHYS + SZ_4K - 1,
146 .flags = IORESOURCE_MEM,
147};
148
149static 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
159static struct platform_device smc91x_device = {
160 .name = "smc91x",
161 .id = 0,
162 .num_resources = ARRAY_SIZE(smc91x_resources),
163 .resource = smc91x_resources,
164};
165
166static 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
174static struct omap_kp_platform_data kp_data = {
175 .rows = 8,
176 .cols = 8,
177 .keymap = fsample_keymap,
178};
179
180static 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
190static struct platform_device lcd_device = {
191 .name = "lcd_p2",
192 .id = -1,
193};
194
195static 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
205static int nand_dev_ready(struct nand_platform_data *data)
206{
207 return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
208}
209
210static struct omap_uart_config fsample_uart_config __initdata = {
211 .enabled_uarts = ((1 << 0) | (1 << 1)),
212};
213
214static struct omap_lcd_config fsample_lcd_config __initdata = {
215 .ctrl_name = "internal",
216};
217
218static struct omap_board_config_kernel fsample_config[] = {
219 { OMAP_TAG_UART, &fsample_uart_config },
220 { OMAP_TAG_LCD, &fsample_lcd_config },
221};
222
223static 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
238static 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
247void 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 */
256static 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
271static 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
310MACHINE_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,
319MACHINE_END