2 * linux/arch/arm/mach-omap1/board-perseus2.c
4 * Modified from board-generic.c
6 * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
7 * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
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.
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>
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>
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/nand.h>
34 #include <asm/arch/keypad.h>
35 #include <asm/arch/common.h>
36 #include <asm/arch/board.h>
38 static int p2_keymap[] = {
47 KEY(1,3,KEY_VOLUMEDOWN),
48 KEY(1,4,KEY_VOLUMEUP),
65 KEY(4,4,KEY_KPASTERISK),
70 static struct resource smc91x_resources[] = {
72 .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
73 .end = H2P2_DBG_FPGA_ETHR_START + 0xf,
74 .flags = IORESOURCE_MEM,
77 .start = INT_730_MPU_EXT_NIRQ,
79 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
83 static struct mtd_partition nor_partitions[] = {
84 /* bootloader (U-Boot, etc) in first sector */
89 .mask_flags = MTD_WRITEABLE, /* force read-only */
91 /* bootloader params in the next sector */
94 .offset = MTDPART_OFS_APPEND,
101 .offset = MTDPART_OFS_APPEND,
105 /* rest of flash is a file system */
108 .offset = MTDPART_OFS_APPEND,
109 .size = MTDPART_SIZ_FULL,
114 static struct flash_platform_data nor_data = {
115 .map_name = "cfi_probe",
117 .parts = nor_partitions,
118 .nr_parts = ARRAY_SIZE(nor_partitions),
121 static struct resource nor_resource = {
122 .start = OMAP_CS0_PHYS,
123 .end = OMAP_CS0_PHYS + SZ_32M - 1,
124 .flags = IORESOURCE_MEM,
127 static struct platform_device nor_device = {
131 .platform_data = &nor_data,
134 .resource = &nor_resource,
137 static struct omap_nand_platform_data nand_data = {
138 .options = NAND_SAMSUNG_LP_OPTIONS,
141 static struct resource nand_resource = {
142 .start = OMAP_CS3_PHYS,
143 .end = OMAP_CS3_PHYS + SZ_4K - 1,
144 .flags = IORESOURCE_MEM,
147 static struct platform_device nand_device = {
151 .platform_data = &nand_data,
154 .resource = &nand_resource,
157 static struct platform_device smc91x_device = {
160 .num_resources = ARRAY_SIZE(smc91x_resources),
161 .resource = smc91x_resources,
164 static struct resource kp_resources[] = {
166 .start = INT_730_MPUIO_KEYPAD,
167 .end = INT_730_MPUIO_KEYPAD,
168 .flags = IORESOURCE_IRQ,
172 static struct omap_kp_platform_data kp_data = {
176 .keymapsize = ARRAY_SIZE(p2_keymap),
181 static struct platform_device kp_device = {
182 .name = "omap-keypad",
185 .platform_data = &kp_data,
187 .num_resources = ARRAY_SIZE(kp_resources),
188 .resource = kp_resources,
191 static struct platform_device lcd_device = {
196 static struct platform_device *devices[] __initdata = {
204 #define P2_NAND_RB_GPIO_PIN 62
206 static int nand_dev_ready(struct omap_nand_platform_data *data)
208 return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
211 static struct omap_uart_config perseus2_uart_config __initdata = {
212 .enabled_uarts = ((1 << 0) | (1 << 1)),
215 static struct omap_lcd_config perseus2_lcd_config __initdata = {
216 .ctrl_name = "internal",
219 static struct omap_board_config_kernel perseus2_config[] = {
220 { OMAP_TAG_UART, &perseus2_uart_config },
221 { OMAP_TAG_LCD, &perseus2_lcd_config },
224 static void __init omap_perseus2_init(void)
226 if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
227 nand_data.dev_ready = nand_dev_ready;
229 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
230 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
232 platform_add_devices(devices, ARRAY_SIZE(devices));
234 omap_board_config = perseus2_config;
235 omap_board_config_size = ARRAY_SIZE(perseus2_config);
239 static void __init perseus2_init_smc91x(void)
241 fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
243 fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
244 H2P2_DBG_FPGA_LAN_RESET);
248 static void __init omap_perseus2_init_irq(void)
250 omap1_init_common_hw();
253 perseus2_init_smc91x();
255 /* Only FPGA needs to be mapped here. All others are done with ioremap */
256 static struct map_desc omap_perseus2_io_desc[] __initdata = {
258 .virtual = H2P2_DBG_FPGA_BASE,
259 .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
260 .length = H2P2_DBG_FPGA_SIZE,
265 static void __init omap_perseus2_map_io(void)
267 omap1_map_common_io();
268 iotable_init(omap_perseus2_io_desc,
269 ARRAY_SIZE(omap_perseus2_io_desc));
271 /* Early, board-dependent init */
274 * Hold GSM Reset until needed
276 omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
279 * UARTs -> done automagically by 8250 driver
283 * CSx timings, GPIO Mux ... setup
286 /* Flash: CS0 timings setup */
287 omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
288 omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
291 * Ethernet support through the debug board
294 omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
295 omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
298 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
299 * It is used as the Ethernet controller interrupt
301 omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
304 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
305 /* Maintainer: Kevin Hilman <kjh@hilman.org> */
306 .phys_io = 0xfff00000,
307 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
308 .boot_params = 0x10000100,
309 .map_io = omap_perseus2_map_io,
310 .init_irq = omap_perseus2_init_irq,
311 .init_machine = omap_perseus2_init,
312 .timer = &omap_timer,