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>
22 #include <linux/smc91x.h>
24 #include <mach/hardware.h>
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/flash.h>
28 #include <asm/mach/map.h>
31 #include <mach/gpio.h>
33 #include <plat/fpga.h>
34 #include <plat/keypad.h>
35 #include <plat/common.h>
36 #include <plat/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 smc91x_platdata smc91x_info = {
71 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
72 .leda = RPC_LED_100_10,
73 .ledb = RPC_LED_TX_RX,
76 static struct resource smc91x_resources[] = {
78 .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
79 .end = H2P2_DBG_FPGA_ETHR_START + 0xf,
80 .flags = IORESOURCE_MEM,
83 .start = INT_7XX_MPU_EXT_NIRQ,
85 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
89 static struct mtd_partition nor_partitions[] = {
90 /* bootloader (U-Boot, etc) in first sector */
95 .mask_flags = MTD_WRITEABLE, /* force read-only */
97 /* bootloader params in the next sector */
100 .offset = MTDPART_OFS_APPEND,
107 .offset = MTDPART_OFS_APPEND,
111 /* rest of flash is a file system */
114 .offset = MTDPART_OFS_APPEND,
115 .size = MTDPART_SIZ_FULL,
120 static struct flash_platform_data nor_data = {
121 .map_name = "cfi_probe",
123 .parts = nor_partitions,
124 .nr_parts = ARRAY_SIZE(nor_partitions),
127 static struct resource nor_resource = {
128 .start = OMAP_CS0_PHYS,
129 .end = OMAP_CS0_PHYS + SZ_32M - 1,
130 .flags = IORESOURCE_MEM,
133 static struct platform_device nor_device = {
137 .platform_data = &nor_data,
140 .resource = &nor_resource,
143 static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
145 struct nand_chip *this = mtd->priv;
148 if (cmd == NAND_CMD_NONE)
151 mask = (ctrl & NAND_CLE) ? 0x02 : 0;
154 writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
157 #define P2_NAND_RB_GPIO_PIN 62
159 static int nand_dev_ready(struct mtd_info *mtd)
161 return gpio_get_value(P2_NAND_RB_GPIO_PIN);
164 static const char *part_probes[] = { "cmdlinepart", NULL };
166 static struct platform_nand_data nand_data = {
170 .options = NAND_SAMSUNG_LP_OPTIONS,
171 .part_probe_types = part_probes,
174 .cmd_ctrl = nand_cmd_ctl,
175 .dev_ready = nand_dev_ready,
179 static struct resource nand_resource = {
180 .start = OMAP_CS3_PHYS,
181 .end = OMAP_CS3_PHYS + SZ_4K - 1,
182 .flags = IORESOURCE_MEM,
185 static struct platform_device nand_device = {
189 .platform_data = &nand_data,
192 .resource = &nand_resource,
195 static struct platform_device smc91x_device = {
199 .platform_data = &smc91x_info,
201 .num_resources = ARRAY_SIZE(smc91x_resources),
202 .resource = smc91x_resources,
205 static struct resource kp_resources[] = {
207 .start = INT_7XX_MPUIO_KEYPAD,
208 .end = INT_7XX_MPUIO_KEYPAD,
209 .flags = IORESOURCE_IRQ,
213 static struct omap_kp_platform_data kp_data = {
217 .keymapsize = ARRAY_SIZE(p2_keymap),
222 static struct platform_device kp_device = {
223 .name = "omap-keypad",
226 .platform_data = &kp_data,
228 .num_resources = ARRAY_SIZE(kp_resources),
229 .resource = kp_resources,
232 static struct platform_device lcd_device = {
237 static struct platform_device *devices[] __initdata = {
245 static struct omap_lcd_config perseus2_lcd_config __initdata = {
246 .ctrl_name = "internal",
249 static struct omap_board_config_kernel perseus2_config[] __initdata = {
250 { OMAP_TAG_LCD, &perseus2_lcd_config },
253 static void __init omap_perseus2_init(void)
255 if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
257 gpio_direction_input(P2_NAND_RB_GPIO_PIN);
259 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
260 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
262 platform_add_devices(devices, ARRAY_SIZE(devices));
264 omap_board_config = perseus2_config;
265 omap_board_config_size = ARRAY_SIZE(perseus2_config);
267 omap_register_i2c_bus(1, 100, NULL, 0);
270 static void __init perseus2_init_smc91x(void)
272 fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
274 fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
275 H2P2_DBG_FPGA_LAN_RESET);
279 static void __init omap_perseus2_init_irq(void)
281 omap1_init_common_hw();
284 perseus2_init_smc91x();
286 /* Only FPGA needs to be mapped here. All others are done with ioremap */
287 static struct map_desc omap_perseus2_io_desc[] __initdata = {
289 .virtual = H2P2_DBG_FPGA_BASE,
290 .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
291 .length = H2P2_DBG_FPGA_SIZE,
296 static void __init omap_perseus2_map_io(void)
298 omap1_map_common_io();
299 iotable_init(omap_perseus2_io_desc,
300 ARRAY_SIZE(omap_perseus2_io_desc));
302 /* Early, board-dependent init */
305 * Hold GSM Reset until needed
307 omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
310 * UARTs -> done automagically by 8250 driver
314 * CSx timings, GPIO Mux ... setup
317 /* Flash: CS0 timings setup */
318 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
319 omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
322 * Ethernet support through the debug board
325 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
326 omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
329 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
330 * It is used as the Ethernet controller interrupt
332 omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF, OMAP7XX_IO_CONF_9);
335 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
336 /* Maintainer: Kevin Hilman <kjh@hilman.org> */
337 .phys_io = 0xfff00000,
338 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
339 .boot_params = 0x10000100,
340 .map_io = omap_perseus2_map_io,
341 .init_irq = omap_perseus2_init_irq,
342 .init_machine = omap_perseus2_init,
343 .timer = &omap_timer,