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/mtd/physmap.h>
22 #include <linux/input.h>
23 #include <linux/smc91x.h>
25 #include <mach/hardware.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
31 #include <mach/gpio.h>
33 #include <plat/fpga.h>
34 #include <plat/flash.h>
35 #include <plat/keypad.h>
36 #include <plat/common.h>
37 #include <plat/board.h>
39 static int p2_keymap[] = {
48 KEY(1,3,KEY_VOLUMEDOWN),
49 KEY(1,4,KEY_VOLUMEUP),
66 KEY(4,4,KEY_KPASTERISK),
71 static struct smc91x_platdata smc91x_info = {
72 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
73 .leda = RPC_LED_100_10,
74 .ledb = RPC_LED_TX_RX,
77 static struct resource smc91x_resources[] = {
79 .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
80 .end = H2P2_DBG_FPGA_ETHR_START + 0xf,
81 .flags = IORESOURCE_MEM,
84 .start = INT_7XX_MPU_EXT_NIRQ,
86 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
90 static struct mtd_partition nor_partitions[] = {
91 /* bootloader (U-Boot, etc) in first sector */
96 .mask_flags = MTD_WRITEABLE, /* force read-only */
98 /* bootloader params in the next sector */
101 .offset = MTDPART_OFS_APPEND,
108 .offset = MTDPART_OFS_APPEND,
112 /* rest of flash is a file system */
115 .offset = MTDPART_OFS_APPEND,
116 .size = MTDPART_SIZ_FULL,
121 static struct physmap_flash_data nor_data = {
123 .set_vpp = omap1_set_vpp,
124 .parts = nor_partitions,
125 .nr_parts = ARRAY_SIZE(nor_partitions),
128 static struct resource nor_resource = {
129 .start = OMAP_CS0_PHYS,
130 .end = OMAP_CS0_PHYS + SZ_32M - 1,
131 .flags = IORESOURCE_MEM,
134 static struct platform_device nor_device = {
135 .name = "physmap-flash",
138 .platform_data = &nor_data,
141 .resource = &nor_resource,
144 static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
146 struct nand_chip *this = mtd->priv;
149 if (cmd == NAND_CMD_NONE)
152 mask = (ctrl & NAND_CLE) ? 0x02 : 0;
155 writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
158 #define P2_NAND_RB_GPIO_PIN 62
160 static int nand_dev_ready(struct mtd_info *mtd)
162 return gpio_get_value(P2_NAND_RB_GPIO_PIN);
165 static const char *part_probes[] = { "cmdlinepart", NULL };
167 static struct platform_nand_data nand_data = {
171 .options = NAND_SAMSUNG_LP_OPTIONS,
172 .part_probe_types = part_probes,
175 .cmd_ctrl = nand_cmd_ctl,
176 .dev_ready = nand_dev_ready,
180 static struct resource nand_resource = {
181 .start = OMAP_CS3_PHYS,
182 .end = OMAP_CS3_PHYS + SZ_4K - 1,
183 .flags = IORESOURCE_MEM,
186 static struct platform_device nand_device = {
190 .platform_data = &nand_data,
193 .resource = &nand_resource,
196 static struct platform_device smc91x_device = {
200 .platform_data = &smc91x_info,
202 .num_resources = ARRAY_SIZE(smc91x_resources),
203 .resource = smc91x_resources,
206 static struct resource kp_resources[] = {
208 .start = INT_7XX_MPUIO_KEYPAD,
209 .end = INT_7XX_MPUIO_KEYPAD,
210 .flags = IORESOURCE_IRQ,
214 static struct omap_kp_platform_data kp_data = {
218 .keymapsize = ARRAY_SIZE(p2_keymap),
223 static struct platform_device kp_device = {
224 .name = "omap-keypad",
227 .platform_data = &kp_data,
229 .num_resources = ARRAY_SIZE(kp_resources),
230 .resource = kp_resources,
233 static struct platform_device lcd_device = {
238 static struct platform_device *devices[] __initdata = {
246 static struct omap_lcd_config perseus2_lcd_config __initdata = {
247 .ctrl_name = "internal",
250 static struct omap_board_config_kernel perseus2_config[] __initdata = {
251 { OMAP_TAG_LCD, &perseus2_lcd_config },
254 static void __init omap_perseus2_init(void)
256 if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
258 gpio_direction_input(P2_NAND_RB_GPIO_PIN);
260 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
261 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
263 platform_add_devices(devices, ARRAY_SIZE(devices));
265 omap_board_config = perseus2_config;
266 omap_board_config_size = ARRAY_SIZE(perseus2_config);
268 omap_register_i2c_bus(1, 100, NULL, 0);
271 static void __init perseus2_init_smc91x(void)
273 fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
275 fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
276 H2P2_DBG_FPGA_LAN_RESET);
280 static void __init omap_perseus2_init_irq(void)
282 omap1_init_common_hw();
285 perseus2_init_smc91x();
287 /* Only FPGA needs to be mapped here. All others are done with ioremap */
288 static struct map_desc omap_perseus2_io_desc[] __initdata = {
290 .virtual = H2P2_DBG_FPGA_BASE,
291 .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
292 .length = H2P2_DBG_FPGA_SIZE,
297 static void __init omap_perseus2_map_io(void)
299 omap1_map_common_io();
300 iotable_init(omap_perseus2_io_desc,
301 ARRAY_SIZE(omap_perseus2_io_desc));
303 /* Early, board-dependent init */
306 * Hold GSM Reset until needed
308 omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
311 * UARTs -> done automagically by 8250 driver
315 * CSx timings, GPIO Mux ... setup
318 /* Flash: CS0 timings setup */
319 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
320 omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
323 * Ethernet support through the debug board
326 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
327 omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
330 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
331 * It is used as the Ethernet controller interrupt
333 omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF, OMAP7XX_IO_CONF_9);
336 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
337 /* Maintainer: Kevin Hilman <kjh@hilman.org> */
338 .phys_io = 0xfff00000,
339 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
340 .boot_params = 0x10000100,
341 .map_io = omap_perseus2_map_io,
342 .init_irq = omap_perseus2_init_irq,
343 .init_machine = omap_perseus2_init,
344 .timer = &omap_timer,