2 * linux/arch/arm/mach-omap/omap2/board-apollon.c
4 * Copyright (C) 2005,2006 Samsung Electronics
5 * Author: Kyungmin Park <kyungmin.park@samsung.com>
7 * Modified from mach-omap/omap2/board-h4.c
9 * Code for apollon OMAP2 board. Should work on many OMAP2 systems where
10 * the bootloader passes the board-specific data to the kernel.
11 * Do not put any board specific code to this file; create a new machine
12 * type if you need custom low-level initializations.
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/platform_device.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/partitions.h>
24 #include <linux/mtd/onenand.h>
25 #include <linux/interrupt.h>
26 #include <linux/delay.h>
28 #include <asm/hardware.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/flash.h>
33 #include <asm/arch/gpio.h>
34 #include <asm/arch/mux.h>
35 #include <asm/arch/usb.h>
36 #include <asm/arch/board.h>
37 #include <asm/arch/common.h>
38 #include "prcm-regs.h"
40 /* LED & Switch macros */
41 #define LED0_GPIO13 13
42 #define LED1_GPIO14 14
43 #define LED2_GPIO15 15
44 #define SW_ENTER_GPIO16 16
45 #define SW_UP_GPIO17 17
46 #define SW_DOWN_GPIO58 58
48 static struct mtd_partition apollon_partitions[] = {
50 .name = "X-Loader + U-Boot",
53 .mask_flags = MTD_WRITEABLE,
57 .offset = MTDPART_OFS_APPEND,
62 .offset = MTDPART_OFS_APPEND,
67 .offset = MTDPART_OFS_APPEND,
71 .name = "filesystem00",
72 .offset = MTDPART_OFS_APPEND,
76 .name = "filesystem01",
77 .offset = MTDPART_OFS_APPEND,
78 .size = MTDPART_SIZ_FULL,
82 static struct flash_platform_data apollon_flash_data = {
83 .parts = apollon_partitions,
84 .nr_parts = ARRAY_SIZE(apollon_partitions),
87 static struct resource apollon_flash_resource = {
88 .start = APOLLON_CS0_BASE,
89 .end = APOLLON_CS0_BASE + SZ_128K,
90 .flags = IORESOURCE_MEM,
93 static struct platform_device apollon_onenand_device = {
97 .platform_data = &apollon_flash_data,
99 .num_resources = ARRAY_SIZE(&apollon_flash_resource),
100 .resource = &apollon_flash_resource,
103 static struct resource apollon_smc91x_resources[] = {
105 .start = APOLLON_ETHR_START, /* Physical */
106 .end = APOLLON_ETHR_START + 0xf,
107 .flags = IORESOURCE_MEM,
110 .start = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
111 .end = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
112 .flags = IORESOURCE_IRQ,
116 static struct platform_device apollon_smc91x_device = {
119 .num_resources = ARRAY_SIZE(apollon_smc91x_resources),
120 .resource = apollon_smc91x_resources,
123 static struct platform_device *apollon_devices[] __initdata = {
124 &apollon_onenand_device,
125 &apollon_smc91x_device,
128 static inline void __init apollon_init_smc91x(void)
130 /* Make sure CS1 timings are correct */
131 GPMC_CONFIG1_1 = 0x00011203;
132 GPMC_CONFIG2_1 = 0x001f1f01;
133 GPMC_CONFIG3_1 = 0x00080803;
134 GPMC_CONFIG4_1 = 0x1c091c09;
135 GPMC_CONFIG5_1 = 0x041f1f1f;
136 GPMC_CONFIG6_1 = 0x000004c4;
137 GPMC_CONFIG7_1 = 0x00000f40 | (APOLLON_CS1_BASE >> 24);
140 omap_cfg_reg(W4__24XX_GPIO74);
141 if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
142 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
143 APOLLON_ETHR_GPIO_IRQ);
146 omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
149 static void __init omap_apollon_init_irq(void)
151 omap2_init_common_hw();
154 apollon_init_smc91x();
157 static struct omap_uart_config apollon_uart_config __initdata = {
158 .enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
161 static struct omap_mmc_config apollon_mmc_config __initdata = {
171 static struct omap_lcd_config apollon_lcd_config __initdata = {
172 .panel_name = "apollon",
173 .ctrl_name = "internal",
176 static struct omap_board_config_kernel apollon_config[] = {
177 { OMAP_TAG_UART, &apollon_uart_config },
178 { OMAP_TAG_MMC, &apollon_mmc_config },
179 { OMAP_TAG_LCD, &apollon_lcd_config },
182 static void __init apollon_led_init(void)
185 omap_cfg_reg(AA10_242X_GPIO13);
186 omap_request_gpio(LED0_GPIO13);
187 omap_set_gpio_direction(LED0_GPIO13, 0);
188 omap_set_gpio_dataout(LED0_GPIO13, 0);
190 omap_cfg_reg(AA6_242X_GPIO14);
191 omap_request_gpio(LED1_GPIO14);
192 omap_set_gpio_direction(LED1_GPIO14, 0);
193 omap_set_gpio_dataout(LED1_GPIO14, 0);
195 omap_cfg_reg(AA4_242X_GPIO15);
196 omap_request_gpio(LED2_GPIO15);
197 omap_set_gpio_direction(LED2_GPIO15, 0);
198 omap_set_gpio_dataout(LED2_GPIO15, 0);
201 static irqreturn_t apollon_sw_interrupt(int irq, void *ignored, struct pt_regs *regs)
203 static unsigned int led0, led1, led2;
205 if (irq == OMAP_GPIO_IRQ(SW_ENTER_GPIO16))
206 omap_set_gpio_dataout(LED0_GPIO13, led0 ^= 1);
207 else if (irq == OMAP_GPIO_IRQ(SW_UP_GPIO17))
208 omap_set_gpio_dataout(LED1_GPIO14, led1 ^= 1);
209 else if (irq == OMAP_GPIO_IRQ(SW_DOWN_GPIO58))
210 omap_set_gpio_dataout(LED2_GPIO15, led2 ^= 1);
215 static void __init apollon_sw_init(void)
218 omap_cfg_reg(Y11_242X_GPIO16);
219 omap_request_gpio(SW_ENTER_GPIO16);
220 omap_set_gpio_direction(SW_ENTER_GPIO16, 1);
222 omap_cfg_reg(AA12_242X_GPIO17);
223 omap_request_gpio(SW_UP_GPIO17);
224 omap_set_gpio_direction(SW_UP_GPIO17, 1);
226 omap_cfg_reg(AA8_242X_GPIO58);
227 omap_request_gpio(SW_DOWN_GPIO58);
228 omap_set_gpio_direction(SW_DOWN_GPIO58, 1);
230 set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQT_RISING);
231 if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
232 SA_SHIRQ, "enter sw",
233 &apollon_sw_interrupt))
235 set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQT_RISING);
236 if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt,
238 &apollon_sw_interrupt))
240 set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQT_RISING);
241 if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt,
243 &apollon_sw_interrupt))
247 static void __init omap_apollon_init(void)
252 /* REVISIT: where's the correct place */
253 omap_cfg_reg(W19_24XX_SYS_NIRQ);
256 * Make sure the serial ports are muxed on at this point.
257 * You have to mux them off in device drivers later on
260 platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
261 omap_board_config = apollon_config;
262 omap_board_config_size = ARRAY_SIZE(apollon_config);
266 static void __init omap_apollon_map_io(void)
268 omap2_map_common_io();
271 MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
272 /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
273 .phys_io = 0x48000000,
274 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
275 .boot_params = 0x80000100,
276 .map_io = omap_apollon_map_io,
277 .init_irq = omap_apollon_init_irq,
278 .init_machine = omap_apollon_init,
279 .timer = &omap_timer,