2 * linux/arch/arm/mach-omap2/board-apollon.c
4 * Copyright (C) 2005,2006 Samsung Electronics
5 * Author: Kyungmin Park <kyungmin.park@samsung.com>
7 * Modified from mach-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/delay.h>
26 #include <linux/leds.h>
27 #include <linux/err.h>
28 #include <linux/clk.h>
30 #include <asm/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/flash.h>
35 #include <asm/arch/gpio.h>
36 #include <asm/arch/led.h>
37 #include <asm/arch/mux.h>
38 #include <asm/arch/usb.h>
39 #include <asm/arch/board.h>
40 #include <asm/arch/common.h>
41 #include <asm/arch/gpmc.h>
43 /* LED & Switch macros */
44 #define LED0_GPIO13 13
45 #define LED1_GPIO14 14
46 #define LED2_GPIO15 15
47 #define LED3_GPIO92 92
48 #define LED4_GPIO93 93
50 #define APOLLON_FLASH_CS 0
51 #define APOLLON_ETH_CS 1
53 static struct mtd_partition apollon_partitions[] = {
55 .name = "X-Loader + U-Boot",
58 .mask_flags = MTD_WRITEABLE,
62 .offset = MTDPART_OFS_APPEND,
67 .offset = MTDPART_OFS_APPEND,
72 .offset = MTDPART_OFS_APPEND,
76 .name = "filesystem00",
77 .offset = MTDPART_OFS_APPEND,
81 .name = "filesystem01",
82 .offset = MTDPART_OFS_APPEND,
83 .size = MTDPART_SIZ_FULL,
87 static struct flash_platform_data apollon_flash_data = {
88 .parts = apollon_partitions,
89 .nr_parts = ARRAY_SIZE(apollon_partitions),
92 static struct resource apollon_flash_resource[] = {
94 .flags = IORESOURCE_MEM,
98 static struct platform_device apollon_onenand_device = {
102 .platform_data = &apollon_flash_data,
104 .num_resources = ARRAY_SIZE(apollon_flash_resource),
105 .resource = apollon_flash_resource,
108 static void __init apollon_flash_init(void)
112 if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
113 printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
116 apollon_flash_resource[0].start = base;
117 apollon_flash_resource[0].end = base + SZ_128K - 1;
120 static struct resource apollon_smc91x_resources[] = {
122 .flags = IORESOURCE_MEM,
125 .start = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
126 .end = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
127 .flags = IORESOURCE_IRQ,
131 static struct platform_device apollon_smc91x_device = {
134 .num_resources = ARRAY_SIZE(apollon_smc91x_resources),
135 .resource = apollon_smc91x_resources,
138 static struct platform_device apollon_lcd_device = {
139 .name = "apollon_lcd",
143 static struct omap_led_config apollon_led_config[] = {
146 .name = "apollon:led0",
152 .name = "apollon:led1",
158 .name = "apollon:led2",
162 #ifdef CONFIG_MACH_OMAP_APOLLON_PLUS
165 .name = "apollon:led3",
171 .name = "apollon:led4",
178 static struct omap_led_platform_data apollon_led_data = {
179 .nr_leds = ARRAY_SIZE(apollon_led_config),
180 .leds = apollon_led_config,
183 static struct platform_device apollon_led_device = {
187 .platform_data = &apollon_led_data,
191 static struct platform_device *apollon_devices[] __initdata = {
192 &apollon_onenand_device,
193 &apollon_smc91x_device,
198 static inline void __init apollon_init_smc91x(void)
205 l3ck = clk_get(NULL, "core_l3_ck");
209 rate = clk_get_rate(l3ck);
211 eth_cs = APOLLON_ETH_CS;
213 /* Make sure CS1 timings are correct */
214 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
216 if (rate >= 160000000) {
217 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
218 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
219 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
220 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
221 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
222 } else if (rate >= 130000000) {
223 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
224 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
225 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
226 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
227 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
228 } else {/* rate = 100000000 */
229 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
230 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
231 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
232 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
233 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
236 if (gpmc_cs_request(eth_cs, SZ_16M, &base) < 0) {
237 printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
240 apollon_smc91x_resources[0].start = base + 0x300;
241 apollon_smc91x_resources[0].end = base + 0x30f;
244 omap_cfg_reg(W4__24XX_GPIO74);
245 if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
246 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
247 APOLLON_ETHR_GPIO_IRQ);
248 gpmc_cs_free(eth_cs);
251 omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
254 static void __init omap_apollon_init_irq(void)
256 omap2_init_common_hw();
259 apollon_init_smc91x();
262 static struct omap_uart_config apollon_uart_config __initdata = {
263 .enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
266 static struct omap_mmc_config apollon_mmc_config __initdata = {
270 /* Use internal loop-back in MMC/SDIO Module Input Clock selection */
274 /* Note: If you want to detect card feature, please assign 37 */
279 static struct omap_usb_config apollon_usb_config __initdata = {
281 .hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */
286 static struct omap_lcd_config apollon_lcd_config __initdata = {
287 .ctrl_name = "internal",
290 static struct omap_board_config_kernel apollon_config[] __initdata = {
291 { OMAP_TAG_UART, &apollon_uart_config },
292 { OMAP_TAG_MMC, &apollon_mmc_config },
293 { OMAP_TAG_USB, &apollon_usb_config },
294 { OMAP_TAG_LCD, &apollon_lcd_config },
297 static void __init apollon_led_init(void)
300 omap_cfg_reg(AA10_242X_GPIO13);
301 omap_request_gpio(LED0_GPIO13);
302 omap_set_gpio_direction(LED0_GPIO13, 0);
303 omap_set_gpio_dataout(LED0_GPIO13, 0);
305 omap_cfg_reg(AA6_242X_GPIO14);
306 omap_request_gpio(LED1_GPIO14);
307 omap_set_gpio_direction(LED1_GPIO14, 0);
308 omap_set_gpio_dataout(LED1_GPIO14, 0);
310 omap_cfg_reg(AA4_242X_GPIO15);
311 omap_request_gpio(LED2_GPIO15);
312 omap_set_gpio_direction(LED2_GPIO15, 0);
313 omap_set_gpio_dataout(LED2_GPIO15, 0);
314 #ifdef CONFIG_MACH_OMAP_APOLLON_PLUS
316 omap_cfg_reg(M15_24XX_GPIO92);
317 omap_request_gpio(LED3_GPIO92);
318 omap_set_gpio_direction(LED3_GPIO92, 0);
319 omap_set_gpio_dataout(LED3_GPIO92, 0);
321 omap_cfg_reg(P20_24XX_GPIO93);
322 omap_request_gpio(LED4_GPIO93);
323 omap_set_gpio_direction(LED4_GPIO93, 0);
324 omap_set_gpio_dataout(LED4_GPIO93, 0);
328 static void __init apollon_usb_init(void)
332 omap_cfg_reg(P21_242X_GPIO12);
333 omap_request_gpio(12);
334 omap_set_gpio_direction(12, 0); /* OUT */
335 omap_set_gpio_dataout(12, 0);
338 static void __init omap_apollon_init(void)
341 apollon_flash_init();
345 * Make sure the serial ports are muxed on at this point.
346 * You have to mux them off in device drivers later on
349 platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
350 omap_board_config = apollon_config;
351 omap_board_config_size = ARRAY_SIZE(apollon_config);
355 static void __init omap_apollon_map_io(void)
357 omap2_map_common_io();
360 MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
361 /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
362 .phys_io = 0x48000000,
363 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
364 .boot_params = 0x80000100,
365 .map_io = omap_apollon_map_io,
366 .init_irq = omap_apollon_init_irq,
367 .init_machine = omap_apollon_init,
368 .timer = &omap_timer,