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-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/delay.h>
26 #include <linux/leds.h>
27 #include <linux/err.h>
28 #include <linux/clk.h>
29 #include <linux/smc91x.h>
30 #include <linux/gpio.h>
32 #include <mach/hardware.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/flash.h>
38 #include <plat/board.h>
40 #include <plat/gpmc.h>
42 #include <video/omapdss.h>
43 #include <video/omap-panel-generic-dpi.h>
48 /* LED & Switch macros */
49 #define LED0_GPIO13 13
50 #define LED1_GPIO14 14
51 #define LED2_GPIO15 15
52 #define SW_ENTER_GPIO16 16
53 #define SW_UP_GPIO17 17
54 #define SW_DOWN_GPIO58 58
56 #define APOLLON_FLASH_CS 0
57 #define APOLLON_ETH_CS 1
58 #define APOLLON_ETHR_GPIO_IRQ 74
60 static struct mtd_partition apollon_partitions[] = {
62 .name = "X-Loader + U-Boot",
65 .mask_flags = MTD_WRITEABLE,
69 .offset = MTDPART_OFS_APPEND,
74 .offset = MTDPART_OFS_APPEND,
79 .offset = MTDPART_OFS_APPEND,
83 .name = "filesystem00",
84 .offset = MTDPART_OFS_APPEND,
88 .name = "filesystem01",
89 .offset = MTDPART_OFS_APPEND,
90 .size = MTDPART_SIZ_FULL,
94 static struct onenand_platform_data apollon_flash_data = {
95 .parts = apollon_partitions,
96 .nr_parts = ARRAY_SIZE(apollon_partitions),
99 static struct resource apollon_flash_resource[] = {
101 .flags = IORESOURCE_MEM,
105 static struct platform_device apollon_onenand_device = {
106 .name = "onenand-flash",
109 .platform_data = &apollon_flash_data,
111 .num_resources = ARRAY_SIZE(apollon_flash_resource),
112 .resource = apollon_flash_resource,
115 static void __init apollon_flash_init(void)
119 if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
120 printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
123 apollon_flash_resource[0].start = base;
124 apollon_flash_resource[0].end = base + SZ_128K - 1;
127 static struct smc91x_platdata appolon_smc91x_info = {
128 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
129 .leda = RPC_LED_100_10,
130 .ledb = RPC_LED_TX_RX,
133 static struct resource apollon_smc91x_resources[] = {
135 .flags = IORESOURCE_MEM,
138 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
142 static struct platform_device apollon_smc91x_device = {
146 .platform_data = &appolon_smc91x_info,
148 .num_resources = ARRAY_SIZE(apollon_smc91x_resources),
149 .resource = apollon_smc91x_resources,
152 static struct omap_led_config apollon_led_config[] = {
155 .name = "apollon:led0",
161 .name = "apollon:led1",
167 .name = "apollon:led2",
173 static struct omap_led_platform_data apollon_led_data = {
174 .nr_leds = ARRAY_SIZE(apollon_led_config),
175 .leds = apollon_led_config,
178 static struct platform_device apollon_led_device = {
182 .platform_data = &apollon_led_data,
186 static struct platform_device *apollon_devices[] __initdata = {
187 &apollon_onenand_device,
188 &apollon_smc91x_device,
192 static inline void __init apollon_init_smc91x(void)
197 struct clk *gpmc_fck;
201 gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
202 if (IS_ERR(gpmc_fck)) {
207 clk_enable(gpmc_fck);
208 rate = clk_get_rate(gpmc_fck);
210 eth_cs = APOLLON_ETH_CS;
212 /* Make sure CS1 timings are correct */
213 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
215 if (rate >= 160000000) {
216 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
217 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
218 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
219 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
220 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
221 } else if (rate >= 130000000) {
222 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
223 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
224 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
225 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
226 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
227 } else {/* rate = 100000000 */
228 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
229 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
230 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
231 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
232 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
235 if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
236 printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
239 apollon_smc91x_resources[0].start = base + 0x300;
240 apollon_smc91x_resources[0].end = base + 0x30f;
243 omap_mux_init_gpio(APOLLON_ETHR_GPIO_IRQ, 0);
244 err = gpio_request_one(APOLLON_ETHR_GPIO_IRQ, GPIOF_IN, "SMC91x irq");
246 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
247 APOLLON_ETHR_GPIO_IRQ);
248 gpmc_cs_free(APOLLON_ETH_CS);
251 clk_disable(gpmc_fck);
255 static struct panel_generic_dpi_data apollon_panel_data = {
259 static struct omap_dss_device apollon_lcd_device = {
261 .driver_name = "generic_dpi_panel",
262 .type = OMAP_DISPLAY_TYPE_DPI,
263 .phy.dpi.data_lines = 18,
264 .data = &apollon_panel_data,
267 static struct omap_dss_device *apollon_dss_devices[] = {
271 static struct omap_dss_board_info apollon_dss_data = {
272 .num_devices = ARRAY_SIZE(apollon_dss_devices),
273 .devices = apollon_dss_devices,
274 .default_device = &apollon_lcd_device,
277 static struct gpio apollon_gpio_leds[] __initdata = {
278 { LED0_GPIO13, GPIOF_OUT_INIT_LOW, "LED0" }, /* LED0 - AA10 */
279 { LED1_GPIO14, GPIOF_OUT_INIT_LOW, "LED1" }, /* LED1 - AA6 */
280 { LED2_GPIO15, GPIOF_OUT_INIT_LOW, "LED2" }, /* LED2 - AA4 */
283 static void __init apollon_led_init(void)
285 omap_mux_init_signal("vlynq_clk.gpio_13", 0);
286 omap_mux_init_signal("vlynq_rx1.gpio_14", 0);
287 omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
289 gpio_request_array(apollon_gpio_leds, ARRAY_SIZE(apollon_gpio_leds));
292 #ifdef CONFIG_OMAP_MUX
293 static struct omap_board_mux board_mux[] __initdata = {
294 { .reg_offset = OMAP_MUX_TERMINATOR },
298 static void __init omap_apollon_init(void)
302 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
304 apollon_init_smc91x();
306 apollon_flash_init();
308 /* REVISIT: where's the correct place */
309 omap_mux_init_signal("sys_nirq", OMAP_PULL_ENA | OMAP_PULL_UP);
312 omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
314 /* Use Internal loop-back in MMC/SDIO Module Input Clock selection */
315 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
317 omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
320 * Make sure the serial ports are muxed on at this point.
321 * You have to mux them off in device drivers later on
324 apollon_smc91x_resources[1].start = gpio_to_irq(APOLLON_ETHR_GPIO_IRQ);
325 apollon_smc91x_resources[1].end = gpio_to_irq(APOLLON_ETHR_GPIO_IRQ);
326 platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
328 omap_sdrc_init(NULL, NULL);
329 omap_display_init(&apollon_dss_data);
332 MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
333 /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
334 .atag_offset = 0x100,
335 .reserve = omap_reserve,
336 .map_io = omap242x_map_io,
337 .init_early = omap2420_init_early,
338 .init_irq = omap2_init_irq,
339 .handle_irq = omap2_intc_handle_irq,
340 .init_machine = omap_apollon_init,
341 .init_late = omap2420_init_late,
342 .timer = &omap2_timer,
343 .restart = omap_prcm_restart,