2 * linux/arch/arm/mach-omap2/board-h4.c
4 * Copyright (C) 2005 Nokia Corporation
5 * Author: Paul Mundt <paul.mundt@nokia.com>
7 * Modified from mach-omap/omap1/board-generic.c
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.
13 #include <linux/gpio.h>
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/mtd/mtd.h>
18 #include <linux/mtd/partitions.h>
19 #include <linux/mtd/physmap.h>
20 #include <linux/delay.h>
21 #include <linux/workqueue.h>
22 #include <linux/i2c.h>
23 #include <linux/i2c/at24.h>
24 #include <linux/input.h>
25 #include <linux/err.h>
26 #include <linux/clk.h>
28 #include <linux/input/matrix_keypad.h>
30 #include <mach/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
36 #include <plat/board.h>
38 #include <plat/menelaus.h>
40 #include <plat/gpmc.h>
42 #include <video/omapdss.h>
43 #include <video/omap-panel-generic-dpi.h>
49 #define H4_SMC91X_CS 1
51 #define H4_ETHR_GPIO_IRQ 92
53 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
54 static const uint32_t board_matrix_keys[] = {
87 static const struct matrix_keymap_data board_keymap_data = {
88 .keymap = board_matrix_keys,
89 .keymap_size = ARRAY_SIZE(board_matrix_keys),
92 static unsigned int board_keypad_row_gpios[] = {
93 88, 89, 124, 11, 6, 96
96 static unsigned int board_keypad_col_gpios[] = {
97 90, 91, 100, 36, 12, 97, 98
100 static struct matrix_keypad_platform_data board_keypad_platform_data = {
101 .keymap_data = &board_keymap_data,
102 .row_gpios = board_keypad_row_gpios,
103 .num_row_gpios = ARRAY_SIZE(board_keypad_row_gpios),
104 .col_gpios = board_keypad_col_gpios,
105 .num_col_gpios = ARRAY_SIZE(board_keypad_col_gpios),
109 .col_scan_delay_us = 5,
112 static struct platform_device board_keyboard = {
113 .name = "matrix-keypad",
116 .platform_data = &board_keypad_platform_data,
119 static void __init board_mkp_init(void)
121 omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP);
122 omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP);
123 omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP);
124 omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
125 if (omap_has_menelaus()) {
126 omap_mux_init_signal("sdrc_a14.gpio0",
127 OMAP_PULL_ENA | OMAP_PULL_UP);
128 omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
129 omap_mux_init_signal("gpio_98", 0);
130 board_keypad_row_gpios[5] = 0;
131 board_keypad_col_gpios[2] = 15;
132 board_keypad_col_gpios[6] = 18;
134 omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP);
135 omap_mux_init_signal("gpio_100", 0);
136 omap_mux_init_signal("gpio_98", 0);
138 omap_mux_init_signal("gpio_90", 0);
139 omap_mux_init_signal("gpio_91", 0);
140 omap_mux_init_signal("gpio_36", 0);
141 omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
142 omap_mux_init_signal("gpio_97", 0);
144 platform_device_register(&board_keyboard);
147 static inline void board_mkp_init(void)
152 static struct mtd_partition h4_partitions[] = {
153 /* bootloader (U-Boot, etc) in first sector */
155 .name = "bootloader",
158 .mask_flags = MTD_WRITEABLE, /* force read-only */
160 /* bootloader params in the next sector */
163 .offset = MTDPART_OFS_APPEND,
170 .offset = MTDPART_OFS_APPEND,
176 .name = "filesystem",
177 .offset = MTDPART_OFS_APPEND,
178 .size = MTDPART_SIZ_FULL,
183 static struct physmap_flash_data h4_flash_data = {
185 .parts = h4_partitions,
186 .nr_parts = ARRAY_SIZE(h4_partitions),
189 static struct resource h4_flash_resource = {
190 .flags = IORESOURCE_MEM,
193 static struct platform_device h4_flash_device = {
194 .name = "physmap-flash",
197 .platform_data = &h4_flash_data,
200 .resource = &h4_flash_resource,
203 static struct platform_device *h4_devices[] __initdata = {
207 static struct panel_generic_dpi_data h4_panel_data = {
211 static struct omap_dss_device h4_lcd_device = {
213 .driver_name = "generic_dpi_panel",
214 .type = OMAP_DISPLAY_TYPE_DPI,
215 .phy.dpi.data_lines = 16,
216 .data = &h4_panel_data,
219 static struct omap_dss_device *h4_dss_devices[] = {
223 static struct omap_dss_board_info h4_dss_data = {
224 .num_devices = ARRAY_SIZE(h4_dss_devices),
225 .devices = h4_dss_devices,
226 .default_device = &h4_lcd_device,
229 /* 2420 Sysboot setup (2430 is different) */
230 static u32 get_sysboot_value(void)
232 return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
233 (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK |
234 OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK |
235 OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK));
238 /* H4-2420's always used muxed mode, H4-2422's always use non-muxed
240 * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423
241 * correctly. The macro needs to look at production_id not just hawkeye.
243 static u32 is_gpmc_muxed(void)
246 mux = get_sysboot_value();
247 if ((mux & 0xF) == 0xd)
248 return 1; /* NAND config (could be either) */
249 if (mux & 0x2) /* if mux'ed */
255 static inline void __init h4_init_debug(void)
258 unsigned long cs_mem_base;
259 unsigned int muxed, rate;
260 struct clk *gpmc_fck;
262 eth_cs = H4_SMC91X_CS;
264 gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
265 if (IS_ERR(gpmc_fck)) {
270 clk_enable(gpmc_fck);
271 rate = clk_get_rate(gpmc_fck);
272 clk_disable(gpmc_fck);
280 /* Make sure CS1 timings are correct */
281 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
284 if (rate >= 160000000) {
285 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
286 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
287 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
288 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
289 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
290 } else if (rate >= 130000000) {
291 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
292 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
293 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
294 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
295 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
296 } else {/* rate = 100000000 */
297 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
298 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
299 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
300 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
301 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
304 if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
305 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
311 omap_mux_init_gpio(92, 0);
312 if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0)
313 gpmc_cs_free(eth_cs);
316 clk_disable(gpmc_fck);
320 static void __init h4_init_flash(void)
324 if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
325 printk("Can't request GPMC CS for flash\n");
328 h4_flash_resource.start = base;
329 h4_flash_resource.end = base + SZ_64M - 1;
332 static struct omap_usb_config h4_usb_config __initdata = {
333 /* S1.10 OFF -- usb "download port"
334 * usb0 switched to Mini-B port and isp1105 transceiver;
335 * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging
339 /* .hmc_mode = 0x14,*/ /* 0:dev 1:host 2:disable */
340 .hmc_mode = 0x00, /* 0:dev|otg 1:disable 2:disable */
343 static struct at24_platform_data m24c01 = {
344 .byte_len = SZ_1K / 8,
348 static struct i2c_board_info __initdata h4_i2c_board_info[] = {
350 I2C_BOARD_INFO("isp1301_omap", 0x2d),
351 .irq = OMAP_GPIO_IRQ(125),
353 { /* EEPROM on mainboard */
354 I2C_BOARD_INFO("24c01", 0x52),
355 .platform_data = &m24c01,
357 { /* EEPROM on cpu card */
358 I2C_BOARD_INFO("24c01", 0x57),
359 .platform_data = &m24c01,
363 #ifdef CONFIG_OMAP_MUX
364 static struct omap_board_mux board_mux[] __initdata = {
365 { .reg_offset = OMAP_MUX_TERMINATOR },
369 static void __init omap_h4_init(void)
371 omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF);
374 * Make sure the serial ports are muxed on at this point.
375 * You have to mux them off in device drivers later on
380 i2c_register_board_info(1, h4_i2c_board_info,
381 ARRAY_SIZE(h4_i2c_board_info));
383 platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
384 omap2_usbfs_init(&h4_usb_config);
386 omap_sdrc_init(NULL, NULL);
389 omap_display_init(&h4_dss_data);
392 MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
393 /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
394 .atag_offset = 0x100,
395 .reserve = omap_reserve,
396 .map_io = omap242x_map_io,
397 .init_early = omap2420_init_early,
398 .init_irq = omap2_init_irq,
399 .handle_irq = omap2_intc_handle_irq,
400 .init_machine = omap_h4_init,
401 .timer = &omap2_timer,
402 .restart = omap_prcm_restart,