|  | /* | 
|  | * linux/arch/arm/mach-omap2/board-h4.c | 
|  | * | 
|  | * Copyright (C) 2005 Nokia Corporation | 
|  | * Author: Paul Mundt <[email protected]> | 
|  | * | 
|  | * Modified from mach-omap/omap1/board-generic.c | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License version 2 as | 
|  | * published by the Free Software Foundation. | 
|  | */ | 
|  |  | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/mtd/mtd.h> | 
|  | #include <linux/mtd/partitions.h> | 
|  | #include <linux/mtd/physmap.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/workqueue.h> | 
|  | #include <linux/i2c.h> | 
|  | #include <linux/i2c/at24.h> | 
|  | #include <linux/input.h> | 
|  | #include <linux/err.h> | 
|  | #include <linux/clk.h> | 
|  | #include <linux/io.h> | 
|  |  | 
|  | #include <mach/hardware.h> | 
|  | #include <asm/mach-types.h> | 
|  | #include <asm/mach/arch.h> | 
|  | #include <asm/mach/map.h> | 
|  |  | 
|  | #include <plat/control.h> | 
|  | #include <mach/gpio.h> | 
|  | #include <plat/usb.h> | 
|  | #include <plat/board.h> | 
|  | #include <plat/common.h> | 
|  | #include <plat/keypad.h> | 
|  | #include <plat/menelaus.h> | 
|  | #include <plat/dma.h> | 
|  | #include <plat/gpmc.h> | 
|  |  | 
|  | #include "mux.h" | 
|  |  | 
|  | #define H4_FLASH_CS	0 | 
|  | #define H4_SMC91X_CS	1 | 
|  |  | 
|  | #define H4_ETHR_GPIO_IRQ		92 | 
|  |  | 
|  | static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 }; | 
|  | static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 }; | 
|  |  | 
|  | static int h4_keymap[] = { | 
|  | KEY(0, 0, KEY_LEFT), | 
|  | KEY(0, 1, KEY_RIGHT), | 
|  | KEY(0, 2, KEY_A), | 
|  | KEY(0, 3, KEY_B), | 
|  | KEY(0, 4, KEY_C), | 
|  | KEY(1, 0, KEY_DOWN), | 
|  | KEY(1, 1, KEY_UP), | 
|  | KEY(1, 2, KEY_E), | 
|  | KEY(1, 3, KEY_F), | 
|  | KEY(1, 4, KEY_G), | 
|  | KEY(2, 0, KEY_ENTER), | 
|  | KEY(2, 1, KEY_I), | 
|  | KEY(2, 2, KEY_J), | 
|  | KEY(2, 3, KEY_K), | 
|  | KEY(2, 4, KEY_3), | 
|  | KEY(3, 0, KEY_M), | 
|  | KEY(3, 1, KEY_N), | 
|  | KEY(3, 2, KEY_O), | 
|  | KEY(3, 3, KEY_P), | 
|  | KEY(3, 4, KEY_Q), | 
|  | KEY(4, 0, KEY_R), | 
|  | KEY(4, 1, KEY_4), | 
|  | KEY(4, 2, KEY_T), | 
|  | KEY(4, 3, KEY_U), | 
|  | KEY(4, 4, KEY_ENTER), | 
|  | KEY(5, 0, KEY_V), | 
|  | KEY(5, 1, KEY_W), | 
|  | KEY(5, 2, KEY_L), | 
|  | KEY(5, 3, KEY_S), | 
|  | KEY(5, 4, KEY_ENTER), | 
|  | 0 | 
|  | }; | 
|  |  | 
|  | static struct mtd_partition h4_partitions[] = { | 
|  | /* bootloader (U-Boot, etc) in first sector */ | 
|  | { | 
|  | .name		= "bootloader", | 
|  | .offset		= 0, | 
|  | .size		= SZ_128K, | 
|  | .mask_flags	= MTD_WRITEABLE, /* force read-only */ | 
|  | }, | 
|  | /* bootloader params in the next sector */ | 
|  | { | 
|  | .name		= "params", | 
|  | .offset		= MTDPART_OFS_APPEND, | 
|  | .size		= SZ_128K, | 
|  | .mask_flags	= 0, | 
|  | }, | 
|  | /* kernel */ | 
|  | { | 
|  | .name		= "kernel", | 
|  | .offset		= MTDPART_OFS_APPEND, | 
|  | .size		= SZ_2M, | 
|  | .mask_flags	= 0 | 
|  | }, | 
|  | /* file system */ | 
|  | { | 
|  | .name		= "filesystem", | 
|  | .offset		= MTDPART_OFS_APPEND, | 
|  | .size		= MTDPART_SIZ_FULL, | 
|  | .mask_flags	= 0 | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct physmap_flash_data h4_flash_data = { | 
|  | .width		= 2, | 
|  | .parts		= h4_partitions, | 
|  | .nr_parts	= ARRAY_SIZE(h4_partitions), | 
|  | }; | 
|  |  | 
|  | static struct resource h4_flash_resource = { | 
|  | .flags		= IORESOURCE_MEM, | 
|  | }; | 
|  |  | 
|  | static struct platform_device h4_flash_device = { | 
|  | .name		= "physmap-flash", | 
|  | .id		= 0, | 
|  | .dev		= { | 
|  | .platform_data	= &h4_flash_data, | 
|  | }, | 
|  | .num_resources	= 1, | 
|  | .resource	= &h4_flash_resource, | 
|  | }; | 
|  |  | 
|  | static struct omap_kp_platform_data h4_kp_data = { | 
|  | .rows		= 6, | 
|  | .cols		= 7, | 
|  | .keymap 	= h4_keymap, | 
|  | .keymapsize 	= ARRAY_SIZE(h4_keymap), | 
|  | .rep		= 1, | 
|  | .row_gpios 	= row_gpios, | 
|  | .col_gpios 	= col_gpios, | 
|  | }; | 
|  |  | 
|  | static struct platform_device h4_kp_device = { | 
|  | .name		= "omap-keypad", | 
|  | .id		= -1, | 
|  | .dev		= { | 
|  | .platform_data = &h4_kp_data, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct platform_device h4_lcd_device = { | 
|  | .name		= "lcd_h4", | 
|  | .id		= -1, | 
|  | }; | 
|  |  | 
|  | static struct platform_device *h4_devices[] __initdata = { | 
|  | &h4_flash_device, | 
|  | &h4_kp_device, | 
|  | &h4_lcd_device, | 
|  | }; | 
|  |  | 
|  | /* 2420 Sysboot setup (2430 is different) */ | 
|  | static u32 get_sysboot_value(void) | 
|  | { | 
|  | return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) & | 
|  | (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK | | 
|  | OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK | | 
|  | OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK)); | 
|  | } | 
|  |  | 
|  | /* H4-2420's always used muxed mode, H4-2422's always use non-muxed | 
|  | * | 
|  | * Note: OMAP-GIT doesn't correctly do is_cpu_omap2422 and is_cpu_omap2423 | 
|  | *  correctly.  The macro needs to look at production_id not just hawkeye. | 
|  | */ | 
|  | static u32 is_gpmc_muxed(void) | 
|  | { | 
|  | u32 mux; | 
|  | mux = get_sysboot_value(); | 
|  | if ((mux & 0xF) == 0xd) | 
|  | return 1;	/* NAND config (could be either) */ | 
|  | if (mux & 0x2)		/* if mux'ed */ | 
|  | return 1; | 
|  | else | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static inline void __init h4_init_debug(void) | 
|  | { | 
|  | int eth_cs; | 
|  | unsigned long cs_mem_base; | 
|  | unsigned int muxed, rate; | 
|  | struct clk *gpmc_fck; | 
|  |  | 
|  | eth_cs	= H4_SMC91X_CS; | 
|  |  | 
|  | gpmc_fck = clk_get(NULL, "gpmc_fck");	/* Always on ENABLE_ON_INIT */ | 
|  | if (IS_ERR(gpmc_fck)) { | 
|  | WARN_ON(1); | 
|  | return; | 
|  | } | 
|  |  | 
|  | clk_enable(gpmc_fck); | 
|  | rate = clk_get_rate(gpmc_fck); | 
|  | clk_disable(gpmc_fck); | 
|  | clk_put(gpmc_fck); | 
|  |  | 
|  | if (is_gpmc_muxed()) | 
|  | muxed = 0x200; | 
|  | else | 
|  | muxed = 0; | 
|  |  | 
|  | /* Make sure CS1 timings are correct */ | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, | 
|  | 0x00011000 | muxed); | 
|  |  | 
|  | if (rate >= 160000000) { | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); | 
|  | } else if (rate >= 130000000) { | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); | 
|  | } else {/* rate = 100000000 */ | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F); | 
|  | gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2); | 
|  | } | 
|  |  | 
|  | if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { | 
|  | printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); | 
|  | goto out; | 
|  | } | 
|  |  | 
|  | udelay(100); | 
|  |  | 
|  | omap_mux_init_gpio(92, 0); | 
|  | if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0) | 
|  | gpmc_cs_free(eth_cs); | 
|  |  | 
|  | out: | 
|  | clk_disable(gpmc_fck); | 
|  | clk_put(gpmc_fck); | 
|  | } | 
|  |  | 
|  | static void __init h4_init_flash(void) | 
|  | { | 
|  | unsigned long base; | 
|  |  | 
|  | if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) { | 
|  | printk("Can't request GPMC CS for flash\n"); | 
|  | return; | 
|  | } | 
|  | h4_flash_resource.start	= base; | 
|  | h4_flash_resource.end	= base + SZ_64M - 1; | 
|  | } | 
|  |  | 
|  | static struct omap_lcd_config h4_lcd_config __initdata = { | 
|  | .ctrl_name	= "internal", | 
|  | }; | 
|  |  | 
|  | static struct omap_usb_config h4_usb_config __initdata = { | 
|  | /* S1.10 OFF -- usb "download port" | 
|  | * usb0 switched to Mini-B port and isp1105 transceiver; | 
|  | * S2.POS3 = ON, S2.POS4 = OFF ... to enable battery charging | 
|  | */ | 
|  | .register_dev	= 1, | 
|  | .pins[0]	= 3, | 
|  | /*	.hmc_mode	= 0x14,*/	/* 0:dev 1:host 2:disable */ | 
|  | .hmc_mode	= 0x00,		/* 0:dev|otg 1:disable 2:disable */ | 
|  | }; | 
|  |  | 
|  | static struct omap_board_config_kernel h4_config[] = { | 
|  | { OMAP_TAG_LCD,		&h4_lcd_config }, | 
|  | }; | 
|  |  | 
|  | static void __init omap_h4_init_irq(void) | 
|  | { | 
|  | omap_board_config = h4_config; | 
|  | omap_board_config_size = ARRAY_SIZE(h4_config); | 
|  | omap2_init_common_hw(NULL, NULL); | 
|  | omap_init_irq(); | 
|  | omap_gpio_init(); | 
|  | h4_init_flash(); | 
|  | } | 
|  |  | 
|  | static struct at24_platform_data m24c01 = { | 
|  | .byte_len	= SZ_1K / 8, | 
|  | .page_size	= 16, | 
|  | }; | 
|  |  | 
|  | static struct i2c_board_info __initdata h4_i2c_board_info[] = { | 
|  | { | 
|  | I2C_BOARD_INFO("isp1301_omap", 0x2d), | 
|  | .irq		= OMAP_GPIO_IRQ(125), | 
|  | }, | 
|  | {	/* EEPROM on mainboard */ | 
|  | I2C_BOARD_INFO("24c01", 0x52), | 
|  | .platform_data	= &m24c01, | 
|  | }, | 
|  | {	/* EEPROM on cpu card */ | 
|  | I2C_BOARD_INFO("24c01", 0x57), | 
|  | .platform_data	= &m24c01, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | #ifdef CONFIG_OMAP_MUX | 
|  | static struct omap_board_mux board_mux[] __initdata = { | 
|  | { .reg_offset = OMAP_MUX_TERMINATOR }, | 
|  | }; | 
|  | #else | 
|  | #define board_mux	NULL | 
|  | #endif | 
|  |  | 
|  | static void __init omap_h4_init(void) | 
|  | { | 
|  | omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAF); | 
|  |  | 
|  | /* | 
|  | * Make sure the serial ports are muxed on at this point. | 
|  | * You have to mux them off in device drivers later on | 
|  | * if not needed. | 
|  | */ | 
|  |  | 
|  | #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) | 
|  | omap_mux_init_gpio(88, OMAP_PULL_ENA | OMAP_PULL_UP); | 
|  | omap_mux_init_gpio(89, OMAP_PULL_ENA | OMAP_PULL_UP); | 
|  | omap_mux_init_gpio(124, OMAP_PULL_ENA | OMAP_PULL_UP); | 
|  | omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP); | 
|  | if (omap_has_menelaus()) { | 
|  | omap_mux_init_signal("sdrc_a14.gpio0", | 
|  | OMAP_PULL_ENA | OMAP_PULL_UP); | 
|  | omap_mux_init_signal("vlynq_rx0.gpio_15", 0); | 
|  | omap_mux_init_signal("gpio_98", 0); | 
|  | row_gpios[5] = 0; | 
|  | col_gpios[2] = 15; | 
|  | col_gpios[6] = 18; | 
|  | } else { | 
|  | omap_mux_init_signal("gpio_96", OMAP_PULL_ENA | OMAP_PULL_UP); | 
|  | omap_mux_init_signal("gpio_100", 0); | 
|  | omap_mux_init_signal("gpio_98", 0); | 
|  | } | 
|  | omap_mux_init_signal("gpio_90", 0); | 
|  | omap_mux_init_signal("gpio_91", 0); | 
|  | omap_mux_init_signal("gpio_36", 0); | 
|  | omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0); | 
|  | omap_mux_init_signal("gpio_97", 0); | 
|  | #endif | 
|  |  | 
|  | i2c_register_board_info(1, h4_i2c_board_info, | 
|  | ARRAY_SIZE(h4_i2c_board_info)); | 
|  |  | 
|  | platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); | 
|  | omap2_usbfs_init(&h4_usb_config); | 
|  | omap_serial_init(); | 
|  | } | 
|  |  | 
|  | static void __init omap_h4_map_io(void) | 
|  | { | 
|  | omap2_set_globals_242x(); | 
|  | omap242x_map_common_io(); | 
|  | } | 
|  |  | 
|  | MACHINE_START(OMAP_H4, "OMAP2420 H4 board") | 
|  | /* Maintainer: Paul Mundt <[email protected]> */ | 
|  | .phys_io	= 0x48000000, | 
|  | .io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc, | 
|  | .boot_params	= 0x80000100, | 
|  | .map_io		= omap_h4_map_io, | 
|  | .reserve	= omap_reserve, | 
|  | .init_irq	= omap_h4_init_irq, | 
|  | .init_machine	= omap_h4_init, | 
|  | .timer		= &omap_timer, | 
|  | MACHINE_END |