arch/arm/mach-omap2/board-h4.c - fp2-dev/kernel/msm - Gitiles

 /*
  * linux/arch/arm/mach-omap2/board-h4.c
  *
  * Copyright (C) 2005 Nokia Corporation
  * Author: Paul Mundt <paul.mundt@nokia.com>
  *
  * 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/delay.h>
 #include <linux/workqueue.h>
 #include <linux/input.h>
 #include <linux/err.h>
 #include <linux/clk.h>

 #include <asm/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/flash.h>

 #include <asm/arch/control.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/gpioexpander.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/usb.h>
 #include <asm/arch/irda.h>
 #include <asm/arch/board.h>
 #include <asm/arch/common.h>
 #include <asm/arch/keypad.h>
 #include <asm/arch/menelaus.h>
 #include <asm/arch/dma.h>
 #include <asm/arch/gpmc.h>

 #include <asm/io.h>

 #define H4_FLASH_CS	0
 #define H4_SMC91X_CS	1

 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 flash_platform_data h4_flash_data = {
 	.map_name	= "cfi_probe",
 	.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		= "omapflash",
 	.id		= 0,
 	.dev		= {
 		.platform_data	= &h4_flash_data,
 	},
 	.num_resources	= 1,
 	.resource	= &h4_flash_resource,
 };

 /* Select between the IrDA and aGPS module
  */
 static int h4_select_irda(struct device *dev, int state)
 {
 	unsigned char expa;
 	int err = 0;

 	if ((err = read_gpio_expa(&expa, 0x21))) {
 		printk(KERN_ERR "Error reading from I/O expander\n");
 		return err;
 	}

 	/* 'P6' enable/disable IRDA_TX and IRDA_RX */
 	if (state & IR_SEL) {	/* IrDa */
 		if ((err = write_gpio_expa(expa | 0x01, 0x21))) {
 			printk(KERN_ERR "Error writing to I/O expander\n");
 			return err;
 		}
 	} else {
 		if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
 			printk(KERN_ERR "Error writing to I/O expander\n");
 			return err;
 		}
 	}
 	return err;
 }

 static void set_trans_mode(struct work_struct *work)
 {
 	struct omap_irda_config *irda_config =
 		container_of(work, struct omap_irda_config, gpio_expa.work);
 	int mode = irda_config->mode;
 	unsigned char expa;
 	int err = 0;

 	if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
 		printk(KERN_ERR "Error reading from I/O expander\n");
 	}

 	expa &= ~0x01;

 	if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
 		expa |= 0x01;
 	}

 	if ((err = write_gpio_expa(expa, 0x20)) != 0) {
 		printk(KERN_ERR "Error writing to I/O expander\n");
 	}
 }

 static int h4_transceiver_mode(struct device *dev, int mode)
 {
 	struct omap_irda_config *irda_config = dev->platform_data;

 	irda_config->mode = mode;
 	cancel_delayed_work(&irda_config->gpio_expa);
 	PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
 	schedule_delayed_work(&irda_config->gpio_expa, 0);

 	return 0;
 }

 static struct omap_irda_config h4_irda_data = {
 	.transceiver_cap	= IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
 	.transceiver_mode	= h4_transceiver_mode,
 	.select_irda	 	= h4_select_irda,
 	.rx_channel		= OMAP24XX_DMA_UART3_RX,
 	.tx_channel		= OMAP24XX_DMA_UART3_TX,
 	.dest_start		= OMAP_UART3_BASE,
 	.src_start		= OMAP_UART3_BASE,
 	.tx_trigger		= OMAP24XX_DMA_UART3_TX,
 	.rx_trigger		= OMAP24XX_DMA_UART3_RX,
 };

 static struct resource h4_irda_resources[] = {
 	[0] = {
 		.start	= INT_24XX_UART3_IRQ,
 		.end	= INT_24XX_UART3_IRQ,
 		.flags	= IORESOURCE_IRQ,
 	},
 };

 static struct platform_device h4_irda_device = {
 	.name		= "omapirda",
 	.id		= -1,
 	.dev		= {
 		.platform_data	= &h4_irda_data,
 	},
 	.num_resources	= 1,
 	.resource	= h4_irda_resources,
 };

 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_irda_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_cfg_reg(M15_24XX_GPIO92);
 	if (debug_card_init(cs_mem_base, OMAP24XX_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 void __init omap_h4_init_irq(void)
 {
 	omap2_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
 	h4_init_flash();
 }

 static struct omap_uart_config h4_uart_config __initdata = {
 	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
 };

 static struct omap_mmc_config h4_mmc_config __initdata = {
 	.mmc [0] = {
 		.enabled	= 1,
 		.wire4		= 1,
 		.wp_pin		= -1,
 		.power_pin	= -1,
 		.switch_pin	= -1,
 	},
 };

 static struct omap_lcd_config h4_lcd_config __initdata = {
 	.ctrl_name	= "internal",
 };

 static struct omap_board_config_kernel h4_config[] = {
 	{ OMAP_TAG_UART,	&h4_uart_config },
 	{ OMAP_TAG_MMC,		&h4_mmc_config },
 	{ OMAP_TAG_LCD,		&h4_lcd_config },
 };

 static void __init omap_h4_init(void)
 {
 	/*
 	 * 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_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
 	omap_cfg_reg(K15_24XX_UART3_TX);
 	omap_cfg_reg(K14_24XX_UART3_RX);
 #endif

 #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
 	if (omap_has_menelaus()) {
 		row_gpios[5] = 0;
 		col_gpios[2] = 15;
 		col_gpios[6] = 18;
 	}
 #endif

 	platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
 	omap_board_config = h4_config;
 	omap_board_config_size = ARRAY_SIZE(h4_config);
 	omap_serial_init();
 }

 static void __init omap_h4_map_io(void)
 {
 	omap2_map_common_io();
 }

 MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
 	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
 	.phys_io	= 0x48000000,
 	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
 	.boot_params	= 0x80000100,
 	.map_io		= omap_h4_map_io,
 	.init_irq	= omap_h4_init_irq,
 	.init_machine	= omap_h4_init,
 	.timer		= &omap_timer,
 MACHINE_END
	/*
	* linux/arch/arm/mach-omap2/board-h4.c
	*
	* Copyright (C) 2005 Nokia Corporation
	* Author: Paul Mundt <paul.mundt@nokia.com>
	*
	* 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/delay.h>
	#include <linux/workqueue.h>
	#include <linux/input.h>
	#include <linux/err.h>
	#include <linux/clk.h>

	#include <asm/hardware.h>
	#include <asm/mach-types.h>
	#include <asm/mach/arch.h>
	#include <asm/mach/map.h>
	#include <asm/mach/flash.h>

	#include <asm/arch/control.h>
	#include <asm/arch/gpio.h>
	#include <asm/arch/gpioexpander.h>
	#include <asm/arch/mux.h>
	#include <asm/arch/usb.h>
	#include <asm/arch/irda.h>
	#include <asm/arch/board.h>
	#include <asm/arch/common.h>
	#include <asm/arch/keypad.h>
	#include <asm/arch/menelaus.h>
	#include <asm/arch/dma.h>
	#include <asm/arch/gpmc.h>

	#include <asm/io.h>

	#define H4_FLASH_CS 0
	#define H4_SMC91X_CS 1

	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 flash_platform_data h4_flash_data = {
	.map_name = "cfi_probe",
	.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 = "omapflash",
	.id = 0,
	.dev = {
	.platform_data = &h4_flash_data,
	},
	.num_resources = 1,
	.resource = &h4_flash_resource,
	};

	/* Select between the IrDA and aGPS module
	*/
	static int h4_select_irda(struct device *dev, int state)
	{
	unsigned char expa;
	int err = 0;

	if ((err = read_gpio_expa(&expa, 0x21))) {
	printk(KERN_ERR "Error reading from I/O expander\n");
	return err;
	}

	/* 'P6' enable/disable IRDA_TX and IRDA_RX */
	if (state & IR_SEL) { /* IrDa */
	if ((err = write_gpio_expa(expa \| 0x01, 0x21))) {
	printk(KERN_ERR "Error writing to I/O expander\n");
	return err;
	}
	} else {
	if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
	printk(KERN_ERR "Error writing to I/O expander\n");
	return err;
	}
	}
	return err;
	}

	static void set_trans_mode(struct work_struct *work)
	{
	struct omap_irda_config *irda_config =
	container_of(work, struct omap_irda_config, gpio_expa.work);
	int mode = irda_config->mode;
	unsigned char expa;
	int err = 0;

	if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
	printk(KERN_ERR "Error reading from I/O expander\n");
	}

	expa &= ~0x01;

	if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
	expa \|= 0x01;
	}

	if ((err = write_gpio_expa(expa, 0x20)) != 0) {
	printk(KERN_ERR "Error writing to I/O expander\n");
	}
	}

	static int h4_transceiver_mode(struct device *dev, int mode)
	{
	struct omap_irda_config *irda_config = dev->platform_data;

	irda_config->mode = mode;
	cancel_delayed_work(&irda_config->gpio_expa);
	PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
	schedule_delayed_work(&irda_config->gpio_expa, 0);

	return 0;
	}

	static struct omap_irda_config h4_irda_data = {
	.transceiver_cap = IR_SIRMODE \| IR_MIRMODE \| IR_FIRMODE,
	.transceiver_mode = h4_transceiver_mode,
	.select_irda = h4_select_irda,
	.rx_channel = OMAP24XX_DMA_UART3_RX,
	.tx_channel = OMAP24XX_DMA_UART3_TX,
	.dest_start = OMAP_UART3_BASE,
	.src_start = OMAP_UART3_BASE,
	.tx_trigger = OMAP24XX_DMA_UART3_TX,
	.rx_trigger = OMAP24XX_DMA_UART3_RX,
	};

	static struct resource h4_irda_resources[] = {
	[0] = {
	.start = INT_24XX_UART3_IRQ,
	.end = INT_24XX_UART3_IRQ,
	.flags = IORESOURCE_IRQ,
	},
	};

	static struct platform_device h4_irda_device = {
	.name = "omapirda",
	.id = -1,
	.dev = {
	.platform_data = &h4_irda_data,
	},
	.num_resources = 1,
	.resource = h4_irda_resources,
	};

	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_irda_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_cfg_reg(M15_24XX_GPIO92);
	if (debug_card_init(cs_mem_base, OMAP24XX_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 void __init omap_h4_init_irq(void)
	{
	omap2_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	h4_init_flash();
	}

	static struct omap_uart_config h4_uart_config __initdata = {
	.enabled_uarts = ((1 << 0) \| (1 << 1) \| (1 << 2)),
	};

	static struct omap_mmc_config h4_mmc_config __initdata = {
	.mmc [0] = {
	.enabled = 1,
	.wire4 = 1,
	.wp_pin = -1,
	.power_pin = -1,
	.switch_pin = -1,
	},
	};

	static struct omap_lcd_config h4_lcd_config __initdata = {
	.ctrl_name = "internal",
	};

	static struct omap_board_config_kernel h4_config[] = {
	{ OMAP_TAG_UART, &h4_uart_config },
	{ OMAP_TAG_MMC, &h4_mmc_config },
	{ OMAP_TAG_LCD, &h4_lcd_config },
	};

	static void __init omap_h4_init(void)
	{
	/*
	* 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_OMAP_IR) \|\| defined(CONFIG_OMAP_IR_MODULE)
	omap_cfg_reg(K15_24XX_UART3_TX);
	omap_cfg_reg(K14_24XX_UART3_RX);
	#endif

	#if defined(CONFIG_KEYBOARD_OMAP) \|\| defined(CONFIG_KEYBOARD_OMAP_MODULE)
	if (omap_has_menelaus()) {
	row_gpios[5] = 0;
	col_gpios[2] = 15;
	col_gpios[6] = 18;
	}
	#endif

	platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
	omap_board_config = h4_config;
	omap_board_config_size = ARRAY_SIZE(h4_config);
	omap_serial_init();
	}

	static void __init omap_h4_map_io(void)
	{
	omap2_map_common_io();
	}

	MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
	.phys_io = 0x48000000,
	.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
	.boot_params = 0x80000100,
	.map_io = omap_h4_map_io,
	.init_irq = omap_h4_init_irq,
	.init_machine = omap_h4_init,
	.timer = &omap_timer,
	MACHINE_END