[linux-2.6-block.git] / arch / arm / mach-pxa / colibri-pxa3xx.c

/*
 *  arch/arm/mach-pxa/colibri-pxa3xx.c
 *
 *  Common functions for all Toradex PXA3xx modules
 *
 *  Daniel Mack <daniel@caiaq.de>
 *
 *  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/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/etherdevice.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/sizes.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/pxa3xx-regs.h>
#include <mach/mfp-pxa300.h>
#include <mach/colibri.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>
#include <plat/pxa3xx_nand.h>

#include "generic.h"
#include "devices.h"

#if defined(CONFIG_AX88796)
#define ETHER_ADDR_LEN 6
static u8 ether_mac_addr[ETHER_ADDR_LEN];

void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data)
{
	int i;
	u64 serial = ((u64) system_serial_high << 32) | system_serial_low;

	/*
	 * If the bootloader passed in a serial boot tag, which contains a
	 * valid ethernet MAC, pass it to the interface. Toradex ships the
	 * modules with their own bootloader which provides a valid MAC
	 * this way.
	 */

	for (i = 0; i < ETHER_ADDR_LEN; i++) {
		ether_mac_addr[i] = serial & 0xff;
		serial >>= 8;
	}

	if (is_valid_ether_addr(ether_mac_addr)) {
		plat_data->flags |= AXFLG_MAC_FROMPLATFORM;
		plat_data->mac_addr = ether_mac_addr;
		printk(KERN_INFO "%s(): taking MAC from serial boot tag\n",
			__func__);
	} else {
		plat_data->flags |= AXFLG_MAC_FROMDEV;
		printk(KERN_INFO "%s(): no valid serial boot tag found, "
			"taking MAC from device\n", __func__);
	}
}
#endif

#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static int mmc_detect_pin;

static int colibri_pxa3xx_mci_init(struct device *dev,
				   irq_handler_t colibri_mmc_detect_int,
				   void *data)
{
	int ret;

	ret = gpio_request(mmc_detect_pin, "mmc card detect");
	if (ret)
		return ret;

	gpio_direction_input(mmc_detect_pin);
	ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int,
			  IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
			  "MMC card detect", data);
	if (ret) {
		gpio_free(mmc_detect_pin);
		return ret;
	}

	return 0;
}

static void colibri_pxa3xx_mci_exit(struct device *dev, void *data)
{
	free_irq(mmc_detect_pin, data);
	gpio_free(gpio_to_irq(mmc_detect_pin));
}

static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = {
	.detect_delay_ms	= 200,
	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
	.init			= colibri_pxa3xx_mci_init,
	.exit			= colibri_pxa3xx_mci_exit,
	.gpio_card_detect	= -1,
	.gpio_card_ro		= -1,
	.gpio_power		= -1,
};

void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin)
{
	pxa3xx_mfp_config(pins, len);
	mmc_detect_pin = detect_pin;
	pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data);
}
#endif /* CONFIG_MMC_PXA || CONFIG_MMC_PXA_MODULE */

#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static int lcd_bl_pin;

/*
 * LCD panel (Sharp LQ043T3DX02)
 */
static void colibri_lcd_backlight(int on)
{
	gpio_set_value(lcd_bl_pin, !!on);
}

static struct pxafb_mode_info sharp_lq43_mode = {
	.pixclock	= 101936,
	.xres		= 480,
	.yres		= 272,
	.bpp		= 32,
	.depth		= 18,
	.hsync_len      = 41,
	.left_margin    = 2,
	.right_margin   = 2,
	.vsync_len      = 10,
	.upper_margin   = 2,
	.lower_margin   = 2,
	.sync	   	= 0,
	.cmap_greyscale = 0,
};

static struct pxafb_mach_info sharp_lq43_info = {
	.modes		= &sharp_lq43_mode,
	.num_modes	= 1,
	.cmap_inverse	= 0,
	.cmap_static	= 0,
	.lcd_conn	= LCD_COLOR_TFT_18BPP,
	.pxafb_backlight_power = colibri_lcd_backlight,
};

void __init colibri_pxa3xx_init_lcd(int bl_pin)
{
	lcd_bl_pin = bl_pin;
	gpio_request(bl_pin, "lcd backlight");
	gpio_direction_output(bl_pin, 0);
	set_pxa_fb_info(&sharp_lq43_info);
}
#endif

#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
static struct mtd_partition colibri_nand_partitions[] = {
	{
		.name        = "bootloader",
		.offset      = 0,
		.size        = SZ_512K,
		.mask_flags  = MTD_WRITEABLE, /* force read-only */
	},
	{
		.name        = "kernel",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_4M,
		.mask_flags  = MTD_WRITEABLE, /* force read-only */
	},
	{
		.name        = "reserved",
		.offset      = MTDPART_OFS_APPEND,
		.size        = SZ_1M,
		.mask_flags  = MTD_WRITEABLE, /* force read-only */
	},
	{
		.name        = "fs",
		.offset      = MTDPART_OFS_APPEND,
		.size        = MTDPART_SIZ_FULL,
	},
};

static struct pxa3xx_nand_platform_data colibri_nand_info = {
	.enable_arbiter	= 1,
	.keep_config	= 1,
	.parts		= colibri_nand_partitions,
	.nr_parts	= ARRAY_SIZE(colibri_nand_partitions),
};

void __init colibri_pxa3xx_init_nand(void)
{
	pxa3xx_set_nand_info(&colibri_nand_info);
}
#endif
Commit	Line	Data
acb36559 DM	1	/*
	2	* arch/arm/mach-pxa/colibri-pxa3xx.c
	3	*
	4	* Common functions for all Toradex PXA3xx modules
	5	*
	6	* Daniel Mack <daniel@caiaq.de>
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
	13	#include <linux/init.h>
	14	#include <linux/kernel.h>
	15	#include <linux/platform_device.h>
	16	#include <linux/gpio.h>
22a0200b	17	#include <linux/etherdevice.h>
acb36559 DM	18	#include <asm/mach-types.h>
	19	#include <mach/hardware.h>
	20	#include <asm/sizes.h>
	21	#include <asm/mach/arch.h>
	22	#include <asm/mach/irq.h>
	23	#include <mach/pxa3xx-regs.h>
	24	#include <mach/mfp-pxa300.h>
	25	#include <mach/colibri.h>
	26	#include <mach/mmc.h>
91fcfb90	27	#include <mach/pxafb.h>
82b95ecb	28	#include <plat/pxa3xx_nand.h>
acb36559 DM	29
	30	#include "generic.h"
	31	#include "devices.h"
	32
22a0200b DM	33	#if defined(CONFIG_AX88796)
	34	#define ETHER_ADDR_LEN 6
	35	static u8 ether_mac_addr[ETHER_ADDR_LEN];
	36
	37	void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data)
	38	{
	39	int i;
	40	u64 serial = ((u64) system_serial_high << 32) \| system_serial_low;
	41
	42	/*
	43	* If the bootloader passed in a serial boot tag, which contains a
	44	* valid ethernet MAC, pass it to the interface. Toradex ships the
	45	* modules with their own bootloader which provides a valid MAC
	46	* this way.
	47	*/
	48
	49	for (i = 0; i < ETHER_ADDR_LEN; i++) {
	50	ether_mac_addr[i] = serial & 0xff;
	51	serial >>= 8;
	52	}
	53
	54	if (is_valid_ether_addr(ether_mac_addr)) {
	55	plat_data->flags \|= AXFLG_MAC_FROMPLATFORM;
	56	plat_data->mac_addr = ether_mac_addr;
	57	printk(KERN_INFO "%s(): taking MAC from serial boot tag\n",
	58	__func__);
	59	} else {
	60	plat_data->flags \|= AXFLG_MAC_FROMDEV;
	61	printk(KERN_INFO "%s(): no valid serial boot tag found, "
	62	"taking MAC from device\n", __func__);
	63	}
	64	}
	65	#endif
	66
acb36559 DM	67	#if defined(CONFIG_MMC_PXA) \|\| defined(CONFIG_MMC_PXA_MODULE)
	68	static int mmc_detect_pin;
	69
	70	static int colibri_pxa3xx_mci_init(struct device *dev,
	71	irq_handler_t colibri_mmc_detect_int,
	72	void *data)
	73	{
	74	int ret;
	75
	76	ret = gpio_request(mmc_detect_pin, "mmc card detect");
	77	if (ret)
	78	return ret;
	79
	80	gpio_direction_input(mmc_detect_pin);
	81	ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int,
	82	IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING,
	83	"MMC card detect", data);
	84	if (ret) {
	85	gpio_free(mmc_detect_pin);
	86	return ret;
	87	}
	88
	89	return 0;
	90	}
	91
	92	static void colibri_pxa3xx_mci_exit(struct device dev, void data)
	93	{
	94	free_irq(mmc_detect_pin, data);
	95	gpio_free(gpio_to_irq(mmc_detect_pin));
	96	}
	97
	98	static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = {
f97cab28	99	.detect_delay_ms = 200,
7a648256 RJ	100	.ocr_mask = MMC_VDD_32_33 \| MMC_VDD_33_34,
	101	.init = colibri_pxa3xx_mci_init,
	102	.exit = colibri_pxa3xx_mci_exit,
	103	.gpio_card_detect = -1,
	104	.gpio_card_ro = -1,
	105	.gpio_power = -1,
acb36559 DM	106	};
	107
	108	void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin)
	109	{
	110	pxa3xx_mfp_config(pins, len);
	111	mmc_detect_pin = detect_pin;
	112	pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data);
	113	}
	114	#endif /* CONFIG_MMC_PXA \|\| CONFIG_MMC_PXA_MODULE */
	115
91fcfb90 DM	116	#if defined(CONFIG_FB_PXA) \|\| defined(CONFIG_FB_PXA_MODULE)
	117	static int lcd_bl_pin;
	118
	119	/*
	120	* LCD panel (Sharp LQ043T3DX02)
	121	*/
	122	static void colibri_lcd_backlight(int on)
	123	{
	124	gpio_set_value(lcd_bl_pin, !!on);
	125	}
	126
	127	static struct pxafb_mode_info sharp_lq43_mode = {
	128	.pixclock = 101936,
	129	.xres = 480,
	130	.yres = 272,
	131	.bpp = 32,
	132	.depth = 18,
	133	.hsync_len = 41,
	134	.left_margin = 2,
	135	.right_margin = 2,
	136	.vsync_len = 10,
	137	.upper_margin = 2,
	138	.lower_margin = 2,
	139	.sync = 0,
	140	.cmap_greyscale = 0,
	141	};
	142
	143	static struct pxafb_mach_info sharp_lq43_info = {
	144	.modes = &sharp_lq43_mode,
	145	.num_modes = 1,
	146	.cmap_inverse = 0,
	147	.cmap_static = 0,
	148	.lcd_conn = LCD_COLOR_TFT_18BPP,
	149	.pxafb_backlight_power = colibri_lcd_backlight,
	150	};
	151
	152	void __init colibri_pxa3xx_init_lcd(int bl_pin)
	153	{
	154	lcd_bl_pin = bl_pin;
	155	gpio_request(bl_pin, "lcd backlight");
	156	gpio_direction_output(bl_pin, 0);
	157	set_pxa_fb_info(&sharp_lq43_info);
	158	}
	159	#endif
	160
53740df1 DM	161	#if defined(CONFIG_MTD_NAND_PXA3xx) \|\| defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
	162	static struct mtd_partition colibri_nand_partitions[] = {
	163	{
	164	.name = "bootloader",
	165	.offset = 0,
	166	.size = SZ_512K,
	167	.mask_flags = MTD_WRITEABLE, /* force read-only */
	168	},
	169	{
	170	.name = "kernel",
	171	.offset = MTDPART_OFS_APPEND,
	172	.size = SZ_4M,
	173	.mask_flags = MTD_WRITEABLE, /* force read-only */
	174	},
	175	{
	176	.name = "reserved",
	177	.offset = MTDPART_OFS_APPEND,
	178	.size = SZ_1M,
	179	.mask_flags = MTD_WRITEABLE, /* force read-only */
	180	},
	181	{
	182	.name = "fs",
	183	.offset = MTDPART_OFS_APPEND,
	184	.size = MTDPART_SIZ_FULL,
	185	},
	186	};
	187
	188	static struct pxa3xx_nand_platform_data colibri_nand_info = {
	189	.enable_arbiter = 1,
	190	.keep_config = 1,
	191	.parts = colibri_nand_partitions,
	192	.nr_parts = ARRAY_SIZE(colibri_nand_partitions),
	193	};
	194
	195	void __init colibri_pxa3xx_init_nand(void)
	196	{
	197	pxa3xx_set_nand_info(&colibri_nand_info);
	198	}
	199	#endif
	200