From 90b8fc34968d3f6c70e309d97597682f119220b9 Mon Sep 17 00:00:00 2001
From: Jaya Kumar <jayakumar.arm@gmail.com>
Date: Sat, 15 Mar 2008 05:11:07 +0100
Subject: [ARM] 4867/1: Adds flash, udc, mci support for gumstix F boards

This patch implements support for Gumstix-F flash, udc and mci. Fixes since the last time are:
- Steve Sakoman as maintainer
- cleanup for udc and mci setup

Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-pxa/gumstix.c | 147 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 arch/arm/mach-pxa/gumstix.c

(limited to 'arch/arm/mach-pxa/gumstix.c')

diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c
new file mode 100644
index 000000000000..f01d18544133
--- /dev/null
+++ b/arch/arm/mach-pxa/gumstix.c
@@ -0,0 +1,147 @@
+/*
+ *  linux/arch/arm/mach-pxa/gumstix.c
+ *
+ *  Support for the Gumstix motherboards.
+ *
+ *  Original Author:	Craig Hughes
+ *  Created:	Feb 14, 2008
+ *  Copyright:	Craig Hughes
+ *
+ *  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.
+ *
+ *  Implemented based on lubbock.c by Nicolas Pitre and code from Craig
+ *  Hughes
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/sizes.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/mach/flash.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/udc.h>
+#include <asm/arch/gumstix.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxa2xx-regs.h>
+
+#include "generic.h"
+
+static struct resource flash_resource = {
+	.start	= 0x00000000,
+	.end	= SZ_64M - 1,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct mtd_partition gumstix_partitions[] = {
+	{
+		.name =		"Bootloader",
+		.size =		0x00040000,
+		.offset =	0,
+		.mask_flags =	MTD_WRITEABLE  /* force read-only */
+	} , {
+		.name =		"rootfs",
+		.size =		MTDPART_SIZ_FULL,
+		.offset =	MTDPART_OFS_APPEND
+	}
+};
+
+static struct flash_platform_data gumstix_flash_data = {
+	.map_name	= "cfi_probe",
+	.parts		= gumstix_partitions,
+	.nr_parts	= ARRAY_SIZE(gumstix_partitions),
+	.width		= 2,
+};
+
+static struct platform_device gumstix_flash_device = {
+	.name		= "pxa2xx-flash",
+	.id		= 0,
+	.dev = {
+		.platform_data = &gumstix_flash_data,
+	},
+	.resource = &flash_resource,
+	.num_resources = 1,
+};
+
+static struct platform_device *devices[] __initdata = {
+	&gumstix_flash_device,
+};
+
+#ifdef CONFIG_MMC_PXA
+static struct pxamci_platform_data gumstix_mci_platform_data;
+
+static int gumstix_mci_init(struct device *dev, irq_handler_t detect_int,
+				void *data)
+{
+	pxa_gpio_mode(GPIO6_MMCCLK_MD);
+	pxa_gpio_mode(GPIO53_MMCCLK_MD);
+	pxa_gpio_mode(GPIO8_MMCCS0_MD);
+
+	return 0;
+}
+
+static struct pxamci_platform_data gumstix_mci_platform_data = {
+	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
+	.init		= gumstix_mci_init,
+};
+
+static void __init gumstix_mmc_init(void)
+{
+	pxa_set_mci_info(&gumstix_mci_platform_data);
+}
+#else
+static void __init gumstix_mmc_init(void)
+{
+	printk(KERN_INFO "Gumstix mmc disabled\n");
+}
+#endif
+
+#ifdef CONFIG_USB_GADGET_PXA2XX
+static struct pxa2xx_udc_mach_info gumstix_udc_info __initdata = {
+	.gpio_vbus		= GPIO_GUMSTIX_USB_GPIOn,
+	.gpio_pullup		= GPIO_GUMSTIX_USB_GPIOx,
+};
+
+static void __init gumstix_udc_init(void)
+{
+	pxa_set_udc_info(&gumstix_udc_info);
+}
+#else
+static void gumstix_udc_init(void)
+{
+	printk(KERN_INFO "Gumstix udc is disabled\n");
+}
+#endif
+
+static void __init gumstix_init(void)
+{
+	gumstix_udc_init();
+	gumstix_mmc_init();
+	(void) platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(GUMSTIX, "Gumstix")
+	.phys_io	= 0x40000000,
+	.boot_params	= 0xa0000100, /* match u-boot bi_boot_params */
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa25x_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= gumstix_init,
+MACHINE_END
-- 
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