[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>
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 0908bea..5da7a68 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -23,6 +23,12 @@
choice
prompt "Select target board"
+config ARCH_GUMSTIX
+ bool "Gumstix XScale boards"
+ help
+ Say Y here if you intend to run this kernel on a
+ Gumstix Full Function Minature Computer.
+
config ARCH_LUBBOCK
bool "Intel DBPXA250 Development Platform"
select PXA25x
@@ -160,6 +166,20 @@
endif
+if ARCH_GUMSTIX
+
+choice
+ prompt "Select target Gumstix board"
+
+config MACH_GUMSTIX_F
+ bool "Basix, Connex, ws-200ax, ws-400ax systems"
+ select PXA25x
+
+endchoice
+
+endif
+
+
if MACH_TRIZEPS4
choice
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index df2eb9f..7cdcb45 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -12,6 +12,7 @@
obj-$(CONFIG_CPU_PXA320) += pxa320.o
# Specific board support
+obj-$(CONFIG_ARCH_GUMSTIX) += gumstix.o
obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c
new file mode 100644
index 0000000..f01d185
--- /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
