Commit 90b8fc34 authored by Jaya Kumar's avatar Jaya Kumar Committed by Russell King

[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: default avatarJaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 4354e188
...@@ -480,6 +480,12 @@ M: kernel@wantstofly.org ...@@ -480,6 +480,12 @@ M: kernel@wantstofly.org
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
S: Maintained S: Maintained
ARM/GUMSTIX MACHINE SUPPORT
P: Steve Sakoman
M: sakoman@gmail.com
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
S: Maintained
ARM/HP JORNADA 7XX MACHINE SUPPORT ARM/HP JORNADA 7XX MACHINE SUPPORT
P: Kristoffer Ericson P: Kristoffer Ericson
M: kristoffer.ericson@gmail.com M: kristoffer.ericson@gmail.com
......
This diff is collapsed.
...@@ -23,6 +23,12 @@ endif ...@@ -23,6 +23,12 @@ endif
choice choice
prompt "Select target board" 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 config ARCH_LUBBOCK
bool "Intel DBPXA250 Development Platform" bool "Intel DBPXA250 Development Platform"
select PXA25x select PXA25x
...@@ -160,6 +166,20 @@ endchoice ...@@ -160,6 +166,20 @@ endchoice
endif 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 if MACH_TRIZEPS4
choice choice
......
...@@ -12,6 +12,7 @@ obj-$(CONFIG_CPU_PXA300) += pxa300.o ...@@ -12,6 +12,7 @@ obj-$(CONFIG_CPU_PXA300) += pxa300.o
obj-$(CONFIG_CPU_PXA320) += pxa320.o obj-$(CONFIG_CPU_PXA320) += pxa320.o
# Specific board support # Specific board support
obj-$(CONFIG_ARCH_GUMSTIX) += gumstix.o
obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
......
/*
* 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
/*
* linux/include/asm-arm/arch-pxa/gumstix.h
*
* 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.
*/
/* BTRESET - Reset line to Bluetooth module, active low signal. */
#define GPIO_GUMSTIX_BTRESET 7
#define GPIO_GUMSTIX_BTRESET_MD (GPIO_GUMSTIX_BTRESET | GPIO_OUT)
/*
GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean
interrupt signal for determining cable presence. On the original gumstix,
this is GPIO81, and GPIO83 needs to be defined as well. On the gumstix F,
this moves to GPIO17 and GPIO37. */
/* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn
has detected a cable insertion; driven low otherwise. */
#ifdef CONFIG_ARCH_GUMSTIX_ORIG
#define GPIO_GUMSTIX_USB_GPIOn 81
#define GPIO_GUMSTIX_USB_GPIOx 83
#else
#define GPIO_GUMSTIX_USB_GPIOn 35
#define GPIO_GUMSTIX_USB_GPIOx 41
#endif
/* usb state change */
#define GUMSTIX_USB_INTR_IRQ IRQ_GPIO(GPIO_GUMSTIX_USB_GPIOn)
#define GPIO_GUMSTIX_USB_GPIOn_MD (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN)
#define GPIO_GUMSTIX_USB_GPIOx_CON_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT)
#define GPIO_GUMSTIX_USB_GPIOx_DIS_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN)
/*
* SD/MMC definitions
*/
#define GUMSTIX_GPIO_nSD_WP 22 /* SD Write Protect */
#define GUMSTIX_GPIO_nSD_DETECT 11 /* MMC/SD Card Detect */
#define GUMSTIX_IRQ_GPIO_nSD_DETECT IRQ_GPIO(GUMSTIX_GPIO_nSD_DETECT)
/*
* SMC Ethernet definitions
* ETH_RST provides a hardware reset line to the ethernet chip
* ETH is the IRQ line in from the ethernet chip to the PXA
*/
#define GPIO_GUMSTIX_ETH0_RST 80
#define GPIO_GUMSTIX_ETH0_RST_MD (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT)
#define GPIO_GUMSTIX_ETH1_RST 52
#define GPIO_GUMSTIX_ETH1_RST_MD (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT)
#define GPIO_GUMSTIX_ETH0 36
#define GPIO_GUMSTIX_ETH0_MD (GPIO_GUMSTIX_ETH0 | GPIO_IN)
#define GUMSTIX_ETH0_IRQ IRQ_GPIO(GPIO_GUMSTIX_ETH0)
#define GPIO_GUMSTIX_ETH1 27
#define GPIO_GUMSTIX_ETH1_MD (GPIO_GUMSTIX_ETH1 | GPIO_IN)
#define GUMSTIX_ETH1_IRQ IRQ_GPIO(GPIO_GUMSTIX_ETH1)
/* CF reset line */
#define GPIO8_RESET 8
/* CF slot 0 */
#define GPIO4_nBVD1 4
#define GPIO4_nSTSCHG GPIO4_nBVD1
#define GPIO11_nCD 11
#define GPIO26_PRDY_nBSY 26
#define GUMSTIX_S0_nSTSCHG_IRQ IRQ_GPIO(GPIO4_nSTSCHG)
#define GUMSTIX_S0_nCD_IRQ IRQ_GPIO(GPIO11_nCD)
#define GUMSTIX_S0_PRDY_nBSY_IRQ IRQ_GPIO(GPIO26_PRDY_nBSY)
/* CF slot 1 */
#define GPIO18_nBVD1 18
#define GPIO18_nSTSCHG GPIO18_nBVD1
#define GPIO36_nCD 36
#define GPIO27_PRDY_nBSY 27
#define GUMSTIX_S1_nSTSCHG_IRQ IRQ_GPIO(GPIO18_nSTSCHG)
#define GUMSTIX_S1_nCD_IRQ IRQ_GPIO(GPIO36_nCD)
#define GUMSTIX_S1_PRDY_nBSY_IRQ IRQ_GPIO(GPIO27_PRDY_nBSY)
/* CF GPIO line modes */
#define GPIO4_nSTSCHG_MD (GPIO4_nSTSCHG | GPIO_IN)
#define GPIO8_RESET_MD (GPIO8_RESET | GPIO_OUT)
#define GPIO11_nCD_MD (GPIO11_nCD | GPIO_IN)
#define GPIO18_nSTSCHG_MD (GPIO18_nSTSCHG | GPIO_IN)
#define GPIO26_PRDY_nBSY_MD (GPIO26_PRDY_nBSY | GPIO_IN)
#define GPIO27_PRDY_nBSY_MD (GPIO27_PRDY_nBSY | GPIO_IN)
#define GPIO36_nCD_MD (GPIO36_nCD | GPIO_IN)
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