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[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>
This commit is contained in:
Jaya Kumar
Russell King
parent
4354e18812
commit
90b8fc3496
6 changed files with 1419 additions and 0 deletions
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@ -480,6 +480,12 @@ M: kernel@wantstofly.org
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L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
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S: Maintained
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ARM/GUMSTIX MACHINE SUPPORT
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P: Steve Sakoman
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M: sakoman@gmail.com
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L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
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S: Maintained
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ARM/HP JORNADA 7XX MACHINE SUPPORT
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P: Kristoffer Ericson
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M: kristoffer.ericson@gmail.com
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1149
arch/arm/configs/am200epdkit_defconfig
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1149
arch/arm/configs/am200epdkit_defconfig
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File diff suppressed because it is too large
Load diff
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@ -23,6 +23,12 @@ endif
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choice
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prompt "Select target board"
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config ARCH_GUMSTIX
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bool "Gumstix XScale boards"
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help
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Say Y here if you intend to run this kernel on a
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Gumstix Full Function Minature Computer.
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config ARCH_LUBBOCK
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bool "Intel DBPXA250 Development Platform"
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select PXA25x
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@ -160,6 +166,20 @@ endchoice
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endif
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if ARCH_GUMSTIX
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choice
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prompt "Select target Gumstix board"
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config MACH_GUMSTIX_F
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bool "Basix, Connex, ws-200ax, ws-400ax systems"
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select PXA25x
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endchoice
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endif
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if MACH_TRIZEPS4
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choice
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@ -12,6 +12,7 @@ obj-$(CONFIG_CPU_PXA300) += pxa300.o
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obj-$(CONFIG_CPU_PXA320) += pxa320.o
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# Specific board support
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obj-$(CONFIG_ARCH_GUMSTIX) += gumstix.o
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obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
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obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
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obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
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147
arch/arm/mach-pxa/gumstix.c
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147
arch/arm/mach-pxa/gumstix.c
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@ -0,0 +1,147 @@
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/*
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* linux/arch/arm/mach-pxa/gumstix.c
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*
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* Support for the Gumstix motherboards.
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*
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* Original Author: Craig Hughes
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* Created: Feb 14, 2008
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* Copyright: Craig Hughes
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Implemented based on lubbock.c by Nicolas Pitre and code from Craig
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* Hughes
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <asm/setup.h>
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#include <asm/memory.h>
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#include <asm/mach-types.h>
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#include <asm/hardware.h>
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#include <asm/irq.h>
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#include <asm/sizes.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/mach/flash.h>
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#include <asm/arch/mmc.h>
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#include <asm/arch/udc.h>
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#include <asm/arch/gumstix.h>
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#include <asm/arch/pxa-regs.h>
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#include <asm/arch/pxa2xx-regs.h>
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#include "generic.h"
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static struct resource flash_resource = {
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.start = 0x00000000,
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.end = SZ_64M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct mtd_partition gumstix_partitions[] = {
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{
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.name = "Bootloader",
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.size = 0x00040000,
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.offset = 0,
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.mask_flags = MTD_WRITEABLE /* force read-only */
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} , {
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.name = "rootfs",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_APPEND
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}
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};
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static struct flash_platform_data gumstix_flash_data = {
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.map_name = "cfi_probe",
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.parts = gumstix_partitions,
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.nr_parts = ARRAY_SIZE(gumstix_partitions),
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.width = 2,
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};
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static struct platform_device gumstix_flash_device = {
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.name = "pxa2xx-flash",
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.id = 0,
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.dev = {
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.platform_data = &gumstix_flash_data,
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},
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.resource = &flash_resource,
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.num_resources = 1,
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};
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static struct platform_device *devices[] __initdata = {
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&gumstix_flash_device,
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};
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#ifdef CONFIG_MMC_PXA
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static struct pxamci_platform_data gumstix_mci_platform_data;
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static int gumstix_mci_init(struct device *dev, irq_handler_t detect_int,
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void *data)
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{
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pxa_gpio_mode(GPIO6_MMCCLK_MD);
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pxa_gpio_mode(GPIO53_MMCCLK_MD);
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pxa_gpio_mode(GPIO8_MMCCS0_MD);
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return 0;
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}
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static struct pxamci_platform_data gumstix_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.init = gumstix_mci_init,
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};
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static void __init gumstix_mmc_init(void)
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{
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pxa_set_mci_info(&gumstix_mci_platform_data);
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}
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#else
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static void __init gumstix_mmc_init(void)
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{
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printk(KERN_INFO "Gumstix mmc disabled\n");
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}
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#endif
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#ifdef CONFIG_USB_GADGET_PXA2XX
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static struct pxa2xx_udc_mach_info gumstix_udc_info __initdata = {
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.gpio_vbus = GPIO_GUMSTIX_USB_GPIOn,
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.gpio_pullup = GPIO_GUMSTIX_USB_GPIOx,
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};
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static void __init gumstix_udc_init(void)
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{
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pxa_set_udc_info(&gumstix_udc_info);
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}
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#else
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static void gumstix_udc_init(void)
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{
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printk(KERN_INFO "Gumstix udc is disabled\n");
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}
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#endif
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static void __init gumstix_init(void)
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{
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gumstix_udc_init();
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gumstix_mmc_init();
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(void) platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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MACHINE_START(GUMSTIX, "Gumstix")
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.phys_io = 0x40000000,
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.boot_params = 0xa0000100, /* match u-boot bi_boot_params */
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.map_io = pxa_map_io,
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.init_irq = pxa25x_init_irq,
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.timer = &pxa_timer,
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.init_machine = gumstix_init,
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MACHINE_END
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96
include/asm-arm/arch-pxa/gumstix.h
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96
include/asm-arm/arch-pxa/gumstix.h
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@ -0,0 +1,96 @@
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/*
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* linux/include/asm-arm/arch-pxa/gumstix.h
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/* BTRESET - Reset line to Bluetooth module, active low signal. */
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#define GPIO_GUMSTIX_BTRESET 7
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#define GPIO_GUMSTIX_BTRESET_MD (GPIO_GUMSTIX_BTRESET | GPIO_OUT)
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/*
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GPIOn - Input from MAX823 (or equiv), normalizing USB +5V into a clean
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interrupt signal for determining cable presence. On the original gumstix,
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this is GPIO81, and GPIO83 needs to be defined as well. On the gumstix F,
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this moves to GPIO17 and GPIO37. */
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/* GPIOx - Connects to USB D+ and used as a pull-up after GPIOn
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has detected a cable insertion; driven low otherwise. */
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#ifdef CONFIG_ARCH_GUMSTIX_ORIG
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#define GPIO_GUMSTIX_USB_GPIOn 81
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#define GPIO_GUMSTIX_USB_GPIOx 83
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#else
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#define GPIO_GUMSTIX_USB_GPIOn 35
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#define GPIO_GUMSTIX_USB_GPIOx 41
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#endif
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/* usb state change */
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#define GUMSTIX_USB_INTR_IRQ IRQ_GPIO(GPIO_GUMSTIX_USB_GPIOn)
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#define GPIO_GUMSTIX_USB_GPIOn_MD (GPIO_GUMSTIX_USB_GPIOn | GPIO_IN)
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#define GPIO_GUMSTIX_USB_GPIOx_CON_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT)
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#define GPIO_GUMSTIX_USB_GPIOx_DIS_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN)
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/*
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* SD/MMC definitions
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*/
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#define GUMSTIX_GPIO_nSD_WP 22 /* SD Write Protect */
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#define GUMSTIX_GPIO_nSD_DETECT 11 /* MMC/SD Card Detect */
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#define GUMSTIX_IRQ_GPIO_nSD_DETECT IRQ_GPIO(GUMSTIX_GPIO_nSD_DETECT)
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/*
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* SMC Ethernet definitions
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* ETH_RST provides a hardware reset line to the ethernet chip
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* ETH is the IRQ line in from the ethernet chip to the PXA
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*/
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#define GPIO_GUMSTIX_ETH0_RST 80
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#define GPIO_GUMSTIX_ETH0_RST_MD (GPIO_GUMSTIX_ETH0_RST | GPIO_OUT)
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#define GPIO_GUMSTIX_ETH1_RST 52
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#define GPIO_GUMSTIX_ETH1_RST_MD (GPIO_GUMSTIX_ETH1_RST | GPIO_OUT)
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#define GPIO_GUMSTIX_ETH0 36
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#define GPIO_GUMSTIX_ETH0_MD (GPIO_GUMSTIX_ETH0 | GPIO_IN)
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#define GUMSTIX_ETH0_IRQ IRQ_GPIO(GPIO_GUMSTIX_ETH0)
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#define GPIO_GUMSTIX_ETH1 27
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#define GPIO_GUMSTIX_ETH1_MD (GPIO_GUMSTIX_ETH1 | GPIO_IN)
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#define GUMSTIX_ETH1_IRQ IRQ_GPIO(GPIO_GUMSTIX_ETH1)
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/* CF reset line */
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#define GPIO8_RESET 8
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/* CF slot 0 */
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#define GPIO4_nBVD1 4
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#define GPIO4_nSTSCHG GPIO4_nBVD1
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#define GPIO11_nCD 11
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#define GPIO26_PRDY_nBSY 26
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#define GUMSTIX_S0_nSTSCHG_IRQ IRQ_GPIO(GPIO4_nSTSCHG)
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#define GUMSTIX_S0_nCD_IRQ IRQ_GPIO(GPIO11_nCD)
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#define GUMSTIX_S0_PRDY_nBSY_IRQ IRQ_GPIO(GPIO26_PRDY_nBSY)
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/* CF slot 1 */
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#define GPIO18_nBVD1 18
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#define GPIO18_nSTSCHG GPIO18_nBVD1
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#define GPIO36_nCD 36
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#define GPIO27_PRDY_nBSY 27
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#define GUMSTIX_S1_nSTSCHG_IRQ IRQ_GPIO(GPIO18_nSTSCHG)
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#define GUMSTIX_S1_nCD_IRQ IRQ_GPIO(GPIO36_nCD)
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#define GUMSTIX_S1_PRDY_nBSY_IRQ IRQ_GPIO(GPIO27_PRDY_nBSY)
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/* CF GPIO line modes */
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#define GPIO4_nSTSCHG_MD (GPIO4_nSTSCHG | GPIO_IN)
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#define GPIO8_RESET_MD (GPIO8_RESET | GPIO_OUT)
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#define GPIO11_nCD_MD (GPIO11_nCD | GPIO_IN)
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#define GPIO18_nSTSCHG_MD (GPIO18_nSTSCHG | GPIO_IN)
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#define GPIO26_PRDY_nBSY_MD (GPIO26_PRDY_nBSY | GPIO_IN)
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#define GPIO27_PRDY_nBSY_MD (GPIO27_PRDY_nBSY | GPIO_IN)
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#define GPIO36_nCD_MD (GPIO36_nCD | GPIO_IN)
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