diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/Kconfig | 20 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/gumstix.c | 147 |
3 files changed, 168 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 0908bea0f60..5da7a682049 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -23,6 +23,12 @@ endif 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 @@ endchoice 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 df2eb9fcf94..7cdcb459ea9 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_CPU_PXA300) += pxa300.o obj-$(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 00000000000..f01d1854413 --- /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 |