diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-pxa/gumstix.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-pxa/gumstix.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-pxa/gumstix.c b/ANDROID_3.4.5/arch/arm/mach-pxa/gumstix.c deleted file mode 100644 index e529a35a..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-pxa/gumstix.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * 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/delay.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/gpio.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/usb/gpio_vbus.h> - -#include <asm/setup.h> -#include <asm/memory.h> -#include <asm/mach-types.h> -#include <mach/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 <mach/pxa25x.h> -#include <mach/mmc.h> -#include <mach/udc.h> -#include <mach/gumstix.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 = { - .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .gpio_card_detect = -1, - .gpio_card_ro = -1, - .gpio_power = -1, -}; - -static void __init gumstix_mmc_init(void) -{ - pxa_set_mci_info(&gumstix_mci_platform_data); -} -#else -static void __init gumstix_mmc_init(void) -{ - pr_debug("Gumstix mmc disabled\n"); -} -#endif - -#ifdef CONFIG_USB_PXA25X -static struct gpio_vbus_mach_info gumstix_udc_info = { - .gpio_vbus = GPIO_GUMSTIX_USB_GPIOn, - .gpio_pullup = GPIO_GUMSTIX_USB_GPIOx, -}; - -static struct platform_device gumstix_gpio_vbus = { - .name = "gpio-vbus", - .id = -1, - .dev = { - .platform_data = &gumstix_udc_info, - }, -}; - -static void __init gumstix_udc_init(void) -{ - platform_device_register(&gumstix_gpio_vbus); -} -#else -static void gumstix_udc_init(void) -{ - pr_debug("Gumstix udc is disabled\n"); -} -#endif - -#ifdef CONFIG_BT -/* Normally, the bootloader would have enabled this 32kHz clock but many -** boards still have u-boot 1.1.4 so we check if it has been turned on and -** if not, we turn it on with a warning message. */ -static void gumstix_setup_bt_clock(void) -{ - int timeout = 500; - - if (!(OSCC & OSCC_OOK)) - pr_warning("32kHz clock was not on. Bootloader may need to " - "be updated\n"); - else - return; - - OSCC |= OSCC_OON; - do { - if (OSCC & OSCC_OOK) - break; - udelay(1); - } while (--timeout); - if (!timeout) - pr_err("Failed to start 32kHz clock\n"); -} - -static void __init gumstix_bluetooth_init(void) -{ - int err; - - gumstix_setup_bt_clock(); - - err = gpio_request(GPIO_GUMSTIX_BTRESET, "BTRST"); - if (err) { - pr_err("gumstix: failed request gpio for bluetooth reset\n"); - return; - } - - err = gpio_direction_output(GPIO_GUMSTIX_BTRESET, 1); - if (err) { - pr_err("gumstix: can't reset bluetooth\n"); - return; - } - gpio_set_value(GPIO_GUMSTIX_BTRESET, 0); - udelay(100); - gpio_set_value(GPIO_GUMSTIX_BTRESET, 1); -} -#else -static void gumstix_bluetooth_init(void) -{ - pr_debug("Gumstix Bluetooth is disabled\n"); -} -#endif - -static unsigned long gumstix_pin_config[] __initdata = { - GPIO12_32KHz, - /* BTUART */ - GPIO42_HWUART_RXD, - GPIO43_HWUART_TXD, - GPIO44_HWUART_CTS, - GPIO45_HWUART_RTS, - /* MMC */ - GPIO6_MMC_CLK, - GPIO53_MMC_CLK, - GPIO8_MMC_CS0, -}; - -int __attribute__((weak)) am200_init(void) -{ - return 0; -} - -int __attribute__((weak)) am300_init(void) -{ - return 0; -} - -static void __init carrier_board_init(void) -{ - /* - * put carrier/expansion board init here if - * they cannot be detected programatically - */ - am200_init(); - am300_init(); -} - -static void __init gumstix_init(void) -{ - pxa2xx_mfp_config(ARRAY_AND_SIZE(gumstix_pin_config)); - - pxa_set_ffuart_info(NULL); - pxa_set_btuart_info(NULL); - pxa_set_stuart_info(NULL); - pxa_set_hwuart_info(NULL); - - gumstix_bluetooth_init(); - gumstix_udc_init(); - gumstix_mmc_init(); - (void) platform_add_devices(devices, ARRAY_SIZE(devices)); - carrier_board_init(); -} - -MACHINE_START(GUMSTIX, "Gumstix") - .atag_offset = 0x100, /* match u-boot bi_boot_params */ - .map_io = pxa25x_map_io, - .nr_irqs = PXA_NR_IRQS, - .init_irq = pxa25x_init_irq, - .handle_irq = pxa25x_handle_irq, - .timer = &pxa_timer, - .init_machine = gumstix_init, - .restart = pxa_restart, -MACHINE_END |