diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-ux500/cpu-db8500.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-ux500/cpu-db8500.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-ux500/cpu-db8500.c b/ANDROID_3.4.5/arch/arm/mach-ux500/cpu-db8500.c deleted file mode 100644 index 9bd81638..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-ux500/cpu-db8500.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * Copyright (C) 2008-2009 ST-Ericsson SA - * - * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> - * - * 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. - * - */ -#include <linux/types.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/amba/bus.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/platform_device.h> -#include <linux/io.h> - -#include <asm/mach/map.h> -#include <asm/pmu.h> -#include <plat/gpio-nomadik.h> -#include <mach/hardware.h> -#include <mach/setup.h> -#include <mach/devices.h> -#include <mach/usb.h> -#include <mach/db8500-regs.h> - -#include "devices-db8500.h" -#include "ste-dma40-db8500.h" - -/* minimum static i/o mapping required to boot U8500 platforms */ -static struct map_desc u8500_uart_io_desc[] __initdata = { - __IO_DEV_DESC(U8500_UART0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_UART2_BASE, SZ_4K), -}; - -static struct map_desc u8500_io_desc[] __initdata = { - /* SCU base also covers GIC CPU BASE and TWD with its 4K page */ - __IO_DEV_DESC(U8500_SCU_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GIC_DIST_BASE, SZ_4K), - __IO_DEV_DESC(U8500_L2CC_BASE, SZ_4K), - __IO_DEV_DESC(U8500_MTU0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_BACKUPRAM0_BASE, SZ_8K), - - __IO_DEV_DESC(U8500_CLKRST1_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST2_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST3_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST5_BASE, SZ_4K), - __IO_DEV_DESC(U8500_CLKRST6_BASE, SZ_4K), - - __IO_DEV_DESC(U8500_PRCMU_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO0_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K), - __IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K), - __IO_DEV_DESC(U8500_PRCMU_TCDM_BASE, SZ_4K), -}; - -void __init u8500_map_io(void) -{ - /* - * Map the UARTs early so that the DEBUG_LL stuff continues to work. - */ - iotable_init(u8500_uart_io_desc, ARRAY_SIZE(u8500_uart_io_desc)); - - ux500_map_io(); - - iotable_init(u8500_io_desc, ARRAY_SIZE(u8500_io_desc)); - - _PRCMU_BASE = __io_address(U8500_PRCMU_BASE); -} - -static struct resource db8500_pmu_resources[] = { - [0] = { - .start = IRQ_DB8500_PMU, - .end = IRQ_DB8500_PMU, - .flags = IORESOURCE_IRQ, - }, -}; - -/* - * The PMU IRQ lines of two cores are wired together into a single interrupt. - * Bounce the interrupt to the other core if it's not ours. - */ -static irqreturn_t db8500_pmu_handler(int irq, void *dev, irq_handler_t handler) -{ - irqreturn_t ret = handler(irq, dev); - int other = !smp_processor_id(); - - if (ret == IRQ_NONE && cpu_online(other)) - irq_set_affinity(irq, cpumask_of(other)); - - /* - * We should be able to get away with the amount of IRQ_NONEs we give, - * while still having the spurious IRQ detection code kick in if the - * interrupt really starts hitting spuriously. - */ - return ret; -} - -static struct arm_pmu_platdata db8500_pmu_platdata = { - .handle_irq = db8500_pmu_handler, -}; - -static struct platform_device db8500_pmu_device = { - .name = "arm-pmu", - .id = ARM_PMU_DEVICE_CPU, - .num_resources = ARRAY_SIZE(db8500_pmu_resources), - .resource = db8500_pmu_resources, - .dev.platform_data = &db8500_pmu_platdata, -}; - -static struct platform_device db8500_prcmu_device = { - .name = "db8500-prcmu", -}; - -static struct platform_device *platform_devs[] __initdata = { - &u8500_dma40_device, - &db8500_pmu_device, - &db8500_prcmu_device, -}; - -static resource_size_t __initdata db8500_gpio_base[] = { - U8500_GPIOBANK0_BASE, - U8500_GPIOBANK1_BASE, - U8500_GPIOBANK2_BASE, - U8500_GPIOBANK3_BASE, - U8500_GPIOBANK4_BASE, - U8500_GPIOBANK5_BASE, - U8500_GPIOBANK6_BASE, - U8500_GPIOBANK7_BASE, - U8500_GPIOBANK8_BASE, -}; - -static void __init db8500_add_gpios(struct device *parent) -{ - struct nmk_gpio_platform_data pdata = { - .supports_sleepmode = true, - }; - - dbx500_add_gpios(parent, ARRAY_AND_SIZE(db8500_gpio_base), - IRQ_DB8500_GPIO0, &pdata); -} - -static int usb_db8500_rx_dma_cfg[] = { - DB8500_DMA_DEV38_USB_OTG_IEP_1_9, - DB8500_DMA_DEV37_USB_OTG_IEP_2_10, - DB8500_DMA_DEV36_USB_OTG_IEP_3_11, - DB8500_DMA_DEV19_USB_OTG_IEP_4_12, - DB8500_DMA_DEV18_USB_OTG_IEP_5_13, - DB8500_DMA_DEV17_USB_OTG_IEP_6_14, - DB8500_DMA_DEV16_USB_OTG_IEP_7_15, - DB8500_DMA_DEV39_USB_OTG_IEP_8 -}; - -static int usb_db8500_tx_dma_cfg[] = { - DB8500_DMA_DEV38_USB_OTG_OEP_1_9, - DB8500_DMA_DEV37_USB_OTG_OEP_2_10, - DB8500_DMA_DEV36_USB_OTG_OEP_3_11, - DB8500_DMA_DEV19_USB_OTG_OEP_4_12, - DB8500_DMA_DEV18_USB_OTG_OEP_5_13, - DB8500_DMA_DEV17_USB_OTG_OEP_6_14, - DB8500_DMA_DEV16_USB_OTG_OEP_7_15, - DB8500_DMA_DEV39_USB_OTG_OEP_8 -}; - -static const char *db8500_read_soc_id(void) -{ - void __iomem *uid = __io_address(U8500_BB_UID_BASE); - - return kasprintf(GFP_KERNEL, "%08x%08x%08x%08x%08x", - readl((u32 *)uid+1), - readl((u32 *)uid+1), readl((u32 *)uid+2), - readl((u32 *)uid+3), readl((u32 *)uid+4)); -} - -static struct device * __init db8500_soc_device_init(void) -{ - const char *soc_id = db8500_read_soc_id(); - - return ux500_soc_device_init(soc_id); -} - -/* - * This function is called from the board init - */ -struct device * __init u8500_init_devices(void) -{ - struct device *parent; - int i; - - parent = db8500_soc_device_init(); - - db8500_add_rtc(parent); - db8500_add_gpios(parent); - db8500_add_usb(parent, usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg); - - platform_device_register_data(parent, - "cpufreq-u8500", -1, NULL, 0); - - for (i = 0; i < ARRAY_SIZE(platform_devs); i++) - platform_devs[i]->dev.parent = parent; - - platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); - - return parent; -} |