mirror of https://gitee.com/openkylin/linux.git
390 lines
8.5 KiB
C
390 lines
8.5 KiB
C
/*
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* linux/arch/arm/mach-w90x900/dev.c
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*
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* Copyright (C) 2009 Nuvoton corporation.
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*
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* Wan ZongShun <mcuos.com@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation;version 2 of the License.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.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-types.h>
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#include <mach/regs-serial.h>
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#include <mach/map.h>
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#include "cpu.h"
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/*NUC900 evb norflash driver data */
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#define NUC900_FLASH_BASE 0xA0000000
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#define NUC900_FLASH_SIZE 0x400000
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#define SPIOFFSET 0x200
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#define SPIOREG_SIZE 0x100
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static struct mtd_partition nuc900_flash_partitions[] = {
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{
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.name = "NOR Partition 1 for kernel (960K)",
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.size = 0xF0000,
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.offset = 0x10000,
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},
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{
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.name = "NOR Partition 2 for image (1M)",
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.size = 0x100000,
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.offset = 0x100000,
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},
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{
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.name = "NOR Partition 3 for user (2M)",
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.size = 0x200000,
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.offset = 0x00200000,
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}
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};
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static struct physmap_flash_data nuc900_flash_data = {
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.width = 2,
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.parts = nuc900_flash_partitions,
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.nr_parts = ARRAY_SIZE(nuc900_flash_partitions),
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};
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static struct resource nuc900_flash_resources[] = {
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{
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.start = NUC900_FLASH_BASE,
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.end = NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device nuc900_flash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &nuc900_flash_data,
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},
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.resource = nuc900_flash_resources,
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.num_resources = ARRAY_SIZE(nuc900_flash_resources),
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};
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/* USB EHCI Host Controller */
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static struct resource nuc900_usb_ehci_resource[] = {
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[0] = {
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.start = W90X900_PA_USBEHCIHOST,
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.end = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_USBH,
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.end = IRQ_USBH,
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.flags = IORESOURCE_IRQ,
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}
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};
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static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
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static struct platform_device nuc900_device_usb_ehci = {
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.name = "nuc900-ehci",
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.id = -1,
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.num_resources = ARRAY_SIZE(nuc900_usb_ehci_resource),
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.resource = nuc900_usb_ehci_resource,
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.dev = {
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.dma_mask = &nuc900_device_usb_ehci_dmamask,
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.coherent_dma_mask = 0xffffffffUL
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}
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};
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/* USB OHCI Host Controller */
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static struct resource nuc900_usb_ohci_resource[] = {
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[0] = {
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.start = W90X900_PA_USBOHCIHOST,
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.end = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_USBH,
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.end = IRQ_USBH,
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.flags = IORESOURCE_IRQ,
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}
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};
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static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
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static struct platform_device nuc900_device_usb_ohci = {
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.name = "nuc900-ohci",
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.id = -1,
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.num_resources = ARRAY_SIZE(nuc900_usb_ohci_resource),
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.resource = nuc900_usb_ohci_resource,
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.dev = {
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.dma_mask = &nuc900_device_usb_ohci_dmamask,
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.coherent_dma_mask = 0xffffffffUL
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}
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};
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/* USB Device (Gadget)*/
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static struct resource nuc900_usbgadget_resource[] = {
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[0] = {
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.start = W90X900_PA_USBDEV,
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.end = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_USBD,
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.end = IRQ_USBD,
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.flags = IORESOURCE_IRQ,
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}
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};
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static struct platform_device nuc900_device_usbgadget = {
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.name = "nuc900-usbgadget",
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.id = -1,
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.num_resources = ARRAY_SIZE(nuc900_usbgadget_resource),
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.resource = nuc900_usbgadget_resource,
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};
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/* MAC device */
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static struct resource nuc900_emc_resource[] = {
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[0] = {
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.start = W90X900_PA_EMC,
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.end = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_EMCTX,
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.end = IRQ_EMCTX,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.start = IRQ_EMCRX,
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.end = IRQ_EMCRX,
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.flags = IORESOURCE_IRQ,
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}
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};
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static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
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static struct platform_device nuc900_device_emc = {
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.name = "nuc900-emc",
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.id = -1,
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.num_resources = ARRAY_SIZE(nuc900_emc_resource),
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.resource = nuc900_emc_resource,
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.dev = {
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.dma_mask = &nuc900_device_emc_dmamask,
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.coherent_dma_mask = 0xffffffffUL
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}
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};
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/* SPI device */
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static struct resource nuc900_spi_resource[] = {
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[0] = {
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.start = W90X900_PA_I2C + SPIOFFSET,
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.end = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_SSP,
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.end = IRQ_SSP,
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.flags = IORESOURCE_IRQ,
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}
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};
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static struct platform_device nuc900_device_spi = {
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.name = "nuc900-spi",
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.id = -1,
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.num_resources = ARRAY_SIZE(nuc900_spi_resource),
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.resource = nuc900_spi_resource,
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};
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/* spi device, spi flash info */
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static struct mtd_partition nuc900_spi_flash_partitions[] = {
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{
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.name = "bootloader(spi)",
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.size = 0x0100000,
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.offset = 0,
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},
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};
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static struct flash_platform_data nuc900_spi_flash_data = {
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.name = "m25p80",
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.parts = nuc900_spi_flash_partitions,
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.nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
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.type = "w25x16",
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};
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static struct spi_board_info nuc900_spi_board_info[] __initdata = {
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{
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.modalias = "m25p80",
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.max_speed_hz = 20000000,
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.bus_num = 0,
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.chip_select = 1,
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.platform_data = &nuc900_spi_flash_data,
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.mode = SPI_MODE_0,
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},
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};
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/* WDT Device */
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static struct resource nuc900_wdt_resource[] = {
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[0] = {
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.start = W90X900_PA_TIMER,
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.end = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_WDT,
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.end = IRQ_WDT,
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.flags = IORESOURCE_IRQ,
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}
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};
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static struct platform_device nuc900_device_wdt = {
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.name = "nuc900-wdt",
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.id = -1,
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.num_resources = ARRAY_SIZE(nuc900_wdt_resource),
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.resource = nuc900_wdt_resource,
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};
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/*
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* public device definition between 910 and 920, or 910
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* and 950 or 950 and 960...,their dev platform register
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* should be in specific file such as nuc950, nuc960 c
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* files rather than the public dev.c file here. so the
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* corresponding platform_device definition should not be
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* static.
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*/
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/* RTC controller*/
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static struct resource nuc900_rtc_resource[] = {
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[0] = {
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.start = W90X900_PA_RTC,
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.end = W90X900_PA_RTC + 0xff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_RTC,
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.end = IRQ_RTC,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device nuc900_device_rtc = {
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.name = "nuc900-rtc",
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.id = -1,
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.num_resources = ARRAY_SIZE(nuc900_rtc_resource),
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.resource = nuc900_rtc_resource,
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};
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/*TouchScreen controller*/
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static struct resource nuc900_ts_resource[] = {
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[0] = {
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.start = W90X900_PA_ADC,
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.end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_ADC,
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.end = IRQ_ADC,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device nuc900_device_ts = {
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.name = "nuc900-ts",
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.id = -1,
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.resource = nuc900_ts_resource,
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.num_resources = ARRAY_SIZE(nuc900_ts_resource),
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};
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/* FMI Device */
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static struct resource nuc900_fmi_resource[] = {
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[0] = {
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.start = W90X900_PA_FMI,
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.end = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_FMI,
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.end = IRQ_FMI,
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.flags = IORESOURCE_IRQ,
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}
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};
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struct platform_device nuc900_device_fmi = {
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.name = "nuc900-fmi",
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.id = -1,
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.num_resources = ARRAY_SIZE(nuc900_fmi_resource),
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.resource = nuc900_fmi_resource,
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};
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/* KPI controller*/
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static struct resource nuc900_kpi_resource[] = {
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[0] = {
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.start = W90X900_PA_KPI,
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.end = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_KPI,
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.end = IRQ_KPI,
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.flags = IORESOURCE_IRQ,
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}
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};
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struct platform_device nuc900_device_kpi = {
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.name = "nuc900-kpi",
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.id = -1,
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.num_resources = ARRAY_SIZE(nuc900_kpi_resource),
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.resource = nuc900_kpi_resource,
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};
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/*Here should be your evb resourse,such as LCD*/
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static struct platform_device *nuc900_public_dev[] __initdata = {
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&nuc900_serial_device,
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&nuc900_flash_device,
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&nuc900_device_usb_ehci,
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&nuc900_device_usb_ohci,
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&nuc900_device_usbgadget,
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&nuc900_device_emc,
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&nuc900_device_spi,
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&nuc900_device_wdt,
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};
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/* Provide adding specific CPU platform devices API */
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void __init nuc900_board_init(struct platform_device **device, int size)
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{
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platform_add_devices(device, size);
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platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
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spi_register_board_info(nuc900_spi_board_info,
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ARRAY_SIZE(nuc900_spi_board_info));
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}
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