Linux-2.6.33.2/arch/arm/mach-w90x900/dev.c
/*
* linux/arch/arm/mach-w90x900/dev.c
*
* Copyright (C) 2009 Nuvoton corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation;version 2 of the License.
*
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach-types.h>
#include <mach/regs-serial.h>
#include <mach/nuc900_spi.h>
#include <mach/map.h>
#include "cpu.h"
/*NUC900 evb norflash driver data */
#define NUC900_FLASH_BASE 0xA0000000
#define NUC900_FLASH_SIZE 0x400000
#define SPIOFFSET 0x200
#define SPIOREG_SIZE 0x100
static struct mtd_partition nuc900_flash_partitions[] = {
{
.name = "NOR Partition 1 for kernel (960K)",
.size = 0xF0000,
.offset = 0x10000,
},
{
.name = "NOR Partition 2 for image (1M)",
.size = 0x100000,
.offset = 0x100000,
},
{
.name = "NOR Partition 3 for user (2M)",
.size = 0x200000,
.offset = 0x00200000,
}
};
static struct physmap_flash_data nuc900_flash_data = {
.width = 2,
.parts = nuc900_flash_partitions,
.nr_parts = ARRAY_SIZE(nuc900_flash_partitions),
};
static struct resource nuc900_flash_resources[] = {
{
.start = NUC900_FLASH_BASE,
.end = NUC900_FLASH_BASE + NUC900_FLASH_SIZE - 1,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device nuc900_flash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &nuc900_flash_data,
},
.resource = nuc900_flash_resources,
.num_resources = ARRAY_SIZE(nuc900_flash_resources),
};
/* USB EHCI Host Controller */
static struct resource nuc900_usb_ehci_resource[] = {
[0] = {
.start = W90X900_PA_USBEHCIHOST,
.end = W90X900_PA_USBEHCIHOST + W90X900_SZ_USBEHCIHOST - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_USBH,
.end = IRQ_USBH,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc900_device_usb_ehci_dmamask = 0xffffffffUL;
static struct platform_device nuc900_device_usb_ehci = {
.name = "nuc900-ehci",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_usb_ehci_resource),
.resource = nuc900_usb_ehci_resource,
.dev = {
.dma_mask = &nuc900_device_usb_ehci_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
/* USB OHCI Host Controller */
static struct resource nuc900_usb_ohci_resource[] = {
[0] = {
.start = W90X900_PA_USBOHCIHOST,
.end = W90X900_PA_USBOHCIHOST + W90X900_SZ_USBOHCIHOST - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_USBH,
.end = IRQ_USBH,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc900_device_usb_ohci_dmamask = 0xffffffffUL;
static struct platform_device nuc900_device_usb_ohci = {
.name = "nuc900-ohci",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_usb_ohci_resource),
.resource = nuc900_usb_ohci_resource,
.dev = {
.dma_mask = &nuc900_device_usb_ohci_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
/* USB Device (Gadget)*/
static struct resource nuc900_usbgadget_resource[] = {
[0] = {
.start = W90X900_PA_USBDEV,
.end = W90X900_PA_USBDEV + W90X900_SZ_USBDEV - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_USBD,
.end = IRQ_USBD,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device nuc900_device_usbgadget = {
.name = "nuc900-usbgadget",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_usbgadget_resource),
.resource = nuc900_usbgadget_resource,
};
/* MAC device */
static struct resource nuc900_emc_resource[] = {
[0] = {
.start = W90X900_PA_EMC,
.end = W90X900_PA_EMC + W90X900_SZ_EMC - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_EMCTX,
.end = IRQ_EMCTX,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_EMCRX,
.end = IRQ_EMCRX,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc900_device_emc_dmamask = 0xffffffffUL;
static struct platform_device nuc900_device_emc = {
.name = "nuc900-emc",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_emc_resource),
.resource = nuc900_emc_resource,
.dev = {
.dma_mask = &nuc900_device_emc_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
/* SPI device */
static struct nuc900_spi_info nuc900_spiflash_data = {
.num_cs = 1,
.lsb = 0,
.txneg = 1,
.rxneg = 0,
.divider = 24,
.sleep = 0,
.txnum = 0,
.txbitlen = 1,
.bus_num = 0,
};
static struct resource nuc900_spi_resource[] = {
[0] = {
.start = W90X900_PA_I2C + SPIOFFSET,
.end = W90X900_PA_I2C + SPIOFFSET + SPIOREG_SIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SSP,
.end = IRQ_SSP,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device nuc900_device_spi = {
.name = "nuc900-spi",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_spi_resource),
.resource = nuc900_spi_resource,
.dev = {
.platform_data = &nuc900_spiflash_data,
}
};
/* spi device, spi flash info */
static struct mtd_partition nuc900_spi_flash_partitions[] = {
{
.name = "bootloader(spi)",
.size = 0x0100000,
.offset = 0,
},
};
static struct flash_platform_data nuc900_spi_flash_data = {
.name = "m25p80",
.parts = nuc900_spi_flash_partitions,
.nr_parts = ARRAY_SIZE(nuc900_spi_flash_partitions),
.type = "w25x16",
};
static struct spi_board_info nuc900_spi_board_info[] __initdata = {
{
.modalias = "m25p80",
.max_speed_hz = 20000000,
.bus_num = 0,
.chip_select = 1,
.platform_data = &nuc900_spi_flash_data,
.mode = SPI_MODE_0,
},
};
/* WDT Device */
static struct resource nuc900_wdt_resource[] = {
[0] = {
.start = W90X900_PA_TIMER,
.end = W90X900_PA_TIMER + W90X900_SZ_TIMER - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_WDT,
.end = IRQ_WDT,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device nuc900_device_wdt = {
.name = "nuc900-wdt",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_wdt_resource),
.resource = nuc900_wdt_resource,
};
/*
* public device definition between 910 and 920, or 910
* and 950 or 950 and 960...,their dev platform register
* should be in specific file such as nuc950, nuc960 c
* files rather than the public dev.c file here. so the
* corresponding platform_device definition should not be
* static.
*/
/* RTC controller*/
static struct resource nuc900_rtc_resource[] = {
[0] = {
.start = W90X900_PA_RTC,
.end = W90X900_PA_RTC + 0xff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_RTC,
.end = IRQ_RTC,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device nuc900_device_rtc = {
.name = "nuc900-rtc",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_rtc_resource),
.resource = nuc900_rtc_resource,
};
/*TouchScreen controller*/
static struct resource nuc900_ts_resource[] = {
[0] = {
.start = W90X900_PA_ADC,
.end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_ADC,
.end = IRQ_ADC,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device nuc900_device_ts = {
.name = "nuc900-ts",
.id = -1,
.resource = nuc900_ts_resource,
.num_resources = ARRAY_SIZE(nuc900_ts_resource),
};
/* FMI Device */
static struct resource nuc900_fmi_resource[] = {
[0] = {
.start = W90X900_PA_FMI,
.end = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_FMI,
.end = IRQ_FMI,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc900_device_fmi = {
.name = "nuc900-fmi",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_fmi_resource),
.resource = nuc900_fmi_resource,
};
/* KPI controller*/
static struct resource nuc900_kpi_resource[] = {
[0] = {
.start = W90X900_PA_KPI,
.end = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_KPI,
.end = IRQ_KPI,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc900_device_kpi = {
.name = "nuc900-kpi",
.id = -1,
.num_resources = ARRAY_SIZE(nuc900_kpi_resource),
.resource = nuc900_kpi_resource,
};
/*Here should be your evb resourse,such as LCD*/
static struct platform_device *nuc900_public_dev[] __initdata = {
&nuc900_serial_device,
&nuc900_flash_device,
&nuc900_device_usb_ehci,
&nuc900_device_usb_ohci,
&nuc900_device_usbgadget,
&nuc900_device_emc,
&nuc900_device_spi,
&nuc900_device_wdt,
};
/* Provide adding specific CPU platform devices API */
void __init nuc900_board_init(struct platform_device **device, int size)
{
platform_add_devices(device, size);
platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
spi_register_board_info(nuc900_spi_board_info,
ARRAY_SIZE(nuc900_spi_board_info));
}