| /* |
| * 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/slab.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 <mach/fb.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, |
| }; |
| |
| #ifdef CONFIG_FB_NUC900 |
| |
| static struct resource nuc900_lcd_resource[] = { |
| [0] = { |
| .start = W90X900_PA_LCD, |
| .end = W90X900_PA_LCD + W90X900_SZ_LCD - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = IRQ_LCD, |
| .end = IRQ_LCD, |
| .flags = IORESOURCE_IRQ, |
| } |
| }; |
| |
| static u64 nuc900_device_lcd_dmamask = -1; |
| struct platform_device nuc900_device_lcd = { |
| .name = "nuc900-lcd", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(nuc900_lcd_resource), |
| .resource = nuc900_lcd_resource, |
| .dev = { |
| .dma_mask = &nuc900_device_lcd_dmamask, |
| .coherent_dma_mask = -1, |
| } |
| }; |
| |
| void nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd) |
| { |
| struct nuc900fb_mach_info *npd; |
| |
| npd = kmalloc(sizeof(*npd), GFP_KERNEL); |
| if (npd) { |
| memcpy(npd, pd, sizeof(*npd)); |
| nuc900_device_lcd.dev.platform_data = npd; |
| } else { |
| printk(KERN_ERR "no memory for LCD platform data\n"); |
| } |
| } |
| #endif |
| |
| /*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)); |
| } |
| |