diff options
Diffstat (limited to 'arch/blackfin/mach-bf537/boards/dnp5370.c')
| -rw-r--r-- | arch/blackfin/mach-bf537/boards/dnp5370.c | 413 |
1 files changed, 413 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf537/boards/dnp5370.c b/arch/blackfin/mach-bf537/boards/dnp5370.c new file mode 100644 index 000000000..e79b3b810 --- /dev/null +++ b/arch/blackfin/mach-bf537/boards/dnp5370.c @@ -0,0 +1,413 @@ +/* + * This is the configuration for SSV Dil/NetPC DNP/5370 board. + * + * DIL module: http://www.dilnetpc.com/dnp0086.htm + * SK28 (starter kit): http://www.dilnetpc.com/dnp0088.htm + * + * Copyright 2010 3ality Digital Systems + * Copyright 2005 National ICT Australia (NICTA) + * Copyright 2004-2006 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <linux/device.h> +#include <linux/export.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/plat-ram.h> +#include <linux/mtd/physmap.h> +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/i2c.h> +#include <linux/spi/mmc_spi.h> +#include <linux/phy.h> +#include <asm/dma.h> +#include <asm/bfin5xx_spi.h> +#include <asm/reboot.h> +#include <asm/portmux.h> +#include <asm/dpmc.h> + +/* + * Name the Board for the /proc/cpuinfo + */ +const char bfin_board_name[] = "DNP/5370"; +#define FLASH_MAC 0x202f0000 +#define CONFIG_MTD_PHYSMAP_LEN 0x300000 + +#if IS_ENABLED(CONFIG_RTC_DRV_BFIN) +static struct platform_device rtc_device = { + .name = "rtc-bfin", + .id = -1, +}; +#endif + +#if IS_ENABLED(CONFIG_BFIN_MAC) +#include <linux/bfin_mac.h> +static const unsigned short bfin_mac_peripherals[] = P_RMII0; + +static struct bfin_phydev_platform_data bfin_phydev_data[] = { + { + .addr = 1, + .irq = PHY_POLL, /* IRQ_MAC_PHYINT */ + }, +}; + +static struct bfin_mii_bus_platform_data bfin_mii_bus_data = { + .phydev_number = 1, + .phydev_data = bfin_phydev_data, + .phy_mode = PHY_INTERFACE_MODE_RMII, + .mac_peripherals = bfin_mac_peripherals, +}; + +static struct platform_device bfin_mii_bus = { + .name = "bfin_mii_bus", + .dev = { + .platform_data = &bfin_mii_bus_data, + } +}; + +static struct platform_device bfin_mac_device = { + .name = "bfin_mac", + .dev = { + .platform_data = &bfin_mii_bus, + } +}; +#endif + +#if IS_ENABLED(CONFIG_MTD_PHYSMAP) +static struct mtd_partition asmb_flash_partitions[] = { + { + .name = "bootloader(nor)", + .size = 0x30000, + .offset = 0, + }, { + .name = "linux kernel and rootfs(nor)", + .size = 0x300000 - 0x30000 - 0x10000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "MAC address(nor)", + .size = 0x10000, + .offset = MTDPART_OFS_APPEND, + .mask_flags = MTD_WRITEABLE, + } +}; + +static struct physmap_flash_data asmb_flash_data = { + .width = 1, + .parts = asmb_flash_partitions, + .nr_parts = ARRAY_SIZE(asmb_flash_partitions), +}; + +static struct resource asmb_flash_resource = { + .start = 0x20000000, + .end = 0x202fffff, + .flags = IORESOURCE_MEM, +}; + +/* 4 MB NOR flash attached to async memory banks 0-2, + * therefore only 3 MB visible. + */ +static struct platform_device asmb_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &asmb_flash_data, + }, + .num_resources = 1, + .resource = &asmb_flash_resource, +}; +#endif + +#if IS_ENABLED(CONFIG_SPI_BFIN5XX) + +#if IS_ENABLED(CONFIG_MMC_SPI) + +static struct bfin5xx_spi_chip mmc_spi_chip_info = { + .enable_dma = 0, /* use no dma transfer with this chip*/ +}; + +#endif + +#if IS_ENABLED(CONFIG_MTD_DATAFLASH) +/* This mapping is for at45db642 it has 1056 page size, + * partition size and offset should be page aligned + */ +static struct mtd_partition bfin_spi_dataflash_partitions[] = { + { + .name = "JFFS2 dataflash(nor)", +#ifdef CONFIG_MTD_PAGESIZE_1024 + .offset = 0x40000, + .size = 0x7C0000, +#else + .offset = 0x0, + .size = 0x840000, +#endif + } +}; + +static struct flash_platform_data bfin_spi_dataflash_data = { + .name = "mtd_dataflash", + .parts = bfin_spi_dataflash_partitions, + .nr_parts = ARRAY_SIZE(bfin_spi_dataflash_partitions), + .type = "mtd_dataflash", +}; + +static struct bfin5xx_spi_chip spi_dataflash_chip_info = { + .enable_dma = 0, /* use no dma transfer with this chip*/ +}; +#endif + +static struct spi_board_info bfin_spi_board_info[] __initdata = { +/* SD/MMC card reader at SPI bus */ +#if IS_ENABLED(CONFIG_MMC_SPI) + { + .modalias = "mmc_spi", + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 1, + .controller_data = &mmc_spi_chip_info, + .mode = SPI_MODE_3, + }, +#endif + +/* 8 Megabyte Atmel NOR flash chip at SPI bus */ +#if IS_ENABLED(CONFIG_MTD_DATAFLASH) + { + .modalias = "mtd_dataflash", + .max_speed_hz = 16700000, + .bus_num = 0, + .chip_select = 2, + .platform_data = &bfin_spi_dataflash_data, + .controller_data = &spi_dataflash_chip_info, + .mode = SPI_MODE_3, /* SPI_CPHA and SPI_CPOL */ + }, +#endif +}; + +/* SPI controller data */ +/* SPI (0) */ +static struct resource bfin_spi0_resource[] = { + [0] = { + .start = SPI0_REGBASE, + .end = SPI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI, + .end = CH_SPI, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = IRQ_SPI, + .end = IRQ_SPI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct bfin5xx_spi_master spi_bfin_master_info = { + .num_chipselect = 8, + .enable_dma = 1, /* master has the ability to do dma transfer */ + .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0}, +}; + +static struct platform_device spi_bfin_master_device = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, + .dev = { + .platform_data = &spi_bfin_master_info, /* Passed to driver */ + }, +}; +#endif + +#if IS_ENABLED(CONFIG_SERIAL_BFIN) +#ifdef CONFIG_SERIAL_BFIN_UART0 +static struct resource bfin_uart0_resources[] = { + { + .start = UART0_THR, + .end = UART0_GCTL+2, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_UART0_TX, + .end = IRQ_UART0_TX, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_UART0_RX, + .end = IRQ_UART0_RX, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_UART0_ERROR, + .end = IRQ_UART0_ERROR, + .flags = IORESOURCE_IRQ, + }, + { + .start = CH_UART0_TX, + .end = CH_UART0_TX, + .flags = IORESOURCE_DMA, + }, + { + .start = CH_UART0_RX, + .end = CH_UART0_RX, + .flags = IORESOURCE_DMA, + }, +}; + +static unsigned short bfin_uart0_peripherals[] = { + P_UART0_TX, P_UART0_RX, 0 +}; + +static struct platform_device bfin_uart0_device = { + .name = "bfin-uart", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_uart0_resources), + .resource = bfin_uart0_resources, + .dev = { + .platform_data = &bfin_uart0_peripherals, /* Passed to driver */ + }, +}; +#endif + +#ifdef CONFIG_SERIAL_BFIN_UART1 +static struct resource bfin_uart1_resources[] = { + { + .start = UART1_THR, + .end = UART1_GCTL+2, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_UART1_TX, + .end = IRQ_UART1_TX, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_UART1_RX, + .end = IRQ_UART1_RX, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_UART1_ERROR, + .end = IRQ_UART1_ERROR, + .flags = IORESOURCE_IRQ, + }, + { + .start = CH_UART1_TX, + .end = CH_UART1_TX, + .flags = IORESOURCE_DMA, + }, + { + .start = CH_UART1_RX, + .end = CH_UART1_RX, + .flags = IORESOURCE_DMA, + }, +}; + +static unsigned short bfin_uart1_peripherals[] = { + P_UART1_TX, P_UART1_RX, 0 +}; + +static struct platform_device bfin_uart1_device = { + .name = "bfin-uart", + .id = 1, + .num_resources = ARRAY_SIZE(bfin_uart1_resources), + .resource = bfin_uart1_resources, + .dev = { + .platform_data = &bfin_uart1_peripherals, /* Passed to driver */ + }, +}; +#endif +#endif + +#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI) +static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0}; + +static struct resource bfin_twi0_resource[] = { + [0] = { + .start = TWI0_REGBASE, + .end = TWI0_REGBASE + 0xff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_TWI, + .end = IRQ_TWI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device i2c_bfin_twi_device = { + .name = "i2c-bfin-twi", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_twi0_resource), + .resource = bfin_twi0_resource, + .dev = { + .platform_data = &bfin_twi0_pins, + }, +}; +#endif + +static struct platform_device *dnp5370_devices[] __initdata = { + +#if IS_ENABLED(CONFIG_SERIAL_BFIN) +#ifdef CONFIG_SERIAL_BFIN_UART0 + &bfin_uart0_device, +#endif +#ifdef CONFIG_SERIAL_BFIN_UART1 + &bfin_uart1_device, +#endif +#endif + +#if IS_ENABLED(CONFIG_MTD_PHYSMAP) + &asmb_flash_device, +#endif + +#if IS_ENABLED(CONFIG_BFIN_MAC) + &bfin_mii_bus, + &bfin_mac_device, +#endif + +#if IS_ENABLED(CONFIG_SPI_BFIN5XX) + &spi_bfin_master_device, +#endif + +#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI) + &i2c_bfin_twi_device, +#endif + +#if IS_ENABLED(CONFIG_RTC_DRV_BFIN) + &rtc_device, +#endif + +}; + +static int __init dnp5370_init(void) +{ + printk(KERN_INFO "DNP/5370: registering device resources\n"); + platform_add_devices(dnp5370_devices, ARRAY_SIZE(dnp5370_devices)); + printk(KERN_INFO "DNP/5370: registering %zu SPI slave devices\n", + ARRAY_SIZE(bfin_spi_board_info)); + spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); + printk(KERN_INFO "DNP/5370: MAC %pM\n", (void *)FLASH_MAC); + return 0; +} +arch_initcall(dnp5370_init); + +/* + * Currently the MAC address is saved in Flash by U-Boot + */ +int bfin_get_ether_addr(char *addr) +{ + *(u32 *)(&(addr[0])) = bfin_read32(FLASH_MAC); + *(u16 *)(&(addr[4])) = bfin_read16(FLASH_MAC + 4); + return 0; +} +EXPORT_SYMBOL(bfin_get_ether_addr); |