/*
* 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);