/*
* Copyright 2004-2009 Analog Devices Inc.
* 2008-2009 Bluetechnix
* 2005 National ICT Australia (NICTA)
* Aidan Williams <aidan@nicta.com.au>
*
* Licensed under the GPL-2 or later.
*/
#include <linux/device.h>
#include <linux/export.h>
#include <linux/etherdevice.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
#include <linux/usb/isp1362.h>
#endif
#include <linux/ata_platform.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
#include <asm/dpmc.h>
#include <asm/bfin_sport.h>
/*
* Name the Board for the /proc/cpuinfo
*/
const char bfin_board_name[] = "Bluetechnix CM BF537E";
#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
/* all SPI peripherals info goes here */
#if IS_ENABLED(CONFIG_MTD_M25P80)
static struct mtd_partition bfin_spi_flash_partitions[] = {
{
.name = "bootloader(spi)",
.size = 0x00020000,
.offset = 0,
.mask_flags = MTD_CAP_ROM
}, {
.name = "linux kernel(spi)",
.size = 0xe0000,
.offset = 0x20000
}, {
.name = "file system(spi)",
.size = 0x700000,
.offset = 0x00100000,
}
};
static struct flash_platform_data bfin_spi_flash_data = {
.name = "m25p80",
.parts = bfin_spi_flash_partitions,
.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
.type = "m25p64",
};
/* SPI flash chip (m25p64) */
static struct bfin5xx_spi_chip spi_flash_chip_info = {
.enable_dma = 0, /* use dma transfer with this chip*/
};
#endif
#if IS_ENABLED(CONFIG_MMC_SPI)
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
.enable_dma = 0,
};
#endif
static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if IS_ENABLED(CONFIG_MTD_M25P80)
{
/* the modalias must be the same as spi device driver name */
.modalias = "m25p80", /* Name of spi_driver for this device */
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0, /* Framework bus number */
.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
.platform_data = &bfin_spi_flash_data,
.controller_data = &spi_flash_chip_info,
.mode = SPI_MODE_3,
},
#endif
#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
{
.modalias = "ad183x",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 4,
},
#endif
#if IS_ENABLED(CONFIG_MMC_SPI)
{
.modalias = "mmc_spi",
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 1,
.controller_data = &mmc_spi_chip_info,
.mode = SPI_MODE_3,
},
#endif
};
/* 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,
},
};
/* SPI controller data */
static struct bfin5xx_spi_master bfin_spi0_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 bfin_spi0_device = {
.name = "bfin-spi",
.id = 0, /* Bus number */
.num_resources = ARRAY_SIZE(bfin_spi0_resource),
.resource = bfin_spi0_resource,
.dev = {
.platform_data = &bfin_spi0_info, /* Passed to driver */
},
};
#endif /* spi master and devices */
#if IS_ENABLED(CONFIG_SPI_BFIN_SPORT)
/* SPORT SPI controller data */
static struct bfin5xx_spi_master bfin_sport_spi0_info = {
.num_chipselect = MAX_BLACKFIN_GPIOS,
.enable_dma = 0, /* master don't support DMA */
.pin_req = {P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_DRPRI,
P_SPORT0_RSCLK, P_SPORT0_TFS, P_SPORT0_RFS, 0},
};
static struct resource bfin_sport_spi0_resource[] = {
[0] = {
.start = SPORT0_TCR1,
.end = SPORT0_TCR1 + 0xFF,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SPORT0_ERROR,
.end = IRQ_SPORT0_ERROR,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device bfin_sport_spi0_device = {
.name = &