cm_bf537e.c 17 KB
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/*
 * File:         arch/blackfin/mach-bf537/boards/cm_bf537.c
 * Based on:     arch/blackfin/mach-bf533/boards/ezkit.c
 * Author:       Aidan Williams <aidan@nicta.com.au>
 *
 * Created:      2005
 * Description:  Board description file
 *
 * Modified:
 *               Copyright 2005 National ICT Australia (NICTA)
 *               Copyright 2004-2006 Analog Devices Inc.
 *
 * Bugs:         Enter bugs at http://blackfin.uclinux.org/
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see the file COPYING, or write
 * to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <linux/device.h>
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#include <linux/etherdevice.h>
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#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
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#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
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#include <linux/usb/isp1362.h>
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#endif
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#include <linux/ata_platform.h>
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#include <linux/irq.h>
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#include <asm/dma.h>
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#include <asm/bfin5xx_spi.h>
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#include <asm/portmux.h>
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#include <asm/dpmc.h>
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/*
 * Name the Board for the /proc/cpuinfo
 */
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const char bfin_board_name[] = "Bluetechnix CM BF537E";
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#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
/* all SPI peripherals info goes here */

#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
static struct mtd_partition bfin_spi_flash_partitions[] = {
	{
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		.name = "bootloader(spi)",
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		.size = 0x00020000,
		.offset = 0,
		.mask_flags = MTD_CAP_ROM
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	}, {
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		.name = "linux kernel(spi)",
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		.size = 0xe0000,
		.offset = 0x20000
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	}, {
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		.name = "file system(spi)",
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		.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*/
	.bits_per_word = 8,
};
#endif

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#if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
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/* SPI ADC chip */
static struct bfin5xx_spi_chip spi_adc_chip_info = {
	.enable_dma = 1,         /* use dma transfer with this chip*/
	.bits_per_word = 16,
};
#endif

#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
	.enable_dma = 0,
	.bits_per_word = 16,
};
#endif

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#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
	.enable_dma = 0,
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	.bits_per_word = 8,
};
#endif

static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
	{
		/* 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 */
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		.bus_num = 0, /* Framework bus number */
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		.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

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#if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
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	{
		.modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
		.max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
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		.bus_num = 0, /* Framework bus number */
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		.chip_select = 1, /* Framework chip select. */
		.platform_data = NULL, /* No spi_driver specific config */
		.controller_data = &spi_adc_chip_info,
	},
#endif

#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
	{
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		.modalias = "ad1836",
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		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
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		.bus_num = 0,
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		.chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
		.controller_data = &ad1836_spi_chip_info,
	},
#endif

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#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
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	{
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		.modalias = "mmc_spi",
		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
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		.bus_num = 0,
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		.chip_select = 1,
		.controller_data = &mmc_spi_chip_info,
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		.mode = SPI_MODE_3,
	},
#endif
};

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/* 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,
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		.flags = IORESOURCE_DMA,
	},
	[2] = {
		.start = IRQ_SPI,
		.end   = IRQ_SPI,
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		.flags = IORESOURCE_IRQ,
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	},
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};

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/* SPI controller data */
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static struct bfin5xx_spi_master bfin_spi0_info = {
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	.num_chipselect = 8,
	.enable_dma = 1,  /* master has the ability to do dma transfer */
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	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
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};

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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,
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	.dev = {
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		.platform_data = &bfin_spi0_info, /* Passed to driver */
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	},
};
#endif  /* spi master and devices */

#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
static struct platform_device rtc_device = {
	.name = "rtc-bfin",
	.id   = -1,
};
#endif

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#if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
static struct platform_device hitachi_fb_device = {
	.name = "hitachi-tx09",
};
#endif

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#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
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#include <linux/smc91x.h>

static struct smc91x_platdata smc91x_info = {
	.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
	.leda = RPC_LED_100_10,
	.ledb = RPC_LED_TX_RX,
};

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static struct resource smc91x_resources[] = {
	{
		.start = 0x20200300,
		.end = 0x20200300 + 16,
		.flags = IORESOURCE_MEM,
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	}, {
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		.start = IRQ_PF14,
		.end = IRQ_PF14,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
		},
};

static struct platform_device smc91x_device = {
	.name = "smc91x",
	.id = 0,
	.num_resources = ARRAY_SIZE(smc91x_resources),
	.resource = smc91x_resources,
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	.dev	= {
		.platform_data	= &smc91x_info,
	},
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};
#endif

#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
static struct resource isp1362_hcd_resources[] = {
	{
		.start = 0x20308000,
		.end = 0x20308000,
		.flags = IORESOURCE_MEM,
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	}, {
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		.start = 0x20308004,
		.end = 0x20308004,
		.flags = IORESOURCE_MEM,
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	}, {
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		.start = IRQ_PG15,
		.end = IRQ_PG15,
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
	},
};

static struct isp1362_platform_data isp1362_priv = {
	.sel15Kres = 1,
	.clknotstop = 0,
	.oc_enable = 0,
	.int_act_high = 0,
	.int_edge_triggered = 0,
	.remote_wakeup_connected = 0,
	.no_power_switching = 1,
	.power_switching_mode = 0,
};

static struct platform_device isp1362_hcd_device = {
	.name = "isp1362-hcd",
	.id = 0,
	.dev = {
		.platform_data = &isp1362_priv,
	},
	.num_resources = ARRAY_SIZE(isp1362_hcd_resources),
	.resource = isp1362_hcd_resources,
};
#endif

#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
static struct resource net2272_bfin_resources[] = {
	{
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		.start = 0x20300000,
		.end = 0x20300000 + 0x100,
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		.flags = IORESOURCE_MEM,
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	}, {
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		.start = IRQ_PG13,
		.end = IRQ_PG13,
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		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
	},
};

static struct platform_device net2272_bfin_device = {
	.name = "net2272",
	.id = -1,
	.num_resources = ARRAY_SIZE(net2272_bfin_resources),
	.resource = net2272_bfin_resources,
};
#endif

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static struct resource bfin_gpios_resources = {
	.start = 0,
	.end   = MAX_BLACKFIN_GPIOS - 1,
	.flags = IORESOURCE_IRQ,
};

static struct platform_device bfin_gpios_device = {
	.name = "simple-gpio",
	.id = -1,
	.num_resources = 1,
	.resource = &bfin_gpios_resources,
};

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#if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
static struct mtd_partition cm_partitions[] = {
	{
		.name   = "bootloader(nor)",
		.size   = 0x40000,
		.offset = 0,
	}, {
		.name   = "linux kernel(nor)",
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		.size   = 0x100000,
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		.offset = MTDPART_OFS_APPEND,
	}, {
		.name   = "file system(nor)",
		.size   = MTDPART_SIZ_FULL,
		.offset = MTDPART_OFS_APPEND,
	}
};

static struct physmap_flash_data cm_flash_data = {
	.width    = 2,
	.parts    = cm_partitions,
	.nr_parts = ARRAY_SIZE(cm_partitions),
};

static unsigned cm_flash_gpios[] = { GPIO_PF4 };

static struct resource cm_flash_resource[] = {
	{
		.name  = "cfi_probe",
		.start = 0x20000000,
		.end   = 0x201fffff,
		.flags = IORESOURCE_MEM,
	}, {
		.start = (unsigned long)cm_flash_gpios,
		.end   = ARRAY_SIZE(cm_flash_gpios),
		.flags = IORESOURCE_IRQ,
	}
};

static struct platform_device cm_flash_device = {
	.name          = "gpio-addr-flash",
	.id            = 0,
	.dev = {
		.platform_data = &cm_flash_data,
	},
	.num_resources = ARRAY_SIZE(cm_flash_resource),
	.resource      = cm_flash_resource,
};
#endif

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#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
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#ifdef CONFIG_SERIAL_BFIN_UART0
static struct resource bfin_uart0_resources[] = {
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	{
		.start = 0xFFC00400,
		.end = 0xFFC004FF,
		.flags = IORESOURCE_MEM,
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	},
	{
		.start = IRQ_UART0_RX,
		.end = IRQ_UART0_RX+1,
		.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,
	},
#ifdef CONFIG_BFIN_UART0_CTSRTS
	{
		/*
		 * Refer to arch/blackfin/mach-xxx/include/mach/gpio.h for the GPIO map.
		 */
		.start = -1,
		.end = -1,
		.flags = IORESOURCE_IO,
	},
	{
		/*
		 * Refer to arch/blackfin/mach-xxx/include/mach/gpio.h for the GPIO map.
		 */
		.start = -1,
		.end = -1,
		.flags = IORESOURCE_IO,
	},
#endif
};

static struct platform_device bfin_uart0_device = {
	.name = "bfin-uart",
	.id = 0,
	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
	.resource = bfin_uart0_resources,
};
#endif
#ifdef CONFIG_SERIAL_BFIN_UART1
static struct resource bfin_uart1_resources[] = {
	{
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		.start = 0xFFC02000,
		.end = 0xFFC020FF,
		.flags = IORESOURCE_MEM,
	},
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	{
		.start = IRQ_UART1_RX,
		.end = IRQ_UART1_RX+1,
		.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,
	},
#ifdef CONFIG_BFIN_UART1_CTSRTS
	{
		/*
		 * Refer to arch/blackfin/mach-xxx/include/mach/gpio.h for the GPIO map.
		 */
		.start = -1,
		.end = -1,
		.flags = IORESOURCE_IO,
	},
	{
		/*
		 * Refer to arch/blackfin/mach-xxx/include/mach/gpio.h for the GPIO map.
		 */
		.start = -1,
		.end = -1,
		.flags = IORESOURCE_IO,
	},
#endif
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};

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static struct platform_device bfin_uart1_device = {
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	.name = "bfin-uart",
	.id = 1,
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	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
	.resource = bfin_uart1_resources,
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};
#endif
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#endif
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#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
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static struct resource bfin_sir0_resources[] = {
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	{
		.start = 0xFFC00400,
		.end = 0xFFC004FF,
		.flags = IORESOURCE_MEM,
	},
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	{
		.start = IRQ_UART0_RX,
		.end = IRQ_UART0_RX+1,
		.flags = IORESOURCE_IRQ,
	},
	{
		.start = CH_UART0_RX,
		.end = CH_UART0_RX+1,
		.flags = IORESOURCE_DMA,
	},
};
static struct platform_device bfin_sir0_device = {
	.name = "bfin_sir",
	.id = 0,
	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
	.resource = bfin_sir0_resources,
};
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#endif
#ifdef CONFIG_BFIN_SIR1
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static struct resource bfin_sir1_resources[] = {
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	{
		.start = 0xFFC02000,
		.end = 0xFFC020FF,
		.flags = IORESOURCE_MEM,
	},
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	{
		.start = IRQ_UART1_RX,
		.end = IRQ_UART1_RX+1,
		.flags = IORESOURCE_IRQ,
	},
	{
		.start = CH_UART1_RX,
		.end = CH_UART1_RX+1,
		.flags = IORESOURCE_DMA,
	},
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};
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static struct platform_device bfin_sir1_device = {
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	.name = "bfin_sir",
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	.id = 1,
	.num_resources = ARRAY_SIZE(bfin_sir1_resources),
	.resource = bfin_sir1_resources,
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};
#endif
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#endif
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#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
static struct resource bfin_twi0_resource[] = {
	[0] = {
		.start = TWI0_REGBASE,
		.end   = TWI0_REGBASE,
		.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,
};
#endif

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#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
static struct platform_device bfin_sport0_uart_device = {
	.name = "bfin-sport-uart",
	.id = 0,
};

static struct platform_device bfin_sport1_uart_device = {
	.name = "bfin-sport-uart",
	.id = 1,
};
#endif

#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
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static struct platform_device bfin_mii_bus = {
	.name = "bfin_mii_bus",
};

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static struct platform_device bfin_mac_device = {
	.name = "bfin_mac",
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	.dev.platform_data = &bfin_mii_bus,
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};
#endif

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#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
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#define PATA_INT	IRQ_PF14
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static struct pata_platform_info bfin_pata_platform_data = {
	.ioport_shift = 2,
	.irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
};

static struct resource bfin_pata_resources[] = {
	{
		.start = 0x2030C000,
		.end = 0x2030C01F,
		.flags = IORESOURCE_MEM,
	},
	{
		.start = 0x2030D018,
		.end = 0x2030D01B,
		.flags = IORESOURCE_MEM,
	},
	{
		.start = PATA_INT,
		.end = PATA_INT,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device bfin_pata_device = {
	.name = "pata_platform",
	.id = -1,
	.num_resources = ARRAY_SIZE(bfin_pata_resources),
	.resource = bfin_pata_resources,
	.dev = {
		.platform_data = &bfin_pata_platform_data,
	}
};
#endif

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static const unsigned int cclk_vlev_datasheet[] =
{
	VRPAIR(VLEV_085, 250000000),
	VRPAIR(VLEV_090, 376000000),
	VRPAIR(VLEV_095, 426000000),
	VRPAIR(VLEV_100, 426000000),
	VRPAIR(VLEV_105, 476000000),
	VRPAIR(VLEV_110, 476000000),
	VRPAIR(VLEV_115, 476000000),
	VRPAIR(VLEV_120, 500000000),
	VRPAIR(VLEV_125, 533000000),
	VRPAIR(VLEV_130, 600000000),
};

static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
	.tuple_tab = cclk_vlev_datasheet,
	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
	.vr_settling_time = 25 /* us */,
};

static struct platform_device bfin_dpmc = {
	.name = "bfin dpmc",
	.dev = {
		.platform_data = &bfin_dmpc_vreg_data,
	},
};

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static struct platform_device *cm_bf537e_devices[] __initdata = {
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	&bfin_dpmc,

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#if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
	&hitachi_fb_device,
#endif

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#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
	&rtc_device,
#endif

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
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#ifdef CONFIG_SERIAL_BFIN_UART0
	&bfin_uart0_device,
#endif
#ifdef CONFIG_SERIAL_BFIN_UART1
	&bfin_uart1_device,
#endif
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#endif

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#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
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#ifdef CONFIG_BFIN_SIR0
	&bfin_sir0_device,
#endif
#ifdef CONFIG_BFIN_SIR1
	&bfin_sir1_device,
#endif
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#endif

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#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
	&i2c_bfin_twi_device,
#endif

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#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
	&bfin_sport0_uart_device,
	&bfin_sport1_uart_device,
#endif

#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
	&isp1362_hcd_device,
#endif

#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
	&smc91x_device,
#endif

#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
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	&bfin_mii_bus,
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	&bfin_mac_device,
#endif

#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
	&net2272_bfin_device,
#endif

#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
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	&bfin_spi0_device,
#endif

#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
	&bfin_pata_device,
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#endif
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#if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
	&cm_flash_device,
#endif
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	&bfin_gpios_device,
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};

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static int __init cm_bf537e_init(void)
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{
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	printk(KERN_INFO "%s(): registering device resources\n", __func__);
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	platform_add_devices(cm_bf537e_devices, ARRAY_SIZE(cm_bf537e_devices));
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#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
#endif
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#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
	irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
#endif
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	return 0;
}

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arch_initcall(cm_bf537e_init);
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void bfin_get_ether_addr(char *addr)
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{
	random_ether_addr(addr);
	printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
}
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EXPORT_SYMBOL(bfin_get_ether_addr);