/*
* File: arch/blackfin/mach-bf533/stamp.c
* Based on: arch/blackfin/mach-bf533/ezkit.c
* Author: Aidan Williams <aidan@nicta.com.au>
*
* Created: 2005
* Description: Board Info File for the BF533-STAMP
*
* 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>
#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 defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
#include <linux/usb/isp1362.h>
#endif
#include <linux/ata_platform.h>
#include <linux/irq.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/reboot.h>
#include <asm/portmux.h>
/*
* Name the Board for the /proc/cpuinfo
*/
const char bfin_board_name[] = "ADDS-BF533-STAMP";
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
static struct platform_device rtc_device = {
.name = "rtc-bfin",
.id = -1,
};
#endif
/*
* Driver needs to know address, irq and flag pin.
*/
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
static struct resource smc91x_resources[] = {
{
.name = "smc91x-regs",
.start = 0x20300300,
.end = 0x20300300 + 16,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_PF7,
.end = IRQ_PF7,
.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,
};
#endif
#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
static struct platform_device bfin_fb_adv7393_device = {
.name = "bfin-adv7393",
};
#endif
#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
static struct resource net2272_bfin_resources[] = {
{
.start = 0x20300000,
.end = 0x20300000 + 0x100,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_PF10,
.end = IRQ_PF10,
.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
static struct mtd_partition stamp_partitions[] = {
{
.name = "Bootloader",
.size = 0x20000,
.offset = 0,
}, {
.name = "Kernel",
.size = 0xE0000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "RootFS",
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_APPEND,
}
};
static struct physmap_flash_data stamp_flash_data = {
.width = 2,
.parts = stamp_partitions,
.nr_parts = ARRAY_SIZE(stamp_partitions),
};
static struct resource stamp_flash_resource[] = {
{
.name = "cfi_probe",
.start = 0x20000000,
.end = 0x203fffff,
.flags = IORESOURCE_MEM,
}, {
.start = CONFIG_ENET_FLASH_PIN,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device stamp_flash_device = {
.name = "BF5xx-Flash",
.id = 0,
.dev = {
.platform_data = &stamp_flash_data,
},
.num_resources = ARRAY_SIZE(stamp_flash_resource),
.resource = stamp_flash_resource,
};
#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[] = {
{
.name = "bootloader",
.size = 0x00020000,
.offset = 0,
.mask_flags = MTD_CAP_ROM
}, {
.name = "kernel",
.size = 0xe0000,
.offset = 0x20000
}, {
.name = "file system",
.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
#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
/* 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
#if defined(CONFIG_PBX)
static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
.ctl_reg = 0x4, /* send zero */
.enable_dma = 0,
.bits_per_word = 8,
.cs_change_per_word = 1,
};
#endif
#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
static struct bfin5xx_spi_chip ad5304_chip_info = {
.enable_dma = 0,
.bits_per_word = 16,
};
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
static struct bfin5xx_spi_chip spi_mmc_chip_info = {
.enable_dma = 1,
.bits_per_word = 8,
};
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
static struct bfin5xx_spi_chip spidev_chip_info = {
.enable_dma = 0,
.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 */
.bus_num = 0, /* Framework bus number */
.chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
.platform_data = &bfin_spi_flash_data,
.controller_data = &spi_flash_chip_info,
.mode = SPI_MODE_3,
},
#endif
#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
{
.modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
.max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0, /* Framework bus number */
.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)
{
.modalias = "ad1836-spi",
.max_speed_hz = 31250000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
.controller_data = &ad1836_spi_chip_info,
},
#endif
#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
{
.modalias = "spi_mmc_dummy",
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 0,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.mode = SPI_MODE_3,
},
{
.modalias = "spi_mmc",
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = CONFIG_SPI_MMC_CS_CHAN,
.platform_data = NULL,
.controller_data = &spi_mmc_chip_info,
.mode = SPI_MODE_3,
},
#endif
#if defined(CONFIG_PBX)
{
.modalias = "fxs-spi",
.max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 8 - CONFIG_J11_JUMPER,
.controller_data = &spi_si3xxx_chip_info,
.mode = SPI_MODE_3,
},
{
.modalias = "fxo-spi",
.max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 8 - CONFIG_J19_JUMPER,
.controller_data = &spi_si3xxx_chip_info,
.mode = SPI_MODE_3,
},
#endif
#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
{
.modalias = "ad5304_spi",
.max_speed_hz = 1000000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 2,
.platform_data = NULL,
.controller_data = &ad5304_chip_info,
.mode = SPI_MODE_2,
},
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
.bus_num = 0,
.chip_select = 1,
.controller_data = &spidev_chip_info,
},
#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_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 defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
static struct platform_device bfin_fb_device = {
.name = "bf537-fb",
};
#endif
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
static struct resource bfin_uart_resources[] = {
{
.start = 0xFFC00400,
.end = 0xFFC004FF,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device bfin_uart_device = {
.name = "bfin-uart",
.id = 1,
.num_resources = ARRAY_SIZE(bfin_uart_resources),
.resource = bfin_uart_resources,
};
#endif
#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_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
#define PATA_INT 55
static struct pata_platform_info bfin_pata_platform_data = {
.ioport_shift = 1,
.irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
};
static struct resource bfin_pata_resources[] = {
{
.start = 0x20314020,
.end = 0x2031403F,
.flags = IORESOURCE_MEM,
},
{
.start = 0x2031401C,
.end = 0x2031401F,
.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
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
#include <linux/input.h>
#include <linux/gpio_keys.h>
static struct gpio_keys_button bfin_gpio_keys_table[] = {
{BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
{BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
{BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
};
static struct gpio_keys_platform_data bfin_gpio_keys_data = {
.buttons = bfin_gpio_keys_table,
.nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
};
static struct platform_device bfin_device_gpiokeys = {
.name = "gpio-keys",
.dev = {
.platform_data = &bfin_gpio_keys_data,
},
};
#endif
#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
#include <linux/i2c-gpio.h>
static struct i2c_gpio_platform_data i2c_gpio_data = {
.sda_pin = 2,
.scl_pin = 3,
.sda_is_open_drain = 0,
.scl_is_open_drain = 0,
.udelay = 40,
};
static struct platform_device i2c_gpio_device = {
.name = "i2c-gpio",
.id = 0,
.dev = {
.platform_data = &i2c_gpio_data,
},
};
#endif
static struct platform_device *stamp_devices[] __initdata = {
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
&rtc_device,
#endif
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
&smc91x_device,
#endif
#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
&bfin_fb_adv7393_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)
&bfin_spi0_device,
#endif
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
&bfin_uart_device,
#endif
#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
&bfin_sport0_uart_device,
&bfin_sport1_uart_device,
#endif
#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
&bfin_pata_device,
#endif
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
&bfin_device_gpiokeys,
#endif
#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
&i2c_gpio_device,
#endif
&stamp_flash_device,
};
static int __init stamp_init(void)
{
int ret;
printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
if (ret < 0)
return ret;
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
/* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (1 << CONFIG_ENET_FLASH_PIN));
bfin_write_FIO_FLAG_S(1 << CONFIG_ENET_FLASH_PIN);
SSYNC();
#endif
#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
#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
#endif
return 0;
}
arch_initcall(stamp_init);
void native_machine_restart(char *cmd)
{
#define BIT_TO_SET (1 << CONFIG_ENET_FLASH_PIN)
bfin_write_FIO_INEN(~BIT_TO_SET);
bfin_write_FIO_DIR(BIT_TO_SET);
bfin_write_FIO_FLAG_C(BIT_TO_SET);
}
