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H8606.c

/*
 * Copyright 2004-2009 Analog Devices Inc.
 *           2007-2008 HV Sistemas S.L.
 *                      Javier Herrero <jherrero@hvsistemas.es>
 *                2005 National ICT Australia (NICTA)
 *                      Aidan Williams <aidan@nicta.com.au>
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.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/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[] = "HV Sistemas H8606";

#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_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource dm9000_resources[] = {
      [0] = {
            .start      = 0x20300000,
            .end  = 0x20300002,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = 0x20300004,
            .end  = 0x20300006,
            .flags      = IORESOURCE_MEM,
      },
      [2] = {
            .start      = IRQ_PF10,
            .end  = IRQ_PF10,
            .flags      = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IRQF_SHARED | IRQF_TRIGGER_HIGH),
      },
};

static struct platform_device dm9000_device = {
    .id                 = 0,
    .name         = "dm9000",
    .resource           = dm9000_resources,
    .num_resources      = ARRAY_SIZE(dm9000_resources),
};
#endif

#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
#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,
};

static struct resource smc91x_resources[] = {
      {
            .name = "smc91x-regs",
            .start = 0x20300300,
            .end = 0x20300300 + 16,
            .flags = IORESOURCE_MEM,
      }, {
            .start = IRQ_PROG_INTB,
            .end = IRQ_PROG_INTB,
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
      }, {
            .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,
      .dev  = {
            .platform_data    = &smc91x_info,
      },
};
#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

#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 (spi)",
            .size = 0x40000,
            .offset = 0,
            .mask_flags = MTD_CAP_ROM
      }, {
            .name = "fpga (spi)",
            .size =   0x30000,
            .offset = 0x40000
      }, {
            .name = "linux kernel (spi)",
            .size =   0x150000,
            .offset =  0x70000
      }, {
            .name = "jffs2 root file system (spi)",
            .size =   0x640000,
            .offset = 0x1c0000,
      }
};

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_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_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_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
      .enable_dma = 0,
      .bits_per_word = 16,
};
#endif

/* Notice: for blackfin, the speed_hz is the value of register
 * SPI_BAUD, not the real baudrate */
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 */
            /* this value is the baudrate divisor */
            .max_speed_hz = 50000000, /* actual baudrate is SCLK/(2xspeed_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_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
      {
            .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
            .max_speed_hz = 4,     /* actual baudrate is SCLK/(2xspeed_hz) */
            .bus_num = 1, /* 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_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
      {
            .modalias = "ad183x",
            .max_speed_hz = 16,
            .bus_num = 1,
            .chip_select = 4,
            .controller_data = &ad1836_spi_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_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 defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
#ifdef CONFIG_SERIAL_BFIN_UART0
static struct resource bfin_uart0_resources[] = {
      {
            .start = BFIN_UART_THR,
            .end = BFIN_UART_GCTL+2,
            .flags = IORESOURCE_MEM,
      },
      {
            .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,
      },
};

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
#endif

#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
static struct resource bfin_sir0_resources[] = {
      {
            .start = 0xFFC00400,
            .end = 0xFFC004FF,
            .flags = IORESOURCE_MEM,
      },
      {
            .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,
};
#endif
#endif

#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)

#include <linux/serial_8250.h>
#include <linux/serial.h>

/*
 * Configuration for two 16550 UARTS in FPGA at addresses 0x20200000 and 0x202000010.
 * running at half system clock, both with interrupt output or-ed to PF8. Change to
 * suit different FPGA configuration, or to suit real 16550 UARTS connected to the bus
 */

static struct plat_serial8250_port serial8250_platform_data [] = {
      {
            .membase = (void *)0x20200000,
            .mapbase = 0x20200000,
            .irq = IRQ_PF8,
            .irqflags = IRQF_TRIGGER_HIGH,
            .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
            .iotype = UPIO_MEM,
            .regshift = 1,
            .uartclk = 66666667,
      }, {
            .membase = (void *)0x20200010,
            .mapbase = 0x20200010,
            .irq = IRQ_PF8,
            .irqflags = IRQF_TRIGGER_HIGH,
            .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
            .iotype = UPIO_MEM,
            .regshift = 1,
            .uartclk = 66666667,
      }, {
      }
};

static struct platform_device serial8250_device = {
      .id         = PLAT8250_DEV_PLATFORM,
      .name       = "serial8250",
      .dev        = {
            .platform_data = serial8250_platform_data,
      },
};

#endif

#if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)

/*
 * Configuration for one OpenCores keyboard controller in FPGA at address 0x20200030,
 * interrupt output wired to PF9. Change to suit different FPGA configuration
 */

static struct resource opencores_kbd_resources[] = {
      [0] = {
            .start      = 0x20200030,
            .end  = 0x20300030 + 2,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = IRQ_PF9,
            .end  = IRQ_PF9,
            .flags      = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
      },
};

static struct platform_device opencores_kbd_device = {
      .id         = -1,
      .name       = "opencores-kbd",
      .resource   = opencores_kbd_resources,
      .num_resources    = ARRAY_SIZE(opencores_kbd_resources),
};
#endif

static struct platform_device *h8606_devices[] __initdata = {
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
      &rtc_device,
#endif

#if   defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
      &dm9000_device,
#endif

#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
      &smc91x_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)
#ifdef CONFIG_SERIAL_BFIN_UART0
      &bfin_uart0_device,
#endif
#endif

#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
      &serial8250_device,
#endif

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

#if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)
      &opencores_kbd_device,
#endif
};

static int __init H8606_init(void)
{
      printk(KERN_INFO "HV Sistemas H8606 board support by http://www.hvsistemas.com\n");
      printk(KERN_INFO "%s(): registering device resources\n", __func__);
      platform_add_devices(h8606_devices, ARRAY_SIZE(h8606_devices));
#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
      return 0;
}

arch_initcall(H8606_init);

static struct platform_device *H8606_early_devices[] __initdata = {
#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
#ifdef CONFIG_SERIAL_BFIN_UART0
      &bfin_uart0_device,
#endif
#endif
};

void __init native_machine_early_platform_add_devices(void)
{
      printk(KERN_INFO "register early platform devices\n");
      early_platform_add_devices(H8606_early_devices,
            ARRAY_SIZE(H8606_early_devices));
}

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