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board-da830-evm.c

/*
 * TI DA830/OMAP L137 EVM board
 *
 * Author: Mark A. Greer <mgreer@mvista.com>
 * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
 *
 * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
 * the terms of the GNU General Public License version 2. This program
 * is licensed "as is" without any warranty of any kind, whether express
 * or implied.
 */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/cp_intc.h>
#include <mach/da8xx.h>
#include <mach/asp.h>

#define DA830_EVM_PHY_MASK          0x0
#define DA830_EVM_MDIO_FREQUENCY    2200000     /* PHY bus frequency */

static struct at24_platform_data da830_evm_i2c_eeprom_info = {
      .byte_len   = SZ_256K / 8,
      .page_size  = 64,
      .flags            = AT24_FLAG_ADDR16,
      .setup            = davinci_get_mac_addr,
      .context    = (void *)0x7f00,
};

static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
      {
            I2C_BOARD_INFO("24c256", 0x50),
            .platform_data    = &da830_evm_i2c_eeprom_info,
      },
      {
            I2C_BOARD_INFO("tlv320aic3x", 0x18),
      }
};

static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
      .bus_freq   = 100,      /* kHz */
      .bus_delay  = 0,  /* usec */
};

static struct davinci_uart_config da830_evm_uart_config __initdata = {
      .enabled_uarts = 0x7,
};

static u8 da830_iis_serializer_direction[] = {
      RX_MODE,    INACTIVE_MODE,    INACTIVE_MODE,    INACTIVE_MODE,
      INACTIVE_MODE,    TX_MODE,    INACTIVE_MODE,    INACTIVE_MODE,
      INACTIVE_MODE,    INACTIVE_MODE,    INACTIVE_MODE,    INACTIVE_MODE,
};

static struct snd_platform_data da830_evm_snd_data = {
      .tx_dma_offset  = 0x2000,
      .rx_dma_offset  = 0x2000,
      .op_mode        = DAVINCI_MCASP_IIS_MODE,
      .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
      .tdm_slots      = 2,
      .serial_dir     = da830_iis_serializer_direction,
      .eventq_no      = EVENTQ_0,
      .version    = MCASP_VERSION_2,
      .txnumevt   = 1,
      .rxnumevt   = 1,
};

static __init void da830_evm_init(void)
{
      struct davinci_soc_info *soc_info = &davinci_soc_info;
      int ret;

      ret = da8xx_register_edma();
      if (ret)
            pr_warning("da830_evm_init: edma registration failed: %d\n",
                        ret);

      ret = da8xx_pinmux_setup(da830_i2c0_pins);
      if (ret)
            pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
                        ret);

      ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
      if (ret)
            pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
                        ret);

      soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
      soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
      soc_info->emac_pdata->rmii_en = 1;

      ret = da8xx_pinmux_setup(da830_cpgmac_pins);
      if (ret)
            pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
                        ret);

      ret = da8xx_register_emac();
      if (ret)
            pr_warning("da830_evm_init: emac registration failed: %d\n",
                        ret);

      ret = da8xx_register_watchdog();
      if (ret)
            pr_warning("da830_evm_init: watchdog registration failed: %d\n",
                        ret);

      davinci_serial_init(&da830_evm_uart_config);
      i2c_register_board_info(1, da830_evm_i2c_devices,
                  ARRAY_SIZE(da830_evm_i2c_devices));

      ret = da8xx_pinmux_setup(da830_mcasp1_pins);
      if (ret)
            pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
                        ret);

      da8xx_init_mcasp(1, &da830_evm_snd_data);
}

#ifdef CONFIG_SERIAL_8250_CONSOLE
static int __init da830_evm_console_init(void)
{
      return add_preferred_console("ttyS", 2, "115200");
}
console_initcall(da830_evm_console_init);
#endif

static __init void da830_evm_irq_init(void)
{
      struct davinci_soc_info *soc_info = &davinci_soc_info;

      cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ,
                  soc_info->intc_irq_prios);
}

static void __init da830_evm_map_io(void)
{
      da830_init();
}

MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP L137 EVM")
      .phys_io    = IO_PHYS,
      .io_pg_offst      = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
      .boot_params      = (DA8XX_DDR_BASE + 0x100),
      .map_io           = da830_evm_map_io,
      .init_irq   = da830_evm_irq_init,
      .timer            = &davinci_timer,
      .init_machine     = da830_evm_init,
MACHINE_END

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