arch/arm/mach-davinci/board-da830-evm.c

   1 /*
   2  * TI DA830/OMAP L137 EVM board
   3  *
   4  * Author: Mark A. Greer <mgreer@mvista.com>
   5  * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
   6  *
   7  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
   8  * the terms of the GNU General Public License version 2. This program
   9  * is licensed "as is" without any warranty of any kind, whether express
  10  * or implied.
  11  */
  12 #include <linux/kernel.h>
  13 #include <linux/module.h>
  14 #include <linux/init.h>
  15 #include <linux/console.h>
  16 #include <linux/i2c.h>
  17 #include <linux/i2c/at24.h>
  18
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/arch.h>
  21
  22 #include <mach/common.h>
  23 #include <mach/irqs.h>
  24 #include <mach/cp_intc.h>
  25 #include <mach/da8xx.h>
  26 #include <mach/asp.h>
  27
  28 #define DA830_EVM_PHY_MASK              0x0
  29 #define DA830_EVM_MDIO_FREQUENCY        2200000 /* PHY bus frequency */
  30
  31 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
  32         .byte_len       = SZ_256K / 8,
  33         .page_size      = 64,
  34         .flags          = AT24_FLAG_ADDR16,
  35         .setup          = davinci_get_mac_addr,
  36         .context        = (void *)0x7f00,
  37 };
  38
  39 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
  40         {
  41                 I2C_BOARD_INFO("24c256", 0x50),
  42                 .platform_data  = &da830_evm_i2c_eeprom_info,
  43         },
  44         {
  45                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
  46         }
  47 };
  48
  49 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
  50         .bus_freq       = 100,  /* kHz */
  51         .bus_delay      = 0,    /* usec */
  52 };
  53
  54 static struct davinci_uart_config da830_evm_uart_config __initdata = {
  55         .enabled_uarts = 0x7,
  56 };
  57
  58 static u8 da830_iis_serializer_direction[] = {
  59         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
  60         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
  61         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
  62 };
  63
  64 static struct snd_platform_data da830_evm_snd_data = {
  65         .tx_dma_offset  = 0x2000,
  66         .rx_dma_offset  = 0x2000,
  67         .op_mode        = DAVINCI_MCASP_IIS_MODE,
  68         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
  69         .tdm_slots      = 2,
  70         .serial_dir     = da830_iis_serializer_direction,
  71         .eventq_no      = EVENTQ_0,
  72         .version        = MCASP_VERSION_2,
  73         .txnumevt       = 1,
  74         .rxnumevt       = 1,
  75 };
  76
  77 static __init void da830_evm_init(void)
  78 {
  79         struct davinci_soc_info *soc_info = &davinci_soc_info;
  80         int ret;
  81
  82         ret = da8xx_register_edma();
  83         if (ret)
  84                 pr_warning("da830_evm_init: edma registration failed: %d\n",
  85                                 ret);
  86
  87         ret = da8xx_pinmux_setup(da830_i2c0_pins);
  88         if (ret)
  89                 pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
  90                                 ret);
  91
  92         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
  93         if (ret)
  94                 pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
  95                                 ret);
  96
  97         soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
  98         soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
  99         soc_info->emac_pdata->rmii_en = 1;
 100
 101         ret = da8xx_pinmux_setup(da830_cpgmac_pins);
 102         if (ret)
 103                 pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
 104                                 ret);
 105
 106         ret = da8xx_register_emac();
 107         if (ret)
 108                 pr_warning("da830_evm_init: emac registration failed: %d\n",
 109                                 ret);
 110
 111         ret = da8xx_register_watchdog();
 112         if (ret)
 113                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 114                                 ret);
 115
 116         davinci_serial_init(&da830_evm_uart_config);
 117         i2c_register_board_info(1, da830_evm_i2c_devices,
 118                         ARRAY_SIZE(da830_evm_i2c_devices));
 119
 120         ret = da8xx_pinmux_setup(da830_mcasp1_pins);
 121         if (ret)
 122                 pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
 123                                 ret);
 124
 125         da8xx_init_mcasp(1, &da830_evm_snd_data);
 126 }
 127
 128 #ifdef CONFIG_SERIAL_8250_CONSOLE
 129 static int __init da830_evm_console_init(void)
 130 {
 131         return add_preferred_console("ttyS", 2, "115200");
 132 }
 133 console_initcall(da830_evm_console_init);
 134 #endif
 135
 136 static __init void da830_evm_irq_init(void)
 137 {
 138         struct davinci_soc_info *soc_info = &davinci_soc_info;
 139
 140         cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ,
 141                         soc_info->intc_irq_prios);
 142 }
 143
 144 static void __init da830_evm_map_io(void)
 145 {
 146         da830_init();
 147 }
 148
 149 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP L137 EVM")
 150         .phys_io        = IO_PHYS,
 151         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 152         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 153         .map_io         = da830_evm_map_io,
 154         .init_irq       = da830_evm_irq_init,
 155         .timer          = &davinci_timer,
 156         .init_machine   = da830_evm_init,
 157 MACHINE_END