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   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
  27 #define DA830_EVM_PHY_MASK              0x0
  28 #define DA830_EVM_MDIO_FREQUENCY        2200000 /* PHY bus frequency */
  29
  30 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
  31         .byte_len       = SZ_256K / 8,
  32         .page_size      = 64,
  33         .flags          = AT24_FLAG_ADDR16,
  34         .setup          = davinci_get_mac_addr,
  35         .context        = (void *)0x7f00,
  36 };
  37
  38 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
  39         {
  40                 I2C_BOARD_INFO("24c256", 0x50),
  41                 .platform_data  = &da830_evm_i2c_eeprom_info,
  42         },
  43 };
  44
  45 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
  46         .bus_freq       = 100,  /* kHz */
  47         .bus_delay      = 0,    /* usec */
  48 };
  49
  50 static struct davinci_uart_config da830_evm_uart_config __initdata = {
  51         .enabled_uarts = 0x7,
  52 };
  53
  54 static __init void da830_evm_init(void)
  55 {
  56         struct davinci_soc_info *soc_info = &davinci_soc_info;
  57         int ret;
  58
  59         ret = da8xx_register_edma();
  60         if (ret)
  61                 pr_warning("da830_evm_init: edma registration failed: %d\n",
  62                                 ret);
  63
  64         ret = da8xx_pinmux_setup(da830_i2c0_pins);
  65         if (ret)
  66                 pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
  67                                 ret);
  68
  69         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
  70         if (ret)
  71                 pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
  72                                 ret);
  73
  74         soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
  75         soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
  76         soc_info->emac_pdata->rmii_en = 1;
  77
  78         ret = da8xx_pinmux_setup(da830_cpgmac_pins);
  79         if (ret)
  80                 pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
  81                                 ret);
  82
  83         ret = da8xx_register_emac();
  84         if (ret)
  85                 pr_warning("da830_evm_init: emac registration failed: %d\n",
  86                                 ret);
  87
  88         ret = da8xx_register_watchdog();
  89         if (ret)
  90                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
  91                                 ret);
  92
  93         davinci_serial_init(&da830_evm_uart_config);
  94         i2c_register_board_info(1, da830_evm_i2c_devices,
  95                         ARRAY_SIZE(da830_evm_i2c_devices));
  96 }
  97
  98 #ifdef CONFIG_SERIAL_8250_CONSOLE
  99 static int __init da830_evm_console_init(void)
 100 {
 101         return add_preferred_console("ttyS", 2, "115200");
 102 }
 103 console_initcall(da830_evm_console_init);
 104 #endif
 105
 106 static __init void da830_evm_irq_init(void)
 107 {
 108         struct davinci_soc_info *soc_info = &davinci_soc_info;
 109
 110         cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ,
 111                         soc_info->intc_irq_prios);
 112 }
 113
 114 static void __init da830_evm_map_io(void)
 115 {
 116         da830_init();
 117 }
 118
 119 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP L137 EVM")
 120         .phys_io        = IO_PHYS,
 121         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 122         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 123         .map_io         = da830_evm_map_io,
 124         .init_irq       = da830_evm_irq_init,
 125         .timer          = &davinci_timer,
 126         .init_machine   = da830_evm_init,
 127 MACHINE_END