board/technexion/twister/twister.c

   1 /*
   2  * Copyright (C) 2011
   3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
   4  *
   5  * Copyright (C) 2009 TechNexion Ltd.
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #include <common.h>
  11 #include <netdev.h>
  12 #include <asm/io.h>
  13 #include <asm/arch/mem.h>
  14 #include <asm/arch/mux.h>
  15 #include <asm/arch/sys_proto.h>
  16 #include <asm/omap_gpio.h>
  17 #include <asm/arch/mmc_host_def.h>
  18 #include <i2c.h>
  19 #include <spl.h>
  20 #include <mmc.h>
  21 #include <asm/gpio.h>
  22 #ifdef CONFIG_USB_EHCI_HCD
  23 #include <usb.h>
  24 #include <asm/ehci-omap.h>
  25 #endif
  26 #include "twister.h"
  27
  28 DECLARE_GLOBAL_DATA_PTR;
  29
  30 /* Timing definitions for Ethernet Controller */
  31 static const u32 gpmc_smc911[] = {
  32         NET_GPMC_CONFIG1,
  33         NET_GPMC_CONFIG2,
  34         NET_GPMC_CONFIG3,
  35         NET_GPMC_CONFIG4,
  36         NET_GPMC_CONFIG5,
  37         NET_GPMC_CONFIG6,
  38 };
  39
  40 static const u32 gpmc_XR16L2751[] = {
  41         XR16L2751_GPMC_CONFIG1,
  42         XR16L2751_GPMC_CONFIG2,
  43         XR16L2751_GPMC_CONFIG3,
  44         XR16L2751_GPMC_CONFIG4,
  45         XR16L2751_GPMC_CONFIG5,
  46         XR16L2751_GPMC_CONFIG6,
  47 };
  48
  49 #ifdef CONFIG_USB_EHCI_HCD
  50 static struct omap_usbhs_board_data usbhs_bdata = {
  51         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
  52         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
  53         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
  54 };
  55
  56 int ehci_hcd_init(int index, enum usb_init_type init,
  57                 struct ehci_hccr **hccr, struct ehci_hcor **hcor)
  58 {
  59         return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
  60 }
  61
  62 int ehci_hcd_stop(int index)
  63 {
  64         return omap_ehci_hcd_stop();
  65 }
  66 #endif
  67
  68 int board_init(void)
  69 {
  70         gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
  71
  72         /* boot param addr */
  73         gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
  74
  75         /* Chip select 1  and 3 are used for XR16L2751 UART controller */
  76         enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[1],
  77                 XR16L2751_UART1_BASE, GPMC_SIZE_16M);
  78
  79         enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[3],
  80                 XR16L2751_UART2_BASE, GPMC_SIZE_16M);
  81
  82         gpio_request(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, "USB_PHY1_RESET");
  83         gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 1);
  84
  85         return 0;
  86 }
  87
  88 #ifndef CONFIG_SPL_BUILD
  89 int misc_init_r(void)
  90 {
  91         char *eth_addr;
  92         struct tam3517_module_info info;
  93         int ret;
  94
  95         omap_die_id_display();
  96
  97         eth_addr = env_get("ethaddr");
  98         if (eth_addr)
  99                 return 0;
 100
 101         TAM3517_READ_EEPROM(&info, ret);
 102         if (!ret)
 103                 TAM3517_READ_MAC_FROM_EEPROM(&info);
 104
 105         return 0;
 106 }
 107 #endif
 108
 109 /*
 110  * Routine: set_muxconf_regs
 111  * Description: Setting up the configuration Mux registers specific to the
 112  *              hardware. Many pins need to be moved from protect to primary
 113  *              mode.
 114  */
 115 void set_muxconf_regs(void)
 116 {
 117         MUX_TWISTER();
 118 }
 119
 120 int board_eth_init(bd_t *bis)
 121 {
 122         davinci_emac_initialize();
 123
 124         /* init cs for extern lan */
 125         enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
 126                 CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
 127         if (smc911x_initialize(0, CONFIG_SMC911X_BASE) <= 0)
 128                 printf("\nError initializing SMC911x controlleri\n");
 129
 130         return 0;
 131 }
 132
 133 #if defined(CONFIG_MMC_OMAP_HS) && \
 134         !defined(CONFIG_SPL_BUILD)
 135 int board_mmc_init(bd_t *bis)
 136 {
 137         return omap_mmc_init(0, 0, 0, -1, -1);
 138 }
 139 #endif
 140
 141 #ifdef CONFIG_SPL_OS_BOOT
 142 /*
 143  * Do board specific preparation before SPL
 144  * Linux boot
 145  */
 146 void spl_board_prepare_for_linux(void)
 147 {
 148         /* init cs for extern lan */
 149         enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
 150                 CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
 151 }
 152 int spl_start_uboot(void)
 153 {
 154         int val = 0;
 155         if (!gpio_request(SPL_OS_BOOT_KEY, "U-Boot key")) {
 156                 gpio_direction_input(SPL_OS_BOOT_KEY);
 157                 val = gpio_get_value(SPL_OS_BOOT_KEY);
 158                 gpio_free(SPL_OS_BOOT_KEY);
 159         }
 160         return val;
 161 }
 162 #endif