LXR uboot/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
  28DECLARE_GLOBAL_DATA_PTR;
  29
  30/* Timing definitions for Ethernet Controller */
  31static 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
  40static 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
  50static 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
  56int 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
  62int ehci_hcd_stop(int index)
  63{
  64        return omap_ehci_hcd_stop();
  65}
  66#endif
  67
  68int 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
  89int 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 */
 115void set_muxconf_regs(void)
 116{
 117        MUX_TWISTER();
 118}
 119
 120int 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)
 135int 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 */
 146void 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}
 152int 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
 163