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 * See file CREDITS for list of people who contributed to this
   8 * project.
   9 *
  10 * This program is free software; you can redistribute it and/or
  11 * modify it under the terms of the GNU General Public License as
  12 * published by the Free Software Foundation; either version 2 of
  13 * the License, or (at your option) any later version.
  14 *
  15 * This program is distributed in the hope that it will be useful,
  16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 * GNU General Public License for more details.
  19 *
  20 * You should have received a copy of the GNU General Public License
  21 * along with this program; if not, write to the Free Software
  22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23 * MA 02111-1307 USA
  24 */
  25
  26#include <common.h>
  27#include <netdev.h>
  28#include <asm/io.h>
  29#include <asm/arch/mem.h>
  30#include <asm/arch/mux.h>
  31#include <asm/arch/sys_proto.h>
  32#include <asm/omap_gpio.h>
  33#include <asm/arch/mmc_host_def.h>
  34#include <i2c.h>
  35#include <asm/gpio.h>
  36#ifdef CONFIG_USB_EHCI
  37#include <usb.h>
  38#include <asm/ehci-omap.h>
  39#endif
  40#include "twister.h"
  41
  42DECLARE_GLOBAL_DATA_PTR;
  43
  44/* Timing definitions for Ethernet Controller */
  45static const u32 gpmc_smc911[] = {
  46        NET_GPMC_CONFIG1,
  47        NET_GPMC_CONFIG2,
  48        NET_GPMC_CONFIG3,
  49        NET_GPMC_CONFIG4,
  50        NET_GPMC_CONFIG5,
  51        NET_GPMC_CONFIG6,
  52};
  53
  54static const u32 gpmc_XR16L2751[] = {
  55        XR16L2751_GPMC_CONFIG1,
  56        XR16L2751_GPMC_CONFIG2,
  57        XR16L2751_GPMC_CONFIG3,
  58        XR16L2751_GPMC_CONFIG4,
  59        XR16L2751_GPMC_CONFIG5,
  60        XR16L2751_GPMC_CONFIG6,
  61};
  62
  63#ifdef CONFIG_USB_EHCI
  64static struct omap_usbhs_board_data usbhs_bdata = {
  65        .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
  66        .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
  67        .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
  68};
  69
  70int ehci_hcd_init(void)
  71{
  72        return omap_ehci_hcd_init(&usbhs_bdata);
  73}
  74
  75int ehci_hcd_stop(void)
  76{
  77        return omap_ehci_hcd_stop();
  78}
  79#endif
  80
  81int board_init(void)
  82{
  83        gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
  84
  85        /* boot param addr */
  86        gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
  87
  88        /* Chip select 1  and 3 are used for XR16L2751 UART controller */
  89        enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[1],
  90                XR16L2751_UART1_BASE, GPMC_SIZE_16M);
  91
  92        enable_gpmc_cs_config(gpmc_XR16L2751, &gpmc_cfg->cs[3],
  93                XR16L2751_UART2_BASE, GPMC_SIZE_16M);
  94
  95        gpio_request(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, "USB_PHY1_RESET");
  96        gpio_direction_output(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO, 1);
  97
  98        return 0;
  99}
 100
 101int misc_init_r(void)
 102{
 103        dieid_num_r();
 104
 105        return 0;
 106}
 107
 108/*
 109 * Routine: set_muxconf_regs
 110 * Description: Setting up the configuration Mux registers specific to the
 111 *              hardware. Many pins need to be moved from protect to primary
 112 *              mode.
 113 */
 114void set_muxconf_regs(void)
 115{
 116        MUX_TWISTER();
 117}
 118
 119int board_eth_init(bd_t *bis)
 120{
 121        davinci_emac_initialize();
 122
 123        /* init cs for extern lan */
 124        enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
 125                CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
 126        if (smc911x_initialize(0, CONFIG_SMC911X_BASE) <= 0)
 127                printf("\nError initializing SMC911x controlleri\n");
 128
 129        return 0;
 130}
 131
 132#if defined(CONFIG_OMAP_HSMMC) && \
 133        !defined(CONFIG_SPL_BUILD)
 134int board_mmc_init(bd_t *bis)
 135{
 136        return omap_mmc_init(0, 0, 0);
 137}
 138#endif
 139
 140#ifdef CONFIG_SPL_OS_BOOT
 141/*
 142 * Do board specific preperation before SPL
 143 * Linux boot
 144 */
 145void spl_board_prepare_for_linux(void)
 146{
 147        /* init cs for extern lan */
 148        enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5],
 149                CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
 150}
 151int spl_start_uboot(void)
 152{
 153        int val = 0;
 154        if (!gpio_request(CONFIG_SPL_OS_BOOT_KEY, "U-Boot key")) {
 155                gpio_direction_input(CONFIG_SPL_OS_BOOT_KEY);
 156                val = gpio_get_value(CONFIG_SPL_OS_BOOT_KEY);
 157                gpio_free(CONFIG_SPL_OS_BOOT_KEY);
 158        }
 159        return val;
 160}
 161#endif
 162