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
  42 DECLARE_GLOBAL_DATA_PTR;
  43
  44 /* Timing definitions for Ethernet Controller */
  45 static 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
  54 static 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
  64 static 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
  70 int ehci_hcd_init(void)
  71 {
  72         return omap_ehci_hcd_init(&usbhs_bdata);
  73 }
  74
  75 int ehci_hcd_stop(void)
  76 {
  77         return omap_ehci_hcd_stop();
  78 }
  79 #endif
  80
  81 int 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
 101 int 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  */
 114 void set_muxconf_regs(void)
 115 {
 116         MUX_TWISTER();
 117 }
 118
 119 int 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)
 134 int 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  */
 145 void 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 }
 151 int 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