LXR uboot/board/samsung/smdkc100/smdkc100.c

   1/*
   2 *  Copyright (C) 2008-2009 Samsung Electronics
   3 *  Minkyu Kang <mk7.kang@samsung.com>
   4 *  Kyungmin Park <kyungmin.park@samsung.com>
   5 *
   6 * See file CREDITS for list of people who contributed to this
   7 * project.
   8 *
   9 * This program is free software; you can redistribute it and/or
  10 * modify it under the terms of the GNU General Public License as
  11 * published by the Free Software Foundation; either version 2 of
  12 * the License, or (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22 * MA 02111-1307 USA
  23 */
  24
  25#include <common.h>
  26#include <asm/io.h>
  27#include <asm/arch/smc.h>
  28#include <asm/arch/gpio.h>
  29#include <netdev.h>
  30
  31DECLARE_GLOBAL_DATA_PTR;
  32
  33/*
  34 * Miscellaneous platform dependent initialisations
  35 */
  36static void smc9115_pre_init(void)
  37{
  38        u32 smc_bw_conf, smc_bc_conf;
  39
  40        struct s5pc100_gpio *const gpio =
  41                (struct s5pc100_gpio *)samsung_get_base_gpio();
  42
  43        /* gpio configuration GPK0CON */
  44        gpio_cfg_pin(&gpio->k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
  45
  46        /* Ethernet needs bus width of 16 bits */
  47        smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
  48        smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) | SMC_BC_TACC(0xe)
  49                        | SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4)
  50                        | SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0);
  51
  52        /* Select and configure the SROMC bank */
  53        s5pc1xx_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
  54}
  55
  56int board_init(void)
  57{
  58        smc9115_pre_init();
  59
  60        gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
  61        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  62
  63        return 0;
  64}
  65
  66int dram_init(void)
  67{
  68        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  69        gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
  70                                                PHYS_SDRAM_1_SIZE);
  71
  72        return 0;
  73}
  74
  75#ifdef CONFIG_DISPLAY_BOARDINFO
  76int checkboard(void)
  77{
  78        printf("Board:\tSMDKC100\n");
  79        return 0;
  80}
  81#endif
  82
  83int board_eth_init(bd_t *bis)
  84{
  85        int rc = 0;
  86#ifdef CONFIG_SMC911X
  87        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  88#endif
  89        return rc;
  90}
  91