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 * SPDX-License-Identifier:     GPL-2.0+
   7 */
   8
   9#include <common.h>
  10#include <asm/gpio.h>
  11#include <asm/io.h>
  12#include <asm/arch/sromc.h>
  13#include <netdev.h>
  14
  15DECLARE_GLOBAL_DATA_PTR;
  16
  17/*
  18 * Miscellaneous platform dependent initialisations
  19 */
  20static void smc9115_pre_init(void)
  21{
  22        u32 smc_bw_conf, smc_bc_conf;
  23
  24        /* gpio configuration GPK0CON */
  25        gpio_cfg_pin(S5PC100_GPIO_K00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2));
  26
  27        /* Ethernet needs bus width of 16 bits */
  28        smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
  29        smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) | SMC_BC_TACC(0xe)
  30                        | SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4)
  31                        | SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0);
  32
  33        /* Select and configure the SROMC bank */
  34        s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
  35}
  36
  37int board_init(void)
  38{
  39        smc9115_pre_init();
  40
  41        gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
  42        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  43
  44        return 0;
  45}
  46
  47int dram_init(void)
  48{
  49        gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  50
  51        return 0;
  52}
  53
  54void dram_init_banksize(void)
  55{
  56        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  57        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  58}
  59
  60#ifdef CONFIG_DISPLAY_BOARDINFO
  61int checkboard(void)
  62{
  63        printf("Board:\tSMDKC100\n");
  64        return 0;
  65}
  66#endif
  67
  68int board_eth_init(bd_t *bis)
  69{
  70        int rc = 0;
  71#ifdef CONFIG_SMC911X
  72        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  73#endif
  74        return rc;
  75}
  76