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

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 *  Copyright (C) 2008-2009 Samsung Electronics
   4 *  Minkyu Kang <mk7.kang@samsung.com>
   5 *  Kyungmin Park <kyungmin.park@samsung.com>
   6 */
   7
   8#include <common.h>
   9#include <init.h>
  10#include <net.h>
  11#include <asm/gpio.h>
  12#include <asm/io.h>
  13#include <asm/arch/sromc.h>
  14#include <netdev.h>
  15#include <asm/mach-types.h>
  16
  17DECLARE_GLOBAL_DATA_PTR;
  18
  19/*
  20 * Miscellaneous platform dependent initialisations
  21 */
  22static void smc9115_pre_init(void)
  23{
  24        u32 smc_bw_conf, smc_bc_conf;
  25
  26        /* gpio configuration GPK0CON */
  27        gpio_cfg_pin(S5PC100_GPIO_K00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2));
  28
  29        /* Ethernet needs bus width of 16 bits */
  30        smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
  31        smc_bc_conf = SMC_BC_TACS(0x0) | SMC_BC_TCOS(0x4) | SMC_BC_TACC(0xe)
  32                        | SMC_BC_TCOH(0x1) | SMC_BC_TAH(0x4)
  33                        | SMC_BC_TACP(0x6) | SMC_BC_PMC(0x0);
  34
  35        /* Select and configure the SROMC bank */
  36        s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
  37}
  38
  39int board_init(void)
  40{
  41        smc9115_pre_init();
  42
  43        gd->bd->bi_arch_number = MACH_TYPE_SMDKC100;
  44        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  45
  46        return 0;
  47}
  48
  49int dram_init(void)
  50{
  51        gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  52
  53        return 0;
  54}
  55
  56int dram_init_banksize(void)
  57{
  58        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  59        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  60
  61        return 0;
  62}
  63
  64#ifdef CONFIG_DISPLAY_BOARDINFO
  65int checkboard(void)
  66{
  67        printf("Board:\tSMDKC100\n");
  68        return 0;
  69}
  70#endif
  71
  72int board_eth_init(bd_t *bis)
  73{
  74        int rc = 0;
  75#ifdef CONFIG_SMC911X
  76        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  77#endif
  78        return rc;
  79}
  80