board/samsung/smdkc100/smdkc100.c

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