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/io.h>
  11 #include <asm/arch/sromc.h>
  12 #include <asm/arch/gpio.h>
  13 #include <netdev.h>
  14
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 /*
  18  * Miscellaneous platform dependent initialisations
  19  */
  20 static void smc9115_pre_init(void)
  21 {
  22         u32 smc_bw_conf, smc_bc_conf;
  23
  24         struct s5pc100_gpio *const gpio =
  25                 (struct s5pc100_gpio *)samsung_get_base_gpio();
  26
  27         /* gpio configuration GPK0CON */
  28         s5p_gpio_cfg_pin(&gpio->k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
  29
  30         /* Ethernet needs bus width of 16 bits */
  31         smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_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(CONFIG_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 void 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
  63 #ifdef CONFIG_DISPLAY_BOARDINFO
  64 int checkboard(void)
  65 {
  66         printf("Board:\tSMDKC100\n");
  67         return 0;
  68 }
  69 #endif
  70
  71 int board_eth_init(bd_t *bis)
  72 {
  73         int rc = 0;
  74 #ifdef CONFIG_SMC911X
  75         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  76 #endif
  77         return rc;
  78 }