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         /* 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
  37 int 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
  47 int 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
  54 void 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
  61 int checkboard(void)
  62 {
  63         printf("Board:\tSMDKC100\n");
  64         return 0;
  65 }
  66 #endif
  67
  68 int 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 }