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
  17 DECLARE_GLOBAL_DATA_PTR;
  18
  19 /*
  20  * Miscellaneous platform dependent initialisations
  21  */
  22 static 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
  39 int 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
  49 int 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
  56 int 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
  65 int checkboard(void)
  66 {
  67         printf("Board:\tSMDKC100\n");
  68         return 0;
  69 }
  70 #endif
  71
  72 int board_eth_init(struct bd_info *bis)
  73 {
  74         int rc = 0;
  75 #ifdef CONFIG_SMC911X
  76         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  77 #endif
  78         return rc;
  79 }