board/timll/devkit3250/devkit3250.c

   1 /*
   2  * Embest/Timll DevKit3250 board support
   3  *
   4  * Copyright (C) 2011 Vladimir Zapolskiy <vz@mleia.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <asm/arch/sys_proto.h>
  11 #include <asm/arch/cpu.h>
  12 #include <asm/arch/emc.h>
  13
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 static struct emc_regs *emc = (struct emc_regs *)EMC_BASE;
  17
  18 int board_early_init_f(void)
  19 {
  20         lpc32xx_uart_init(CONFIG_SYS_LPC32XX_UART);
  21
  22         return 0;
  23 }
  24
  25 int board_init(void)
  26 {
  27         /* adress of boot parameters */
  28         gd->bd->bi_boot_params  = CONFIG_SYS_SDRAM_BASE + 0x100;
  29
  30 #ifdef CONFIG_SYS_FLASH_CFI
  31         /* Use 16-bit memory interface for NOR Flash */
  32         emc->stat[0].config     = EMC_STAT_CONFIG_PB | EMC_STAT_CONFIG_16BIT;
  33
  34         /* Change the NOR timings to optimum value to get maximum bandwidth */
  35         emc->stat[0].waitwen    = EMC_STAT_WAITWEN(1);
  36         emc->stat[0].waitoen    = EMC_STAT_WAITOEN(1);
  37         emc->stat[0].waitrd     = EMC_STAT_WAITRD(12);
  38         emc->stat[0].waitpage   = EMC_STAT_WAITPAGE(12);
  39         emc->stat[0].waitwr     = EMC_STAT_WAITWR(5);
  40         emc->stat[0].waitturn   = EMC_STAT_WAITTURN(2);
  41 #endif
  42
  43         return 0;
  44 }
  45
  46 int dram_init(void)
  47 {
  48         gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
  49                                     CONFIG_SYS_SDRAM_SIZE);
  50
  51         return 0;
  52 }