drivers/mtd/ftsmc020.c

   1 /*
   2  * (C) Copyright 2009 Faraday Technology
   3  * Po-Yu Chuang <ratbert@faraday-tech.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <config.h>
   9 #include <common.h>
  10 #include <asm/io.h>
  11 #include <faraday/ftsmc020.h>
  12
  13 struct ftsmc020_config {
  14         unsigned int    config;
  15         unsigned int    timing;
  16 };
  17
  18 static void ftsmc020_setup_bank(unsigned int bank, struct ftsmc020_config *cfg)
  19 {
  20         struct ftsmc020 *smc = (struct ftsmc020 *)CONFIG_FTSMC020_BASE;
  21
  22         if (bank > 3) {
  23                 printf("bank # %u invalid\n", bank);
  24                 return;
  25         }
  26
  27         writel(cfg->config, &smc->bank[bank].cr);
  28         writel(cfg->timing, &smc->bank[bank].tpr);
  29 }
  30
  31 void ftsmc020_init(void)
  32 {
  33         struct ftsmc020_config config[] = CONFIG_SYS_FTSMC020_CONFIGS;
  34         int i;
  35
  36         for (i = 0; i < ARRAY_SIZE(config); i++)
  37                 ftsmc020_setup_bank(i, &config[i]);
  38 }