board/highbank/highbank.c

   1 /*
   2  * Copyright 2010-2011 Calxeda, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <ahci.h>
   9 #include <netdev.h>
  10 #include <scsi.h>
  11
  12 #include <asm/sizes.h>
  13 #include <asm/io.h>
  14
  15 #define HB_SREG_A9_PWR_REQ              0xfff3cf00
  16 #define HB_SREG_A9_BOOT_SRC_STAT        0xfff3cf04
  17 #define HB_PWR_SUSPEND                  0
  18 #define HB_PWR_SOFT_RESET               1
  19 #define HB_PWR_HARD_RESET               2
  20 #define HB_PWR_SHUTDOWN                 3
  21
  22 DECLARE_GLOBAL_DATA_PTR;
  23
  24 /*
  25  * Miscellaneous platform dependent initialisations
  26  */
  27 int board_init(void)
  28 {
  29         icache_enable();
  30
  31         return 0;
  32 }
  33
  34 /* We know all the init functions have been run now */
  35 int board_eth_init(bd_t *bis)
  36 {
  37         int rc = 0;
  38
  39 #ifdef CONFIG_CALXEDA_XGMAC
  40         rc += calxedaxgmac_initialize(0, 0xfff50000);
  41         rc += calxedaxgmac_initialize(1, 0xfff51000);
  42 #endif
  43         return rc;
  44 }
  45
  46 int misc_init_r(void)
  47 {
  48         char envbuffer[16];
  49         u32 boot_choice;
  50
  51         ahci_init(0xffe08000);
  52         scsi_scan(1);
  53
  54         boot_choice = readl(HB_SREG_A9_BOOT_SRC_STAT) & 0xff;
  55         sprintf(envbuffer, "bootcmd%d", boot_choice);
  56         if (getenv(envbuffer)) {
  57                 sprintf(envbuffer, "run bootcmd%d", boot_choice);
  58                 setenv("bootcmd", envbuffer);
  59         } else
  60                 setenv("bootcmd", "");
  61
  62         return 0;
  63 }
  64
  65 int dram_init(void)
  66 {
  67         gd->ram_size = SZ_512M;
  68         return 0;
  69 }
  70
  71 void dram_init_banksize(void)
  72 {
  73         gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
  74         gd->bd->bi_dram[0].size =  PHYS_SDRAM_1_SIZE;
  75 }
  76
  77 void reset_cpu(ulong addr)
  78 {
  79         writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ);
  80
  81         wfi();
  82 }