board/freescale/ls2085a/ls2085a.c

   1 /*
   2  * Copyright 2014 Freescale Semiconductor
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6 #include <common.h>
   7 #include <malloc.h>
   8 #include <errno.h>
   9 #include <netdev.h>
  10 #include <fsl_ifc.h>
  11 #include <fsl_ddr.h>
  12 #include <asm/io.h>
  13 #include <fdt_support.h>
  14 #include <libfdt.h>
  15 #include <fsl_debug_server.h>
  16 #include <fsl-mc/fsl_mc.h>
  17 #include <environment.h>
  18
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 int board_init(void)
  22 {
  23         init_final_memctl_regs();
  24
  25 #ifdef CONFIG_ENV_IS_NOWHERE
  26         gd->env_addr = (ulong)&default_environment[0];
  27 #endif
  28
  29         return 0;
  30 }
  31
  32 int board_early_init_f(void)
  33 {
  34         init_early_memctl_regs();       /* tighten IFC timing */
  35
  36         return 0;
  37 }
  38
  39 void detail_board_ddr_info(void)
  40 {
  41         puts("\nDDR    ");
  42         print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
  43         print_ddr_info(0);
  44         if (gd->bd->bi_dram[2].size) {
  45                 puts("\nDP-DDR ");
  46                 print_size(gd->bd->bi_dram[2].size, "");
  47                 print_ddr_info(CONFIG_DP_DDR_CTRL);
  48         }
  49 }
  50
  51 int dram_init(void)
  52 {
  53         gd->ram_size = initdram(0);
  54
  55         return 0;
  56 }
  57
  58 /*
  59  * Board specific reset that is system reset.
  60  */
  61 void reset_cpu(ulong addr)
  62 {
  63 }
  64
  65 #if defined(CONFIG_ARCH_MISC_INIT)
  66 int arch_misc_init(void)
  67 {
  68 #ifdef CONFIG_FSL_DEBUG_SERVER
  69         debug_server_init();
  70 #endif
  71
  72         return 0;
  73 }
  74 #endif
  75
  76 unsigned long get_dram_size_to_hide(void)
  77 {
  78         unsigned long dram_to_hide = 0;
  79
  80 /* Carve the Debug Server private DRAM block from the end of DRAM */
  81 #ifdef CONFIG_FSL_DEBUG_SERVER
  82         dram_to_hide += debug_server_get_dram_block_size();
  83 #endif
  84
  85 /* Carve the MC private DRAM block from the end of DRAM */
  86 #ifdef CONFIG_FSL_MC_ENET
  87         dram_to_hide += mc_get_dram_block_size();
  88 #endif
  89
  90         return dram_to_hide;
  91 }
  92
  93 int board_eth_init(bd_t *bis)
  94 {
  95         int error = 0;
  96
  97 #ifdef CONFIG_SMC91111
  98         error = smc91111_initialize(0, CONFIG_SMC91111_BASE);
  99 #endif
 100
 101 #ifdef CONFIG_FSL_MC_ENET
 102         error = cpu_eth_init(bis);
 103 #endif
 104         return error;
 105 }
 106
 107 #ifdef CONFIG_FSL_MC_ENET
 108 void fdt_fixup_board_enet(void *fdt)
 109 {
 110         int offset;
 111
 112         offset = fdt_path_offset(fdt, "/fsl-mc");
 113
 114         /*
 115          * TODO: Remove this when backward compatibility
 116          * with old DT node (fsl,dprc@0) is no longer needed.
 117          */
 118         if (offset < 0)
 119                 offset = fdt_path_offset(fdt, "/fsl,dprc@0");
 120
 121         if (offset < 0) {
 122                 printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n",
 123                        __func__, offset);
 124                 return;
 125         }
 126
 127         if (get_mc_boot_status() == 0)
 128                 fdt_status_okay(fdt, offset);
 129         else
 130                 fdt_status_fail(fdt, offset);
 131 }
 132 #endif
 133
 134 #ifdef CONFIG_OF_BOARD_SETUP
 135 int ft_board_setup(void *blob, bd_t *bd)
 136 {
 137         phys_addr_t base;
 138         phys_size_t size;
 139
 140         ft_cpu_setup(blob, bd);
 141
 142         /* limit the memory size to bank 1 until Linux can handle 40-bit PA */
 143         base = getenv_bootm_low();
 144         size = getenv_bootm_size();
 145         fdt_fixup_memory(blob, (u64)base, (u64)size);
 146
 147 #ifdef CONFIG_FSL_MC_ENET
 148         fdt_fixup_board_enet(blob);
 149         fsl_mc_ldpaa_exit(bd);
 150 #endif
 151
 152         return 0;
 153 }
 154 #endif