board/armltd/vexpress64/vexpress64.c

   1 /*
   2  * (C) Copyright 2013
   3  * David Feng <fenghua@phytium.com.cn>
   4  * Sharma Bhupesh <bhupesh.sharma@freescale.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8 #include <common.h>
   9 #include <malloc.h>
  10 #include <errno.h>
  11 #include <netdev.h>
  12 #include <asm/io.h>
  13 #include <linux/compiler.h>
  14 #include <dm/platdata.h>
  15 #include <dm/platform_data/serial_pl01x.h>
  16 #include "pcie.h"
  17 #include <asm/armv8/mmu.h>
  18
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 static const struct pl01x_serial_platdata serial_platdata = {
  22         .base = V2M_UART0,
  23         .type = TYPE_PL011,
  24         .clock = CONFIG_PL011_CLOCK,
  25 };
  26
  27 U_BOOT_DEVICE(vexpress_serials) = {
  28         .name = "serial_pl01x",
  29         .platdata = &serial_platdata,
  30 };
  31
  32 static struct mm_region vexpress64_mem_map[] = {
  33         {
  34                 .virt = 0x0UL,
  35                 .phys = 0x0UL,
  36                 .size = 0x80000000UL,
  37                 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
  38                          PTE_BLOCK_NON_SHARE |
  39                          PTE_BLOCK_PXN | PTE_BLOCK_UXN
  40         }, {
  41                 .virt = 0x80000000UL,
  42                 .phys = 0x80000000UL,
  43                 .size = 0xff80000000UL,
  44                 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
  45                          PTE_BLOCK_INNER_SHARE
  46         }, {
  47                 /* List terminator */
  48                 0,
  49         }
  50 };
  51
  52 struct mm_region *mem_map = vexpress64_mem_map;
  53
  54 /* This function gets replaced by platforms supporting PCIe.
  55  * The replacement function, eg. on Juno, initialises the PCIe bus.
  56  */
  57 __weak void vexpress64_pcie_init(void)
  58 {
  59 }
  60
  61 int board_init(void)
  62 {
  63         vexpress64_pcie_init();
  64         return 0;
  65 }
  66
  67 int dram_init(void)
  68 {
  69         gd->ram_size = PHYS_SDRAM_1_SIZE;
  70         return 0;
  71 }
  72
  73 int dram_init_banksize(void)
  74 {
  75         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  76         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  77 #ifdef PHYS_SDRAM_2
  78         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  79         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  80 #endif
  81
  82         return 0;
  83 }
  84
  85 /*
  86  * Board specific reset that is system reset.
  87  */
  88 void reset_cpu(ulong addr)
  89 {
  90 }
  91
  92 /*
  93  * Board specific ethernet initialization routine.
  94  */
  95 int board_eth_init(bd_t *bis)
  96 {
  97         int rc = 0;
  98 #ifdef CONFIG_SMC91111
  99         rc = smc91111_initialize(0, CONFIG_SMC91111_BASE);
 100 #endif
 101 #ifdef CONFIG_SMC911X
 102         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
 103 #endif
 104         return rc;
 105 }