LXR uboot/board/emulation/qemu-arm/qemu-arm.c

   1/*
   2 * Copyright (c) 2017 Tuomas Tynkkynen
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6#include <common.h>
   7#include <fdtdec.h>
   8
   9#ifdef CONFIG_ARM64
  10#include <asm/armv8/mmu.h>
  11
  12static struct mm_region qemu_arm64_mem_map[] = {
  13        {
  14                /* Flash */
  15                .virt = 0x00000000UL,
  16                .phys = 0x00000000UL,
  17                .size = 0x08000000UL,
  18                .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
  19                         PTE_BLOCK_INNER_SHARE
  20        }, {
  21                /* Peripherals */
  22                .virt = 0x08000000UL,
  23                .phys = 0x08000000UL,
  24                .size = 0x38000000,
  25                .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
  26                         PTE_BLOCK_NON_SHARE |
  27                         PTE_BLOCK_PXN | PTE_BLOCK_UXN
  28        }, {
  29                /* RAM */
  30                .virt = 0x40000000UL,
  31                .phys = 0x40000000UL,
  32                .size = 0xc0000000UL,
  33                .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
  34                         PTE_BLOCK_INNER_SHARE
  35        }, {
  36                /* List terminator */
  37                0,
  38        }
  39};
  40
  41struct mm_region *mem_map = qemu_arm64_mem_map;
  42#endif
  43
  44int board_init(void)
  45{
  46        return 0;
  47}
  48
  49int dram_init(void)
  50{
  51        if (fdtdec_setup_memory_size() != 0)
  52                return -EINVAL;
  53
  54        return 0;
  55}
  56
  57int dram_init_banksize(void)
  58{
  59        fdtdec_setup_memory_banksize();
  60
  61        return 0;
  62}
  63
  64void *board_fdt_blob_setup(void)
  65{
  66        /* QEMU loads a generated DTB for us at the start of RAM. */
  67        return (void *)CONFIG_SYS_SDRAM_BASE;
  68}
  69