1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2017 Tuomas Tynkkynen
9 #include <virtio_types.h>
13 #include <asm/armv8/mmu.h>
15 static struct mm_region qemu_arm64_mem_map[] = {
21 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
24 /* Lowmem peripherals */
28 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
30 PTE_BLOCK_PXN | PTE_BLOCK_UXN
35 .size = 255UL * SZ_1G,
36 .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
39 /* Highmem PCI-E ECAM memory area */
40 .virt = 0x4010000000ULL,
41 .phys = 0x4010000000ULL,
43 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
45 PTE_BLOCK_PXN | PTE_BLOCK_UXN
47 /* Highmem PCI-E MMIO memory area */
48 .virt = 0x8000000000ULL,
49 .phys = 0x8000000000ULL,
50 .size = 0x8000000000ULL,
51 .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
53 PTE_BLOCK_PXN | PTE_BLOCK_UXN
60 struct mm_region *mem_map = qemu_arm64_mem_map;
66 * Make sure virtio bus is enumerated so that peripherals
67 * on the virtio bus can be discovered by their drivers
76 if (fdtdec_setup_mem_size_base() != 0)
82 int dram_init_banksize(void)
84 fdtdec_setup_memory_banksize();
89 void *board_fdt_blob_setup(void)
91 /* QEMU loads a generated DTB for us at the start of RAM. */
92 return (void *)CONFIG_SYS_SDRAM_BASE;