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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2017 Tuomas Tynkkynen
- */
- #include <common.h>
- #include <dm.h>
- #include <fdtdec.h>
- #include <virtio_types.h>
- #include <virtio.h>
- #ifdef CONFIG_ARM64
- #include <asm/armv8/mmu.h>
- static struct mm_region qemu_arm64_mem_map[] = {
- {
- /* Flash */
- .virt = 0x00000000UL,
- .phys = 0x00000000UL,
- .size = 0x08000000UL,
- .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
- PTE_BLOCK_INNER_SHARE
- }, {
- /* Lowmem peripherals */
- .virt = 0x08000000UL,
- .phys = 0x08000000UL,
- .size = 0x38000000,
- .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
- PTE_BLOCK_NON_SHARE |
- PTE_BLOCK_PXN | PTE_BLOCK_UXN
- }, {
- /* RAM */
- .virt = 0x40000000UL,
- .phys = 0x40000000UL,
- .size = 255UL * SZ_1G,
- .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
- PTE_BLOCK_INNER_SHARE
- }, {
- /* Highmem PCI-E ECAM memory area */
- .virt = 0x4010000000ULL,
- .phys = 0x4010000000ULL,
- .size = 0x10000000,
- .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
- PTE_BLOCK_NON_SHARE |
- PTE_BLOCK_PXN | PTE_BLOCK_UXN
- }, {
- /* Highmem PCI-E MMIO memory area */
- .virt = 0x8000000000ULL,
- .phys = 0x8000000000ULL,
- .size = 0x8000000000ULL,
- .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
- PTE_BLOCK_NON_SHARE |
- PTE_BLOCK_PXN | PTE_BLOCK_UXN
- }, {
- /* List terminator */
- 0,
- }
- };
- struct mm_region *mem_map = qemu_arm64_mem_map;
- #endif
- int board_init(void)
- {
- /*
- * Make sure virtio bus is enumerated so that peripherals
- * on the virtio bus can be discovered by their drivers
- */
- virtio_init();
- return 0;
- }
- int dram_init(void)
- {
- if (fdtdec_setup_mem_size_base() != 0)
- return -EINVAL;
- return 0;
- }
- int dram_init_banksize(void)
- {
- fdtdec_setup_memory_banksize();
- return 0;
- }
- void *board_fdt_blob_setup(void)
- {
- /* QEMU loads a generated DTB for us at the start of RAM. */
- return (void *)CONFIG_SYS_SDRAM_BASE;
- }
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