mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-08 06:04:34 +00:00
b9b5956eb0
Currently devices on the virtio bus is not automatically enumerated, which means peripherals on the virtio bus are not discovered by their drivers. This uses board_init() to do the virtio enumeration. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
93 lines
1.8 KiB
C
93 lines
1.8 KiB
C
// 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;
|
|
}
|