u-boot/arch/arm/mach-mediatek/mt7986/init.c
Weijie Gao 10c6233696 arm: mediatek: add support for MediaTek MT7986 SoC
This patch adds basic support for MediaTek MT7986 SoC.
This include the file that will initialize the SoC after boot and its
device tree.

Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
2022-09-23 15:09:15 -04:00

45 lines
854 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022 MediaTek Inc.
* Author: Sam Shih <sam.shih@mediatek.com>
*/
#include <init.h>
#include <asm/armv8/mmu.h>
#include <asm/system.h>
#include <asm/global_data.h>
DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, SZ_2G);
return 0;
}
void reset_cpu(ulong addr)
{
psci_system_reset();
}
static struct mm_region mt7986_mem_map[] = {
{
/* DDR */
.virt = 0x40000000UL,
.phys = 0x40000000UL,
.size = 0x80000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE,
}, {
.virt = 0x00000000UL,
.phys = 0x00000000UL,
.size = 0x40000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
0,
}
};
struct mm_region *mem_map = mt7986_mem_map;