u-boot/arch/arm/mach-mediatek/mt8518/init.c
mingming lee 13e89d7522 ARM: MediaTek: Add support for MediaTek MT8518 SoC
Add support for MediaTek MT8518 SoC. This include the file
that will initialize the SoC after boot and its device tree.

Signed-off-by: mingming lee <mingming.lee@mediatek.com>
2019-12-03 08:44:14 -05:00

71 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Configuration for MediaTek MT8518 SoC
*
* Copyright (C) 2019 MediaTek Inc.
* Author: Mingming Lee <mingming.lee@mediatek.com>
*/
#include <clk.h>
#include <common.h>
#include <dm.h>
#include <fdtdec.h>
#include <ram.h>
#include <asm/arch/misc.h>
#include <asm/armv8/mmu.h>
#include <asm/sections.h>
#include <dm/uclass.h>
#include <dt-bindings/clock/mt8518-clk.h>
DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
int ret;
ret = fdtdec_setup_memory_banksize();
if (ret)
return ret;
return fdtdec_setup_mem_size_base();
}
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = gd->ram_base;
gd->bd->bi_dram[0].size = gd->ram_size;
return 0;
}
void reset_cpu(ulong addr)
{
psci_system_reset();
}
int print_cpuinfo(void)
{
printf("CPU: MediaTek MT8518\n");
return 0;
}
static struct mm_region mt8518_mem_map[] = {
{
/* DDR */
.virt = 0x40000000UL,
.phys = 0x40000000UL,
.size = 0x20000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE,
}, {
.virt = 0x00000000UL,
.phys = 0x00000000UL,
.size = 0x20000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
0,
}
};
struct mm_region *mem_map = mt8518_mem_map;