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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018 MediaTek Inc.
* Copyright (C) 2019 BayLibre, SAS
* Author: Fabien Parent <fparent@baylibre.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 <linux/io.h>
#include <dt-bindings/clock/mt8516-clk.h>
DECLARE_GLOBAL_DATA_PTR;
#define WDOG_SWRST 0x10007014
#define WDOG_SWRST_KEY 0x1209
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;
}
int mtk_pll_early_init(void)
{
unsigned long pll_rates[] = {
[CLK_APMIXED_ARMPLL] = 1300000000,
[CLK_APMIXED_MAINPLL] = 1501000000,
[CLK_APMIXED_UNIVPLL] = 1248000000,
[CLK_APMIXED_MMPLL] = 380000000,
};
struct udevice *dev;
int ret, i;
ret = uclass_get_device_by_driver(UCLASS_CLK,
DM_GET_DRIVER(mtk_clk_apmixedsys), &dev);
if (ret)
return ret;
/* configure default rate then enable apmixedsys */
for (i = 0; i < ARRAY_SIZE(pll_rates); i++) {
struct clk clk = { .id = i, .dev = dev };
ret = clk_set_rate(&clk, pll_rates[i]);
if (ret)
return ret;
ret = clk_enable(&clk);
if (ret)
return ret;
}
return 0;
}
int mtk_soc_early_init(void)
{
int ret;
/* initialize early clocks */
ret = mtk_pll_early_init();
if (ret)
return ret;
return 0;
}
void reset_cpu(ulong addr)
{
while (1) {
writel(WDOG_SWRST_KEY, WDOG_SWRST);
mdelay(5);
}
}
int print_cpuinfo(void)
{
printf("CPU: MediaTek MT8516\n");
return 0;
}
static struct mm_region mt8516_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 = mt8516_mem_map;
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