mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 22:03:15 +00:00
b9d0f00a9d
This adds platform code and the device tree for the Phytium Pomelo Board. The initial support comprises the UART and the PCIE. Signed-off-by: weichangzheng <nicholas_zheng@outlook.com>
118 lines
2 KiB
C
118 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2021
|
|
* lixinde <lixinde@phytium.com.cn>
|
|
* weichangzheng <weichangzheng@phytium.com.cn>
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <command.h>
|
|
#include <init.h>
|
|
#include <asm/armv8/mmu.h>
|
|
#include <asm/io.h>
|
|
#include <linux/arm-smccc.h>
|
|
#include <scsi.h>
|
|
#include <init.h>
|
|
#include <asm/u-boot.h>
|
|
#include "cpu.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
int dram_init(void)
|
|
{
|
|
debug("Phytium ddr init\n");
|
|
ddr_init();
|
|
|
|
gd->mem_clk = 0;
|
|
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, 0x7b000000);
|
|
|
|
sec_init();
|
|
debug("PBF relocate done\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void reset_cpu(void)
|
|
{
|
|
struct arm_smccc_res res;
|
|
|
|
debug("run in reset cpu\n");
|
|
arm_smccc_smc(0x84000009, 0, 0, 0, 0, 0, 0, 0, &res);
|
|
if (res.a0 != 0)
|
|
panic("reset cpu error, %lx\n", res.a0);
|
|
}
|
|
|
|
int mach_cpu_init(void)
|
|
{
|
|
check_reset();
|
|
return 0;
|
|
}
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
pcie_init();
|
|
return 0;
|
|
}
|
|
|
|
static struct mm_region pomelo_mem_map[] = {
|
|
{
|
|
.virt = 0x0UL,
|
|
.phys = 0x0UL,
|
|
.size = 0x80000000UL,
|
|
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
|
|
PTE_BLOCK_NON_SHARE |
|
|
PTE_BLOCK_PXN |
|
|
PTE_BLOCK_UXN
|
|
},
|
|
{
|
|
.virt = 0x80000000UL,
|
|
.phys = 0x80000000UL,
|
|
.size = 0x7b000000UL,
|
|
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
|
|
PTE_BLOCK_NS |
|
|
PTE_BLOCK_INNER_SHARE
|
|
},
|
|
{
|
|
0,
|
|
}
|
|
};
|
|
|
|
struct mm_region *mem_map = pomelo_mem_map;
|
|
|
|
int __asm_flush_l3_dcache(void)
|
|
{
|
|
int i, pstate;
|
|
|
|
for (i = 0; i < HNF_COUNT; i++)
|
|
writeq(HNF_PSTATE_SFONLY, HNF_PSTATE_REQ + i * HNF_STRIDE);
|
|
for (i = 0; i < HNF_COUNT; i++) {
|
|
do {
|
|
pstate = readq(HNF_PSTATE_STAT + i * HNF_STRIDE);
|
|
} while ((pstate & 0xf) != (HNF_PSTATE_SFONLY << 2));
|
|
}
|
|
|
|
for (i = 0; i < HNF_COUNT; i++)
|
|
writeq(HNF_PSTATE_FULL, HNF_PSTATE_REQ + i * HNF_STRIDE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int last_stage_init(void)
|
|
{
|
|
int ret;
|
|
|
|
/* pci e */
|
|
pci_init();
|
|
/* scsi scan */
|
|
ret = scsi_scan(true);
|
|
if (ret) {
|
|
printf("scsi scan failed\n");
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
return ret;
|
|
}
|