u-boot/board/phytium/durian/durian.c
liu hao e3aafef4cf arm: add initial support for the Phytium Durian Board
This adds platform code and the device tree for the Phytium Durian Board.
The initial support comprises the UART and the PCIE.

Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Kever Yang <kever.yang@rock-chips.com>
Cc: Tom Rini <trini@konsulko.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>

Signed-off-by: Steven Hao <liuhao@phytium.com.cn>
2019-11-07 18:01:13 -05:00

110 lines
1.9 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2019
* shuyiqi <shuyiqi@phytium.com.cn>
* liuhao <liuhao@phytium.com.cn>
*/
#include <common.h>
#include <asm/armv8/mmu.h>
#include <asm/system.h>
#include <asm/io.h>
#include <linux/arm-smccc.h>
#include <linux/kernel.h>
#include <scsi.h>
#include "cpu.h"
DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
gd->mem_clk = 0;
gd->ram_size = PHYS_SDRAM_1_SIZE;
return 0;
}
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
return 0;
}
int board_init(void)
{
return 0;
}
void reset_cpu(ulong addr)
{
struct arm_smccc_res res;
arm_smccc_smc(0x84000009, 0, 0, 0, 0, 0, 0, 0, &res);
debug("reset cpu error, %lx\n", res.a0);
}
static struct mm_region durian_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 = (u64)PHYS_SDRAM_1,
.phys = (u64)PHYS_SDRAM_1,
.size = (u64)PHYS_SDRAM_1_SIZE,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_NS |
PTE_BLOCK_INNER_SHARE
},
{
0,
}
};
struct mm_region *mem_map = durian_mem_map;
int print_cpuinfo(void)
{
printf("CPU: Phytium ft2004 %ld MHz\n", gd->cpu_clk);
return 0;
}
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;
}