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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2024, Linaro Ltd.
* Author: Sam Protsenko <semen.protsenko@linaro.org>
*/
#include <efi_loader.h>
#include <env.h>
#include <init.h>
#include <mapmem.h>
#include <asm/io.h>
#include "fw.h"
/* OTP Controller base address and register offsets */
#define EXYNOS850_OTP_BASE 0x10000000
#define OTP_CHIPID0 0x4
#define OTP_CHIPID1 0x8
struct efi_fw_image fw_images[] = {
{
.image_type_id = E850_96_FWBL1_IMAGE_GUID,
.fw_name = u"E850-96-FWBL1",
.image_index = 1,
},
{
.image_type_id = E850_96_EPBL_IMAGE_GUID,
.fw_name = u"E850-96-EPBL",
.image_index = 2,
},
{
.image_type_id = E850_96_BL2_IMAGE_GUID,
.fw_name = u"E850-96-BL2",
.image_index = 3,
},
{
.image_type_id = E850_96_BOOTLOADER_IMAGE_GUID,
.fw_name = u"E850-96-BOOTLOADER",
.image_index = 4,
},
{
.image_type_id = E850_96_EL3_MON_IMAGE_GUID,
.fw_name = u"E850-96-EL3-MON",
.image_index = 5,
},
};
struct efi_capsule_update_info update_info = {
.dfu_string = "mmc 0="
"fwbl1.img raw 0x0 0x18 mmcpart 1;"
"epbl.img raw 0x18 0x98 mmcpart 1;"
"bl2.img raw 0xb0 0x200 mmcpart 1;"
"bootloader.img raw 0x438 0x1000 mmcpart 1;"
"el3_mon.img raw 0x1438 0x200 mmcpart 1",
.num_images = ARRAY_SIZE(fw_images),
.images = fw_images,
};
int dram_init(void)
{
return fdtdec_setup_mem_size_base();
}
int dram_init_banksize(void)
{
return fdtdec_setup_memory_banksize();
}
/* Read the unique SoC ID from OTP registers */
static u64 get_chip_id(void)
{
void __iomem *otp_base;
u64 val;
otp_base = map_sysmem(EXYNOS850_OTP_BASE, 12);
val = readl(otp_base + OTP_CHIPID0);
val |= (u64)readl(otp_base + OTP_CHIPID1) << 32UL;
unmap_sysmem(otp_base);
return val;
}
static void setup_serial(void)
{
char serial_str[17] = { 0 };
u64 serial_num;
if (env_get("serial#"))
return;
serial_num = get_chip_id();
snprintf(serial_str, sizeof(serial_str), "%016llx", serial_num);
env_set("serial#", serial_str);
}
int board_late_init(void)
{
int err;
setup_serial();
/*
* Do this in board_late_init() to make sure MMC is not probed before
* efi_init_early().
*/
err = load_ldfw();
if (err)
printf("ERROR: LDFW loading failed (%d)\n", err);
return 0;
}
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