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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2018 Jonathan Neuschäfer
* Copyright (C) 2019 HardenedLinux
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <boot_device.h>
#include <soc/spi.h>
/* At 0x20000000: A 256MiB long memory-mapped view of the flash at QSPI0 */
static struct mem_region_device mdev =
MEM_REGION_DEV_RO_INIT((void *)0x20000000, CONFIG_ROM_SIZE);
const struct region_device *boot_device_ro(void)
{
return &mdev.rdev;
}
const static struct fu540_spi_mmap_config spi_mmap_config = {
.cmd_en = 1,
.addr_len = 4,
.pad_cnt = 6,
.cmd_proto = FU540_SPI_PROTO_S,
.addr_proto = FU540_SPI_PROTO_Q,
.data_proto = FU540_SPI_PROTO_Q,
.cmd_code = 0xec,
.pad_code = 0
};
void boot_device_init(void)
{
struct spi_slave slave;
/* initialize spi controller */
spi_setup_slave(0, 0, &slave);
/* map flash to memory space */
fu540_spi_mmap(&slave, &spi_mmap_config);
}
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