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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
/*
* Derived from Cavium's BSD-3 Clause OCTEONTX-SDK-6.2.0.
*/
#include <device/device.h>
#include <libbdk-hal/bdk-config.h>
#include <libbdk-hal/bdk-twsi.h>
#include <soc/gpio.h>
#include <soc/uart.h>
#include <console/console.h>
#include <soc/clock.h>
#include <soc/timer.h>
#include <soc/cpu.h>
#include <soc/sdram.h>
#include <soc/spi.h>
#include <spi_flash.h>
#include <fmap.h>
static void mainboard_print_info(void)
{
struct region region;
if (fmap_locate_area("WP_RO", ®ion) < 0) {
printk(BIOS_ERR, "MB: Could not find region '%s'\n", "WP_RO");
} else {
const struct spi_flash *flash = boot_device_spi_flash();
const bool prot = (flash != NULL) &&
(spi_flash_is_write_protected(flash, ®ion) == 1);
printk(BIOS_INFO, "MB: WP_RO is %swrite protected\n",
prot ? "" : "not ");
}
printk(BIOS_INFO, "MB: trusted boot : %s\n",
gpio_strap_value(10) ? "yes" : "no");
const size_t boot_method = gpio_strap_value(0) |
(gpio_strap_value(1) << 1) |
(gpio_strap_value(2) << 2) |
(gpio_strap_value(3) << 3);
printk(BIOS_INFO, "MB: boot method : ");
switch (boot_method) {
case 0x2:
case 0x3:
printk(BIOS_INFO, "EMMC\n");
break;
case 0x5:
case 0x6:
printk(BIOS_INFO, "SPI\n");
break;
case 0x8:
printk(BIOS_INFO, "REMOTE\n");
break;
case 0xc:
case 0xd:
printk(BIOS_INFO, "PCIe\n");
break;
default:
printk(BIOS_INFO, "unknown\n");
}
printk(BIOS_INFO, "MB: REFclk : %llu MHz\n",
thunderx_get_ref_clock() / 1000000ULL);
printk(BIOS_INFO, "MB: IOclk : %llu MHz\n",
thunderx_get_io_clock() / 1000000ULL);
printk(BIOS_INFO, "MB: COREclk : %llu MHz\n",
thunderx_get_core_clock() / 1000000ULL);
printk(BIOS_INFO, "MB: #CPU cores : %zu\n",
cpu_get_num_available_cores());
printk(BIOS_INFO, "MB: RAM : %zu MiB\n",
sdram_size_mb());
printk(BIOS_INFO, "MB: SPIclk : %llu kHz\n",
spi_get_clock(0) >> 10);
}
extern const struct bdk_devicetree_key_value devtree[];
static void mainboard_init(struct device *dev)
{
size_t i;
/* Init timer */
soc_timer_init();
/* Init CPUs */
for (i = 1; i < CONFIG_MAX_CPUS; i++)
start_cpu(i, NULL);
}
static void mainboard_enable(struct device *dev)
{
dev->ops->init = &mainboard_init;
bdk_config_set_fdt(devtree);
mainboard_print_info();
}
struct chip_operations mainboard_ops = {
.name = CONFIG_MAINBOARD_PART_NUMBER,
.enable_dev = mainboard_enable,
};
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