boardid.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <boardid.h>
#include <console/console.h>
#include <gpio.h>
 
uint32_t board_id(void)
{
        static int id = -1;
        gpio_t pins[] = {[3] = GPIO(2, A, 7), [2] = GPIO(2, A, 2),
                [1] = GPIO(2, A, 1), [0] = GPIO(2, A, 0)}; /* GPIO2_A0 is LSB */
 
        if (id < 0) {
                id = gpio_base2_value(pins, ARRAY_SIZE(pins));
                printk(BIOS_SPEW, "Board ID: %d.\n", id);
        }
 
        return id;
}
 
uint32_t ram_code(void)
{
        uint32_t code;
        gpio_t pins[] = {[3] = GPIO(8, A, 3), [2] = GPIO(8, A, 2),
                [1] = GPIO(8, A, 1), [0] = GPIO(8, A, 0)}; /* GPIO8_A0 is LSB */
 
        if (CONFIG(VEYRON_FORCE_BINARY_RAM_CODE))
                code = gpio_base2_value(pins, ARRAY_SIZE(pins));
        else
                code = gpio_binary_first_base3_value(pins, ARRAY_SIZE(pins));
        printk(BIOS_SPEW, "RAM Config: %u.\n", code);
 
        return code;
}