boardid.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <boardid.h>
#include <gpio.h>
#include <console/console.h>
#include "gpio.h"
 
static int board_id_value = -1;
 
static uint8_t get_board_id(void)
{
        uint8_t bid = 0;
        static gpio_t pins[] = {[2] = BOARD_ID_2, [1] = BOARD_ID_1,
                [0] = BOARD_ID_0};
 
        bid = gpio_base2_value(pins, ARRAY_SIZE(pins));
 
        printk(BIOS_INFO, "Board ID %d\n", bid);
 
        return bid;
}
 
uint32_t board_id(void)
{
        if (board_id_value < 0)
                board_id_value = get_board_id();
 
        return board_id_value;
}
 
uint32_t ram_code(void)
{
        uint32_t code;
        static gpio_t pins[] = {[3] = RAM_ID_3, [2] = RAM_ID_2, [1] = RAM_ID_1,
                [0] = RAM_ID_0};
 
        code = gpio_base2_value(pins, ARRAY_SIZE(pins));
 
        printk(BIOS_INFO, "RAM Config: %u\n", code);
 
        return code;
}