spd.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <mainboard/google/auron/variant.h>
#include <southbridge/intel/lynxpoint/lp_gpio.h>
 
/* Auron board memory configuration GPIOs */
#define SPD_GPIO_BIT0           13
#define SPD_GPIO_BIT1           9
#define SPD_GPIO_BIT2           47
 
unsigned int variant_get_spd_index(void)
{
        const int gpio_vector[] = {
                SPD_GPIO_BIT0,
                SPD_GPIO_BIT1,
                SPD_GPIO_BIT2,
                -1,
        };
        return get_gpios(gpio_vector);
}
 
bool variant_is_dual_channel(const unsigned int spd_index)
{
        /* Index 0-2 are 4GB config with both CH0 and CH1.
         * Index 4-6 are 2GB config with CH0 only. */
        return !(spd_index > 3);
}