ramstage.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <boardid.h>
#include <smbios.h>
#include <soc/gpio.h>
#include <variant/gpio.h>
 
#if CONFIG(GENERATE_SMBIOS_TABLES)
/* mainboard silk screen shows DIMM-A and DIMM-B */
void smbios_fill_dimm_locator(const struct dimm_info *dimm,
        struct smbios_type17 *t)
{
        switch (dimm->channel_num) {
        case 0:
                t->device_locator = smbios_add_string(t->eos, "DIMM-A");
                break;
        case 1:
                t->device_locator = smbios_add_string(t->eos, "DIMM-B");
                break;
        default:
                t->device_locator = smbios_add_string(t->eos, "UNKNOWN");
                break;
        }
}
#endif
 
static const struct pad_config gpio_unused[] = {
/* SUSWARN# */          PAD_NC(GPP_A13, NONE),
/* SUSACK# */           PAD_NC(GPP_A15, NONE),
/* M2_SKT2_CFG0 */      PAD_NC(GPP_H12, NONE),
/* M2_SKT2_CFG1 */      PAD_NC(GPP_H13, NONE),
};
 
static void mainboard_init(void *chip_info)
{
        const struct pad_config *gpio_table;
        size_t num_gpios;
 
        gpio_table = variant_gpio_table(&num_gpios);
        gpio_configure_pads(gpio_table, num_gpios);
 
        /* Disable unused pads for devices with board ID > 2 */
        if (board_id() > 2)
                gpio_configure_pads(gpio_unused, ARRAY_SIZE(gpio_unused));
}
 
struct chip_operations mainboard_ops = {
        .init = mainboard_init,
};