mainboard.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <baseboard/variants.h>
#include <device/device.h>
#include <nhlt.h>
#include <soc/gpio.h>
#include <soc/nhlt.h>
 
static void mainboard_init(void *chip_info)
{
        const struct pad_config *pads;
        size_t num;
 
        pads = variant_gpio_table(&num);
        gpio_configure_pads(pads, num);
}
 
static unsigned long mainboard_write_acpi_tables(const struct device *device,
                                                 unsigned long current,
                                                 acpi_rsdp_t *rsdp)
{
        uintptr_t start_addr;
        uintptr_t end_addr;
        struct nhlt *nhlt;
 
        start_addr = current;
 
        nhlt = nhlt_init();
 
        if (nhlt == NULL)
                return start_addr;
 
        variant_nhlt_init(nhlt);
 
        end_addr = nhlt_soc_serialize(nhlt, start_addr);
 
        if (end_addr != start_addr)
                acpi_add_table(rsdp, (void *)start_addr);
 
        return end_addr;
}
 
static void mainboard_enable(struct device *dev)
{
        dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
}
 
struct chip_operations mainboard_ops = {
        .init = mainboard_init,
        .enable_dev = mainboard_enable,
};