mainboard.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <boot/coreboot_tables.h>
#include <device/device.h>
#include <gpio.h>
#include <soc/clock.h>
#include <soc/soc_services.h>
#include <soc/usb.h>
#include <soc/blsp.h>
#include <symbols.h>
 
#include <vendorcode/google/chromeos/chromeos.h>
#include "mmu.h"
 
#define USB_ENABLE_GPIO         51
 
static void setup_usb(void)
{
        usb_clock_config();
 
        setup_usb_host1();
}
 
static void mainboard_init(struct device *dev)
{
        /* disable mmu and d-cache before setting up secure world.*/
        dcache_mmu_disable();
        start_tzbsp();
        /* Setup mmu and d-cache again as non secure entries. */
        setup_mmu(DRAM_INITIALIZED);
        setup_usb();
 
        /* Copy WIFI calibration data into CBMEM. */
        if (CONFIG(CHROMEOS))
                cbmem_add_vpd_calibration_data();
 
        /*
         * Make sure bootloader can issue sounds The frequency is calculated
         * as "<frame_rate> * <bit_width> * <channels> * 4", i.e.
         *
         * 48000 * 2 * 16 * 4 = 6144000
         */
        //audio_clock_config(6144000);
}
 
static void mainboard_enable(struct device *dev)
{
        dev->ops->init = &mainboard_init;
}
 
struct chip_operations mainboard_ops = {
        .enable_dev = mainboard_enable,
};
 
void lb_board(struct lb_header *header)
{
        struct lb_range *dma;
 
        dma = (struct lb_range *)lb_new_record(header);
        dma->tag = LB_TAG_DMA;
        dma->size = sizeof(*dma);
        dma->range_start = (uintptr_t)_dma_coherent;
        dma->range_size = REGION_SIZE(dma_coherent);
 
        if (CONFIG(CHROMEOS)) {
                /* Retrieve the switch interface MAC addresses. */
                lb_table_add_macs_from_vpd(header);
        }
}