u-boot/drivers/pch/pch9.c

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/*
* Copyright (C) 2014 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <pch.h>
#define SBASE_ADDR 0x54
static int pch9_get_spi_base(struct udevice *dev, ulong *sbasep)
{
uint32_t sbase_addr;
dm_pci_read_config32(dev, SBASE_ADDR, &sbase_addr);
*sbasep = sbase_addr & 0xfffffe00;
return 0;
}
static const struct pch_ops pch9_ops = {
.get_spi_base = pch9_get_spi_base,
};
static const struct udevice_id pch9_ids[] = {
{ .compatible = "intel,pch9" },
{ }
};
U_BOOT_DRIVER(pch9_drv) = {
.name = "intel-pch9",
.id = UCLASS_PCH,
.of_match = pch9_ids,
.ops = &pch9_ops,
};