u-boot/arch/x86/cpu/intel_common/pch.c
Simon Glass 7e4a6ae62c x86: Move common PCH code into a common place
The SATA indexed register write functions are common to several Intel PCHs.
Move this into a common location.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2016-03-17 10:27:27 +08:00

25 lines
486 B
C

/*
* Copyright (c) 2016 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <dm.h>
#include <asm/pch_common.h>
u32 pch_common_sir_read(struct udevice *dev, int idx)
{
u32 data;
dm_pci_write_config32(dev, SATA_SIRI, idx);
dm_pci_read_config32(dev, SATA_SIRD, &data);
return data;
}
void pch_common_sir_write(struct udevice *dev, int idx, u32 value)
{
dm_pci_write_config32(dev, SATA_SIRI, idx);
dm_pci_write_config32(dev, SATA_SIRD, value);
}