src/mainboard/asus/a88xm-e/mainboard.c

/* SPDX-License-Identifier: GPL-2.0-only */

#include <cpu/x86/msr.h>
#include <cpu/amd/msr.h>
#include <device/device.h>
#include <southbridge/amd/common/amd_pci_util.h>

static const u8 mainboard_picr_data[] = {
	0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x0A, 0xF1, 0x00, 0x00, 0x1F, 0x1F,
	0x1F, 0x1F, 0x09, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
};
static const u8 mainboard_intr_data[84] = {
	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F,
	0x1F, 0x1F, 0x09, 0x1F, 0x1F, 0x10, 0x1F, 0x10, 0x1F, 0x10, 0x1F, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x05, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x11, 0x12, 0x11, 0x12, 0x11, 0x12, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x13, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x12, 0x13,
};

/* PIRQ Setup */
static void pirq_setup(void)
{
	intr_data_ptr = mainboard_intr_data;
	picr_data_ptr = mainboard_picr_data;
}

/* dedicated "enable" function (taken from thatcher) */
static void mainboard_enable(struct device *dev)
{
	msr_t msr;

	pirq_setup();

	msr = rdmsr(LS_CFG_MSR);
	/* Enable streaming store functionality. */
	msr.lo &= ~(1 << 28);
	wrmsr(LS_CFG_MSR, msr);

	msr = rdmsr(DC_CFG_MSR);
	/* Enable speculative TLB preloads. */
	msr.lo &= ~(1 << 4);
	/* Enable the DC hardware prefetcher. */
	msr.lo &= ~(1 << 13);
	wrmsr(DC_CFG_MSR, msr);

	msr = rdmsr(BU_CFG_MSR);
	/* Disable the L2 way lock. */
	msr.lo &= ~(1 << 23);
	wrmsr(BU_CFG_MSR, msr);
}

struct chip_operations mainboard_ops = {
	.enable_dev = mainboard_enable,
};