1 files changed, 61 insertions, 0 deletions
diff --git a/src/mainboard/asus/a88xm-e/mainboard.c b/src/mainboard/asus/a88xm-e/mainboard.c
new file mode 100644
index 0000000000..2e08188d15
--- /dev/null
+++ b/src/mainboard/asus/a88xm-e/mainboard.c
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#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;
+
+	printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");
+	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,
+};