diff options
Diffstat (limited to 'src/mainboard/asus/a88xm-e/mainboard.c')
-rw-r--r-- | src/mainboard/asus/a88xm-e/mainboard.c | 61 |
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, +}; |