f23ae0b0f6
Done with sed and God Lines. Only done for C-like code for now. Change-Id: I2adf28d805fe248d55a9514f74c38280c0ad9a78 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/40049 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* This file is part of the coreboot project. */
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#include <cpu/x86/mtrr.h>
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#include <cpu/amd/msr.h>
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#include <cpu/amd/mtrr.h>
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#include <northbridge/amd/agesa/agesa_helper.h>
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#include <Porting.h>
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#include <AGESA.h>
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#include <amdlib.h>
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void amd_initcpuio(void)
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{
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UINT64 MsrReg;
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UINT32 PciData;
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PCI_ADDR PciAddress;
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AMD_CONFIG_PARAMS StdHeader;
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/* Enable legacy video routing: D18F1xF4 VGA Enable */
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PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0xF4);
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PciData = 1;
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LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
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/* The platform BIOS needs to ensure the memory ranges of SB800 legacy
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* devices (TPM, HPET, BIOS RAM, Watchdog Timer, I/O APIC and ACPI) are
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* set to non-posted regions.
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*/
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PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0x84);
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/* last address before processor local APIC at FEE00000 */
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PciData = 0x00FEDF00;
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/* set NP (non-posted) bit */
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PciData |= 1 << 7;
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LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
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PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0x80);
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/* lowest NP address is HPET at FED00000 */
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PciData = (0xFED00000 >> 8) | 3;
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LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
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/* Map the remaining PCI hole as posted MMIO */
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PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0x8C);
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PciData = 0x00FECF00; /* last address before non-posted range */
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LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
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LibAmdMsrRead(TOP_MEM, &MsrReg, &StdHeader);
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MsrReg = (MsrReg >> 8) | 3;
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PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0x88);
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PciData = (UINT32)MsrReg;
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LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
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/* Send all IO (0000-FFFF) to southbridge. */
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PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0xC4);
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PciData = 0x0000F000;
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LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
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PciAddress.AddressValue = MAKE_SBDFO(0, 0, 0x18, 1, 0xC0);
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PciData = 0x00000003;
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LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader);
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}
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