From b8b117c7e72ceb641c14db499a2c004fdfaf64f9 Mon Sep 17 00:00:00 2001 From: Angel Pons Date: Tue, 15 Sep 2020 02:26:29 +0200 Subject: nb/intel/x4x: Clean up TPM-related code Perform the read to the TPM base address using functions. Remove dead variable assignment and rename TPM base address macro. Tested with BUILD_TIMELESS=1. Asus P5QL PRO remains identical. Change-Id: I11d737903c57fce768b760fe717564dae8879ad0 Signed-off-by: Angel Pons Reviewed-on: https://review.coreboot.org/c/coreboot/+/45389 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Rudolph --- src/northbridge/intel/x4x/bootblock.c | 8 ++++---- src/northbridge/intel/x4x/iomap.h | 3 +-- 2 files changed, 5 insertions(+), 6 deletions(-) (limited to 'src') diff --git a/src/northbridge/intel/x4x/bootblock.c b/src/northbridge/intel/x4x/bootblock.c index 328464a440..baa4ae336c 100644 --- a/src/northbridge/intel/x4x/bootblock.c +++ b/src/northbridge/intel/x4x/bootblock.c @@ -1,17 +1,17 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ #include +#include #include + #include "x4x.h" #include "iomap.h" void bootblock_early_northbridge_init(void) { - uint32_t reg32; - /* Disable LaGrande Technology (LT) */ - reg32 = TPM32(0); + read32((void *)TPM_BASE_ADDRESS); - reg32 = CONFIG_MMCONF_BASE_ADDRESS | 16 | 1; + const uint32_t reg32 = CONFIG_MMCONF_BASE_ADDRESS | 16 | 1; pci_io_write_config32(HOST_BRIDGE, D0F0_PCIEXBAR_LO, reg32); } diff --git a/src/northbridge/intel/x4x/iomap.h b/src/northbridge/intel/x4x/iomap.h index d016cf74af..22a675fc42 100644 --- a/src/northbridge/intel/x4x/iomap.h +++ b/src/northbridge/intel/x4x/iomap.h @@ -8,7 +8,6 @@ #define DEFAULT_EPBAR 0xfed19000 /* 4 KB */ #define DEFAULT_HECIBAR 0xfed10000 -#define TPMBASE 0xfed40000 -#define TPM32(x) (*((volatile u32 *)(TPMBASE + (x)))) +#define TPM_BASE_ADDRESS 0xfed40000 #endif /* X4X_IOMAP_H */ -- cgit v1.2.3