From 00d0ddb62b82ff3c937676d2a3ace43a899a6cff Mon Sep 17 00:00:00 2001 From: Elyes HAOUAS Date: Sun, 11 Nov 2018 18:48:58 +0100 Subject: nb/amd/amdmct/{mct,mct_ddr3}: Replace "magic" numbers with macros MTRR addresses are publicly available at cpu/x86/mtrr.h, so use macros instead of "magic" numbers. Change-Id: I224136ed4a19199bae0223a1aae366b3dd4ef9cf Signed-off-by: Elyes HAOUAS Reviewed-on: https://review.coreboot.org/c/29580 Reviewed-by: Richard Spiegel Tested-by: build bot (Jenkins) --- src/northbridge/amd/amdmct/mct/mctmtr_d.c | 22 +++++++++++----------- src/northbridge/amd/amdmct/mct_ddr3/mctmtr_d.c | 21 +++++++++++---------- 2 files changed, 22 insertions(+), 21 deletions(-) (limited to 'src') diff --git a/src/northbridge/amd/amdmct/mct/mctmtr_d.c b/src/northbridge/amd/amdmct/mct/mctmtr_d.c index 1e47ab4c39..883ab651cc 100644 --- a/src/northbridge/amd/amdmct/mct/mctmtr_d.c +++ b/src/northbridge/amd/amdmct/mct/mctmtr_d.c @@ -13,9 +13,9 @@ * GNU General Public License for more details. */ - #include "mct_d.h" #include +#include static void SetMTRRrangeWB_D(u32 Base, u32 *pLimit, u32 *pMtrrAddr); static void SetMTRRrange_D(u32 Base, u32 *pLimit, u32 *pMtrrAddr, u16 MtrrType); @@ -67,11 +67,11 @@ void CPUMemTyping_D(struct MCTStatStruc *pMCTstat, /* NOTE : For coreboot, we don't need to set mtrr enables here because they are still enable from cache_as_ram.inc */ - addr = 0x250; + addr = MTRR_FIX_64K_00000; lo = 0x1E1E1E1E; hi = lo; _WRMSR(addr, lo, hi); /* 0 - 512K = WB Mem */ - addr = 0x258; + addr = MTRR_FIX_16K_80000; _WRMSR(addr, lo, hi); /* 512K - 640K = WB Mem */ /*====================================================================== @@ -81,7 +81,7 @@ void CPUMemTyping_D(struct MCTStatStruc *pMCTstat, 0x200, 0x201 for [1M, CONFIG_TOP_MEM) 0x202, 0x203 for ROM Caching */ - addr = 0x204; /* MTRR phys base 2*/ + addr = MTRR_PHYS_BASE(2); /* MTRR phys base 2*/ /* use TOP_MEM as limit*/ /* Limit = TOP_MEM|TOM2*/ /* Base = 0*/ @@ -112,14 +112,14 @@ void CPUMemTyping_D(struct MCTStatStruc *pMCTstat, addr += 3; /* TOM2 */ _WRMSR(addr, lo, hi); } - addr = 0xC0010010; /* SYS_CFG */ + addr = SYSCFG_MSR; /* SYS_CFG */ _RDMSR(addr, &lo, &hi); if (Bottom40bIO) { - lo |= (1<<21); /* MtrrTom2En = 1 */ - lo |= (1<<22); /* Tom2ForceMemTypeWB */ + lo |= SYSCFG_MSR_TOM2En; /* MtrrTom2En = 1 */ + lo |= SYSCFG_MSR_TOM2WB; /* Tom2ForceMemTypeWB */ } else { - lo &= ~(1<<21); /* MtrrTom2En = 0 */ - lo &= ~(1<<22); /* Tom2ForceMemTypeWB */ + lo &= ~SYSCFG_MSR_TOM2En; /* MtrrTom2En = 0 */ + lo &= ~SYSCFG_MSR_TOM2WB; /* Tom2ForceMemTypeWB */ } _WRMSR(addr, lo, hi); } @@ -235,10 +235,10 @@ void UMAMemTyping_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat /*====================================================================== * Clear variable MTRR values *======================================================================*/ - addr = 0x200; + addr = MTRR_PHYS_BASE(0); lo = 0; hi = lo; - while (addr < 0x20C) { + while (addr < MTRR_PHYS_BASE(6)) { _WRMSR(addr, lo, hi); /* prog. MTRR with current region Mask */ addr++; /* next MTRR pair addr */ } diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctmtr_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mctmtr_d.c index 2bf85622e6..48367570e1 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mctmtr_d.c +++ b/src/northbridge/amd/amdmct/mct_ddr3/mctmtr_d.c @@ -20,6 +20,7 @@ #include "mct_d.h" #include "mct_d_gcc.h" #include +#include static void SetMTRRrangeWB_D(u32 Base, u32 *pLimit, u32 *pMtrrAddr); static void SetMTRRrange_D(u32 Base, u32 *pLimit, u32 *pMtrrAddr, u16 MtrrType); @@ -71,11 +72,11 @@ void CPUMemTyping_D(struct MCTStatStruc *pMCTstat, /* NOTE : For coreboot, we don't need to set mtrr enables here because they are still enable from cache_as_ram.inc */ - addr = 0x250; + addr = MTRR_FIX_64K_00000; lo = 0x1E1E1E1E; hi = lo; _WRMSR(addr, lo, hi); /* 0 - 512K = WB Mem */ - addr = 0x258; + addr = MTRR_FIX_16K_80000; _WRMSR(addr, lo, hi); /* 512K - 640K = WB Mem */ /*====================================================================== @@ -85,7 +86,7 @@ void CPUMemTyping_D(struct MCTStatStruc *pMCTstat, 0x200, 0x201 for [1M, CONFIG_TOP_MEM) 0x202, 0x203 for ROM Caching */ - addr = 0x204; /* MTRR phys base 2*/ + addr = MTRR_PHYS_BASE(2); /* MTRR phys base 2*/ /* use TOP_MEM as limit*/ /* Limit = TOP_MEM|TOM2*/ /* Base = 0*/ @@ -114,14 +115,14 @@ void CPUMemTyping_D(struct MCTStatStruc *pMCTstat, addr += 3; /* TOM2 */ _WRMSR(addr, lo, hi); } - addr = 0xC0010010; /* SYS_CFG */ + addr = SYSCFG_MSR; /* SYS_CFG */ _RDMSR(addr, &lo, &hi); if (Bottom40bIO) { - lo |= (1<<21); /* MtrrTom2En = 1 */ - lo |= (1<<22); /* Tom2ForceMemTypeWB */ + lo |= SYSCFG_MSR_TOM2En; /* MtrrTom2En = 1 */ + lo |= SYSCFG_MSR_TOM2WB; /* Tom2ForceMemTypeWB */ } else { - lo &= ~(1<<21); /* MtrrTom2En = 0 */ - lo &= ~(1<<22); /* Tom2ForceMemTypeWB */ + lo &= ~SYSCFG_MSR_TOM2En; /* MtrrTom2En = 0 */ + lo &= ~SYSCFG_MSR_TOM2WB; /* Tom2ForceMemTypeWB */ } _WRMSR(addr, lo, hi); } @@ -236,10 +237,10 @@ void UMAMemTyping_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat /*====================================================================== * Clear variable MTRR values *======================================================================*/ - addr = 0x200; + addr = MTRR_PHYS_BASE(0); lo = 0; hi = lo; - while (addr < 0x20C) { + while (addr < MTRR_PHYS_BASE(6)) { _WRMSR(addr, lo, hi); /* prog. MTRR with current region Mask */ addr++; /* next MTRR pair addr */ } -- cgit v1.2.3