diff options
Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h | 87 |
1 files changed, 22 insertions, 65 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h b/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h index 60f98bc89a..9990304645 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h +++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -103,10 +104,10 @@ static void proc_CLFLUSH(u32 addr_hi) __asm__ volatile ( /* clflush fs:[eax] */ - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "clflush %%fs:(%0)\n\t" + "outb %%al, $0xed\n\t" /* _EXECFENCE */ + "clflush %%fs:(%0)\n\t" "mfence\n\t" - ::"a" (addr_hi<<8) + ::"a" (addr_hi<<8) ); } @@ -141,6 +142,24 @@ static u32 read32_fs(u32 addr_lo) return value; } +static uint64_t read64_fs(uint32_t addr_lo) +{ + uint64_t value = 0; + uint32_t value_lo; + uint32_t value_hi; + + __asm__ volatile ( + "outb %%al, $0xed\n\t" /* _EXECFENCE */ + "mfence\n\t" + "movl %%fs:(%2), %0\n\t" + "movl %%fs:(%3), %1\n\t" + :"=c"(value_lo), "=d"(value_hi): "a" (addr_lo), "b" (addr_lo + 4) : "memory" + ); + value |= value_lo; + value |= ((uint64_t)value_hi) << 32; + return value; +} + #ifdef UNUSED_CODE static u8 read8_fs(u32 addr_lo) { @@ -210,68 +229,6 @@ static __attribute__((noinline)) void FlushDQSTestPattern_L18(u32 addr_lo) ); } -static void ReadL18TestPattern(u32 addr_lo) -{ - /* set fs and use fs prefix to access the mem */ - __asm__ volatile ( - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "movl %%fs:-128(%%esi), %%eax\n\t" /* TestAddr cache line */ - "movl %%fs:-64(%%esi), %%eax\n\t" /* +1 */ - "movl %%fs:(%%esi), %%eax\n\t" /* +2 */ - "movl %%fs:64(%%esi), %%eax\n\t" /* +3 */ - - "movl %%fs:-128(%%edi), %%eax\n\t" /* +4 */ - "movl %%fs:-64(%%edi), %%eax\n\t" /* +5 */ - "movl %%fs:(%%edi), %%eax\n\t" /* +6 */ - "movl %%fs:64(%%edi), %%eax\n\t" /* +7 */ - - "movl %%fs:-128(%%ebx), %%eax\n\t" /* +8 */ - "movl %%fs:-64(%%ebx), %%eax\n\t" /* +9 */ - "movl %%fs:(%%ebx), %%eax\n\t" /* +10 */ - "movl %%fs:64(%%ebx), %%eax\n\t" /* +11 */ - - "movl %%fs:-128(%%ecx), %%eax\n\t" /* +12 */ - "movl %%fs:-64(%%ecx), %%eax\n\t" /* +13 */ - "movl %%fs:(%%ecx), %%eax\n\t" /* +14 */ - "movl %%fs:64(%%ecx), %%eax\n\t" /* +15 */ - - "movl %%fs:-128(%%edx), %%eax\n\t" /* +16 */ - "movl %%fs:-64(%%edx), %%eax\n\t" /* +17 */ - "mfence\n\t" - - :: "a"(0), "b" (addr_lo+128+8*64), "c" (addr_lo+128+12*64), - "d" (addr_lo +128+16*64), "S"(addr_lo+128), - "D"(addr_lo+128+4*64) - ); - -} - -static void ReadL9TestPattern(u32 addr_lo) -{ - - /* set fs and use fs prefix to access the mem */ - __asm__ volatile ( - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - - "movl %%fs:-128(%%ecx), %%eax\n\t" /* TestAddr cache line */ - "movl %%fs:-64(%%ecx), %%eax\n\t" /* +1 */ - "movl %%fs:(%%ecx), %%eax\n\t" /* +2 */ - "movl %%fs:64(%%ecx), %%eax\n\t" /* +3 */ - - "movl %%fs:-128(%%edx), %%eax\n\t" /* +4 */ - "movl %%fs:-64(%%edx), %%eax\n\t" /* +5 */ - "movl %%fs:(%%edx), %%eax\n\t" /* +6 */ - "movl %%fs:64(%%edx), %%eax\n\t" /* +7 */ - - "movl %%fs:-128(%%ebx), %%eax\n\t" /* +8 */ - "mfence\n\t" - - :: "a"(0), "b" (addr_lo+128+8*64), "c"(addr_lo+128), - "d"(addr_lo+128+4*64) - ); - -} - static void ReadMaxRdLat1CLTestPattern_D(u32 addr) { SetUpperFSbase(addr); |