diff options
Diffstat (limited to 'src/northbridge/amd/amdmct/mct/mct_d_gcc.h')
-rw-r--r-- | src/northbridge/amd/amdmct/mct/mct_d_gcc.h | 368 |
1 files changed, 21 insertions, 347 deletions
diff --git a/src/northbridge/amd/amdmct/mct/mct_d_gcc.h b/src/northbridge/amd/amdmct/mct/mct_d_gcc.h index fbfe988ab2..0b9a7d19f1 100644 --- a/src/northbridge/amd/amdmct/mct/mct_d_gcc.h +++ b/src/northbridge/amd/amdmct/mct/mct_d_gcc.h @@ -13,362 +13,36 @@ * GNU General Public License for more details. */ +#ifndef MCT_D_GCC_H +#define MCT_D_GCC_H -static inline void _WRMSR(u32 addr, u32 lo, u32 hi) -{ - __asm__ volatile ( - "wrmsr" - : - :"c"(addr),"a"(lo), "d" (hi) - ); -} +#include <inttypes.h> - -static inline void _RDMSR(u32 addr, u32 *lo, u32 *hi) -{ - __asm__ volatile ( - "rdmsr" - :"=a"(*lo), "=d" (*hi) - :"c"(addr) - ); -} - - -static inline void _RDTSC(u32 *lo, u32 *hi) -{ - __asm__ volatile ( - "rdtsc" - : "=a" (*lo), "=d"(*hi) - ); -} - - -static inline void _cpu_id(u32 addr, u32 *val) -{ - __asm__ volatile( - "cpuid" - : "=a" (val[0]), - "=b" (val[1]), - "=c" (val[2]), - "=d" (val[3]) - : "0" (addr)); - -} - - -static u32 bsr(u32 x) -{ - u8 i; - u32 ret = 0; - - for (i = 31; i > 0; i--) { - if (x & (1<<i)) { - ret = i; - break; - } - } - - return ret; - -} - - -static u32 bsf(u32 x) -{ - u8 i; - u32 ret = 32; - - for (i = 0; i < 32; i++) { - if (x & (1<<i)) { - ret = i; - break; - } - } - - return ret; -} +void _WRMSR(u32 addr, u32 lo, u32 hi); +void _RDMSR(u32 addr, u32 *lo, u32 *hi); +void _RDTSC(u32 *lo, u32 *hi); +void _cpu_id(u32 addr, u32 *val); +u32 bsr(u32 x); +u32 bsf(u32 x); #define _MFENCE asm volatile ("mfence") - #define _SFENCE asm volatile ("sfence") /* prevent speculative execution of following instructions */ #define _EXECFENCE asm volatile ("outb %al, $0xed") -#include <cpu/x86/cr.h> - u32 SetUpperFSbase(u32 addr_hi); +void proc_CLFLUSH(u32 addr_hi); +void WriteLNTestPattern(u32 addr_lo, u8 *buf_a, u32 line_num); +u32 read32_fs(u32 addr_lo); +void FlushDQSTestPattern_L9(u32 addr_lo); +__attribute__((noinline)) void FlushDQSTestPattern_L18(u32 addr_lo); +void ReadL18TestPattern(u32 addr_lo); +void ReadL9TestPattern(u32 addr_lo); +void ReadMaxRdLat1CLTestPattern_D(u32 addr); +void WriteMaxRdLat1CLTestPattern_D(u32 buf, u32 addr); +void FlushMaxRdLatTestPattern_D(u32 addr); +u32 stream_to_int(u8 const *p); +u8 oemNodePresent_D(u8 Node, u8 *ret); - -static void proc_CLFLUSH(u32 addr_hi) -{ - SetUpperFSbase(addr_hi); - - __asm__ volatile ( - /* clflush fs:[eax] */ - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "clflush %%fs:(%0)\n\t" - "mfence\n\t" - ::"a" (addr_hi<<8) - ); -} - - -static void WriteLNTestPattern(u32 addr_lo, u8 *buf_a, u32 line_num) -{ - __asm__ volatile ( - /*prevent speculative execution of following instructions*/ - /* FIXME: needed ? */ - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "1:\n\t" - "movdqa (%3), %%xmm0\n\t" - "movntdq %%xmm0, %%fs:(%0)\n\t" /* xmm0 is 128 bit */ - "addl %1, %0\n\t" - "addl %1, %3\n\t" - "loop 1b\n\t" - "mfence\n\t" - - :: "a" (addr_lo), "d" (16), "c" (line_num * 4), "b"(buf_a) - ); - -} - - -static u32 read32_fs(u32 addr_lo) -{ - u32 value; - __asm__ volatile ( - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "movl %%fs:(%1), %0\n\t" - :"=b"(value): "a" (addr_lo) - ); - return value; -} - -#ifdef UNUSED_CODE -static u8 read8_fs(u32 addr_lo) -{ - u8 byte; - __asm__ volatile ( - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "movb %%fs:(%1), %b0\n\t" - "mfence\n\t" - :"=b"(byte): "a" (addr_lo) - ); - return byte; -} #endif - -static void FlushDQSTestPattern_L9(u32 addr_lo) -{ - __asm__ volatile ( - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "clflush %%fs:-128(%%ecx)\n\t" - "clflush %%fs:-64(%%ecx)\n\t" - "clflush %%fs:(%%ecx)\n\t" - "clflush %%fs:64(%%ecx)\n\t" - - "clflush %%fs:-128(%%eax)\n\t" - "clflush %%fs:-64(%%eax)\n\t" - "clflush %%fs:(%%eax)\n\t" - "clflush %%fs:64(%%eax)\n\t" - - "clflush %%fs:-128(%%ebx)\n\t" - - :: "b" (addr_lo+128+8*64), "c"(addr_lo+128), - "a"(addr_lo+128+4*64) - ); - -} - - -static __attribute__((noinline)) void FlushDQSTestPattern_L18(u32 addr_lo) -{ - __asm__ volatile ( - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "clflush %%fs:-128(%%eax)\n\t" - "clflush %%fs:-64(%%eax)\n\t" - "clflush %%fs:(%%eax)\n\t" - "clflush %%fs:64(%%eax)\n\t" - - "clflush %%fs:-128(%%edi)\n\t" - "clflush %%fs:-64(%%edi)\n\t" - "clflush %%fs:(%%edi)\n\t" - "clflush %%fs:64(%%edi)\n\t" - - "clflush %%fs:-128(%%ebx)\n\t" - "clflush %%fs:-64(%%ebx)\n\t" - "clflush %%fs:(%%ebx)\n\t" - "clflush %%fs:64(%%ebx)\n\t" - - "clflush %%fs:-128(%%ecx)\n\t" - "clflush %%fs:-64(%%ecx)\n\t" - "clflush %%fs:(%%ecx)\n\t" - "clflush %%fs:64(%%ecx)\n\t" - - "clflush %%fs:-128(%%edx)\n\t" - "clflush %%fs:-64(%%edx)\n\t" - - :: "b" (addr_lo+128+8*64), "c" (addr_lo+128+12*64), - "d" (addr_lo +128+16*64), "a"(addr_lo+128), - "D"(addr_lo+128+4*64) - ); -} - - -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); - - __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 - "mfence\n\t" - :: "a"(0), "S"((addr<<8)+128) - ); - -} - - -static void WriteMaxRdLat1CLTestPattern_D(u32 buf, u32 addr) -{ - SetUpperFSbase(addr); - - __asm__ volatile ( - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "1:\n\t" - "movdqa (%3), %%xmm0\n\t" - "movntdq %%xmm0, %%fs:(%0)\n\t" /* xmm0 is 128 bit */ - "addl %1, %0\n\t" - "addl %1, %3\n\t" - "loop 1b\n\t" - "mfence\n\t" - - :: "a" (addr<<8), "d" (16), "c" (3 * 4), "b"(buf) - ); -} - - -static void FlushMaxRdLatTestPattern_D(u32 addr) -{ - /* Flush a pattern of 72 bit times (per DQ) from cache. - * This procedure is used to ensure cache miss on the next read training. - */ - - SetUpperFSbase(addr); - - __asm__ volatile ( - "outb %%al, $0xed\n\t" /* _EXECFENCE */ - "clflush %%fs:-128(%%esi)\n\t" //TestAddr cache line - "clflush %%fs:-64(%%esi)\n\t" //+1 - "clflush %%fs:(%%esi)\n\t" //+2 - "mfence\n\t" - - :: "S"((addr<<8)+128) - ); -} - - -static u32 stream_to_int(u8 const *p) -{ - int i; - u32 val; - u32 valx; - - val = 0; - - for (i = 3; i >= 0; i--) { - val <<= 8; - valx = *(p+i); - val |= valx; - } - - return val; -} - - -#ifdef UNUSED_CODE -static void oemSet_NB32(u32 addr, u32 val, u8 *valid) -{ -} - - -static u32 oemGet_NB32(u32 addr, u8 *valid) -{ - *valid = 0; - return 0xffffffff; -} -#endif - - -static u8 oemNodePresent_D(u8 Node, u8 *ret) -{ - *ret = 0; - return 0; -} |