diff options
Diffstat (limited to 'src/northbridge/intel/e7520/raminit.c')
| -rw-r--r-- | src/northbridge/intel/e7520/raminit.c | 55 |
1 files changed, 22 insertions, 33 deletions
diff --git a/src/northbridge/intel/e7520/raminit.c b/src/northbridge/intel/e7520/raminit.c index 7a0661cbe3..e9a60f1e20 100644 --- a/src/northbridge/intel/e7520/raminit.c +++ b/src/northbridge/intel/e7520/raminit.c @@ -1128,9 +1128,8 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) write32(BAR+0x100, (0x83000000 | (i<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } @@ -1139,9 +1138,8 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) for(cs=0;cs<8;cs++) { write32(BAR + DCALCSR, (0x83000000 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } /* Precharg all banks */ @@ -1152,9 +1150,8 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) else /* DDR1 */ write32(BAR+DCALADDR, 0x00000000); write32(BAR+DCALCSR, (0x83000002 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } /* EMRS dll's enabled */ @@ -1166,9 +1163,8 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) else /* DDR1 */ write32(BAR+DCALADDR, 0x00000001); write32(BAR+DCALCSR, (0x83000003 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } /* MRS reset dll's */ do_delay(); @@ -1187,9 +1183,8 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) for(cs=0;cs<8;cs++) { write32(BAR+DCALADDR, mode_reg); write32(BAR+DCALCSR, (0x83000003 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } /* Precharg all banks */ @@ -1202,25 +1197,22 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) else /* DDR1 */ write32(BAR+DCALADDR, 0x00000000); write32(BAR+DCALCSR, (0x83000002 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } /* Do 2 refreshes */ do_delay(); for(cs=0;cs<8;cs++) { write32(BAR+DCALCSR, (0x83000001 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } do_delay(); for(cs=0;cs<8;cs++) { write32(BAR+DCALCSR, (0x83000001 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } do_delay(); /* for good luck do 6 more */ @@ -1253,9 +1245,8 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) for(cs=0;cs<8;cs++) { write32(BAR+DCALADDR, (mode_reg & ~(1<<24))); write32(BAR+DCALCSR, (0x83000003 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } /* Do only if DDR2 EMRS dll's enabled */ @@ -1264,9 +1255,8 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) for(cs=0;cs<8;cs++) { write32(BAR+DCALADDR, (0x0b940001)); write32(BAR+DCALCSR, (0x83000003 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } } @@ -1310,9 +1300,8 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) for(cs=0;cs<8;cs++) { write32(BAR+DCALCSR, (0x830831d8 | (cs<<20))); - data32 = read32(BAR+DCALCSR); - while(data32 & 0x80000000) - data32 = read32(BAR+DCALCSR); + do data32 = read32(BAR+DCALCSR); + while(data32 & 0x80000000); } /* Bring memory subsystem on line */ |