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authorEdward O'Callaghan <eocallaghan@alterapraxis.com>2014-07-08 01:53:24 +1000
committerEdward O'Callaghan <eocallaghan@alterapraxis.com>2014-07-11 08:39:07 +0200
commit7116ac803736345cc7c7b73ac435efa50c4cd2b0 (patch)
tree64b7190ef4e61ba2e17a88c50e92c076c3aa2d19 /src/northbridge/via/vx800
parentc805e62f9dd5e1b11906101845abd36b049e7dc3 (diff)
src: Make use of 'CEIL_DIV(a, b)' macro across tree
The objective here is to tighten coreboot up a bit by not repeating common helpers. This makes the code base more consistent and unified/tight. Change-Id: Ia163eae68b4a84a00ed118125e70308fab1cea0c Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/6215 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/northbridge/via/vx800')
-rw-r--r--src/northbridge/via/vx800/timing_setting.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/src/northbridge/via/vx800/timing_setting.c b/src/northbridge/via/vx800/timing_setting.c
index df903049b9..3bd45e40ae 100644
--- a/src/northbridge/via/vx800/timing_setting.c
+++ b/src/northbridge/via/vx800/timing_setting.c
@@ -117,8 +117,7 @@ void SetTrp(DRAM_SYS_ATTR * DramAttr)
/*Calculate clock,this value should be 2T,3T,4T,5T */
}
Tmp =
- (u16) ((Max * 100 + ((DramAttr->DramCyc) << 2) -
- 1) / ((DramAttr->DramCyc) << 2));
+ (u16) CEIL_DIV(Max * 100, (DramAttr->DramCyc) << 2);
PRINT_DEBUG_MEM("Trp = ");
PRINT_DEBUG_MEM_HEX16(Tmp);
PRINT_DEBUG_MEM("\r");
@@ -168,8 +167,7 @@ void SetTrcd(DRAM_SYS_ATTR * DramAttr)
}
/*Calculate clock,this value should be 2T,3T,4T,5T */
Tmp =
- (u16) ((Max * 100 + ((DramAttr->DramCyc) << 2) -
- 1) / ((DramAttr->DramCyc) << 2));
+ (u16) CEIL_DIV(Max * 100, (DramAttr->DramCyc) << 2);
PRINT_DEBUG_MEM("Trcd =");
PRINT_DEBUG_MEM_HEX16(Tmp);
PRINT_DEBUG_MEM("\r");
@@ -213,7 +211,7 @@ void SetTras(DRAM_SYS_ATTR * DramAttr)
}
/*Calculate clock,value range 5T-20T */
- Tmp = (u16) ((Max * 100 + DramAttr->DramCyc - 1) / (DramAttr->DramCyc));
+ Tmp = (u16) CEIL_DIV((Max * 100), DramAttr->DramCyc);
PRINT_DEBUG_MEM("Tras =");
PRINT_DEBUG_MEM_HEX16(Tmp);
PRINT_DEBUG_MEM("\r");
@@ -288,7 +286,7 @@ void SetTrfc(DRAM_SYS_ATTR * DramAttr)
}
/*Calculate clock,value range 8T-71T */
- Tmp = (u16) ((Max + DramAttr->DramCyc - 1) / (DramAttr->DramCyc));
+ Tmp = (u16) CEIL_DIV(Max, DramAttr->DramCyc);
PRINT_DEBUG_MEM("Trfc = ");
PRINT_DEBUG_MEM_HEX16(Tmp);
PRINT_DEBUG_MEM("\r");
@@ -334,8 +332,7 @@ void SetTrrd(DRAM_SYS_ATTR * DramAttr)
/*Calculate clock,this value should be 2T,3T,4T,5T */
Tmp =
- (u16) ((Max * 100 + ((DramAttr->DramCyc) << 2) -
- 1) / ((DramAttr->DramCyc) << 2));
+ (u16) CEIL_DIV(Max * 100, (DramAttr->DramCyc) << 2);
PRINT_DEBUG_MEM("Trrd =");
PRINT_DEBUG_MEM_HEX16(Tmp);
PRINT_DEBUG_MEM("\r");
@@ -378,7 +375,7 @@ void SetTwr(DRAM_SYS_ATTR * DramAttr)
}
}
/*Calculate clock */
- Tmp = (u16) ((Max * 100 + ((DramAttr->DramCyc) << 2) - 1) / ((DramAttr->DramCyc) << 2)); //this value should be 2T,3T,4T,5T
+ Tmp = (u16) CEIL_DIV((Max * 100), ((DramAttr->DramCyc) << 2)); //this value should be 2T,3T,4T,5T
PRINT_DEBUG_MEM("Twr = ");
PRINT_DEBUG_MEM_HEX16(Tmp);
PRINT_DEBUG_MEM("\r");
@@ -421,7 +418,7 @@ void SetTwtr(DRAM_SYS_ATTR * DramAttr)
}
}
/*Calculate clock */
- Tmp = (u16) ((Max * 100 + ((DramAttr->DramCyc) << 2) - 1) / ((DramAttr->DramCyc) << 2)); //this value should be 2T or 3T
+ Tmp = (u16) CEIL_DIV((Max * 100), ((DramAttr->DramCyc) << 2)); //this value should be 2T or 3T
PRINT_DEBUG_MEM("Twtr =");
PRINT_DEBUG_MEM_HEX16(Tmp);
@@ -463,7 +460,7 @@ void SetTrtp(DRAM_SYS_ATTR * DramAttr)
}
}
/*Calculate clock */
- Tmp = (u16) ((Max * 100 + ((DramAttr->DramCyc) << 2) - 1) / ((DramAttr->DramCyc) << 2)); //this value should be 2T or 3T
+ Tmp = (u16) CEIL_DIV((Max * 100), ((DramAttr->DramCyc) << 2)); //this value should be 2T or 3T
PRINT_DEBUG_MEM("Trtp =");
PRINT_DEBUG_MEM_HEX16(Tmp);