diff options
| author | Edward O'Callaghan <eocallaghan@alterapraxis.com> | 2014-07-08 01:53:24 +1000 |
|---|---|---|
| committer | Edward O'Callaghan <eocallaghan@alterapraxis.com> | 2014-07-11 08:39:07 +0200 |
| commit | 7116ac803736345cc7c7b73ac435efa50c4cd2b0 (patch) | |
| tree | 64b7190ef4e61ba2e17a88c50e92c076c3aa2d19 /src/northbridge/via/vx900 | |
| parent | c805e62f9dd5e1b11906101845abd36b049e7dc3 (diff) | |
| download | coreboot-7116ac803736345cc7c7b73ac435efa50c4cd2b0.tar.xz | |
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/vx900')
| -rw-r--r-- | src/northbridge/via/vx900/raminit_ddr3.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/northbridge/via/vx900/raminit_ddr3.c b/src/northbridge/via/vx900/raminit_ddr3.c index a69d6999c8..3979466bf0 100644 --- a/src/northbridge/via/vx900/raminit_ddr3.c +++ b/src/northbridge/via/vx900/raminit_ddr3.c @@ -575,7 +575,7 @@ static void vx900_dram_timing(ramctr_timing * ctrl) printram("Selected DRAM frequency: %u MHz\n", val32); /* Find CAS and CWL latencies */ - val = (ctrl->tAA + ctrl->tCK - 1) / ctrl->tCK; + val = CEIL_DIV(ctrl->tAA, ctrl->tCK); printram("Minimum CAS latency : %uT\n", val); /* Find lowest supported CAS latency that satisfies the minimum value */ while (!((ctrl->cas_supported >> (val - 4)) & 1) @@ -594,30 +594,30 @@ static void vx900_dram_timing(ramctr_timing * ctrl) pci_write_config8(MCU, 0xc0, reg8); /* Find tRCD */ - val = (ctrl->tRCD + ctrl->tCK - 1) / ctrl->tCK; + val = CEIL_DIV(ctrl->tRCD, ctrl->tCK); printram("Selected tRCD : %uT\n", val); reg8 = ((val - 4) & 0x7) << 4; /* Find tRP */ - val = (ctrl->tRP + ctrl->tCK - 1) / ctrl->tCK; + val = CEIL_DIV(ctrl->tRP, ctrl->tCK); printram("Selected tRP : %uT\n", val); reg8 |= ((val - 4) & 0x7); pci_write_config8(MCU, 0xc1, reg8); /* Find tRAS */ - val = (ctrl->tRAS + ctrl->tCK - 1) / ctrl->tCK; + val = CEIL_DIV(ctrl->tRAS, ctrl->tCK); printram("Selected tRAS : %uT\n", val); reg8 = ((val - 15) & 0x7) << 4; /* Find tWR */ - ctrl->WR = (ctrl->tWR + ctrl->tCK - 1) / ctrl->tCK; + ctrl->WR = CEIL_DIV(ctrl->tWR, ctrl->tCK); printram("Selected tWR : %uT\n", ctrl->WR); reg8 |= ((ctrl->WR - 4) & 0x7); pci_write_config8(MCU, 0xc2, reg8); /* Find tFAW */ - tFAW = (ctrl->tFAW + ctrl->tCK - 1) / ctrl->tCK; + tFAW = CEIL_DIV(ctrl->tFAW, ctrl->tCK); printram("Selected tFAW : %uT\n", tFAW); /* Find tRRD */ - tRRD = (ctrl->tRRD + ctrl->tCK - 1) / ctrl->tCK; + tRRD = CEIL_DIV(ctrl->tRRD, ctrl->tCK); printram("Selected tRRD : %uT\n", tRRD); val = tFAW - 4 * tRRD; /* number of cycles above 4*tRRD */ reg8 = ((val - 0) & 0x7) << 4; @@ -625,11 +625,11 @@ static void vx900_dram_timing(ramctr_timing * ctrl) pci_write_config8(MCU, 0xc3, reg8); /* Find tRTP */ - val = (ctrl->tRTP + ctrl->tCK - 1) / ctrl->tCK; + val = CEIL_DIV(ctrl->tRTP, ctrl->tCK); printram("Selected tRTP : %uT\n", val); reg8 = ((val & 0x3) << 4); /* Find tWTR */ - val = (ctrl->tWTR + ctrl->tCK - 1) / ctrl->tCK; + val = CEIL_DIV(ctrl->tWTR, ctrl->tCK); printram("Selected tWTR : %uT\n", val); reg8 |= ((val - 2) & 0x7); pci_mod_config8(MCU, 0xc4, 0x3f, reg8); @@ -642,7 +642,7 @@ static void vx900_dram_timing(ramctr_timing * ctrl) * Since we previously set RxC4[7] */ reg8 = pci_read_config8(MCU, 0xc5); - val = (ctrl->tRFC + ctrl->tCK - 1) / ctrl->tCK; + val = CEIL_DIV(ctrl->tRFC, ctrl->tCK); printram("Minimum tRFC : %uT\n", val); if (val < 30) { val = 0; @@ -655,7 +655,7 @@ static void vx900_dram_timing(ramctr_timing * ctrl) pci_write_config8(MCU, 0xc5, reg8); /* Where does this go??? */ - val = (ctrl->tRC + ctrl->tCK - 1) / ctrl->tCK; + val = CEIL_DIV(ctrl->tRC, ctrl->tCK); printram("Required tRC : %uT\n", val); } |