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| author | Felix Held <felix-coreboot@felixheld.de> | 2015-11-10 01:00:47 +0100 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2015-11-10 01:45:09 +0100 |
| commit | 69e89f249fc52a11bed569e7c1e9df8c7dc18d0e (patch) | |
| tree | 36385f5c0d2d4c76aa6f5b10f2362bb38414ae01 /src/mainboard | |
| parent | b65fd3e305eba74d0a7f1b5466b4910710d5e2f3 (diff) | |
| download | coreboot-69e89f249fc52a11bed569e7c1e9df8c7dc18d0e.tar.xz | |
asus/kgpe-d16: fix DIMMSetVoltages
The RAM voltages can be set per socket, which contains two nodes.
Only reset the allowed voltages per socket before processing a new socket and
not after every node.
Change-Id: Ia0e47676c7a3eebd56a17ab6de0e9690bf8cf703
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: http://review.coreboot.org/12297
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/asus/kgpe-d16/romstage.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/src/mainboard/asus/kgpe-d16/romstage.c b/src/mainboard/asus/kgpe-d16/romstage.c index a718c14754..3a682302bc 100644 --- a/src/mainboard/asus/kgpe-d16/romstage.c +++ b/src/mainboard/asus/kgpe-d16/romstage.c @@ -173,7 +173,7 @@ void DIMMSetVoltages(struct MCTStatStruc *pMCTstat, uint8_t node; uint8_t socket; uint8_t allowed_voltages = 0xf; /* The mainboard VRMs allow 1.15V, 1.25V, 1.35V, and 1.5V */ - uint8_t node_allowed_voltages; + uint8_t socket_allowed_voltages = allowed_voltages; uint32_t set_voltage = 0; if (get_option(&nvram, "minimum_memory_voltage") == CB_SUCCESS) { @@ -193,26 +193,31 @@ void DIMMSetVoltages(struct MCTStatStruc *pMCTstat, for (node = 0; node < MAX_NODES_SUPPORTED; node++) { socket = node / 2; - node_allowed_voltages = allowed_voltages; struct DCTStatStruc *pDCTstat; pDCTstat = pDCTstatA + node; + + /* reset socket_allowed_voltages before processing each socket */ + if (!(node % 2)) + socket_allowed_voltages = allowed_voltages; + if (pDCTstat->NodePresent) { for (dimm = 0; dimm < MAX_DIMMS_SUPPORTED; dimm++) { if (pDCTstat->DIMMValid & (1 << dimm)) { - node_allowed_voltages &= pDCTstat->DimmSupportedVoltages[dimm]; + socket_allowed_voltages &= pDCTstat->DimmSupportedVoltages[dimm]; } } } + /* set voltage per socket after processing last contained node */ if (pDCTstat->NodePresent && (node % 2)) { /* Set voltages */ - if (node_allowed_voltages & 0x8) { + if (socket_allowed_voltages & 0x8) { set_voltage = 0x8; set_ddr3_voltage(socket, 3); - } else if (node_allowed_voltages & 0x4) { + } else if (socket_allowed_voltages & 0x4) { set_voltage = 0x4; set_ddr3_voltage(socket, 2); - } else if (node_allowed_voltages & 0x2) { + } else if (socket_allowed_voltages & 0x2) { set_voltage = 0x2; set_ddr3_voltage(socket, 1); } else { |