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nyan_big: use RAM_CODE[3:2] for ram code

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Cherry-picking https://chromium-review.googlesource.com/183833 for nyan_big.

BootROM uses RAM_CODE[3:2] value as index to retrieve boot device
array in BCT to reconfigure device. Since there will be one kind
of boot device, we can reuse RAM_CODE[3:2] in conjunction with
RAM_CODE[1:0] to select up to 16 RAM parameters. To support this
change without leading BootROM to read wrong boot device parameters,
we need to fill up boot device array.

BUG=none
TEST=emerge-nyan chromeos-coreboot-nyan # boots successfully.

Change-Id: I0eb37ecf65ca041fe2f10c426b8dfbaafee24b2d
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/184076
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Hung-Te Lin 2014-01-28 15:44:05 +08:00 • committed by chrome-internal-fetch
commit 35e5c5e473
1 changed files with 18 additions and 0 deletions
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18
src/mainboard/google/nyan_big/bct/spi.cfg
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@ -14,3 +14,21 @@ DeviceParam[0].SpiFlashParams.ClockDivider = 0x16;
DeviceParam[0].SpiFlashParams.ClockSource = NvBootSpiClockSource_PllPOut0;
DeviceParam[0].SpiFlashParams.PageSize2kor16k = 0;
DevType[1] = NvBootDevType_Spi;
DeviceParam[1].SpiFlashParams.ReadCommandTypeFast = NV_FALSE;
DeviceParam[1].SpiFlashParams.ClockDivider = 0x16;
DeviceParam[1].SpiFlashParams.ClockSource = NvBootSpiClockSource_PllPOut0;
DeviceParam[1].SpiFlashParams.PageSize2kor16k = 0;
DevType[2] = NvBootDevType_Spi;
DeviceParam[2].SpiFlashParams.ReadCommandTypeFast = NV_FALSE;
DeviceParam[2].SpiFlashParams.ClockDivider = 0x16;
DeviceParam[2].SpiFlashParams.ClockSource = NvBootSpiClockSource_PllPOut0;
DeviceParam[2].SpiFlashParams.PageSize2kor16k = 0;
DevType[3] = NvBootDevType_Spi;
DeviceParam[3].SpiFlashParams.ReadCommandTypeFast = NV_FALSE;
DeviceParam[3].SpiFlashParams.ClockDivider = 0x16;
DeviceParam[3].SpiFlashParams.ClockSource = NvBootSpiClockSource_PllPOut0;
DeviceParam[3].SpiFlashParams.PageSize2kor16k = 0;