mb/google/eve: Do not limit memory speed on new SKU 5 boards
Board changes in rev6+ have a fix to VDDQ that should fix the issue that was being seen with this SKU, so only lower the memory speed on older boards. BUG=b:37172778 TEST=memory stress testing on rev6 boards Change-Id: I6d6fe730cabd74af23eab3f02feef9da01a35fd4 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/20429 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
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@ -14,6 +14,7 @@
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* GNU General Public License for more details.
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*/
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#include <boardid.h>
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#include <string.h>
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#include <stddef.h>
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#include <fsp/soc_binding.h>
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@ -49,7 +50,7 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
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mem_cfg->MemorySpdDataLen = SPD_LEN;
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/* Limit K4EBE304EB-EGCF memory to 1600MHz for stability */
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if (mainboard_get_spd_index() == 5) {
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if (board_id() < 6 && mainboard_get_spd_index() == 5) {
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printk(BIOS_WARNING, "Limiting memory to 1600MHz\n");
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mem_cfg->DdrFreqLimit = 1600;
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}
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