[coreboot-gerrit] Patch merged into coreboot/master: spi: Add a way to show SPI transfer speed for reads
gerrit at coreboot.org
gerrit at coreboot.org
Thu Oct 6 21:49:28 CEST 2016
the following patch was just integrated into master:
commit aa58a9eebfc1a60ccc614ef6a064cf0ffce1c114
Author: Simon Glass <sjg at chromium.org>
Date: Sat Aug 27 15:03:02 2016 -0600
spi: Add a way to show SPI transfer speed for reads
SPI read speed directly impacts boot time and we do quite a lot of
reading.
Add a way to easily find out the speed of SPI flash reads within
coreboot.
Write speed is less important since there are very few writes and they
are small.
BUG=chrome-os-partner:56556
BRANCH=none
TEST=run on gru with SPI_SPEED_DEBUG set to 1. See the output messages:
read SPI 627d4 7d73: 18455 us, 1740 KB/s, 13.920 Mbps
Change-Id: Id3814bd2b7bd045cdfcc67eb1fabc861bf9ed3b2
Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
Original-Commit-Id: 82cb93f6be47efce3b0a3843bab89d2381baef89
Original-Change-Id: Iec66f5b8e3ad62f14d836a538dc7801e4ca669e7
Original-Signed-off-by: Simon Glass <sjg at chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/376944
Original-Commit-Ready: Julius Werner <jwerner at chromium.org>
Original-Tested-by: Simon Glass <sjg at google.com>
Original-Reviewed-by: Julius Werner <jwerner at chromium.org>
Reviewed-on: https://review.coreboot.org/16701
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth at google.com>
See https://review.coreboot.org/16701 for details.
-gerrit
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