[coreboot-gerrit] New patch to review for coreboot: 0faea77 pinky: Force delay for EC SPI transfers

[Aaron Durbin (adurbin@google.com)]

Aaron Durbin (adurbin at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9238

-gerrit

commit 0faea77485573bfdd7e0830fa01f72be9563efec
Author: David Hendricks <dhendrix at chromium.org>
Date:   Sat Sep 27 20:10:41 2014 -0700

    pinky: Force delay for EC SPI transfers
    
    This gives the EC some time to wake-up between asserting /CS and
    starting a transfer.
    
    BUG=chrome-os-partner:32223
    BRANCH=none
    TEST=verified ~100us delay using logic analyzer on Pinky
    
    Original-Change-Id: I9874e65abd405874c43c594d8caeeff9e1300455
    Original-Signed-off-by: David Hendricks <dhendrix at chromium.org>
    Original-Reviewed-on: https://chromium-review.googlesource.com/220243
    Original-Reviewed-by: Julius Werner <jwerner at chromium.org>
    Original-Reviewed-by: Alexandru Stan <amstan at chromium.org>
    Original-Commit-Queue: Alexandru Stan <amstan at chromium.org>
    Original-Tested-by: Alexandru Stan <amstan at chromium.org>
    
    Change-Id: I103542517d3ebd7da4f0394b3ae4f68f58403b1e
    (cherry picked from commit bdb67fe489b7cbea7a26492fa0536ca452434052)
    Signed-off-by: Aaron Durbin <adurbin at chromium.org>
---
 src/mainboard/google/veyron_pinky/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mainboard/google/veyron_pinky/Kconfig b/src/mainboard/google/veyron_pinky/Kconfig
index 07b31ff..7f981b4 100644
--- a/src/mainboard/google/veyron_pinky/Kconfig
+++ b/src/mainboard/google/veyron_pinky/Kconfig
@@ -49,6 +49,10 @@ config EC_GOOGLE_CHROMEEC_SPI_BUS
 	hex
 	default 0
 
+config EC_GOOGLE_CHROMEEC_SPI_WAKEUP_DELAY_US
+	int
+	default 100
+
 config VBOOT_RAMSTAGE_INDEX
 	hex
 	default 0x3