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authorFurquan Shaikh <furquan@google.com>2015-07-13 09:46:56 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-07-16 22:36:47 +0200
commite431ab9c84e4413a9d628e3f6a059cb201a7dc44 (patch)
tree7de4b80e9458a3ad4a730dcefa98b80b4e9cee39 /src/mainboard
parent0aa1d50be7731fb7010543c3a63c06e29d6bfbd8 (diff)
smaug: Increase drive strength for QSPI Pinmux
Change the drive strength for QSPI Pinmux to DRIVE_STRENGTH_2 as per recommendations from nVidia hardware engineers. BUG=chrome-os-partner:41877 BRANCH=None TEST=Compiles successfully and boots to kernel prompt Change-Id: I5a7b94acb57bbc21d277a49fd0a6b892638fc0ca Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 58d085e6acbcd0fd355b1c7efc10606312caf8e8 Original-Change-Id: I03dd288d2e335d40c83feaec7efbf10a7d3bf1e6 Original-Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/284959 Original-Tested-by: Furquan Shaikh <furquan@chromium.org> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org> Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org> Reviewed-on: http://review.coreboot.org/10945 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/smaug/bootblock.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/mainboard/google/smaug/bootblock.c b/src/mainboard/google/smaug/bootblock.c
index ee535c25b8..77c8441bb4 100644
--- a/src/mainboard/google/smaug/bootblock.c
+++ b/src/mainboard/google/smaug/bootblock.c
@@ -42,12 +42,16 @@ static const struct pad_config pmic_pads[] = {
/********************** SPI Flash *****************************/
static const struct pad_config spiflash_pads[] = {
/* QSPI fLash: mosi, miso, clk, cs0, hold, wp */
- PAD_CFG_SFIO(QSPI_IO0, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI),
- PAD_CFG_SFIO(QSPI_IO1, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI),
- PAD_CFG_SFIO(QSPI_SCK, PINMUX_INPUT_ENABLE, QSPI),
- PAD_CFG_SFIO(QSPI_CS_N, PINMUX_INPUT_ENABLE, QSPI),
- PAD_CFG_SFIO(QSPI_IO2, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI),
- PAD_CFG_SFIO(QSPI_IO3, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI),
+ PAD_CFG_SFIO(QSPI_IO0, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP |
+ PINMUX_DRIVE_2X, QSPI),
+ PAD_CFG_SFIO(QSPI_IO1, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP |
+ PINMUX_DRIVE_2X, QSPI),
+ PAD_CFG_SFIO(QSPI_SCK, PINMUX_INPUT_ENABLE | PINMUX_DRIVE_2X, QSPI),
+ PAD_CFG_SFIO(QSPI_CS_N, PINMUX_INPUT_ENABLE | PINMUX_DRIVE_2X, QSPI),
+ PAD_CFG_SFIO(QSPI_IO2, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP |
+ PINMUX_DRIVE_2X, QSPI),
+ PAD_CFG_SFIO(QSPI_IO3, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP |
+ PINMUX_DRIVE_2X, QSPI),
};
/********************* TPM ************************************/