From e431ab9c84e4413a9d628e3f6a059cb201a7dc44 Mon Sep 17 00:00:00 2001 From: Furquan Shaikh Date: Mon, 13 Jul 2015 09:46:56 -0700 Subject: 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 Original-Commit-Id: 58d085e6acbcd0fd355b1c7efc10606312caf8e8 Original-Change-Id: I03dd288d2e335d40c83feaec7efbf10a7d3bf1e6 Original-Signed-off-by: Furquan Shaikh Original-Reviewed-on: https://chromium-review.googlesource.com/284959 Original-Tested-by: Furquan Shaikh Original-Reviewed-by: Aaron Durbin Original-Commit-Queue: Furquan Shaikh Original-Trybot-Ready: Furquan Shaikh Reviewed-on: http://review.coreboot.org/10945 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/mainboard/google/smaug/bootblock.c | 16 ++++++++++------ 1 file 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 ************************************/ -- cgit v1.2.3