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google/gru: Add support for Gru rev1

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This patch adds support for the Gru rev1 board. This board differs from
rev0 by no longer relying on the I2C backlight booster and requiring the
same ODT SDRAM settings as newer Kevin boards.

BRANCH=None
BUG=chrome-os-partner:55087
TEST=None

Change-Id: I3cb49bc644190f35300e6c618b2934956fa88e5b
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/364624
Reviewed-by: Douglas Anderson <dianders@chromium.org>
This commit is contained in:
Julius Werner 2016-07-29 16:15:04 -07:00 • committed by chrome-bot
parent 000c8b7220
commit 8de7bcc78c
2 changed files with 18 additions and 11 deletions
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2
src/mainboard/google/gru/mainboard.c
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@ -231,7 +231,7 @@ void mainboard_power_on_backlight(void)
{
gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU))
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU) && board_id() == 0)
enable_backlight_booster();
}

27
src/mainboard/google/gru/sdram_configs.c
View file

@ -51,18 +51,25 @@ static enum dram_speeds get_sdram_index(void)
id = board_id();
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_KEVIN)) {
if (id < 3)
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_KEVIN))
switch (id) {
case 0:
case 1:
case 2:
return dram_200MHz;
else if (id == 3)
case 3:
return dram_666MHz_NO_ODT;
else
return dram_800MHz;
}
else if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU))
return dram_800MHz_NO_ODT;
else
return dram_200MHz;
default:
return dram_800MHz;
}
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU))
switch (id) {
case 0:
return dram_800MHz_NO_ODT;
default:
return dram_800MHz;
}
}
const struct rk3399_sdram_params *get_sdram_config()