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google/gru: Add support for Gru rev1 

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: I1428760540a0aaaa0c02c6cb5b0981294ba4df33
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 8de7bcc78c6c48c251c85185e238cea7812f7a28
Original-Change-Id: I3cb49bc644190f35300e6c618b2934956fa88e5b
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/364624
Original-Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-on: https://review.coreboot.org/16028
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Julius Werner 2016-07-29 16:15:04 -07:00 committed by Martin Roth
parent 47ca65a791
commit 5e6771b1cb
2 changed files with 18 additions and 11 deletions
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2
src/mainboard/google/gru/mainboard.c
View File

@ -231,7 +231,7 @@ void mainboard_power_on_backlight(void)
{ {
gpio_output(GPIO(1, C, 1), 1); /* BL_EN */ gpio_output(GPIO(1, C, 1), 1); /* BL_EN */
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU)) if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU) && board_id() == 0)
enable_backlight_booster(); 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(); id = board_id();
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_KEVIN)) { if (IS_ENABLED(CONFIG_BOARD_GOOGLE_KEVIN))
if (id < 3) switch (id) {
case 0:
case 1:
case 2:
return dram_200MHz; return dram_200MHz;
else if (id == 3) case 3:
return dram_666MHz_NO_ODT; return dram_666MHz_NO_ODT;
else default:
return dram_800MHz; return dram_800MHz;
} }
else if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU))
return dram_800MHz_NO_ODT; if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU))
else switch (id) {
return dram_200MHz; case 0:
return dram_800MHz_NO_ODT;
default:
return dram_800MHz;
}
} }
const struct rk3399_sdram_params *get_sdram_config() const struct rk3399_sdram_params *get_sdram_config()