erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

rush/ryu: restore full-speed clocks to TPM I2C and EC SPI

Browse source 
Now that there's a working udelay() in tegra132, upclock
CAM_I2C and SPI1 to the same speeds as used on Nyan.

BUG=chrome-os-partner:30998
BRANCH=rush_ryu
TEST=Built Rush and tested, no nack errors seen.

Change-Id: I58fd03ed3512c2498c793cfe30b0c302e4b0e3d4
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-on: https://chromium-review.googlesource.com/211043
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Tom Warren 2014-08-05 15:05:19 -07:00 • committed by chrome-internal-fetch
commit 859c0d4fde
2 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/mainboard/google/rush/romstage.c
View file

@ -43,11 +43,11 @@ static void configure_clocks(void)
{
/* EC on SPI1 controller. */
clock_enable_clear_reset(0, CLK_H_SBC1, 0, 0, 0, 0);
clock_configure_source(sbc1, CLK_M, 500);
clock_configure_source(sbc1, CLK_M, 3000);
/* TPM on I2C3 controller */
clock_enable_clear_reset(0, 0, CLK_U_I2C3, 0, 0, 0);
clock_configure_i2c_scl_freq(i2c3, PLLP, 19);
clock_configure_i2c_scl_freq(i2c3, PLLP, 400);
}
void romstage_mainboard_init(void)

2
src/mainboard/google/rush_ryu/romstage.c
View file

@ -41,7 +41,7 @@ static void configure_clocks(void)
{
/* TPM on I2C3 */
clock_enable_clear_reset(0, 0, CLK_U_I2C3, 0, 0, 0);
clock_configure_i2c_scl_freq(i2c3, PLLP, 19);
clock_configure_i2c_scl_freq(i2c3, PLLP, 400);
/* EC on I2C2 */
clock_enable_clear_reset(0, CLK_H_I2C2, 0, 0, 0, 0);