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

nyan: Increase the CPU voltage to 1.2V.

Browse source 
This voltage is recommended for the CPU when running at 1.8GHz.

BUG=None
TEST=Built and partially booted on the new form factor nyan.
BRANCH=None

Change-Id: I4ae4b16179d1be241119d85986823ad52af4fb70
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/176906
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
This commit is contained in:
Gabe Black 2013-11-14 15:08:47 -08:00 • committed by chrome-internal-fetch
commit fe4795e66b
1 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/mainboard/google/nyan/pmic.c
View file

@ -43,11 +43,11 @@ void pmic_init(unsigned bus)
* Don't write LDCONTROL - it's already 0xFF, i.e. all LDOs enabled.
*/
/* First set VDD_CPU to 1.0V, then enable the VDD_CPU regulator. */
/* First set VDD_CPU to 1.2V, then enable the VDD_CPU regulator. */
if (CONFIG_NYAN_IN_A_PIXEL)
pmic_write_reg(bus, 0x00, 0x28);
else
pmic_write_reg(bus, 0x00, 0x3c);
else
pmic_write_reg(bus, 0x00, 0x50);
/* First set VDD_GPU to 1.0V, then enable the VDD_GPU regulator. */
pmic_write_reg(bus, 0x06, 0x28);