From fe4795e66b515c2523df09a8800ecac9a3f63557 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Thu, 14 Nov 2013 15:08:47 -0800 Subject: [PATCH] nyan: Increase the CPU voltage to 1.2V. 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 Reviewed-on: https://chromium-review.googlesource.com/176906 Reviewed-by: Julius Werner Tested-by: Gabe Black Commit-Queue: Gabe Black --- src/mainboard/google/nyan/pmic.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/mainboard/google/nyan/pmic.c b/src/mainboard/google/nyan/pmic.c index a625f550a0..6c6a8fc1d5 100644 --- a/src/mainboard/google/nyan/pmic.c +++ b/src/mainboard/google/nyan/pmic.c @@ -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);