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| author | David Hendricks <dhendrix@chromium.org> | 2015-09-25 15:27:46 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-10-25 07:31:40 +0100 |
| commit | ccecd457df8c93531333bde66bd5d304970a9947 (patch) | |
| tree | 5a5e704a604f9b903513fff37a11a136bdd11cb5 | |
| parent | c8c099f1ea142250efa392234c6ba98058eba9b5 (diff) | |
| download | coreboot-ccecd457df8c93531333bde66bd5d304970a9947.tar.gz coreboot-ccecd457df8c93531333bde66bd5d304970a9947.tar.bz2 coreboot-ccecd457df8c93531333bde66bd5d304970a9947.zip | |
google/veyron_rialto: Reduce voltage and frequency in recovery mode
This applies CL:300617 to Rialto to down throttle further in
recovery mode.
BUG=chrome-os-partner:42054
BRANCH=none
TEST=Saw print statment in recovery mode with image.serial.bin,
device only got mildly warm after several minutes (not hot).
Change-Id: I08b6024d31c83c6bbd8c8d9d9a07adc9835e81fd
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 74eb9143fbe13df5f386185eab9e5ba9df27cadf
Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Change-Id: I9e57d826750cb523c115332fa13a6143bcff7449
Original-Reviewed-on: https://chromium-review.googlesource.com/302631
Reviewed-on: http://review.coreboot.org/12135
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
| -rw-r--r-- | src/mainboard/google/veyron_rialto/mainboard.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron_rialto/mainboard.c b/src/mainboard/google/veyron_rialto/mainboard.c index c2dde19a7244..35de7e0508c2 100644 --- a/src/mainboard/google/veyron_rialto/mainboard.c +++ b/src/mainboard/google/veyron_rialto/mainboard.c @@ -91,6 +91,14 @@ static void mainboard_init(device_t dev) elog_init(); elog_add_watchdog_reset(); elog_add_boot_reason(); + + /* If recovery mode is detected, reduce frequency and voltage to reduce + * heat in case machine is left unattended. chrome-os-partner:41201. */ + if (recovery_mode_enabled()) { + printk(BIOS_DEBUG, "Reducing APLL freq for recovery mode.\n"); + rkclk_configure_cpu(APLL_600_MHZ); + rk808_configure_buck(1, 900); + } } static void mainboard_enable(device_t dev) |