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authorJimmy Zhang <jimmzhang@nvidia.com>2014-07-23 17:42:45 -0700
committerMarc Jones <marc.jones@se-eng.com>2015-03-17 16:39:22 +0100
commitaa228d08e9b67bd36dd9952e9e0eadc8dbe3a8d9 (patch)
tree368360d13457e26490dd4895c7dbf22cb617b484 /src/soc/nvidia/tegra132/Kconfig
parent6ad6e3d84ab65357ce0cc64ad6ecff1cbd3fcd2c (diff)
downloadcoreboot-aa228d08e9b67bd36dd9952e9e0eadc8dbe3a8d9.tar.xz
Tegra132: Configure CPU clock
Since CCLK_BURST_POLICY and SUPER_CCLK_DIVIDER are not accesible from AVP, the first place that can change CPU clock is after CPU has been brought up, ie, ramstage in this case. CPU initial clock source is set to PLLP by MTS. BUG=None TEST=Norrin64 and A44 Original-Change-Id: I525bb2fa2be0afba52837bc0178950541535fd22 Original-Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com> Original-Reviewed-on: https://chromium-review.googlesource.com/209698 Original-Reviewed-by: Tom Warren <twarren@nvidia.com> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> (cherry picked from commit ba77e26508bb4a50a08d07ad15632ff1ba501bfa) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: Icf2458c491b4b3a553d3e01f88c6f25b25639e89 Reviewed-on: http://review.coreboot.org/8677 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/nvidia/tegra132/Kconfig')
-rw-r--r--src/soc/nvidia/tegra132/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra132/Kconfig b/src/soc/nvidia/tegra132/Kconfig
index 638fb65729..b746037f78 100644
--- a/src/soc/nvidia/tegra132/Kconfig
+++ b/src/soc/nvidia/tegra132/Kconfig
@@ -113,4 +113,8 @@ config BOOTROM_SDRAM_INIT
help
Use during Ryu LPDDR3 bringup
+# Default to 700MHz. This value is based on nv bootloader setting.
+config PLLX_KHZ
+ int
+ default 700000
endif