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authorTang Yuantian <yuantian.tang@freescale.com>2014-04-17 15:33:46 +0800
committerYork Sun <yorksun@freescale.com>2014-04-22 17:58:49 -0700
commitaade20046b7ab5bd9b2afe84ccb31f0adf0c5e1e (patch)
tree238878efdee4574890334657a984c1c2d564fe91 /README
parent5aef4c86f3629b937cee159c3d44c0d0e9762a42 (diff)
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mpc85xx/t104x: Add deep sleep framework support
When T104x soc wakes up from deep sleep, control is passed to the primary core that starts executing uboot. After re-initialized some IP blocks, like DDRC, kernel will take responsibility to continue to restore environment it leaves before. Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'README')
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1 files changed, 4 insertions, 0 deletions
diff --git a/README b/README
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--- a/README
+++ b/README
@@ -431,6 +431,10 @@ The following options need to be configured:
This CONFIG is defined when the CPC is configured as SRAM at the
time of U-boot entry and is required to be re-initialized.
+ CONFIG_DEEP_SLEEP
+ Inidcates this SoC supports deep sleep feature. If deep sleep is
+ supported, core will start to execute uboot when wakes up.
+
- Generic CPU options:
CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN