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author | Duncan Laurie <dlaurie@chromium.org> | 2013-08-08 15:31:51 -0700 |
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committer | Patrick Georgi <patrick@georgi-clan.de> | 2013-12-21 12:02:24 +0100 |
commit | 0dc0d1383df258bbb18dec18e0bf7e00dfda1651 (patch) | |
tree | c0aa550e7d53e2ecff0a836f51aa8d66b83b1b46 /src/southbridge/intel/lynxpoint/me.h | |
parent | 2017b4a44fcb8dcf01852d00391d71be5c041523 (diff) | |
download | coreboot-0dc0d1383df258bbb18dec18e0bf7e00dfda1651.tar.xz |
lynxpoint: me: Support ICC clock enables message
This message allows unused clocks to be disabled based on a
devicetree setting in each mainboard.
Change-Id: Ib1988cab3748490cf24028752562c64ccbce2054
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/65250
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4450
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/southbridge/intel/lynxpoint/me.h')
-rw-r--r-- | src/southbridge/intel/lynxpoint/me.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/me.h b/src/southbridge/intel/lynxpoint/me.h index d919107609..a72778b88f 100644 --- a/src/southbridge/intel/lynxpoint/me.h +++ b/src/southbridge/intel/lynxpoint/me.h @@ -286,6 +286,24 @@ struct me_fw_version { u16 recovery_hot_fix; } __attribute__ ((packed)); +/* ICC Messages */ +#define ICC_SET_CLOCK_ENABLES 0x3 +#define ICC_API_VERSION_LYNXPOINT 0x00030000 + +struct icc_header { + u32 api_version; + u32 icc_command; + u32 icc_status; + u32 length; + u32 reserved; +} __attribute__ ((packed)); + +struct icc_clock_enables_msg { + u32 clock_enables; + u32 clock_mask; + u32 no_response: 1; + u32 reserved: 31; +} __attribute__ ((packed)); #define HECI_EOP_STATUS_SUCCESS 0x0 #define HECI_EOP_PERFORM_GLOBAL_RESET 0x1 |