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author | Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com> | 2018-04-14 12:44:18 +0530 |
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committer | Stewart Smith <stewart@linux.ibm.com> | 2018-05-09 16:34:59 -0500 |
commit | 04a50cf041c9af2ecdef94f85c7cc419739ca261 (patch) | |
tree | 2d55c64084a29e9694b36d44c2285314742221df /hw/slw.c | |
parent | 6790a941cc05743feceab628af39d6c9c900c11e (diff) | |
download | skiboot-04a50cf041c9af2ecdef94f85c7cc419739ca261.zip skiboot-04a50cf041c9af2ecdef94f85c7cc419739ca261.tar.gz skiboot-04a50cf041c9af2ecdef94f85c7cc419739ca261.tar.bz2 |
Update default stop-state-disable mask to cut only stop11
Stability improvements in microcode for stop4/stop5 are
available in upstream hcode images. Stop4 and stop5 can
be safely enabled by default.
Use ~0xE0000000 to cut all but stop0,1,2 in case there
are any issues with stop4/5.
example:
nvram -p ibm,skiboot --update-config opal-stop-state-disable-mask=0x1FFFFFFF
Signed-off-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
Diffstat (limited to 'hw/slw.c')
-rw-r--r-- | hw/slw.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -851,7 +851,7 @@ void add_cpu_idle_state_properties(void) u64 *pm_ctrl_reg_val_buf; u64 *pm_ctrl_reg_mask_buf; u32 supported_states_mask; - u32 opal_disabled_states_mask = ~0xE0000000; /* all but stop0,1,2 */ + u32 opal_disabled_states_mask = ~0xEC000000; /* all but stop11 */ const char* nvram_disable_str; u32 nvram_disabled_states_mask = 0x00; u32 stop_levels; |