Jonathan A. Kollasch (jakllsch@kollasch.net) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10910
-gerrit
commit e793719ea6206d28132f1bafa5c7795ab9e1c65f Author: Jonathan A. Kollasch jakllsch@kollasch.net Date: Mon Jul 13 17:05:07 2015 -0500
amd/model_fxx rev.F: emit P-states when no intermediates exist
Relevant for systems having processors that only have two (the minimum and maximum) P-states, such as the Opteron 2210 at 1.0 and 1.8GHz.
Change-Id: Ic66fe6d10ce495c1bf21796cb7e1eb4e11e85283 Signed-off-by: Jonathan A. Kollasch jakllsch@kollasch.net --- src/cpu/amd/model_fxx/powernow_acpi.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/src/cpu/amd/model_fxx/powernow_acpi.c b/src/cpu/amd/model_fxx/powernow_acpi.c index f2aa596..ac505ee 100644 --- a/src/cpu/amd/model_fxx/powernow_acpi.c +++ b/src/cpu/amd/model_fxx/powernow_acpi.c @@ -194,11 +194,6 @@ static void pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) else PstateStep_coef = 2;
- if (IntPstateSup == 0) { - printk(BIOS_INFO, "No intermediate P-states are supported\n"); - goto write_pstates; - } - /* Get the multiplier of the fid frequency */ /* * Fid multiplier is always 100 revF and revG. @@ -233,6 +228,11 @@ static void pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) Pstate_num++; }
+ if (IntPstateSup == 0) { + printk(BIOS_SPEW, "No intermediate P-states are supported\n"); + goto nointpstatesup; + } + Cur_feq = Max_feq; Cur_fid = Max_fid; /* Construct P1 state */ @@ -313,6 +313,7 @@ static void pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) Pstate_num++; }
+nointpstatesup: /* Construct P[Min] State */ if (Max_fid == 0x2A && Max_vid != 0x0) { Pstate_fid[Pstate_num] = 0x2;