[coreboot-gerrit] New patch to review for coreboot: amd/model_fxx rev.F: emit P-states when no intermediates exist

[Jonathan A. Kollasch]

Jonathan A. Kollasch ([e-mail]) 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 
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 
---
 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;