powerpc/qe: set IReady in QE Microcode Upload

QE Microcode Initialization using qe_upload_microcode() does not work on
P1021 if the IRAM-Ready register is not set after the microcode upload. Add
a definition for the "I-RAM Ready" register and sets it upon microcode
upload completion.

Signed-off-by: Ioannis Kokkoris <ioannis.kokoris@siemens-enterprise.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
index 818e763f8265..b04367529729 100644
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ b/arch/powerpc/sysdev/qe_lib/qe.c
@@ -395,6 +395,9 @@ static void qe_upload_microcode(const void *base,
 
         for (i = 0; i < be32_to_cpu(ucode->count); i++)
                 out_be32(&qe_immr->iram.idata, be32_to_cpu(code[i]));
+        
+        /* Set I-RAM Ready Register */
+        out_be32(&qe_immr->iram.iready, be32_to_cpu(QE_IRAM_READY));
 }
 
 /*