Patchwork [15/21] PPC: E500: Add doorbell defines

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Submitter Alexander Graf
Date Feb. 2, 2012, 1:49 a.m.
Message ID <1328147384-10387-16-git-send-email-agraf@suse.de>
Download mbox | patch
Permalink /patch/139064/
State New
Headers show

Comments

Alexander Graf - Feb. 2, 2012, 1:49 a.m.
We're going to introduce doorbell instructions (called processor
control in the spec) soon. Add some defines for easier patch
readability later.

Signed-off-by: Alexander Graf <agraf@suse.de>
---
 target-ppc/cpu.h |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

Patch

diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index c7a6427..f9cea3d 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -858,6 +858,22 @@  enum {
 #define BOOKE206_MAX_TLBN      4
 
 /*****************************************************************************/
+/* Embedded.Processor Control */
+
+#define DBELL_TYPE_SHIFT               27
+#define DBELL_TYPE_MASK                (0x1f << DBELL_TYPE_SHIFT)
+#define DBELL_TYPE_DBELL               (0x00 << DBELL_TYPE_SHIFT)
+#define DBELL_TYPE_DBELL_CRIT          (0x01 << DBELL_TYPE_SHIFT)
+#define DBELL_TYPE_G_DBELL             (0x02 << DBELL_TYPE_SHIFT)
+#define DBELL_TYPE_G_DBELL_CRIT        (0x03 << DBELL_TYPE_SHIFT)
+#define DBELL_TYPE_G_DBELL_MC          (0x04 << DBELL_TYPE_SHIFT)
+
+#define DBELL_BRDCAST                  (1 << 26)
+#define DBELL_LPIDTAG_SHIFT            14
+#define DBELL_LPIDTAG_MASK             (0xfff << DBELL_LPIDTAG_SHIFT)
+#define DBELL_PIRTAG_MASK              0x3fff
+
+/*****************************************************************************/
 /* The whole PowerPC CPU context */
 #define NB_MMU_MODES 3