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authorNishanth Menon <nm@ti.com>2014-04-16 15:47:28 -0500
committerNishanth Menon <nm@ti.com>2014-05-05 14:34:09 -0500
commit7f9de02d603c439890c4c94631a326c73e2b5b4c (patch)
tree5b25fc0501b25a98cd7d81d6ad02db1f6ae6df79 /drivers/bus/omap_l3_noc.h
parentbus: omap_l3_noc: ignore masked out unclearable targets (diff)
downloadlinux-dev-7f9de02d603c439890c4c94631a326c73e2b5b4c.tar.xz
linux-dev-7f9de02d603c439890c4c94631a326c73e2b5b4c.zip
bus: omap_l3_noc: add information about the type of operation
Today we get error such as L3 Custom Error: MASTER MPU TARGET L4PER2 But since the actual instruction triggerring the error Vs the point at which we report error may not be aligned, it makes sense to try and provide additional information - example the type of operation that was attempted to being performed can help narrow the debug down further. This helps provide log such as: L3 Custom Error: MASTER MPU TARGET L4PER2 (Read) Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Tested-by: Darren Etheridge <detheridge@ti.com> Tested-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'drivers/bus/omap_l3_noc.h')
-rw-r--r--drivers/bus/omap_l3_noc.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/bus/omap_l3_noc.h b/drivers/bus/omap_l3_noc.h
index 4e18307470f6..6670fd98ce7c 100644
--- a/drivers/bus/omap_l3_noc.h
+++ b/drivers/bus/omap_l3_noc.h
@@ -29,14 +29,27 @@
/* L3 TARG register offsets */
#define L3_TARG_STDERRLOG_MAIN 0x48
+#define L3_TARG_STDERRLOG_HDR 0x4c
#define L3_TARG_STDERRLOG_MSTADDR 0x50
#define L3_TARG_STDERRLOG_SLVOFSLSB 0x5c
#define L3_TARG_STDERRLOG_CINFO_MSTADDR 0x68
+#define L3_TARG_STDERRLOG_CINFO_OPCODE 0x6c
#define L3_FLAGMUX_REGERR0 0xc
#define L3_FLAGMUX_MASK0 0x8
#define L3_TARGET_NOT_SUPPORTED NULL
+static const char * const l3_transaction_type[] = {
+ /* 0 0 0 */ "Idle",
+ /* 0 0 1 */ "Write",
+ /* 0 1 0 */ "Read",
+ /* 0 1 1 */ "ReadEx",
+ /* 1 0 0 */ "Read Link",
+ /* 1 0 1 */ "Write Non-Posted",
+ /* 1 1 0 */ "Write Conditional",
+ /* 1 1 1 */ "Write Broadcast",
+};
+
/**
* struct l3_masters_data - L3 Master information
* @id: ID of the L3 Master