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OMAP: Print Initiator name for l3 custom error.

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The initiator id gets logged in the l3 target registers for custom error.
So print it to aid debugging.

Based on a internal patch by Devaraj Rangasamy <dev@ti.com>

Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
This commit is contained in:
sricharan
2011-09-07 17:25:16 +05:30
committed by Santosh Shilimkar
parent 6616aac66d
commit 551a9fa9b1
2 changed files with 50 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
arch/arm/mach-omap2/omap_l3_noc.c
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@@ -56,11 +56,11 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3)
{
struct omap4_l3 *l3 = _l3;
int inttype, i;
int inttype, i, k;
int err_src = 0;
u32 std_err_main, err_reg, clear;
u32 std_err_main, err_reg, clear, masterid;
void __iomem *base, *l3_targ_base;
char *source_name;
char *target_name, *master_name = "UN IDENTIFIED";
/* Get the Type of interrupt */
inttype = irq == l3->app_irq ? L3_APPLICATION_ERROR : L3_DEBUG_ERROR;
@@ -83,13 +83,15 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3)
l3_targ_base = base + *(l3_targ[i] + err_src);
std_err_main = __raw_readl(l3_targ_base +
L3_TARG_STDERRLOG_MAIN);
masterid = __raw_readl(l3_targ_base +
L3_TARG_STDERRLOG_MSTADDR);
switch (std_err_main & CUSTOM_ERROR) {
case STANDARD_ERROR:
source_name =
target_name =
l3_targ_inst_name[i][err_src];
WARN(true, "L3 standard error: SOURCE:%s at address 0x%x\n",
source_name,
WARN(true, "L3 standard error: TARGET:%s at address 0x%x\n",
target_name,
__raw_readl(l3_targ_base +
L3_TARG_STDERRLOG_SLVOFSLSB));
/* clear the std error log*/
@@ -99,11 +101,15 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3)
break;
case CUSTOM_ERROR:
source_name =
target_name =
l3_targ_inst_name[i][err_src];
WARN(true, "L3 custom error: SOURCE:%s\n",
source_name);
for (k = 0; k < NUM_OF_L3_MASTERS; k++) {
if (masterid == l3_masters[k].id)
master_name =
l3_masters[k].name;
}
WARN(true, "L3 custom error: MASTER:%s TARGET:%s\n",
master_name, target_name);
/* clear the std error log*/
clear = std_err_main | CLEAR_STDERR_LOG;
writel(clear, l3_targ_base +