diff options
| -rw-r--r-- | drivers/bus/omap_l3_noc.c | 6 | ||||
| -rw-r--r-- | drivers/bus/omap_l3_noc.h | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/bus/omap_l3_noc.c b/drivers/bus/omap_l3_noc.c index 9524452ee12c..8a1926daacd7 100644 --- a/drivers/bus/omap_l3_noc.c +++ b/drivers/bus/omap_l3_noc.c @@ -127,7 +127,11 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) L3_TARG_STDERRLOG_MSTADDR; std_err_main = readl_relaxed(l3_targ_stderr); - masterid = readl_relaxed(l3_targ_mstaddr); + + /* STDERRLOG_MSTADDR Stores the NTTP master address. */ + masterid = (readl_relaxed(l3_targ_mstaddr) & + l3->mst_addr_mask) >> + __ffs(l3->mst_addr_mask); switch (std_err_main & CUSTOM_ERROR) { case STANDARD_ERROR: diff --git a/drivers/bus/omap_l3_noc.h b/drivers/bus/omap_l3_noc.h index 64869fe656e5..ba8692444665 100644 --- a/drivers/bus/omap_l3_noc.h +++ b/drivers/bus/omap_l3_noc.h @@ -84,6 +84,7 @@ struct l3_flagmux_data { * @l3_masters: array pointing to master data containing name and register * offset for the master. * @num_master: number of masters + * @mst_addr_mask: Mask representing MSTADDR information of NTTP packet * @debug_irq: irq number of the debug interrupt (populated runtime) * @app_irq: irq number of the application interrupt (populated runtime) */ @@ -96,6 +97,7 @@ struct omap_l3 { struct l3_masters_data *l3_masters; int num_masters; + u32 mst_addr_mask; int debug_irq; int app_irq; @@ -200,6 +202,8 @@ static const struct omap_l3 omap_l3_data = { .num_modules = ARRAY_SIZE(omap_l3_flagmux), .l3_masters = omap_l3_masters, .num_masters = ARRAY_SIZE(omap_l3_masters), + /* The 6 MSBs of register field used to distinguish initiator */ + .mst_addr_mask = 0xFC, }; #endif /* __OMAP_L3_NOC_H */ |