diff options
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/omap_l3_noc.c | 72 | ||||
| -rw-r--r-- | drivers/bus/omap_l3_noc.h | 3 |
2 files changed, 47 insertions, 28 deletions
diff --git a/drivers/bus/omap_l3_noc.c b/drivers/bus/omap_l3_noc.c index 8a1926daacd7..42e411457494 100644 --- a/drivers/bus/omap_l3_noc.c +++ b/drivers/bus/omap_l3_noc.c @@ -62,6 +62,8 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) struct l3_target_data *l3_targ_inst; struct l3_flagmux_data *flag_mux; struct l3_masters_data *master; + char *err_description; + char err_string[30] = { 0 }; /* Get the Type of interrupt */ inttype = irq == l3->app_irq ? L3_APPLICATION_ERROR : L3_DEBUG_ERROR; @@ -78,6 +80,8 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) /* Get the corresponding error and analyse */ if (err_reg) { + bool std_err = true; + /* Identify the source from control status register */ err_src = __ffs(err_reg); @@ -123,47 +127,61 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) l3_targ_stderr = l3_targ_base + L3_TARG_STDERRLOG_MAIN; l3_targ_slvofslsb = l3_targ_base + L3_TARG_STDERRLOG_SLVOFSLSB; - l3_targ_mstaddr = l3_targ_base + - L3_TARG_STDERRLOG_MSTADDR; std_err_main = readl_relaxed(l3_targ_stderr); - /* 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: - WARN(true, "L3 standard error: TARGET:%s at address 0x%x\n", - target_name, - readl_relaxed(l3_targ_slvofslsb)); - /* clear the std error log*/ - clear = std_err_main | CLEAR_STDERR_LOG; - writel_relaxed(clear, l3_targ_stderr); + err_description = "Standard"; + snprintf(err_string, sizeof(err_string), + ": At Address: 0x%08X ", + readl_relaxed(l3_targ_slvofslsb)); + + l3_targ_mstaddr = l3_targ_base + + L3_TARG_STDERRLOG_MSTADDR; break; case CUSTOM_ERROR: - for (k = 0, master = l3->l3_masters; - k < l3->num_masters; k++, master++) { - if (masterid == master->id) { - master_name = master->name; - break; - } - } - 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_relaxed(clear, l3_targ_stderr); + err_description = "Custom"; + + l3_targ_mstaddr = l3_targ_base + + L3_TARG_STDERRLOG_CINFO_MSTADDR; break; default: + std_err = false; /* Nothing to be handled here as of now */ break; } - /* Error found so break the for loop */ - break; + + if (!std_err) + break; + + /* STDERRLOG_MSTADDR Stores the NTTP master address. */ + masterid = (readl_relaxed(l3_targ_mstaddr) & + l3->mst_addr_mask) >> + __ffs(l3->mst_addr_mask); + + for (k = 0, master = l3->l3_masters; + k < l3->num_masters; k++, master++) { + if (masterid == master->id) { + master_name = master->name; + break; + } + } + + WARN(true, + "%s:L3 %s Error: MASTER %s TARGET %s%s\n", + dev_name(l3->dev), + err_description, + master_name, target_name, + err_string); + /* clear the std error log*/ + clear = std_err_main | CLEAR_STDERR_LOG; + writel_relaxed(clear, l3_targ_stderr); + + /* Error found so break the for loop */ + break; } } return IRQ_HANDLED; diff --git a/drivers/bus/omap_l3_noc.h b/drivers/bus/omap_l3_noc.h index ba8692444665..ea2f51c984f1 100644 --- a/drivers/bus/omap_l3_noc.h +++ b/drivers/bus/omap_l3_noc.h @@ -29,8 +29,9 @@ /* L3 TARG register offsets */ #define L3_TARG_STDERRLOG_MAIN 0x48 +#define L3_TARG_STDERRLOG_MSTADDR 0x50 #define L3_TARG_STDERRLOG_SLVOFSLSB 0x5c -#define L3_TARG_STDERRLOG_MSTADDR 0x68 +#define L3_TARG_STDERRLOG_CINFO_MSTADDR 0x68 #define L3_FLAGMUX_REGERR0 0xc #define L3_FLAGMUX_MASK0 0x8 |