* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-#include <linux/module.h>
#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/platform_device.h>
#include <linux/interrupt.h>
+#include <linux/io.h>
#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
#include <linux/slab.h>
#include "omap_l3_noc.h"
void __iomem *l3_targ_stderr, *l3_targ_slvofslsb, *l3_targ_mstaddr;
char *target_name, *master_name = "UN IDENTIFIED";
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;
- for (i = 0; i < L3_MODULES; i++) {
+ for (i = 0; i < l3->num_modules; i++) {
/*
* Read the regerr register of the clock domain
* to determine the source
*/
base = l3->l3_base[i];
- err_reg = readl_relaxed(base + l3_flagmux[i] +
+ flag_mux = l3->l3_flagmux[i];
+ err_reg = readl_relaxed(base + flag_mux->offset +
L3_FLAGMUX_REGERR0 + (inttype << 3));
/* 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);
/* We DONOT expect err_src to go out of bounds */
BUG_ON(err_src > MAX_CLKDM_TARGETS);
- l3_targ_inst = &l3_targ[i][err_src];
- target_name = l3_targ_inst->name;
- l3_targ_base = base + l3_targ_inst->offset;
+ if (err_src < flag_mux->num_targ_data) {
+ l3_targ_inst = &flag_mux->l3_targ[err_src];
+ target_name = l3_targ_inst->name;
+ l3_targ_base = base + l3_targ_inst->offset;
+ } else {
+ target_name = L3_TARGET_NOT_SUPPORTED;
+ }
/*
* If we do not know of a register offset to decode
inttype ? "debug" : "application",
err_src, i, "(unclearable)");
- mask_reg = base + l3_flagmux[i] +
+ mask_reg = base + flag_mux->offset +
L3_FLAGMUX_MASK0 + (inttype << 3);
mask_val = readl_relaxed(mask_reg);
mask_val &= ~(1 << err_src);
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);
- masterid = readl_relaxed(l3_targ_mstaddr);
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; 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_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;
}
+static const struct of_device_id l3_noc_match[] = {
+ {.compatible = "ti,omap4-l3-noc", .data = &omap_l3_data},
+ {},
+};
+MODULE_DEVICE_TABLE(of, l3_noc_match);
+
static int omap_l3_probe(struct platform_device *pdev)
{
+ const struct of_device_id *of_id;
static struct omap_l3 *l3;
int ret, i;
+ of_id = of_match_device(l3_noc_match, &pdev->dev);
+ if (!of_id) {
+ dev_err(&pdev->dev, "OF data missing\n");
+ return -EINVAL;
+ }
+
l3 = devm_kzalloc(&pdev->dev, sizeof(*l3), GFP_KERNEL);
if (!l3)
return -ENOMEM;
+ memcpy(l3, of_id->data, sizeof(*l3));
l3->dev = &pdev->dev;
platform_set_drvdata(pdev, l3);
/* Get mem resources */
- for (i = 0; i < L3_MODULES; i++) {
+ for (i = 0; i < l3->num_modules; i++) {
struct resource *res = platform_get_resource(pdev,
IORESOURCE_MEM, i);
return ret;
}
-#if defined(CONFIG_OF)
-static const struct of_device_id l3_noc_match[] = {
- {.compatible = "ti,omap4-l3-noc", },
- {},
-};
-MODULE_DEVICE_TABLE(of, l3_noc_match);
-#else
-#define l3_noc_match NULL
-#endif
-
static struct platform_driver omap_l3_driver = {
.probe = omap_l3_probe,
.driver = {
.name = "omap_l3_noc",
.owner = THIS_MODULE,
- .of_match_table = l3_noc_match,
+ .of_match_table = of_match_ptr(l3_noc_match),
},
};
projects / cascardo / linux.git / blobdiff