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-rw-r--r--drivers/bus/omap_l3_noc.c17
-rw-r--r--drivers/bus/omap_l3_noc.h6
2 files changed, 17 insertions, 6 deletions
diff --git a/drivers/bus/omap_l3_noc.c b/drivers/bus/omap_l3_noc.c
index 08344b0..0eba07a 100644
--- a/drivers/bus/omap_l3_noc.c
+++ b/drivers/bus/omap_l3_noc.c
@@ -238,7 +238,7 @@ static int omap_l3_probe(struct platform_device *pdev)
{
const struct of_device_id *of_id;
static struct omap_l3 *l3;
- int ret, i;
+ int ret, i, res_idx;
of_id = of_match_device(l3_noc_match, &pdev->dev);
if (!of_id) {
@@ -255,15 +255,22 @@ static int omap_l3_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, l3);
/* Get mem resources */
- for (i = 0; i < l3->num_modules; i++) {
- struct resource *res = platform_get_resource(pdev,
- IORESOURCE_MEM, i);
-
+ for (i = 0, res_idx = 0; i < l3->num_modules; i++) {
+ struct resource *res;
+
+ if (l3->l3_base[i] == L3_BASE_IS_SUBMODULE) {
+ /* First entry cannot be submodule */
+ BUG_ON(i == 0);
+ l3->l3_base[i] = l3->l3_base[i - 1];
+ continue;
+ }
+ res = platform_get_resource(pdev, IORESOURCE_MEM, res_idx);
l3->l3_base[i] = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(l3->l3_base[i])) {
dev_err(l3->dev, "ioremap %d failed\n", i);
return PTR_ERR(l3->l3_base[i]);
}
+ res_idx++;
}
/*
diff --git a/drivers/bus/omap_l3_noc.h b/drivers/bus/omap_l3_noc.h
index 36dc48b..aced4c5 100644
--- a/drivers/bus/omap_l3_noc.h
+++ b/drivers/bus/omap_l3_noc.h
@@ -41,6 +41,8 @@
#define L3_TARGET_NOT_SUPPORTED NULL
+#define L3_BASE_IS_SUBMODULE ((void __iomem *)(1 << 0))
+
static const char * const l3_transaction_type[] = {
/* 0 0 0 */ "Idle",
/* 0 0 1 */ "Write",
@@ -96,7 +98,9 @@ struct l3_flagmux_data {
/**
* struct omap_l3 - Description of data relevant for L3 bus.
* @dev: device representing the bus (populated runtime)
- * @l3_base: base addresses of modules (populated runtime)
+ * @l3_base: base addresses of modules (populated runtime if 0)
+ * if set to L3_BASE_IS_SUBMODULE, then uses previous
+ * module index as the base address
* @l3_flag_mux: array containing flag mux data per module
* offset from corresponding module base indexed per
* module.
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