1 files changed, 33 insertions, 17 deletions

diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index be0858bff4d3..ed11887c1b7c 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -237,6 +237,7 @@ struct gpmc_device {
 	struct omap3_gpmc_regs context;
 	int nirqs;
 	unsigned int is_suspended:1;
+	struct resource *data;
 };
 
 static struct irq_domain *gpmc_irq_domain;
@@ -1456,12 +1457,18 @@ static void gpmc_mem_exit(void)
 	}
 }
 
-static void gpmc_mem_init(void)
+static void gpmc_mem_init(struct gpmc_device *gpmc)
 {
 	int cs;
 
-	gpmc_mem_root.start = GPMC_MEM_START;
-	gpmc_mem_root.end = GPMC_MEM_END;
+	if (!gpmc->data) {
+		/* All legacy devices have same data IO window */
+		gpmc_mem_root.start = GPMC_MEM_START;
+		gpmc_mem_root.end = GPMC_MEM_END;
+	} else {
+		gpmc_mem_root.start = gpmc->data->start;
+		gpmc_mem_root.end = gpmc->data->end;
+	}
 
 	/* Reserve all regions that has been set up by bootloader */
 	for (cs = 0; cs < gpmc_cs_num; cs++) {
@@ -1888,6 +1895,7 @@ static const struct of_device_id gpmc_dt_ids[] = {
 	{ .compatible = "ti,omap3430-gpmc" },	/* omap3430 & omap3630 */
 	{ .compatible = "ti,omap4430-gpmc" },	/* omap4430 & omap4460 & omap543x */
 	{ .compatible = "ti,am3352-gpmc" },	/* am335x devices */
+	{ .compatible = "ti,am64-gpmc" },
 	{ }
 };
 
@@ -2175,7 +2183,7 @@ static int gpmc_probe_generic_child(struct platform_device *pdev,
 		}
 	}
 
-	if (of_device_is_compatible(child, "ti,omap2-nand")) {
+	if (of_match_node(omap_nand_ids, child)) {
 		/* NAND specific setup */
 		val = 8;
 		of_property_read_u32(child, "nand-bus-width", &val);
@@ -2502,21 +2510,29 @@ static int gpmc_probe(struct platform_device *pdev)
 	gpmc->dev = &pdev->dev;
 	platform_set_drvdata(pdev, gpmc);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENOENT;
-
-	gpmc_base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(gpmc_base))
-		return PTR_ERR(gpmc_base);
-
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg");
 	if (!res) {
-		dev_err(&pdev->dev, "Failed to get resource: irq\n");
-		return -ENOENT;
+		/* legacy DT */
+		gpmc_base = devm_platform_ioremap_resource(pdev, 0);
+		if (IS_ERR(gpmc_base))
+			return PTR_ERR(gpmc_base);
+	} else {
+		gpmc_base = devm_ioremap_resource(&pdev->dev, res);
+		if (IS_ERR(gpmc_base))
+			return PTR_ERR(gpmc_base);
+
+		res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "data");
+		if (!res) {
+			dev_err(&pdev->dev, "couldn't get data reg resource\n");
+			return -ENOENT;
+		}
+
+		gpmc->data = res;
 	}
 
-	gpmc->irq = res->start;
+	gpmc->irq = platform_get_irq(pdev, 0);
+	if (gpmc->irq < 0)
+		return gpmc->irq;
 
 	gpmc_l3_clk = devm_clk_get(&pdev->dev, "fck");
 	if (IS_ERR(gpmc_l3_clk)) {
@@ -2562,7 +2578,7 @@ static int gpmc_probe(struct platform_device *pdev)
 	dev_info(gpmc->dev, "GPMC revision %d.%d\n", GPMC_REVISION_MAJOR(l),
 		 GPMC_REVISION_MINOR(l));
 
-	gpmc_mem_init();
+	gpmc_mem_init(gpmc);
 	rc = gpmc_gpio_init(gpmc);
 	if (rc)
 		goto gpio_init_failed;