[PATCH v5 05/14] ARM: OMAP2+: gpmc: resource creation helpers

[Afzal Mohammed <afzal@xxxxxx>]

Helpers for propulating given resource structure
with memory & interrupt information.

Signed-off-by: Afzal Mohammed <afzal@xxxxxx>
---
 arch/arm/mach-omap2/gpmc.c |   45 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index a91f40f..652b245 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -905,6 +905,51 @@ static void __devinit gpmc_mem_init(void)
 	}
 }
 
+static __devinit int gpmc_setup_cs_mem(struct gpmc_cs_data *cs,
+						struct resource *res)
+{
+	unsigned long start;
+	int ret;
+
+	ret = gpmc_cs_request(cs->cs, cs->mem_size, &start);
+	if (IS_ERR_VALUE(ret)) {
+		dev_err(gpmc_dev, "error: gpmc request on CS: %d\n", cs->cs);
+		return ret;
+	}
+
+	res->start = start + cs->mem_offset;
+	res->end = res->start + cs->mem_size - 1;
+	res->flags = IORESOURCE_MEM;
+
+	dev_info(gpmc_dev, "memory 0x%x-0x%x on CS %d\n", res->start,
+							res->end, cs->cs);
+
+	return 1;
+}
+
+static inline unsigned gpmc_bit_to_irq(unsigned bitmask)
+{
+	return bitmask;
+}
+
+static __devinit int gpmc_setup_cs_irq(struct gpmc_cs_data *cs,
+						struct resource *res)
+{
+	int i, n;
+
+	for (i = 0, n = 0; i < GPMC_NR_IRQ; i++)
+		if (gpmc_bit_to_irq(gpmc_client_irq[i].bitmask)
+						& cs->irq_config) {
+			res[n].start = res[n].end = gpmc_client_irq[i].irq;
+			res[n].flags = IORESOURCE_IRQ;
+			dev_info(gpmc_dev, "irq %u on CS %d\n",
+						res[n].start, cs->cs);
+			n++;
+		}
+
+	return n;
+}
+
 static __devinit int gpmc_probe(struct platform_device *pdev)
 {
 	u32 l;
-- 
1.7.10.2


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