1 files changed, 69 insertions, 0 deletions

diff --git a/arch/arm/mach-mmp/devices.c b/arch/arm/mach-mmp/devices.c
new file mode 100644
index 000000000000..191d9dea8731
--- /dev/null
+++ b/arch/arm/mach-mmp/devices.c
@@ -0,0 +1,69 @@
+/*
+ * linux/arch/arm/mach-mmp/devices.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/irq.h>
+#include <mach/devices.h>
+
+int __init pxa_register_device(struct pxa_device_desc *desc,
+                                void *data, size_t size)
+{
+        struct platform_device *pdev;
+        struct resource res[2 + MAX_RESOURCE_DMA];
+        int i, ret = 0, nres = 0;
+
+        pdev = platform_device_alloc(desc->drv_name, desc->id);
+        if (pdev == NULL)
+                return -ENOMEM;
+
+        pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+
+        memset(res, 0, sizeof(res));
+
+        if (desc->start != -1ul && desc->size > 0) {
+                res[nres].start = desc->start;
+                res[nres].end   = desc->start + desc->size - 1;
+                res[nres].flags = IORESOURCE_MEM;
+                nres++;
+        }
+
+        if (desc->irq != NO_IRQ) {
+                res[nres].start = desc->irq;
+                res[nres].end   = desc->irq;
+                res[nres].flags = IORESOURCE_IRQ;
+                nres++;
+        }
+
+        for (i = 0; i < MAX_RESOURCE_DMA; i++, nres++) {
+                if (desc->dma[i] == 0)
+                        break;
+
+                res[nres].start = desc->dma[i];
+                res[nres].end   = desc->dma[i];
+                res[nres].flags = IORESOURCE_DMA;
+        }
+
+        ret = platform_device_add_resources(pdev, res, nres);
+        if (ret) {
+                platform_device_put(pdev);
+                return ret;
+        }
+
+        if (data && size) {
+                ret = platform_device_add_data(pdev, data, size);
+                if (ret) {
+                        platform_device_put(pdev);
+                        return ret;
+                }
+        }
+
+        return platform_device_add(pdev);
+}