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@@ -0,0 +1,97 @@
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+/*
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+ * Flash memory access on RDC R8610 Evaluation board
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+ *
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+ * (C) 2009, Florian Fainelli
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/types.h>
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+#include <linux/kernel.h>
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+
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+#include <linux/mtd/mtd.h>
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+#include <linux/mtd/map.h>
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+#include <linux/mtd/partitions.h>
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+
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+#include <asm/io.h>
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+
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+static struct map_info r8610_map = {
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+ .name = "r8610",
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+ .size = CONFIG_MTD_RDC3210_SIZE,
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+ .bankwidth = CONFIG_MTD_RDC3210_BUSWIDTH,
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+};
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+
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+static struct mtd_partition r8610_partitions[] = {
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+ {
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+ .name = "Kernel",
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+ .size = 0x001f0000,
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+ .offset = 0
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+ },{
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+ .name = "Config",
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+ .size = 0x10000,
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+ .offset = MTDPART_OFS_APPEND,
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+ },{
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+ .name = "Initrd",
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+ .size = 0x1E0000,
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+ .offset = MTDPART_OFS_APPEND,
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+ },{
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+ .name = "Redboot",
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+ .size = 0x20000,
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+ .offset = MTDPART_OFS_APPEND,
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+ .mask_flags = MTD_WRITEABLE
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+ }
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+};
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+
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+static struct mtd_info *mymtd;
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+
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+int __init r8610_mtd_init(void)
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+{
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+ struct mtd_partition *parts;
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+ int nb_parts = 0;
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+
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+ /*
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+ * Static partition definition selection
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+ */
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+ parts = r8610_partitions;
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+ nb_parts = ARRAY_SIZE(r8610_partitions);
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+
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+ /*
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+ * Now let's probe for the actual flash. Do it here since
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+ * specific machine settings might have been set above.
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+ */
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+ r8610_map.phys = -r8610_map.size;
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+ printk(KERN_NOTICE "r8610: flash device: %lx at %x\n", r8610_map.size, r8610_map.phys);
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+
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+ r8610_map.map_priv_1 = (unsigned long)(r8610_map.virt = ioremap_nocache(r8610_map.phys, r8610_map.size));
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+ if (!r8610_map.map_priv_1) {
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+ printk(KERN_ERR "Failed to ioremap\n");
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+ return -EIO;
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+ }
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+
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+ mymtd = do_map_probe("cfi_probe", &r8610_map);
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+ if (!mymtd) {
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+ iounmap(r8610_map.virt);
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+ return -ENXIO;
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+ }
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+ mymtd->owner = THIS_MODULE;
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+
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+ add_mtd_partitions(mymtd, parts, nb_parts);
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+
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+ return 0;
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+}
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+
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+static void __exit r8610_mtd_cleanup(void)
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+{
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+ if (mymtd) {
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+ del_mtd_partitions(mymtd);
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+ map_destroy(mymtd);
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+ iounmap(r8610_map.virt);
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+ }
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+}
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+
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+module_init(r8610_mtd_init);
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+module_exit(r8610_mtd_cleanup);
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+
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+MODULE_AUTHOR("Florian Fainelli <[email protected]>");
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+MODULE_DESCRIPTION("RDC R8610 MTD driver");
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+MODULE_LICENSE("GPL");
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Florian Fainelli