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@@ -1,219 +0,0 @@
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-#include <linux/io.h>
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-#include <linux/module.h>
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-#include <linux/platform_device.h>
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-#include <linux/mtd/nand.h>
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-#include <linux/mtd/mtd.h>
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-#include <linux/mtd/partitions.h>
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-#include <linux/delay.h>
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-
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-#include <asm/io.h>
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-#include <asm/irq.h>
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-#include <asm/bootinfo.h>
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-
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-#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(0x18000000))
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-
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-#define GPIOF 0x050000
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-#define GPIOC 0x050004
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-#define GPIOD 0x050008
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-
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-#define GPIO_RDY (1 << 0x08)
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-#define GPIO_WPX (1 << 0x09)
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-#define GPIO_ALE (1 << 0x0a)
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-#define GPIO_CLE (1 << 0x0b)
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-
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-#define DEV2BASE 0x010020
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-
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-#define LO_WPX (1 << 0)
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-#define LO_ALE (1 << 1)
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-#define LO_CLE (1 << 2)
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-#define LO_CEX (1 << 3)
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-#define LO_FOFF (1 << 5)
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-#define LO_SPICS (1 << 6)
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-#define LO_ULED (1 << 7)
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-
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-#define MEM32(x) *((volatile unsigned *) (x))
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-
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-extern char *board_type;
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-
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-struct rb500_nand_info {
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- struct nand_chip chip;
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- struct mtd_info mtd;
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- void __iomem *io_base;
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-#ifdef CONFIG_MTD_PARTITIONS
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- int nr_parts;
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- struct mtd_partition *parts;
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-#endif
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- int init_ok;
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- int flags1;
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- int flags2;
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-};
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-
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-static struct mtd_partition partition_info[] = {
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- {
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- name:"RouterBoard NAND Boot",
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- offset:0,
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- size:4 * 1024 * 1024},
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- {
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- name:"rootfs",
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- offset:MTDPART_OFS_NXTBLK,
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- size:MTDPART_SIZ_FULL}
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-};
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-
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-extern void changeLatchU5(unsigned char orMask, unsigned char nandMask);
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-
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-static int rb500_dev_ready(struct mtd_info *mtd)
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-{
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- return MEM32(IDT434_REG_BASE + GPIOD) & GPIO_RDY;
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-}
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-
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-/*
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- * hardware specific access to control-lines
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- *
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- * ctrl:
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- * NAND_CLE: bit 2 -> bit 3
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- * NAND_ALE: bit 3 -> bit 2
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- */
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-static void rbmips_hwcontrol500(struct mtd_info *mtd, int cmd,
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- unsigned int ctrl)
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-{
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- struct nand_chip *chip = mtd->priv;
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- unsigned char orbits, nandbits;
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-
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- if (ctrl & NAND_CTRL_CHANGE) {
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-
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- orbits = (ctrl & NAND_CLE) << 1;
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- orbits |= (ctrl & NAND_ALE) >> 1;
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-
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- nandbits = (~ctrl & NAND_CLE) << 1;
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- nandbits |= (~ctrl & NAND_ALE) >> 1;
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-
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- changeLatchU5(orbits, nandbits);
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- }
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- if (cmd != NAND_CMD_NONE)
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- writeb(cmd, chip->IO_ADDR_W);
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-
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-}
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-
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-unsigned get_rbnand_block_size(struct rb500_nand_info *data)
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-{
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- if (data->init_ok)
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- return data->mtd.writesize;
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- else
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- return 0;
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-}
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-
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-EXPORT_SYMBOL(get_rbnand_block_size);
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-
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-static int rbmips_probe(struct platform_device *pdev)
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-{
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- struct rb500_nand_info *data;
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- int res = 0;
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- int *b;
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-
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- /* Allocate memory for the structure */
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- data = kzalloc(sizeof(*data), GFP_KERNEL);
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- if (!data) {
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- dev_err(&pdev->dev, "Failed to allocate device structure\n");
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- return -ENOMEM;
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- }
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-
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- data->io_base = ioremap(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start + 1);
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-
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- if (data->io_base == NULL) {
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- dev_err(&pdev->dev, "ioremap failed\n");
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- kfree(data);
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- return -EIO;
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- }
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-
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- if (!strcmp(board_type, "500r5")) {
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- data->flags1 = LO_FOFF | LO_CEX;
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- data->flags2 = LO_ULED | LO_ALE | LO_CLE | LO_WPX;
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- }
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- else {
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- data->flags1 = LO_WPX | LO_FOFF | LO_CEX;
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- data->flags2 = LO_ULED | LO_ALE | LO_CLE;
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- }
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-
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- changeLatchU5(data->flags1, data->flags2);
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-
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- data->chip.cmd_ctrl = rbmips_hwcontrol500;
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-
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- data->chip.dev_ready = rb500_dev_ready;
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- data->chip.IO_ADDR_W = (unsigned char *)KSEG1ADDR(MEM32(IDT434_REG_BASE + DEV2BASE));
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- data->chip.IO_ADDR_R = data->chip.IO_ADDR_W;
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-
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- data->chip.ecc.mode = NAND_ECC_SOFT;
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- data->chip.chip_delay = 25;
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- data->chip.options |= NAND_NO_AUTOINCR;
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-
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- data->chip.priv = &data;
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- data->mtd.priv = &data->chip;
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- data->mtd.owner = THIS_MODULE;
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-
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- b = (int *) KSEG1ADDR(0x18010020);
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- printk("dev2base 0x%08x mask 0x%08x c 0x%08x tc 0x%08x\n", b[0],
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- b[1], b[2], b[3]);
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-
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- platform_set_drvdata(pdev, data);
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-
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- /* Why do we need to scan 4 times ? */
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- if (nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1)) {
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- printk(KERN_INFO "RB500 nand device not found\n");
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- res = -ENXIO;
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- goto out;
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- }
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-
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- printk(KERN_INFO "RB500 NAND\n");
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- add_mtd_partitions(&data->mtd, partition_info, 2);
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- data->init_ok = 1;
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-
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- res = add_mtd_device(&data->mtd);
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- if (!res)
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- return res;
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-
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- nand_release(&data->mtd);
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-out:
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- platform_set_drvdata(pdev, NULL);
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- iounmap(data->io_base);
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- kfree(data);
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- return res;
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-}
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-
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-static int __devexit rbmips_remove(struct platform_device *pdev)
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-{
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- struct rb500_nand_info *data = platform_get_drvdata(pdev);
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-
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- nand_release(&data->mtd);
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- iounmap(data->io_base);
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- kfree(data);
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-
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- return 0;
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-}
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-
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-static struct platform_driver rb500_nand_driver = {
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- .probe = rbmips_probe,
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- .remove = rbmips_remove,
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- .driver = {
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- .name = "rb500-nand",
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- .owner = THIS_MODULE,
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- },
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-};
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-
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-static int __init rb500_nand_init(void)
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-{
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- int err;
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- err = platform_driver_register(&rb500_nand_driver);
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- return err;
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-}
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-
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-static void __exit rb500_nand_exit(void)
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-{
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- platform_driver_unregister(&rb500_nand_driver);
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-}
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-
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-module_init(rb500_nand_init);
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-module_exit(rb500_nand_exit);
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-
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-MODULE_LICENSE("GPL");
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-MODULE_AUTHOR("David Goodenough, Felix Fietkau, Florian Fainelli");
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-MODULE_DESCRIPTION("RouterBOARD 500 NAND driver");
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Florian Fainelli