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@ -12,15 +12,18 @@
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#define pr_fmt(fmt) "rb2011: " fmt
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#include <linux/phy.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/ath9k_platform.h>
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#include <linux/ar8216_platform.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <linux/rle.h>
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#include <linux/routerboot.h>
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#include <linux/gpio.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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@ -28,10 +31,13 @@
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#include "common.h"
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#include "dev-eth.h"
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#include "dev-m25p80.h"
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#include "dev-nfc.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#include "routerboot.h"
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#define RB2011_GPIO_NAND_NCE 14
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#define RB_ROUTERBOOT_OFFSET 0x0000
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#define RB_ROUTERBOOT_SIZE 0xb000
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#define RB_HARD_CFG_OFFSET 0xb000
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@ -66,6 +72,25 @@ static struct mtd_partition rb2011_spi_partitions[] = {
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}
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};
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static struct mtd_partition rb2011_nand_partitions[] = {
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{
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.name = "booter",
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.offset = 0,
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.size = (256 * 1024),
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel",
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.offset = (256 * 1024),
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.size = (4 * 1024 * 1024) - (256 * 1024),
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},
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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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static struct flash_platform_data rb2011_spi_flash_data = {
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.parts = rb2011_spi_partitions,
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.nr_parts = ARRAY_SIZE(rb2011_spi_partitions),
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@ -151,9 +176,61 @@ free:
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kfree(art_buf);
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}
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static void rb2011_nand_select_chip(int chip_no)
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{
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switch (chip_no) {
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case 0:
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gpio_set_value(RB2011_GPIO_NAND_NCE, 0);
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break;
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default:
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gpio_set_value(RB2011_GPIO_NAND_NCE, 1);
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break;
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}
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ndelay(500);
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}
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static struct nand_ecclayout rb2011_nand_ecclayout = {
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.eccbytes = 6,
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.eccpos = { 8, 9, 10, 13, 14, 15 },
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.oobavail = 9,
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.oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
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};
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static int rb2011_nand_scan_fixup(struct mtd_info *mtd)
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{
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struct nand_chip *chip = mtd->priv;
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if (mtd->writesize == 512) {
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/*
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* Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
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* will not be able to find the kernel that we load.
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*/
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chip->ecc.layout = &rb2011_nand_ecclayout;
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}
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return 0;
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}
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static void __init rb2011_nand_init(void)
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{
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ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup);
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ath79_nfc_set_parts(rb2011_nand_partitions,
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ARRAY_SIZE(rb2011_nand_partitions));
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ath79_nfc_set_select_chip(rb2011_nand_select_chip);
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ath79_register_nfc();
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}
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static void __init rb2011_gpio_init(void)
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{
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gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
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}
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static void __init rb2011_setup(void)
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{
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rb2011_gpio_init();
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ath79_register_m25p80(&rb2011_spi_flash_data);
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rb2011_nand_init();
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rb2011_gmac_setup();
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