diff options
Diffstat (limited to 'target/linux/adm5120')
| -rw-r--r-- | target/linux/adm5120/files/drivers/mtd/nand/adm5120-nand.c | 207 | ||||
| -rw-r--r-- | target/linux/adm5120/files/include/linux/gpio_leds.h | 37 |
2 files changed, 0 insertions, 244 deletions
diff --git a/target/linux/adm5120/files/drivers/mtd/nand/adm5120-nand.c b/target/linux/adm5120/files/drivers/mtd/nand/adm5120-nand.c deleted file mode 100644 index 2e7059d..0000000 --- a/target/linux/adm5120/files/drivers/mtd/nand/adm5120-nand.c +++ /dev/null @@ -1,207 +0,0 @@ -/*==============================================================================*/ -/* rbmipsnand.c */ -/* This module is derived from the 2.4 driver shipped by Microtik for their */ -/* Routerboard 1xx and 5xx series boards. It provides support for the built in */ -/* NAND flash on the Routerboard 1xx series boards for Linux 2.6.19+. */ -/* Licence: Original Microtik code seems not to have a licence. */ -/* Rewritten code all GPL V2. */ -/* Copyright(C) 2007 david.goodenough@linkchoose.co.uk (for rewriten code) */ -/*==============================================================================*/ - -#include <linux/io.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/delay.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/bootinfo.h> -#include <asm/mach-adm5120/adm5120_info.h> -#include <asm/mach-adm5120/adm5120_defs.h> - -#define SMEM1(x) (*((volatile unsigned char *) (KSEG1ADDR(ADM5120_SRAM1_BASE) + x))) - -#define NAND_RW_REG 0x0 //data register -#define NAND_SET_CEn 0x1 //CE# low -#define NAND_CLR_CEn 0x2 //CE# high -#define NAND_CLR_CLE 0x3 //CLE low -#define NAND_SET_CLE 0x4 //CLE high -#define NAND_CLR_ALE 0x5 //ALE low -#define NAND_SET_ALE 0x6 //ALE high -#define NAND_SET_SPn 0x7 //SP# low (use spare area) -#define NAND_CLR_SPn 0x8 //SP# high (do not use spare area) -#define NAND_SET_WPn 0x9 //WP# low -#define NAND_CLR_WPn 0xA //WP# high -#define NAND_STS_REG 0xB //Status register - -#define MEM32(x) *((volatile unsigned *) (x)) - -static struct mtd_partition partition_info[] = { - { - name: "RouterBoard NAND Boot", - offset: 0, - size: 4 * 1024 * 1024 - }, - { - name: "rootfs", - offset: MTDPART_OFS_NXTBLK, - size: MTDPART_SIZ_FULL - } -}; - -static struct nand_ecclayout rb_ecclayout = { - .eccbytes = 6, - .eccpos = { 8, 9, 10, 13, 14, 15 }, - .oobavail = 9, - .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1} } -}; - -struct adm5120_nand_info { - struct nand_chip chip; - struct mtd_info mtd; - void __iomem *io_base; -#ifdef CONFIG_MTD_PARTITIONS - int nr_parts; - struct mtd_partition *parts; -#endif - unsigned int init_ok; -}; - -static int rb100_dev_ready(struct mtd_info *mtd) -{ - return SMEM1(NAND_STS_REG) & 0x80; -} - -static void rbmips_hwcontrol100(struct mtd_info *mtd, int cmd, unsigned int ctrl) -{ - struct nand_chip *chip = mtd->priv; - if (ctrl & NAND_CTRL_CHANGE) - { - SMEM1((( ctrl & NAND_CLE) ? NAND_SET_CLE : NAND_CLR_CLE)) = 0x01; - SMEM1((( ctrl & NAND_ALE) ? NAND_SET_ALE : NAND_CLR_ALE)) = 0x01; - SMEM1((( ctrl & NAND_NCE) ? NAND_SET_CEn : NAND_CLR_CEn)) = 0x01; - } - if (cmd != NAND_CMD_NONE) - writeb( cmd, chip->IO_ADDR_W); -} - -/*========================================================================*/ -/* We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader */ -/* will not be able to find the kernel that we load. So set the oobinfo */ -/* when creating the partitions. */ -/*========================================================================*/ - - -unsigned get_rbnand_block_size(struct adm5120_nand_info *data) -{ - return data->init_ok ? data->mtd.writesize : 0; -} - -EXPORT_SYMBOL(get_rbnand_block_size); - -static int rbmips_probe(struct platform_device *pdev) -{ - struct adm5120_nand_info *data; - int res = 0; - - /* Allocate memory for the nand_chip structure */ - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - dev_err(&pdev->dev, "Failed to allocate device structure\n"); - return -ENOMEM; - - } - - data->io_base = ioremap(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start + 1); - - if (data->io_base == NULL) { - dev_err(&pdev->dev, "ioremap failed\n"); - kfree(data); - return -EIO; - } - - MEM32(0xB2000064) = 0x100; - MEM32(0xB2000008) = 0x1; - SMEM1(NAND_SET_SPn) = 0x01; - SMEM1(NAND_CLR_WPn) = 0x01; - - data->chip.priv = &data; - data->mtd.priv = &data->chip; - data->mtd.owner = THIS_MODULE; - - data->init_ok = 0; - data->chip.IO_ADDR_R = (unsigned char *)KSEG1ADDR(ADM5120_SRAM1_BASE); - data->chip.IO_ADDR_W = data->chip.IO_ADDR_R; - data->chip.cmd_ctrl = rbmips_hwcontrol100; - data->chip.dev_ready = rb100_dev_ready; - data->chip.ecc.mode = NAND_ECC_SOFT; - data->chip.ecc.layout = &rb_ecclayout; - data->chip.chip_delay = 25; - data->chip.options |= NAND_NO_AUTOINCR; - - platform_set_drvdata(pdev, data); - - /* Why do we need to scan 4 times ? */ - if (nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1) && nand_scan(&data->mtd, 1)) { - printk(KERN_INFO "RB1xxx nand device not found\n"); - res = -ENXIO; - goto out; - } - - add_mtd_partitions(&data->mtd, partition_info, 2); - data->init_ok = 1; - - res = add_mtd_device(&data->mtd); - if (!res) - return res; - - nand_release(&data->mtd); -out: - platform_set_drvdata(pdev, NULL); - iounmap(data->io_base); - kfree(data); - return res; -} - -static int __devexit rbmips_remove(struct platform_device *pdev) -{ - struct adm5120_nand_info *data = platform_get_drvdata(pdev); - - nand_release(&data->mtd); - iounmap(data->io_base); - kfree(data); - - return 0; -} - -static struct platform_driver adm5120_nand_driver = { - .probe = rbmips_probe, - .remove = rbmips_remove, - .driver = { - .name = "adm5120-nand", - .owner = THIS_MODULE, - }, -}; - -static int __init adm5120_nand_init(void) -{ - int err; - err = platform_driver_register(&adm5120_nand_driver); - return err; -} - -static void __exit adm5120_nand_exit(void) -{ - platform_driver_unregister(&adm5120_nand_driver); -} - -module_init(adm5120_nand_init); -module_exit(adm5120_nand_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("David Goodenough, Florian Fainelli"); -MODULE_DESCRIPTION("RouterBOARD 100 NAND driver"); - diff --git a/target/linux/adm5120/files/include/linux/gpio_leds.h b/target/linux/adm5120/files/include/linux/gpio_leds.h deleted file mode 100644 index 5e78217..0000000 --- a/target/linux/adm5120/files/include/linux/gpio_leds.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * $Id$ - * - * GPIO LEDs platform data structure - * - * Copyright (C) 2007 OpenWrt.org - * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the - * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#ifndef _GPIO_LEDS_H_ -#define _GPIO_LEDS_H_ - -struct gpio_led_platform_data { - char *name; - char *trigger; - unsigned gpio; /* GPIO line number */ - int value_off; /* value to turn LED OFF */ - int value_on; /* value to turn LED ON */ -}; - -#endif /* _GPIO_LEDS_H__ */ |