goldfish: R.I.P.

It is broken and it is not maintained by anyone since long time.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34766

1 files changed, 0 insertions, 521 deletions

diff --git a/target/linux/goldfish/patches-2.6.30/0125--ARM-goldfish-NAND-Add-nand-driver-for-goldfish.patch b/target/linux/goldfish/patches-2.6.30/0125--ARM-goldfish-NAND-Add-nand-driver-for-goldfish.patch
deleted file mode 100644
index 0310888..0000000
--- a/target/linux/goldfish/patches-2.6.30/0125--ARM-goldfish-NAND-Add-nand-driver-for-goldfish.patch
+++ /dev/null
@@ -1,521 +0,0 @@
-From bed297dad6283a5926962c1c59f95ad641824630 Mon Sep 17 00:00:00 2001
-From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@google.com>
-Date: Fri, 29 Jun 2007 22:20:07 -0700
-Subject: [PATCH 125/134] [ARM] goldfish: NAND: Add nand driver for goldfish.
-MIME-Version: 1.0
-Content-Type: text/plain; charset=utf-8
-Content-Transfer-Encoding: 8bit
-
-Signed-off-by: Mike A. Chan <mikechan@google.com>
-Signed-off-by: Arve Hjønnevåg <arve@android.com>
----
- drivers/mtd/devices/Kconfig             |    5 +
- drivers/mtd/devices/Makefile            |    1 +
- drivers/mtd/devices/goldfish_nand.c     |  418 +++++++++++++++++++++++++++++++
- drivers/mtd/devices/goldfish_nand_reg.h |   58 +++++
- 4 files changed, 482 insertions(+), 0 deletions(-)
- create mode 100644 drivers/mtd/devices/goldfish_nand.c
- create mode 100644 drivers/mtd/devices/goldfish_nand_reg.h
-
---- a/drivers/mtd/devices/Kconfig
-+++ b/drivers/mtd/devices/Kconfig
-@@ -297,5 +297,10 @@ config MTD_DOCPROBE_55AA
- 	  LinuxBIOS or if you need to recover a DiskOnChip Millennium on which
- 	  you have managed to wipe the first block.
- 
-+config MTD_GOLDFISH_NAND
-+	tristate "Goldfish NAND device"
-+	help
-+	  none
-+
- endmenu
- 
---- a/drivers/mtd/devices/Makefile
-+++ b/drivers/mtd/devices/Makefile
-@@ -16,3 +16,4 @@ obj-$(CONFIG_MTD_LART)		+= lart.o
- obj-$(CONFIG_MTD_BLOCK2MTD)	+= block2mtd.o
- obj-$(CONFIG_MTD_DATAFLASH)	+= mtd_dataflash.o
- obj-$(CONFIG_MTD_M25P80)	+= m25p80.o
-+obj-$(CONFIG_MTD_GOLDFISH_NAND)	+= goldfish_nand.o
---- /dev/null
-+++ b/drivers/mtd/devices/goldfish_nand.c
-@@ -0,0 +1,418 @@
-+/* drivers/mtd/devices/goldfish_nand.c
-+**
-+** Copyright (C) 2007 Google, Inc.
-+**
-+** This software is licensed under the terms of the GNU General Public
-+** License version 2, as published by the Free Software Foundation, and
-+** may be copied, distributed, and modified under those terms.
-+**
-+** 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.
-+**
-+*/
-+
-+#include <asm/div64.h>
-+#include <asm/io.h>
-+#include <linux/module.h>
-+#include <linux/slab.h>
-+#include <linux/ioport.h>
-+#include <linux/vmalloc.h>
-+#include <linux/init.h>
-+#include <linux/mtd/compatmac.h>
-+#include <linux/mtd/mtd.h>
-+#include <linux/platform_device.h>
-+
-+#include "goldfish_nand_reg.h"
-+
-+struct goldfish_nand {
-+	spinlock_t              lock;
-+	unsigned char __iomem  *base;
-+	size_t                  mtd_count;
-+	struct mtd_info         mtd[0];
-+};
-+
-+static uint32_t goldfish_nand_cmd(struct mtd_info *mtd, enum nand_cmd cmd,
-+                              uint64_t addr, uint32_t len, void *ptr)
-+{
-+	struct goldfish_nand *nand = mtd->priv;
-+	uint32_t rv;
-+	unsigned long irq_flags;
-+	unsigned char __iomem  *base = nand->base;
-+
-+	spin_lock_irqsave(&nand->lock, irq_flags);
-+	writel(mtd - nand->mtd, base + NAND_DEV);
-+	writel((uint32_t)(addr >> 32), base + NAND_ADDR_HIGH);
-+	writel((uint32_t)addr, base + NAND_ADDR_LOW);
-+	writel(len, base + NAND_TRANSFER_SIZE);
-+	writel(ptr, base + NAND_DATA);
-+	writel(cmd, base + NAND_COMMAND);
-+	rv = readl(base + NAND_RESULT);
-+	spin_unlock_irqrestore(&nand->lock, irq_flags);
-+	return rv;
-+}
-+
-+static int goldfish_nand_erase(struct mtd_info *mtd, struct erase_info *instr)
-+{
-+	loff_t ofs = instr->addr;
-+	uint32_t len = instr->len;
-+	uint32_t rem;
-+
-+	if (ofs + len > mtd->size)
-+		goto invalid_arg;
-+	rem = do_div(ofs, mtd->writesize);
-+	if(rem)
-+		goto invalid_arg;
-+	ofs *= (mtd->writesize + mtd->oobsize);
-+	
-+	if(len % mtd->writesize)
-+		goto invalid_arg;
-+	len = len / mtd->writesize * (mtd->writesize + mtd->oobsize);
-+
-+	if(goldfish_nand_cmd(mtd, NAND_CMD_ERASE, ofs, len, NULL) != len) {
-+		printk("goldfish_nand_erase: erase failed, start %llx, len %x, dev_size "
-+		       "%llx, erase_size %x\n", ofs, len, mtd->size, mtd->erasesize);
-+		return -EIO;
-+	}
-+
-+	instr->state = MTD_ERASE_DONE;
-+	mtd_erase_callback(instr);
-+
-+	return 0;
-+
-+invalid_arg:
-+	printk("goldfish_nand_erase: invalid erase, start %llx, len %x, dev_size "
-+	       "%llx, erase_size %x\n", ofs, len, mtd->size, mtd->erasesize);
-+	return -EINVAL;
-+}
-+
-+static int goldfish_nand_read_oob(struct mtd_info *mtd, loff_t ofs,
-+                              struct mtd_oob_ops *ops)
-+{
-+	uint32_t rem;
-+
-+	if(ofs + ops->len > mtd->size)
-+		goto invalid_arg;
-+	if(ops->datbuf && ops->len && ops->len != mtd->writesize)
-+		goto invalid_arg;
-+	if(ops->ooblen + ops->ooboffs > mtd->oobsize)
-+		goto invalid_arg;
-+
-+	rem = do_div(ofs, mtd->writesize);
-+	if(rem)
-+		goto invalid_arg;
-+	ofs *= (mtd->writesize + mtd->oobsize);
-+
-+	if(ops->datbuf)
-+		ops->retlen = goldfish_nand_cmd(mtd, NAND_CMD_READ, ofs,
-+		                            ops->len, ops->datbuf);
-+	ofs += mtd->writesize + ops->ooboffs;
-+	if(ops->oobbuf)
-+		ops->oobretlen = goldfish_nand_cmd(mtd, NAND_CMD_READ, ofs,
-+		                               ops->ooblen, ops->oobbuf);
-+	return 0;
-+
-+invalid_arg:
-+	printk("goldfish_nand_read_oob: invalid read, start %llx, len %x, "
-+	       "ooblen %x, dev_size %llx, write_size %x\n",
-+	       ofs, ops->len, ops->ooblen, mtd->size, mtd->writesize);
-+	return -EINVAL;
-+}
-+
-+static int goldfish_nand_write_oob(struct mtd_info *mtd, loff_t ofs,
-+                               struct mtd_oob_ops *ops)
-+{
-+	uint32_t rem;
-+
-+	if(ofs + ops->len > mtd->size)
-+		goto invalid_arg;
-+	if(ops->len && ops->len != mtd->writesize)
-+		goto invalid_arg;
-+	if(ops->ooblen + ops->ooboffs > mtd->oobsize)
-+		goto invalid_arg;
-+	
-+	rem = do_div(ofs, mtd->writesize);
-+	if(rem)
-+		goto invalid_arg;
-+	ofs *= (mtd->writesize + mtd->oobsize);
-+
-+	if(ops->datbuf)
-+		ops->retlen = goldfish_nand_cmd(mtd, NAND_CMD_WRITE, ofs,
-+		                            ops->len, ops->datbuf);
-+	ofs += mtd->writesize + ops->ooboffs;
-+	if(ops->oobbuf)
-+		ops->oobretlen = goldfish_nand_cmd(mtd, NAND_CMD_WRITE, ofs,
-+		                               ops->ooblen, ops->oobbuf);
-+	return 0;
-+
-+invalid_arg:
-+	printk("goldfish_nand_write_oob: invalid write, start %llx, len %x, "
-+	       "ooblen %x, dev_size %llx, write_size %x\n",
-+	       ofs, ops->len, ops->ooblen, mtd->size, mtd->writesize);
-+	return -EINVAL;
-+}
-+
-+static int goldfish_nand_read(struct mtd_info *mtd, loff_t from, size_t len,
-+                          size_t *retlen, u_char *buf)
-+{
-+	uint32_t rem;
-+
-+	if(from + len > mtd->size)
-+		goto invalid_arg;
-+	if(len != mtd->writesize)
-+		goto invalid_arg;
-+
-+	rem = do_div(from, mtd->writesize);
-+	if(rem)
-+		goto invalid_arg;
-+	from *= (mtd->writesize + mtd->oobsize);
-+
-+	*retlen = goldfish_nand_cmd(mtd, NAND_CMD_READ, from, len, buf);
-+	return 0;
-+
-+invalid_arg:
-+	printk("goldfish_nand_read: invalid read, start %llx, len %x, dev_size %llx"
-+	       ", write_size %x\n", from, len, mtd->size, mtd->writesize);
-+	return -EINVAL;
-+}
-+
-+static int goldfish_nand_write(struct mtd_info *mtd, loff_t to, size_t len,
-+                           size_t *retlen, const u_char *buf)
-+{
-+	uint32_t rem;
-+
-+	if(to + len > mtd->size)
-+		goto invalid_arg;
-+	if(len != mtd->writesize)
-+		goto invalid_arg;
-+
-+	rem = do_div(to, mtd->writesize);
-+	if(rem)
-+		goto invalid_arg;
-+	to *= (mtd->writesize + mtd->oobsize);
-+
-+	*retlen = goldfish_nand_cmd(mtd, NAND_CMD_WRITE, to, len, (void *)buf);
-+	return 0;
-+
-+invalid_arg:
-+	printk("goldfish_nand_write: invalid write, start %llx, len %x, dev_size %llx"
-+	       ", write_size %x\n", to, len, mtd->size, mtd->writesize);
-+	return -EINVAL;
-+}
-+
-+static int goldfish_nand_block_isbad(struct mtd_info *mtd, loff_t ofs)
-+{
-+	uint32_t rem;
-+
-+	if(ofs >= mtd->size)
-+		goto invalid_arg;
-+
-+	rem = do_div(ofs, mtd->erasesize);
-+	if(rem)
-+		goto invalid_arg;
-+	ofs *= mtd->erasesize / mtd->writesize;
-+	ofs *= (mtd->writesize + mtd->oobsize);
-+
-+	return goldfish_nand_cmd(mtd, NAND_CMD_BLOCK_BAD_GET, ofs, 0, NULL);
-+
-+invalid_arg:
-+	printk("goldfish_nand_block_isbad: invalid arg, ofs %llx, dev_size %llx, "
-+	       "write_size %x\n", ofs, mtd->size, mtd->writesize);
-+	return -EINVAL;
-+}
-+
-+static int goldfish_nand_block_markbad(struct mtd_info *mtd, loff_t ofs)
-+{
-+	uint32_t rem;
-+
-+	if(ofs >= mtd->size)
-+		goto invalid_arg;
-+
-+	rem = do_div(ofs, mtd->erasesize);
-+	if(rem)
-+		goto invalid_arg;
-+	ofs *= mtd->erasesize / mtd->writesize;
-+	ofs *= (mtd->writesize + mtd->oobsize);
-+
-+	if(goldfish_nand_cmd(mtd, NAND_CMD_BLOCK_BAD_SET, ofs, 0, NULL) != 1)
-+		return -EIO;
-+	return 0;
-+
-+invalid_arg:
-+	printk("goldfish_nand_block_markbad: invalid arg, ofs %llx, dev_size %llx, "
-+	       "write_size %x\n", ofs, mtd->size, mtd->writesize);
-+	return -EINVAL;
-+}
-+
-+static int goldfish_nand_init_device(struct goldfish_nand *nand, int id)
-+{
-+	uint32_t name_len;
-+	uint32_t result;
-+	uint32_t flags;
-+	unsigned long irq_flags;
-+	unsigned char __iomem  *base = nand->base;
-+	struct mtd_info *mtd = &nand->mtd[id];
-+	char *name;
-+
-+	spin_lock_irqsave(&nand->lock, irq_flags);
-+	writel(id, base + NAND_DEV);
-+	flags = readl(base + NAND_DEV_FLAGS);
-+	name_len = readl(base + NAND_DEV_NAME_LEN);
-+	mtd->writesize = readl(base + NAND_DEV_PAGE_SIZE);
-+	mtd->size = readl(base + NAND_DEV_SIZE_LOW);
-+	mtd->size |= (uint64_t)readl(base + NAND_DEV_SIZE_HIGH) << 32;
-+	mtd->oobsize = readl(base + NAND_DEV_EXTRA_SIZE);
-+	mtd->oobavail = mtd->oobsize;
-+	mtd->erasesize = readl(base + NAND_DEV_ERASE_SIZE) /
-+	                 (mtd->writesize + mtd->oobsize) * mtd->writesize;
-+	do_div(mtd->size, mtd->writesize + mtd->oobsize);
-+	mtd->size *= mtd->writesize;
-+	printk("goldfish nand dev%d: size %llx, page %d, extra %d, erase %d\n",
-+	       id, mtd->size, mtd->writesize, mtd->oobsize, mtd->erasesize);
-+	spin_unlock_irqrestore(&nand->lock, irq_flags);
-+
-+	mtd->priv = nand;
-+
-+	mtd->name = name = kmalloc(name_len + 1, GFP_KERNEL);
-+	if(name == NULL)
-+		return -ENOMEM;
-+
-+	result = goldfish_nand_cmd(mtd, NAND_CMD_GET_DEV_NAME, 0, name_len, name);
-+	if(result != name_len) {
-+		kfree(mtd->name);
-+		mtd->name = NULL;
-+		printk("goldfish_nand_init_device failed to get dev name %d != %d\n",
-+		       result, name_len);
-+		return -ENODEV;
-+	}
-+	((char *) mtd->name)[name_len] = '\0';
-+
-+	/* Setup the MTD structure */
-+	mtd->type = MTD_NANDFLASH;
-+	mtd->flags = MTD_CAP_NANDFLASH;
-+	if(flags & NAND_DEV_FLAG_READ_ONLY)
-+		mtd->flags &= ~MTD_WRITEABLE;
-+
-+	mtd->owner = THIS_MODULE;
-+	mtd->erase = goldfish_nand_erase;
-+	mtd->read = goldfish_nand_read;
-+	mtd->write = goldfish_nand_write;
-+	mtd->read_oob = goldfish_nand_read_oob;
-+	mtd->write_oob = goldfish_nand_write_oob;
-+	mtd->block_isbad = goldfish_nand_block_isbad;
-+	mtd->block_markbad = goldfish_nand_block_markbad;
-+
-+	if (add_mtd_device(mtd)) {
-+		kfree(mtd->name);
-+		mtd->name = NULL;
-+		return -EIO;
-+	}
-+
-+	return 0;
-+}
-+
-+static int goldfish_nand_probe(struct platform_device *pdev)
-+{
-+	uint32_t num_dev;
-+	int i;
-+	int err;
-+	uint32_t num_dev_working;
-+	uint32_t version;
-+	struct resource *r;
-+	struct goldfish_nand *nand;
-+	unsigned char __iomem  *base;
-+
-+	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+	if(r == NULL) {
-+		err = -ENODEV;
-+		goto err_no_io_base;
-+	}
-+
-+	base = ioremap(r->start, PAGE_SIZE);
-+	if(base == NULL) {
-+		err = -ENOMEM;
-+		goto err_ioremap;
-+	}
-+	version = readl(base + NAND_VERSION);
-+	if(version != NAND_VERSION_CURRENT) {
-+		printk("goldfish_nand_init: version mismatch, got %d, expected %d\n",
-+		       version, NAND_VERSION_CURRENT);
-+		err = -ENODEV;
-+		goto err_no_dev;
-+	}
-+	num_dev = readl(base + NAND_NUM_DEV);
-+	if(num_dev == 0) {
-+		err = -ENODEV;
-+		goto err_no_dev;
-+	}
-+
-+	nand = kzalloc(sizeof(*nand) + sizeof(struct mtd_info) * num_dev, GFP_KERNEL);
-+	if(nand == NULL) {
-+		err = -ENOMEM;
-+		goto err_nand_alloc_failed;
-+	}
-+	spin_lock_init(&nand->lock);
-+	nand->base = base;
-+	nand->mtd_count = num_dev;
-+	platform_set_drvdata(pdev, nand);
-+
-+	num_dev_working = 0;
-+	for(i = 0; i < num_dev; i++) {
-+		err = goldfish_nand_init_device(nand, i);
-+		if(err == 0)
-+			num_dev_working++;
-+	}
-+	if(num_dev_working == 0) {
-+		err = -ENODEV;
-+		goto err_no_working_dev;
-+	}
-+	return 0;
-+
-+err_no_working_dev:
-+	kfree(nand);
-+err_nand_alloc_failed:
-+err_no_dev:
-+	iounmap(base);
-+err_ioremap:
-+err_no_io_base:
-+	return err;
-+}
-+
-+static int goldfish_nand_remove(struct platform_device *pdev)
-+{
-+	struct goldfish_nand *nand = platform_get_drvdata(pdev);
-+	int i;
-+	for(i = 0; i < nand->mtd_count; i++) {
-+		if(nand->mtd[i].name) {
-+			del_mtd_device(&nand->mtd[i]);
-+			kfree(nand->mtd[i].name);
-+		}
-+	}
-+	iounmap(nand->base);
-+	kfree(nand);
-+	return 0;
-+}
-+
-+static struct platform_driver goldfish_nand_driver = {
-+	.probe		= goldfish_nand_probe,
-+	.remove		= goldfish_nand_remove,
-+	.driver = {
-+		.name = "goldfish_nand"
-+	}
-+};
-+
-+static int __init goldfish_nand_init(void)
-+{
-+	return platform_driver_register(&goldfish_nand_driver);
-+}
-+
-+static void __exit goldfish_nand_exit(void)
-+{
-+	platform_driver_unregister(&goldfish_nand_driver);
-+}
-+
-+
-+module_init(goldfish_nand_init);
-+module_exit(goldfish_nand_exit);
-+
---- /dev/null
-+++ b/drivers/mtd/devices/goldfish_nand_reg.h
-@@ -0,0 +1,58 @@
-+/* drivers/mtd/devices/goldfish_nand_reg.h
-+**
-+** Copyright (C) 2007 Google, Inc.
-+**
-+** This software is licensed under the terms of the GNU General Public
-+** License version 2, as published by the Free Software Foundation, and
-+** may be copied, distributed, and modified under those terms.
-+**
-+** 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.
-+**
-+*/
-+
-+#ifndef GOLDFISH_NAND_REG_H
-+#define GOLDFISH_NAND_REG_H
-+
-+enum nand_cmd {
-+	NAND_CMD_GET_DEV_NAME,  // Write device name for NAND_DEV to NAND_DATA (vaddr)
-+	NAND_CMD_READ,
-+	NAND_CMD_WRITE,
-+	NAND_CMD_ERASE,
-+	NAND_CMD_BLOCK_BAD_GET, // NAND_RESULT is 1 if block is bad, 0 if it is not
-+	NAND_CMD_BLOCK_BAD_SET
-+};
-+
-+enum nand_dev_flags {
-+	NAND_DEV_FLAG_READ_ONLY = 0x00000001
-+};
-+
-+#define NAND_VERSION_CURRENT (1)
-+
-+enum nand_reg {
-+	// Global
-+	NAND_VERSION        = 0x000,
-+	NAND_NUM_DEV        = 0x004,
-+	NAND_DEV            = 0x008,
-+
-+	// Dev info
-+	NAND_DEV_FLAGS      = 0x010,
-+	NAND_DEV_NAME_LEN   = 0x014,
-+	NAND_DEV_PAGE_SIZE  = 0x018,
-+	NAND_DEV_EXTRA_SIZE = 0x01c,
-+	NAND_DEV_ERASE_SIZE = 0x020,
-+	NAND_DEV_SIZE_LOW   = 0x028,
-+	NAND_DEV_SIZE_HIGH  = 0x02c,
-+
-+	// Command
-+	NAND_RESULT         = 0x040,
-+	NAND_COMMAND        = 0x044,
-+	NAND_DATA           = 0x048,
-+	NAND_TRANSFER_SIZE  = 0x04c,
-+	NAND_ADDR_LOW       = 0x050,
-+	NAND_ADDR_HIGH      = 0x054,
-+};
-+
-+#endif