ifxmips: fold files/drivers/* into patches

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18082 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 285 insertions, 3 deletions

diff --git a/target/linux/ifxmips/patches-2.6.30/140-mtd.patch b/target/linux/ifxmips/patches-2.6.30/140-mtd.patch
index 55d4f897a..797a11cff 100644
--- a/target/linux/ifxmips/patches-2.6.30/140-mtd.patch
+++ b/target/linux/ifxmips/patches-2.6.30/140-mtd.patch
@@ -1,9 +1,291 @@
-Index: linux-2.6.30.5/drivers/mtd/maps/Makefile
+Index: linux-2.6.30.8/drivers/mtd/maps/Makefile
 ===================================================================
---- linux-2.6.30.5.orig/drivers/mtd/maps/Makefile	2009-08-16 23:19:38.000000000 +0200
-+++ linux-2.6.30.5/drivers/mtd/maps/Makefile	2009-09-02 18:30:09.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/mtd/maps/Makefile	2009-09-24 17:28:02.000000000 +0200
++++ linux-2.6.30.8/drivers/mtd/maps/Makefile	2009-10-19 21:31:32.000000000 +0200
 @@ -62,3 +62,4 @@
  obj-$(CONFIG_MTD_BFIN_ASYNC)	+= bfin-async-flash.o
  obj-$(CONFIG_MTD_RBTX4939)	+= rbtx4939-flash.o
  obj-$(CONFIG_MTD_VMU)		+= vmu-flash.o
 +obj-$(CONFIG_MTD_IFXMIPS)  += ifxmips.o
+Index: linux-2.6.30.8/drivers/mtd/maps/ifxmips.c
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.30.8/drivers/mtd/maps/ifxmips.c	2009-10-19 21:40:44.000000000 +0200
+@@ -0,0 +1,277 @@
++/*
++ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
++ *
++ * Copyright (C) 2004 Liu Peng Infineon IFAP DC COM CPE
++ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
++ */
++
++#include <linux/module.h>
++#include <linux/types.h>
++#include <linux/kernel.h>
++#include <linux/io.h>
++#include <linux/init.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/map.h>
++#include <linux/mtd/partitions.h>
++#include <linux/mtd/cfi.h>
++#include <linux/magic.h>
++#include <linux/platform_device.h>
++
++#include <ifxmips.h>
++#include <ifxmips_prom.h>
++#include <ifxmips_ebu.h>
++
++#ifndef CONFIG_MTD_PARTITIONS
++#error Please enable CONFIG_MTD_PARTITIONS
++#endif
++
++static struct map_info ifxmips_map = {
++	.name = "ifx-nor",
++	.bankwidth = 2,
++	.size = 0x400000,
++};
++
++static map_word ifxmips_read16(struct map_info *map, unsigned long adr)
++{
++	unsigned long flags;
++	map_word temp;
++	spin_lock_irqsave(&ebu_lock, flags);
++	adr ^= 2;
++	temp.x[0] = *((__u16 *)(map->virt + adr));
++	spin_unlock_irqrestore(&ebu_lock, flags);
++	return temp;
++}
++
++static void ifxmips_write16(struct map_info *map, map_word d, unsigned long adr)
++{
++	unsigned long flags;
++	spin_lock_irqsave(&ebu_lock, flags);
++	adr ^= 2;
++	*((__u16 *)(map->virt + adr)) = d.x[0];
++	spin_unlock_irqrestore(&ebu_lock, flags);
++}
++
++void ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
++{
++	unsigned char *p;
++	unsigned char *to_8;
++	unsigned long flags;
++	spin_lock_irqsave(&ebu_lock, flags);
++	from = (unsigned long)(from + map->virt);
++	p = (unsigned char *) from;
++	to_8 = (unsigned char *) to;
++	while (len--)
++		*to_8++ = *p++;
++	spin_unlock_irqrestore(&ebu_lock, flags);
++}
++
++void ifxmips_copy_to(struct map_info *map,
++		     unsigned long to,
++		     const void *from,
++		     ssize_t len)
++{
++	unsigned char *p =  (unsigned char *)from;
++	unsigned char *to_8;
++	unsigned long flags;
++	spin_lock_irqsave(&ebu_lock, flags);
++	to += (unsigned long) map->virt;
++	to_8 = (unsigned char *)to;
++	while (len--)
++		*p++ = *to_8++;
++	spin_unlock_irqrestore(&ebu_lock, flags);
++}
++
++static struct mtd_partition ifxmips_partitions[] = {
++	{
++		.name = "uboot",
++		.offset = 0x00000000,
++		.size = 0x00020000,
++	},
++	{
++		.name = "uboot_env",
++		.offset = 0x00020000,
++		.size = 0x00010000,
++	},
++	{
++		.name = "kernel",
++		.offset = 0x00030000,
++		.size = 0x0,
++	},
++	{
++		.name = "rootfs",
++		.offset = 0x0,
++		.size = 0x0,
++	},
++	{
++		.name = "board_config",
++		.offset = 0x0,
++		.size = 0x0,
++	},
++};
++
++static struct mtd_partition ifxmips_meta_partition = {
++	.name = "linux",
++	.offset = 0x00030000,
++	.size = 0x0,
++};
++
++static const char *part_probe_types[] = { "cmdlinepart", NULL };
++
++int find_uImage_size(unsigned long start_offset)
++{
++	unsigned long magic;
++	unsigned long temp;
++	ifxmips_copy_from(&ifxmips_map, &magic, start_offset, 4);
++	if (le32_to_cpu(magic) != 0x56190527) {
++		printk(KERN_INFO "ifxmips_mtd: invalid magic (0x%08X) of kernel at 0x%08lx \n", le32_to_cpu(magic), start_offset);
++		return 0;
++	}
++	ifxmips_copy_from(&ifxmips_map, &temp, start_offset + 12, 4);
++	printk(KERN_INFO "ifxmips_mtd: kernel size is %ld \n", temp + 0x40);
++	return temp + 0x40;
++}
++
++int find_brn_block(unsigned long start_offset)
++{
++	unsigned char temp[9];
++	ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 8);
++	temp[8] = '\0';
++	printk(KERN_INFO "data in brn block %s\n", temp);
++	if (memcmp(temp, "BRN-BOOT", 8) == 0)
++		return 1;
++	else
++		return 0;
++}
++
++int detect_squashfs_partition(unsigned long start_offset)
++{
++	unsigned long temp;
++	ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 4);
++	return le32_to_cpu(temp) == SQUASHFS_MAGIC;
++}
++
++static int ifxmips_mtd_probe(struct platform_device *dev)
++{
++	struct mtd_info *ifxmips_mtd = NULL;
++	struct mtd_partition *parts = NULL;
++	unsigned long uimage_size;
++	int err, i;
++	int kernel_part = 2, rootfs_part = 3;
++	int num_parts = ARRAY_SIZE(ifxmips_partitions);
++
++	ifxmips_w32(0x1d7ff, IFXMIPS_EBU_BUSCON0);
++
++	ifxmips_map.read = ifxmips_read16;
++	ifxmips_map.write = ifxmips_write16;
++	ifxmips_map.copy_from = ifxmips_copy_from;
++	ifxmips_map.copy_to = ifxmips_copy_to;
++	ifxmips_map.phys = dev->resource->start;
++	ifxmips_map.size = dev->resource->end - ifxmips_map.phys + 1;
++	ifxmips_map.virt = ioremap_nocache(ifxmips_map.phys, ifxmips_map.size);
++
++	if (!ifxmips_map.virt) {
++		printk(KERN_WARNING "ifxmips_mtd: failed to ioremap!\n");
++		return -EIO;
++	}
++
++	ifxmips_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &ifxmips_map);
++	if (!ifxmips_mtd) {
++		iounmap(ifxmips_map.virt);
++		printk(KERN_WARNING "ifxmips_mtd: probing failed\n");
++		return -ENXIO;
++	}
++
++	ifxmips_mtd->owner = THIS_MODULE;
++
++	err = parse_mtd_partitions(ifxmips_mtd, part_probe_types, &parts, 0);
++	if (err > 0) {
++		printk(KERN_INFO "ifxmips_mtd: found %d partitions from cmdline\n", err);
++		num_parts = err;
++		kernel_part = 0;
++		rootfs_part = 0;
++		for (i = 0; i < num_parts; i++) {
++			if (strcmp(parts[i].name, "kernel") == 0)
++				kernel_part = i;
++			if (strcmp(parts[i].name, "rootfs") == 0)
++				rootfs_part = i;
++		}
++	} else {
++		parts = &ifxmips_partitions[0];
++	}
++
++	/* dynamic size detection only if rootfs-part follows kernel-part */
++	if (kernel_part+1 == rootfs_part) {
++		uimage_size = find_uImage_size(parts[kernel_part].offset);
++
++		if (detect_squashfs_partition(parts[kernel_part].offset + uimage_size)) {
++			printk(KERN_INFO "ifxmips_mtd: found a squashfs following the uImage\n");
++		} else {
++			uimage_size &= ~0xffff;
++			uimage_size += 0x10000;
++		}
++
++		parts[kernel_part].size = uimage_size;
++		parts[rootfs_part].offset = parts[kernel_part].offset + parts[kernel_part].size;
++		parts[rootfs_part].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - parts[rootfs_part].offset;
++
++		ifxmips_meta_partition.offset = parts[kernel_part].offset;
++		ifxmips_meta_partition.size = parts[kernel_part].size + parts[rootfs_part].size;
++	}
++
++	if (err <= 0) {
++		if (ifxmips_has_brn_block()) {
++			parts[3].size -= ifxmips_mtd->erasesize;
++			parts[4].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
++			parts[4].size = ifxmips_mtd->erasesize;
++		} else {
++			num_parts--;
++		}
++	}
++
++	add_mtd_partitions(ifxmips_mtd, parts, num_parts);
++	add_mtd_partitions(ifxmips_mtd, &ifxmips_meta_partition, 1);
++
++	printk(KERN_INFO "ifxmips_mtd: added %s flash with %dMB\n",
++		ifxmips_map.name, ((int)ifxmips_mtd->size) >> 20);
++	return 0;
++}
++
++static struct platform_driver ifxmips_mtd_driver = {
++	.probe = ifxmips_mtd_probe,
++	.driver = {
++		.name = "ifxmips_mtd",
++		.owner = THIS_MODULE,
++	},
++};
++
++int __init init_ifxmips_mtd(void)
++{
++	int ret = platform_driver_register(&ifxmips_mtd_driver);
++	if (ret)
++		printk(KERN_INFO "ifxmips_mtd: error registering platfom driver!");
++	return ret;
++}
++
++static void __exit cleanup_ifxmips_mtd(void)
++{
++	platform_driver_unregister(&ifxmips_mtd_driver);
++}
++
++module_init(init_ifxmips_mtd);
++module_exit(cleanup_ifxmips_mtd);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
++MODULE_DESCRIPTION("MTD map driver for IFXMIPS boards");