[lantiq] adds new lantiq kernel. once the codebase is fully tested and know to be working on all the devices previously supported by ifxmips, we will drop ifxmips support.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24526 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 245 insertions, 0 deletions

diff --git a/target/linux/lantiq/patches/210-nor.patch b/target/linux/lantiq/patches/210-nor.patch
new file mode 100644
index 0000000000..510ac6bdf3
--- /dev/null
+++ b/target/linux/lantiq/patches/210-nor.patch
@@ -0,0 +1,245 @@
+--- a/drivers/mtd/maps/Kconfig
++++ b/drivers/mtd/maps/Kconfig
+@@ -251,6 +251,12 @@
+ 	help
+ 	  Support for flash chips on NETtel/SecureEdge/SnapGear boards.
+ 
++config MTD_LANTIQ
++	bool "Lantiq SoC NOR support"
++	depends on LANTIQ && MTD_PARTITIONS
++	help
++	  Support for NOR flsh chips on Lantiq SoC
++
+ config MTD_DILNETPC
+ 	tristate "CFI Flash device mapped on DIL/Net PC"
+ 	depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN
+--- a/drivers/mtd/maps/Makefile
++++ b/drivers/mtd/maps/Makefile
+@@ -59,3 +59,4 @@
+ obj-$(CONFIG_MTD_RBTX4939)	+= rbtx4939-flash.o
+ obj-$(CONFIG_MTD_VMU)		+= vmu-flash.o
+ obj-$(CONFIG_MTD_GPIO_ADDR)	+= gpio-addr-flash.o
++obj-$(CONFIG_MTD_LANTIQ)  += lantiq.o
+--- /dev/null
++++ b/drivers/mtd/maps/lantiq.c
+@@ -0,0 +1,169 @@
++/*
++ *  This program is free software; you can redistribute it and/or modify it
++ *  under the terms of the GNU General Public License version 2 as published
++ *  by the Free Software Foundation.
++ *
++ *  Copyright (C) 2004 Liu Peng Infineon IFAP DC COM CPE
++ *  Copyright (C) 2010 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 <linux/mtd/physmap.h>
++
++#include <lantiq.h>
++#include <lantiq_platform.h>
++
++static map_word
++lq_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
++lq_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
++lq_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
++lq_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 const char *part_probe_types[] = { "cmdlinepart", NULL };
++
++static struct map_info lq_map = {
++	.name = "lq_nor",
++	.bankwidth = 2,
++	.read = lq_read16,
++	.write = lq_write16,
++	.copy_from = lq_copy_from,
++	.copy_to = lq_copy_to,
++};
++
++static int
++lq_mtd_probe(struct platform_device *pdev)
++{
++	struct physmap_flash_data *lq_mtd_data =
++		(struct physmap_flash_data*) dev_get_platdata(&pdev->dev);
++	struct mtd_info *lq_mtd = NULL;
++	struct mtd_partition *parts = NULL;
++	struct resource *res = 0;
++	int nr_parts = 0;
++
++#ifdef CONFIG_SOC_LANTIQ_XWAY
++	lq_w32(lq_r32(LQ_EBU_BUSCON0) & ~EBU_WRDIS, LQ_EBU_BUSCON0);
++#endif
++
++	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++	if(!res)
++	{
++		dev_err(&pdev->dev, "failed to get memory resource");
++		return -ENOENT;
++	}
++	res = request_mem_region(res->start, resource_size(res),
++		dev_name(&pdev->dev));
++	if(!res)
++	{
++		dev_err(&pdev->dev, "failed to request mem resource");
++		return -EBUSY;
++	}
++
++	lq_map.phys = res->start;
++	lq_map.size = resource_size(res);
++	lq_map.virt = ioremap_nocache(lq_map.phys, lq_map.size);
++
++	if (!lq_map.virt ) {
++		dev_err(&pdev->dev, "failed to ioremap!\n");
++		return -EIO;
++	}
++
++	lq_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &lq_map);
++	if (!lq_mtd) {
++		iounmap(lq_map.virt);
++		dev_err(&pdev->dev, "probing failed\n");
++		return -ENXIO;
++	}
++
++	lq_mtd->owner = THIS_MODULE;
++
++	nr_parts = parse_mtd_partitions(lq_mtd, part_probe_types, &parts, 0);
++	if (nr_parts > 0) {
++		dev_info(&pdev->dev, "using %d partitions from cmdline", nr_parts);
++	} else {
++		nr_parts = lq_mtd_data->nr_parts;
++		parts = lq_mtd_data->parts;
++	}
++
++	add_mtd_partitions(lq_mtd, parts, nr_parts);
++	return 0;
++}
++
++static struct platform_driver lq_mtd_driver = {
++	.probe = lq_mtd_probe,
++	.driver = {
++		.name = "lq_nor",
++		.owner = THIS_MODULE,
++	},
++};
++
++int __init
++init_lq_mtd(void)
++{
++	int ret = platform_driver_register(&lq_mtd_driver);
++	if (ret)
++		printk(KERN_INFO "lq_nor: error registering platfom driver");
++	return ret;
++}
++
++module_init(init_lq_mtd);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
++MODULE_DESCRIPTION("Lantiq SoC NOR");
+--- a/drivers/mtd/chips/cfi_cmdset_0001.c
++++ b/drivers/mtd/chips/cfi_cmdset_0001.c
+@@ -41,7 +41,11 @@
+ /* #define CMDSET0001_DISABLE_WRITE_SUSPEND */
+ 
+ // debugging, turns off buffer write mode if set to 1
+-#define FORCE_WORD_WRITE 0
++#ifdef CONFIG_LANTIQ
++#  define FORCE_WORD_WRITE 1
++#else
++#  define FORCE_WORD_WRITE 0
++#endif
+ 
+ /* Intel chips */
+ #define I82802AB	0x00ad
+@@ -1491,6 +1495,9 @@
+ 	int ret=0;
+ 
+ 	adr += chip->start;
++#ifdef CONFIG_LANTIQ
++	adr ^= 2;
++#endif
+ 
+ 	switch (mode) {
+ 	case FL_WRITING:
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -40,7 +40,11 @@
+ #include <linux/mtd/xip.h>
+ 
+ #define AMD_BOOTLOC_BUG
+-#define FORCE_WORD_WRITE 0
++#ifdef CONFIG_LANTIQ
++#  define FORCE_WORD_WRITE 1
++#else
++#  define FORCE_WORD_WRITE 0
++#endif
+ 
+ #define MAX_WORD_RETRIES 3
+ 
+@@ -1156,6 +1160,10 @@
+ 
+ 	adr += chip->start;
+ 
++#ifdef CONFIG_LANTIQ
++	adr ^= 2;
++#endif
++
+ 	mutex_lock(&chip->mutex);
+ 	ret = get_chip(map, chip, adr, FL_WRITING);
+ 	if (ret) {