[brcm47xx] Port to kernel 2.6.30.

There is an error in the unlzma system in the kernel.
A lzma compressed squashfs filesystem does not work for me.
This should compile and works for me on my Asus WL-500GP, please test it on more systems.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16441 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 0 insertions, 391 deletions

diff --git a/target/linux/brcm47xx/files-2.6.28/arch/mips/bcm47xx/cfe_env.c b/target/linux/brcm47xx/files-2.6.28/arch/mips/bcm47xx/cfe_env.c
deleted file mode 100644
index c1d5eeef59..0000000000
--- a/target/linux/brcm47xx/files-2.6.28/arch/mips/bcm47xx/cfe_env.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * CFE environment variable access
- *
- * Copyright 2001-2003, Broadcom Corporation
- * Copyright 2006, Felix Fietkau <nbd@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.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
-#define NVRAM_SIZE       (0x1ff0)
-static char _nvdata[NVRAM_SIZE];
-static char _valuestr[256];
-
-/*
- * TLV types.  These codes are used in the "type-length-value"
- * encoding of the items stored in the NVRAM device (flash or EEPROM)
- *
- * The layout of the flash/nvram is as follows:
- *
- * <type> <length> <data ...> <type> <length> <data ...> <type_end>
- *
- * The type code of "ENV_TLV_TYPE_END" marks the end of the list.
- * The "length" field marks the length of the data section, not
- * including the type and length fields.
- *
- * Environment variables are stored as follows:
- *
- * <type_env> <length> <flags> <name> = <value>
- *
- * If bit 0 (low bit) is set, the length is an 8-bit value.
- * If bit 0 (low bit) is clear, the length is a 16-bit value
- * 
- * Bit 7 set indicates "user" TLVs.  In this case, bit 0 still
- * indicates the size of the length field.  
- *
- * Flags are from the constants below:
- *
- */
-#define ENV_LENGTH_16BITS	0x00	/* for low bit */
-#define ENV_LENGTH_8BITS	0x01
-
-#define ENV_TYPE_USER		0x80
-
-#define ENV_CODE_SYS(n,l) (((n)<<1)|(l))
-#define ENV_CODE_USER(n,l) ((((n)<<1)|(l)) | ENV_TYPE_USER)
-
-/*
- * The actual TLV types we support
- */
-
-#define ENV_TLV_TYPE_END	0x00	
-#define ENV_TLV_TYPE_ENV	ENV_CODE_SYS(0,ENV_LENGTH_8BITS)
-
-/*
- * Environment variable flags 
- */
-
-#define ENV_FLG_NORMAL		0x00	/* normal read/write */
-#define ENV_FLG_BUILTIN		0x01	/* builtin - not stored in flash */
-#define ENV_FLG_READONLY	0x02	/* read-only - cannot be changed */
-
-#define ENV_FLG_MASK		0xFF	/* mask of attributes we keep */
-#define ENV_FLG_ADMIN		0x100	/* lets us internally override permissions */
-
-
-/*  *********************************************************************
-    *  _nvram_read(buffer,offset,length)
-    *  
-    *  Read data from the NVRAM device
-    *  
-    *  Input parameters: 
-    *  	   buffer - destination buffer
-    *  	   offset - offset of data to read
-    *  	   length - number of bytes to read
-    *  	   
-    *  Return value:
-    *  	   number of bytes read, or <0 if error occured
-    ********************************************************************* */
-static int
-_nvram_read(unsigned char *nv_buf, unsigned char *buffer, int offset, int length)
-{
-    int i;
-    if (offset > NVRAM_SIZE)
-	return -1; 
-
-    for ( i = 0; i < length; i++) {
-	buffer[i] = ((volatile unsigned char*)nv_buf)[offset + i];
-    }
-    return length;
-}
-
-
-static char*
-_strnchr(const char *dest,int c,size_t cnt)
-{
-	while (*dest && (cnt > 0)) {
-	if (*dest == c) return (char *) dest;
-	dest++;
-	cnt--;
-	}
-	return NULL;
-}
-
-
-
-/*
- * Core support API: Externally visible.
- */
-
-/*
- * Get the value of an NVRAM variable
- * @param	name	name of variable to get
- * @return	value of variable or NULL if undefined
- */
-
-char* 
-cfe_env_get(unsigned char *nv_buf, char* name)
-{
-    int size;
-    unsigned char *buffer;
-    unsigned char *ptr;
-    unsigned char *envval;
-    unsigned int reclen;
-    unsigned int rectype;
-    int offset;
-    int flg;
-    
-	if (!strcmp(name, "nvram_type"))
-		return "cfe";
-	
-    size = NVRAM_SIZE;
-    buffer = &_nvdata[0];
-
-    ptr = buffer;
-    offset = 0;
-
-    /* Read the record type and length */
-    if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
-	goto error;
-    }
-    
-    while ((*ptr != ENV_TLV_TYPE_END)  && (size > 1)) {
-
-	/* Adjust pointer for TLV type */
-	rectype = *(ptr);
-	offset++;
-	size--;
-
-	/* 
-	 * Read the length.  It can be either 1 or 2 bytes
-	 * depending on the code 
-	 */
-	if (rectype & ENV_LENGTH_8BITS) {
-	    /* Read the record type and length - 8 bits */
-	    if (_nvram_read(nv_buf, ptr,offset,1) != 1) {
-		goto error;
-	    }
-	    reclen = *(ptr);
-	    size--;
-	    offset++;
-	}
-	else {
-	    /* Read the record type and length - 16 bits, MSB first */
-	    if (_nvram_read(nv_buf, ptr,offset,2) != 2) {
-		goto error;
-	    }
-	    reclen = (((unsigned int) *(ptr)) << 8) + (unsigned int) *(ptr+1);
-	    size -= 2;
-	    offset += 2;
-	}
-
-	if (reclen > size)
-	    break;	/* should not happen, bad NVRAM */
-
-	switch (rectype) {
-	    case ENV_TLV_TYPE_ENV:
-		/* Read the TLV data */
-		if (_nvram_read(nv_buf, ptr,offset,reclen) != reclen)
-		    goto error;
-		flg = *ptr++;
-		envval = (unsigned char *) _strnchr(ptr,'=',(reclen-1));
-		if (envval) {
-		    *envval++ = '\0';
-		    memcpy(_valuestr,envval,(reclen-1)-(envval-ptr));
-		    _valuestr[(reclen-1)-(envval-ptr)] = '\0';
-#if 0			
-		    printk(KERN_INFO "NVRAM:%s=%s\n", ptr, _valuestr);
-#endif
-		    if(!strcmp(ptr, name)){
-			return _valuestr;
-		    }
-		    if((strlen(ptr) > 1) && !strcmp(&ptr[1], name))
-			return _valuestr;
-		}
-		break;
-		
-	    default: 
-		/* Unknown TLV type, skip it. */
-		break;
-	    }
-
-	/*
-	 * Advance to next TLV 
-	 */
-		
-	size -= (int)reclen;
-	offset += reclen;
-
-	/* Read the next record type */
-	ptr = buffer;
-	if (_nvram_read(nv_buf, ptr,offset,1) != 1)
-	    goto error;
-	}
-
-error:
-    return NULL;
-
-}
-
diff --git a/target/linux/brcm47xx/files-2.6.28/arch/mips/bcm47xx/include/nvram.h b/target/linux/brcm47xx/files-2.6.28/arch/mips/bcm47xx/include/nvram.h
deleted file mode 100644
index 6bb18e8e5f..0000000000
--- a/target/linux/brcm47xx/files-2.6.28/arch/mips/bcm47xx/include/nvram.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- *  Copyright (C) 2006 Felix Fietkau <nbd@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.
- */
-
-#ifndef __NVRAM_H
-#define __NVRAM_H
-
-struct nvram_header {
-	u32 magic;
-	u32 len;
-	u32 crc_ver_init;	/* 0:7 crc, 8:15 ver, 16:31 sdram_init */
-	u32 config_refresh;	/* 0:15 sdram_config, 16:31 sdram_refresh */
-	u32 config_ncdl;	/* ncdl values for memc */
-};
-
-struct nvram_tuple {
-	char *name;
-	char *value;
-	struct nvram_tuple *next;
-};
-
-#define NVRAM_HEADER		0x48534C46	/* 'FLSH' */
-#define NVRAM_VERSION		1
-#define NVRAM_HEADER_SIZE	20
-#define NVRAM_SPACE		0x8000
-
-#define NVRAM_MAX_VALUE_LEN 255
-#define NVRAM_MAX_PARAM_LEN 64
-
-char *nvram_get(const char *name);
-
-#endif
diff --git a/target/linux/brcm47xx/files-2.6.28/arch/mips/bcm47xx/nvram.c b/target/linux/brcm47xx/files-2.6.28/arch/mips/bcm47xx/nvram.c
deleted file mode 100644
index 3f32ad9d6e..0000000000
--- a/target/linux/brcm47xx/files-2.6.28/arch/mips/bcm47xx/nvram.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * BCM947xx nvram variable access
- *
- * Copyright 2005, Broadcom Corporation
- * Copyright 2006, Felix Fietkau <nbd@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.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/ssb/ssb.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/slab.h>
-#include <asm/byteorder.h>
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
-#include <nvram.h>
-
-#define MB * 1048576
-extern struct ssb_bus ssb;
-
-static char nvram_buf[NVRAM_SPACE];
-static int cfe_env;
-extern char *cfe_env_get(char *nv_buf, const char *name);
-		
-/* Probe for NVRAM header */
-static void __init early_nvram_init(void)
-{
-	struct ssb_mipscore *mcore = &ssb.mipscore;
-	struct nvram_header *header;
-	int i;
-	u32 base, lim, off;
-	u32 *src, *dst;
-	
-	base = mcore->flash_window;
-	lim = mcore->flash_window_size;
-	cfe_env = 0;
-
-	
-	/* XXX: hack for supporting the CFE environment stuff on WGT634U */
-	if (lim >= 8 MB) {
-		src = (u32 *) KSEG1ADDR(base + 8 MB - 0x2000);
-		dst = (u32 *) nvram_buf;
-
-		if ((*src & 0xff00ff) == 0x000001) {
-			printk("early_nvram_init: WGT634U NVRAM found.\n");
-
-			for (i = 0; i < 0x1ff0; i++) {
-				if (*src == 0xFFFFFFFF)
-					break;
-				*dst++ = *src++;
-			}
-			cfe_env = 1;
-			return;
-		}
-	}
-
-	off = 0x20000;
-	while (off <= lim) {
-		/* Windowed flash access */
-		header = (struct nvram_header *) KSEG1ADDR(base + off - NVRAM_SPACE);
-		if (header->magic == NVRAM_HEADER)
-			goto found;
-		off <<= 1;
-	}
-
-	/* Try embedded NVRAM at 4 KB and 1 KB as last resorts */
-	header = (struct nvram_header *) KSEG1ADDR(base + 4096);
-	if (header->magic == NVRAM_HEADER)
-		goto found;
-	
-	header = (struct nvram_header *) KSEG1ADDR(base + 1024);
-	if (header->magic == NVRAM_HEADER)
-		goto found;
-	
-	return;
-
-found:
-	src = (u32 *) header;
-	dst = (u32 *) nvram_buf;
-	for (i = 0; i < sizeof(struct nvram_header); i += 4)
-		*dst++ = *src++;
-	for (; i < header->len && i < NVRAM_SPACE; i += 4)
-		*dst++ = le32_to_cpu(*src++);
-}
-
-char *nvram_get(const char *name)
-{
-	char *var, *value, *end, *eq;
-
-	if (!name)
-		return NULL;
-
-	if (!nvram_buf[0])
-		early_nvram_init();
-
-	if (cfe_env)
-		return cfe_env_get(nvram_buf, name);
-
-	/* Look for name=value and return value */
-	var = &nvram_buf[sizeof(struct nvram_header)];
-	end = nvram_buf + sizeof(nvram_buf) - 2;
-	end[0] = end[1] = '\0';
-	for (; *var; var = value + strlen(value) + 1) {
-		if (!(eq = strchr(var, '=')))
-			break;
-		value = eq + 1;
-		if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
-			return value;
-	}
-
-	return NULL;
-}
-
-EXPORT_SYMBOL(nvram_get);