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authorhauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-07-19 20:25:20 +0000
committerhauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-07-19 20:25:20 +0000
commit9fe2a2d5546fe9370eb9c977d0816dc32e31d461 (patch)
treed5497947876a46c2d56f2f702552f5f0b942ce0f /target/linux/brcm47xx/files/arch
parent03685da10dba687075810931c495f38abac9ba8c (diff)
brcm47xx: prepare brcm47xx patches for sending to mainline.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22296 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/files/arch')
-rw-r--r--target/linux/brcm47xx/files/arch/mips/bcm47xx/cfe_env.c229
-rw-r--r--target/linux/brcm47xx/files/arch/mips/bcm47xx/include/nvram.h37
-rw-r--r--target/linux/brcm47xx/files/arch/mips/bcm47xx/nvram.c125
-rw-r--r--target/linux/brcm47xx/files/arch/mips/include/asm/mach-bcm47xx/kernel-entry-init.h26
4 files changed, 0 insertions, 417 deletions
diff --git a/target/linux/brcm47xx/files/arch/mips/bcm47xx/cfe_env.c b/target/linux/brcm47xx/files/arch/mips/bcm47xx/cfe_env.c
deleted file mode 100644
index c1d5eeef5..000000000
--- a/target/linux/brcm47xx/files/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/arch/mips/bcm47xx/include/nvram.h b/target/linux/brcm47xx/files/arch/mips/bcm47xx/include/nvram.h
deleted file mode 100644
index 6bb18e8e5..000000000
--- a/target/linux/brcm47xx/files/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/arch/mips/bcm47xx/nvram.c b/target/linux/brcm47xx/files/arch/mips/bcm47xx/nvram.c
deleted file mode 100644
index 3f32ad9d6..000000000
--- a/target/linux/brcm47xx/files/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);
diff --git a/target/linux/brcm47xx/files/arch/mips/include/asm/mach-bcm47xx/kernel-entry-init.h b/target/linux/brcm47xx/files/arch/mips/include/asm/mach-bcm47xx/kernel-entry-init.h
deleted file mode 100644
index 7df0dc2b5..000000000
--- a/target/linux/brcm47xx/files/arch/mips/include/asm/mach-bcm47xx/kernel-entry-init.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2005 Embedded Alley Solutions, Inc
- * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
- * Copyright (C) 2006 Michael Buesch
- */
-#ifndef __ASM_MACH_GENERIC_KERNEL_ENTRY_H
-#define __ASM_MACH_GENERIC_KERNEL_ENTRY_H
-
-/* Intentionally empty macro, used in head.S. Override in
- * arch/mips/mach-xxx/kernel-entry-init.h when necessary.
- */
- .macro kernel_entry_setup
- .endm
-
-/*
- * Do SMP slave processor setup necessary before we can savely execute C code.
- */
- .macro smp_slave_setup
- .endm
-
-
-#endif /* __ASM_MACH_GENERIC_KERNEL_ENTRY_H */