+++ /dev/null
-/*
- * Copyright (c) 2013 Qualcomm Atheros, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted (subject to the limitations in the
- * disclaimer below) provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the
- * distribution.
- *
- * * Neither the name of Qualcomm Atheros nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
- * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
- * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
- * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-/*************************************************************************/
-/* Copyright (c) 2008 Atheros Communications, Inc., All Rights Reserved */
-/* */
-/* Module Name : cmnos_rompatch.c */
-/* */
-/* Abstract */
-/* This file contains rom code patch mechanism, patch code is */
-/* offline generated, and replace the indirect table function as we */
-/* need to patch. */
-/* */
-/* NOTES */
-/* None */
-/* */
-/*************************************************************************/
-
-#include "sys_cfg.h"
-
-#include "athos_api.h"
-
-#if SYSTEM_MODULE_ROM_PATCH
-
-
-LOCAL BOOLEAN _patch_dump( struct rom_patch_st *patch);
-LOCAL BOOLEAN _read_rom_patch(struct rom_patch_st *patch);
-
-
-// the patch install entry
-void (*patch_start)(void);
-
-// the eep redirect addr
-struct eep_redir_addr patch_addr = {0x0, 0x0};
-
-
-LOCAL
-BOOLEAN _patch_dump( struct rom_patch_st *patch)
-{
-// A_PRINTF("\tCRC: 0x%04x\n\r", patch->crc16);
- A_PRINTF("\tsize: %d bytes\n\r", patch->len);
- A_PRINTF("\tld_addr: 0x%08x\n\r", (uint32_t)patch->ld_addr);
- A_PRINTF("\tfun_addr: 0x%08x\n\r", (uint32_t)patch->fun_addr);
-}
-
-
-
-LOCAL
-BOOLEAN _read_rom_patch(struct rom_patch_st *patch)
-{
- BOOLEAN retVal = FALSE;
- uint8_t *addr;
- uint16_t i;
- uint8_t *buf = ((uint8_t*)(patch)+(sizeof(struct rom_patch_st)-4)); //assign the patch code buffer, last 4 bytes is the data
-
- /*! assign the load address of the patch
- *
- * - convert the address to dport address 0x4exxxx or 0x5xxxxx
- */
- //addr = (uint32_t *)((patch->ld_addr&(~0xc00000))|(0x400000));
- addr = (uint8_t *)(patch->ld_addr);
- if( (uint32_t)addr < SYS_D_RAM_REGION_0_BASE || (uint32_t)addr >= (SYS_D_RAM_REGION_0_BASE + SYS_RAM_SZIE) )
- {
- A_PRINTF("!address should be dport in ram's address, 0x%08x\n\r", (uint32_t)addr);
- goto ERR_DONE;
- }
-
- _patch_dump(patch);
-
- A_PRINTF("copy %d bytes from 0x%08x to 0x%08x", patch->len, (uint32_t)buf, (uint32_t)addr);
- for(i=0; i<patch->len; i+=4) // word access
- {
- addr[i+3] = buf[i];
- addr[i+2] = buf[i+1];
- addr[i+1] = buf[i+2];
- addr[i] = buf[i+3];
- }
-
- retVal = TRUE;
-ERR_DONE:
- return retVal;
-
-}
-
-
-/*!
- * decode and parse the rompatch code
- *
- * addr: the buffer in ram stored the downloaded buffer
- */
-LOCAL
-BOOLEAN cmnos_romp_decode(uint32_t addr)
-{
- int i;
- BOOLEAN retVal = FALSE;
- struct rom_patch_st *patch;
- uint8_t *func_addr;
-
- A_PRINTF("[%s+]\n\r", __FUNCTION__ );
- {
- /*
- * check the integrity of the buffer
- */
- uint32_t *mData = (uint32_t *)addr;
- uint32_t CheckSum = 0;
-
- // size at here is a half-word based, divide by 2 set it to a word
- for(i=0; i<(patch_addr.size/2); i++, mData++)
- CheckSum = CheckSum ^ *mData;
-
- A_PRINTF("CheckSum: 0x%08x\n\r", CheckSum);
-
- if( CheckSum != 0 )
- goto ERR_DONE;
-
- /*********************************************/
-
- patch = (struct rom_patch_st *)addr;
-
- func_addr = (uint8_t *)patch->fun_addr;
-
- if( _read_rom_patch(patch) )
- {
- //A_PRINTF("\n\r patch to 0x%08x, func at 0x%08x\n\r", (uint32_t)patch->ld_addr, (uint32_t)func_addr);
-
- // the patch function entry, call install later
- patch_start = (void *)func_addr;
-
- // install the patch here
- //patch_start();
- }
- else
- {
- A_PRINTF("patch decode fail!\n\r");
- goto ERR_DONE;
- }
- }
-
- retVal = TRUE;
-
-ERR_DONE:
- A_PRINTF("[%s-]\n\r", __FUNCTION__ );
-
- return retVal;
- //
- // if crc checking is ok, move code the where it belong according to it's ld_addr
- //
-
-}
-
-
-/*!
- * install
- */
-LOCAL BOOLEAN cmnos_romp_install(void)
-{
- /* TBD: to be removed! */
-
- /*! call the patch function,
- *
- * - left the patch install did by the patch code,
- * so that we sould build the patch code with entry function is the install process
- * e.g void install_patch(void), which update the function table
- */
-
- //A_PRINTF("[%s+]\n\r", __FUNCTION__);
- patch_start();
- //A_PRINTF("[%s-]\n\r", __FUNCTION__);
-}
-
-/*!
- * download
- *
- * offset: the offset of the eeprom redirect header(offset, size)
- *
- */
-LOCAL BOOLEAN cmnos_romp_download(uint16_t offset)
-{
- BOOLEAN retVal = FALSE;
- uint16_t buf[2];
-
- uint16_t eep_start_ofst = EEPROM_START_OFFSET;
- uint16_t eep_end_ofst = EEPROM_END_OFFSET;
-
- A_PRINTF("[%s+]\n\r", __FUNCTION__ );
-
- /* TBD: to be removed! */
- /* read the patch from EEPROM, if there is an EEPROM exist and patch code stored inside */
-
- /*
- * 1. read the fixed offset address of 0xfc and find the exactly patch code is
- * 2. read the patch code from eeprom and write to buffer ram
- * ------------------- leave it to decode operation ------------------
- * 3. and check the integrity of it, if the integrity is ok, goto 4
- * 4. decode the patch pack and decode each patch code and write them to the RAM
- *
- */
-
- /*
- * read the eep redirect(offset, size) from the offset
- */
- if( RET_SUCCESS != A_EEP_READ(offset, sizeof(struct eep_redir_addr)/sizeof(uint16_t), buf) )
- goto ERR_DONE;
-
- A_PRINTF("patch.offset: 0x%04x, patch.size : 0x%04x\n\r", buf[0], buf[1]);
-
- patch_addr.offset = buf[0];
- patch_addr.size = buf[1];
-
- // ATHR : 0x41544852, ((uint32_t)patch_addr == 0x41544852) ||
- // size == 0, offset > 0x3fff or offset < 0x2000, eeprom offset is between 0x2000~0x3fff
- if( (patch_addr.size == 0x0) ||(patch_addr.offset < eep_start_ofst ) \
- || (patch_addr.offset > eep_end_ofst) || ((patch_addr.offset+patch_addr.size) > eep_end_ofst))
- goto ERR_DONE;
-
- // read the patch code to ROM_PATCH_BUF_ADDR: 0x51E000,
- A_EEP_READ(patch_addr.offset, patch_addr.size, (uint16_t *)ROM_PATCH_BUF_ADDR);
-
- if( A_ROMP_DECODE(ROM_PATCH_BUF_ADDR) )
- {
- A_ROMP_INSTALL();
- }
- else
- goto ERR_DONE;
-
- retVal = TRUE;
-ERR_DONE:
- A_PRINTF("[%s-]\n\r", __FUNCTION__ );
- return retVal;
-
-}
-
-/*!
- * init
- */
-LOCAL void cmnos_romp_init(void)
-{
- /* TBD: to be removed! */
- //A_PRINTF("CMNOS_ROMP_INIT!\n\r");
-}
-
-void
-cmnos_romp_module_install(struct romp_api *tbl)
-{
- tbl->_romp_init = cmnos_romp_init;
- tbl->_romp_download = cmnos_romp_download;
- tbl->_romp_install = cmnos_romp_install;
- tbl->_romp_decode = cmnos_romp_decode;
-
-}
-
-#endif
projects / open-ath9k-htc-firmware.git / blobdiff