|
|
@@ -1,166 +0,0 @@
|
|
|
-/******************************************************************************
|
|
|
- *
|
|
|
- * GPL LICENSE SUMMARY
|
|
|
- *
|
|
|
- * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
|
|
|
- *
|
|
|
- * This program is free software; you can redistribute it and/or modify
|
|
|
- * it under the terms of version 2 of the GNU General Public License as
|
|
|
- * published by the Free Software Foundation.
|
|
|
- *
|
|
|
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
|
|
|
- * USA
|
|
|
- *
|
|
|
- * The full GNU General Public License is included in this distribution
|
|
|
- * in the file called LICENSE.GPL.
|
|
|
- *
|
|
|
- * Contact Information:
|
|
|
- * Intel Linux Wireless <ilw@linux.intel.com>
|
|
|
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
|
|
- *
|
|
|
- *****************************************************************************/
|
|
|
-
|
|
|
-#include <linux/kernel.h>
|
|
|
-#include <linux/module.h>
|
|
|
-#include <linux/init.h>
|
|
|
-#include <linux/sched.h>
|
|
|
-
|
|
|
-#include "iwl-dev.h"
|
|
|
-#include "iwl-core.h"
|
|
|
-#include "iwl-io.h"
|
|
|
-#include "iwl-helpers.h"
|
|
|
-#include "iwl-4965-hw.h"
|
|
|
-#include "iwl-4965.h"
|
|
|
-#include "iwl-4965-calib.h"
|
|
|
-
|
|
|
-#define IL_AC_UNSET -1
|
|
|
-
|
|
|
-/**
|
|
|
- * il_verify_inst_sparse - verify runtime uCode image in card vs. host,
|
|
|
- * using sample data 100 bytes apart. If these sample points are good,
|
|
|
- * it's a pretty good bet that everything between them is good, too.
|
|
|
- */
|
|
|
-static int
|
|
|
-il4965_verify_inst_sparse(struct il_priv *il, __le32 *image, u32 len)
|
|
|
-{
|
|
|
- u32 val;
|
|
|
- int ret = 0;
|
|
|
- u32 errcnt = 0;
|
|
|
- u32 i;
|
|
|
-
|
|
|
- D_INFO("ucode inst image size is %u\n", len);
|
|
|
-
|
|
|
- for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
|
|
|
- /* read data comes through single port, auto-incr addr */
|
|
|
- /* NOTE: Use the debugless read so we don't flood kernel log
|
|
|
- * if IL_DL_IO is set */
|
|
|
- il_wr(il, HBUS_TARG_MEM_RADDR,
|
|
|
- i + IL4965_RTC_INST_LOWER_BOUND);
|
|
|
- val = _il_rd(il, HBUS_TARG_MEM_RDAT);
|
|
|
- if (val != le32_to_cpu(*image)) {
|
|
|
- ret = -EIO;
|
|
|
- errcnt++;
|
|
|
- if (errcnt >= 3)
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return ret;
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * il4965_verify_inst_full - verify runtime uCode image in card vs. host,
|
|
|
- * looking at all data.
|
|
|
- */
|
|
|
-static int il4965_verify_inst_full(struct il_priv *il, __le32 *image,
|
|
|
- u32 len)
|
|
|
-{
|
|
|
- u32 val;
|
|
|
- u32 save_len = len;
|
|
|
- int ret = 0;
|
|
|
- u32 errcnt;
|
|
|
-
|
|
|
- D_INFO("ucode inst image size is %u\n", len);
|
|
|
-
|
|
|
- il_wr(il, HBUS_TARG_MEM_RADDR,
|
|
|
- IL4965_RTC_INST_LOWER_BOUND);
|
|
|
-
|
|
|
- errcnt = 0;
|
|
|
- for (; len > 0; len -= sizeof(u32), image++) {
|
|
|
- /* read data comes through single port, auto-incr addr */
|
|
|
- /* NOTE: Use the debugless read so we don't flood kernel log
|
|
|
- * if IL_DL_IO is set */
|
|
|
- val = _il_rd(il, HBUS_TARG_MEM_RDAT);
|
|
|
- if (val != le32_to_cpu(*image)) {
|
|
|
- IL_ERR("uCode INST section is invalid at "
|
|
|
- "offset 0x%x, is 0x%x, s/b 0x%x\n",
|
|
|
- save_len - len, val, le32_to_cpu(*image));
|
|
|
- ret = -EIO;
|
|
|
- errcnt++;
|
|
|
- if (errcnt >= 20)
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (!errcnt)
|
|
|
- D_INFO(
|
|
|
- "ucode image in INSTRUCTION memory is good\n");
|
|
|
-
|
|
|
- return ret;
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * il4965_verify_ucode - determine which instruction image is in SRAM,
|
|
|
- * and verify its contents
|
|
|
- */
|
|
|
-int il4965_verify_ucode(struct il_priv *il)
|
|
|
-{
|
|
|
- __le32 *image;
|
|
|
- u32 len;
|
|
|
- int ret;
|
|
|
-
|
|
|
- /* Try bootstrap */
|
|
|
- image = (__le32 *)il->ucode_boot.v_addr;
|
|
|
- len = il->ucode_boot.len;
|
|
|
- ret = il4965_verify_inst_sparse(il, image, len);
|
|
|
- if (!ret) {
|
|
|
- D_INFO("Bootstrap uCode is good in inst SRAM\n");
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- /* Try initialize */
|
|
|
- image = (__le32 *)il->ucode_init.v_addr;
|
|
|
- len = il->ucode_init.len;
|
|
|
- ret = il4965_verify_inst_sparse(il, image, len);
|
|
|
- if (!ret) {
|
|
|
- D_INFO("Initialize uCode is good in inst SRAM\n");
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- /* Try runtime/protocol */
|
|
|
- image = (__le32 *)il->ucode_code.v_addr;
|
|
|
- len = il->ucode_code.len;
|
|
|
- ret = il4965_verify_inst_sparse(il, image, len);
|
|
|
- if (!ret) {
|
|
|
- D_INFO("Runtime uCode is good in inst SRAM\n");
|
|
|
- return 0;
|
|
|
- }
|
|
|
-
|
|
|
- IL_ERR("NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n");
|
|
|
-
|
|
|
- /* Since nothing seems to match, show first several data entries in
|
|
|
- * instruction SRAM, so maybe visual inspection will give a clue.
|
|
|
- * Selection of bootstrap image (vs. other images) is arbitrary. */
|
|
|
- image = (__le32 *)il->ucode_boot.v_addr;
|
|
|
- len = il->ucode_boot.len;
|
|
|
- ret = il4965_verify_inst_full(il, image, len);
|
|
|
-
|
|
|
- return ret;
|
|
|
-}
|
Stanislaw Gruszka