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authorJohn W. Linville <linville@tuxdriver.com>2011-11-28 14:11:18 -0500
committerJohn W. Linville <linville@tuxdriver.com>2011-11-28 14:11:18 -0500
commit39338b56382ac640614851a80e0bd71994cc664d (patch)
treec319e23181be286b1d320c29f755a81e5ef61172 /drivers/net/wireless/iwlegacy/iwl-4965-ucode.c
parent8b7ff200010600ef7cd9d002f9f8f97edfc7578e (diff)
parenteb1852b10593dc3ca73e02bf9ac4753a5a464905 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-4965-ucode.c')
-rw-r--r--drivers/net/wireless/iwlegacy/iwl-4965-ucode.c166
1 files changed, 0 insertions, 166 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-ucode.c b/drivers/net/wireless/iwlegacy/iwl-4965-ucode.c
deleted file mode 100644
index 001d148feb9..00000000000
--- a/drivers/net/wireless/iwlegacy/iwl-4965-ucode.c
+++ /dev/null
@@ -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 IWL_AC_UNSET -1
-
-/**
- * iwl_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
-iwl4965_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len)
-{
- u32 val;
- int ret = 0;
- u32 errcnt = 0;
- u32 i;
-
- IWL_DEBUG_INFO(priv, "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 IWL_DL_IO is set */
- iwl_legacy_write_direct32(priv, HBUS_TARG_MEM_RADDR,
- i + IWL4965_RTC_INST_LOWER_BOUND);
- val = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- if (val != le32_to_cpu(*image)) {
- ret = -EIO;
- errcnt++;
- if (errcnt >= 3)
- break;
- }
- }
-
- return ret;
-}
-
-/**
- * iwl4965_verify_inst_full - verify runtime uCode image in card vs. host,
- * looking at all data.
- */
-static int iwl4965_verify_inst_full(struct iwl_priv *priv, __le32 *image,
- u32 len)
-{
- u32 val;
- u32 save_len = len;
- int ret = 0;
- u32 errcnt;
-
- IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
-
- iwl_legacy_write_direct32(priv, HBUS_TARG_MEM_RADDR,
- IWL4965_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 IWL_DL_IO is set */
- val = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- if (val != le32_to_cpu(*image)) {
- IWL_ERR(priv, "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)
- IWL_DEBUG_INFO(priv,
- "ucode image in INSTRUCTION memory is good\n");
-
- return ret;
-}
-
-/**
- * iwl4965_verify_ucode - determine which instruction image is in SRAM,
- * and verify its contents
- */
-int iwl4965_verify_ucode(struct iwl_priv *priv)
-{
- __le32 *image;
- u32 len;
- int ret;
-
- /* Try bootstrap */
- image = (__le32 *)priv->ucode_boot.v_addr;
- len = priv->ucode_boot.len;
- ret = iwl4965_verify_inst_sparse(priv, image, len);
- if (!ret) {
- IWL_DEBUG_INFO(priv, "Bootstrap uCode is good in inst SRAM\n");
- return 0;
- }
-
- /* Try initialize */
- image = (__le32 *)priv->ucode_init.v_addr;
- len = priv->ucode_init.len;
- ret = iwl4965_verify_inst_sparse(priv, image, len);
- if (!ret) {
- IWL_DEBUG_INFO(priv, "Initialize uCode is good in inst SRAM\n");
- return 0;
- }
-
- /* Try runtime/protocol */
- image = (__le32 *)priv->ucode_code.v_addr;
- len = priv->ucode_code.len;
- ret = iwl4965_verify_inst_sparse(priv, image, len);
- if (!ret) {
- IWL_DEBUG_INFO(priv, "Runtime uCode is good in inst SRAM\n");
- return 0;
- }
-
- IWL_ERR(priv, "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 *)priv->ucode_boot.v_addr;
- len = priv->ucode_boot.len;
- ret = iwl4965_verify_inst_full(priv, image, len);
-
- return ret;
-}