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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c26
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c50
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c39
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h2
5 files changed, 109 insertions, 10 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index f4eb683aa2d..272409c8061 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -146,7 +146,7 @@ static int iwl4965_load_bsm(struct iwl_priv *priv)
IWL_DEBUG_INFO(priv, "Begin load bsm\n");
- priv->ucode_type = UCODE_RT;
+ priv->ucode_type = UCODE_INIT;
/* make sure bootstrap program is no larger than BSM's SRAM size */
if (len > IWL49_MAX_BSM_SIZE)
@@ -256,6 +256,8 @@ static int iwl4965_set_ucode_ptrs(struct iwl_priv *priv)
*/
static void iwl4965_init_alive_start(struct iwl_priv *priv)
{
+ int ret;
+
/* Check alive response for "valid" sign from uCode */
if (priv->card_alive_init.is_valid != UCODE_VALID_OK) {
/* We had an error bringing up the hardware, so take it
@@ -287,6 +289,28 @@ static void iwl4965_init_alive_start(struct iwl_priv *priv)
IWL_DEBUG_INFO(priv, "Couldn't set up uCode pointers.\n");
goto restart;
}
+ priv->ucode_type = UCODE_RT;
+ if (test_bit(STATUS_RT_UCODE_ALIVE, &priv->status)) {
+ IWL_WARN(priv, "Runtime uCode already alive? "
+ "Waiting for alive anyway\n");
+ clear_bit(STATUS_RT_UCODE_ALIVE, &priv->status);
+ }
+ ret = wait_event_interruptible_timeout(
+ priv->wait_command_queue,
+ test_bit(STATUS_RT_UCODE_ALIVE, &priv->status),
+ UCODE_ALIVE_TIMEOUT);
+ if (!ret) {
+ /* FIXME: if STATUS_RT_UCODE_ALIVE timeout
+ * go back to restart the download Init uCode again
+ * this might cause to trap in the restart loop
+ */
+ priv->ucode_type = UCODE_NONE;
+ if (!test_bit(STATUS_RT_UCODE_ALIVE, &priv->status)) {
+ IWL_ERR(priv, "Runtime timeout after %dms\n",
+ jiffies_to_msecs(UCODE_ALIVE_TIMEOUT));
+ goto restart;
+ }
+ }
return;
restart:
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 6b874dab412..f61f653a1b7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -533,12 +533,16 @@ static void iwl_rx_reply_alive(struct iwl_priv *priv,
if (palive->ver_subtype == INITIALIZE_SUBTYPE) {
IWL_DEBUG_INFO(priv, "Initialization Alive received.\n");
+ set_bit(STATUS_INIT_UCODE_ALIVE, &priv->status);
+ wake_up_interruptible(&priv->wait_command_queue);
memcpy(&priv->card_alive_init,
&pkt->u.alive_frame,
sizeof(struct iwl_init_alive_resp));
pwork = &priv->init_alive_start;
} else {
IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
+ set_bit(STATUS_RT_UCODE_ALIVE, &priv->status);
+ wake_up_interruptible(&priv->wait_command_queue);
memcpy(&priv->card_alive, &pkt->u.alive_frame,
sizeof(struct iwl_alive_resp));
pwork = &priv->alive_start;
@@ -1782,6 +1786,7 @@ static int __iwl_up(struct iwl_priv *priv)
{
int i;
int ret;
+ unsigned long status;
if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
IWL_WARN(priv, "Exit pending; will not bring the NIC up\n");
@@ -1859,6 +1864,51 @@ static int __iwl_up(struct iwl_priv *priv)
/* start card; "initialize" will load runtime ucode */
iwl_nic_start(priv);
+ /* Just finish download Init or Runtime uCode image to device
+ * now we wait here for uCode send REPLY_ALIVE notification
+ * to indicate uCode is ready.
+ * 1) For Init uCode image, all iwlagn devices should wait here
+ * on STATUS_INIT_UCODE_ALIVE status bit; if timeout before
+ * receive the REPLY_ALIVE notification, go back and try to
+ * download the Init uCode image again.
+ * 2) For Runtime uCode image, all iwlagn devices except 4965
+ * wait here on STATUS_RT_UCODE_ALIVE status bit; if
+ * timeout before receive the REPLY_ALIVE notification, go back
+ * and download the Runtime uCode image again.
+ * 3) For 4965 Runtime uCode, it will not go through this path,
+ * need to wait for STATUS_RT_UCODE_ALIVE status bit in
+ * iwl4965_init_alive_start() function; if timeout, need to
+ * restart and download Init uCode image.
+ */
+ if (priv->ucode_type == UCODE_INIT)
+ status = STATUS_INIT_UCODE_ALIVE;
+ else
+ status = STATUS_RT_UCODE_ALIVE;
+ if (test_bit(status, &priv->status)) {
+ IWL_WARN(priv,
+ "%s uCode already alive? "
+ "Waiting for alive anyway\n",
+ (status == STATUS_INIT_UCODE_ALIVE)
+ ? "INIT" : "Runtime");
+ clear_bit(status, &priv->status);
+ }
+ ret = wait_event_interruptible_timeout(
+ priv->wait_command_queue,
+ test_bit(status, &priv->status),
+ UCODE_ALIVE_TIMEOUT);
+ if (!ret) {
+ if (!test_bit(status, &priv->status)) {
+ priv->ucode_type =
+ (status == STATUS_INIT_UCODE_ALIVE)
+ ? UCODE_NONE : UCODE_INIT;
+ IWL_ERR(priv,
+ "%s timeout after %dms\n",
+ (status == STATUS_INIT_UCODE_ALIVE)
+ ? "INIT" : "Runtime",
+ jiffies_to_msecs(UCODE_ALIVE_TIMEOUT));
+ continue;
+ }
+ }
IWL_DEBUG_INFO(priv, DRV_NAME " is coming up\n");
return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index b82480a5178..8655e092fca 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1341,10 +1341,17 @@ static void iwl_dump_nic_error_log(struct iwl_priv *priv)
u32 desc, time, count, base, data1;
u32 blink1, blink2, ilink1, ilink2;
- if (priv->ucode_type == UCODE_INIT)
- base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
- else
+ switch (priv->ucode_type) {
+ case UCODE_RT:
base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
+ break;
+ case UCODE_INIT:
+ base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
+ break;
+ default:
+ IWL_ERR(priv, "uCode image not available\n");
+ return;
+ }
if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
IWL_ERR(priv, "Not valid error log pointer 0x%08X\n", base);
@@ -1396,10 +1403,17 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
if (num_events == 0)
return;
- if (priv->ucode_type == UCODE_INIT)
- base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
- else
+ switch (priv->ucode_type) {
+ case UCODE_RT:
base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+ break;
+ case UCODE_INIT:
+ base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
+ break;
+ default:
+ IWL_ERR(priv, "uCode image not available\n");
+ return;
+ }
if (mode == 0)
event_size = 2 * sizeof(u32);
@@ -1436,10 +1450,17 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv)
u32 next_entry; /* index of next entry to be written by uCode */
u32 size; /* # entries that we'll print */
- if (priv->ucode_type == UCODE_INIT)
- base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
- else
+ switch (priv->ucode_type) {
+ case UCODE_RT:
base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+ break;
+ case UCODE_INIT:
+ base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
+ break;
+ default:
+ IWL_ERR(priv, "uCode image not available\n");
+ return;
+ }
if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index c844fab95ab..a697b843863 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -512,6 +512,8 @@ void iwlcore_free_geos(struct iwl_priv *priv);
#define STATUS_POWER_PMI 16
#define STATUS_FW_ERROR 17
#define STATUS_MODE_PENDING 18
+#define STATUS_INIT_UCODE_ALIVE 19
+#define STATUS_RT_UCODE_ALIVE 20
static inline int iwl_is_ready(struct iwl_priv *priv)
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index f4afd0c3265..926df3ae241 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -772,6 +772,8 @@ struct iwl_calib_result {
size_t buf_len;
};
+#define UCODE_ALIVE_TIMEOUT (5 * HZ)
+
enum ucode_type {
UCODE_NONE = 0,
UCODE_INIT,
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-05 14:59:28 +0000