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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2011-06-28 17:01:12 +0200
committerWey-Yi Guy <wey-yi.w.guy@intel.com>2011-07-01 16:58:08 +0200
commitf86af7ba82e3449e6ee957e0407cb6c683fa37db (patch)
treee3d040079505bbf0015a7ced85ce7bc212bda1a0 /drivers/net
parentiwlagn: move the tx allocation funcs to the transport layer (diff)
downloadlinux-f86af7ba82e3449e6ee957e0407cb6c683fa37db.tar.xz
linux-f86af7ba82e3449e6ee957e0407cb6c683fa37db.zip
iwlagn: scd memory boundary
Assign memory boundary for SCD context, tx status and translation table Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-ucode.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-prph.h19
2 files changed, 19 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
index de8277e32253..2043c8b3139b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c
@@ -386,11 +386,13 @@ static int iwlagn_alive_notify(struct iwl_priv *priv)
spin_lock_irqsave(&priv->lock, flags);
priv->scd_base_addr = iwl_read_prph(priv, IWLAGN_SCD_SRAM_BASE_ADDR);
- a = priv->scd_base_addr + IWLAGN_SCD_CONTEXT_DATA_OFFSET;
- for (; a < priv->scd_base_addr + IWLAGN_SCD_TX_STTS_BITMAP_OFFSET;
+ a = priv->scd_base_addr + IWLAGN_SCD_CONTEXT_MEM_LOWER_BOUND;
+ /* reset conext data memory */
+ for (; a < priv->scd_base_addr + IWLAGN_SCD_CONTEXT_MEM_UPPER_BOUND;
a += 4)
iwl_write_targ_mem(priv, a, 0);
- for (; a < priv->scd_base_addr + IWLAGN_SCD_TRANSLATE_TBL_OFFSET;
+ /* reset tx status memory */
+ for (; a < priv->scd_base_addr + IWLAGN_SCD_TX_STTS_MEM_UPPER_BOUND;
a += 4)
iwl_write_targ_mem(priv, a, 0);
for (; a < priv->scd_base_addr +
diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index f00d188b2cfc..1cc0ed1f488c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -168,6 +168,7 @@
* the scheduler (especially for queue #4/#9, the command queue, otherwise
* the driver can't issue commands!):
*/
+#define SCD_MEM_LOWER_BOUND (0x0000)
/**
* Max Tx window size is the max number of contiguous TFDs that the scheduler
@@ -197,15 +198,23 @@
#define IWLAGN_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS (16)
#define IWLAGN_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK (0x007F0000)
-#define IWLAGN_SCD_CONTEXT_DATA_OFFSET (0x600)
-#define IWLAGN_SCD_TX_STTS_BITMAP_OFFSET (0x7B1)
-#define IWLAGN_SCD_TRANSLATE_TBL_OFFSET (0x7E0)
+/* Context Data */
+#define IWLAGN_SCD_CONTEXT_MEM_LOWER_BOUND (SCD_MEM_LOWER_BOUND + 0x600)
+#define IWLAGN_SCD_CONTEXT_MEM_UPPER_BOUND (SCD_MEM_LOWER_BOUND + 0x6A0)
+
+/* Tx status */
+#define IWLAGN_SCD_TX_STTS_MEM_LOWER_BOUND (SCD_MEM_LOWER_BOUND + 0x6A0)
+#define IWLAGN_SCD_TX_STTS_MEM_UPPER_BOUND (SCD_MEM_LOWER_BOUND + 0x7E0)
+
+/* Translation Data */
+#define IWLAGN_SCD_TRANS_TBL_MEM_LOWER_BOUND (SCD_MEM_LOWER_BOUND + 0x7E0)
+#define IWLAGN_SCD_TRANS_TBL_MEM_UPPER_BOUND (SCD_MEM_LOWER_BOUND + 0x808)
#define IWLAGN_SCD_CONTEXT_QUEUE_OFFSET(x)\
- (IWLAGN_SCD_CONTEXT_DATA_OFFSET + ((x) * 8))
+ (IWLAGN_SCD_CONTEXT_MEM_LOWER_BOUND + ((x) * 8))
#define IWLAGN_SCD_TRANSLATE_TBL_OFFSET_QUEUE(x) \
- ((IWLAGN_SCD_TRANSLATE_TBL_OFFSET + ((x) * 2)) & 0xfffc)
+ ((IWLAGN_SCD_TRANS_TBL_MEM_LOWER_BOUND + ((x) * 2)) & 0xfffc)
#define IWLAGN_SCD_QUEUECHAIN_SEL_ALL(priv) \
(((1<<(priv)->hw_params.max_txq_num) - 1) &\