Assign memory boundary for SCD context, tx status and translation table Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx> --- drivers/net/wireless/iwlwifi/iwl-agn-ucode.c | 8 +++++--- drivers/net/wireless/iwlwifi/iwl-prph.h | 19 ++++++++++++++----- 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 de8277e..2043c8b 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 f00d188..1cc0ed1 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) &\ -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
