This differs from legacy chips i.e.
a 8764 loads firmware image without a helper image
b Check interrupt status register for download
complete indication.
Signed-off-by: Nishant Sarmukadam <[email protected]>
Signed-off-by: Yogesh Ashok Powar <[email protected]>
---
drivers/net/wireless/mwl8k.c | 27 +++++++++++++++++++--------
1 file changed, 19 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index e86a31b..aaaf10d 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -284,6 +284,7 @@ struct mwl8k_priv {
unsigned fw_state;
char *fw_pref;
char *fw_alt;
+ bool is_8764;
struct completion firmware_loading_complete;
/* bitmap of running BSSes */
@@ -600,13 +601,18 @@ mwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length)
loops = 1000;
do {
u32 int_code;
-
- int_code = ioread32(regs + MWL8K_HIU_INT_CODE);
- if (int_code == MWL8K_INT_CODE_CMD_FINISHED) {
- iowrite32(0, regs + MWL8K_HIU_INT_CODE);
- break;
+ if (priv->is_8764) {
+ int_code = ioread32(regs +
+ MWL8K_HIU_H2A_INTERRUPT_STATUS);
+ if (int_code == 0)
+ break;
+ } else {
+ int_code = ioread32(regs + MWL8K_HIU_INT_CODE);
+ if (int_code == MWL8K_INT_CODE_CMD_FINISHED) {
+ iowrite32(0, regs + MWL8K_HIU_INT_CODE);
+ break;
+ }
}
-
cond_resched();
udelay(1);
} while (--loops);
@@ -724,7 +730,7 @@ static int mwl8k_load_firmware(struct ieee80211_hw *hw)
int rc;
int loops;
- if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) {
+ if (!memcmp(fw->data, "\x01\x00\x00\x00", 4) && !priv->is_8764) {
const struct firmware *helper = priv->fw_helper;
if (helper == NULL) {
@@ -743,7 +749,10 @@ static int mwl8k_load_firmware(struct ieee80211_hw *hw)
rc = mwl8k_feed_fw_image(priv, fw->data, fw->size);
} else {
- rc = mwl8k_load_fw_image(priv, fw->data, fw->size);
+ if (priv->is_8764)
+ rc = mwl8k_feed_fw_image(priv, fw->data, fw->size);
+ else
+ rc = mwl8k_load_fw_image(priv, fw->data, fw->size);
}
if (rc) {
@@ -6007,6 +6016,8 @@ static int mwl8k_probe(struct pci_dev *pdev,
priv->pdev = pdev;
priv->device_info = &mwl8k_info_tbl[id->driver_data];
+ if (id->driver_data == MWL8764)
+ priv->is_8764 = true;
priv->sram = pci_iomap(pdev, 0, 0x10000);
if (priv->sram == NULL) {
--
1.8.0.3