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mwl8k: Load 8764 firmware image

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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 <nishants@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Nishant Sarmukadam 2013-03-01 17:13:01 +05:30 committed by John W. Linville
parent d926dc7de8
commit 98929824ee
1 changed files with 19 additions and 8 deletions
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17
drivers/net/wireless/mwl8k.c
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@ -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;
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) {
@ -743,6 +749,9 @@ static int mwl8k_load_firmware(struct ieee80211_hw *hw)
rc = mwl8k_feed_fw_image(priv, fw->data, fw->size);
} else {
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);
}
@ -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) {