/* reset device */
A_STATUS ar6000_reset_device(HIF_DEVICE *hifDevice, A_UINT32 TargetType, A_BOOL waitForCompletion, A_BOOL coldReset)
{
A_STATUS status = A_OK;
A_UINT32 address;
A_UINT32 data;
do {
// Workaround BEGIN
// address = RESET_CONTROL_ADDRESS;
if (coldReset) {
data = RESET_CONTROL_COLD_RST_MASK;
}
else {
data = RESET_CONTROL_MBOX_RST_MASK;
}
/* Hardcode the address of RESET_CONTROL_ADDRESS based on the target type */
if (TargetType == TARGET_TYPE_AR6001) {
address = AR6001_RESET_CONTROL_ADDRESS;
} else if (TargetType == TARGET_TYPE_AR6002) {
address = AR6002_RESET_CONTROL_ADDRESS;
} else if (TargetType == TARGET_TYPE_AR6003) {
address = AR6003_RESET_CONTROL_ADDRESS;
} else {
A_ASSERT(0);
}
status = ar6000_WriteRegDiag(hifDevice, &address, &data);
if (A_FAILED(status)) {
break;
}
if (!waitForCompletion) {
break;
}
#if 0
/* Up to 2 second delay to allow things to settle down */
(void)_delay_until_target_alive(hifDevice, 2000, TargetType);
/*
* Read back the RESET CAUSE register to ensure that the cold reset
* went through.
*/
// address = RESET_CAUSE_ADDRESS;
/* Hardcode the address of RESET_CAUSE_ADDRESS based on the target type */
if (TargetType == TARGET_TYPE_AR6001) {
address = 0x0C0000CC;
} else if (TargetType == TARGET_TYPE_AR6002) {
address = 0x000040C0;
} else if (TargetType == TARGET_TYPE_AR6003) {
address = 0x000040C0;
} else {
A_ASSERT(0);
}
data = 0;
status = ar6000_ReadRegDiag(hifDevice, &address, &data);
if (A_FAILED(status)) {
break;
}
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Reset Cause readback: 0x%X \n",data));
data &= RESET_CAUSE_LAST_MASK;
if (data != 2) {
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Unable to cold reset the target \n"));
}
#endif
// Workaroud END
} while (FALSE);
if (A_FAILED(status)) {
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Failed to reset target \n"));
}
return A_OK;
}
/* reset device */
A_STATUS ar6000_reset_device(HIF_DEVICE *hifDevice, A_UINT32 TargetType, A_BOOL waitForCompletion)
{
A_STATUS status = A_OK;
A_UINT32 address;
A_UINT32 data;
do {
data = RESET_CONTROL_COLD_RST_MASK;
if (TargetType == TARGET_TYPE_AR6001) {
address = AR6001_RESET_CONTROL_ADDRESS;
} else if (TargetType == TARGET_TYPE_AR6002) {
address = AR6002_RESET_CONTROL_ADDRESS;
} else if (TargetType == TARGET_TYPE_AR6003) {
address = AR6003_RESET_CONTROL_ADDRESS;
} else {
A_ASSERT(0);
}
status = ar6000_WriteRegDiag(hifDevice, &address, &data);
if (A_FAILED(status)) {
break;
}
if (!waitForCompletion) {
break;
}
(void)_delay_until_target_alive(hifDevice, 1800, TargetType);
if (TargetType == TARGET_TYPE_AR6001) {
address = 0x0C0000CC;
} else if (TargetType == TARGET_TYPE_AR6002) {
address = 0x000040C0;
} else if (TargetType == TARGET_TYPE_AR6003) {
address = 0x000040C0;
} else {
A_ASSERT(0);
}
data = 0;
status = ar6000_ReadRegDiag(hifDevice, &address, &data);
if (A_FAILED(status)) {
break;
}
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Reset Cause readback: 0x%X \n",data));
data &= RESET_CAUSE_LAST_MASK;
if (data != 2) {
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Unable to cold reset the target \n"));
}
} while (FALSE);
if (A_FAILED(status)) {
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Failed to reset target \n"));
}
return A_OK;
}
