static A_STATUS
_do_write_diag(HIF_DEVICE *hifDevice, A_UINT32 addr, A_UINT32 value)
{
A_STATUS status;
status = ar6000_WriteRegDiag(hifDevice, &addr, &value);
if (status != A_OK)
{
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Cannot force Target to execute ROM!\n"));
}
return status;
}
A_STATUS ar6000_set_uart_config(HIF_DEVICE *hifDevice,
A_UINT32 scale,
A_UINT32 step)
{
A_UINT32 regAddress;
A_UINT32 regVal;
A_STATUS status;
regAddress = WLAN_UART_BASE_ADDRESS | UART_CLKDIV_ADDRESS;
regVal = ((A_UINT32)scale << 16) | step;
/* change the HCI UART scale/step values through the diagnostic window */
status = ar6000_WriteRegDiag(hifDevice, ®Address, ®Val);
return status;
}
int ar6000_set_uart_config(struct hif_device *hifDevice,
u32 scale,
u32 step)
{
u32 regAddress;
u32 regVal;
int status;
regAddress = WLAN_UART_BASE_ADDRESS | UART_CLKDIV_ADDRESS;
regVal = ((u32)scale << 16) | step;
/* change the HCI UART scale/step values through the diagnostic window */
status = ar6000_WriteRegDiag(hifDevice, ®Address, ®Val);
return status;
}
A_STATUS
ar6000_WriteDataDiag(HIF_DEVICE *hifDevice, A_UINT32 address,
A_UCHAR *data, A_UINT32 length)
{
A_UINT32 count;
A_STATUS status = A_OK;
for (count = 0; count < length; count += 4, address += 4) {
if ((status = ar6000_WriteRegDiag(hifDevice, &address,
(A_UINT32 *)&data[count])) != A_OK)
{
break;
}
}
return status;
}
/* reset device */
A_STATUS ar6000_reset_device(HIF_DEVICE *hifDevice, A_UINT32 TargetType)
{
#if !defined(DWSIM)
A_STATUS status = A_OK;
A_UINT32 address;
A_UINT32 data;
do {
// address = RESET_CONTROL_ADDRESS;
data = RESET_CONTROL_COLD_RST_MASK;
/* Hardcode the address of RESET_CONTROL_ADDRESS based on the target type */
if (TargetType == TARGET_TYPE_AR6001) {
address = 0x0C000000;
} else {
if (TargetType == TARGET_TYPE_AR6002) {
address = 0x00004000;
} else {
A_ASSERT(0);
}
}
status = ar6000_WriteRegDiag(hifDevice, &address, &data);
if (A_FAILED(status)) {
break;
}
/*
* Read back the RESET CAUSE register to ensure that the cold reset
* went through.
*/
msleep(2000); /* 2 second delay to allow things to settle down */
// 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 {
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"));
}
#endif
return A_OK;
}
A_STATUS
ar6000_reset_device_skipflash(HIF_DEVICE *hifDevice)
{
int i;
struct forceROM_s {
A_UINT32 addr;
A_UINT32 data;
};
struct forceROM_s *ForceROM;
int szForceROM;
A_UINT32 instruction;
static struct forceROM_s ForceROM_REV2[] = {
/* NB: This works for old REV2 ROM (old). */
{0x00001ff0, 0x175b0027}, /* jump instruction at 0xa0001ff0 */
{0x00001ff4, 0x00000000}, /* nop instruction at 0xa0001ff4 */
{MC_REMAP_TARGET_ADDRESS, 0x00001ff0}, /* remap to 0xa0001ff0 */
{MC_REMAP_COMPARE_ADDRESS, 0x01000040},/* ...from 0xbfc00040 */
{MC_REMAP_SIZE_ADDRESS, 0x00000000}, /* ...1 cache line */
{MC_REMAP_VALID_ADDRESS, 0x00000001}, /* ...remap is valid */
{LOCAL_COUNT_ADDRESS+0x10, 0}, /* clear BMI credit counter */
{RESET_CONTROL_ADDRESS, RESET_CONTROL_WARM_RST_MASK},
};
static struct forceROM_s ForceROM_NEW[] = {
/* NB: This works for AR6000 ROM REV3 and beyond. */
{LOCAL_SCRATCH_ADDRESS, AR6K_OPTION_IGNORE_FLASH},
{LOCAL_COUNT_ADDRESS+0x10, 0}, /* clear BMI credit counter */
{RESET_CONTROL_ADDRESS, RESET_CONTROL_WARM_RST_MASK},
};
/*
* Examine a semi-arbitrary instruction that's different
* in REV2 and other revisions.
* NB: If a Host port does not require simultaneous support
* for multiple revisions of Target ROM, this code can be elided.
*/
(void)ar6000_ReadDataDiag(hifDevice, 0x01000040,
(A_UCHAR *)&instruction, 4);
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("instruction=0x%x\n", instruction));
if (instruction == 0x3c1aa200) {
/* It's an old ROM */
ForceROM = ForceROM_REV2;
szForceROM = sizeof(ForceROM_REV2)/sizeof(*ForceROM);
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Using OLD method\n"));
} else {
ForceROM = ForceROM_NEW;
szForceROM = sizeof(ForceROM_NEW)/sizeof(*ForceROM);
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Using NEW method\n"));
}
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Force Target to execute from ROM....\n"));
for (i = 0; i < szForceROM; i++)
{
if (ar6000_WriteRegDiag(hifDevice,
&ForceROM[i].addr,
&ForceROM[i].data) != A_OK)
{
AR_DEBUG_PRINTF(ATH_LOG_ERR, ("Cannot force Target to execute ROM!\n"));
return A_ERROR;
}
}
msleep(50); /* delay to allow dragon to come to BMI phase */
return A_OK;
}
/*
* Call this function just before the call to BMIInit
* in order to force* AR6002 rev 1.x firmware to detect a Host.
* THIS IS FOR USE ONLY WITH AR6002 REV 1.x.
* TBDXXX: Remove this function when REV 1.x is desupported.
*/
A_STATUS
ar6002_REV1_reset_force_host (HIF_DEVICE *hifDevice)
{
A_INT32 i;
struct forceROM_s {
A_UINT32 addr;
A_UINT32 data;
};
struct forceROM_s *ForceROM;
A_INT32 szForceROM;
A_STATUS status = A_OK;
A_UINT32 address;
A_UINT32 data;
/* Force AR6002 REV1.x to recognize Host presence.
*
* Note: Use RAM at 0x52df80..0x52dfa0 with ROM Remap entry 0
* so that this workaround functions with AR6002.war1.sh. We
* could fold that entire workaround into this one, but it's not
* worth the effort at this point. This workaround cannot be
* merged into the other workaround because this must be done
* before BMI.
*/
static struct forceROM_s ForceROM_NEW[] = {
{0x52df80, 0x20f31c07},
{0x52df84, 0x92374420},
{0x52df88, 0x1d120c03},
{0x52df8c, 0xff8216f0},
{0x52df90, 0xf01d120c},
{0x52df94, 0x81004136},
{0x52df98, 0xbc9100bd},
{0x52df9c, 0x00bba100},
{0x00008000|MC_TCAM_TARGET_ADDRESS, 0x0012dfe0}, /* Use remap entry 0 */
{0x00008000|MC_TCAM_COMPARE_ADDRESS, 0x000e2380},
{0x00008000|MC_TCAM_MASK_ADDRESS, 0x00000000},
{0x00008000|MC_TCAM_VALID_ADDRESS, 0x00000001},
{0x00018000|(LOCAL_COUNT_ADDRESS+0x10), 0}, /* clear BMI credit counter */
{0x00004000|AR6002_RESET_CONTROL_ADDRESS, RESET_CONTROL_WARM_RST_MASK},
};
address = 0x004ed4b0; /* REV1 target software ID is stored here */
status = ar6000_ReadRegDiag(hifDevice, &address, &data);
if (A_FAILED(status) || (data != AR6002_VERSION_REV1)) {
return A_ERROR; /* Not AR6002 REV1 */
}
ForceROM = ForceROM_NEW;
szForceROM = sizeof(ForceROM_NEW)/sizeof(*ForceROM);
ATH_DEBUG_PRINTF (DBG_MISC_DRV, ATH_DEBUG_TRC, ("Force Target to recognize Host....\n"));
for (i = 0; i < szForceROM; i++)
{
if (ar6000_WriteRegDiag(hifDevice,
&ForceROM[i].addr,
&ForceROM[i].data) != A_OK)
{
ATH_DEBUG_PRINTF (DBG_MISC_DRV, ATH_DEBUG_TRC, ("Cannot force Target to recognize Host!\n"));
return A_ERROR;
}
}
A_MDELAY(1000);
return A_OK;
}
/* 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;
}
static A_STATUS ar6000_hci_transport_ready(HCI_TRANSPORT_HANDLE HCIHandle,
HCI_TRANSPORT_PROPERTIES *pProps,
void *pContext)
{
AR6K_HCI_BRIDGE_INFO *pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)pContext;
A_STATUS status;
AR_SOFTC_DEV_T *arDev = pHcidevInfo->ar->arDev[0];
pHcidevInfo->pHCIDev = HCIHandle;
A_MEMCPY(&pHcidevInfo->HCIProps,pProps,sizeof(*pProps));
AR_DEBUG_PRINTF(ATH_DEBUG_HCI_BRIDGE,("HCI ready (hci:0x%lX, headroom:%d, tailroom:%d blockpad:%d) \n",
(unsigned long)HCIHandle,
pHcidevInfo->HCIProps.HeadRoom,
pHcidevInfo->HCIProps.TailRoom,
pHcidevInfo->HCIProps.IOBlockPad));
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= (struct net_device *)(pHcidevInfo->HCITransHdl.netDevice)->hard_header_len);
#else
A_ASSERT((pProps->HeadRoom + pProps->TailRoom) <= arDev->arNetDev->hard_header_len);
#endif
/* provide buffers */
RefillRecvBuffers(pHcidevInfo, HCI_ACL_TYPE, MAX_ACL_RECV_BUFS);
RefillRecvBuffers(pHcidevInfo, HCI_EVENT_TYPE, MAX_EVT_RECV_BUFS);
do {
/* start transport */
status = HCI_TransportStart(pHcidevInfo->pHCIDev);
if (A_FAILED(status)) {
break;
}
if (!pHcidevInfo->HciNormalMode) {
/* in test mode, no need to go any further */
break;
}
/* The delay is required when AR6K is driving the BT reset line */
/* where time is needed after the BT chip is out of reset (HCI_TransportStart) */
/* and before the first HCI command is issued (AR3KConfigure) */
/* FIXME */
/* The delay should be configurable and be only applied when AR6K driving the BT */
/* reset line. This could be done by some module parameter or based on some HW config */
/* info. For now apply 100ms delay blindly */
A_MDELAY(100);
A_MEMZERO(&ar3kconfig,sizeof(ar3kconfig));
ar3kconfig.pHCIDev = pHcidevInfo->pHCIDev;
ar3kconfig.pHCIProps = &pHcidevInfo->HCIProps;
#ifdef EXPORT_HCI_BRIDGE_INTERFACE
ar3kconfig.pHIFDevice = (HIF_DEVICE *)(pHcidevInfo->HCITransHdl.hifDevice);
#else
ar3kconfig.pHIFDevice = pHcidevInfo->ar->arHifDevice;
#endif
ar3kconfig.pBtStackHCIDev = pHcidevInfo->pBtStackHCIDev;
if (ar3khcibaud != 0) {
/* user wants ar3k baud rate change */
ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR3K_BAUD;
ar3kconfig.Flags |= AR3K_CONFIG_FLAG_AR3K_BAUD_CHANGE_DELAY;
ar3kconfig.AR3KBaudRate = ar3khcibaud;
}
if ((hciuartscale != 0) || (hciuartstep != 0)) {
/* user wants to tune HCI bridge UART scale/step values */
ar3kconfig.AR6KScale = (A_UINT16)hciuartscale;
ar3kconfig.AR6KStep = (A_UINT16)hciuartstep;
ar3kconfig.Flags |= AR3K_CONFIG_FLAG_SET_AR6K_SCALE_STEP;
}
/* configure the AR3K device */
memcpy(ar3kconfig.bdaddr,arDev->bdaddr,6);
status = AR3KConfigure(&ar3kconfig);
if (A_FAILED(status)) {
extern unsigned int setuphci;
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: Fail to configure AR3K. No device? Cleanup HCI\n"));
pHcidevInfo->ar->exitCallback = NULL;
ar6000_cleanup_hci(pHcidevInfo->ar);
setuphci = 0;
pHcidevInfo->ar->arBTSharing = 0;
break;
}
/* Make sure both AR6K and AR3K have power management enabled */
if (ar3kconfig.PwrMgmtEnabled) {
A_UINT32 address, hci_uart_pwr_mgmt_params;
/* Fetch the address of the hi_hci_uart_pwr_mgmt_params instance in the host interest area */
address = TARG_VTOP(pHcidevInfo->ar->arTargetType,
HOST_INTEREST_ITEM_ADDRESS(pHcidevInfo->ar->arTargetType, hi_hci_uart_pwr_mgmt_params));
status = ar6000_ReadRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params);
hci_uart_pwr_mgmt_params &= 0xFFFF;
/* wakeup timeout is [31:16] */
hci_uart_pwr_mgmt_params |= (ar3kconfig.WakeupTimeout << 16);
status |= ar6000_WriteRegDiag(pHcidevInfo->ar->arHifDevice, &address, &hci_uart_pwr_mgmt_params);
if (A_OK != status) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to write hci_uart_pwr_mgmt_params!\n"));
}
/* Fetch the address of the hi_hci_uart_pwr_mgmt_params_ext instance in the host interest area */
address = TARG_VTOP(pHcidevInfo->ar->arTargetType,
HOST_INTEREST_ITEM_ADDRESS(pHcidevInfo->ar->arTargetType, hi_hci_uart_pwr_mgmt_params_ext));
status = ar6000_WriteRegDiag(pHcidevInfo->ar->arHifDevice, &address, &ar3kconfig.IdleTimeout);
if (A_OK != status) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to write hci_uart_pwr_mgmt_params_ext!\n"));
}
status = HCI_TransportEnablePowerMgmt(pHcidevInfo->pHCIDev, TRUE);
if (A_FAILED(status)) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("HCI Bridge: failed to enable TLPM for AR6K! \n"));
}
}
status = bt_register_hci(pHcidevInfo);
} while (FALSE);
return status;
}
/* 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;
}
