path: root/package/kernel/lantiq/ltq-vmmc/patches/400-falcon.patch

--- a/configure.in
+++ b/configure.in
@@ -956,14 +956,15 @@ AC_DEFINE([VMMC],[1],[enable VMMC suppor
 AM_CONDITIONAL(DANUBE, false)
 AM_CONDITIONAL(AR9, false)
 AM_CONDITIONAL(VR9, false)
+AM_CONDITIONAL(FALCON, false)
 AC_ARG_WITH(device,
    AC_HELP_STRING(
-      [--with-device=DANUBE|TWINPASS|AR9|VR9],
+      [--with-device=DANUBE|TWINPASS|AR9|VR9|FALCON],
       [Set device type, default is DANUBE]
    ),
    [
       if test "$withval" = yes; then
-         AC_MSG_ERROR([Set device type! Valid choices are DANUBE|TWINPASS|AR9|VR9]);
+         AC_MSG_ERROR([Set device type! Valid choices are DANUBE|TWINPASS|AR9|VR9|FALCON]);
       else
          case $withval in
            DANUBE)
@@ -986,8 +987,13 @@ AC_ARG_WITH(device,
                AC_DEFINE([SYSTEM_VR9],[1],[enable VR9 specific code])
                AM_CONDITIONAL(VR9, true)
            ;;
+           FALCON)
+               AC_MSG_RESULT(FALCON device is used);
+               AC_DEFINE([SYSTEM_FALCON],[1],[enable FALCON specific code])
+               AM_CONDITIONAL(FALCON, true)
+           ;;
            *)
-               AC_MSG_ERROR([Set device type! Valid choices are DANUBE|TWINPASS|AR9|VR9]);
+               AC_MSG_ERROR([Set device type! Valid choices are DANUBE|TWINPASS|AR9|VR9|FALCON]);
            ;;
        esac
       fi
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -70,6 +70,11 @@ drv_vmmc_SOURCES +=\
    mps/drv_mps_vmmc_ar9.c
 endif
 
+if FALCON
+drv_vmmc_SOURCES +=\
+   mps/drv_mps_vmmc_falcon.c
+endif
+
 endif
 
 if PMC_SUPPORT
--- a/drv_version.h
+++ b/drv_version.h
@@ -36,6 +36,10 @@
 #define MIN_FW_MAJORSTEP   2
 #define MIN_FW_MINORSTEP   1
 #define MIN_FW_HOTFIXSTEP  0
+#elif  defined(SYSTEM_FALCON)
+#define MIN_FW_MAJORSTEP   0
+#define MIN_FW_MINORSTEP   1
+#define MIN_FW_HOTFIXSTEP  0
 #else
 #error unknown system
 #endif
--- a/src/drv_vmmc_bbd.c
+++ b/src/drv_vmmc_bbd.c
@@ -34,6 +34,7 @@
 #define VMMC_WL_SDD_BASIC_CFG       0x04000400
 #define VMMC_WL_SDD_RING_CFG        0x04000500
 #define VMMC_WL_SDD_DCDC_CFG        0x04000C00
+#define VMMC_WL_SDD_MWI_CFG         0x04000600
 
 #define IDLE_EXT_TOGGLE_SLEEP_MS    5
 
@@ -52,6 +53,8 @@
 #define BBD_VMMC_MAGIC                       0x41523921 /* "AR9"  */
 #elif defined(SYSTEM_VR9)
 #define BBD_VMMC_MAGIC                       0x56523921 /* "VR9"  */
+#elif defined(SYSTEM_FALCON)
+#define BBD_VMMC_MAGIC                       0x46414C43 /* "FALC"  */
 #else
 #error system undefined
 #endif
@@ -525,9 +528,6 @@ static IFX_int32_t VMMC_BBD_BlockHandler
    IFX_uint16_t               slic_val;
    IFX_int32_t                ret = IFX_SUCCESS;
 
-   TRACE(VMMC, DBG_LEVEL_LOW,
-         ("bbd block with tag 0x%04X passed\n", pBBDblock->tag));
-
    /* for FXO line allowed blocks are FXO_CRAM and TRANSPARENT */
    if (pCh->pALM->line_type_fxs != IFX_TRUE)
    {
@@ -686,6 +686,7 @@ static IFX_int32_t VMMC_BBD_BlockHandler
             break;
       }
    } /* if */
+
    return ret;
 }
 
@@ -1026,6 +1027,7 @@ static IFX_int32_t vmmc_BBD_WhiteListedC
          }
       case VMMC_WL_SDD_RING_CFG:
       case VMMC_WL_SDD_DCDC_CFG:
+      case VMMC_WL_SDD_MWI_CFG:
          ret = CmdWrite (pCh->pParent, Msg.val, Msg.cmd.LENGTH);
          break;
 
@@ -1068,7 +1070,7 @@ static IFX_int32_t vmmc_BBD_DownloadChCr
    IFX_uint32_t countWords;
    IFX_uint32_t posBytes = 0;
    IFX_uint8_t  lenBytes, *pByte;
-#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
    IFX_uint8_t  padBytes = 0;
 #endif
    IFX_uint16_t cram_offset, cram_crc,
@@ -1088,7 +1090,7 @@ static IFX_int32_t vmmc_BBD_DownloadChCr
 #ifdef SYSTEM_DANUBE
    /* CMD1 is a COP command  */
    pCmd[0] = (0x0200) | (pCh->nChannel - 1);
-#elif  defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#elif  defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
    /* SDD_Coef command */
    pCmd[0] = (0x0400) | (pCh->nChannel - 1);
    pCmd[1] = (0x0D00);
@@ -1111,7 +1113,7 @@ static IFX_int32_t vmmc_BBD_DownloadChCr
       pCmd[1] = ((cram_offset + (posBytes >> 1)) << 8);
       /* set CRAM data while taking care of endianess  */
       cpb2w (&pCmd[2], &pByte[posBytes], lenBytes);
-#elif defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#elif defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
       /* calculate length to download (in words = 16bit),
          maximum allowed length for this message is 56 Bytes = 28 Words */
       if (countWords > ((MAX_CMD_WORD - CMD_HDR_CNT - 1)))
@@ -1140,7 +1142,7 @@ static IFX_int32_t vmmc_BBD_DownloadChCr
       /* write Data */
 #if defined SYSTEM_DANUBE
       ret = CmdWrite (pCh->pParent, (IFX_uint32_t *) pCmd, lenBytes);
-#elif defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#elif defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
 #if 1
       /* lenBytes + 2 bytes for block offset/length which are not calculated
          in the download progress */
--- a/src/mps/drv_mps_version.h
+++ b/src/mps/drv_mps_version.h
@@ -17,7 +17,7 @@
 #define VERSIONSTEP  2
 #define VERS_TYPE    5
 
-#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
 #define IFX_MPS_PLATFORM_NAME "MIPS34KEc"
 #elif  defined(SYSTEM_DANUBE)
 #define IFX_MPS_PLATFORM_NAME "MIPS24KEc"
--- a/src/mps/drv_mps_vmmc_linux.c
+++ b/src/mps/drv_mps_vmmc_linux.c
@@ -2229,7 +2229,7 @@ IFX_int32_t __init ifx_mps_init_module (
 #if defined(CONFIG_MIPS) && !defined(CONFIG_MIPS_UNCACHED)
 #if defined(SYSTEM_DANUBE)
    bDoCacheOps = IFX_TRUE; /* on Danube always perform cache ops */
-#elif defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#elif defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
    /* on AR9/VR9 cache is configured by BSP;
       here we check whether the D-cache is shared or partitioned;
       1) in case of shared D-cache all cache operations are omitted;
@@ -2259,7 +2259,8 @@ IFX_int32_t __init ifx_mps_init_module (
 
    /* reset the device before initializing the device driver */
    ifx_mps_reset ();
-   result = request_irq (INT_NUM_IM4_IRL18,
+
+  result = request_irq (INT_NUM_IM4_IRL18,
 #ifdef LINUX_2_6
                          ifx_mps_ad0_irq, 0x0
 #else /* */
@@ -2400,7 +2401,7 @@ IFX_int32_t __init ifx_mps_init_module (
    if (result = ifx_mps_init_gpt_danube ())
       return result;
 #endif /*DANUBE*/
-      TRACE (MPS, DBG_LEVEL_HIGH, ("Downloading Firmware...\n"));
+   TRACE (MPS, DBG_LEVEL_HIGH, ("Downloading Firmware...\n"));
    ifx_mps_download_firmware (IFX_NULL, (mps_fw *) 0xa0a00000);
    udelay (500);
    TRACE (MPS, DBG_LEVEL_HIGH, ("Providing Buffers...\n"));
--- /dev/null
+++ b/src/mps/drv_mps_vmmc_falcon.c
@@ -0,0 +1,463 @@
+/******************************************************************************
+
+                              Copyright (c) 2009
+                            Lantiq Deutschland GmbH
+                     Am Campeon 3; 85579 Neubiberg, Germany
+
+  For licensing information, see the file 'LICENSE' in the root folder of
+  this software module.
+
+****************************************************************************
+   Module      : drv_mps_vmmc_falcon.c
+   Description : This file contains the implementation of the FALC-ON specific
+                 driver functions.
+*******************************************************************************/
+
+/* ============================= */
+/* Includes                      */
+/* ============================= */
+#include "drv_config.h"
+
+#if defined(SYSTEM_FALCON) /* defined in drv_config.h */
+
+/* lib_ifxos headers */
+#include "ifx_types.h"
+#include "ifxos_linux_drv.h"
+#include "ifxos_copy_user_space.h"
+#include "ifxos_event.h"
+#include "ifxos_lock.h"
+#include "ifxos_select.h"
+#include "ifxos_interrupt.h"
+#include <linux/gpio.h>
+#include <sys1_reg.h>
+#include <falcon.h>
+#include <falcon_irq.h>
+#include <vpe.h>
+#include <sysctrl.h>
+void (*ifx_bsp_basic_mps_decrypt)(unsigned int addr, int n) = (void (*)(unsigned int, int))0xbf000290;
+
+#define IFX_MPS_SRAM IFXMIPS_MPS_SRAM
+
+/*#define USE_PLAIN_VOICE_FIRMWARE*/
+/* board specific headers */
+
+/* device specific headers */
+#include "drv_mps_vmmc.h"
+#include "drv_mps_vmmc_dbg.h"
+#include "drv_mps_vmmc_device.h"
+
+/* ============================= */
+/* Local Macros & Definitions    */
+/* ============================= */
+/* Firmware watchdog timer counter address */
+#define VPE1_WDOG_CTR_ADDR ((IFX_uint32_t)((IFX_uint8_t* )IFX_MPS_SRAM + 432))
+
+/* Firmware watchdog timeout range, values in ms */
+#define VPE1_WDOG_TMOUT_MIN 20
+#define VPE1_WDOG_TMOUT_MAX 5000
+
+/* ============================= */
+/* Global variable definition    */
+/* ============================= */
+extern mps_comm_dev *pMPSDev;
+
+/* ============================= */
+/* Global function declaration   */
+/* ============================= */
+IFX_void_t ifx_mps_release (IFX_void_t);
+extern IFX_uint32_t ifx_mps_reset_structures (mps_comm_dev * pMPSDev);
+extern IFX_int32_t ifx_mps_bufman_close (IFX_void_t);
+IFX_int32_t ifx_mps_wdog_callback (IFX_uint32_t wdog_cleared_ok_count);
+extern IFXOS_event_t fw_ready_evt;
+/* ============================= */
+/* Local function declaration    */
+/* ============================= */
+static IFX_int32_t ifx_mps_fw_wdog_start_ar9(IFX_void_t);
+
+/* ============================= */
+/* Local variable definition     */
+/* ============================= */
+static IFX_int32_t vpe1_started = 0;
+/* VMMC watchdog timer callback */
+IFX_int32_t (*ifx_wdog_callback) (IFX_uint32_t flags) = IFX_NULL;
+
+/* ============================= */
+/* Local function definition     */
+/* ============================= */
+
+/******************************************************************************
+ * AR9 Specific Routines
+ ******************************************************************************/
+
+/**
+ * Start AR9 EDSP firmware watchdog mechanism.
+ * Called after download and startup of VPE1.
+ *
+ * \param   none
+ * \return  0         IFX_SUCCESS
+ * \return  -1        IFX_ERROR
+ * \ingroup Internal
+ */
+IFX_int32_t ifx_mps_fw_wdog_start_ar9()
+{
+   return IFX_SUCCESS;
+}
+
+/**
+ * Firmware download to Voice CPU
+ * This function performs a firmware download to the coprocessor.
+ *
+ * \param   pMBDev    Pointer to mailbox device structure
+ * \param   pFWDwnld  Pointer to firmware structure
+ * \return  0         IFX_SUCCESS, firmware ready
+ * \return  -1        IFX_ERROR,   firmware not downloaded.
+ * \ingroup Internal
+ */
+IFX_int32_t ifx_mps_download_firmware (mps_mbx_dev *pMBDev, mps_fw *pFWDwnld)
+{
+   IFX_uint32_t mem, cksum;
+   IFX_uint8_t crc;
+   IFX_boolean_t bMemReqNotPresent = IFX_FALSE;
+
+   /* VCC register */
+   /* dummy accesss on GTC for GPONC-55, otherwise upper bits are random on read */
+   ltq_r32 ((u32 *)((KSEG1 | 0x1DC000B0)));
+   /* NTR Frequency Select 1536 kHz per default or take existing,
+      NTR Output Enable and NTR8K Output Enable  */
+   if ((ltq_r32 ((u32 *)(GPON_SYS_BASE + 0xBC)) & 7) == 0)
+      ltq_w32_mask (0x10187, 0x183, (u32 *)(GPON_SYS_BASE + 0xBC));
+   else
+      ltq_w32_mask (0x10180, 0x180, (u32 *)(GPON_SYS_BASE + 0xBC));
+#if 0
+   /* BIU-ICU1-IM1_ISR - IM1:FSCT_CMP1=1 and FSC_ROOT=1
+      (0x1f880328 = 0x00002800) */
+   ltq_w32 (0x00002800, (u32 *)(GPON_ICU1_BASE + 0x30));
+#endif
+   /* copy FW footer from user space */
+   if (IFX_NULL == IFXOS_CpyFromUser(pFW_img_data,
+                           pFWDwnld->data+pFWDwnld->length/4-sizeof(*pFW_img_data)/4,
+                           sizeof(*pFW_img_data)))
+   {
+      TRACE (MPS, DBG_LEVEL_HIGH,
+                  (KERN_ERR "[%s %s %d]: copy_from_user error\r\n",
+                   __FILE__, __func__, __LINE__));
+      return IFX_ERROR;
+   }
+
+   mem = pFW_img_data->mem;
+
+   /* memory requirement sanity check */
+   if ((crc = ~((mem >> 16) + (mem >> 8) + mem)) != (mem >> 24))
+   {
+      TRACE (MPS, DBG_LEVEL_HIGH,
+          ("[%s %s %d]: warning, image does not contain size - assuming 1MB!\n",
+           __FILE__, __func__, __LINE__));
+      mem = 1 * 1024 * 1024;
+      bMemReqNotPresent = IFX_TRUE;
+   }
+   else
+   {
+      mem &= 0x00FFFFFF;
+   }
+
+   /* check if FW image fits in available memory space */
+   if (mem > vpe1_get_max_mem(0))
+   {
+      TRACE (MPS, DBG_LEVEL_HIGH,
+      ("[%s %s %d]: error, firmware memory exceeds reserved space (%i > %i)!\n",
+                 __FILE__, __func__, __LINE__, mem, vpe1_get_max_mem(0)));
+      return IFX_ERROR;
+   }
+
+   /* reset the driver */
+   ifx_mps_reset ();
+
+   /* call BSP to get cpu1 base address */
+   cpu1_base_addr = (IFX_uint32_t *)vpe1_get_load_addr(0);
+
+   /* check if CPU1 base address is sane
+      \todo: check if address is 1MB aligned,
+      also make it visible in a /proc fs */
+   if (!cpu1_base_addr)
+   {
+      TRACE (MPS, DBG_LEVEL_HIGH,
+             (KERN_ERR "IFX_MPS: CPU1 base address is invalid!\r\n"));
+      return IFX_ERROR;
+   }
+   /* further use uncached value */
+   cpu1_base_addr = (IFX_uint32_t *)KSEG1ADDR(cpu1_base_addr);
+
+   /* free all data buffers that might be currently used by FW */
+   if (IFX_NULL != ifx_mps_bufman_freeall)
+   {
+      ifx_mps_bufman_freeall();
+   }
+
+   if(FW_FORMAT_NEW)
+   {
+      /* adjust download length */
+      pFWDwnld->length -= (sizeof(*pFW_img_data)-sizeof(IFX_uint32_t));
+   }
+   else
+   {
+      pFWDwnld->length -= sizeof(IFX_uint32_t);
+
+      /* handle unlikely case if FW image does not contain memory requirement -
+         assumed for old format only */
+      if (IFX_TRUE == bMemReqNotPresent)
+         pFWDwnld->length += sizeof(IFX_uint32_t);
+
+      /* in case of old FW format always assume that FW is encrypted;
+         use compile switch USE_PLAIN_VOICE_FIRMWARE for plain FW */
+#ifndef USE_PLAIN_VOICE_FIRMWARE
+      pFW_img_data->enc = 1;
+#else
+#warning Using unencrypted firmware!
+      pFW_img_data->enc = 0;
+#endif /* USE_PLAIN_VOICE_FIRMWARE */
+      /* initializations for the old format */
+      pFW_img_data->st_addr_crc = 2*sizeof(IFX_uint32_t) +
+                                  FW_AR9_OLD_FMT_XCPT_AREA_SZ;
+      pFW_img_data->en_addr_crc = pFWDwnld->length;
+      pFW_img_data->fw_vers = 0;
+      pFW_img_data->magic = 0;
+   }
+
+   /* copy FW image to base address of CPU1 */
+   if (IFX_NULL ==
+       IFXOS_CpyFromUser ((IFX_void_t *)cpu1_base_addr,
+                          (IFX_void_t *)pFWDwnld->data, pFWDwnld->length))
+   {
+      TRACE (MPS, DBG_LEVEL_HIGH,
+             (KERN_ERR "[%s %s %d]: copy_from_user error\r\n", __FILE__,
+              __func__, __LINE__));
+      return IFX_ERROR;
+   }
+
+   /* process firmware decryption */
+   if (pFW_img_data->enc == 1)
+   {
+      if(FW_FORMAT_NEW)
+      {
+         /* adjust decryption length (avoid decrypting CRC32 checksum) */
+         pFWDwnld->length -= sizeof(IFX_uint32_t);
+      }
+      /* BootROM actually decrypts n+4 bytes if n bytes were passed for
+         decryption. Subtract sizeof(u32) from length to avoid decryption
+         of data beyond the FW image code */
+      pFWDwnld->length -= sizeof(IFX_uint32_t);
+      ifx_bsp_basic_mps_decrypt((unsigned int)cpu1_base_addr, pFWDwnld->length);
+   }
+
+   /* calculate CRC32 checksum over downloaded image */
+   cksum = ifx_mps_fw_crc32(cpu1_base_addr, pFW_img_data);
+
+   /* verify the checksum */
+   if(FW_FORMAT_NEW)
+   {
+      if (cksum != pFW_img_data->crc32)
+      {
+         TRACE (MPS, DBG_LEVEL_HIGH,
+                ("MPS: FW checksum error: img=0x%08x calc=0x%08x\r\n",
+                pFW_img_data->crc32, cksum));
+         /*return IFX_ERROR;*/
+      }
+   }
+   else
+   {
+      /* just store self-calculated checksum */
+      pFW_img_data->crc32 = cksum;
+   }
+
+   /* start VPE1 */
+   ifx_mps_release ();
+#if 0
+   /* start FW watchdog mechanism */
+   ifx_mps_fw_wdog_start_ar9();
+#endif
+   /* get FW version */
+   return ifx_mps_get_fw_version (0);
+}
+
+
+/**
+ * Restart CPU1
+ * This function restarts CPU1 by accessing the reset request register and
+ * reinitializes the mailbox.
+ *
+ * \return  0        IFX_SUCCESS, successful restart
+ * \return  -1       IFX_ERROR, if reset failed
+ * \ingroup Internal
+ */
+IFX_int32_t ifx_mps_restart (IFX_void_t)
+{
+   /* raise reset request for CPU1 and reset driver structures */
+   ifx_mps_reset ();
+   /* Disable GPTC Interrupt to CPU1 */
+   ifx_mps_shutdown_gpt ();
+   /* re-configure GPTC */
+   ifx_mps_init_gpt ();
+   /* let CPU1 run */
+   ifx_mps_release ();
+   /* start FW watchdog mechanism */
+   ifx_mps_fw_wdog_start_ar9();
+   TRACE (MPS, DBG_LEVEL_HIGH, ("IFX_MPS: Restarting firmware..."));
+   return ifx_mps_get_fw_version (0);
+}
+
+/**
+ * Shutdown MPS - stop VPE1
+ * This function stops VPE1
+ *
+ * \ingroup Internal
+ */
+IFX_void_t ifx_mps_shutdown (IFX_void_t)
+{
+   if (vpe1_started)
+   {
+      /* stop software watchdog timer */
+      vpe1_sw_wdog_stop (0);
+      /* clean up the BSP callback function */
+      vpe1_sw_wdog_register_reset_handler (IFX_NULL);
+      /* stop VPE1 */
+      vpe1_sw_stop (0);
+      vpe1_started = 0;
+   }
+   /* free GPTC */
+   ifx_mps_shutdown_gpt ();
+}
+
+/**
+ * Reset CPU1
+ * This function causes a reset of CPU1 by clearing the CPU0 boot ready bit
+ * in the reset request register RCU_RST_REQ.
+ * It does not change the boot configuration registers for CPU0 or CPU1.
+ *
+ * \return  0        IFX_SUCCESS, cannot fail
+ * \ingroup Internal
+ */
+IFX_void_t ifx_mps_reset (IFX_void_t)
+{
+   /* if VPE1 is already started, stop it */
+   if (vpe1_started)
+   {
+      /* stop software watchdog timer first */
+      vpe1_sw_wdog_stop (0);
+      vpe1_sw_stop (0);
+      vpe1_started = 0;
+   }
+
+   /* reset driver */
+   ifx_mps_reset_structures (pMPSDev);
+   ifx_mps_bufman_close ();
+   return;
+}
+
+/**
+ * Let CPU1 run
+ * This function starts VPE1
+ *
+ * \return  none
+ * \ingroup Internal
+ */
+IFX_void_t ifx_mps_release (IFX_void_t)
+{
+   IFX_int_t ret;
+   IFX_int32_t RetCode = 0;
+
+   /* Start VPE1 */
+   if (IFX_SUCCESS !=
+       vpe1_sw_start ((IFX_void_t *)cpu1_base_addr, 0, 0))
+   {
+      TRACE (MPS, DBG_LEVEL_HIGH, (KERN_ERR "Error starting VPE1\r\n"));
+      return;
+   }
+   vpe1_started = 1;
+
+   /* sleep 3 seconds until FW is ready */
+   ret = IFXOS_EventWait (&fw_ready_evt, 3000, &RetCode);
+   if ((ret == IFX_ERROR) && (RetCode == 1))
+   {
+      /* timeout */
+      TRACE (MPS, DBG_LEVEL_HIGH,
+             (KERN_ERR "[%s %s %d]: Timeout waiting for firmware ready.\r\n",
+              __FILE__, __func__, __LINE__));
+      /* recalculate and compare the firmware checksum */
+      ifx_mps_fw_crc_compare(cpu1_base_addr, pFW_img_data);
+      /* dump exception area on a console */
+      ifx_mps_dump_fw_xcpt(cpu1_base_addr, pFW_img_data);
+   }
+}
+
+/**
+ * WDT callback.
+ * This function is called by BSP (module softdog_vpe) in case if software
+ * watchdog timer expiration is detected by BSP.
+ * This function needs to be registered at BSP as WDT callback using
+ * vpe1_sw_wdog_register_reset_handler() API.
+ *
+ * \return  0        IFX_SUCCESS, cannot fail
+ * \ingroup Internal
+ */
+IFX_int32_t ifx_mps_wdog_callback (IFX_uint32_t wdog_cleared_ok_count)
+{
+#ifdef DEBUG
+   TRACE (MPS, DBG_LEVEL_HIGH,
+          ("MPS: watchdog callback! arg=0x%08x\r\n", wdog_cleared_ok_count));
+#endif /* DEBUG */
+
+   /* reset SmartSLIC is done by FW */
+   /* recalculate and compare the firmware checksum */
+   ifx_mps_fw_crc_compare(cpu1_base_addr, pFW_img_data);
+
+   /* dump exception area on a console */
+   ifx_mps_dump_fw_xcpt(cpu1_base_addr, pFW_img_data);
+
+   if (IFX_NULL != ifx_wdog_callback)
+   {
+      /* call VMMC driver */
+      ifx_wdog_callback (wdog_cleared_ok_count);
+   }
+   else
+   {
+      TRACE (MPS, DBG_LEVEL_HIGH,
+             (KERN_WARNING "MPS: VMMC watchdog timer callback is NULL.\r\n"));
+   }
+   return 0;
+}
+
+/**
+ * Register WDT callback.
+ * This function is called by VMMC driver to register its callback in
+ * the MPS driver.
+ *
+ * \return  0        IFX_SUCCESS, cannot fail
+ * \ingroup Internal
+ */
+IFX_int32_t
+ifx_mps_register_wdog_callback (IFX_int32_t (*pfn) (IFX_uint32_t flags))
+{
+   ifx_wdog_callback = pfn;
+   return 0;
+}
+
+/**
+   Hardware setup on FALC ON
+*/
+void sys_hw_setup (void)
+{
+   /* Set INFRAC register bit 1: clock enable of the GPE primary clock.  */
+   sys_gpe_hw_activate (0);
+   /* enable 1.5 V */
+   ltq_w32_mask (0xf, 0x0b, (u32 *)(GPON_SYS1_BASE | 0xbc));
+   /* SYS1-CLKEN:GPTC = 1 and MPS, no longer FSCT = 1 */
+   sys1_hw_activate (ACTS_MPS | ACTS_GPTC);
+   /* GPTC:CLC:RMC = 1 */
+   ltq_w32 (0x00000100, (u32 *)(KSEG1 | 0x1E100E00));
+}
+
+#ifndef VMMC_WITH_MPS
+EXPORT_SYMBOL (ifx_mps_register_wdog_callback);
+#endif /* !VMMC_WITH_MPS */
+
+#endif /* SYSTEM_FALCON */
--- a/src/mps/drv_mps_vmmc_common.c
+++ b/src/mps/drv_mps_vmmc_common.c
@@ -66,6 +66,10 @@ static void inline bsp_mask_and_ack_irq(
 #  include <asm/ifx/ifx_regs.h>
 #  include <asm/ifx/ifx_gptu.h>
 #endif
+#if defined(SYSTEM_FALCON)
+#include <sys1_reg.h>
+#include <sysctrl.h>
+#endif
 
 #include "drv_mps_vmmc.h"
 #include "drv_mps_vmmc_dbg.h"
@@ -1156,7 +1160,12 @@ IFX_uint32_t ifx_mps_init_structures (mp
       mailbox, * upstream and downstream direction. */
    memset (
 	/* avoid to overwrite CPU boot registers */
+#if defined(SYSTEM_FALCON)
+	   (IFX_void_t *) MBX_Memory +
+           2 * sizeof (mps_boot_cfg_reg),
+#else
 	   (IFX_void_t *) MBX_Memory,
+#endif
            0,
            sizeof (mps_mbx_reg) - 2 * sizeof (mps_boot_cfg_reg));
    MBX_Memory->MBX_UPSTR_CMD_BASE =
@@ -2651,7 +2660,6 @@ IFX_void_t ifx_mps_enable_mailbox_int ()
 #endif
 
    *IFX_MPS_AD0ENR = Ad0Reg.val;
-
 }
 
 /**
@@ -2669,6 +2677,7 @@ IFX_void_t ifx_mps_disable_mailbox_int (
    Ad0Reg.fld.cu_mbx = 0;
    Ad0Reg.fld.du_mbx = 0;
    *IFX_MPS_AD0ENR = Ad0Reg.val;
+
 }
 
 /**
@@ -2766,11 +2775,13 @@ irqreturn_t ifx_mps_ad0_irq (IFX_int32_t
    /* handle only enabled interrupts */
    MPS_Ad0StatusReg.val &= *IFX_MPS_AD0ENR;
 
+#if !defined(SYSTEM_FALCON)
 #ifdef LINUX_2_6
    bsp_mask_and_ack_irq (irq);
 #else /* */
    mask_and_ack_danube_irq (irq);
 #endif /* */
+#endif /* !defined(SYSTEM_FALCON) */
    /* FW is up and ready to process commands */
    if (MPS_Ad0StatusReg.fld.dl_end)
    {
@@ -2919,11 +2930,13 @@ irqreturn_t ifx_mps_ad1_irq (IFX_int32_t
    /* handle only enabled interrupts */
    MPS_Ad1StatusReg.val &= *IFX_MPS_AD1ENR;
 
+#if !defined(SYSTEM_FALCON)
 #ifdef LINUX_2_6
    bsp_mask_and_ack_irq (irq);
 #else /* */
    mask_and_ack_danube_irq (irq);
 #endif /* */
+#endif /* !defined(SYSTEM_FALCON) */
    pMPSDev->event.MPS_Ad1Reg.val = MPS_Ad1StatusReg.val;
 
    /* use callback function or queue wake up to notify about data reception */
@@ -2977,11 +2990,13 @@ irqreturn_t ifx_mps_vc_irq (IFX_int32_t
    IFX_MPS_CVC0SR[chan] = MPS_VCStatusReg.val;
    /* handle only enabled interrupts */
    MPS_VCStatusReg.val &= IFX_MPS_VC0ENR[chan];
+#if !defined(SYSTEM_FALCON)
 #ifdef LINUX_2_6
    bsp_mask_and_ack_irq (irq);
 #else /* */
    mask_and_ack_danube_irq (irq);
 #endif /* */
+#endif /* !defined(SYSTEM_FALCON) */
 
    pMPSDev->event.MPS_VCStatReg[chan].val = MPS_VCStatusReg.val;
 #ifdef PRINT_ON_ERR_INTERRUPT
@@ -3126,6 +3141,7 @@ IFX_int32_t ifx_mps_get_fw_version (IFX_
  */
 IFX_return_t ifx_mps_init_gpt ()
 {
+#if !defined(SYSTEM_FALCON)
    unsigned long flags;
    IFX_uint32_t timer_flags, timer, loops = 0;
    IFX_ulong_t count;
@@ -3134,7 +3150,11 @@ IFX_return_t ifx_mps_init_gpt ()
 #else /* Danube */
    timer = TIMER1B;
 #endif /* SYSTEM_AR9 || SYSTEM_VR9 */
+#endif
 
+#if defined(SYSTEM_FALCON)
+   sys_hw_setup ();
+#else
    /* calibration loop - required to syncronize GPTC interrupt with falling
       edge of FSC clock */
    timer_flags =
@@ -3179,7 +3199,7 @@ Probably already in use.\r\n", __FILE__,
 #endif /* DEBUG */
 
    IFXOS_UNLOCKINT (flags);
-
+#endif
    return IFX_SUCCESS;
 }
 
@@ -3194,6 +3214,9 @@ Probably already in use.\r\n", __FILE__,
  */
 IFX_void_t ifx_mps_shutdown_gpt (IFX_void_t)
 {
+#if defined(SYSTEM_FALCON)
+   sys1_hw_deactivate (ACTS_MPS);
+#else
    IFX_uint32_t timer;
 #if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
    timer = TIMER1A;
@@ -3202,6 +3225,7 @@ IFX_void_t ifx_mps_shutdown_gpt (IFX_voi
 #endif /* SYSTEM_AR9 || SYSTEM_VR9 */
 
    ifx_gptu_timer_free (timer);
+#endif
 }
 
 /**
--- a/src/mps/drv_mps_vmmc_device.h
+++ b/src/mps/drv_mps_vmmc_device.h
@@ -22,7 +22,12 @@
 #  include <lantiq_soc.h>
 #  include <gpio.h>
 #define IFXMIPS_MPS_SRAM		((u32 *)(KSEG1 + 0x1F200000))
+#if defined(SYSTEM_FALCON)
+#define IFXMIPS_MPS_BASE_ADDR		(KSEG1 + 0x1D004000)
+#else
 #define IFXMIPS_MPS_BASE_ADDR		(KSEG1 + 0x1F107000)
+#endif
+
 #define IFXMIPS_MPS_CHIPID		((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0344))
 #define IFXMIPS_MPS_VC0ENR		((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0000))
 #define IFXMIPS_MPS_RVC0SR		((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0010))
@@ -73,10 +78,11 @@
 /* MPS Common defines            */
 /* ============================= */
 
-#define MPS_BASEADDRESS 0xBF107000
-#define MPS_RAD0SR      MPS_BASEADDRESS + 0x0004
-
+#if defined(SYSTEM_FALCON)
+#define MBX_BASEADDRESS 0xBF200040
+#else
 #define MBX_BASEADDRESS 0xBF200000
+#endif
 #define VCPU_BASEADDRESS 0xBF208000     /* 0xBF108000 */
 /*---------------------------------------------------------------------------*/
 #if !defined(CONFIG_LANTIQ)
@@ -118,7 +124,6 @@
 /*---------------------------------------------------------------------------*/
 
 #ifdef CONFIG_MPS_EVENT_MBX
-
 #define MBX_CMD_FIFO_SIZE  64 /**< Size of command FIFO in bytes */
 #define MBX_DATA_UPSTRM_FIFO_SIZE 64
 #define MBX_DATA_DNSTRM_FIFO_SIZE 128
@@ -294,6 +299,10 @@ typedef struct
 #ifdef CONFIG_MPS_EVENT_MBX
 typedef struct
 {
+#if defined(SYSTEM_FALCON)
+   mps_boot_cfg_reg MBX_CPU0_BOOT_CFG; /**< CPU0 Boot Configuration */
+   mps_boot_cfg_reg MBX_CPU1_BOOT_CFG; /**< CPU1 Boot Configuration */
+#endif
    volatile IFX_uint32_t *MBX_UPSTR_CMD_BASE;  /**< Upstream Command FIFO Base Address */
    volatile IFX_uint32_t MBX_UPSTR_CMD_SIZE;   /**< Upstream Command FIFO size in byte */
    volatile IFX_uint32_t *MBX_DNSTR_CMD_BASE;  /**< Downstream Command FIFO Base Address */
@@ -317,13 +326,19 @@ typedef struct
    volatile IFX_uint32_t MBX_UPSTR_EVENT_WRITE; /**< Upstream Event FIFO Write Index */
    volatile IFX_uint32_t MBX_EVENT[MBX_EVENT_DATA_WORDS];
    volatile IFX_uint32_t reserved[4];
+#if !defined(SYSTEM_FALCON)
    mps_boot_cfg_reg MBX_CPU0_BOOT_CFG; /**< CPU0 Boot Configuration */
    mps_boot_cfg_reg MBX_CPU1_BOOT_CFG; /**< CPU1 Boot Configuration */
+#endif
 } mps_mbx_reg;
 
 #else /* */
 typedef struct
 {
+#if defined(SYSTEM_FALCON)
+   mps_boot_cfg_reg MBX_CPU0_BOOT_CFG; /**< CPU0 Boot Configuration */
+   mps_boot_cfg_reg MBX_CPU1_BOOT_CFG; /**< CPU1 Boot Configuration */
+#endif
    volatile IFX_uint32_t *MBX_UPSTR_CMD_BASE;  /**< Upstream Command FIFO Base Address */
    volatile IFX_uint32_t MBX_UPSTR_CMD_SIZE;   /**< Upstream Command FIFO size in byte */
    volatile IFX_uint32_t *MBX_DNSTR_CMD_BASE;  /**< Downstream Command FIFO Base Address */
@@ -341,8 +356,10 @@ typedef struct
    volatile IFX_uint32_t MBX_DNSTR_DATA_READ;   /**< Downstream Data FIFO Read Index */
    volatile IFX_uint32_t MBX_DNSTR_DATA_WRITE;  /**< Downstream Data FIFO Write Index */
    volatile IFX_uint32_t MBX_DATA[MBX_DATA_WORDS];
+#if !defined(SYSTEM_FALCON)
    mps_boot_cfg_reg MBX_CPU0_BOOT_CFG; /**< CPU0 Boot Configuration */
    mps_boot_cfg_reg MBX_CPU1_BOOT_CFG; /**< CPU1 Boot Configuration */
+#endif
 } mps_mbx_reg;
 #endif /* CONFIG_MPS_EVENT_MBX */
 
--- a/src/drv_api.h
+++ b/src/drv_api.h
@@ -183,7 +183,7 @@
 #endif
 
 /* TAPI FXS Phone Detection feature is not available for Danube platform */
-#if defined(TAPI_PHONE_DETECTION) && (defined(SYSTEM_AR9) || defined(SYSTEM_VR9))
+#if defined(TAPI_PHONE_DETECTION) && (defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON))
 #define VMMC_CFG_ADD_FEAT_PHONE_DETECTION VMMC_FEAT_PHONE_DETECTION
 #else
 #define VMMC_CFG_ADD_FEAT_PHONE_DETECTION 0
--- a/src/drv_vmmc_alm.c
+++ b/src/drv_vmmc_alm.c
@@ -800,7 +800,7 @@ IFX_void_t VMMC_ALM_Free_Ch_Structures (
 }
 
 
-#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
 /**
    Check whether SmartSLIC is connected
 
@@ -836,7 +836,7 @@ IFX_boolean_t VMMC_ALM_SmartSLIC_IsConne
 #endif /*SYSTEM_AR9 || SYSTEM_VR9*/
 
 
-#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
 /**
    Read the number of channels on the SmartSLIC.
 
@@ -1876,7 +1876,7 @@ IFX_int32_t VMMC_TAPI_LL_ALM_VMMC_Test_L
       /* write updated message contents */
       ret = CmdWrite (pDev, (IFX_uint32_t *)((IFX_void_t *)&debugCfg),
                       DCCTL_CMD_LEN);
-#elif defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#elif defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
       IFX_uint32_t dcctrlLoop[2];
       IFX_uint32_t ch = (IFX_uint32_t)(pCh->nChannel - 1);
 
--- a/src/drv_vmmc_alm.h
+++ b/src/drv_vmmc_alm.h
@@ -65,7 +65,7 @@ extern IFX_void_t irq_VMMC_ALM_LineDisab
 extern IFX_void_t VMMC_ALM_CorrectLinemodeCache (VMMC_CHANNEL *pCh,
                                                  IFX_uint16_t lm);
 
-#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
 extern IFX_boolean_t VMMC_ALM_SmartSLIC_IsConnected (
                         VMMC_DEVICE *pDev);
 
--- a/src/drv_vmmc_init.c
+++ b/src/drv_vmmc_init.c
@@ -52,15 +52,6 @@
 #include "ifx_pmu.h"
 #endif /* PMU_SUPPORTED */
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,28))
-#  define IFX_MPS_CAD0SR IFXMIPS_MPS_CAD0SR
-#  define IFX_MPS_CAD1SR IFXMIPS_MPS_CAD1SR
-#  define IFX_MPS_CVC0SR IFXMIPS_MPS_CVC0SR
-#  define IFX_MPS_CVC1SR IFXMIPS_MPS_CVC1SR
-#  define IFX_MPS_CVC2SR IFXMIPS_MPS_CVC2SR
-#  define IFX_MPS_CVC3SR IFXMIPS_MPS_CVC3SR
-#endif
-
 /* ============================= */
 /* Local Macros & Definitions    */
 /* ============================= */
@@ -820,7 +811,7 @@ static IFX_int32_t VMMC_TAPI_LL_FW_Init(
                                            MIN_FW_HOTFIXSTEP};
    IFX_uint8_t          tmp1, tmp2;
    IFX_TAPI_RESOURCE    nResource;
-#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
    IFX_uint8_t          nChannels, nFXOChannels;
 #endif /*SYSTEM_AR9 || SYSTEM_VR9*/
    IFX_int32_t          ret = VMMC_statusOk;
@@ -874,7 +865,7 @@ static IFX_int32_t VMMC_TAPI_LL_FW_Init(
    pDev->bSmartSlic = IFX_FALSE;
    pDev->bSlicSupportsIdleMode = IFX_FALSE;
 
-#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
    if (VMMC_SUCCESS(ret))
    {
       /* Reduce the number of ALM channels in the capabilities if the SLIC
--- a/src/drv_vmmc_ioctl.c
+++ b/src/drv_vmmc_ioctl.c
@@ -273,7 +273,7 @@ IFX_int32_t VMMC_Dev_Spec_Ioctl (IFX_TAP
       case FIO_GET_VERS:
       {
          VMMC_IO_VERSION *pVers;
-#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
          VMMC_SDD_REVISION_READ_t *pSDDVersCmd = IFX_NULL;
 #endif /*SYSTEM_AR9 || SYSTEM_VR9*/
          SYS_VER_t *pCmd;
@@ -322,7 +322,7 @@ IFX_int32_t VMMC_Dev_Spec_Ioctl (IFX_TAP
             pVers->nTapiVers   = 3;
             pVers->nDrvVers    = MAJORSTEP << 24 | MINORSTEP << 16 |
                                  VERSIONSTEP << 8 | VERS_TYPE;
-#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9)
+#if defined(SYSTEM_AR9) || defined(SYSTEM_VR9) || defined(SYSTEM_FALCON)
             /* in case of SmartSLIC based systems, we can give some more
                versions.*/
             if (VMMC_ALM_SmartSLIC_IsConnected(pDev))