Merge branch 'master' of http://www.denx.de/git/u-boot

1 files changed, 422 insertions, 0 deletions

diff --git a/cpu/ixp/npe/IxFeatureCtrl.c b/cpu/ixp/npe/IxFeatureCtrl.c
new file mode 100644
index 0000000..e02aabf
--- /dev/null
+++ b/cpu/ixp/npe/IxFeatureCtrl.c
@@ -0,0 +1,422 @@
+/**
+ * @file IxFeatureCtrl.c
+ *
+ * @author Intel Corporation
+ * @date 29-Jan-2003
+ *
+ * @brief Feature Control Public API Implementation
+ *
+ * 
+ * @par
+ * IXP400 SW Release version 2.0
+ * 
+ * -- Copyright Notice --
+ * 
+ * @par
+ * Copyright 2001-2005, Intel Corporation.
+ * All rights reserved.
+ * 
+ * @par
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Intel Corporation nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * @par
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * 
+ * @par
+ * -- End of Copyright Notice --
+*/
+
+#include "IxOsal.h"
+#include "IxVersionId.h"
+#include "IxFeatureCtrl.h"
+
+/* Macro to read from the Feature Control Register */
+#define IX_FEATURE_CTRL_READ(result) \
+do { \
+ixFeatureCtrlExpMap(); \
+(result) = IX_OSAL_READ_LONG(ixFeatureCtrlRegister); \
+} while (0)
+
+/* Macro to write to the Feature Control Register */
+#define IX_FEATURE_CTRL_WRITE(value) \
+do { \
+ixFeatureCtrlExpMap(); \
+IX_OSAL_WRITE_LONG(ixFeatureCtrlRegister, (value)); \
+} while (0)
+
+/*
+ * This is the offset of the feature register relative to the base of the
+ * Expansion Bus Controller MMR.
+ */
+#define IX_FEATURE_CTRL_REG_OFFSET (0x00000028)
+
+
+/* Boolean to mark the fact that the EXP_CONFIG address space was mapped */
+PRIVATE BOOL ixFeatureCtrlExpCfgRegionMapped = FALSE;
+
+/* Pointer holding the virtual address of the Feature Control Register */
+PRIVATE VUINT32 *ixFeatureCtrlRegister = NULL;
+
+/* Place holder to store the software configuration */
+PRIVATE BOOL swConfiguration[IX_FEATURECTRL_SWCONFIG_MAX];
+
+/* Flag to control swConfiguration[] is initialized once */
+PRIVATE BOOL swConfigurationFlag = FALSE ;
+
+/* Array containing component mask values */
+#ifdef __ixp42X
+UINT32 componentMask[IX_FEATURECTRL_MAX_COMPONENTS] = {
+    (0x1<<IX_FEATURECTRL_RCOMP),
+    (0x1<<IX_FEATURECTRL_USB),
+    (0x1<<IX_FEATURECTRL_HASH),
+    (0x1<<IX_FEATURECTRL_AES),
+    (0x1<<IX_FEATURECTRL_DES),
+    (0x1<<IX_FEATURECTRL_HDLC),
+    (0x1<<IX_FEATURECTRL_AAL),
+    (0x1<<IX_FEATURECTRL_HSS),
+    (0x1<<IX_FEATURECTRL_UTOPIA),
+    (0x1<<IX_FEATURECTRL_ETH0),
+    (0x1<<IX_FEATURECTRL_ETH1),
+    (0x1<<IX_FEATURECTRL_NPEA),
+    (0x1<<IX_FEATURECTRL_NPEB),
+    (0x1<<IX_FEATURECTRL_NPEC),
+    (0x1<<IX_FEATURECTRL_PCI),
+    IX_FEATURECTRL_COMPONENT_NOT_AVAILABLE,
+    (0x3<<IX_FEATURECTRL_UTOPIA_PHY_LIMIT),
+    (0x1<<IX_FEATURECTRL_UTOPIA_PHY_LIMIT_BIT2),
+    IX_FEATURECTRL_COMPONENT_NOT_AVAILABLE,
+    IX_FEATURECTRL_COMPONENT_NOT_AVAILABLE,
+    IX_FEATURECTRL_COMPONENT_NOT_AVAILABLE,
+    IX_FEATURECTRL_COMPONENT_NOT_AVAILABLE,
+    IX_FEATURECTRL_COMPONENT_NOT_AVAILABLE
+};
+#elif defined (__ixp46X)
+UINT32 componentMask[IX_FEATURECTRL_MAX_COMPONENTS] = {
+    (0x1<<IX_FEATURECTRL_RCOMP),
+    (0x1<<IX_FEATURECTRL_USB),
+    (0x1<<IX_FEATURECTRL_HASH),
+    (0x1<<IX_FEATURECTRL_AES),
+    (0x1<<IX_FEATURECTRL_DES),
+    (0x1<<IX_FEATURECTRL_HDLC),
+    IX_FEATURECTRL_COMPONENT_ALWAYS_AVAILABLE,  /* AAL component is always on */
+    (0x1<<IX_FEATURECTRL_HSS),
+    (0x1<<IX_FEATURECTRL_UTOPIA),
+    (0x1<<IX_FEATURECTRL_ETH0),
+    (0x1<<IX_FEATURECTRL_ETH1),
+    (0x1<<IX_FEATURECTRL_NPEA),
+    (0x1<<IX_FEATURECTRL_NPEB),
+    (0x1<<IX_FEATURECTRL_NPEC),
+    (0x1<<IX_FEATURECTRL_PCI),
+    (0x1<<IX_FEATURECTRL_ECC_TIMESYNC),
+    (0x3<<IX_FEATURECTRL_UTOPIA_PHY_LIMIT),
+    (0x1<<IX_FEATURECTRL_UTOPIA_PHY_LIMIT_BIT2), /* NOT TO BE USED */
+    (0x1<<IX_FEATURECTRL_USB_HOST_CONTROLLER),
+    (0x1<<IX_FEATURECTRL_NPEA_ETH),
+    (0x1<<IX_FEATURECTRL_NPEB_ETH),
+    (0x1<<IX_FEATURECTRL_RSA),
+    (0x3<<IX_FEATURECTRL_XSCALE_MAX_FREQ),
+    (0x1<<IX_FEATURECTRL_XSCALE_MAX_FREQ_BIT2)
+};
+#endif /* __ixp42X */
+
+/**
+ * Forward declaration
+ */
+PRIVATE
+void ixFeatureCtrlExpMap(void);
+
+PRIVATE 
+void ixFeatureCtrlSwConfigurationInit(void);
+
+/**
+ * Function to map EXP_CONFIG space
+ */
+PRIVATE
+void ixFeatureCtrlExpMap(void)
+{
+    UINT32 expCfgBaseAddress = 0;
+
+    /* If the EXP Configuration space has already been mapped then
+     * return */
+    if (ixFeatureCtrlExpCfgRegionMapped == TRUE)
+    {
+	return;
+    }
+
+    /* Map (get virtual address) for the EXP_CONFIG space */
+    expCfgBaseAddress = (UINT32)
+	(IX_OSAL_MEM_MAP(IX_OSAL_IXP400_EXP_BUS_REGS_PHYS_BASE,
+			   IX_OSAL_IXP400_EXP_REG_MAP_SIZE));
+
+    /* Assert that the mapping operation succeeded */
+    IX_OSAL_ASSERT(expCfgBaseAddress);
+
+    /* Set the address of the Feature register */
+    ixFeatureCtrlRegister =
+	(VUINT32 *) (expCfgBaseAddress + IX_FEATURE_CTRL_REG_OFFSET);
+
+    /* Mark the fact that the EXP_CONFIG space has already been mapped */
+    ixFeatureCtrlExpCfgRegionMapped = TRUE;
+}
+
+/**
+ * Function definition: ixFeatureCtrlSwConfigurationInit
+ * This function will only initialize software configuration once.
+ */
+PRIVATE void ixFeatureCtrlSwConfigurationInit(void)
+{
+  UINT32 i;
+  if (FALSE == swConfigurationFlag)
+  {
+    for (i=0; i<IX_FEATURECTRL_SWCONFIG_MAX ; i++)
+    {
+        /* By default, all software configuration are enabled */
+        swConfiguration[i]= TRUE ;
+    }
+    /*Make sure this function only initializes swConfiguration[] once*/
+    swConfigurationFlag = TRUE ;
+  }  
+}
+
+/**
+ * Function definition: ixFeatureCtrlRead
+ */
+IxFeatureCtrlReg 
+ixFeatureCtrlRead (void)
+{
+    IxFeatureCtrlReg result;
+
+#if CPU!=SIMSPARCSOLARIS
+    /* Read the feature control register */
+    IX_FEATURE_CTRL_READ(result);
+    return result;
+#else
+    /* Return an invalid value for VxWorks simulation */
+    result = 0xFFFFFFFF;
+    return result;
+#endif
+}
+
+/**
+ * Function definition: ixFeatureCtrlWrite
+ */
+void
+ixFeatureCtrlWrite (IxFeatureCtrlReg expUnitReg)
+{
+#if CPU!=SIMSPARCSOLARIS
+    /* Write value to feature control register */
+    IX_FEATURE_CTRL_WRITE(expUnitReg);
+#endif
+}
+
+
+/**
+ * Function definition: ixFeatureCtrlHwCapabilityRead
+ */
+IxFeatureCtrlReg
+ixFeatureCtrlHwCapabilityRead (void)
+{ 
+  IxFeatureCtrlReg currentReg, hwCapability;
+  
+  /* Capture a copy of feature control register */
+  currentReg = ixFeatureCtrlRead(); 
+
+  /* Try to enable all hardware components. 
+   * Only software disable hardware can be enabled again */
+  ixFeatureCtrlWrite(0);
+  
+  /* Read feature control register to know the hardware capability. */ 
+  hwCapability = ixFeatureCtrlRead();
+     
+  /* Restore initial feature control value */
+  ixFeatureCtrlWrite(currentReg);
+
+  /* return Hardware Capability */
+  return hwCapability;  
+}
+
+
+/**
+ * Function definition: ixFeatureCtrlComponentCheck
+ */
+IX_STATUS 
+ixFeatureCtrlComponentCheck (IxFeatureCtrlComponentType componentType)
+{
+  IxFeatureCtrlReg expUnitReg; 
+  UINT32 mask = 0;
+
+  /* Lookup mask of component */
+  mask=componentMask[componentType];
+
+  /* Check if mask is available or not */
+  if(IX_FEATURECTRL_COMPONENT_NOT_AVAILABLE == mask)
+  {
+      return IX_FEATURE_CTRL_COMPONENT_DISABLED;
+  }
+
+  if(IX_FEATURECTRL_COMPONENT_ALWAYS_AVAILABLE == mask)
+  {
+      return IX_FEATURE_CTRL_COMPONENT_ENABLED;
+  }
+
+  /* Read feature control register to know current hardware capability. */ 
+  expUnitReg = ixFeatureCtrlRead();
+
+  /* For example: To check for Hashing Coprocessor (bit-2) 
+   *                   expUniteg    = 0x0010
+   *                  ~expUnitReg   = 0x1101 
+   *                  componentType = 0x0100
+   *    ~expUnitReg & componentType = 0x0100 (Not zero)                      
+   */
+ 
+  /* 
+   * Inverse the bit value because available component is 0 in value 
+   */
+  expUnitReg = ~expUnitReg ;
+
+  if (expUnitReg & mask)
+  {
+     return (IX_FEATURE_CTRL_COMPONENT_ENABLED);
+  }   
+  else
+  {  
+     return (IX_FEATURE_CTRL_COMPONENT_DISABLED);
+  } 
+}
+
+
+/**
+ * Function definition: ixFeatureCtrlProductIdRead
+ */
+IxFeatureCtrlProductId
+ixFeatureCtrlProductIdRead ()
+{
+#if CPU!=SIMSPARCSOLARIS
+  IxFeatureCtrlProductId  pdId = 0 ;
+   
+  /* Use ARM instruction to move register0 from coprocessor to ARM register */ 
+    
+#ifndef __wince
+    __asm("mrc p15, 0, %0, cr0, cr0, 0;" : "=r"(pdId) :); 
+#else
+      
+#ifndef IN_KERNEL
+        BOOL  mode;
+#endif
+    extern  IxFeatureCtrlProductId AsmixFeatureCtrlProductIdRead();
+    
+#ifndef IN_KERNEL
+    mode = SetKMode(TRUE);
+#endif
+    pdId = AsmixFeatureCtrlProductIdRead();
+#ifndef IN_KERNEL
+    SetKMode(mode);
+#endif
+
+#endif
+  return (pdId);
+#else
+  /* Return an invalid value for VxWorks simulation */
+  return 0xffffffff;
+#endif
+}
+
+/**
+ * Function definition: ixFeatureCtrlDeviceRead
+ */
+IxFeatureCtrlDeviceId
+ixFeatureCtrlDeviceRead ()
+{
+  return ((ixFeatureCtrlProductIdRead() >> IX_FEATURE_CTRL_DEVICE_TYPE_OFFSET) 
+             & IX_FEATURE_CTRL_DEVICE_TYPE_MASK);
+} /* End function ixFeatureCtrlDeviceRead */
+
+
+/**
+ * Function definition: ixFeatureCtrlSwConfigurationCheck
+ */
+IX_STATUS
+ixFeatureCtrlSwConfigurationCheck (IxFeatureCtrlSwConfig swConfigType)
+{
+  if (swConfigType >= IX_FEATURECTRL_SWCONFIG_MAX)  
+  {
+     ixOsalLog(IX_OSAL_LOG_LVL_WARNING, 
+               IX_OSAL_LOG_DEV_STDOUT,
+               "FeatureCtrl: Invalid software configuraiton input.\n",
+               0, 0, 0, 0, 0, 0);  
+
+     return IX_FEATURE_CTRL_SWCONFIG_DISABLED;
+  }
+
+  /* The function will only initialize once. */
+  ixFeatureCtrlSwConfigurationInit();
+  
+  /* Check and return software configuration */
+  return  ((swConfiguration[(UINT32)swConfigType] == TRUE) ? IX_FEATURE_CTRL_SWCONFIG_ENABLED: IX_FEATURE_CTRL_SWCONFIG_DISABLED);
+}
+
+/**
+ * Function definition: ixFeatureCtrlSwConfigurationWrite
+ */
+void
+ixFeatureCtrlSwConfigurationWrite (IxFeatureCtrlSwConfig swConfigType, BOOL enabled)
+{
+  if (swConfigType >= IX_FEATURECTRL_SWCONFIG_MAX)  
+  {
+     ixOsalLog(IX_OSAL_LOG_LVL_WARNING, 
+               IX_OSAL_LOG_DEV_STDOUT,
+               "FeatureCtrl: Invalid software configuraiton input.\n",
+               0, 0, 0, 0, 0, 0);  
+
+     return;
+  }
+
+  /* The function will only initialize once. */
+  ixFeatureCtrlSwConfigurationInit();
+  
+  /* Write software configuration */
+  swConfiguration[(UINT32)swConfigType]=enabled ;
+}
+
+/**
+ * Function definition: ixFeatureCtrlIxp400SwVersionShow
+ */
+void
+ixFeatureCtrlIxp400SwVersionShow (void)
+{
+    printf ("\nIXP400 Software Release %s %s\n\n", IX_VERSION_ID, IX_VERSION_INTERNAL_ID);
+
+}
+
+/**
+ * Function definition: ixFeatureCtrlSoftwareBuildGet
+ */
+IxFeatureCtrlBuildDevice
+ixFeatureCtrlSoftwareBuildGet (void)
+{
+    #ifdef __ixp42X
+    return IX_FEATURE_CTRL_SW_BUILD_IXP42X;
+    #else
+    return IX_FEATURE_CTRL_SW_BUILD_IXP46X;
+    #endif
+}