mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 05:42:58 +00:00
422 lines
11 KiB
C
422 lines
11 KiB
C
/**
|
|
* @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
|
|
}
|