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/******************************************************************************
* LEGAL NOTICE *
* *
* USE OF THIS SOFTWARE (including any copy or compiled version thereof) AND *
* DOCUMENTATION IS SUBJECT TO THE SOFTWARE LICENSE AND RESTRICTIONS AND THE *
* WARRANTY DISLCAIMER SET FORTH IN LEGAL_NOTICE.TXT FILE. IF YOU DO NOT *
* FULLY ACCEPT THE TERMS, YOU MAY NOT INSTALL OR OTHERWISE USE THE SOFTWARE *
* OR DOCUMENTATION. *
* NOTWITHSTANDING ANYTHING TO THE CONTRARY IN THIS NOTICE, INSTALLING OR *
* OTHERISE USING THE SOFTWARE OR DOCUMENTATION INDICATES YOUR ACCEPTANCE OF *
* THE LICENSE TERMS AS STATED. *
* *
******************************************************************************/
/* Version: 1.8.9\3686 */
/* Build : 13 */
/* Date : 12/08/2012 */
/**
\cond OS_LINUX
*/
/**
\file
\brief Linux implementation of OS depended CellGuide CPU API
\attention This file should not be modified.
If you think something is wrong here, please contact CellGuide
*/
#include <stdarg.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/cdev.h>
#include <linux/interrupt.h>
#include <linux/workqueue.h>
#include <linux/dma-mapping.h>
#include <linux/wait.h>
#include <linux/sched.h>
#include <linux/time.h>
#include <asm/io.h>
#include <asm/dma.h>
#include <asm/cacheflush.h>
#include "CgCpuOs.h"
#include "CgCpu.h"
#include "platform.h"
TCgReturnCode CgCpuIntrDone(U32 aInterruptCode)
{
TCgReturnCode rc = ECgOk;
//InterruptDone(aInterruptCode);
return rc;
}
TCgReturnCode CgCpuVirtualAllocate(volatile void **pObject, unsigned long aBaseAddr, unsigned long aSize)
{
ASSERT_NOT_NULL(pObject);
*pObject = ioremap_nocache(aBaseAddr, aSize);
return (*pObject != NULL) ? ECgOk : ECgErrMemory;
}
TCgReturnCode CgCpuVirtualFree(volatile void **pObject)
{
ASSERT_NOT_NULL(pObject);
iounmap((void *)*pObject);
*pObject = NULL;
return ECgOk;
}
TCgReturnCode CgCpuPhysicalAllocate(void **pObject, U32 *pAddress, U32 aSize)
{
DBG_FUNC_NAME("CgCpuPhysicalAllocate")
TCgReturnCode rc = ECgOk;
ASSERT_NOT_NULL(pObject);
//DBGMSG1("Trying to allocate %d bytes", aSize);
//*pObject = dma_alloc_writecombine(0, aSize + 32, (dma_addr_t *)pAddress, GFP_KERNEL);
if(*pObject == NULL) {
DBGMSG("Error! Failed allocating buffer");
rc = ECgErrMemory;
}
else {
DBGMSG2("buffer allocated: ptr=0x%08X, addr=0x%08X", *pObject, *pAddress);
// memset((void *)*pObject, 0, aSize);
}
*pObject = (unsigned char *)((((unsigned long)*pObject + 32 - 1) / 32) * 32);
*pAddress = ((*pAddress + 32 - 1) / 32) * 32;
return rc;
}
TCgReturnCode CgCpuPhysicalFree(void **pObject, U32 *pAddress, unsigned long aSize)
{
DBG_FUNC_NAME("CgCpuPhysicalFree")
TCgReturnCode rc = ECgOk;
ASSERT_NOT_NULL(pObject);
DBGMSG1("pObject=0x%08X", *pObject);
if (*pAddress != 0)
// dma_free_writecombine(0, aSize + 32, *pObject, *pAddress);
*pObject = NULL;
return rc;
}
TCgReturnCode CgxCpuReadMemory(U32 aBaseAddr, U32 aOffset, U32 *apValue)
{
DBG_FUNC_NAME("CgxCpuReadMemory")
DBGMSG1("read addd ress %x",aBaseAddr);
*apValue = sci_glb_read((aBaseAddr + aOffset),-1UL);
return ECgOk;
}
TCgReturnCode CgxCpuWriteMemory(U32 aBaseAddr, U32 aOffset, U32 aValue)
{
DBG_FUNC_NAME("CgxCpuWriteMemory")
DBGMSG1("addd ress %x",aBaseAddr);
sci_glb_write((aBaseAddr + aOffset), aValue, -1UL);
return ECgOk;
}
TCgReturnCode CgCpuKernelModeEnter(void)
{
return ECgOk;
}
TCgReturnCode CgCpuKernelModeExit(void)
{
return ECgOk;
}
TCgReturnCode CgCpuCacheSync(void)
{
//DBG_FUNC_NAME("CgCpuCacheSync")
#ifndef ACP_PORT
flush_cache_all();
#else
DBGMSG("enable ACP");
#endif
return ECgOk;
}
#ifdef TRACE_ON
#define MAX_LINE_LENGTH 256
TCgReturnCode CgxCpuPrint(char *aText)
{
printk(KERN_EMERG "%s", aText);
return ECgOk;
}
TCgReturnCode CgxCpuMsg(const char *aFuncName, const char *aFileName, U32 aLineNum, char *aFormat, ...)
{
#if 0
va_list args;
char buf[MAX_LINE_LENGTH]= {0};
int n = 0;
U32 curTickMSec = 0;
va_start(args, aFormat); // prepare the arguments
n = vsnprintf(buf, MAX_LINE_LENGTH, aFormat, args);
va_end(args); // clean the stack
// Get current tick
CgxCpuTick(&curTickMSec);
if (n > 0)
printk(KERN_EMERG ">>> %d.%03d %s[%d]: %s\n", curTickMSec / 1000, curTickMSec % 1000, aFuncName, (int)aLineNum, buf);
#endif
return ECgOk;
}
#endif
TCgReturnCode CgxCpuSleep(U32 milliSeconds)
{
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout (milliSeconds);
return ECgOk;
}
#ifndef CG_HAS_CPU_TICK
TCgReturnCode CgxCpuTick(U32 * apTickMSec)
{
struct timespec t = current_kernel_time();
*apTickMSec = t.tv_sec * 1000 + t.tv_nsec / 1000000;
return ECgOk;
}
#endif
/** \endcond */
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