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add function to reset DSP I/F.

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fix bug.

git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/twl_wrapsdk/trunk@143 4ee2a332-4b2b-5046-8439-1ba90f034370
This commit is contained in:
yutaka 2007-06-28 05:45:38 +00:00
parent e0e56088e6
commit e75aed13fd
2 changed files with 40 additions and 4 deletions
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32
build/libraries/dsp/ARM9/dsp_if.c
View File

@ -15,6 +15,7 @@
*---------------------------------------------------------------------------*/
#include <twl/dsp.h>
#include <nitro/hw/ARM9/ioreg_CFG.h>
#include <nitro/os/common/system.h>
#include <nitro/misc.h>
/*---------------------------------------------------------------------------*
@ -52,7 +53,9 @@ static volatile DSPData *const dspData = (DSPData*)REG_DSP_SEND_DATA_0_ADDR;
*---------------------------------------------------------------------------*/
void DSP_PowerOn(void)
{
reg_CFG_CLK |= REG_CFG_CLK_DSP_MASK;
reg_CFG_DSP_RST &= ~REG_CFG_DSP_RST_OFF_MASK; // DSPブロックのリセット確認
reg_CFG_CLK |= REG_CFG_CLK_DSP_MASK; // DSPブロックの電源On
OS_SpinWaitSysCycles(2); // wait 8 cycle @ 134MHz
reg_CFG_DSP_RST |= REG_CFG_DSP_RST_OFF_MASK; // DSPブロックのリセット解除
DSP_ResetOn(); // DSPコアのリセット設定
}
@ -68,7 +71,7 @@ void DSP_PowerOn(void)
void DSP_PowerOff(void)
{
reg_CFG_DSP_RST &= ~REG_CFG_DSP_RST_OFF_MASK; // DSPブロックのリセット設定
reg_CFG_CLK &= ~REG_CFG_CLK_DSP_MASK;
reg_CFG_CLK &= ~REG_CFG_CLK_DSP_MASK; // DSPブロックの電源Off
}
/*---------------------------------------------------------------------------*
@ -104,6 +107,27 @@ void DSP_ResetOff(void)
reg_DSP_DSP_CONFIG &= ~REG_DSP_DSP_CONFIG_RESET_MASK;
}
/*---------------------------------------------------------------------------*
Name: DSP_ResetInterface
Description: reset interface registers.
it should be called while reset state.
Arguments: None.
Returns: None.
*---------------------------------------------------------------------------*/
void DSP_ResetInterface(void)
{
u16 dummy;
reg_DSP_DSP_CONFIG &= ~REG_DSP_DSP_CONFIG_RECV_DATA_IE_MASK;
reg_DSP_DSP_SEM_SEND_DATA = 0;
reg_DSP_DSP_SEM_RECV_CLEAR = 0xFFFF;
dummy = dspData[0].recv;
dummy = dspData[1].recv;
dummy = dspData[2].recv;
}
/*---------------------------------------------------------------------------*
Name: DSP_EnableRecvDataInterrupt
@ -116,7 +140,7 @@ void DSP_ResetOff(void)
void DSP_EnableRecvDataInterrupt(u32 dataNo)
{
SDK_ASSERT(dataNo >= 0 && dataNo <= 2);
reg_DSP_DSP_CONFIG |= (1 << dataNo) << REG_DSP_DSP_CONFIG_FIFO_IE_SHIFT;
reg_DSP_DSP_CONFIG |= (1 << dataNo) << REG_DSP_DSP_CONFIG_RECV_DATA_IE_SHIFT;
}
/*---------------------------------------------------------------------------*
@ -131,7 +155,7 @@ void DSP_EnableRecvDataInterrupt(u32 dataNo)
void DSP_DisableRecvDataInterrupt(u32 dataNo)
{
SDK_ASSERT(dataNo >= 0 && dataNo <= 2);
reg_DSP_DSP_CONFIG &= ~((1 << dataNo) << REG_DSP_DSP_CONFIG_FIFO_IE_SHIFT);
reg_DSP_DSP_CONFIG &= ~((1 << dataNo) << REG_DSP_DSP_CONFIG_RECV_DATA_IE_SHIFT);
}
/*---------------------------------------------------------------------------*

12
include/twl/dsp/ARM9/dsp_if.h
View File

@ -124,6 +124,18 @@ void DSP_ResetOn(void);
*---------------------------------------------------------------------------*/
void DSP_ResetOff(void);
/*---------------------------------------------------------------------------*
Name: DSP_ResetInterface
Description: reset interface registers.
it should be called while reset state.
Arguments: None.
Returns: None.
*---------------------------------------------------------------------------*/
void DSP_ResetInterface(void);
/*---------------------------------------------------------------------------*
Name: DSP_EnableRecvDataInterrupt