[keystone-rtos/edma3_lld.git] / packages / ti / sdo / edma3 / drv / sample / src / platforms / sample_dra72x_arm_int_reg.c
diff --git a/packages/ti/sdo/edma3/drv/sample/src/platforms/sample_dra72x_arm_int_reg.c b/packages/ti/sdo/edma3/drv/sample/src/platforms/sample_dra72x_arm_int_reg.c
--- /dev/null
@@ -0,0 +1,339 @@
+/*
+ * sample_tda2xx_int_reg.c
+ *
+ * Platform specific interrupt registration and un-registration routines.
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 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.
+ *
+ * Neither the name of Texas Instruments Incorporated nor the names of
+ * its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 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.
+ *
+*/
+
+#include <ti/sysbios/knl/Semaphore.h>
+#include <ti/sysbios/hal/Hwi.h>
+#include <ti/sysbios/family/shared/vayu/IntXbar.h>
+#include <ti/sysbios/family/arm/a15/Mmu.h>
+#include <xdc/runtime/Error.h>
+#include <xdc/runtime/System.h>
+
+#include <ti/sdo/edma3/drv/sample/bios6_edma3_drv_sample.h>
+
+/**
+ * EDMA3 TC ISRs which need to be registered with the underlying OS by the user
+ * (Not all TC error ISRs need to be registered, register only for the
+ * available Transfer Controllers).
+ */
+void (*ptrEdma3TcIsrHandler[EDMA3_MAX_TC])(uint32_t arg) =
+ {
+ (void (*)(uint32_t))&lisrEdma3TC0ErrHandler0,
+ (void (*)(uint32_t))&lisrEdma3TC1ErrHandler0,
+ (void (*)(uint32_t))&lisrEdma3TC2ErrHandler0,
+ (void (*)(uint32_t))&lisrEdma3TC3ErrHandler0,
+ (void (*)(uint32_t))&lisrEdma3TC4ErrHandler0,
+ (void (*)(uint32_t))&lisrEdma3TC5ErrHandler0,
+ (void (*)(uint32_t))&lisrEdma3TC6ErrHandler0,
+ (void (*)(uint32_t))&lisrEdma3TC7ErrHandler0,
+ };
+
+extern unsigned int ccXferCompInt[][EDMA3_MAX_REGIONS];
+extern unsigned int ccErrorInt[];
+extern unsigned int tcErrorInt[][EDMA3_MAX_TC];
+extern unsigned int numEdma3Tc[];
+extern unsigned int ccXferCompIntXbarInstNo[][EDMA3_MAX_REGIONS];
+extern unsigned int ccCompEdmaXbarIndex[][EDMA3_MAX_REGIONS];
+extern unsigned int ccErrorIntXbarInstNo[];
+extern unsigned int ccErrEdmaXbarIndex[];
+extern unsigned int tcErrorIntXbarInstNo[][EDMA3_MAX_TC];
+extern unsigned int tcErrEdmaXbarIndex[][EDMA3_MAX_TC];
+
+/**
+ * Variables which will be used internally for referring the hardware interrupt
+ * for various EDMA3 interrupts.
+ */
+extern unsigned int hwIntXferComp[];
+extern unsigned int hwIntCcErr[];
+extern unsigned int hwIntTcErr[];
+
+extern unsigned int dsp_num;
+/* This variable has to be used as an extern */
+unsigned int gpp_num = 0;
+
+Hwi_Handle hwiCCXferCompInt;
+Hwi_Handle hwiCCErrInt;
+Hwi_Handle hwiTCErrInt[EDMA3_MAX_TC];
+
+/* External Instance Specific Configuration Structure */
+extern EDMA3_DRV_GblXbarToChanConfigParams
+ sampleXbarChanInitConfig[][EDMA3_MAX_REGIONS];
+
+typedef struct {
+ volatile Uint32 TPCC_EVTMUX[32];
+} CSL_IntmuxRegs;
+
+typedef volatile CSL_IntmuxRegs *CSL_IntmuxRegsOvly;
+
+#define CSL_INTMUX_TPCC_EVTMUX_TPCCEVT_MUX_1_MASK (0x00FF0000u)
+#define CSL_INTMUX_TPCC_EVTMUX_TPCCEVT_MUX_1_SHIFT (0x00000010u)
+#define CSL_INTMUX_TPCC_EVTMUX_TPCCEVT_MUX_1_RESETVAL (0x00000000u)
+
+#define CSL_INTMUX_TPCC_EVTMUX_TPCCEVT_MUX_0_MASK (0x000000FFu)
+#define CSL_INTMUX_TPCC_EVTMUX_TPCCEVT_MUX_0_SHIFT (0x00000000u)
+#define CSL_INTMUX_TPCC_EVTMUX_TPCCEVT_MUX_0_RESETVAL (0x00000000u)
+
+
+#define EDMA3_MAX_CROSS_BAR_EVENTS_TI814X (127u)
+#define EDMA3_NUM_TCC (64u)
+
+#define EDMA3_EVENT_MUX_REG_BASE_ADDR (0x4a002c78)
+/*
+ * Forward decleration
+ */
+EDMA3_DRV_Result sampleMapXbarEvtToChan (unsigned int eventNum,
+ unsigned int *chanNum,
+ const EDMA3_DRV_GblXbarToChanConfigParams * edmaGblXbarConfig);
+EDMA3_DRV_Result sampleConfigScr (unsigned int eventNum,
+ unsigned int chanNum);
+
+void Edma3MemProtectionHandler(unsigned int edma3InstanceId);
+
+/** To Register the ISRs with the underlying OS, if required. */
+void registerEdma3Interrupts (unsigned int edma3Id)
+ {
+ static UInt32 cookie = 0;
+ unsigned int numTc = 0;
+
+ /*
+ * Skip these interrupt xbar configuration.
+ * if it is accessing EVE internal edma instance ie edma3id = 2 and dsp_num = 1.
+ */
+ if (edma3Id != 2 && dsp_num != 1)
+ {
+ IntXbar_connect(ccXferCompIntXbarInstNo[edma3Id][dsp_num], ccCompEdmaXbarIndex[edma3Id][dsp_num]);
+ IntXbar_connect(ccErrorIntXbarInstNo[edma3Id], ccErrEdmaXbarIndex[edma3Id]);
+ IntXbar_connect(tcErrorIntXbarInstNo[edma3Id][0], tcErrEdmaXbarIndex[edma3Id][0]);
+ IntXbar_connect(tcErrorIntXbarInstNo[edma3Id][1], tcErrEdmaXbarIndex[edma3Id][1]);
+ }
+
+ Hwi_Params hwiParams;
+ Error_Block eb;
+
+ /* Initialize the Error Block */
+ Error_init(&eb);
+
+ /* Disabling the global interrupts */
+ cookie = Hwi_disable();
+
+ /* Initialize the HWI parameters with user specified values */
+ Hwi_Params_init(&hwiParams);
+
+ /* argument for the ISR */
+ hwiParams.arg = edma3Id;
+ /* set the priority ID */
+ //hwiParams.priority = hwIntXferComp[edma3Id];
+
+ hwiCCXferCompInt = Hwi_create( ccXferCompInt[edma3Id][dsp_num],
+ ((Hwi_FuncPtr)&lisrEdma3ComplHandler0),
+ (const Hwi_Params *) (&hwiParams),
+ &eb);
+ if (TRUE == Error_check(&eb))
+ {
+ System_printf("HWI Create Failed\n",Error_getCode(&eb));
+ }
+
+ /* Initialize the HWI parameters with user specified values */
+ Hwi_Params_init(&hwiParams);
+ /* argument for the ISR */
+ hwiParams.arg = edma3Id;
+ /* set the priority ID */
+ //hwiParams.priority = hwIntCcErr[edma3Id];
+
+ hwiCCErrInt = Hwi_create( ccErrorInt[edma3Id],
+ ((Hwi_FuncPtr)&lisrEdma3CCErrHandler0),
+ (const Hwi_Params *) (&hwiParams),
+ &eb);
+
+ if (TRUE == Error_check(&eb))
+ {
+ System_printf("HWI Create Failed\n",Error_getCode(&eb));
+ }
+
+ while (numTc < numEdma3Tc[edma3Id])
+ {
+ /* Initialize the HWI parameters with user specified values */
+ Hwi_Params_init(&hwiParams);
+ /* argument for the ISR */
+ hwiParams.arg = edma3Id;
+ /* set the priority ID */
+ //hwiParams.priority = hwIntTcErr[edma3Id];
+
+ hwiTCErrInt[numTc] = Hwi_create( tcErrorInt[edma3Id][numTc],
+ (ptrEdma3TcIsrHandler[numTc]),
+ (const Hwi_Params *) (&hwiParams),
+ &eb);
+ if (TRUE == Error_check(&eb))
+ {
+ System_printf("HWI Create Failed\n",Error_getCode(&eb));
+ }
+ numTc++;
+ }
+
+ Hwi_enableInterrupt(ccErrorInt[edma3Id]);
+ Hwi_enableInterrupt(ccXferCompInt[edma3Id][dsp_num]);
+ numTc = 0;
+ while (numTc < numEdma3Tc[edma3Id])
+ {
+ Hwi_enableInterrupt(tcErrorInt[edma3Id][numTc]);
+ numTc++;
+ }
+ /* Restore interrupts */
+ Hwi_restore(cookie);
+ }
+
+/** To Unregister the ISRs with the underlying OS, if previously registered. */
+void unregisterEdma3Interrupts (unsigned int edma3Id)
+ {
+ static UInt32 cookie = 0;
+ unsigned int numTc = 0;
+
+ /* Disabling the global interrupts */
+ cookie = Hwi_disable();
+
+ Hwi_delete(&hwiCCXferCompInt);
+ Hwi_delete(&hwiCCErrInt);
+ while (numTc < numEdma3Tc[edma3Id])
+ {
+ Hwi_delete(&hwiTCErrInt[numTc]);
+ numTc++;
+ }
+ /* Restore interrupts */
+ Hwi_restore(cookie);
+ }
+
+/**
+ * \brief sampleMapXbarEvtToChan
+ *
+ * This function reads from the sample configuration structure which specifies
+ * cross bar events mapped to DMA channel.
+ *
+ * \return EDMA3_DRV_SOK if success, else error code
+ */
+EDMA3_DRV_Result sampleMapXbarEvtToChan (unsigned int eventNum,
+ unsigned int *chanNum,
+ const EDMA3_DRV_GblXbarToChanConfigParams * edmaGblXbarConfig)
+ {
+ EDMA3_DRV_Result edma3Result = EDMA3_DRV_E_INVALID_PARAM;
+ unsigned int xbarEvtNum = 0;
+ int edmaChanNum = 0;
+
+ if ((eventNum < EDMA3_MAX_CROSS_BAR_EVENTS_TI814X) &&
+ (chanNum != NULL) &&
+ (edmaGblXbarConfig != NULL))
+ {
+ xbarEvtNum = eventNum - EDMA3_NUM_TCC;
+ edmaChanNum = edmaGblXbarConfig->dmaMapXbarToChan[xbarEvtNum];
+ if (edmaChanNum != -1)
+ {
+ *chanNum = edmaChanNum;
+ edma3Result = EDMA3_DRV_SOK;
+ }
+ }
+ return (edma3Result);
+ }
+
+
+/**
+ * \brief sampleConfigScr
+ *
+ * This function configures control config registers for the cross bar events
+ * mapped to the EDMA channel.
+ *
+ * \return EDMA3_DRV_SOK if success, else error code
+ */
+EDMA3_DRV_Result sampleConfigScr (unsigned int eventNum,
+ unsigned int chanNum)
+ {
+ EDMA3_DRV_Result edma3Result = EDMA3_DRV_SOK;
+ unsigned int scrChanOffset = 0;
+ unsigned int scrRegOffset = 0;
+ unsigned int xBarEvtNum = 0;
+ CSL_IntmuxRegsOvly scrEvtMux = (CSL_IntmuxRegsOvly)(EDMA3_EVENT_MUX_REG_BASE_ADDR);
+
+
+ if ((eventNum < EDMA3_MAX_CROSS_BAR_EVENTS_TI814X) &&
+ (chanNum < EDMA3_NUM_TCC))
+ {
+ scrRegOffset = chanNum / 2;
+ scrChanOffset = chanNum - (scrRegOffset * 2);
+ xBarEvtNum = (eventNum - EDMA3_NUM_TCC) + 1;
+
+ switch(scrChanOffset)
+ {
+ case 0:
+ scrEvtMux->TPCC_EVTMUX[scrRegOffset] |=
+ (xBarEvtNum & CSL_INTMUX_TPCC_EVTMUX_TPCCEVT_MUX_0_MASK);
+ break;
+ case 1:
+ scrEvtMux->TPCC_EVTMUX[scrRegOffset] |=
+ ((xBarEvtNum << CSL_INTMUX_TPCC_EVTMUX_TPCCEVT_MUX_1_SHIFT) &
+ (CSL_INTMUX_TPCC_EVTMUX_TPCCEVT_MUX_1_MASK));
+ break;
+ default:
+ edma3Result = EDMA3_DRV_E_INVALID_PARAM;
+ break;
+ }
+ }
+ else
+ {
+ edma3Result = EDMA3_DRV_E_INVALID_PARAM;
+ }
+ return edma3Result;
+ }
+
+EDMA3_DRV_Result sampleInitXbarEvt(EDMA3_DRV_Handle hEdma,
+ unsigned int edma3Id)
+ {
+ EDMA3_DRV_Result retVal = EDMA3_DRV_SOK;
+ const EDMA3_DRV_GblXbarToChanConfigParams *sampleXbarToChanConfig =
+ &(sampleXbarChanInitConfig[edma3Id][dsp_num]);
+ if (hEdma != NULL)
+ {
+ retVal = EDMA3_DRV_initXbarEventMap(hEdma,
+ sampleXbarToChanConfig,
+ (EDMA3_DRV_mapXbarEvtToChan)&sampleMapXbarEvtToChan,
+ (EDMA3_DRV_xbarConfigScr)&sampleConfigScr);
+ }
+
+ return retVal;
+ }
+
+void Edma3MemProtectionHandler(unsigned int edma3InstanceId)
+ {
+ printf("memory Protection error");
+ }