[processor-sdk/performance-audio-sr.git] / pdk_k2g_1_0_1 / packages / ti / boot / sbl / soc / am57xx / mailbox.c
diff --git a/pdk_k2g_1_0_1/packages/ti/boot/sbl/soc/am57xx/mailbox.c b/pdk_k2g_1_0_1/packages/ti/boot/sbl/soc/am57xx/mailbox.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (c) 2015, Texas Instruments Incorporated
- * All rights reserved.
- *
- * 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/csl/tistdtypes.h>
-#include "mailbox.h"
-
-#define HW_WR_REG32(addr, data) *(unsigned int*)(addr) =(unsigned int)(data)
-
-#define HW_RD_REG32(x) (*((volatile uint32_t *)(x)))
-
- uint32_t MailboxGetMessage(uint32_t baseAdd, uint32_t queueId, uint32_t *msgPtr)
-{
- uint32_t msgCount;
- uint32_t retval;
-
- msgCount = HW_RD_REG32(baseAdd + MAILBOX_MSGSTATUS(queueId));
-
- if (msgCount > 0U)
- {
- /* Read message */
- *msgPtr = HW_RD_REG32(baseAdd + MAILBOX_MESSAGE(queueId));
- retval = MESSAGE_VALID;
- }
- else
- {
- /* Queue empty*/
- retval = MESSAGE_INVALID;
- }
-
- return retval;
-}
-
-/* ========================================================================== */
-/**
- * @fn This function writes message in the queue
- *
- * @see hal_mailbox.h
- */
-uint32_t MailboxSendMessage(uint32_t baseAdd, uint32_t queueId, uint32_t msg)
-{
- uint32_t fifoFull;
- uint32_t retval;
-
- /* Read the FIFO Status */
- fifoFull = HW_RD_REG32(baseAdd + MAILBOX_FIFOSTATUS(queueId));
- if (fifoFull == 0)
- {
- /* FIFO not full write msg */
- HW_WR_REG32(baseAdd + MAILBOX_MESSAGE(queueId), msg);
- retval = MESSAGE_VALID;
- }
- else
- {
- retval = MESSAGE_INVALID;
- }
-
- return retval;
-}