TMS570: Add ESM initialization logic
This commit is contained in:
Gregory Nutt
parent
6d0650349a
commit
e1b1f80237
@ -104,8 +104,8 @@ CHIP_ASRCS =
|
||||
|
||||
# SAMA5-specific C source files
|
||||
|
||||
CHIP_CSRCS = tms570_boot.c tms570_clockconfig.c tms570_gio.c tms570_irq.c
|
||||
CHIP_CSRCS += tms570_lowputc.c tms570_serial.c
|
||||
CHIP_CSRCS = tms570_boot.c tms570_clockconfig.c tms570_esm.c tms570_gio.c
|
||||
CHIP_CSRCS += tms570_irq.c tms570_lowputc.c tms570_serial.c
|
||||
|
||||
# Configuration dependent C and assembly language files
|
||||
|
||||
|
||||
@ -65,7 +65,7 @@
|
||||
#define TMS570_ESM_IECR1_OFFSET 0x000c /* ESM Interrupt Enable Clear/Status Register 1 */
|
||||
#define TMS570_ESM_ILSR1_OFFSET 0x0010 /* Interrupt Level Set/Status Register 1 */
|
||||
#define TMS570_ESM_ILCR1_OFFSET 0x0014 /* Interrupt Level Clear/Status Register 1 */
|
||||
#define TMS570_ESM_SR_OFFSET(n) (0x0018 + ((n) << 2)) /* n=0, 1, 2 */
|
||||
#define TMS570_ESM_SRA_OFFSET(n) (0x0018 + ((n) << 2)) /* n=0, 1, 2 */
|
||||
# define TMS570_ESM_SR1_OFFSET 0x0018 /* ESM Status Register for group 1 */
|
||||
# define TMS570_ESM_SR2_OFFSET 0x001c /* ESM Status Register for group 2 */
|
||||
# define TMS570_ESM_SR3_OFFSET 0x0020 /* ESM Status Register for group 3 */
|
||||
@ -83,6 +83,11 @@
|
||||
#define TMS570_ESM_ILSR4_OFFSET 0x0050 /* Interrupt Level Set/Status Register 4 */
|
||||
#define TMS570_ESM_ILCR4_OFFSET 0x0054 /* Interrupt Level Clear/Status Register 4 */
|
||||
#define TMS570_ESM_SR4_OFFSET 0x0058 /* ESM Status Register 4 */
|
||||
#define TMS570_ESM_SRB_OFFSET(n) (0x0058 + (((n)-4) << 2)) /* n=4, 5, 6 */
|
||||
# define TMS570_ESM_SR4_OFFSET 0x0058 /* ESM Status Register for group 4 */
|
||||
# define TMS570_ESM_SR5_OFFSET 0x005c /* ESM Status Register for group 5 */
|
||||
# define TMS570_ESM_SR6_OFFSET 0x0060 /* ESM Status Register for group 6 */
|
||||
#define TMS570_ESM_SSR5_OFFSET 0x0064 /* ESM Status Shadow Register 5 */
|
||||
|
||||
/* Register Addresses *******************************************************************************/
|
||||
|
||||
@ -92,7 +97,7 @@
|
||||
#define TMS570_ESM_IECR1 (TMS570_ESM_BASE+TMS570_ESM_IECR1_OFFSET)
|
||||
#define TMS570_ESM_ILSR1 (TMS570_ESM_BASE+TMS570_ESM_ILSR1_OFFSET)
|
||||
#define TMS570_ESM_ILCR1 (TMS570_ESM_BASE+TMS570_ESM_ILCR1_OFFSET)
|
||||
#define TMS570_ESM_SR(n) (TMS570_ESM_BASE+TMS570_ESM_SR_OFFSET(n))
|
||||
#define TMS570_ESM_SRA(n) (TMS570_ESM_BASE+TMS570_ESM_SRA_OFFSET(n))
|
||||
# define TMS570_ESM_SR1 (TMS570_ESM_BASE+TMS570_ESM_SR1_OFFSET)
|
||||
# define TMS570_ESM_SR2 (TMS570_ESM_BASE+TMS570_ESM_SR2_OFFSET)
|
||||
# define TMS570_ESM_SR3 (TMS570_ESM_BASE+TMS570_ESM_SR3_OFFSET)
|
||||
@ -110,6 +115,11 @@
|
||||
#define TMS570_ESM_ILSR4 (TMS570_ESM_BASE+TMS570_ESM_ILSR4_OFFSET)
|
||||
#define TMS570_ESM_ILCR4 (TMS570_ESM_BASE+TMS570_ESM_ILCR4_OFFSET)
|
||||
#define TMS570_ESM_SR4 (TMS570_ESM_BASE+TMS570_ESM_SR4_OFFSET)
|
||||
#define TMS570_ESM_SRB(n) (TMS570_ESM_BASE+TMS570_ESM_SRB_OFFSET(n))
|
||||
# define TMS570_ESM_SR4 (TMS570_ESM_BASE+TMS570_ESM_SR4_OFFSET)
|
||||
# define TMS570_ESM_SR5 (TMS570_ESM_BASE+TMS570_ESM_SR5_OFFSET)
|
||||
# define TMS570_ESM_SR6 (TMS570_ESM_BASE+TMS570_ESM_SR6_OFFSET)
|
||||
#define TMS570_ESM_SSR5 (TMS570_ESM_BASE+TMS570_ESM_SSR5_OFFSET)
|
||||
|
||||
/* Register Bit-Field Definitions *******************************************************************/
|
||||
|
||||
|
||||
@ -66,6 +66,7 @@
|
||||
#include "tms570_clockconfig.h"
|
||||
#include "tms570_selftest.h"
|
||||
#include "tms570_gio.h"
|
||||
#include "tms570_esm.h"
|
||||
#include "tms570_boot.h"
|
||||
|
||||
/****************************************************************************
|
||||
@ -310,6 +311,10 @@ void arm_boot(void)
|
||||
#endif
|
||||
);
|
||||
|
||||
/* Configure system response to error conditions */
|
||||
|
||||
tms570_esm_initialize();
|
||||
|
||||
#ifdef CONFIG_ARCH_FPU
|
||||
/* Initialize the FPU */
|
||||
|
||||
|
||||
136
arch/arm/src/tms570/tms570_esm.c
Normal file
136
arch/arm/src/tms570/tms570_esm.c
Normal file
@ -0,0 +1,136 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/tms570/tms570_esm.c
|
||||
*
|
||||
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Derives from the TI "Project0" sample code which has a compatible 3-
|
||||
* clause BSD license:
|
||||
*
|
||||
* Copyright (c) 2012, 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:
|
||||
*
|
||||
* 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 NuttX, 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include "up_arch.h"
|
||||
|
||||
#include "chip/tms570_esm.h"
|
||||
#include "tms570_esm.h"
|
||||
|
||||
#include <arch/board/board.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: tms570_esm_initialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the ESM.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int tms570_esm_initialize(void)
|
||||
{
|
||||
uint32_t regval;
|
||||
|
||||
/* Disable error pin channels */
|
||||
|
||||
putreg32(0xffffffff, TMS570_ESM_DEPAPR1);
|
||||
putreg32(0xffffffff, TMS570_ESM_IEPCR4);
|
||||
|
||||
/* Disable interrupts */
|
||||
|
||||
putreg32(0xffffffff, TMS570_ESM_IECR1);
|
||||
putreg32(0xffffffff, TMS570_ESM_IECR4);
|
||||
|
||||
/* Clear error status flags */
|
||||
|
||||
putreg32(0xffffffff, TMS570_ESM_SR1);
|
||||
putreg32(0xffffffff, TMS570_ESM_SR2);
|
||||
putreg32(0xffffffff, TMS570_ESM_SSR2);
|
||||
putreg32(0xffffffff, TMS570_ESM_SR3);
|
||||
putreg32(0xffffffff, TMS570_ESM_SR4);
|
||||
putreg32(0xffffffff, TMS570_ESM_SR5);
|
||||
putreg32(0xffffffff, TMS570_ESM_SSR5);
|
||||
putreg32(0xffffffff, TMS570_ESM_SR6);
|
||||
|
||||
/* Setup LPC preload */
|
||||
|
||||
putreg32(16384 - 1, TMS570_ESM_LTCPR);
|
||||
|
||||
/* Reset error pin */
|
||||
|
||||
regval = getreg32(TMS570_ESM_EPSR);
|
||||
if (regval == 0)
|
||||
{
|
||||
putreg32(5, TMS570_ESM_EKR);
|
||||
}
|
||||
else
|
||||
{
|
||||
putreg32(0, TMS570_ESM_EKR);
|
||||
}
|
||||
|
||||
/* Clear interrupt level */
|
||||
|
||||
putreg32(0xffffffff, TMS570_ESM_ILCR1);
|
||||
putreg32(0xffffffff, TMS570_ESM_ILCR4);
|
||||
|
||||
/* Set interrupt level */
|
||||
|
||||
putreg32(0, TMS570_ESM_ILSR1);
|
||||
putreg32(0, TMS570_ESM_ILSR4);
|
||||
|
||||
/* Enable error pin channels */
|
||||
|
||||
putreg32(0, TMS570_ESM_EEPAPR1);
|
||||
putreg32(0, TMS570_ESM_IEPSR4);
|
||||
|
||||
/* Enable interrupts */
|
||||
|
||||
putreg32(0, TMS570_ESM_IESR1);
|
||||
putreg32(0, TMS570_ESM_IESR4);
|
||||
return OK;
|
||||
}
|
||||
80
arch/arm/src/tms570/tms570_esm.h
Normal file
80
arch/arm/src/tms570/tms570_esm.h
Normal file
@ -0,0 +1,80 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/tms570/tms570_esm.h
|
||||
*
|
||||
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* 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 NuttX 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_TMS570_TMS570_ESM_H
|
||||
#define __ARCH_ARM_SRC_TMS570_TMS570_ESM_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: tms570_esm_initialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the ESM.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int tms570_esm_initialize(void);
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* __ARCH_ARM_SRC_TMS570_TMS570_ESM_H */
|
||||
Loading…
x
Reference in New Issue
Block a user