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S32K1XX: implement uniqueid

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This commit is contained in:
Jari van Ewijk 2022-01-13 15:28:05 +01:00 committed by David Sidrane
parent 6f1011a85e
commit 3aed0aa641
5 changed files with 183 additions and 1 deletions
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2
arch/arm/src/s32k1xx/Make.defs
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@ -38,7 +38,7 @@ endif
CHIP_CSRCS = s32k1xx_start.c s32k1xx_lowputc.c s32k1xx_clockconfig.c
CHIP_CSRCS += s32k1xx_periphclocks.c s32k1xx_pin.c s32k1xx_pingpio.c
CHIP_CSRCS += s32k1xx_idle.c
CHIP_CSRCS += s32k1xx_idle.c s32k1xx_uid.c
ifeq ($(CONFIG_BOOT_RUNFROMFLASH),y)
CHIP_CSRCS += s32k1xx_flashcfg.c

79
arch/arm/src/s32k1xx/s32k1xx_uid.c Normal file
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@ -0,0 +1,79 @@
/****************************************************************************
* arch/arm/src/s32k1xx/s32k1xx_uid.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stddef.h>
#include <stdint.h>
#include <assert.h>
#include "arm_arch.h"
#include "hardware/s32k1xx_sim.h"
#include "s32k1xx_uid.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: s32k1xx_get_uniqueid
****************************************************************************/
void s32k1xx_get_uniqueid(uint8_t *uniqueid)
{
uint32_t regval;
DEBUGASSERT(uniqueid != NULL);
/* Retrieve all 16 bytes (128 bits) of the unique identifier and store the
* individual bytes in order from lowest byte first to highest byte last.
*/
regval = getreg32(S32K1XX_SIM_UIDL);
uniqueid[0] = (uint8_t)((regval & 0x000000ff) >> 0);
uniqueid[1] = (uint8_t)((regval & 0x0000ff00) >> 8);
uniqueid[2] = (uint8_t)((regval & 0x00ff0000) >> 16);
uniqueid[3] = (uint8_t)((regval & 0xff000000) >> 24);
regval = getreg32(S32K1XX_SIM_UIDML);
uniqueid[4] = (uint8_t)((regval & 0x000000ff) >> 0);
uniqueid[5] = (uint8_t)((regval & 0x0000ff00) >> 8);
uniqueid[6] = (uint8_t)((regval & 0x00ff0000) >> 16);
uniqueid[7] = (uint8_t)((regval & 0xff000000) >> 24);
regval = getreg32(S32K1XX_SIM_UIDMH);
uniqueid[8] = (uint8_t)((regval & 0x000000ff) >> 0);
uniqueid[9] = (uint8_t)((regval & 0x0000ff00) >> 8);
uniqueid[10] = (uint8_t)((regval & 0x00ff0000) >> 16);
uniqueid[11] = (uint8_t)((regval & 0xff000000) >> 24);
regval = getreg32(S32K1XX_SIM_UIDH);
uniqueid[12] = (uint8_t)((regval & 0x000000ff) >> 0);
uniqueid[13] = (uint8_t)((regval & 0x0000ff00) >> 8);
uniqueid[14] = (uint8_t)((regval & 0x00ff0000) >> 16);
uniqueid[15] = (uint8_t)((regval & 0xff000000) >> 24);
}

42
arch/arm/src/s32k1xx/s32k1xx_uid.h Normal file
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@ -0,0 +1,42 @@
/****************************************************************************
* arch/arm/src/s32k1xx/s32k1xx_uid.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_S32K1XX_S32K1XX_UID_H
#define __ARCH_ARM_SRC_S32K1XX_S32K1XX_UID_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define S32K1XX_UID_SIZE 16
/****************************************************************************
* Public Functions Prototypes
****************************************************************************/
void s32k1xx_get_uniqueid(uint8_t *uniqueid);
#endif /* __ARCH_ARM_SRC_S32K1XX_S32K1XX_UID_H */

4
boards/arm/s32k1xx/s32k144evb/src/Makefile
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@ -37,6 +37,10 @@ ifeq ($(CONFIG_BOARDCTL),y)
CSRCS += s32k1xx_appinit.c
endif
ifeq ($(CONFIG_BOARDCTL_UNIQUEID),y)
CSRCS += s32k1xx_uid.c
endif
ifeq ($(CONFIG_S32K1XX_LPI2C),y)
CSRCS += s32k1xx_i2c.c
endif

57
boards/arm/s32k1xx/s32k144evb/src/s32k1xx_uid.c Normal file
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@ -0,0 +1,57 @@
/****************************************************************************
* boards/arm/s32k1xx/s32k144evb/src/s32k1xx_uid.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/board.h>
#include <nuttx/compiler.h>
#include <stddef.h>
#include <stdint.h>
#include <errno.h>
#include "s32k1xx_uid.h"
#ifdef CONFIG_BOARDCTL_UNIQUEID
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_uniqueid
****************************************************************************/
int board_uniqueid(FAR uint8_t *uniqueid)
{
if (uniqueid == NULL)
{
return -EINVAL;
}
s32k1xx_get_uniqueid(uniqueid);
return OK;
}
#endif /* CONFIG_BOARDCTL_UNIQUEID */