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Kinetis: Add logic to set CFM protect area to all 0xff in all configurations

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This commit is contained in:
Gregory Nutt 2015-06-11 08:38:56 -06:00
parent 92a471e4b5
commit 73f43354a5
6 changed files with 43 additions and 11 deletions
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1
arch/arm/src/kinetis/Make.defs
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@ -84,6 +84,7 @@ CHIP_CSRCS = kinetis_allocateheap.c kinetis_clockconfig.c
CHIP_CSRCS += kinetis_clrpend.c kinetis_idle.c kinetis_irq.c
CHIP_CSRCS += kinetis_lowputc.c kinetis_pin.c kinetis_pingpio.c
CHIP_CSRCS += kinetis_serial.c kinetis_start.c kinetis_wdog.c
CHIP_CSRCS += kinetis_cfmconfig.c
# Configuration-dependent Kinetis files

28
arch/arm/src/kinetis/kinetis_cfmconfig.c Normal file
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@ -0,0 +1,28 @@
/* Barely based on "bare metal" sample from Freedom board:
Copyright (c) 2012-2013 Andrew Payne
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include <stdint.h>
__attribute__ ((section(".cfmconfig")))
const uint8_t __flashconfigbytes[16] =
{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xfe, 0xff, 0xff, 0xff
};

4
arch/arm/src/kinetis/kinetis_start.c
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@ -112,8 +112,8 @@ void __start(void)
}
/* Copy any necessary code sections from FLASH to RAM. The correct
* destination in SRAM is geive by _sramfuncs and _eramfuncs. The
* temporary location is in flash after the data initalization code
* destination in SRAM is given by _sramfuncs and _eramfuncs. The
* temporary location is in flash after the data initialization code
* at _framfuncs
*/

7
configs/kwikstik-k40/scripts/ld.script
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@ -1,7 +1,7 @@
/****************************************************************************
* configs/kwikstik-k40/scripts/ld.script
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2011, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -48,7 +48,7 @@
MEMORY
{
vectflash (rx) : ORIGIN = 0x00000000, LENGTH = 1K - 16
vectflash (rx) : ORIGIN = 0x00000000, LENGTH = 1K
cfmprotect (rx) : ORIGIN = 0x00000400, LENGTH = 16
progflash (rx) : ORIGIN = 0x00000800, LENGTH = 256K - 2K
datasram (rwx) : ORIGIN = 0x1fff8000, LENGTH = 64K
@ -56,6 +56,7 @@ MEMORY
OUTPUT_ARCH(arm)
ENTRY(_stext)
EXTERN(__flashconfigbytes)
SECTIONS
{
.vectors : {
@ -65,7 +66,7 @@ SECTIONS
} > vectflash
.cfmprotect : {
*(.cfmconfig)
KEEP(*(.cfmconfig))
} > cfmprotect
.text : {

7
configs/teensy-3.x/scripts/flash.ld
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@ -33,7 +33,7 @@
*
****************************************************************************/
/* The K20X256VLQ100 has 256Kb of FLASH beginning at address 0x0000:0000 and
/* The MK20DX256VLH7 has 256Kb of FLASH beginning at address 0x0000:0000 and
* 64Kb of SRAM beginning at address 0x1c00:0000 (SRAM_L) and 0x2000:000
* bitband region (SRAM_U).
*
@ -48,7 +48,7 @@
MEMORY
{
vectflash (rx) : ORIGIN = 0x00000000, LENGTH = 1K - 16
vectflash (rx) : ORIGIN = 0x00000000, LENGTH = 1K
cfmprotect (rx) : ORIGIN = 0x00000400, LENGTH = 16
progflash (rx) : ORIGIN = 0x00000800, LENGTH = 256K - 2K
datasram (rwx) : ORIGIN = 0x1fff8000, LENGTH = 64K
@ -56,6 +56,7 @@ MEMORY
OUTPUT_ARCH(arm)
ENTRY(_stext)
EXTERN(__flashconfigbytes)
SECTIONS
{
.vectors : {
@ -65,7 +66,7 @@ SECTIONS
} > vectflash
.cfmprotect : {
*(.cfmconfig)
KEEP(*(.cfmconfig))
} > cfmprotect
.text : {

7
configs/twr-k60n512/scripts/ld.script
View File

@ -1,7 +1,7 @@
/****************************************************************************
* configs/twr-k60n512/scripts/ld.script
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2011, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -48,7 +48,7 @@
MEMORY
{
vectflash (rx) : ORIGIN = 0x00000000, LENGTH = 1K - 16
vectflash (rx) : ORIGIN = 0x00000000, LENGTH = 1K
cfmprotect (rx) : ORIGIN = 0x00000400, LENGTH = 16
progflash (rx) : ORIGIN = 0x00000800, LENGTH = 512K - 2K
datasram (rwx) : ORIGIN = 0x1fff0000, LENGTH = 128K
@ -56,6 +56,7 @@ MEMORY
OUTPUT_ARCH(arm)
ENTRY(_stext)
EXTERN(__flashconfigbytes)
SECTIONS
{
.vectors : {
@ -65,7 +66,7 @@ SECTIONS
} > vectflash
.cfmprotect : {
*(.cfmconfig)
KEEP(*(.cfmconfig))
} > cfmprotect
.text : {