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arm: Add SRAM and flash Kconfig options

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Adds Kconfig options for specifying the following platform attributes:
    SRAM size
    SRAM base address
    Flash size
    Flash base address
This will allow them to be hoisted out of the platform's linker script file
in a later commit.

Change-Id: I09ba5c09d8f34eea5d787c669d77d27d4389d824
Signed-off-by: Peter Mitsis <peter.mitsis@windriver.com>
This commit is contained in:
Peter Mitsis 2015-07-24 11:48:05 -04:00 • committed by Anas Nashif
commit 741086e119
6 changed files with 57 additions and 6 deletions
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6
arch/arm/configs/micro_basic_cortex_m3_defconfig
View file

@ -84,7 +84,7 @@ CONFIG_CPU_CORTEX_M3_M4=y
CONFIG_CPU_CORTEX_M3=y
#
# ARM Cortex-M family options
# ARM Cortex-M options
#
CONFIG_LDREX_STREX_AVAILABLE=y
CONFIG_DATA_ENDIANNESS_LITTLE=y
@ -93,6 +93,10 @@ CONFIG_STACK_GROWS_DOWN=y
CONFIG_NUM_IRQ_PRIO_BITS=3
# CONFIG_RUNTIME_NMI is not set
CONFIG_FAULT_DUMP=2
CONFIG_SRAM_SIZE=64
CONFIG_SRAM_BASE_ADDRESS=0x20000000
CONFIG_FLASH_SIZE=256
CONFIG_FLASH_BASE_ADDRESS=0x00000000
#
# ARM Cortex-M3/M4 options

6
arch/arm/configs/micro_fsl_frdm_k64f_defconfig
View file

@ -84,7 +84,7 @@ CONFIG_CPU_CORTEX_M3_M4=y
CONFIG_CPU_CORTEX_M4=y
#
# ARM Cortex-M family options
# ARM Cortex-M options
#
CONFIG_LDREX_STREX_AVAILABLE=y
CONFIG_DATA_ENDIANNESS_LITTLE=y
@ -93,6 +93,10 @@ CONFIG_STACK_GROWS_DOWN=y
CONFIG_NUM_IRQ_PRIO_BITS=4
# CONFIG_RUNTIME_NMI is not set
CONFIG_FAULT_DUMP=2
CONFIG_SRAM_SIZE=192
CONFIG_SRAM_BASE_ADDRESS=0x20000000
CONFIG_FLASH_SIZE=1024
CONFIG_FLASH_BASE_ADDRESS=0x00000000
#
# ARM Cortex-M3/M4 options

6
arch/arm/configs/nano_basic_cortex_m3_defconfig
View file

@ -63,7 +63,7 @@ CONFIG_CPU_CORTEX_M3_M4=y
CONFIG_CPU_CORTEX_M3=y
#
# ARM Cortex-M family options
# ARM Cortex-M options
#
CONFIG_LDREX_STREX_AVAILABLE=y
CONFIG_DATA_ENDIANNESS_LITTLE=y
@ -72,6 +72,10 @@ CONFIG_STACK_GROWS_DOWN=y
CONFIG_NUM_IRQ_PRIO_BITS=3
# CONFIG_RUNTIME_NMI is not set
CONFIG_FAULT_DUMP=2
CONFIG_SRAM_SIZE=64
CONFIG_SRAM_BASE_ADDRESS=0x20000000
CONFIG_FLASH_SIZE=256
CONFIG_FLASH_BASE_ADDRESS=0x00000000
#
# ARM Cortex-M3/M4 options

6
arch/arm/configs/nano_fsl_frdm_k64f_defconfig
View file

@ -63,7 +63,7 @@ CONFIG_CPU_CORTEX_M3_M4=y
CONFIG_CPU_CORTEX_M4=y
#
# ARM Cortex-M family options
# ARM Cortex-M options
#
CONFIG_LDREX_STREX_AVAILABLE=y
CONFIG_DATA_ENDIANNESS_LITTLE=y
@ -72,6 +72,10 @@ CONFIG_STACK_GROWS_DOWN=y
CONFIG_NUM_IRQ_PRIO_BITS=4
# CONFIG_RUNTIME_NMI is not set
CONFIG_FAULT_DUMP=2
CONFIG_SRAM_SIZE=192
CONFIG_SRAM_BASE_ADDRESS=0x20000000
CONFIG_FLASH_SIZE=1024
CONFIG_FLASH_BASE_ADDRESS=0x00000000
#
# ARM Cortex-M3/M4 options

33
arch/arm/core/cortex_m/Kconfig
View file

@ -52,7 +52,7 @@ config CPU_CORTEX_M4
help
This option signifies the use of a Cortex-M4 CPU
menu "ARM Cortex-M family options"
menu "ARM Cortex-M options"
depends on CPU_CORTEX_M
config LDREX_STREX_AVAILABLE
@ -119,6 +119,37 @@ config FAULT_DUMP
config XIP
default y
config SRAM_SIZE
int "SRAM Size in kB"
default 192
help
This option specifies the size of the SRAM in kB. It is normally set by
the platform's defconfig file and the user should generally avoid modifying
it via the menu configuration.
config SRAM_BASE_ADDRESS
hex "SRAM Base Address"
default 0x20000000
help
This option specifies the base address of the SRAM on the platform. It is
normally set by the platform's defconfig file and the user should generally
avoid modifying it via the menu configuration.
config FLASH_SIZE
int "Flash Size in kB"
default 1024
help
This option specifies the size of the flash in kB. It is normally set by
the platform's defconfig file and the user should generally avoid modifying
it via the menu configuration.
config FLASH_BASE_ADDRESS
hex "Flash Base Address"
default 0x00000000
help
This option specifies the base address of the flash on the platform. It is
normally set by the platform's defconfig file and the user should generally
avoid modifying it via the menu configuration.
endmenu
menu "ARM Cortex-M3/M4 options"

6
arch/arm/defconfig
View file

@ -84,7 +84,7 @@ CONFIG_CPU_CORTEX_M3_M4=y
CONFIG_CPU_CORTEX_M4=y
#
# ARM Cortex-M family options
# ARM Cortex-M options
#
CONFIG_LDREX_STREX_AVAILABLE=y
CONFIG_DATA_ENDIANNESS_LITTLE=y
@ -93,6 +93,10 @@ CONFIG_STACK_GROWS_DOWN=y
CONFIG_NUM_IRQ_PRIO_BITS=4
# CONFIG_RUNTIME_NMI is not set
CONFIG_FAULT_DUMP=2
CONFIG_SRAM_SIZE=192
CONFIG_SRAM_BASE_ADDRESS=0x20000000
CONFIG_FLASH_SIZE=1024
CONFIG_FLASH_BASE_ADDRESS=0x00000000
#
# ARM Cortex-M3/M4 options