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NUCLEO_L073RZ Bootloader support #9792

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Merged
merged 2 commits into from
Mar 1, 2019
Merged

NUCLEO_L073RZ Bootloader support #9792

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44bc123
Add bootlader support for NUCLEO_L073RZ on GCC
sarahmarshy Feb 21, 2019
22abea3
Modify linker scripts for IAR and ARM compilers to support bootloader…
sarahmarshy Feb 21, 2019
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12 changes: 10 additions & 2 deletions ...TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/device/TOOLCHAIN_ARM_MICRO/stm32l073xz.sct
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Original file line number Diff line number Diff line change
Expand Up @@ -27,10 +27,18 @@
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif

#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 0x30000
#endif

; STM32L073RZ: 192KB FLASH (0x30000) + 20KB RAM (0x5000)
LR_IROM1 0x08000000 0x30000 { ; load region size_region
LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region

ER_IROM1 0x08000000 0x30000 { ; load address = execution address
ER_IROM1 MBED_APP_START MBED_APP_SIZE { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
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12 changes: 10 additions & 2 deletions ...s/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/device/TOOLCHAIN_ARM_STD/stm32l073xz.sct
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Original file line number Diff line number Diff line change
Expand Up @@ -32,12 +32,20 @@
#define MBED_BOOT_STACK_SIZE 0x400
#endif

#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif

#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 0x30000
#endif

#define Stack_Size MBED_BOOT_STACK_SIZE

; STM32L073RZ: 192KB FLASH (0x30000) + 20KB RAM (0x5000)
LR_IROM1 0x08000000 0x30000 { ; load region size_region
LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region

ER_IROM1 0x08000000 0x30000 { ; load address = execution address
ER_IROM1 MBED_APP_START MBED_APP_SIZE { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
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36 changes: 22 additions & 14 deletions ...ts/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/device/TOOLCHAIN_GCC_ARM/STM32L073XZ.ld
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Original file line number Diff line number Diff line change
@@ -1,17 +1,3 @@
/* Linker script to configure memory regions. */

#if !defined(MBED_BOOT_STACK_SIZE)
#define MBED_BOOT_STACK_SIZE 0x400
#endif

STACK_SIZE = MBED_BOOT_STACK_SIZE;

MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 192k
RAM (rwx) : ORIGIN = 0x200000C0, LENGTH = 20K - 0xC0
}

/* Linker script to place sections and symbol values. Should be used together
* with other linker script that defines memory regions FLASH and RAM.
* It references following symbols, which must be defined in code:
Expand Down Expand Up @@ -39,6 +25,28 @@ MEMORY
* __stack
* _estack
*/

#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif

#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 0x30000
#endif

#if !defined(MBED_BOOT_STACK_SIZE)
#define MBED_BOOT_STACK_SIZE 0x400
#endif

STACK_SIZE = MBED_BOOT_STACK_SIZE;

/* Linker script to configure memory regions. */
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = 0x200000C0, LENGTH = 20K - 0xC0
}

ENTRY(Reset_Handler)

SECTIONS
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15 changes: 11 additions & 4 deletions targets/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/device/TOOLCHAIN_IAR/stm32l073xx.icf
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@@ -1,7 +1,14 @@
/* [ROM = 192kb = 0x30000] */
define symbol __intvec_start__ = 0x08000000;
define symbol __region_ROM_start__ = 0x08000000;
define symbol __region_ROM_end__ = 0x0802FFFF;
if (!isdefinedsymbol(MBED_APP_START)) {
define symbol MBED_APP_START = 0x08000000;
}

if (!isdefinedsymbol(MBED_APP_SIZE)) {
define symbol MBED_APP_SIZE = 0x3000;
}

define symbol __intvec_start__ = MBED_APP_START;
define symbol __region_ROM_start__ = MBED_APP_SIZE;
define symbol __region_ROM_end__ = MBED_APP_START - MBED_APP_SIZE - 1;

/* [RAM = 20kb = 0x5000] Vector table dynamic copy: 48 vectors = 192 bytes (0xC0) to be reserved in RAM */
define symbol __NVIC_start__ = 0x20000000;
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6 changes: 5 additions & 1 deletion targets/TARGET_STM/TARGET_STM32L0/TARGET_NUCLEO_L073RZ/device/system_clock.c
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Original file line number Diff line number Diff line change
Expand Up @@ -82,8 +82,12 @@ void SystemInit (void)
#ifdef VECT_TAB_SRAM
SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
#else
#ifdef APPLICATION_ADDR
SCB->VTOR = APPLICATION_ADDR; /* Vector Table Relocation in Internal FLASH to offset application*/
#else
SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
#endif
#endif // end APPLICATION_ADDR
#endif // end VECT_TAB_SRAM

}

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1 change: 1 addition & 0 deletions targets/targets.json
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Expand Up @@ -3142,6 +3142,7 @@
"MPU"
],
"release_versions": ["2", "5"],
"bootloader_supported": true,
"device_name": "STM32L073RZ"
},
"NUCLEO_L152RE": {
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