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-rw-r--r--ports/renesas-ra/boards/RA4M1_CLICKER/ra4m1_clicker.ld6
-rw-r--r--ports/renesas-ra/boards/RA4M1_EK/ra4m1_ek.ld6
-rw-r--r--ports/renesas-ra/boards/RA4W1_EK/ra4w1_ek.ld6
-rw-r--r--ports/renesas-ra/boards/RA6M1_EK/ra6m1_ek.ld6
-rw-r--r--ports/renesas-ra/boards/RA6M2_EK/ra6m2_ek.ld6
-rw-r--r--ports/renesas-ra/flashbdev.c59
6 files changed, 37 insertions, 52 deletions
diff --git a/ports/renesas-ra/boards/RA4M1_CLICKER/ra4m1_clicker.ld b/ports/renesas-ra/boards/RA4M1_CLICKER/ra4m1_clicker.ld
index 0ce4e9267..52f8acf93 100644
--- a/ports/renesas-ra/boards/RA4M1_CLICKER/ra4m1_clicker.ld
+++ b/ports/renesas-ra/boards/RA4M1_CLICKER/ra4m1_clicker.ld
@@ -5,7 +5,8 @@
/* Linker script to configure memory regions. */
MEMORY
{
- FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000 /* 256KB */
+ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00037000 /* 220KB/256KB */
+ FLASH_FS (r) : ORIGIN = 0x00037000, LENGTH = 0x00009000 /* 36KB/256KB */
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000 /* 32KB */
DATA_FLASH (rx) : ORIGIN = 0x40100000, LENGTH = 0x00002000 /* 8KB */
ID_CODE (rx) : ORIGIN = 0x01010018, LENGTH = 0x00000020 /* 32bytes */
@@ -296,3 +297,6 @@ _ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = __HeapBase; /* heap starts just after statically allocated memory */
_heap_end = __HeapLimit; /* tunable */
+
+_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
+_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);
diff --git a/ports/renesas-ra/boards/RA4M1_EK/ra4m1_ek.ld b/ports/renesas-ra/boards/RA4M1_EK/ra4m1_ek.ld
index 0ce4e9267..52f8acf93 100644
--- a/ports/renesas-ra/boards/RA4M1_EK/ra4m1_ek.ld
+++ b/ports/renesas-ra/boards/RA4M1_EK/ra4m1_ek.ld
@@ -5,7 +5,8 @@
/* Linker script to configure memory regions. */
MEMORY
{
- FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000 /* 256KB */
+ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00037000 /* 220KB/256KB */
+ FLASH_FS (r) : ORIGIN = 0x00037000, LENGTH = 0x00009000 /* 36KB/256KB */
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000 /* 32KB */
DATA_FLASH (rx) : ORIGIN = 0x40100000, LENGTH = 0x00002000 /* 8KB */
ID_CODE (rx) : ORIGIN = 0x01010018, LENGTH = 0x00000020 /* 32bytes */
@@ -296,3 +297,6 @@ _ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = __HeapBase; /* heap starts just after statically allocated memory */
_heap_end = __HeapLimit; /* tunable */
+
+_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
+_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);
diff --git a/ports/renesas-ra/boards/RA4W1_EK/ra4w1_ek.ld b/ports/renesas-ra/boards/RA4W1_EK/ra4w1_ek.ld
index 172f124fc..1241b5bc2 100644
--- a/ports/renesas-ra/boards/RA4W1_EK/ra4w1_ek.ld
+++ b/ports/renesas-ra/boards/RA4W1_EK/ra4w1_ek.ld
@@ -5,7 +5,8 @@
/* Linker script to configure memory regions. */
MEMORY
{
- FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00080000 /* 512KB */
+ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00070000 /* 448KB/512KB */
+ FLASH_FS (r) : ORIGIN = 0x00070000, LENGTH = 0x00010000 /* 64KB/512KB */
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00018000 /* 96KB */
DATA_FLASH (rx) : ORIGIN = 0x40100000, LENGTH = 0x00002000 /* 8KB */
ID_CODE (rx) : ORIGIN = 0x01010018, LENGTH = 0x00000020 /* 32bytes */
@@ -296,3 +297,6 @@ _ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = __HeapBase; /* heap starts just after statically allocated memory */
_heap_end = __HeapLimit; /* tunable */
+
+_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
+_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);
diff --git a/ports/renesas-ra/boards/RA6M1_EK/ra6m1_ek.ld b/ports/renesas-ra/boards/RA6M1_EK/ra6m1_ek.ld
index 10ec87aaa..90a425bde 100644
--- a/ports/renesas-ra/boards/RA6M1_EK/ra6m1_ek.ld
+++ b/ports/renesas-ra/boards/RA6M1_EK/ra6m1_ek.ld
@@ -5,7 +5,8 @@
/* Linker script to configure memory regions. */
MEMORY
{
- FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00080000 /* 512KB */
+ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00060000 /* 384KB/512KB */
+ FLASH_FS (r) : ORIGIN = 0x00060000, LENGTH = 0x00020000 /* 128KB/512KB */
RAM (rwx) : ORIGIN = 0x1FFE0000, LENGTH = 0x00040000 /* 256KB */
DATA_FLASH (rx) : ORIGIN = 0x40100000, LENGTH = 0x00002000 /* 8KB */
ID_CODE (rx) : ORIGIN = 0x0100A150, LENGTH = 0x00000010 /* 32bytes */
@@ -296,3 +297,6 @@ _ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = __HeapBase; /* heap starts just after statically allocated memory */
_heap_end = __HeapLimit; /* tunable */
+
+_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
+_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);
diff --git a/ports/renesas-ra/boards/RA6M2_EK/ra6m2_ek.ld b/ports/renesas-ra/boards/RA6M2_EK/ra6m2_ek.ld
index 4ad1b1ac1..086f6630c 100644
--- a/ports/renesas-ra/boards/RA6M2_EK/ra6m2_ek.ld
+++ b/ports/renesas-ra/boards/RA6M2_EK/ra6m2_ek.ld
@@ -5,7 +5,8 @@
/* Linker script to configure memory regions. */
MEMORY
{
- FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00100000 /* 1MB */
+ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x000e0000 /* 896KB/1MB */
+ FLASH_FS (r) : ORIGIN = 0x000e0000, LENGTH = 0x00020000 /* 128KB/1MB */
RAM (rwx) : ORIGIN = 0x1FFE0000, LENGTH = 0x00060000 /* 384KB */
DATA_FLASH (rx) : ORIGIN = 0x40100000, LENGTH = 0x00008000 /* 32KB */
ID_CODE (rx) : ORIGIN = 0x0100A150, LENGTH = 0x00000010 /* 32bytes */
@@ -296,3 +297,6 @@ _ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = __HeapBase; /* heap starts just after statically allocated memory */
_heap_end = __HeapLimit; /* tunable */
+
+_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
+_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);
diff --git a/ports/renesas-ra/flashbdev.c b/ports/renesas-ra/flashbdev.c
index 8fb20c66e..3e890d31d 100644
--- a/ports/renesas-ra/flashbdev.c
+++ b/ports/renesas-ra/flashbdev.c
@@ -34,65 +34,30 @@
#include "led.h"
#include "flash.h"
#include "storage.h"
-#if defined(RA4M1) | defined(RA4M3) | defined(RA4W1) | defined(RA6M1) | defined(RA6M2) | defined(RA6M3)
#include "ra_flash.h"
-#endif
#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
-// #define DEBUG_FLASH_BDEV
-
-// Here we try to automatically configure the location and size of the flash
-// pages to use for the internal storage. We also configure the location of the
-// cache used for writing.
-
-#if defined(RA4M1)
-
-STATIC byte flash_cache_mem[0x800] __attribute__((aligned(16))); // 2K
-#define CACHE_MEM_START_ADDR (&flash_cache_mem[0])
-#define FLASH_SECTOR_SIZE_MAX (0x800) // 2k max
-#define FLASH_MEM_SEG1_START_ADDR (0x37000) // sector 1
-#define FLASH_MEM_SEG1_NUM_BLOCKS (72) // sectors 1,2,...,72
+// The linker script specifies flash storage locations.
+extern uint8_t _micropy_hw_internal_flash_storage_start;
+extern uint8_t _micropy_hw_internal_flash_storage_end;
-#elif defined(RA4M3)
-STATIC byte flash_cache_mem[0x800] __attribute__((aligned(16))); // 2K
-#define CACHE_MEM_START_ADDR (&flash_cache_mem[0])
-#define FLASH_SECTOR_SIZE_MAX (0x800) // 2k max
-#define FLASH_MEM_SEG1_START_ADDR (0x37000) // sector 1
-#define FLASH_MEM_SEG1_NUM_BLOCKS (72) // sectors 1,2,...,72
+#define FLASH_MEM_SEG1_START_ADDR \
+ ((long)&_micropy_hw_internal_flash_storage_start)
+#define FLASH_MEM_SEG1_NUM_BLOCKS \
+ ((&_micropy_hw_internal_flash_storage_end - &_micropy_hw_internal_flash_storage_start) / 512)
-#elif defined(RA4W1)
-STATIC byte flash_cache_mem[0x800] __attribute__((aligned(16))); // 2K
-#define CACHE_MEM_START_ADDR (&flash_cache_mem[0])
+#if defined(RA4M1) | defined(RA4M3) | defined(RA4W1)
#define FLASH_SECTOR_SIZE_MAX (0x800) // 2k max
-#define FLASH_MEM_SEG1_START_ADDR (0x70000) // sector 1
-#define FLASH_MEM_SEG1_NUM_BLOCKS (128) // sectors 1,2,...,128
-
-#elif defined(RA6M1)
-STATIC byte flash_cache_mem[0x8000] __attribute__((aligned(16))); // 32K
-#define CACHE_MEM_START_ADDR (&flash_cache_mem[0])
-#define FLASH_SECTOR_SIZE_MAX (0x8000) // 32k max
-#define FLASH_MEM_SEG1_START_ADDR (0x60000) // sector 1
-#define FLASH_MEM_SEG1_NUM_BLOCKS (256) // sectors 1,2,...,256
-
-#elif defined(RA6M2)
-STATIC byte flash_cache_mem[0x8000] __attribute__((aligned(16))); // 32K
-#define CACHE_MEM_START_ADDR (&flash_cache_mem[0])
-#define FLASH_SECTOR_SIZE_MAX (0x8000) // 32k max
-#define FLASH_MEM_SEG1_START_ADDR (0xe0000) // sector 1
-#define FLASH_MEM_SEG1_NUM_BLOCKS (512) // sectors 1,2,...,512
-
-#elif defined(RA6M3)
-STATIC byte flash_cache_mem[0x8000] __attribute__((aligned(16))); // 32K
-#define CACHE_MEM_START_ADDR (&flash_cache_mem[0])
+#elif defined(RA6M1) | defined(RA6M2) | defined(RA6M3)
#define FLASH_SECTOR_SIZE_MAX (0x8000) // 32k max
-#define FLASH_MEM_SEG1_START_ADDR (0x60000) // sector 1
-#define FLASH_MEM_SEG1_NUM_BLOCKS (256) // sectors 1,2,...,256
-
#else
#error "no internal flash storage support for this MCU"
#endif
+STATIC byte flash_cache_mem[FLASH_SECTOR_SIZE_MAX] __attribute__((aligned(16)));
+#define CACHE_MEM_START_ADDR (&flash_cache_mem[0])
+
#if !defined(FLASH_MEM_SEG2_START_ADDR)
#define FLASH_MEM_SEG2_START_ADDR (0) // no second segment
#define FLASH_MEM_SEG2_NUM_BLOCKS (0) // no second segment
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-12 16:29:23 +0000