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-rw-r--r--src/flash/nor/stm32f1x.c19
-rw-r--r--src/flash/startup.tcl3
2 files changed, 20 insertions, 2 deletions
diff --git a/src/flash/nor/stm32f1x.c b/src/flash/nor/stm32f1x.c
index 3bda9bc..6744779 100644
--- a/src/flash/nor/stm32f1x.c
+++ b/src/flash/nor/stm32f1x.c
@@ -640,6 +640,9 @@ static int stm32x_get_device_id(struct flash_bank *bank, uint32_t *device_id)
case CORTEX_M4_PARTNO: /* STM32F3x devices */
device_id_register = 0xE0042000;
break;
+ case CORTEX_M23_PARTNO: /* GD32E23x devices */
+ device_id_register = 0x40015800;
+ break;
default:
LOG_ERROR("Cannot identify target as a stm32x");
return ERROR_FAIL;
@@ -674,6 +677,9 @@ static int stm32x_get_flash_size(struct flash_bank *bank, uint16_t *flash_size_i
case CORTEX_M4_PARTNO: /* STM32F3x devices */
flash_size_reg = 0x1FFFF7CC;
break;
+ case CORTEX_M23_PARTNO: /* GD32E23x devices */
+ flash_size_reg = 0x1FFFF7E0;
+ break;
default:
LOG_ERROR("Cannot identify target as a stm32x");
return ERROR_FAIL;
@@ -756,8 +762,8 @@ static int stm32x_probe(struct flash_bank *bank)
page_size = 1024;
stm32x_info->ppage_size = 4;
max_flash_size_in_kb = 128;
- /* GigaDevice GD32F1x0 & GD32F3x0 series devices share DEV_ID
- with STM32F101/2/3 medium-density line,
+ /* GigaDevice GD32F1x0 & GD32F3x0 & GD32E23x series devices
+ share DEV_ID with STM32F101/2/3 medium-density line,
however they use a REV_ID different from any STM32 device.
The main difference is another offset of user option bits
(like WDG_SW, nRST_STOP, nRST_STDBY) in option byte register
@@ -774,6 +780,11 @@ static int stm32x_probe(struct flash_bank *bank)
stm32x_info->user_data_offset = 16;
stm32x_info->option_offset = 6;
break;
+ case 0x1909: /* gd32e23x */
+ stm32x_info->user_data_offset = 16;
+ stm32x_info->option_offset = 6;
+ max_flash_size_in_kb = 64;
+ break;
}
break;
case 0x412: /* stm32f1x low-density */
@@ -984,6 +995,10 @@ static int get_stm32x_info(struct flash_bank *bank, struct command_invocation *c
device_str = "GD32F3x0";
break;
+ case 0x1909: /* gd32e23x */
+ device_str = "GD32E23x";
+ break;
+
case 0x2000:
rev_str = "B";
break;
diff --git a/src/flash/startup.tcl b/src/flash/startup.tcl
index 93ef82c..16cbe19 100644
--- a/src/flash/startup.tcl
+++ b/src/flash/startup.tcl
@@ -121,3 +121,6 @@ proc stm32l5x args { eval stm32l4x $args }
proc stm32u5x args { eval stm32l4x $args }
proc stm32wbx args { eval stm32l4x $args }
proc stm32wlx args { eval stm32l4x $args }
+
+# gd32e23x uses the same flash driver as the stm32f1x
+proc gd32e23x args { eval stm32f1x $args }