X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fflash%2Fnor%2Fstm32f1x.c;h=6744779e97c0f5b67f243a011287af243f661287;hb=5a0b4889d0d46639b38effd24102f0d5fca1ca31;hp=3bda9bc20b5b414834881d1590165ad8febd3546;hpb=a498a3deaaec7ee87d73cf753bdddefaf4779666;p=fw%2Fopenocd

diff --git a/src/flash/nor/stm32f1x.c b/src/flash/nor/stm32f1x.c
index 3bda9bc20..6744779e9 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;