NOR: lpc2000 Add support for LPC84x devices

[fw/openocd] / src / flash / nor / lpc2000.c

diff --git a/src/flash/nor/lpc2000.c b/src/flash/nor/lpc2000.c
index 53ece42d270c8de18ed455bb958beafc9eda72f4..e62fc7948eb11e2580be8bf4db8ef36c5ca3361a 100644 (file)
--- a/src/flash/nor/lpc2000.c
+++ b/src/flash/nor/lpc2000.c
@@ -82,6 +82,7 @@
  * - 822 | 4 (tested with LPC824)
  * - 8N04
  * - NHS31xx (tested with NHS3100)
+ * - 844 | 5 (tested with LPC845)
  *
  * lpc1100:
  * - 11xx
@@ -269,6 +270,15 @@
 #define NHS3152        0x4e315220
 #define NHS3153        0x4e315320 /* Only specified in Rev.1 of the datasheet */
 
+#define LPC844_201     0x00008441
+#define LPC844_201_1   0x00008442
+#define LPC844_201_2   0x00008444
+
+#define LPC845_301     0x00008451
+#define LPC845_301_1   0x00008452
+#define LPC845_301_2   0x00008453
+#define LPC845_301_3   0x00008454
+
 #define IAP_CODE_LEN 0x34
 
 #define LPC11xx_REG_SECTORS    24
@@ -294,6 +304,7 @@ struct lpc2000_flash_bank {
        int checksum_vector;
        uint32_t iap_max_stack;
        uint32_t lpc4300_bank;
+       uint32_t iap_entry_alternative;
        bool probed;
 };
 
@@ -546,6 +557,10 @@ static int lpc2000_build_sector_list(struct flash_bank *bank)
                                lpc2000_info->cmd51_max_buffer = 1024; /* For LPC824, has 8kB of SRAM */
                                bank->num_sectors = 32;
                                break;
+                       case 64 * 1024:
+                               lpc2000_info->cmd51_max_buffer = 1024; /* For LPC844, has 8kB of SRAM */
+                               bank->num_sectors = 64;
+                               break;
                        default:
                                LOG_ERROR("BUG: unknown bank->size encountered");
                                exit(-1);
@@ -757,6 +772,9 @@ static int lpc2000_iap_call(struct flash_bank *bank, struct working_area *iap_wo
                        exit(-1);
        }
 
+       if (lpc2000_info->iap_entry_alternative != 0x0)
+               iap_entry_point = lpc2000_info->iap_entry_alternative;
+
        struct mem_param mem_params[2];
 
        /* command parameter table */
@@ -954,6 +972,8 @@ FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
                if (strcmp(CMD_ARGV[8], "calc_checksum") == 0)
                        lpc2000_info->calc_checksum = 1;
        }
+       if (CMD_ARGC >= 10 && !lpc2000_info->iap_entry_alternative)
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[9], lpc2000_info->iap_entry_alternative);
 
        return ERROR_OK;
 }
@@ -1476,6 +1496,17 @@ static int lpc2000_auto_probe_flash(struct flash_bank *bank)
                        bank->size = 30 * 1024;
                        break;
 
+               case LPC844_201:
+               case LPC844_201_1:
+               case LPC844_201_2:
+               case LPC845_301:
+               case LPC845_301_1:
+               case LPC845_301_2:
+               case LPC845_301_3:
+                       lpc2000_info->variant = lpc800;
+                       bank->size = 64 * 1024;
+                       break;
+
                default:
                        LOG_ERROR("BUG: unknown Part ID encountered: 0x%" PRIx32, part_id);
                        exit(-1);