--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2015 Tomas Vanek *
+ * vanekt@fbl.cz *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc. *
+ ***************************************************************************/
+
+/*
+ Disable watchdog for Kinetis Kx and KVx
+ Parameters: none
+ Used instruction set should work on both Cortex-M4 and M0+
+*/
+
+ .text
+ .syntax unified
+ .cpu cortex-m0
+ .thumb
+
+WDOG_ADDR = 0x40052000
+/* WDOG registers offsets */
+WDOG_STCTRLH = 0
+WDOG_UNLOCK = 0x0e
+
+WDOG_KEY1 = 0xc520
+WDOG_KEY2 = 0xd928
+
+ .thumb_func
+start:
+/* WDOG_UNLOCK = 0xC520 */
+ ldr r3, =WDOG_ADDR
+ ldr r2, =WDOG_KEY1
+ strh r2, [r3, WDOG_UNLOCK]
+/* WDOG_UNLOCK = 0xD928 */
+ ldr r2, =WDOG_KEY2
+ strh r2, [r3, WDOG_UNLOCK]
+/* WDOG_STCTRLH clear bit 0 */
+ movs r4, #1
+ ldrh r2, [r3, WDOG_STCTRLH]
+ bics r2, r4
+ strh r2, [r3, WDOG_STCTRLH]
+/* OpenOCD checks exit point address. Jump to the very end. */
+ b done
+
+ .pool
+
+/* Avoid padding at .text segment end. Otherwise exit point check fails. */
+ .skip ( . - start + 2) & 2, 0
+done:
+ bkpt #0
+
+ .end
+
int retval;
static const uint8_t kinetis_unlock_wdog_code[] = {
- /* WDOG_UNLOCK = 0xC520 */
- 0x4f, 0xf4, 0x00, 0x53, /* mov.w r3, #8192 ; 0x2000 */
- 0xc4, 0xf2, 0x05, 0x03, /* movt r3, #16389 ; 0x4005 */
- 0x4c, 0xf2, 0x20, 0x52, /* movw r2, #50464 ; 0xc520 */
- 0xda, 0x81, /* strh r2, [r3, #14] */
-
- /* WDOG_UNLOCK = 0xD928 */
- 0x4f, 0xf4, 0x00, 0x53, /* mov.w r3, #8192 ; 0x2000 */
- 0xc4, 0xf2, 0x05, 0x03, /* movt r3, #16389 ; 0x4005 */
- 0x4d, 0xf6, 0x28, 0x12, /* movw r2, #55592 ; 0xd928 */
- 0xda, 0x81, /* strh r2, [r3, #14] */
-
- /* WDOG_SCR = 0x1d2 */
- 0x4f, 0xf4, 0x00, 0x53, /* mov.w r3, #8192 ; 0x2000 */
- 0xc4, 0xf2, 0x05, 0x03, /* movt r3, #16389 ; 0x4005 */
- 0x4f, 0xf4, 0xe9, 0x72, /* mov.w r2, #466 ; 0x1d2 */
- 0x1a, 0x80, /* strh r2, [r3, #0] */
-
- /* END */
- 0x00, 0xBE, /* bkpt #0 */
+#include "../../../contrib/loaders/watchdog/armv7m_kinetis_wdog.inc"
};
/* Decide whether the connected device needs watchdog disabling.
- * Disable for all Kx devices, i.e., return if it is a KLx */
+ * Disable for all Kx and KVx devices, return if it is a KLx */
if ((sim_sdid & KINETIS_SDID_SERIESID_MASK) == KINETIS_SDID_SERIESID_KL)
return ERROR_OK;
LOG_ERROR("Unsupported Kinetis FAMILYID SUBFAMID");
}
break;
+
case KINETIS_SDID_SERIESID_KL:
/* KL-series */
pflash_sector_size_bytes = 1<<10;
/* autodetect 1 or 2 blocks */
kinfo->flash_support = FS_PROGRAM_LONGWORD;
break;
+
+ case KINETIS_SDID_SERIESID_KV:
+ /* KV-series */
+ switch (kinfo->sim_sdid & (KINETIS_SDID_FAMILYID_MASK | KINETIS_SDID_SUBFAMID_MASK)) {
+ case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX0:
+ /* KV10: FTFA, 1kB sectors */
+ pflash_sector_size_bytes = 1<<10;
+ num_blocks = 1;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD;
+ break;
+
+ case KINETIS_SDID_FAMILYID_K1X | KINETIS_SDID_SUBFAMID_KX1:
+ /* KV11: FTFA, 2kB sectors */
+ pflash_sector_size_bytes = 2<<10;
+ num_blocks = 1;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD;
+ break;
+
+ case KINETIS_SDID_FAMILYID_K3X | KINETIS_SDID_SUBFAMID_KX0:
+ /* KV30: FTFA, 2kB sectors, 1 block */
+ case KINETIS_SDID_FAMILYID_K3X | KINETIS_SDID_SUBFAMID_KX1:
+ /* KV31: FTFA, 2kB sectors, 2 blocks */
+ pflash_sector_size_bytes = 2<<10;
+ /* autodetect 1 or 2 blocks */
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_INVALIDATE_CACHE;
+ break;
+
+ case KINETIS_SDID_FAMILYID_K4X | KINETIS_SDID_SUBFAMID_KX2:
+ case KINETIS_SDID_FAMILYID_K4X | KINETIS_SDID_SUBFAMID_KX4:
+ case KINETIS_SDID_FAMILYID_K4X | KINETIS_SDID_SUBFAMID_KX6:
+ /* KV4x: FTFA, 4kB sectors */
+ pflash_sector_size_bytes = 4<<10;
+ num_blocks = 1;
+ kinfo->flash_support = FS_PROGRAM_LONGWORD | FS_INVALIDATE_CACHE;
+ break;
+
+ default:
+ LOG_ERROR("Unsupported KV FAMILYID SUBFAMID");
+ }
+ break;
+
default:
LOG_ERROR("Unsupported K-series");
}
bank->base = 0x00000000 + bank->size * bank->bank_number;
kinfo->prog_base = bank->base;
kinfo->sector_size = pflash_sector_size_bytes;
- kinfo->protection_size = pf_size / 32;
+ /* pflash is divided into 32 protection areas for
+ * parts with more than 32K of PFlash. For parts with
+ * less the protection unit is set to 1024 bytes */
+ kinfo->protection_size = MAX(pf_size / 32, 1024);
kinfo->protection_block = (32 / num_pflash_blocks) * bank->bank_number;
} else if ((unsigned)bank->bank_number < num_blocks) {
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