-/***************************************************************************\r
- * Copyright (C) 2007 by Pavel Chromy *\r
- * chromy@asix.cz *\r
- * *\r
- * This program is free software; you can redistribute it and/or modify *\r
- * it under the terms of the GNU General Public License as published by *\r
- * the Free Software Foundation; either version 2 of the License, or *\r
- * (at your option) any later version. *\r
- * *\r
- * This program is distributed in the hope that it will be useful, *\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r
- * GNU General Public License for more details. *\r
- * *\r
- * You should have received a copy of the GNU General Public License *\r
- * along with this program; if not, write to the *\r
- * Free Software Foundation, Inc., *\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *\r
- ***************************************************************************/\r
-#ifdef HAVE_CONFIG_H\r
-#include "config.h"\r
-#endif\r
-\r
-#include "replacements.h"\r
-\r
-#include "ocl.h"\r
-\r
-#include "flash.h"\r
-#include "target.h"\r
-#include "log.h"\r
-#include "binarybuffer.h"\r
-#include "types.h"\r
-#include "embeddedice.h"\r
-#include "arm7_9_common.h"\r
-\r
-#include <stdlib.h>\r
-#include <string.h>\r
-#include <unistd.h>\r
-\r
-int ocl_register_commands(struct command_context_s *cmd_ctx);\r
-int ocl_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);\r
-int ocl_erase(struct flash_bank_s *bank, int first, int last);\r
-int ocl_protect(struct flash_bank_s *bank, int set, int first, int last);\r
-int ocl_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);\r
-int ocl_probe(struct flash_bank_s *bank);\r
-int ocl_erase_check(struct flash_bank_s *bank);\r
-int ocl_protect_check(struct flash_bank_s *bank);\r
-int ocl_info(struct flash_bank_s *bank, char *buf, int buf_size);\r
-int ocl_auto_probe(struct flash_bank_s *bank);\r
-\r
-flash_driver_t ocl_flash =\r
-{\r
- .name = "ocl",\r
- .register_commands = ocl_register_commands,\r
- .flash_bank_command = ocl_flash_bank_command,\r
- .erase = ocl_erase,\r
- .protect = ocl_protect,\r
- .write = ocl_write,\r
- .probe = ocl_probe,\r
- .erase_check = ocl_erase_check,\r
- .protect_check = ocl_protect_check,\r
- .info = ocl_info,\r
- .auto_probe = ocl_auto_probe\r
-};\r
-\r
-\r
-typedef struct ocl_priv_s\r
-{\r
- arm_jtag_t *jtag_info;\r
- int buflen;\r
- int bufalign;\r
-} ocl_priv_t;\r
-\r
-\r
-int ocl_register_commands(struct command_context_s *cmd_ctx)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ocl_erase_check(struct flash_bank_s *bank)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ocl_protect_check(struct flash_bank_s *bank)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-/* flash_bank ocl 0 0 0 0 <target#> */\r
-int ocl_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)\r
-{\r
- int retval;\r
- armv4_5_common_t *armv4_5;\r
- arm7_9_common_t *arm7_9;\r
- ocl_priv_t *ocl;\r
-\r
- if (argc < 6)\r
- {\r
- LOG_WARNING("incomplete flash_bank ocl configuration");\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
-\r
- if ((retval = arm7_9_get_arch_pointers(bank->target, &armv4_5, &arm7_9)) != ERROR_OK)\r
- return retval;\r
-\r
- ocl = bank->driver_priv = malloc(sizeof(ocl_priv_t));\r
- ocl->jtag_info = &arm7_9->jtag_info;\r
- ocl->buflen = 0;\r
- ocl->bufalign = 1;\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ocl_erase(struct flash_bank_s *bank, int first, int last)\r
-{\r
- ocl_priv_t *ocl = bank->driver_priv;\r
- int retval;\r
- u32 dcc_buffer[3];\r
-\r
- /* check preconditions */\r
- if (bank->num_sectors == 0)\r
- return ERROR_FLASH_BANK_NOT_PROBED;\r
- \r
- if (bank->target->state != TARGET_RUNNING)\r
- {\r
- LOG_ERROR("target has to be running to communicate with the loader");\r
- return ERROR_TARGET_NOT_RUNNING;\r
- }\r
- \r
- if ((first == 0) && (last == bank->num_sectors - 1))\r
- {\r
- dcc_buffer[0] = OCL_ERASE_ALL;\r
- if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))\r
- return retval;\r
- }\r
- else\r
- {\r
- dcc_buffer[0] = OCL_ERASE_BLOCK;\r
- dcc_buffer[1] = first;\r
- dcc_buffer[2] = last;\r
- if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, 3) != ERROR_OK))\r
- return retval;\r
- }\r
-\r
- /* wait for response, fixed timeout of 1 s */\r
- if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 1000) != ERROR_OK))\r
- {\r
- if (retval == ERROR_TARGET_TIMEOUT)\r
- LOG_ERROR("loader not responding");\r
- return retval;\r
- }\r
-\r
- /* receive response */\r
- if ((retval = embeddedice_receive(ocl->jtag_info, dcc_buffer+1, 1) != ERROR_OK))\r
- return retval;\r
-\r
- if (dcc_buffer[1] != OCL_CMD_DONE)\r
- {\r
- if (dcc_buffer[0] == OCL_ERASE_ALL)\r
- LOG_ERROR("loader response to OCL_ERASE_ALL 0x%08lX", dcc_buffer[1]);\r
- else\r
- LOG_ERROR("loader response to OCL_ERASE_BLOCK 0x%08lX", dcc_buffer[1]);\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ocl_protect(struct flash_bank_s *bank, int set, int first, int last)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ocl_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)\r
-{\r
- ocl_priv_t *ocl = bank->driver_priv;\r
- int retval;\r
- u32 *dcc_buffer;\r
- u32 *dcc_bufptr;\r
- int byteofs;\r
- int runlen;\r
- u32 chksum;\r
- \r
- int i;\r
-\r
- /* check preconditions */\r
- if (ocl->buflen == 0 || ocl->bufalign==0)\r
- return ERROR_FLASH_BANK_NOT_PROBED;\r
-\r
- if (bank->target->state != TARGET_RUNNING)\r
- {\r
- LOG_ERROR("target has to be running to communicate with the loader");\r
- return ERROR_TARGET_NOT_RUNNING;\r
- }\r
-\r
- /* allocate buffer for max. ocl buffer + overhead */\r
- dcc_buffer = malloc(sizeof(u32)*(ocl->buflen/4+3));\r
-\r
- while (count)\r
- {\r
- if (count + (offset % ocl->bufalign) > ocl->buflen)\r
- runlen = ocl->buflen - (offset % ocl->bufalign);\r
- else\r
- runlen = count;\r
-\r
- dcc_buffer[0] = OCL_FLASH_BLOCK | runlen;\r
- dcc_buffer[1] = offset;\r
- dcc_bufptr = &dcc_buffer[2];\r
-\r
- *dcc_bufptr = 0xffffffff;\r
- byteofs = (offset % ocl->bufalign) % 4;\r
- chksum = OCL_CHKS_INIT;\r
-\r
- /* copy data to DCC buffer in proper byte order and properly aligned */\r
- for (i=0; i<runlen; i++)\r
- {\r
- switch (byteofs++)\r
- {\r
- case 0:\r
- *dcc_bufptr &= *(buffer++) | 0xffffff00;\r
- break;\r
- case 1:\r
- *dcc_bufptr &= ((*(buffer++))<<8) | 0xffff00ff;\r
- break;\r
- case 2:\r
- *dcc_bufptr &= ((*(buffer++))<<16) | 0xff00ffff;\r
- break;\r
- case 3:\r
- *dcc_bufptr &= ((*(buffer++))<<24) | 0x00ffffff;\r
- chksum ^= *(dcc_bufptr++);\r
- *dcc_bufptr = 0xffffffff;\r
- byteofs = 0;\r
- break;\r
- }\r
- }\r
-\r
- /* add the remaining word to checksum */\r
- if (byteofs)\r
- chksum ^= *(dcc_bufptr++);\r
-\r
- *(dcc_bufptr++) = chksum;\r
- \r
- /* send the data */\r
- if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, dcc_bufptr-dcc_buffer)) != ERROR_OK)\r
- {\r
- free(dcc_buffer);\r
- return retval;\r
- }\r
-\r
- /* wait for response, fixed timeout of 1 s */\r
- if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 1000) != ERROR_OK))\r
- {\r
- if (retval == ERROR_TARGET_TIMEOUT)\r
- LOG_ERROR("loader not responding");\r
- free(dcc_buffer);\r
- return retval;\r
- }\r
-\r
- /* receive response */\r
- if ((retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))\r
- {\r
- free(dcc_buffer);\r
- return retval;\r
- }\r
-\r
- if (dcc_buffer[0] != OCL_CMD_DONE)\r
- {\r
- LOG_ERROR("loader response to OCL_FLASH_BLOCK 0x%08lX", dcc_buffer[0]);\r
- free(dcc_buffer);\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
-\r
- count -= runlen;\r
- offset += runlen;\r
- }\r
-\r
- free(dcc_buffer);\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ocl_probe(struct flash_bank_s *bank)\r
-{\r
- ocl_priv_t *ocl = bank->driver_priv;\r
- int retval;\r
- u32 dcc_buffer[1];\r
- int sectsize;\r
- int i;\r
-\r
- /* purge pending data in DCC */\r
- embeddedice_receive(ocl->jtag_info, dcc_buffer, 1);\r
-\r
- dcc_buffer[0] = OCL_PROBE;\r
- if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))\r
- return retval;\r
-\r
- /* wait for response, fixed timeout of 1 s */\r
- if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 1000) != ERROR_OK))\r
- {\r
- if (retval == ERROR_TARGET_TIMEOUT)\r
- LOG_ERROR("loader not responding");\r
- return retval;\r
- }\r
-\r
- /* receive response */\r
- if ((retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))\r
- return retval;\r
- \r
- if (dcc_buffer[0] != OCL_CMD_DONE)\r
- {\r
- LOG_ERROR("loader response to OCL_PROBE 0x%08lX", dcc_buffer[0]);\r
- return ERROR_FLASH_OPERATION_FAILED;\r
- }\r
-\r
- /* receive and fill in parameters, detection of loader is important, receive it one by one */\r
- if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK)\r
- || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))\r
- return retval;\r
- bank->base = dcc_buffer[0];\r
-\r
- if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK)\r
- || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))\r
- return retval;\r
- bank->size = dcc_buffer[0];\r
-\r
- if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK)\r
- || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))\r
- return retval;\r
- bank->num_sectors = dcc_buffer[0];\r
-\r
- if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK)\r
- || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))\r
- return retval;\r
- ocl->buflen = dcc_buffer[0] & 0xffff;\r
- ocl->bufalign = dcc_buffer[0] >> 16;\r
-\r
- bank->sectors = realloc(bank->sectors, sizeof(flash_sector_t)*bank->num_sectors);\r
- if (bank->num_sectors == 0)\r
- {\r
- LOG_ERROR("number of sectors shall be non zero value");\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
- if (bank->size % bank->num_sectors) {\r
- LOG_ERROR("bank size not divisible by number of sectors");\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
- sectsize = bank->size / bank->num_sectors;\r
- for (i=0; i<bank->num_sectors; i++)\r
- {\r
- bank->sectors[i].offset = i * sectsize;\r
- bank->sectors[i].size = sectsize;\r
- bank->sectors[i].is_erased = -1;\r
- bank->sectors[i].is_protected = -1;\r
- }\r
-\r
- if (ocl->bufalign == 0)\r
- ocl->bufalign = 1;\r
-\r
- if (ocl->buflen == 0)\r
- {\r
- LOG_ERROR("buflen shall be non zero value");\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
-\r
- if ((ocl->bufalign > ocl->buflen) || (ocl->buflen % ocl->bufalign))\r
- {\r
- LOG_ERROR("buflen is not multiple of bufalign");\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
-\r
- if (ocl->buflen % 4)\r
- {\r
- LOG_ERROR("buflen shall be divisible by 4");\r
- return ERROR_FLASH_BANK_INVALID;\r
- }\r
-\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ocl_info(struct flash_bank_s *bank, char *buf, int buf_size)\r
-{\r
- return ERROR_OK;\r
-}\r
-\r
-\r
-int ocl_auto_probe(struct flash_bank_s *bank)\r
-{\r
- ocl_priv_t *ocl = bank->driver_priv;\r
-\r
- if (ocl->buflen == 0 || ocl->bufalign==0)\r
- return ERROR_FLASH_BANK_NOT_PROBED;\r
-\r
- return ERROR_OK;\r
-}\r
+/***************************************************************************
+ * Copyright (C) 2007 by Pavel Chromy *
+ * chromy@asix.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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "replacements.h"
+
+#include "ocl.h"
+
+#include "flash.h"
+#include "target.h"
+#include "log.h"
+#include "binarybuffer.h"
+#include "types.h"
+#include "embeddedice.h"
+#include "arm7_9_common.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int ocl_register_commands(struct command_context_s *cmd_ctx);
+int ocl_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
+int ocl_erase(struct flash_bank_s *bank, int first, int last);
+int ocl_protect(struct flash_bank_s *bank, int set, int first, int last);
+int ocl_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
+int ocl_probe(struct flash_bank_s *bank);
+int ocl_erase_check(struct flash_bank_s *bank);
+int ocl_protect_check(struct flash_bank_s *bank);
+int ocl_info(struct flash_bank_s *bank, char *buf, int buf_size);
+int ocl_auto_probe(struct flash_bank_s *bank);
+
+flash_driver_t ocl_flash =
+{
+ .name = "ocl",
+ .register_commands = ocl_register_commands,
+ .flash_bank_command = ocl_flash_bank_command,
+ .erase = ocl_erase,
+ .protect = ocl_protect,
+ .write = ocl_write,
+ .probe = ocl_probe,
+ .erase_check = ocl_erase_check,
+ .protect_check = ocl_protect_check,
+ .info = ocl_info,
+ .auto_probe = ocl_auto_probe
+};
+
+
+typedef struct ocl_priv_s
+{
+ arm_jtag_t *jtag_info;
+ int buflen;
+ int bufalign;
+} ocl_priv_t;
+
+
+int ocl_register_commands(struct command_context_s *cmd_ctx)
+{
+ return ERROR_OK;
+}
+
+
+int ocl_erase_check(struct flash_bank_s *bank)
+{
+ return ERROR_OK;
+}
+
+
+int ocl_protect_check(struct flash_bank_s *bank)
+{
+ return ERROR_OK;
+}
+
+
+/* flash_bank ocl 0 0 0 0 <target#> */
+int ocl_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
+{
+ int retval;
+ armv4_5_common_t *armv4_5;
+ arm7_9_common_t *arm7_9;
+ ocl_priv_t *ocl;
+
+ if (argc < 6)
+ {
+ LOG_WARNING("incomplete flash_bank ocl configuration");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ if ((retval = arm7_9_get_arch_pointers(bank->target, &armv4_5, &arm7_9)) != ERROR_OK)
+ return retval;
+
+ ocl = bank->driver_priv = malloc(sizeof(ocl_priv_t));
+ ocl->jtag_info = &arm7_9->jtag_info;
+ ocl->buflen = 0;
+ ocl->bufalign = 1;
+
+ return ERROR_OK;
+}
+
+
+int ocl_erase(struct flash_bank_s *bank, int first, int last)
+{
+ ocl_priv_t *ocl = bank->driver_priv;
+ int retval;
+ u32 dcc_buffer[3];
+
+ /* check preconditions */
+ if (bank->num_sectors == 0)
+ return ERROR_FLASH_BANK_NOT_PROBED;
+
+ if (bank->target->state != TARGET_RUNNING)
+ {
+ LOG_ERROR("target has to be running to communicate with the loader");
+ return ERROR_TARGET_NOT_RUNNING;
+ }
+
+ if ((first == 0) && (last == bank->num_sectors - 1))
+ {
+ dcc_buffer[0] = OCL_ERASE_ALL;
+ if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))
+ return retval;
+ }
+ else
+ {
+ dcc_buffer[0] = OCL_ERASE_BLOCK;
+ dcc_buffer[1] = first;
+ dcc_buffer[2] = last;
+ if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, 3) != ERROR_OK))
+ return retval;
+ }
+
+ /* wait for response, fixed timeout of 1 s */
+ if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 1000) != ERROR_OK))
+ {
+ if (retval == ERROR_TARGET_TIMEOUT)
+ LOG_ERROR("loader not responding");
+ return retval;
+ }
+
+ /* receive response */
+ if ((retval = embeddedice_receive(ocl->jtag_info, dcc_buffer+1, 1) != ERROR_OK))
+ return retval;
+
+ if (dcc_buffer[1] != OCL_CMD_DONE)
+ {
+ if (dcc_buffer[0] == OCL_ERASE_ALL)
+ LOG_ERROR("loader response to OCL_ERASE_ALL 0x%08lX", dcc_buffer[1]);
+ else
+ LOG_ERROR("loader response to OCL_ERASE_BLOCK 0x%08lX", dcc_buffer[1]);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ return ERROR_OK;
+}
+
+
+int ocl_protect(struct flash_bank_s *bank, int set, int first, int last)
+{
+ return ERROR_OK;
+}
+
+
+int ocl_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
+{
+ ocl_priv_t *ocl = bank->driver_priv;
+ int retval;
+ u32 *dcc_buffer;
+ u32 *dcc_bufptr;
+ int byteofs;
+ int runlen;
+ u32 chksum;
+
+ int i;
+
+ /* check preconditions */
+ if (ocl->buflen == 0 || ocl->bufalign==0)
+ return ERROR_FLASH_BANK_NOT_PROBED;
+
+ if (bank->target->state != TARGET_RUNNING)
+ {
+ LOG_ERROR("target has to be running to communicate with the loader");
+ return ERROR_TARGET_NOT_RUNNING;
+ }
+
+ /* allocate buffer for max. ocl buffer + overhead */
+ dcc_buffer = malloc(sizeof(u32)*(ocl->buflen/4+3));
+
+ while (count)
+ {
+ if (count + (offset % ocl->bufalign) > ocl->buflen)
+ runlen = ocl->buflen - (offset % ocl->bufalign);
+ else
+ runlen = count;
+
+ dcc_buffer[0] = OCL_FLASH_BLOCK | runlen;
+ dcc_buffer[1] = offset;
+ dcc_bufptr = &dcc_buffer[2];
+
+ *dcc_bufptr = 0xffffffff;
+ byteofs = (offset % ocl->bufalign) % 4;
+ chksum = OCL_CHKS_INIT;
+
+ /* copy data to DCC buffer in proper byte order and properly aligned */
+ for (i=0; i<runlen; i++)
+ {
+ switch (byteofs++)
+ {
+ case 0:
+ *dcc_bufptr &= *(buffer++) | 0xffffff00;
+ break;
+ case 1:
+ *dcc_bufptr &= ((*(buffer++))<<8) | 0xffff00ff;
+ break;
+ case 2:
+ *dcc_bufptr &= ((*(buffer++))<<16) | 0xff00ffff;
+ break;
+ case 3:
+ *dcc_bufptr &= ((*(buffer++))<<24) | 0x00ffffff;
+ chksum ^= *(dcc_bufptr++);
+ *dcc_bufptr = 0xffffffff;
+ byteofs = 0;
+ break;
+ }
+ }
+
+ /* add the remaining word to checksum */
+ if (byteofs)
+ chksum ^= *(dcc_bufptr++);
+
+ *(dcc_bufptr++) = chksum;
+
+ /* send the data */
+ if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, dcc_bufptr-dcc_buffer)) != ERROR_OK)
+ {
+ free(dcc_buffer);
+ return retval;
+ }
+
+ /* wait for response, fixed timeout of 1 s */
+ if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 1000) != ERROR_OK))
+ {
+ if (retval == ERROR_TARGET_TIMEOUT)
+ LOG_ERROR("loader not responding");
+ free(dcc_buffer);
+ return retval;
+ }
+
+ /* receive response */
+ if ((retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))
+ {
+ free(dcc_buffer);
+ return retval;
+ }
+
+ if (dcc_buffer[0] != OCL_CMD_DONE)
+ {
+ LOG_ERROR("loader response to OCL_FLASH_BLOCK 0x%08lX", dcc_buffer[0]);
+ free(dcc_buffer);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ count -= runlen;
+ offset += runlen;
+ }
+
+ free(dcc_buffer);
+ return ERROR_OK;
+}
+
+
+int ocl_probe(struct flash_bank_s *bank)
+{
+ ocl_priv_t *ocl = bank->driver_priv;
+ int retval;
+ u32 dcc_buffer[1];
+ int sectsize;
+ int i;
+
+ /* purge pending data in DCC */
+ embeddedice_receive(ocl->jtag_info, dcc_buffer, 1);
+
+ dcc_buffer[0] = OCL_PROBE;
+ if ((retval = embeddedice_send(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))
+ return retval;
+
+ /* wait for response, fixed timeout of 1 s */
+ if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 1000) != ERROR_OK))
+ {
+ if (retval == ERROR_TARGET_TIMEOUT)
+ LOG_ERROR("loader not responding");
+ return retval;
+ }
+
+ /* receive response */
+ if ((retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))
+ return retval;
+
+ if (dcc_buffer[0] != OCL_CMD_DONE)
+ {
+ LOG_ERROR("loader response to OCL_PROBE 0x%08lX", dcc_buffer[0]);
+ return ERROR_FLASH_OPERATION_FAILED;
+ }
+
+ /* receive and fill in parameters, detection of loader is important, receive it one by one */
+ if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK)
+ || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))
+ return retval;
+ bank->base = dcc_buffer[0];
+
+ if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK)
+ || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))
+ return retval;
+ bank->size = dcc_buffer[0];
+
+ if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK)
+ || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))
+ return retval;
+ bank->num_sectors = dcc_buffer[0];
+
+ if ((retval = embeddedice_handshake(ocl->jtag_info, EICE_COMM_CTRL_WBIT, 0) != ERROR_OK)
+ || (retval = embeddedice_receive(ocl->jtag_info, dcc_buffer, 1) != ERROR_OK))
+ return retval;
+ ocl->buflen = dcc_buffer[0] & 0xffff;
+ ocl->bufalign = dcc_buffer[0] >> 16;
+
+ bank->sectors = realloc(bank->sectors, sizeof(flash_sector_t)*bank->num_sectors);
+ if (bank->num_sectors == 0)
+ {
+ LOG_ERROR("number of sectors shall be non zero value");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+ if (bank->size % bank->num_sectors) {
+ LOG_ERROR("bank size not divisible by number of sectors");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+ sectsize = bank->size / bank->num_sectors;
+ for (i=0; i<bank->num_sectors; i++)
+ {
+ bank->sectors[i].offset = i * sectsize;
+ bank->sectors[i].size = sectsize;
+ bank->sectors[i].is_erased = -1;
+ bank->sectors[i].is_protected = -1;
+ }
+
+ if (ocl->bufalign == 0)
+ ocl->bufalign = 1;
+
+ if (ocl->buflen == 0)
+ {
+ LOG_ERROR("buflen shall be non zero value");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ if ((ocl->bufalign > ocl->buflen) || (ocl->buflen % ocl->bufalign))
+ {
+ LOG_ERROR("buflen is not multiple of bufalign");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ if (ocl->buflen % 4)
+ {
+ LOG_ERROR("buflen shall be divisible by 4");
+ return ERROR_FLASH_BANK_INVALID;
+ }
+
+ return ERROR_OK;
+}
+
+
+int ocl_info(struct flash_bank_s *bank, char *buf, int buf_size)
+{
+ return ERROR_OK;
+}
+
+
+int ocl_auto_probe(struct flash_bank_s *bank)
+{
+ ocl_priv_t *ocl = bank->driver_priv;
+
+ if (ocl->buflen == 0 || ocl->bufalign==0)
+ return ERROR_FLASH_BANK_NOT_PROBED;
+
+ return ERROR_OK;
+}
Code Review / openocd.git / blobdiff