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authorZachary T Welch <zw@superlucidity.net>2009-12-02 15:54:15 -0800
committerZachary T Welch <zw@superlucidity.net>2009-12-02 23:27:09 -0800
commitfe9228a32db930be297d4d3b35ffb94d6de1b9ab (patch)
treee71036506392e40715c992fc54346ebb8c179416 /src/flash/ocl.c
parente1ec02bb055fa356b058dddc0a15710e0fdc9870 (diff)
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move nor drivers to src/flash/nor
Moves NOR flash drivers to 'src/flash/nor/'. Adds 'src/flash/nor/Makefile.am'. Builds 'libocdflashnor.la'.
Diffstat (limited to 'src/flash/ocl.c')
-rw-r--r--src/flash/ocl.c361
1 files changed, 0 insertions, 361 deletions
diff --git a/src/flash/ocl.c b/src/flash/ocl.c
deleted file mode 100644
index 388395f0..00000000
--- a/src/flash/ocl.c
+++ /dev/null
@@ -1,361 +0,0 @@
-/***************************************************************************
- * 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 "ocl.h"
-#include "flash.h"
-#include "embeddedice.h"
-
-
-struct ocl_priv
-{
- struct arm_jtag *jtag_info;
- unsigned int buflen;
- unsigned int bufalign;
-};
-
-static int ocl_erase_check(struct flash_bank *bank)
-{
- return ERROR_OK;
-}
-
-static int ocl_protect_check(struct flash_bank *bank)
-{
- return ERROR_OK;
-}
-
-/* flash_bank ocl 0 0 0 0 <target#> */
-FLASH_BANK_COMMAND_HANDLER(ocl_flash_bank_command)
-{
- struct arm7_9_common *arm7_9;
- struct ocl_priv *ocl;
-
- if (CMD_ARGC < 6)
- {
- LOG_WARNING("incomplete flash_bank ocl configuration");
- return ERROR_FLASH_BANK_INVALID;
- }
-
- arm7_9 = target_to_arm7_9(bank->target);
- if (!is_arm7_9(arm7_9))
- return ERROR_TARGET_INVALID;
-
- ocl = bank->driver_priv = malloc(sizeof(struct ocl_priv));
- ocl->jtag_info = &arm7_9->jtag_info;
- ocl->buflen = 0;
- ocl->bufalign = 1;
-
- return ERROR_OK;
-}
-
-static int ocl_erase(struct flash_bank *bank, int first, int last)
-{
- struct ocl_priv *ocl = bank->driver_priv;
- int retval;
- uint32_t 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%08" PRIx32 "", dcc_buffer[1]);
- else
- LOG_ERROR("loader response to OCL_ERASE_BLOCK 0x%08" PRIx32 "", dcc_buffer[1]);
- return ERROR_FLASH_OPERATION_FAILED;
- }
-
- return ERROR_OK;
-}
-
-static int ocl_protect(struct flash_bank *bank, int set, int first, int last)
-{
- return ERROR_OK;
-}
-
-static int ocl_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
-{
- struct ocl_priv *ocl = bank->driver_priv;
- int retval;
- uint32_t *dcc_buffer;
- uint32_t *dcc_bufptr;
- int byteofs;
- int runlen;
- uint32_t 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(uint32_t)*(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%08" PRIx32 "", dcc_buffer[0]);
- free(dcc_buffer);
- return ERROR_FLASH_OPERATION_FAILED;
- }
-
- count -= runlen;
- offset += runlen;
- }
-
- free(dcc_buffer);
- return ERROR_OK;
-}
-
-static int ocl_probe(struct flash_bank *bank)
-{
- struct ocl_priv *ocl = bank->driver_priv;
- int retval;
- uint32_t 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%08" PRIx32 "", 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(struct flash_sector)*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;
-}
-
-static int ocl_info(struct flash_bank *bank, char *buf, int buf_size)
-{
- return ERROR_OK;
-}
-
-static int ocl_auto_probe(struct flash_bank *bank)
-{
- struct ocl_priv *ocl = bank->driver_priv;
-
- if (ocl->buflen == 0 || ocl->bufalign == 0)
- return ERROR_FLASH_BANK_NOT_PROBED;
-
- return ERROR_OK;
-}
-
-struct flash_driver ocl_flash = {
- .name = "ocl",
- .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,
- };