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author | ntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-03-02 12:51:42 +0000 |
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committer | ntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2009-03-02 12:51:42 +0000 |
commit | 2f184a50082f84c1b420304047d7887bce4c62a3 (patch) | |
tree | 073806ced4f386ef4d7608fd7dfacd96117007af /src/flash | |
parent | 623100d59d520fb1eb54d3a8f4c5d6933905025e (diff) | |
download | openocd+libswd-2f184a50082f84c1b420304047d7887bce4c62a3.tar.gz openocd+libswd-2f184a50082f84c1b420304047d7887bce4c62a3.tar.bz2 openocd+libswd-2f184a50082f84c1b420304047d7887bce4c62a3.tar.xz openocd+libswd-2f184a50082f84c1b420304047d7887bce4c62a3.zip |
- add missing svn props from previous commit
git-svn-id: svn://svn.berlios.de/openocd/trunk@1395 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/flash')
-rw-r--r-- | src/flash/orion_nand.c | 512 |
1 files changed, 256 insertions, 256 deletions
diff --git a/src/flash/orion_nand.c b/src/flash/orion_nand.c index 14768784..2f0aab4d 100644 --- a/src/flash/orion_nand.c +++ b/src/flash/orion_nand.c @@ -1,256 +1,256 @@ -/***************************************************************************
- * Copyright (C) 2009 by Marvell Semiconductors, Inc. *
- * Written by Nicolas Pitre <nico at marvell.com> *
- * *
- * 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. *
- ***************************************************************************/
-
-/*
- * NAND controller interface for Marvell Orion/Kirkwood SoCs.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "replacements.h"
-#include "log.h"
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "nand.h"
-#include "target.h"
-#include "armv4_5.h"
-#include "binarybuffer.h"
-
-typedef struct orion_nand_controller_s
-{
- struct target_s *target;
- working_area_t *copy_area;
-
- u32 cmd;
- u32 addr;
- u32 data;
-} orion_nand_controller_t;
-
-#define CHECK_HALTED \
- do { \
- if (target->state != TARGET_HALTED) { \
- LOG_ERROR("NAND flash access requires halted target"); \
- return ERROR_NAND_OPERATION_FAILED; \
- } \
- } while (0)
-
-int orion_nand_command(struct nand_device_s *device, u8 command)
-{
- orion_nand_controller_t *hw = device->controller_priv;
- target_t *target = hw->target;
-
- CHECK_HALTED;
- target_write_u8(target, hw->cmd, command);
- return ERROR_OK;
-}
-
-int orion_nand_address(struct nand_device_s *device, u8 address)
-{
- orion_nand_controller_t *hw = device->controller_priv;
- target_t *target = hw->target;
-
- CHECK_HALTED;
- target_write_u8(target, hw->addr, address);
- return ERROR_OK;
-}
-
-int orion_nand_read(struct nand_device_s *device, void *data)
-{
- orion_nand_controller_t *hw = device->controller_priv;
- target_t *target = hw->target;
-
- CHECK_HALTED;
- target_read_u8(target, hw->data, data);
- return ERROR_OK;
-}
-
-int orion_nand_write(struct nand_device_s *device, u16 data)
-{
- orion_nand_controller_t *hw = device->controller_priv;
- target_t *target = hw->target;
-
- CHECK_HALTED;
- target_write_u8(target, hw->data, data);
- return ERROR_OK;
-}
-
-int orion_nand_slow_block_write(struct nand_device_s *device, u8 *data, int size)
-{
- while (size--)
- orion_nand_write(device, *data++);
- return ERROR_OK;
-}
-
-int orion_nand_fast_block_write(struct nand_device_s *device, u8 *data, int size)
-{
- orion_nand_controller_t *hw = device->controller_priv;
- target_t *target = hw->target;
- armv4_5_algorithm_t algo;
- reg_param_t reg_params[3];
- u32 target_buf;
- int retval;
-
- static const u32 code[] = {
- 0xe4d13001, /* ldrb r3, [r1], #1 */
- 0xe5c03000, /* strb r3, [r0] */
- 0xe2522001, /* subs r2, r2, #1 */
- 0x1afffffb, /* bne 0 */
- 0xeafffffe, /* b . */
- };
- int code_size = sizeof(code);
-
- if (!hw->copy_area) {
- u8 code_buf[code_size];
- int i;
-
- /* make sure we have a working area */
- if (target_alloc_working_area(target,
- code_size + device->page_size,
- &hw->copy_area) != ERROR_OK)
- {
- return orion_nand_slow_block_write(device, data, size);
- }
-
- /* copy target instructions to target endianness */
- for (i = 0; i < code_size/4; i++)
- target_buffer_set_u32(target, code_buf + i*4, code[i]);
-
- /* write code to working area */
- retval = target->type->write_memory(target,
- hw->copy_area->address,
- 4, code_size/4, code_buf);
- if (retval != ERROR_OK)
- return retval;
- }
-
- /* copy data to target's memory */
- target_buf = hw->copy_area->address + code_size;
- retval = target->type->bulk_write_memory(target, target_buf,
- size/4, data);
- if (retval == ERROR_OK && size & 3) {
- retval = target->type->write_memory(target,
- target_buf + (size & ~3),
- 1, size & 3, data + (size & ~3));
- }
- if (retval != ERROR_OK)
- return retval;
-
- algo.common_magic = ARMV4_5_COMMON_MAGIC;
- algo.core_mode = ARMV4_5_MODE_SVC;
- algo.core_state = ARMV4_5_STATE_ARM;
-
- init_reg_param(®_params[0], "r0", 32, PARAM_IN);
- init_reg_param(®_params[1], "r1", 32, PARAM_IN);
- init_reg_param(®_params[2], "r2", 32, PARAM_IN);
-
- buf_set_u32(reg_params[0].value, 0, 32, hw->data);
- buf_set_u32(reg_params[1].value, 0, 32, target_buf);
- buf_set_u32(reg_params[2].value, 0, 32, size);
-
- retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params,
- hw->copy_area->address,
- hw->copy_area->address + code_size - 4,
- 1000, &algo);
- if (retval != ERROR_OK)
- LOG_ERROR("error executing hosted NAND write");
-
- destroy_reg_param(®_params[0]);
- destroy_reg_param(®_params[1]);
- destroy_reg_param(®_params[2]);
- return retval;
-}
-
-int orion_nand_reset(struct nand_device_s *device)
-{
- return orion_nand_command(device, NAND_CMD_RESET);
-}
-
-int orion_nand_controller_ready(struct nand_device_s *device, int timeout)
-{
- return 1;
-}
-
-int orion_nand_register_commands(struct command_context_s *cmd_ctx)
-{
- return ERROR_OK;
-}
-
-int orion_nand_device_command(struct command_context_s *cmd_ctx, char *cmd,
- char **args, int argc,
- struct nand_device_s *device)
-{
- orion_nand_controller_t *hw;
- u32 base;
- u8 ale, cle;
-
- if (argc != 3) {
- LOG_ERROR("arguments must be: <target_number> <NAND_address>\n");
- return ERROR_NAND_DEVICE_INVALID;
- }
-
- hw = calloc(1, sizeof(*hw));
- if (!hw) {
- LOG_ERROR("no memory for nand controller\n");
- return ERROR_NAND_DEVICE_INVALID;
- }
-
- device->controller_priv = hw;
- hw->target = get_target_by_num(strtoul(args[1], NULL, 0));
- if (!hw->target) {
- LOG_ERROR("no target '%s' configured", args[1]);
- free(hw);
- return ERROR_NAND_DEVICE_INVALID;
- }
-
- base = strtoul(args[2], NULL, 0);
- cle = 0;
- ale = 1;
-
- hw->data = base;
- hw->cmd = base + (1 << cle);
- hw->addr = base + (1 << ale);
-
- return ERROR_OK;
-}
-
-int orion_nand_init(struct nand_device_s *device)
-{
- return ERROR_OK;
-}
-
-nand_flash_controller_t orion_nand_controller =
-{
- .name = "orion",
- .command = orion_nand_command,
- .address = orion_nand_address,
- .read_data = orion_nand_read,
- .write_data = orion_nand_write,
- .write_block_data = orion_nand_fast_block_write,
- .reset = orion_nand_reset,
- .controller_ready = orion_nand_controller_ready,
- .nand_device_command = orion_nand_device_command,
- .register_commands = orion_nand_register_commands,
- .init = orion_nand_init,
-};
-
+/*************************************************************************** + * Copyright (C) 2009 by Marvell Semiconductors, Inc. * + * Written by Nicolas Pitre <nico at marvell.com> * + * * + * 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. * + ***************************************************************************/ + +/* + * NAND controller interface for Marvell Orion/Kirkwood SoCs. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "replacements.h" +#include "log.h" + +#include <stdlib.h> +#include <string.h> + +#include "nand.h" +#include "target.h" +#include "armv4_5.h" +#include "binarybuffer.h" + +typedef struct orion_nand_controller_s +{ + struct target_s *target; + working_area_t *copy_area; + + u32 cmd; + u32 addr; + u32 data; +} orion_nand_controller_t; + +#define CHECK_HALTED \ + do { \ + if (target->state != TARGET_HALTED) { \ + LOG_ERROR("NAND flash access requires halted target"); \ + return ERROR_NAND_OPERATION_FAILED; \ + } \ + } while (0) + +int orion_nand_command(struct nand_device_s *device, u8 command) +{ + orion_nand_controller_t *hw = device->controller_priv; + target_t *target = hw->target; + + CHECK_HALTED; + target_write_u8(target, hw->cmd, command); + return ERROR_OK; +} + +int orion_nand_address(struct nand_device_s *device, u8 address) +{ + orion_nand_controller_t *hw = device->controller_priv; + target_t *target = hw->target; + + CHECK_HALTED; + target_write_u8(target, hw->addr, address); + return ERROR_OK; +} + +int orion_nand_read(struct nand_device_s *device, void *data) +{ + orion_nand_controller_t *hw = device->controller_priv; + target_t *target = hw->target; + + CHECK_HALTED; + target_read_u8(target, hw->data, data); + return ERROR_OK; +} + +int orion_nand_write(struct nand_device_s *device, u16 data) +{ + orion_nand_controller_t *hw = device->controller_priv; + target_t *target = hw->target; + + CHECK_HALTED; + target_write_u8(target, hw->data, data); + return ERROR_OK; +} + +int orion_nand_slow_block_write(struct nand_device_s *device, u8 *data, int size) +{ + while (size--) + orion_nand_write(device, *data++); + return ERROR_OK; +} + +int orion_nand_fast_block_write(struct nand_device_s *device, u8 *data, int size) +{ + orion_nand_controller_t *hw = device->controller_priv; + target_t *target = hw->target; + armv4_5_algorithm_t algo; + reg_param_t reg_params[3]; + u32 target_buf; + int retval; + + static const u32 code[] = { + 0xe4d13001, /* ldrb r3, [r1], #1 */ + 0xe5c03000, /* strb r3, [r0] */ + 0xe2522001, /* subs r2, r2, #1 */ + 0x1afffffb, /* bne 0 */ + 0xeafffffe, /* b . */ + }; + int code_size = sizeof(code); + + if (!hw->copy_area) { + u8 code_buf[code_size]; + int i; + + /* make sure we have a working area */ + if (target_alloc_working_area(target, + code_size + device->page_size, + &hw->copy_area) != ERROR_OK) + { + return orion_nand_slow_block_write(device, data, size); + } + + /* copy target instructions to target endianness */ + for (i = 0; i < code_size/4; i++) + target_buffer_set_u32(target, code_buf + i*4, code[i]); + + /* write code to working area */ + retval = target->type->write_memory(target, + hw->copy_area->address, + 4, code_size/4, code_buf); + if (retval != ERROR_OK) + return retval; + } + + /* copy data to target's memory */ + target_buf = hw->copy_area->address + code_size; + retval = target->type->bulk_write_memory(target, target_buf, + size/4, data); + if (retval == ERROR_OK && size & 3) { + retval = target->type->write_memory(target, + target_buf + (size & ~3), + 1, size & 3, data + (size & ~3)); + } + if (retval != ERROR_OK) + return retval; + + algo.common_magic = ARMV4_5_COMMON_MAGIC; + algo.core_mode = ARMV4_5_MODE_SVC; + algo.core_state = ARMV4_5_STATE_ARM; + + init_reg_param(®_params[0], "r0", 32, PARAM_IN); + init_reg_param(®_params[1], "r1", 32, PARAM_IN); + init_reg_param(®_params[2], "r2", 32, PARAM_IN); + + buf_set_u32(reg_params[0].value, 0, 32, hw->data); + buf_set_u32(reg_params[1].value, 0, 32, target_buf); + buf_set_u32(reg_params[2].value, 0, 32, size); + + retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params, + hw->copy_area->address, + hw->copy_area->address + code_size - 4, + 1000, &algo); + if (retval != ERROR_OK) + LOG_ERROR("error executing hosted NAND write"); + + destroy_reg_param(®_params[0]); + destroy_reg_param(®_params[1]); + destroy_reg_param(®_params[2]); + return retval; +} + +int orion_nand_reset(struct nand_device_s *device) +{ + return orion_nand_command(device, NAND_CMD_RESET); +} + +int orion_nand_controller_ready(struct nand_device_s *device, int timeout) +{ + return 1; +} + +int orion_nand_register_commands(struct command_context_s *cmd_ctx) +{ + return ERROR_OK; +} + +int orion_nand_device_command(struct command_context_s *cmd_ctx, char *cmd, + char **args, int argc, + struct nand_device_s *device) +{ + orion_nand_controller_t *hw; + u32 base; + u8 ale, cle; + + if (argc != 3) { + LOG_ERROR("arguments must be: <target_number> <NAND_address>\n"); + return ERROR_NAND_DEVICE_INVALID; + } + + hw = calloc(1, sizeof(*hw)); + if (!hw) { + LOG_ERROR("no memory for nand controller\n"); + return ERROR_NAND_DEVICE_INVALID; + } + + device->controller_priv = hw; + hw->target = get_target_by_num(strtoul(args[1], NULL, 0)); + if (!hw->target) { + LOG_ERROR("no target '%s' configured", args[1]); + free(hw); + return ERROR_NAND_DEVICE_INVALID; + } + + base = strtoul(args[2], NULL, 0); + cle = 0; + ale = 1; + + hw->data = base; + hw->cmd = base + (1 << cle); + hw->addr = base + (1 << ale); + + return ERROR_OK; +} + +int orion_nand_init(struct nand_device_s *device) +{ + return ERROR_OK; +} + +nand_flash_controller_t orion_nand_controller = +{ + .name = "orion", + .command = orion_nand_command, + .address = orion_nand_address, + .read_data = orion_nand_read, + .write_data = orion_nand_write, + .write_block_data = orion_nand_fast_block_write, + .reset = orion_nand_reset, + .controller_ready = orion_nand_controller_ready, + .nand_device_command = orion_nand_device_command, + .register_commands = orion_nand_register_commands, + .init = orion_nand_init, +}; + |