- renamed x7926 driver to aduc702x to match other flash drivers

- removed c99 types (mingw issues) from aduc driver and cleanup
- updated docs for aduc702x flash driver

git-svn-id: svn://svn.berlios.de/openocd/trunk@995 b42882b7-edfa-0310-969c-e2dbd0fdcd60

1 files changed, 209 insertions, 0 deletions

diff --git a/src/flash/aduc702x.c b/src/flash/aduc702x.c
new file mode 100644
index 00000000..0df57479
--- /dev/null
+++ b/src/flash/aduc702x.c
@@ -0,0 +1,209 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Kevin McGuire                                   *
+ *   Copyright (C) 2008 by Marcel Wijlaars                                 *
+ *                                                                         *
+ *   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 "flash.h"
+#include "target.h"
+#include "log.h"
+#include "armv4_5.h"
+#include "algorithm.h"
+#include "binarybuffer.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int aduc702x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
+int aduc702x_register_commands(struct command_context_s *cmd_ctx);
+int aduc702x_erase(struct flash_bank_s *bank, int first, int last);
+int aduc702x_protect(struct flash_bank_s *bank, int set, int first, int last);
+int aduc702x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
+int aduc702x_probe(struct flash_bank_s *bank);
+int aduc702x_info(struct flash_bank_s *bank, char *buf, int buf_size);
+int aduc702x_protect_check(struct flash_bank_s *bank);
+
+#define ADUC702x_FLASH				0xfffff800
+#define ADUC702x_FLASH_FEESTA		(0*4)
+#define ADUC702x_FLASH_FEEMOD		(1*4)
+#define ADUC702x_FLASH_FEECON		(2*4)
+#define ADUC702x_FLASH_FEEDAT		(3*4)
+#define ADUC702x_FLASH_FEEADR		(4*4)
+#define ADUC702x_FLASH_FEESIGN		(5*4)
+#define ADUC702x_FLASH_FEEPRO		(6*4)
+#define ADUC702x_FLASH_FEEHIDE		(7*4)
+
+typedef struct {
+	u32 feesta;
+	u32 feemod;
+	u32 feecon;
+	u32 feedat;
+	u32 feeadr;
+	u32 feesign;
+	u32 feepro;
+	u32 feehide;
+} ADUC702x_FLASH_MMIO;
+
+typedef struct
+{
+	unsigned char tmp;
+} aduc702x_bank;
+
+flash_driver_t aduc702x_flash =
+{
+	.name = "aduc702x",
+	.register_commands = aduc702x_register_commands,
+	.flash_bank_command = aduc702x_flash_bank_command,
+	.erase = aduc702x_erase,
+	.protect = aduc702x_protect,
+	.write = aduc702x_write,
+	.probe = aduc702x_probe,
+	.auto_probe = aduc702x_probe,
+	.erase_check = default_flash_blank_check,
+	.protect_check = aduc702x_protect_check,
+	.info = aduc702x_info
+};
+
+int aduc702x_register_commands(struct command_context_s *cmd_ctx)
+{
+	return ERROR_OK;
+}
+
+/* flash bank aduc702x <base> <size> 0 0 <target#>  */
+int aduc702x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
+{
+	aduc702x_bank *nbank;
+
+	if (argc < 6)
+	{
+		LOG_WARNING("incomplete flash_bank aduc702x configuration");
+		return ERROR_FLASH_BANK_INVALID;
+	}
+
+	nbank = malloc(sizeof(aduc702x_bank));
+	/* just warn that we are used to normally using 0x80000 */
+	if (bank->base != 0x80000)
+	{
+		LOG_WARNING("Default base address is 0x80000 on the ADuC7026!");
+	}
+	
+	nbank->tmp = 1;
+	bank->driver_priv = nbank;
+	return ERROR_OK;
+}
+
+int aduc702x_protect_check(struct flash_bank_s *bank)
+{
+	printf("aduc702x_protect_check not implemented yet.\n");
+	return ERROR_OK;
+}
+
+int aduc702x_erase(struct flash_bank_s *bank, int first, int last)
+{
+	int x;
+	int count;
+	u32 v;
+	target_t *target = bank->target;
+
+	/* mass erase */
+	if ((first | last) == 0)
+	{
+		LOG_DEBUG("performing mass erase.\n");
+		target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEDAT, 0x3cff);
+		target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEADR, 0xffc3);
+		target_read_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEMOD, &v);
+		target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEMOD, v | 0x8);
+		target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEECON, 0x06);
+		for (v = 0x4; v & 0x4;
+			target_read_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEESTA, &v));
+
+		if (!(v & 0x1))
+		{
+			LOG_ERROR("mass erase failed.\n");
+			return ERROR_FLASH_SECTOR_NOT_ERASED;
+		}
+		LOG_DEBUG("mass erase successful.\n");
+		return ERROR_OK;
+	}
+
+	count = last - first;
+	for (x = 0; x < count; ++x)
+	{
+		target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEADR, bank->base + first * 512 + x * 512);
+		target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEECON, 0x05);
+		for (v = 0x4; v & 0x4; target_read_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEESTA, &v));
+		if (!(v & 0x1))
+		{
+			LOG_ERROR("erase failed for page address %x\n", bank->base + first * 512 + x * 512);
+			return ERROR_FLASH_SECTOR_NOT_ERASED;
+		}
+		LOG_DEBUG("erased page address %x\n", bank->base + first * 512 + x * 512);
+	}
+	return ERROR_OK;
+}
+
+int aduc702x_protect(struct flash_bank_s *bank, int set, int first, int last)
+{
+	printf("aduc702x_protect not implemented yet.\n");
+	return ERROR_FLASH_OPERATION_FAILED;
+}
+
+int aduc702x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
+{
+	int x;
+	u32	v;
+	target_t *target = bank->target;
+	
+	for (x = 0; x < count; x += 2)
+	{
+		target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEADR, offset + x);
+		/* if we able to encounter a single byte instead of a word */
+		if ((x + 1) == count) {
+			target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEDAT, buffer[x]);
+		}
+		else {
+			target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEDAT, buffer[x] | (buffer[x+1] << 8));
+		}
+		target_write_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEECON, 0x02);
+		for (v = 0x4; v & 0x4; target_read_u32(target, ADUC702x_FLASH + ADUC702x_FLASH_FEESTA, &v));
+		if (!(v & 0x1))
+		{
+			LOG_ERROR("single write failed for address %x.\n", offset + x);
+			return ERROR_FLASH_OPERATION_FAILED;
+		}
+		LOG_DEBUG("single write for address %x.\n", offset + x);
+	}
+	return ERROR_OK;
+}
+
+int aduc702x_probe(struct flash_bank_s *bank)
+{
+	return ERROR_OK;
+}
+
+int aduc702x_info(struct flash_bank_s *bank, char *buf, int buf_size)
+{
+	snprintf(buf, buf_size, "aduc702x flash driver info" );
+	return ERROR_OK;
+}