move nor drivers to src/flash/nor

Moves NOR flash drivers to 'src/flash/nor/'.
Adds 'src/flash/nor/Makefile.am'.
Builds 'libocdflashnor.la'.

1 files changed, 0 insertions, 425 deletions

diff --git a/src/flash/aduc702x.c b/src/flash/aduc702x.c
deleted file mode 100644
index 643705ca..00000000
--- a/src/flash/aduc702x.c
+++ /dev/null
@@ -1,425 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2008 by Kevin McGuire                                   *
- *   Copyright (C) 2008 by Marcel Wijlaars                                 *
- *   Copyright (C) 2009 by Michael Ashton                                  *
- *                                                                         *
- *   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 "flash.h"
-#include "armv4_5.h"
-#include "binarybuffer.h"
-#include "time_support.h"
-#include "algorithm.h"
-
-
-static int aduc702x_build_sector_list(struct flash_bank *bank);
-static int aduc702x_check_flash_completion(struct target* target, unsigned int timeout_ms);
-static int aduc702x_set_write_enable(struct target *target, int enable);
-
-#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)
-
-struct aduc702x_flash_bank {
-	struct working_area *write_algorithm;
-};
-
-/* flash bank aduc702x 0 0 0 0 <target#>
- * The ADC7019-28 devices all have the same flash layout */
-FLASH_BANK_COMMAND_HANDLER(aduc702x_flash_bank_command)
-{
-	struct aduc702x_flash_bank *nbank;
-
-	nbank = malloc(sizeof(struct aduc702x_flash_bank));
-
-        bank->base = 0x80000;
-        bank->size = 0xF800; // top 4k not accessible
-	bank->driver_priv = nbank;
-
-        aduc702x_build_sector_list(bank);
-
-        return ERROR_OK;
-}
-
-static int aduc702x_build_sector_list(struct flash_bank *bank)
-{
-	//aduc7026_struct flash_bank *aduc7026_info = bank->driver_priv;
-
-        int i = 0;
-        uint32_t offset = 0;
-
-        // sector size is 512
-        bank->num_sectors = bank->size / 512;
-        bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
-        for (i = 0; i < bank->num_sectors; ++i)
-        {
-                bank->sectors[i].offset = offset;
-                bank->sectors[i].size = 512;
-                offset += bank->sectors[i].size;
-                bank->sectors[i].is_erased = -1;
-                bank->sectors[i].is_protected = 0;
-        }
-
-	return ERROR_OK;
-}
-
-static int aduc702x_protect_check(struct flash_bank *bank)
-{
-	printf("aduc702x_protect_check not implemented yet.\n");
-	return ERROR_OK;
-}
-
-static int aduc702x_erase(struct flash_bank *bank, int first, int last)
-{
-        //int res;
-	int x;
-	int count;
-	//uint32_t v;
-	struct target *target = bank->target;
-
-        aduc702x_set_write_enable(target, 1);
-
-	/* mass erase */
-	if (((first | last) == 0) || ((first == 0) && (last >= bank->num_sectors))) {
-		LOG_DEBUG("performing mass erase.\n");
-		target_write_u16(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEDAT, 0x3cff);
-		target_write_u16(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEADR, 0xffc3);
-		target_write_u8(target, ADUC702x_FLASH + ADUC702x_FLASH_FEECON, 0x06);
-
-                if (aduc702x_check_flash_completion(target, 3500) != ERROR_OK)
-		{
-			LOG_ERROR("mass erase failed\n");
-                        aduc702x_set_write_enable(target, 0);
-			return ERROR_FLASH_OPERATION_FAILED;
-		}
-
-		LOG_DEBUG("mass erase successful.\n");
-		return ERROR_OK;
-	} else {
-                unsigned long adr;
-
-                count = last - first + 1;
-                for (x = 0; x < count; ++x)
-                {
-                        adr = bank->base + ((first + x) * 512);
-
-                        target_write_u16(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEADR, adr);
-                        target_write_u8(target, ADUC702x_FLASH + ADUC702x_FLASH_FEECON, 0x05);
-
-                        if (aduc702x_check_flash_completion(target, 50) != ERROR_OK)
-                        {
-                                LOG_ERROR("failed to erase sector at address 0x%08lX\n", adr);
-                                aduc702x_set_write_enable(target, 0);
-                                return ERROR_FLASH_SECTOR_NOT_ERASED;
-                        }
-
-                        LOG_DEBUG("erased sector at address 0x%08lX\n", adr);
-                }
-        }
-
-        aduc702x_set_write_enable(target, 0);
-
-	return ERROR_OK;
-}
-
-static int aduc702x_protect(struct flash_bank *bank, int set, int first, int last)
-{
-	printf("aduc702x_protect not implemented yet.\n");
-	return ERROR_FLASH_OPERATION_FAILED;
-}
-
-/* If this fn returns ERROR_TARGET_RESOURCE_NOT_AVAILABLE, then the caller can fall
- * back to another mechanism that does not require onboard RAM
- *
- * Caller should not check for other return values specifically
- */
-static int aduc702x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
-{
-	struct aduc702x_flash_bank *aduc702x_info = bank->driver_priv;
-	struct target *target = bank->target;
-	uint32_t buffer_size = 7000;
-	struct working_area *source;
-	uint32_t address = bank->base + offset;
-	struct reg_param reg_params[6];
-	struct armv4_5_algorithm armv4_5_info;
-	int retval = ERROR_OK;
-
-	if (((count%2)!=0)||((offset%2)!=0))
-	{
-		LOG_ERROR("write block must be multiple of two bytes in offset & length");
-		return ERROR_FAIL;
-	}
-
-        /* parameters:
-
-        r0 - address of source data (absolute)
-        r1 - number of halfwords to be copied
-        r2 - start address in flash (offset from beginning of flash memory)
-        r3 - exit code
-        r4 - base address of flash controller (0xFFFFF800)
-
-        registers:
-
-        r5 - scratch
-        r6 - set to 2, used to write flash command
-
-        */
-        uint32_t aduc702x_flash_write_code[] = {
-        //<_start>:
-                0xe3a05008,	// mov	r5, #8	; 0x8
-                0xe5845004,	// str	r5, [r4, #4]
-                0xe3a06002,	// mov	r6, #2	; 0x2
-        //<next>:
-                0xe1c421b0,	// strh	r2, [r4, #16]
-                0xe0d050b2,	// ldrh	r5, [r0], #2
-                0xe1c450bc,	// strh	r5, [r4, #12]
-                0xe5c46008,	// strb	r6, [r4, #8]
-        //<wait_complete>:
-                0xe1d430b0,	// ldrh	r3, [r4]
-                0xe3130004,	// tst	r3, #4	; 0x4
-                0x1afffffc,	// bne	1001c <wait_complete>
-                0xe2822002,	// add	r2, r2, #2	; 0x2
-                0xe2511001,	// subs	r1, r1, #1	; 0x1
-                0x0a000001,	// beq	1003c <done>
-                0xe3130001,	// tst	r3, #1	; 0x1
-                0x1afffff3,	// bne	1000c <next>
-        //<done>:
-                0xeafffffe 	// b	1003c <done>
-	};
-
-	/* flash write code */
-	if (target_alloc_working_area(target, sizeof(aduc702x_flash_write_code),
-                &aduc702x_info->write_algorithm) != ERROR_OK)
-	{
-		LOG_WARNING("no working area available, can't do block memory writes");
-		return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
-	};
-
-	retval=target_write_buffer(target, aduc702x_info->write_algorithm->address,
-                sizeof(aduc702x_flash_write_code), (uint8_t*)aduc702x_flash_write_code);
-	if (retval!=ERROR_OK)
-	{
-		return retval;
-	}
-
-	/* memory buffer */
-	while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK)
-	{
-		buffer_size /= 2;
-		if (buffer_size <= 256)
-		{
-			/* if we already allocated the writing code, but failed to get a buffer, free the algorithm */
-			if (aduc702x_info->write_algorithm)
-				target_free_working_area(target, aduc702x_info->write_algorithm);
-
-			LOG_WARNING("no large enough working area available, can't do block memory writes");
-			return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
-		}
-	}
-
-	armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
-	armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
-	armv4_5_info.core_state = ARMV4_5_STATE_ARM;
-
-	init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
-	init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
-	init_reg_param(&reg_params[2], "r2", 32, PARAM_OUT);
-	init_reg_param(&reg_params[3], "r3", 32, PARAM_IN);
-	init_reg_param(&reg_params[4], "r4", 32, PARAM_OUT);
-
-	while (count > 0)
-	{
-		uint32_t thisrun_count = (count > buffer_size) ? buffer_size : count;
-
-		retval=target_write_buffer(target, source->address, thisrun_count, buffer);
-		if (retval!=ERROR_OK)
-		{
-			break;
-		}
-
-		buf_set_u32(reg_params[0].value, 0, 32, source->address);
-		buf_set_u32(reg_params[1].value, 0, 32, thisrun_count/2);
-		buf_set_u32(reg_params[2].value, 0, 32, address);
-		buf_set_u32(reg_params[4].value, 0, 32, 0xFFFFF800);
-
-		if ((retval = target_run_algorithm(target, 0, NULL, 5,
-                        reg_params, aduc702x_info->write_algorithm->address,
-                        aduc702x_info->write_algorithm->address + sizeof(aduc702x_flash_write_code) - 4,
-                        10000, &armv4_5_info)) != ERROR_OK)
-		{
-			LOG_ERROR("error executing aduc702x flash write algorithm");
-			break;
-		}
-
-		if ((buf_get_u32(reg_params[3].value, 0, 32) & 1) != 1)
-		{
-			/* FIX!!!! what does this mean??? replace w/sensible error message */
-			LOG_ERROR("aduc702x detected error writing flash");
-			retval = ERROR_FAIL;
-			break;
-		}
-
-		buffer += thisrun_count;
-		address += thisrun_count;
-		count -= thisrun_count;
-	}
-
-	target_free_working_area(target, source);
-	target_free_working_area(target, aduc702x_info->write_algorithm);
-
-	destroy_reg_param(&reg_params[0]);
-	destroy_reg_param(&reg_params[1]);
-	destroy_reg_param(&reg_params[2]);
-	destroy_reg_param(&reg_params[3]);
-	destroy_reg_param(&reg_params[4]);
-
-	return retval;
-}
-
-/* All-JTAG, single-access method.  Very slow.  Used only if there is no
- * working area available. */
-static int aduc702x_write_single(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
-{
-	uint32_t x;
-        uint8_t b;
-	struct target *target = bank->target;
-
-        aduc702x_set_write_enable(target, 1);
-
-	for (x = 0; x < count; x += 2) {
-                // FEEADR = address
-		target_write_u16(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEADR, offset + x);
-
-                // set up data
-		if ((x + 1) == count)
-                {
-                        // last byte
-                        target_read_u8(target, offset + x + 1, &b);
-                }
-                else
-                        b = buffer[x + 1];
-
-                target_write_u16(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEDAT, buffer[x] | (b << 8));
-
-                // do single-write command
-		target_write_u8(target, ADUC702x_FLASH + ADUC702x_FLASH_FEECON, 0x02);
-
-                if (aduc702x_check_flash_completion(target, 1) != ERROR_OK)
-                {
-			LOG_ERROR("single write failed for address 0x%08lX\n", (unsigned long)(offset + x));
-                        aduc702x_set_write_enable(target, 0);
-			return ERROR_FLASH_OPERATION_FAILED;
-		}
-
-	}
-        LOG_DEBUG("wrote %d bytes at address 0x%08lX\n", (int)count, (unsigned long)(offset + x));
-
-        aduc702x_set_write_enable(target, 0);
-
-	return ERROR_OK;
-}
-
-int aduc702x_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
-{
-	int retval;
-
-        /* try using a block write */
-        if ((retval = aduc702x_write_block(bank, buffer, offset, count)) != ERROR_OK)
-        {
-                if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
-                {
-                        /* if block write failed (no sufficient working area),
-                         * use normal (slow) JTAG method */
-                        LOG_WARNING("couldn't use block writes, falling back to single memory accesses");
-
-                        if ((retval = aduc702x_write_single(bank, buffer, offset, count)) != ERROR_OK)
-                        {
-                                LOG_ERROR("slow write failed");
-                                return ERROR_FLASH_OPERATION_FAILED;
-                        }
-                }
-        }
-
-        return retval;
-}
-
-static int aduc702x_probe(struct flash_bank *bank)
-{
-	return ERROR_OK;
-}
-
-static int aduc702x_info(struct flash_bank *bank, char *buf, int buf_size)
-{
-	snprintf(buf, buf_size, "aduc702x flash driver info");
-	return ERROR_OK;
-}
-
-/* sets FEEMOD bit 3
- * enable = 1 enables writes & erases, 0 disables them */
-static int aduc702x_set_write_enable(struct target *target, int enable)
-{
-        // don't bother to preserve int enable bit here
-        target_write_u16(target, ADUC702x_FLASH + ADUC702x_FLASH_FEEMOD, enable ? 8 : 0);
-
-        return ERROR_OK;
-}
-
-/* wait up to timeout_ms for controller to not be busy,
- * then check whether the command passed or failed.
- *
- * this function sleeps 1ms between checks (after the first one),
- * so in some cases may slow things down without a usleep after the first read */
-static int aduc702x_check_flash_completion(struct target* target, unsigned int timeout_ms)
-{
-        uint8_t v = 4;
-
-        long long endtime = timeval_ms() + timeout_ms;
-        while (1) {
-                target_read_u8(target, ADUC702x_FLASH + ADUC702x_FLASH_FEESTA, &v);
-                if ((v & 4) == 0) break;
-                alive_sleep(1);
-                if (timeval_ms() >= endtime) break;
-        }
-
-        if (v & 2) return ERROR_FAIL;
-        // if a command is ignored, both the success and fail bits may be 0
-        else if ((v & 3) == 0) return ERROR_FAIL;
-        else return ERROR_OK;
-}
-
-struct flash_driver aduc702x_flash = {
-		.name = "aduc702x",
-		.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
-	};