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, 1271 deletions

diff --git a/src/flash/tms470.c b/src/flash/tms470.c
deleted file mode 100644
index 59659346..00000000
--- a/src/flash/tms470.c
+++ /dev/null
@@ -1,1271 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2007,2008 by Christopher Kilgour                        *
- *   techie |_at_| whiterocker |_dot_| 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.             *
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "tms470.h"
-
-
-/* ----------------------------------------------------------------------
-                      Internal Support, Helpers
-   ---------------------------------------------------------------------- */
-
-const struct flash_sector TMS470R1A256_SECTORS[] = {
-	{0x00000000, 0x00002000, -1, -1},
-	{0x00002000, 0x00002000, -1, -1},
-	{0x00004000, 0x00002000, -1, -1},
-	{0x00006000, 0x00002000, -1, -1},
-	{0x00008000, 0x00008000, -1, -1},
-	{0x00010000, 0x00008000, -1, -1},
-	{0x00018000, 0x00008000, -1, -1},
-	{0x00020000, 0x00008000, -1, -1},
-	{0x00028000, 0x00008000, -1, -1},
-	{0x00030000, 0x00008000, -1, -1},
-	{0x00038000, 0x00002000, -1, -1},
-	{0x0003A000, 0x00002000, -1, -1},
-	{0x0003C000, 0x00002000, -1, -1},
-	{0x0003E000, 0x00002000, -1, -1},
-};
-
-#define TMS470R1A256_NUM_SECTORS \
-	ARRAY_SIZE(TMS470R1A256_SECTORS)
-
-const struct flash_sector TMS470R1A288_BANK0_SECTORS[] = {
-	{0x00000000, 0x00002000, -1, -1},
-	{0x00002000, 0x00002000, -1, -1},
-	{0x00004000, 0x00002000, -1, -1},
-	{0x00006000, 0x00002000, -1, -1},
-};
-
-#define TMS470R1A288_BANK0_NUM_SECTORS \
-	ARRAY_SIZE(TMS470R1A288_BANK0_SECTORS)
-
-const struct flash_sector TMS470R1A288_BANK1_SECTORS[] = {
-	{0x00040000, 0x00010000, -1, -1},
-	{0x00050000, 0x00010000, -1, -1},
-	{0x00060000, 0x00010000, -1, -1},
-	{0x00070000, 0x00010000, -1, -1},
-};
-
-#define TMS470R1A288_BANK1_NUM_SECTORS \
-	ARRAY_SIZE(TMS470R1A288_BANK1_SECTORS)
-
-const struct flash_sector TMS470R1A384_BANK0_SECTORS[] = {
-	{0x00000000, 0x00002000, -1, -1},
-	{0x00002000, 0x00002000, -1, -1},
-	{0x00004000, 0x00004000, -1, -1},
-	{0x00008000, 0x00004000, -1, -1},
-	{0x0000C000, 0x00004000, -1, -1},
-	{0x00010000, 0x00004000, -1, -1},
-	{0x00014000, 0x00004000, -1, -1},
-	{0x00018000, 0x00002000, -1, -1},
-	{0x0001C000, 0x00002000, -1, -1},
-	{0x0001E000, 0x00002000, -1, -1},
-};
-
-#define TMS470R1A384_BANK0_NUM_SECTORS \
-	ARRAY_SIZE(TMS470R1A384_BANK0_SECTORS)
-
-const struct flash_sector TMS470R1A384_BANK1_SECTORS[] = {
-	{0x00020000, 0x00008000, -1, -1},
-	{0x00028000, 0x00008000, -1, -1},
-	{0x00030000, 0x00008000, -1, -1},
-	{0x00038000, 0x00008000, -1, -1},
-};
-
-#define TMS470R1A384_BANK1_NUM_SECTORS \
-	ARRAY_SIZE(TMS470R1A384_BANK1_SECTORS)
-
-const struct flash_sector TMS470R1A384_BANK2_SECTORS[] = {
-	{0x00040000, 0x00008000, -1, -1},
-	{0x00048000, 0x00008000, -1, -1},
-	{0x00050000, 0x00008000, -1, -1},
-	{0x00058000, 0x00008000, -1, -1},
-};
-
-#define TMS470R1A384_BANK2_NUM_SECTORS \
-	ARRAY_SIZE(TMS470R1A384_BANK2_SECTORS)
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_read_part_info(struct flash_bank *bank)
-{
-	struct tms470_flash_bank *tms470_info = bank->driver_priv;
-	struct target *target = bank->target;
-	uint32_t device_ident_reg;
-	uint32_t silicon_version;
-	uint32_t technology_family;
-	uint32_t rom_flash;
-	uint32_t part_number;
-	char *part_name;
-
-	/* we shall not rely on the caller in this test, this function allocates memory,
-	   thus and executing the code more than once may cause memory leak */
-	if (tms470_info->device_ident_reg)
-	  return ERROR_OK;
-
-	/* read and parse the device identification register */
-	target_read_u32(target, 0xFFFFFFF0, &device_ident_reg);
-
-	LOG_INFO("device_ident_reg = 0x%08" PRIx32 "", device_ident_reg);
-
-	if ((device_ident_reg & 7) == 0)
-	{
-		LOG_WARNING("Cannot identify target as a TMS470 family.");
-		return ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	silicon_version = (device_ident_reg >> 12) & 0xF;
-	technology_family = (device_ident_reg >> 11) & 1;
-	rom_flash = (device_ident_reg >> 10) & 1;
-	part_number = (device_ident_reg >> 3) & 0x7f;
-
-	/*
-	 * If the part number is known, determine if the flash bank is valid
-	 * based on the base address being within the known flash bank
-	 * ranges.  Then fixup/complete the remaining fields of the flash
-	 * bank structure.
-	 */
-	switch (part_number)
-	{
-	case 0x0a:
-		part_name = "TMS470R1A256";
-
-		if (bank->base >= 0x00040000)
-		{
-			LOG_ERROR("No %s flash bank contains base address 0x%08" PRIx32 ".", part_name, bank->base);
-			return ERROR_FLASH_OPERATION_FAILED;
-		}
-		tms470_info->ordinal = 0;
-		bank->base = 0x00000000;
-		bank->size = 256 * 1024;
-		bank->num_sectors = TMS470R1A256_NUM_SECTORS;
-		bank->sectors = malloc(sizeof(TMS470R1A256_SECTORS));
-		if (!bank->sectors)
-		{
-			return ERROR_FLASH_OPERATION_FAILED;
-		}
-		(void)memcpy(bank->sectors, TMS470R1A256_SECTORS, sizeof(TMS470R1A256_SECTORS));
-		break;
-
-	case 0x2b:
-		part_name = "TMS470R1A288";
-
-		if (bank->base < 0x00008000)
-		{
-			tms470_info->ordinal = 0;
-			bank->base = 0x00000000;
-			bank->size = 32 * 1024;
-			bank->num_sectors = TMS470R1A288_BANK0_NUM_SECTORS;
-			bank->sectors = malloc(sizeof(TMS470R1A288_BANK0_SECTORS));
-			if (!bank->sectors)
-			{
-				return ERROR_FLASH_OPERATION_FAILED;
-			}
-			(void)memcpy(bank->sectors, TMS470R1A288_BANK0_SECTORS, sizeof(TMS470R1A288_BANK0_SECTORS));
-		}
-		else if ((bank->base >= 0x00040000) && (bank->base < 0x00080000))
-		{
-			tms470_info->ordinal = 1;
-			bank->base = 0x00040000;
-			bank->size = 256 * 1024;
-			bank->num_sectors = TMS470R1A288_BANK1_NUM_SECTORS;
-			bank->sectors = malloc(sizeof(TMS470R1A288_BANK1_SECTORS));
-			if (!bank->sectors)
-			{
-				return ERROR_FLASH_OPERATION_FAILED;
-			}
-			(void)memcpy(bank->sectors, TMS470R1A288_BANK1_SECTORS, sizeof(TMS470R1A288_BANK1_SECTORS));
-		}
-		else
-		{
-			LOG_ERROR("No %s flash bank contains base address 0x%08" PRIx32 ".", part_name, bank->base);
-			return ERROR_FLASH_OPERATION_FAILED;
-		}
-		break;
-
-	case 0x2d:
-		part_name = "TMS470R1A384";
-
-		if (bank->base < 0x00020000)
-		{
-			tms470_info->ordinal = 0;
-			bank->base = 0x00000000;
-			bank->size = 128 * 1024;
-			bank->num_sectors = TMS470R1A384_BANK0_NUM_SECTORS;
-			bank->sectors = malloc(sizeof(TMS470R1A384_BANK0_SECTORS));
-			if (!bank->sectors)
-			{
-				return ERROR_FLASH_OPERATION_FAILED;
-			}
-			(void)memcpy(bank->sectors, TMS470R1A384_BANK0_SECTORS, sizeof(TMS470R1A384_BANK0_SECTORS));
-		}
-		else if ((bank->base >= 0x00020000) && (bank->base < 0x00040000))
-		{
-			tms470_info->ordinal = 1;
-			bank->base = 0x00020000;
-			bank->size = 128 * 1024;
-			bank->num_sectors = TMS470R1A384_BANK1_NUM_SECTORS;
-			bank->sectors = malloc(sizeof(TMS470R1A384_BANK1_SECTORS));
-			if (!bank->sectors)
-			{
-				return ERROR_FLASH_OPERATION_FAILED;
-			}
-			(void)memcpy(bank->sectors, TMS470R1A384_BANK1_SECTORS, sizeof(TMS470R1A384_BANK1_SECTORS));
-		}
-		else if ((bank->base >= 0x00040000) && (bank->base < 0x00060000))
-		{
-			tms470_info->ordinal = 2;
-			bank->base = 0x00040000;
-			bank->size = 128 * 1024;
-			bank->num_sectors = TMS470R1A384_BANK2_NUM_SECTORS;
-			bank->sectors = malloc(sizeof(TMS470R1A384_BANK2_SECTORS));
-			if (!bank->sectors)
-			{
-				return ERROR_FLASH_OPERATION_FAILED;
-			}
-			(void)memcpy(bank->sectors, TMS470R1A384_BANK2_SECTORS, sizeof(TMS470R1A384_BANK2_SECTORS));
-		}
-		else
-		{
-			LOG_ERROR("No %s flash bank contains base address 0x%08" PRIx32 ".", part_name, bank->base);
-			return ERROR_FLASH_OPERATION_FAILED;
-		}
-		break;
-
-	default:
-		LOG_WARNING("Could not identify part 0x%02x as a member of the TMS470 family.", (unsigned)part_number);
-		return ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	/* turn off memory selects */
-	target_write_u32(target, 0xFFFFFFE4, 0x00000000);
-	target_write_u32(target, 0xFFFFFFE0, 0x00000000);
-
-	bank->chip_width = 32;
-	bank->bus_width = 32;
-
-	LOG_INFO("Identified %s, ver=%d, core=%s, nvmem=%s.",
-		 part_name,
-		 (int)(silicon_version),
-		 (technology_family ? "1.8v" : "3.3v"),
-		 (rom_flash ? "rom" : "flash"));
-
-	tms470_info->device_ident_reg = device_ident_reg;
-	tms470_info->silicon_version = silicon_version;
-	tms470_info->technology_family = technology_family;
-	tms470_info->rom_flash = rom_flash;
-	tms470_info->part_number = part_number;
-	tms470_info->part_name = part_name;
-
-	/*
-	 * Disable reset on address access violation.
-	 */
-	target_write_u32(target, 0xFFFFFFE0, 0x00004007);
-
-	return ERROR_OK;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static uint32_t keysSet = 0;
-static uint32_t flashKeys[4];
-
-COMMAND_HANDLER(tms470_handle_flash_keyset_command)
-{
-	if (CMD_ARGC > 4)
-	{
-		command_print(CMD_CTX, "tms470 flash_keyset <key0> <key1> <key2> <key3>");
-		return ERROR_INVALID_ARGUMENTS;
-	}
-	else if (CMD_ARGC == 4)
-	{
-		int i;
-
-		for (i = 0; i < 4; i++)
-		{
-			int start = (0 == strncmp(CMD_ARGV[i], "0x", 2)) ? 2 : 0;
-
-			if (1 != sscanf(&CMD_ARGV[i][start], "%" SCNx32 "", &flashKeys[i]))
-			{
-				command_print(CMD_CTX, "could not process flash key %s", CMD_ARGV[i]);
-				LOG_ERROR("could not process flash key %s", CMD_ARGV[i]);
-				return ERROR_INVALID_ARGUMENTS;
-			}
-		}
-
-		keysSet = 1;
-	}
-	else if (CMD_ARGC != 0)
-	{
-		command_print(CMD_CTX, "tms470 flash_keyset <key0> <key1> <key2> <key3>");
-		return ERROR_INVALID_ARGUMENTS;
-	}
-
-	if (keysSet)
-	{
-		command_print(CMD_CTX, "using flash keys 0x%08" PRIx32 ", 0x%08" PRIx32 ", 0x%08" PRIx32 ", 0x%08" PRIx32 "",
-			      flashKeys[0], flashKeys[1], flashKeys[2], flashKeys[3]);
-	}
-	else
-	{
-		command_print(CMD_CTX, "flash keys not set");
-	}
-
-	return ERROR_OK;
-}
-
-static const uint32_t FLASH_KEYS_ALL_ONES[] = { 0xFFFFFFFF, 0xFFFFFFFF,
-	0xFFFFFFFF, 0xFFFFFFFF,
-};
-
-static const uint32_t FLASH_KEYS_ALL_ZEROS[] = { 0x00000000, 0x00000000,
-	0x00000000, 0x00000000,
-};
-
-static const uint32_t FLASH_KEYS_MIX1[] = { 0xf0fff0ff, 0xf0fff0ff,
-	0xf0fff0ff, 0xf0fff0ff
-};
-
-static const uint32_t FLASH_KEYS_MIX2[] = { 0x0000ffff, 0x0000ffff,
-	0x0000ffff, 0x0000ffff
-};
-
-/* ---------------------------------------------------------------------- */
-
-static int oscMHz = 12;
-
-COMMAND_HANDLER(tms470_handle_osc_megahertz_command)
-{
-	if (CMD_ARGC > 1)
-	{
-		command_print(CMD_CTX, "tms470 osc_megahertz <MHz>");
-		return ERROR_INVALID_ARGUMENTS;
-	}
-	else if (CMD_ARGC == 1)
-	{
-		sscanf(CMD_ARGV[0], "%d", &oscMHz);
-	}
-
-	if (oscMHz <= 0)
-	{
-		LOG_ERROR("osc_megahertz must be positive and non-zero!");
-		command_print(CMD_CTX, "osc_megahertz must be positive and non-zero!");
-		oscMHz = 12;
-		return ERROR_INVALID_ARGUMENTS;
-	}
-
-	command_print(CMD_CTX, "osc_megahertz=%d", oscMHz);
-
-	return ERROR_OK;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int plldis = 0;
-
-COMMAND_HANDLER(tms470_handle_plldis_command)
-{
-	if (CMD_ARGC > 1)
-	{
-		command_print(CMD_CTX, "tms470 plldis <0 | 1>");
-		return ERROR_INVALID_ARGUMENTS;
-	}
-	else if (CMD_ARGC == 1)
-	{
-		sscanf(CMD_ARGV[0], "%d", &plldis);
-		plldis = plldis ? 1 : 0;
-	}
-
-	command_print(CMD_CTX, "plldis=%d", plldis);
-
-	return ERROR_OK;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_check_flash_unlocked(struct target * target)
-{
-	uint32_t fmbbusy;
-
-	target_read_u32(target, 0xFFE89C08, &fmbbusy);
-	LOG_INFO("tms470 fmbbusy = 0x%08" PRIx32 " -> %s", fmbbusy, fmbbusy & 0x8000 ? "unlocked" : "LOCKED");
-	return fmbbusy & 0x8000 ? ERROR_OK : ERROR_FLASH_OPERATION_FAILED;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_try_flash_keys(struct target * target, const uint32_t * key_set)
-{
-	uint32_t glbctrl, fmmstat;
-	int retval = ERROR_FLASH_OPERATION_FAILED;
-
-	/* set GLBCTRL.4  */
-	target_read_u32(target, 0xFFFFFFDC, &glbctrl);
-	target_write_u32(target, 0xFFFFFFDC, glbctrl | 0x10);
-
-	/* only perform the key match when 3VSTAT is clear */
-	target_read_u32(target, 0xFFE8BC0C, &fmmstat);
-	if (!(fmmstat & 0x08))
-	{
-		unsigned i;
-		uint32_t fmbptr, fmbac2, orig_fmregopt;
-
-		target_write_u32(target, 0xFFE8BC04, fmmstat & ~0x07);
-
-		/* wait for pump ready */
-		do
-		{
-			target_read_u32(target, 0xFFE8A814, &fmbptr);
-			alive_sleep(1);
-		}
-		while (!(fmbptr & 0x0200));
-
-		/* force max wait states */
-		target_read_u32(target, 0xFFE88004, &fmbac2);
-		target_write_u32(target, 0xFFE88004, fmbac2 | 0xff);
-
-		/* save current access mode, force normal read mode */
-		target_read_u32(target, 0xFFE89C00, &orig_fmregopt);
-		target_write_u32(target, 0xFFE89C00, 0x00);
-
-		for (i = 0; i < 4; i++)
-		{
-			uint32_t tmp;
-
-			/* There is no point displaying the value of tmp, it is
-			 * filtered by the chip.  The purpose of this read is to
-			 * prime the unlocking logic rather than read out the value.
-			 */
-			target_read_u32(target, 0x00001FF0 + 4 * i, &tmp);
-
-			LOG_INFO("tms470 writing fmpkey = 0x%08" PRIx32 "", key_set[i]);
-			target_write_u32(target, 0xFFE89C0C, key_set[i]);
-		}
-
-		if (ERROR_OK == tms470_check_flash_unlocked(target))
-		{
-			/*
-			 * There seems to be a side-effect of reading the FMPKEY
-			 * register in that it re-enables the protection.  So we
-			 * re-enable it.
-			 */
-			for (i = 0; i < 4; i++)
-			{
-				uint32_t tmp;
-
-				target_read_u32(target, 0x00001FF0 + 4 * i, &tmp);
-				target_write_u32(target, 0xFFE89C0C, key_set[i]);
-			}
-			retval = ERROR_OK;
-		}
-
-		/* restore settings */
-		target_write_u32(target, 0xFFE89C00, orig_fmregopt);
-		target_write_u32(target, 0xFFE88004, fmbac2);
-	}
-
-	/* clear config bit */
-	target_write_u32(target, 0xFFFFFFDC, glbctrl);
-
-	return retval;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_unlock_flash(struct flash_bank *bank)
-{
-	struct target *target = bank->target;
-	const uint32_t *p_key_sets[5];
-	unsigned i, key_set_count;
-
-	if (keysSet)
-	{
-		key_set_count = 5;
-		p_key_sets[0] = flashKeys;
-		p_key_sets[1] = FLASH_KEYS_ALL_ONES;
-		p_key_sets[2] = FLASH_KEYS_ALL_ZEROS;
-		p_key_sets[3] = FLASH_KEYS_MIX1;
-		p_key_sets[4] = FLASH_KEYS_MIX2;
-	}
-	else
-	{
-		key_set_count = 4;
-		p_key_sets[0] = FLASH_KEYS_ALL_ONES;
-		p_key_sets[1] = FLASH_KEYS_ALL_ZEROS;
-		p_key_sets[2] = FLASH_KEYS_MIX1;
-		p_key_sets[3] = FLASH_KEYS_MIX2;
-	}
-
-	for (i = 0; i < key_set_count; i++)
-	{
-		if (tms470_try_flash_keys(target, p_key_sets[i]) == ERROR_OK)
-		{
-			LOG_INFO("tms470 flash is unlocked");
-			return ERROR_OK;
-		}
-	}
-
-	LOG_WARNING("tms470 could not unlock flash memory protection level 2");
-	return ERROR_FLASH_OPERATION_FAILED;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_flash_initialize_internal_state_machine(struct flash_bank *bank)
-{
-	uint32_t fmmac2, fmmac1, fmmaxep, k, delay, glbctrl, sysclk;
-	struct target *target = bank->target;
-	struct tms470_flash_bank *tms470_info = bank->driver_priv;
-	int result = ERROR_OK;
-
-	/*
-	 * Select the desired bank to be programmed by writing BANK[2:0] of
-	 * FMMAC2.
-	 */
-	target_read_u32(target, 0xFFE8BC04, &fmmac2);
-	fmmac2 &= ~0x0007;
-	fmmac2 |= (tms470_info->ordinal & 7);
-	target_write_u32(target, 0xFFE8BC04, fmmac2);
-	LOG_DEBUG("set fmmac2 = 0x%04" PRIx32 "", fmmac2);
-
-	/*
-	 * Disable level 1 sector protection by setting bit 15 of FMMAC1.
-	 */
-	target_read_u32(target, 0xFFE8BC00, &fmmac1);
-	fmmac1 |= 0x8000;
-	target_write_u32(target, 0xFFE8BC00, fmmac1);
-	LOG_DEBUG("set fmmac1 = 0x%04" PRIx32 "", fmmac1);
-
-	/*
-	 * FMTCREG = 0x2fc0;
-	 */
-	target_write_u32(target, 0xFFE8BC10, 0x2fc0);
-	LOG_DEBUG("set fmtcreg = 0x2fc0");
-
-	/*
-	 * MAXPP = 50
-	 */
-	target_write_u32(target, 0xFFE8A07C, 50);
-	LOG_DEBUG("set fmmaxpp = 50");
-
-	/*
-	 * MAXCP = 0xf000 + 2000
-	 */
-	target_write_u32(target, 0xFFE8A084, 0xf000 + 2000);
-	LOG_DEBUG("set fmmaxcp = 0x%04x", 0xf000 + 2000);
-
-	/*
-	 * configure VHV
-	 */
-	target_read_u32(target, 0xFFE8A080, &fmmaxep);
-	if (fmmaxep == 0xf000)
-	{
-		fmmaxep = 0xf000 + 4095;
-		target_write_u32(target, 0xFFE8A80C, 0x9964);
-		LOG_DEBUG("set fmptr3 = 0x9964");
-	}
-	else
-	{
-		fmmaxep = 0xa000 + 4095;
-		target_write_u32(target, 0xFFE8A80C, 0x9b64);
-		LOG_DEBUG("set fmptr3 = 0x9b64");
-	}
-	target_write_u32(target, 0xFFE8A080, fmmaxep);
-	LOG_DEBUG("set fmmaxep = 0x%04" PRIx32 "", fmmaxep);
-
-	/*
-	 * FMPTR4 = 0xa000
-	 */
-	target_write_u32(target, 0xFFE8A810, 0xa000);
-	LOG_DEBUG("set fmptr4 = 0xa000");
-
-	/*
-	 * FMPESETUP, delay parameter selected based on clock frequency.
-	 *
-	 * According to the TI App Note SPNU257 and flashing code, delay is
-	 * int((sysclk(MHz) + 1) / 2), with a minimum of 5.  The system
-	 * clock is usually derived from the ZPLL module, and selected by
-	 * the plldis global.
-	 */
-	target_read_u32(target, 0xFFFFFFDC, &glbctrl);
-	sysclk = (plldis ? 1 : (glbctrl & 0x08) ? 4 : 8) * oscMHz / (1 + (glbctrl & 7));
-	delay = (sysclk > 10) ? (sysclk + 1) / 2 : 5;
-	target_write_u32(target, 0xFFE8A018, (delay << 4) | (delay << 8));
-	LOG_DEBUG("set fmpsetup = 0x%04" PRIx32 "", (delay << 4) | (delay << 8));
-
-	/*
-	 * FMPVEVACCESS, based on delay.
-	 */
-	k = delay | (delay << 8);
-	target_write_u32(target, 0xFFE8A05C, k);
-	LOG_DEBUG("set fmpvevaccess = 0x%04" PRIx32 "", k);
-
-	/*
-	 * FMPCHOLD, FMPVEVHOLD, FMPVEVSETUP, based on delay.
-	 */
-	k <<= 1;
-	target_write_u32(target, 0xFFE8A034, k);
-	LOG_DEBUG("set fmpchold = 0x%04" PRIx32 "", k);
-	target_write_u32(target, 0xFFE8A040, k);
-	LOG_DEBUG("set fmpvevhold = 0x%04" PRIx32 "", k);
-	target_write_u32(target, 0xFFE8A024, k);
-	LOG_DEBUG("set fmpvevsetup = 0x%04" PRIx32 "", k);
-
-	/*
-	 * FMCVACCESS, based on delay.
-	 */
-	k = delay * 16;
-	target_write_u32(target, 0xFFE8A060, k);
-	LOG_DEBUG("set fmcvaccess = 0x%04" PRIx32 "", k);
-
-	/*
-	 * FMCSETUP, based on delay.
-	 */
-	k = 0x3000 | delay * 20;
-	target_write_u32(target, 0xFFE8A020, k);
-	LOG_DEBUG("set fmcsetup = 0x%04" PRIx32 "", k);
-
-	/*
-	 * FMEHOLD, based on delay.
-	 */
-	k = (delay * 20) << 2;
-	target_write_u32(target, 0xFFE8A038, k);
-	LOG_DEBUG("set fmehold = 0x%04" PRIx32 "", k);
-
-	/*
-	 * PWIDTH, CWIDTH, EWIDTH, based on delay.
-	 */
-	target_write_u32(target, 0xFFE8A050, delay * 8);
-	LOG_DEBUG("set fmpwidth = 0x%04" PRIx32 "", delay * 8);
-	target_write_u32(target, 0xFFE8A058, delay * 1000);
-	LOG_DEBUG("set fmcwidth = 0x%04" PRIx32 "", delay * 1000);
-	target_write_u32(target, 0xFFE8A054, delay * 5400);
-	LOG_DEBUG("set fmewidth = 0x%04" PRIx32 "", delay * 5400);
-
-	return result;
-}
-
-/* ---------------------------------------------------------------------- */
-
-int tms470_flash_status(struct flash_bank *bank)
-{
-	struct target *target = bank->target;
-	int result = ERROR_OK;
-	uint32_t fmmstat;
-
-	target_read_u32(target, 0xFFE8BC0C, &fmmstat);
-	LOG_DEBUG("set fmmstat = 0x%04" PRIx32 "", fmmstat);
-
-	if (fmmstat & 0x0080)
-	{
-		LOG_WARNING("tms470 flash command: erase still active after busy clear.");
-		result = ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	if (fmmstat & 0x0040)
-	{
-		LOG_WARNING("tms470 flash command: program still active after busy clear.");
-		result = ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	if (fmmstat & 0x0020)
-	{
-		LOG_WARNING("tms470 flash command: invalid data command.");
-		result = ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	if (fmmstat & 0x0010)
-	{
-		LOG_WARNING("tms470 flash command: program, erase or validate sector failed.");
-		result = ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	if (fmmstat & 0x0008)
-	{
-		LOG_WARNING("tms470 flash command: voltage instability detected.");
-		result = ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	if (fmmstat & 0x0006)
-	{
-		LOG_WARNING("tms470 flash command: command suspend detected.");
-		result = ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	if (fmmstat & 0x0001)
-	{
-		LOG_WARNING("tms470 flash command: sector was locked.");
-		result = ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	return result;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_erase_sector(struct flash_bank *bank, int sector)
-{
-	uint32_t glbctrl, orig_fmregopt, fmbsea, fmbseb, fmmstat;
-	struct target *target = bank->target;
-	uint32_t flashAddr = bank->base + bank->sectors[sector].offset;
-	int result = ERROR_OK;
-
-	/*
-	 * Set the bit GLBCTRL4 of the GLBCTRL register (in the System
-	 * module) to enable writing to the flash registers }.
-	 */
-	target_read_u32(target, 0xFFFFFFDC, &glbctrl);
-	target_write_u32(target, 0xFFFFFFDC, glbctrl | 0x10);
-	LOG_DEBUG("set glbctrl = 0x%08" PRIx32 "", glbctrl | 0x10);
-
-	/* Force normal read mode. */
-	target_read_u32(target, 0xFFE89C00, &orig_fmregopt);
-	target_write_u32(target, 0xFFE89C00, 0);
-	LOG_DEBUG("set fmregopt = 0x%08x", 0);
-
-	(void)tms470_flash_initialize_internal_state_machine(bank);
-
-	/*
-	 * Select one or more bits in FMBSEA or FMBSEB to disable Level 1
-	 * protection for the particular sector to be erased/written.
-	 */
-	if (sector < 16)
-	{
-		target_read_u32(target, 0xFFE88008, &fmbsea);
-		target_write_u32(target, 0xFFE88008, fmbsea | (1 << sector));
-		LOG_DEBUG("set fmbsea = 0x%04" PRIx32 "", fmbsea | (1 << sector));
-	}
-	else
-	{
-		target_read_u32(target, 0xFFE8800C, &fmbseb);
-		target_write_u32(target, 0xFFE8800C, fmbseb | (1 << (sector - 16)));
-		LOG_DEBUG("set fmbseb = 0x%04" PRIx32 "", fmbseb | (1 << (sector - 16)));
-	}
-	bank->sectors[sector].is_protected = 0;
-
-	/*
-	 * clear status regiser, sent erase command, kickoff erase
-	 */
-	target_write_u16(target, flashAddr, 0x0040);
-	LOG_DEBUG("write *(uint16_t *)0x%08" PRIx32 "=0x0040", flashAddr);
-	target_write_u16(target, flashAddr, 0x0020);
-	LOG_DEBUG("write *(uint16_t *)0x%08" PRIx32 "=0x0020", flashAddr);
-	target_write_u16(target, flashAddr, 0xffff);
-	LOG_DEBUG("write *(uint16_t *)0x%08" PRIx32 "=0xffff", flashAddr);
-
-	/*
-	 * Monitor FMMSTAT, busy until clear, then check and other flags for
-	 * ultimate result of the operation.
-	 */
-	do
-	{
-		target_read_u32(target, 0xFFE8BC0C, &fmmstat);
-		if (fmmstat & 0x0100)
-		{
-			alive_sleep(1);
-		}
-	}
-	while (fmmstat & 0x0100);
-
-	result = tms470_flash_status(bank);
-
-	if (sector < 16)
-	{
-		target_write_u32(target, 0xFFE88008, fmbsea);
-		LOG_DEBUG("set fmbsea = 0x%04" PRIx32 "", fmbsea);
-		bank->sectors[sector].is_protected = fmbsea & (1 << sector) ? 0 : 1;
-	}
-	else
-	{
-		target_write_u32(target, 0xFFE8800C, fmbseb);
-		LOG_DEBUG("set fmbseb = 0x%04" PRIx32 "", fmbseb);
-		bank->sectors[sector].is_protected = fmbseb & (1 << (sector - 16)) ? 0 : 1;
-	}
-	target_write_u32(target, 0xFFE89C00, orig_fmregopt);
-	LOG_DEBUG("set fmregopt = 0x%08" PRIx32 "", orig_fmregopt);
-	target_write_u32(target, 0xFFFFFFDC, glbctrl);
-	LOG_DEBUG("set glbctrl = 0x%08" PRIx32 "", glbctrl);
-
-	if (result == ERROR_OK)
-	{
-		bank->sectors[sector].is_erased = 1;
-	}
-
-	return result;
-}
-
-/* ----------------------------------------------------------------------
-              Implementation of Flash Driver Interfaces
-   ---------------------------------------------------------------------- */
-
-static const struct command_registration tms470_any_command_handlers[] = {
-	{
-		.name = "flash_keyset",
-		.handler = &tms470_handle_flash_keyset_command,
-		.mode = COMMAND_ANY,
-		.help = "tms470 flash_keyset <key0> <key1> <key2> <key3>",
-	},
-	{
-		.name = "osc_megahertz",
-		.handler = &tms470_handle_osc_megahertz_command,
-		.mode = COMMAND_ANY,
-		.help = "tms470 osc_megahertz <MHz>",
-	},
-	{
-		.name = "plldis",
-		.handler = &tms470_handle_plldis_command,
-		.mode = COMMAND_ANY,
-		.help = "tms470 plldis <0/1>",
-	},
-	COMMAND_REGISTRATION_DONE
-};
-static const struct command_registration tms470_command_handlers[] = {
-	{
-		.name = "tms470",
-		.mode = COMMAND_ANY,
-		.help = "TI tms470 flash command group",
-		.chain = tms470_any_command_handlers,
-	},
-	COMMAND_REGISTRATION_DONE
-};
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_erase(struct flash_bank *bank, int first, int last)
-{
-	struct tms470_flash_bank *tms470_info = bank->driver_priv;
-	int sector, result = ERROR_OK;
-
-	if (bank->target->state != TARGET_HALTED)
-	{
-		LOG_ERROR("Target not halted");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	tms470_read_part_info(bank);
-
-	if ((first < 0) || (first >= bank->num_sectors) || (last < 0) || (last >= bank->num_sectors) || (first > last))
-	{
-		LOG_ERROR("Sector range %d to %d invalid.", first, last);
-		return ERROR_FLASH_SECTOR_INVALID;
-	}
-
-	result = tms470_unlock_flash(bank);
-	if (result != ERROR_OK)
-	{
-		return result;
-	}
-
-	for (sector = first; sector <= last; sector++)
-	{
-		LOG_INFO("Erasing tms470 bank %d sector %d...", tms470_info->ordinal, sector);
-
-		result = tms470_erase_sector(bank, sector);
-
-		if (result != ERROR_OK)
-		{
-			LOG_ERROR("tms470 could not erase flash sector.");
-			break;
-		}
-		else
-		{
-			LOG_INFO("sector erased successfully.");
-		}
-	}
-
-	return result;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_protect(struct flash_bank *bank, int set, int first, int last)
-{
-	struct tms470_flash_bank *tms470_info = bank->driver_priv;
-	struct target *target = bank->target;
-	uint32_t fmmac2, fmbsea, fmbseb;
-	int sector;
-
-	if (target->state != TARGET_HALTED)
-	{
-		LOG_ERROR("Target not halted");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	tms470_read_part_info(bank);
-
-	if ((first < 0) || (first >= bank->num_sectors) || (last < 0) || (last >= bank->num_sectors) || (first > last))
-	{
-		LOG_ERROR("Sector range %d to %d invalid.", first, last);
-		return ERROR_FLASH_SECTOR_INVALID;
-	}
-
-	/* enable the appropriate bank */
-	target_read_u32(target, 0xFFE8BC04, &fmmac2);
-	target_write_u32(target, 0xFFE8BC04, (fmmac2 & ~7) | tms470_info->ordinal);
-
-	/* get the original sector proection flags for this bank */
-	target_read_u32(target, 0xFFE88008, &fmbsea);
-	target_read_u32(target, 0xFFE8800C, &fmbseb);
-
-	for (sector = 0; sector < bank->num_sectors; sector++)
-	{
-		if (sector < 16)
-		{
-			fmbsea = set ? fmbsea & ~(1 << sector) : fmbsea | (1 << sector);
-			bank->sectors[sector].is_protected = set ? 1 : 0;
-		}
-		else
-		{
-			fmbseb = set ? fmbseb & ~(1 << (sector - 16)) : fmbseb | (1 << (sector - 16));
-			bank->sectors[sector].is_protected = set ? 1 : 0;
-		}
-	}
-
-	/* update the protection bits */
-	target_write_u32(target, 0xFFE88008, fmbsea);
-	target_write_u32(target, 0xFFE8800C, fmbseb);
-
-	return ERROR_OK;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_write(struct flash_bank *bank, uint8_t * buffer, uint32_t offset, uint32_t count)
-{
-	struct target *target = bank->target;
-	uint32_t glbctrl, fmbac2, orig_fmregopt, fmbsea, fmbseb, fmmaxpp, fmmstat;
-	int result = ERROR_OK;
-	uint32_t i;
-
-	if (target->state != TARGET_HALTED)
-	{
-		LOG_ERROR("Target not halted");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	tms470_read_part_info(bank);
-
-	LOG_INFO("Writing %" PRId32 " bytes starting at 0x%08" PRIx32 "", count, bank->base + offset);
-
-	/* set GLBCTRL.4  */
-	target_read_u32(target, 0xFFFFFFDC, &glbctrl);
-	target_write_u32(target, 0xFFFFFFDC, glbctrl | 0x10);
-
-	(void)tms470_flash_initialize_internal_state_machine(bank);
-
-	/* force max wait states */
-	target_read_u32(target, 0xFFE88004, &fmbac2);
-	target_write_u32(target, 0xFFE88004, fmbac2 | 0xff);
-
-	/* save current access mode, force normal read mode */
-	target_read_u32(target, 0xFFE89C00, &orig_fmregopt);
-	target_write_u32(target, 0xFFE89C00, 0x00);
-
-	/*
-	 * Disable Level 1 protection for all sectors to be erased/written.
-	 */
-	target_read_u32(target, 0xFFE88008, &fmbsea);
-	target_write_u32(target, 0xFFE88008, 0xffff);
-	target_read_u32(target, 0xFFE8800C, &fmbseb);
-	target_write_u32(target, 0xFFE8800C, 0xffff);
-
-	/* read MAXPP */
-	target_read_u32(target, 0xFFE8A07C, &fmmaxpp);
-
-	for (i = 0; i < count; i += 2)
-	{
-		uint32_t addr = bank->base + offset + i;
-		uint16_t word = (((uint16_t) buffer[i]) << 8) | (uint16_t) buffer[i + 1];
-
-		if (word != 0xffff)
-		{
-			LOG_INFO("writing 0x%04x at 0x%08" PRIx32 "", word, addr);
-
-			/* clear status register */
-			target_write_u16(target, addr, 0x0040);
-			/* program flash command */
-			target_write_u16(target, addr, 0x0010);
-			/* burn the 16-bit word (big-endian) */
-			target_write_u16(target, addr, word);
-
-			/*
-			 * Monitor FMMSTAT, busy until clear, then check and other flags
-			 * for ultimate result of the operation.
-			 */
-			do
-			{
-				target_read_u32(target, 0xFFE8BC0C, &fmmstat);
-				if (fmmstat & 0x0100)
-				{
-					alive_sleep(1);
-				}
-			}
-			while (fmmstat & 0x0100);
-
-			if (fmmstat & 0x3ff)
-			{
-				LOG_ERROR("fmstat = 0x%04" PRIx32 "", fmmstat);
-				LOG_ERROR("Could not program word 0x%04x at address 0x%08" PRIx32 ".", word, addr);
-				result = ERROR_FLASH_OPERATION_FAILED;
-				break;
-			}
-		}
-		else
-		{
-			LOG_INFO("skipping 0xffff at 0x%08" PRIx32 "", addr);
-		}
-	}
-
-	/* restore */
-	target_write_u32(target, 0xFFE88008, fmbsea);
-	target_write_u32(target, 0xFFE8800C, fmbseb);
-	target_write_u32(target, 0xFFE88004, fmbac2);
-	target_write_u32(target, 0xFFE89C00, orig_fmregopt);
-	target_write_u32(target, 0xFFFFFFDC, glbctrl);
-
-	return result;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_probe(struct flash_bank *bank)
-{
-	if (bank->target->state != TARGET_HALTED)
-	{
-		LOG_WARNING("Cannot communicate... target not halted.");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	return tms470_read_part_info(bank);
-}
-
-static int tms470_auto_probe(struct flash_bank *bank)
-{
-	struct tms470_flash_bank *tms470_info = bank->driver_priv;
-
-	if (tms470_info->device_ident_reg)
-		return ERROR_OK;
-	return tms470_probe(bank);
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_erase_check(struct flash_bank *bank)
-{
-	struct target *target = bank->target;
-	struct tms470_flash_bank *tms470_info = bank->driver_priv;
-	int sector, result = ERROR_OK;
-	uint32_t fmmac2, fmbac2, glbctrl, orig_fmregopt;
-	static uint8_t buffer[64 * 1024];
-
-	if (target->state != TARGET_HALTED)
-	{
-		LOG_ERROR("Target not halted");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	if (!tms470_info->device_ident_reg)
-	{
-		tms470_read_part_info(bank);
-	}
-
-	/* set GLBCTRL.4  */
-	target_read_u32(target, 0xFFFFFFDC, &glbctrl);
-	target_write_u32(target, 0xFFFFFFDC, glbctrl | 0x10);
-
-	/* save current access mode, force normal read mode */
-	target_read_u32(target, 0xFFE89C00, &orig_fmregopt);
-	target_write_u32(target, 0xFFE89C00, 0x00);
-
-	/* enable the appropriate bank */
-	target_read_u32(target, 0xFFE8BC04, &fmmac2);
-	target_write_u32(target, 0xFFE8BC04, (fmmac2 & ~7) | tms470_info->ordinal);
-
-	/* TCR = 0 */
-	target_write_u32(target, 0xFFE8BC10, 0x2fc0);
-
-	/* clear TEZ in fmbrdy */
-	target_write_u32(target, 0xFFE88010, 0x0b);
-
-	/* save current wait states, force max */
-	target_read_u32(target, 0xFFE88004, &fmbac2);
-	target_write_u32(target, 0xFFE88004, fmbac2 | 0xff);
-
-	/*
-	 * The TI primitives inspect the flash memory by reading one 32-bit
-	 * word at a time.  Here we read an entire sector and inspect it in
-	 * an attempt to reduce the JTAG overhead.
-	 */
-	for (sector = 0; sector < bank->num_sectors; sector++)
-	{
-		if (bank->sectors[sector].is_erased != 1)
-		{
-			uint32_t i, addr = bank->base + bank->sectors[sector].offset;
-
-			LOG_INFO("checking flash bank %d sector %d", tms470_info->ordinal, sector);
-
-			target_read_buffer(target, addr, bank->sectors[sector].size, buffer);
-
-			bank->sectors[sector].is_erased = 1;
-			for (i = 0; i < bank->sectors[sector].size; i++)
-			{
-				if (buffer[i] != 0xff)
-				{
-					LOG_WARNING("tms470 bank %d, sector %d, not erased.", tms470_info->ordinal, sector);
-					LOG_WARNING("at location 0x%08" PRIx32 ": flash data is 0x%02x.", addr + i, buffer[i]);
-
-					bank->sectors[sector].is_erased = 0;
-					break;
-				}
-			}
-		}
-		if (bank->sectors[sector].is_erased != 1)
-		{
-			result = ERROR_FLASH_SECTOR_NOT_ERASED;
-			break;
-		}
-		else
-		{
-			LOG_INFO("sector erased");
-		}
-	}
-
-	/* reset TEZ, wait states, read mode, GLBCTRL.4 */
-	target_write_u32(target, 0xFFE88010, 0x0f);
-	target_write_u32(target, 0xFFE88004, fmbac2);
-	target_write_u32(target, 0xFFE89C00, orig_fmregopt);
-	target_write_u32(target, 0xFFFFFFDC, glbctrl);
-
-	return result;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_protect_check(struct flash_bank *bank)
-{
-	struct target *target = bank->target;
-	struct tms470_flash_bank *tms470_info = bank->driver_priv;
-	int sector, result = ERROR_OK;
-	uint32_t fmmac2, fmbsea, fmbseb;
-
-	if (target->state != TARGET_HALTED)
-	{
-		LOG_ERROR("Target not halted");
-		return ERROR_TARGET_NOT_HALTED;
-	}
-
-	if (!tms470_info->device_ident_reg)
-	{
-		tms470_read_part_info(bank);
-	}
-
-	/* enable the appropriate bank */
-	target_read_u32(target, 0xFFE8BC04, &fmmac2);
-	target_write_u32(target, 0xFFE8BC04, (fmmac2 & ~7) | tms470_info->ordinal);
-
-	target_read_u32(target, 0xFFE88008, &fmbsea);
-	target_read_u32(target, 0xFFE8800C, &fmbseb);
-
-	for (sector = 0; sector < bank->num_sectors; sector++)
-	{
-		int protected;
-
-		if (sector < 16)
-		{
-			protected = fmbsea & (1 << sector) ? 0 : 1;
-			bank->sectors[sector].is_protected = protected;
-		}
-		else
-		{
-			protected = fmbseb & (1 << (sector - 16)) ? 0 : 1;
-			bank->sectors[sector].is_protected = protected;
-		}
-
-		LOG_DEBUG("bank %d sector %d is %s", tms470_info->ordinal, sector, protected ? "protected" : "not protected");
-	}
-
-	return result;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int tms470_info(struct flash_bank *bank, char *buf, int buf_size)
-{
-	int used = 0;
-	struct tms470_flash_bank *tms470_info = bank->driver_priv;
-
-	if (!tms470_info->device_ident_reg)
-	{
-		tms470_read_part_info(bank);
-	}
-
-	if (!tms470_info->device_ident_reg)
-	{
-		(void)snprintf(buf, buf_size, "Cannot identify target as a TMS470\n");
-		return ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	used += snprintf(buf, buf_size, "\ntms470 information: Chip is %s\n", tms470_info->part_name);
-	buf += used;
-	buf_size -= used;
-
-	used += snprintf(buf, buf_size, "Flash protection level 2 is %s\n", tms470_check_flash_unlocked(bank->target) == ERROR_OK ? "disabled" : "enabled");
-	buf += used;
-	buf_size -= used;
-
-	return ERROR_OK;
-}
-
-/* ---------------------------------------------------------------------- */
-
-/*
- * flash bank tms470 <base> <size> <chip_width> <bus_width> <target>
- * [options...]
- */
-
-FLASH_BANK_COMMAND_HANDLER(tms470_flash_bank_command)
-{
-	bank->driver_priv = malloc(sizeof(struct tms470_flash_bank));
-
-	if (!bank->driver_priv)
-	{
-		return ERROR_FLASH_OPERATION_FAILED;
-	}
-
-	(void)memset(bank->driver_priv, 0, sizeof(struct tms470_flash_bank));
-
-	return ERROR_OK;
-}
-
-struct flash_driver tms470_flash = {
-		.name = "tms470",
-		.commands = tms470_command_handlers,
-		.flash_bank_command = &tms470_flash_bank_command,
-		.erase = &tms470_erase,
-		.protect = &tms470_protect,
-		.write = &tms470_write,
-		.probe = &tms470_probe,
-		.auto_probe = &tms470_auto_probe,
-		.erase_check = &tms470_erase_check,
-		.protect_check = &tms470_protect_check,
-		.info = &tms470_info,
-	};