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Support new configuration of TRAB board with more memory

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Minor cleanup of comments
This commit is contained in:
wdenk 2003-09-17 22:48:07 +00:00
parent f54ebdfa28
commit b0639ca332
15 changed files with 206 additions and 78 deletions
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3
CHANGELOG
View File

@ -2,7 +2,8 @@
Changes for U-Boot 1.0.0:
======================================================================
* Add auto-update code for TRAB board using USB memory sticks
* Add auto-update code for TRAB board using USB memory sticks,
support new configuration with more memory
* disable MPC5200 bus pipelining as workaround for bus contention

16
Makefile
View File

@ -796,7 +796,7 @@ shannon_config : unconfig
## ARM92xT Systems
#########################################################################
xtract_trab = $(subst _old,,$(subst _config,,$1))
xtract_trab = $(subst _bigram,,$(subst _bigflash,,$(subst _old,,$(subst _config,,$1))))
omap1510inn_config : unconfig
@./mkconfig $(@:_config=) arm arm925t omap1510inn
@ -811,11 +811,23 @@ smdk2410_config : unconfig
@./mkconfig $(@:_config=) arm arm920t smdk2410
trab_config \
trab_bigram_config \
trab_bigflash_config \
trab_old_config: unconfig
@ >include/config.h
@[ -z "$(findstring _bigram,$@)" ] || \
{ echo "#define CONFIG_FLASH_8MB" >>include/config.h ; \
echo "... with 8 MB Flash, 32 MB RAM" ; \
}
@[ -z "$(findstring _bigflash,$@)" ] || \
{ echo "#define CONFIG_RAM_16MB" >>include/config.h ; \
echo "... with 16 MB Flash, 16 MB RAM" ; \
echo "TEXT_BASE = 0x0CF00000" >board/trab/config.tmp ; \
}
@[ -z "$(findstring _old,$@)" ] || \
{ echo "#define CONFIG_OLD_VERSION" >>include/config.h ; \
echo "... with small memory configuration" ; \
echo "TEXT_BASE = 0x0CF00000" >board/trab/config.tmp ; \
}
@./mkconfig -a $(call xtract_trab,$@) arm arm920t trab
@ -921,7 +933,7 @@ clean:
rm -f tools/gdb/astest tools/gdb/gdbcont tools/gdb/gdbsend
rm -f tools/env/fw_printenv tools/env/fw_setenv
rm -f board/cray/L1/bootscript.c board/cray/L1/bootscript.image
rm -f board/trab/trab_fkt
rm -f board/trab/trab_fkt board/trab/config.tmp
clobber: clean
find . -type f \

194
board/trab/auto_update.c
View File

@ -53,20 +53,20 @@
/*
* Check whether a USB memory stick is plugged in.
* If one is found:
* 1) try to do an MSDOS ls
* 2) if preinst.img is found and is not 0 length, load it into
* memory and run it (how to check beforehand if it's a
* valid HUSH command file?)
* 3)
* 4)
* 5)
* 6)
* 7)
* 8)
* 9)
* 10)
* 11)
* 12)
* 1) if prepare.img ist found load it into memory. If it is
* valid then run it.
* 2) if preinst.img is found load it into memory. If it is
* valid then run it. Update the EEPROM.
* 3) if firmware.img is found load it into memory. If it is valid,
* burn it into FLASH and update the EEPROM.
* 4) if kernel.img is found load it into memory. If it is valid,
* burn it into FLASH and update the EEPROM.
* 5) if app.img is found load it into memory. If it is valid,
* burn it into FLASH and update the EEPROM.
* 6) if disk.img is found load it into memory. If it is valid,
* burn it into FLASH and update the EEPROM.
* 7) if postinst.img is found load it into memory. If it is
* valid then run it. Update the EEPROM.
*/
#undef AU_DEBUG
@ -87,8 +87,14 @@
#define AU_DISK "disk.img"
#define AU_POSTINST "postinst.img"
struct flash_layout
{
long start;
long end;
};
/* layout of the FLASH. ST = start address, ND = end address. */
#ifndef CONFIG_OLD_VERSION /* 16 MB Flash, 32 MB RAM */
#ifndef CONFIG_FLASH_8MB /* 16 MB Flash, 32 MB RAM */
#define AU_FL_FIRMWARE_ST 0x00000000
#define AU_FL_FIRMWARE_ND 0x0009FFFF
#define AU_FL_VFD_ST 0x000A0000
@ -110,14 +116,14 @@
#define AU_FL_DISK_ND 0x007DFFFF
#define AU_FL_VFD_ST 0x007E0000
#define AU_FL_VFD_ND 0x007FFFFF
#endif /* CONFIG_OLD_VERSION */
#endif /* CONFIG_FLASH_8MB */
/* a structure with the offsets to values in the EEPROM */
struct eeprom_layout
{
unsigned int time;
unsigned int size;
unsigned int dcrc;
int time;
int size;
int dcrc;
};
/* layout of the EEPROM - offset from the start. All entries are 32 bit. */
@ -141,6 +147,15 @@ struct eeprom_layout
#define AU_EEPROM_DCRC_POSTINST 132
static int au_usb_stor_curr_dev; /* current device */
/* index of each file in the following arrays */
#define IDX_PREPARE 0
#define IDX_PREINST 1
#define IDX_FIRMWARE 2
#define IDX_KERNEL 3
#define IDX_APP 4
#define IDX_DISK 5
#define IDX_POSTINST 6
/* max. number of files which could interest us */
#define AU_MAXFILES 7
/* pointers to file names */
@ -157,16 +172,20 @@ struct eeprom_layout auee_off[AU_MAXFILES] = { \
{AU_EEPROM_TIME_DISK, AU_EEPROM_SIZE_DISK, AU_EEPROM_DCRC_DISK,}, \
{AU_EEPROM_TIME_POSTINST, AU_EEPROM_SIZE_POSTINST, AU_EEPROM_DCRC_POSTINST,} \
};
/* index of each file in the above array */
#define IDX_PREPARE 0
#define IDX_PREINST 1
#define IDX_FIRMWARE 2
#define IDX_KERNEL 3
#define IDX_APP 4
#define IDX_DISK 5
#define IDX_POSTINST 6
/* array of flash areas start and end addresses */
struct flash_layout aufl_layout[AU_MAXFILES - 3] = { \
{AU_FL_FIRMWARE_ST, AU_FL_FIRMWARE_ND,}, \
{AU_FL_KERNEL_ST, AU_FL_KERNEL_ND,}, \
{AU_FL_APP_ST, AU_FL_APP_ND,}, \
{AU_FL_DISK_ST, AU_FL_DISK_ND,}, \
};
/* convert the index into aufile[] to an index into aufl_layout[] */
#define FIDX_TO_LIDX(idx) ((idx) - 2)
/* where to load files into memory */
#define LOAD_ADDR ((unsigned char *)0x0c100000)
#define LOAD_ADDR ((unsigned char *)0x0C100100)
/* where to build strings in memory - 256 bytes should be enough */
#define STRING_ADDR ((char *)0x0C100000)
/* the disk is the largest image */
#define MAX_LOADSZ ausize[IDX_DISK]
@ -180,9 +199,9 @@ extern int i2c_write (uchar, uint, int , uchar* , int);
extern int trab_vfd (ulong);
extern int transfer_pic(unsigned char, unsigned char *, int, int);
#endif
extern int i2c_write_multiple (uchar, uint, int, uchar *, int);
extern int i2c_read_multiple (uchar, uint, int, uchar *, int);
/* change char* to void* to shutup the compiler */
extern int i2c_write_multiple (uchar, uint, int, void *, int);
extern int i2c_read_multiple (uchar, uint, int, void *, int);
int
au_check_valid(int idx, long nbytes)
@ -193,6 +212,7 @@ au_check_valid(int idx, long nbytes)
hdr = (image_header_t *)LOAD_ADDR;
/* check the easy ones first */
#undef CHECK_VALID_DEBUG
#ifdef CHECK_VALID_DEBUG
printf("magic %#x %#x ", ntohl(hdr->ih_magic), IH_MAGIC);
printf("arch %#x %#x ", hdr->ih_arch, IH_CPU_ARM);
@ -202,7 +222,7 @@ au_check_valid(int idx, long nbytes)
if (ntohl(hdr->ih_magic) != IH_MAGIC ||
hdr->ih_arch != IH_CPU_ARM ||
nbytes < ntohl(hdr->ih_size)) {
printf ("Image %s Bad MAGIC or ARCH or SIZE\n", aufile[idx]);
printf ("Image %s bad MAGIC or ARCH or SIZE\n", aufile[idx]);
return -1;
}
/* check the hdr CRC */
@ -210,7 +230,7 @@ au_check_valid(int idx, long nbytes)
hdr->ih_hcrc = 0;
if (crc32 (0, (char *)hdr, sizeof(*hdr)) != checksum) {
printf ("Image %s Bad Header Checksum\n", aufile[idx]);
printf ("Image %s bad header checksum\n", aufile[idx]);
return -1;
}
/* check the data CRC */
@ -219,28 +239,28 @@ au_check_valid(int idx, long nbytes)
if (crc32 (0, (char *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
!= checksum)
{
printf ("Image %s Bad Data Checksum\n", aufile[idx]);
printf ("Image %s bad data checksum\n", aufile[idx]);
return -1;
}
/* check the type - could do this all in one gigantic if() */
if ((idx == IDX_FIRMWARE) && (hdr->ih_type != IH_TYPE_FIRMWARE)) {
printf ("Image %s Wrong Type\n", aufile[idx]);
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
if ((idx == IDX_KERNEL) && (hdr->ih_type != IH_TYPE_KERNEL)) {
printf ("Image %s Wrong Type\n", aufile[idx]);
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
if ((idx == IDX_DISK || idx == IDX_APP)
&& (hdr->ih_type != IH_TYPE_RAMDISK))
{
printf ("Image %s Wrong Type\n", aufile[idx]);
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
if ((idx == IDX_PREPARE || idx == IDX_PREINST || idx == IDX_POSTINST)
&& (hdr->ih_type != IH_TYPE_SCRIPT))
{
printf ("Image %s Wrong Type\n", aufile[idx]);
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
/* special case for prepare.img */
@ -272,14 +292,20 @@ buf[0], buf[1], buf[2], buf[3], *((unsigned int *)buf), ntohl(hdr->ih_time));
#define POWER_OFF (1 << 1)
int
au_do_update(int idx)
au_do_update(int idx, long sz)
{
image_header_t *hdr;
char *addr;
long start, end;
char *strbuf = STRING_ADDR;
int off;
uint nbytes;
hdr = (image_header_t *)LOAD_ADDR;
/* disable the power switch */
*CPLD_VFD_BK |= POWER_OFF;
/* execute a script */
if (hdr->ih_type == IH_TYPE_SCRIPT) {
addr = (char *)((char *)hdr + sizeof(*hdr) + 8);
@ -287,6 +313,68 @@ au_do_update(int idx)
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
return 0;
}
start = aufl_layout[FIDX_TO_LIDX(idx)].start;
end = aufl_layout[FIDX_TO_LIDX(idx)].end;
/* unprotect the address range */
/* this assumes that ONLY the firmware is protected! */
if (idx == IDX_FIRMWARE) {
#undef AU_UPDATE_TEST
#ifdef AU_UPDATE_TEST
/* erase it where Linux goes */
start = aufl_layout[1].start;
end = aufl_layout[1].end;
#endif
debug ("protect off %lx %lx\n", start, end);
sprintf(strbuf, "protect off %lx %lx\n", start, end);
parse_string_outer(strbuf,
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
}
/* erase the address range */
debug ("erase %lx %lx\n", start, end);
sprintf(strbuf, "erase %lx %lx\n", start, end);
parse_string_outer(strbuf,
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
/* strip the header - except for the kernel */
if (idx == IDX_FIRMWARE || idx == IDX_DISK || idx == IDX_APP) {
addr = (char *)((char *)hdr + sizeof(*hdr));
#ifdef AU_UPDATE_TEST
/* copy it to where Linux goes */
if (idx == IDX_FIRMWARE)
start = aufl_layout[1].start;
#endif
off = 0;
nbytes = ntohl(hdr->ih_size);
} else {
addr = (char *)hdr;
off = sizeof(*hdr);
nbytes = sizeof(*hdr) + ntohl(hdr->ih_size);
}
/* copy the data from RAM to FLASH */
debug ("cp.b %p %lx %x\n", addr, start, nbytes);
sprintf(strbuf, "cp.b %p %lx %x\n", addr, start, nbytes);
parse_string_outer(strbuf,
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
/* check the dcrc of the copy */
if (crc32 (0, (char *)(start + off), ntohl(hdr->ih_size))
!= ntohl(hdr->ih_dcrc)) {
printf ("Image %s Bad Data Checksum After COPY\n", aufile[idx]);
return -1;
}
/* protect the address range */
/* this assumes that ONLY the firmware is protected! */
if (idx == IDX_FIRMWARE) {
printf("protect on %lx %lx\n", start, end);
sprintf(strbuf, "protect on %lx %lx\n", start, end);
parse_string_outer(strbuf,
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
}
return 0;
}
@ -294,8 +382,22 @@ int
au_update_eeprom(int idx)
{
image_header_t *hdr;
int off;
uint32_t val;
hdr = (image_header_t *)LOAD_ADDR;
/* write the time field into EEPROM */
off = auee_off[idx].time;
val = ntohl(hdr->ih_time);
i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
/* write the size field into EEPROM */
off = auee_off[idx].size;
val = ntohl(hdr->ih_size);
i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
/* write the dcrc field into EEPROM */
off = auee_off[idx].dcrc;
val = ntohl(hdr->ih_dcrc);
i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
/* enable the power switch */
*CPLD_VFD_BK &= ~POWER_OFF;
return 0;
@ -311,9 +413,10 @@ do_auto_update(void)
{
block_dev_desc_t *stor_dev;
long sz;
int i, res, bitmap_first;
int i, res, bitmap_first, cnt;
char *env;
#undef ERASE_EEPROM
#ifdef ERASE_EEPROM
int arr[18];
memset(arr, 0, sizeof(arr));
@ -352,6 +455,7 @@ do_auto_update(void)
if (file_fat_detectfs() != 0) {
debug ("file_fat_detectfs failed\n");
}
/* initialize the array of file names */
memset(aufile, 0, sizeof(aufile));
aufile[IDX_PREPARE] = AU_PREPARE;
@ -404,11 +508,19 @@ do_auto_update(void)
#endif
/* this is really not a good idea, but it's what the */
/* customer wants. */
cnt = 0;
do {
res = au_do_update(i);
res = au_do_update(i, sz);
#ifdef AU_TEST_ONLY
cnt++;
} while (res < 0 && cnt < 3);
if (cnt < 3)
#else
} while (res < 0);
#endif
au_update_eeprom(i);
}
usb_stop();
return 0;
}
#endif /* CONFIG_AUTO_UPDATE */

11
board/trab/config.mk
View File

@ -8,16 +8,19 @@
#
#
# TRAB has 1 bank of 16 MB DRAM
# TRAB has 1 bank of 16 MB or 32 MB DRAM
#
# 0c00'0000 to 0e00'0000
#
# Linux-Kernel is expected to be at 0c00'8000, entry 0c00'8000
#
# we load ourself to 0cf0'0000
# we load ourself to 0CF0'0000 / 0DF0'0000
#
# download areas is 0c80'0000
# download areas is 0C80'0000
#
sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
TEXT_BASE = 0x0cf00000
ifndef TEXT_BASE
TEXT_BASE = 0x0DF00000
endif

18
board/trab/memsetup.S
View File

@ -5,7 +5,7 @@
* Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
*
* Modified for the TRAB board by
* (C) Copyright 2002
* (C) Copyright 2002-2003
* Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
*
* See file CREDITS for list of people who contributed to this
@ -101,6 +101,17 @@
#define B5_Tacp 0x0
#define B5_PMC 0x0 /* normal */
#ifndef CONFIG_RAM_16MB /* 32 MB RAM */
/* Bank6 */
#define B6_MT 0x3 /* SDRAM */
#define B6_Trcd 0x1 /* 3clk */
#define B6_SCAN 0x1 /* 9 bit */
/* Bank7 */
#define B7_MT 0x3 /* SDRAM */
#define B7_Trcd 0x1 /* 3clk */
#define B7_SCAN 0x1 /* 9 bit */
#else /* CONFIG_RAM_16MB = 16 MB RAM */
/* Bank6 */
#define B6_MT 0x3 /* SDRAM */
#define B6_Trcd 0x1 /* 2clk */
@ -110,6 +121,7 @@
#define B7_MT 0x3 /* SDRAM */
#define B7_Trcd 0x1 /* 2clk */
#define B7_SCAN 0x0 /* 8 bit */
#endif /* CONFIG_RAM_16MB */
/* refresh parameter */
#define REFEN 0x1 /* enable refresh */
@ -161,6 +173,10 @@ SMRDATA:
.word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN)) /* GCS6 */
.word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN)) /* GCS7 */
.word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
#ifndef CONFIG_RAM_16MB /* 32 MB RAM */
.word 0x10 /* BUSWIDTH=32, SCLK power saving mode, BANKSIZE 32M/32M */
#else /* CONFIG_RAM_16MB = 16 MB RAM */
.word 0x17 /* BUSWIDTH=32, SCLK power saving mode, BANKSIZE 16M/16M */
#endif /* CONFIG_RAM_16MB */
.word 0x30 /* MRSR6, CL=3clk */
.word 0x30 /* MRSR7 */

3
cpu/arm720t/start.S
View File

@ -71,9 +71,6 @@ _fiq: .word fiq
*************************************************************************
*/
/*
* CFG_MEM_END is in the board dependent config-file (configs/config_BOARD.h)
*/
_TEXT_BASE:
.word TEXT_BASE

3
cpu/arm920t/start.S
View File

@ -72,9 +72,6 @@ _fiq: .word fiq
*************************************************************************
*/
/*
* CFG_MEM_END is in the board dependent config-file (configs/config_BOARD.h)
*/
_TEXT_BASE:
.word TEXT_BASE

2
cpu/arm920t/usb_ohci.c
View File

@ -1199,7 +1199,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
/* ohci_dump_status(&gohci); */
/* allow more time for a BULK device to react - some are slow */
#define BULK_TO 2000 /* timeout in milliseconds */
#define BULK_TO 5000 /* timeout in milliseconds */
if (usb_pipetype (pipe) == PIPE_BULK)
timeout = BULK_TO;
else

3
cpu/arm925t/start.S
View File

@ -81,9 +81,6 @@ _fiq: .word fiq
*************************************************************************
*/
/*
* CFG_MEM_END is in the board dependent config-file (configs/config_BOARD.h)
*/
_TEXT_BASE:
.word TEXT_BASE

3
cpu/arm926ejs/start.S
View File

@ -90,9 +90,6 @@ _fiq:
*************************************************************************
*/
/*
* CFG_MEM_END is in the board dependent config-file (configs/config_BOARD.h)
*/
_TEXT_BASE:
.word TEXT_BASE

3
cpu/at91rm9200/start.S
View File

@ -71,9 +71,6 @@ _fiq: .word fiq
*************************************************************************
*/
/*
* CFG_MEM_END is in the board dependent config-file (configs/config_BOARD.h)
*/
_TEXT_BASE:
.word TEXT_BASE

3
cpu/pxa/start.S
View File

@ -61,9 +61,6 @@ _fiq: .word fiq
* - jump to second stage
*/
/*
* CFG_MEM_END is in the board dependent config-file (configs/config_BOARD.h)
*/
_TEXT_BASE:
.word TEXT_BASE

3
cpu/sa1100/start.S
View File

@ -73,9 +73,6 @@ _fiq: .word fiq
*************************************************************************
*/
/*
* CFG_MEM_END is in the board dependent config-file (configs/config_BOARD.h)
*/
_TEXT_BASE:
.word TEXT_BASE

17
include/configs/trab.h
View File

@ -26,6 +26,11 @@
#ifndef __CONFIG_H
#define __CONFIG_H
#ifdef CONFIG_OLD_VERSION /* Old configuration: */
#define CONFIG_RAM_16MB /* 16 MB SDRAM */
#define CONFIG_FLASH_8MB /* 8 MB Flash */
#endif
/*
* If we are developing, we might want to start armboot from ram
* so we MUST NOT initialize critical regs like mem-timing ...
@ -179,7 +184,7 @@
#define CONFIG_SERVERIP 192.168.3.1
#define CONFIG_BOOTCOMMAND "run flash_nfs"
#ifndef CONFIG_OLD_VERSION /* current config: 16 MB flash, 32 MB RAM */
#ifndef CONFIG_FLASH_8MB /* current config: 16 MB flash */
#ifdef CFG_HUSH_PARSER
#define CONFIG_EXTRA_ENV_SETTINGS \
"nfs_args=setenv bootargs root=/dev/nfs rw " \
@ -225,7 +230,7 @@
"mdm_init2=ATS0=1\0" \
"mdm_flow_control=rts/cts\0"
#endif /* CFG_HUSH_PARSER */
#else /* CONFIG_OLD_VERSION => 8 MB flash, 16 MB RAM */
#else /* CONFIG_FLASH_8MB => 8 MB flash */
#ifdef CFG_HUSH_PARSER
#define CONFIG_EXTRA_ENV_SETTINGS \
"nfs_args=setenv bootargs root=/dev/nfs rw " \
@ -273,7 +278,7 @@
"mdm_init2=ATS0=1\0" \
"mdm_flow_control=rts/cts\0"
#endif /* CFG_HUSH_PARSER */
#endif /* CONFIG_OLD_VERSION */
#endif /* CONFIG_FLASH_8MB */
#if 0 /* disabled for development */
#define CONFIG_AUTOBOOT_KEYED /* Enable password protection */
@ -346,7 +351,7 @@
*/
#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
#define PHYS_SDRAM_1 0x0C000000 /* SDRAM Bank #1 */
#ifndef CONFIG_OLD_VERSION
#ifndef CONFIG_RAM_16MB
#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
#else
#define PHYS_SDRAM_1_SIZE 0x01000000 /* 16 MB */
@ -362,7 +367,7 @@
* FLASH and environment organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#ifndef CONFIG_OLD_VERSION
#ifndef CONFIG_FLASH_8MB
#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
#else
#define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
@ -375,7 +380,7 @@
#define CFG_ENV_IS_IN_FLASH 1
/* Address and size of Primary Environment Sector */
#ifndef CONFIG_OLD_VERSION
#ifndef CONFIG_FLASH_8MB
#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x60000)
#define CFG_ENV_SIZE 0x4000
#define CFG_ENV_SECT_SIZE 0x20000

2
lib_arm/board.c
View File

@ -157,7 +157,7 @@ static void display_flash_config (ulong size)
/*
* Breath some life into the board...
*
* Initialize an SMC for serial comms, and carry out some hardware
* Initialize a serial port as console, and carry out some hardware
* tests.
*
* The first part of initialization is running from Flash memory;