Add auto-update code for TRAB board using USB memory sticks
diff --git a/board/trab/Makefile b/board/trab/Makefile
index f376771..4e6e9d6 100644
--- a/board/trab/Makefile
+++ b/board/trab/Makefile
@@ -25,7 +25,7 @@
LIB = lib$(BOARD).a
-OBJS := trab.o flash.o vfd.o cmd_trab.o memory.o tsc2000.o
+OBJS := trab.o flash.o vfd.o cmd_trab.o memory.o tsc2000.o auto_update.o
SOBJS := memsetup.o
gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
diff --git a/board/trab/auto_update.c b/board/trab/auto_update.c
new file mode 100644
index 0000000..5911185
--- /dev/null
+++ b/board/trab/auto_update.c
@@ -0,0 +1,414 @@
+/*
+ * (C) Copyright 2003
+ * Gary Jennejohn, DENX Software Engineering, gj@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <image.h>
+#include <asm/byteorder.h>
+#include <usb.h>
+
+#ifdef CFG_HUSH_PARSER
+#include <hush.h>
+#endif
+
+#ifdef CONFIG_AUTO_UPDATE
+
+#ifndef CONFIG_USB_OHCI
+#error "must define CONFIG_USB_OHCI"
+#endif
+
+#ifndef CONFIG_USB_STORAGE
+#error "must define CONFIG_USB_STORAGE"
+#endif
+
+#ifndef CFG_HUSH_PARSER
+#error "must define CFG_HUSH_PARSER"
+#endif
+
+#if !(CONFIG_COMMANDS & CFG_CMD_FAT)
+#error "must define CFG_CMD_FAT"
+#endif
+
+/*
+ * 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)
+ */
+
+#undef AU_DEBUG
+
+#undef debug
+#ifdef AU_DEBUG
+#define debug(fmt,args...) printf (fmt ,##args)
+#else
+#define debug(fmt,args...)
+#endif /* AU_DEBUG */
+
+/* possible names of files on the USB stick. */
+#define AU_PREPARE "prepare.img"
+#define AU_PREINST "preinst.img"
+#define AU_FIRMWARE "firmware.img"
+#define AU_KERNEL "kernel.img"
+#define AU_APP "app.img"
+#define AU_DISK "disk.img"
+#define AU_POSTINST "postinst.img"
+
+/* layout of the FLASH. ST = start address, ND = end address. */
+#ifndef CONFIG_OLD_VERSION /* 16 MB Flash, 32 MB RAM */
+#define AU_FL_FIRMWARE_ST 0x00000000
+#define AU_FL_FIRMWARE_ND 0x0009FFFF
+#define AU_FL_VFD_ST 0x000A0000
+#define AU_FL_VFD_ND 0x000BFFFF
+#define AU_FL_KERNEL_ST 0x000C0000
+#define AU_FL_KERNEL_ND 0x001BFFFF
+#define AU_FL_APP_ST 0x001C0000
+#define AU_FL_APP_ND 0x005BFFFF
+#define AU_FL_DISK_ST 0x005C0000
+#define AU_FL_DISK_ND 0x00FFFFFF
+#else /* 8 MB Flash, 16 MB RAM */
+#define AU_FL_FIRMWARE_ST 0x00000000
+#define AU_FL_FIRMWARE_ND 0x0003FFFF
+#define AU_FL_KERNEL_ST 0x00040000
+#define AU_FL_KERNEL_ND 0x0011FFFF
+#define AU_FL_APP_ST 0x00120000
+#define AU_FL_APP_ND 0x003FFFFF
+#define AU_FL_DISK_ST 0x00400000
+#define AU_FL_DISK_ND 0x007DFFFF
+#define AU_FL_VFD_ST 0x007E0000
+#define AU_FL_VFD_ND 0x007FFFFF
+#endif /* CONFIG_OLD_VERSION */
+
+/* a structure with the offsets to values in the EEPROM */
+struct eeprom_layout
+{
+ unsigned int time;
+ unsigned int size;
+ unsigned int dcrc;
+};
+
+/* layout of the EEPROM - offset from the start. All entries are 32 bit. */
+#define AU_EEPROM_TIME_PREINST 64
+#define AU_EEPROM_SIZE_PREINST 68
+#define AU_EEPROM_DCRC_PREINST 72
+#define AU_EEPROM_TIME_FIRMWARE 76
+#define AU_EEPROM_SIZE_FIRMWARE 80
+#define AU_EEPROM_DCRC_FIRMWARE 84
+#define AU_EEPROM_TIME_KERNEL 88
+#define AU_EEPROM_SIZE_KERNEL 92
+#define AU_EEPROM_DCRC_KERNEL 96
+#define AU_EEPROM_TIME_APP 100
+#define AU_EEPROM_SIZE_APP 104
+#define AU_EEPROM_DCRC_APP 108
+#define AU_EEPROM_TIME_DISK 112
+#define AU_EEPROM_SIZE_DISK 116
+#define AU_EEPROM_DCRC_DISK 120
+#define AU_EEPROM_TIME_POSTINST 124
+#define AU_EEPROM_SIZE_POSTINST 128
+#define AU_EEPROM_DCRC_POSTINST 132
+
+static int au_usb_stor_curr_dev; /* current device */
+/* max. number of files which could interest us */
+#define AU_MAXFILES 7
+/* pointers to file names */
+char *aufile[AU_MAXFILES];
+/* sizes of flash areas for each file */
+long ausize[AU_MAXFILES];
+/* offsets into the EEEPROM */
+struct eeprom_layout auee_off[AU_MAXFILES] = { \
+ {0}, \
+ {AU_EEPROM_TIME_PREINST, AU_EEPROM_SIZE_PREINST, AU_EEPROM_DCRC_PREINST,}, \
+ {AU_EEPROM_TIME_FIRMWARE, AU_EEPROM_SIZE_FIRMWARE, AU_EEPROM_DCRC_FIRMWARE,}, \
+ {AU_EEPROM_TIME_KERNEL, AU_EEPROM_SIZE_KERNEL, AU_EEPROM_DCRC_KERNEL,}, \
+ {AU_EEPROM_TIME_APP, AU_EEPROM_SIZE_APP, AU_EEPROM_DCRC_APP,}, \
+ {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
+/* where to load files into memory */
+#define LOAD_ADDR ((unsigned char *)0x0c100000)
+/* the disk is the largest image */
+#define MAX_LOADSZ ausize[IDX_DISK]
+
+/* externals */
+extern int fat_register_device(block_dev_desc_t *, int);
+extern int file_fat_detectfs(void);
+extern long file_fat_read(const char *, void *, unsigned long);
+extern int i2c_read (unsigned char, unsigned int, int , unsigned char* , int);
+extern int i2c_write (uchar, uint, int , uchar* , int);
+#ifdef CONFIG_VFD
+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);
+
+
+int
+au_check_valid(int idx, long nbytes)
+{
+ image_header_t *hdr;
+ unsigned long checksum;
+ unsigned char buf[4];
+
+ hdr = (image_header_t *)LOAD_ADDR;
+ /* check the easy ones first */
+#ifdef CHECK_VALID_DEBUG
+ printf("magic %#x %#x ", ntohl(hdr->ih_magic), IH_MAGIC);
+ printf("arch %#x %#x ", hdr->ih_arch, IH_CPU_ARM);
+ printf("size %#x %#lx ", ntohl(hdr->ih_size), nbytes);
+ printf("type %#x %#x ", hdr->ih_type, IH_TYPE_KERNEL);
+#endif
+ 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]);
+ return -1;
+ }
+ /* check the hdr CRC */
+ checksum = ntohl(hdr->ih_hcrc);
+ hdr->ih_hcrc = 0;
+
+ if (crc32 (0, (char *)hdr, sizeof(*hdr)) != checksum) {
+ printf ("Image %s Bad Header Checksum\n", aufile[idx]);
+ return -1;
+ }
+ /* check the data CRC */
+ checksum = ntohl(hdr->ih_dcrc);
+
+ if (crc32 (0, (char *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
+ != checksum)
+ {
+ 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]);
+ return -1;
+ }
+ if ((idx == IDX_KERNEL) && (hdr->ih_type != IH_TYPE_KERNEL)) {
+ 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]);
+ 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]);
+ return -1;
+ }
+ /* special case for prepare.img */
+ if (idx == IDX_PREPARE)
+ return 0;
+ /* check the size does not exceed space in flash */
+ if ((ausize[idx] != 0) && (ausize[idx] < ntohl(hdr->ih_size))) {
+ printf ("Image %s is bigger than FLASH\n", aufile[idx]);
+ return -1;
+ }
+ /* check the time stamp from the EEPROM */
+ /* read it in */
+ i2c_read_multiple(0x54, auee_off[idx].time, 1, buf, sizeof(buf));
+#ifdef CHECK_VALID_DEBUG
+printf("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x as int %#x time %#x\n",
+buf[0], buf[1], buf[2], buf[3], *((unsigned int *)buf), ntohl(hdr->ih_time));
+#endif
+ /* check it */
+ if (*((unsigned int *)buf) >= ntohl(hdr->ih_time)) {
+ printf ("Image %s is too old\n", aufile[idx]);
+ return -1;
+ }
+
+ return 0;
+}
+
+/* power control defines */
+#define CPLD_VFD_BK ((volatile char *)0x04038002)
+#define POWER_OFF (1 << 1)
+
+int
+au_do_update(int idx)
+{
+ image_header_t *hdr;
+ char *addr;
+
+ 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);
+ parse_string_outer(addr,
+ FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP);
+ return 0;
+ }
+ return 0;
+}
+
+int
+au_update_eeprom(int idx)
+{
+ image_header_t *hdr;
+
+ hdr = (image_header_t *)LOAD_ADDR;
+ /* enable the power switch */
+ *CPLD_VFD_BK &= ~POWER_OFF;
+ return 0;
+}
+
+/*
+ * this is called from board_init() after the hardware has been set up
+ * and is usable. That seems like a good time to do this.
+ * Right now the return value is ignored.
+ */
+int
+do_auto_update(void)
+{
+ block_dev_desc_t *stor_dev;
+ long sz;
+ int i, res, bitmap_first;
+ char *env;
+
+#ifdef ERASE_EEPROM
+ int arr[18];
+ memset(arr, 0, sizeof(arr));
+ i2c_write_multiple(0x54, 64, 1, arr, sizeof(arr));
+#endif
+ au_usb_stor_curr_dev = -1;
+ /* start USB */
+ if (usb_stop() < 0) {
+ debug ("usb_stop failed\n");
+ return -1;
+ }
+ if (usb_init() < 0) {
+ debug ("usb_init failed\n");
+ return -1;
+ }
+ /*
+ * check whether a storage device is attached (assume that it's
+ * a USB memory stick, since nothing else should be attached).
+ */
+ au_usb_stor_curr_dev = usb_stor_scan(1);
+ if (au_usb_stor_curr_dev == -1) {
+ debug ("No device found. Not initialized?\n");
+ return -1;
+ }
+ /* check whether it has a partition table */
+ stor_dev = usb_stor_get_dev(au_usb_stor_curr_dev);
+ if (stor_dev->type == DEV_TYPE_UNKNOWN) {
+ debug ("uknown device type\n");
+ return -1;
+ }
+ if (fat_register_device(stor_dev, 1) != 0) {
+ debug ("Unable to use USB %d:%d for fatls\n",
+ au_usb_stor_curr_dev, 1);
+ return -1;
+ }
+ 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;
+ aufile[IDX_PREINST] = AU_PREINST;
+ aufile[IDX_FIRMWARE] = AU_FIRMWARE;
+ aufile[IDX_KERNEL] = AU_KERNEL;
+ aufile[IDX_APP] = AU_APP;
+ aufile[IDX_DISK] = AU_DISK;
+ aufile[IDX_POSTINST] = AU_POSTINST;
+ /* initialize the array of flash sizes */
+ memset(ausize, 0, sizeof(ausize));
+ ausize[IDX_FIRMWARE] = (AU_FL_FIRMWARE_ND + 1) - AU_FL_FIRMWARE_ST;
+ ausize[IDX_KERNEL] = (AU_FL_KERNEL_ND + 1) - AU_FL_KERNEL_ST;
+ ausize[IDX_APP] = (AU_FL_APP_ND + 1) - AU_FL_APP_ST;
+ ausize[IDX_DISK] = (AU_FL_DISK_ND + 1) - AU_FL_DISK_ST;
+ bitmap_first = 0;
+ /* just loop thru all the possible files */
+ for (i = 0; i < AU_MAXFILES; i++) {
+ sz = file_fat_read(aufile[i], LOAD_ADDR, MAX_LOADSZ);
+ debug ("read %s sz %ld hdr %d\n",
+ aufile[i], sz, sizeof(image_header_t));
+ if (sz <= 0 || sz <= sizeof(image_header_t)) {
+ debug ("%s not found\n", aufile[i]);
+ continue;
+ }
+ if (au_check_valid(i, sz) < 0) {
+ debug ("%s not valid\n", aufile[i]);
+ continue;
+ }
+#ifdef CONFIG_VFD
+ /* now that we have a valid file we can display the */
+ /* bitmap. */
+ if (bitmap_first == 0) {
+ env = getenv("bitmap2");
+ if (env == NULL) {
+ trab_vfd(0);
+ } else {
+ /* not so simple - bitmap2 is supposed to */
+ /* contain the address of the bitmap */
+ env = (char *)simple_strtoul(env, NULL, 16);
+/* NOTE: these are taken from vfd_logo.h. If that file changes then */
+/* these defines MUST also be updated! These may be wrong for bitmap2. */
+#define VFD_LOGO_WIDTH 112
+#define VFD_LOGO_HEIGHT 72
+ /* must call transfer_pic directly */
+ transfer_pic(3, env, VFD_LOGO_HEIGHT, VFD_LOGO_WIDTH);
+ }
+ bitmap_first = 1;
+ }
+#endif
+ /* this is really not a good idea, but it's what the */
+ /* customer wants. */
+ do {
+ res = au_do_update(i);
+ } while (res < 0);
+ au_update_eeprom(i);
+ }
+ return 0;
+}
+#endif /* CONFIG_AUTO_UPDATE */
diff --git a/board/trab/cmd_trab.c b/board/trab/cmd_trab.c
index 0a9768a..78e14bd 100644
--- a/board/trab/cmd_trab.c
+++ b/board/trab/cmd_trab.c
@@ -111,6 +111,10 @@
int do_burn_in (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
int do_contact_temp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
int do_burn_in_status (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int i2c_write_multiple (uchar chip, uint addr, int alen,
+ uchar *buffer, int len);
+int i2c_read_multiple (uchar chip, uint addr, int alen,
+ uchar *buffer, int len);
/* helper functions */
static void adc_init (void);
@@ -123,10 +127,6 @@
static int test_sram (void);
static int test_eeprom (void);
static int test_contact_temp (void);
-static int i2c_write_multiple (uchar chip, uint addr, int alen,
- uchar *buffer, int len);
-static int i2c_read_multiple (uchar chip, uint addr, int alen,
- uchar *buffer, int len);
static void led_set (unsigned int);
static void led_blink (void);
static void led_init (void);
@@ -579,8 +579,8 @@
}
-static int i2c_write_multiple (uchar chip, uint addr, int alen,
- uchar *buffer, int len)
+int i2c_write_multiple (uchar chip, uint addr, int alen,
+ uchar *buffer, int len)
{
int i;
@@ -608,8 +608,8 @@
}
-static int i2c_read_multiple (uchar chip, uint addr, int alen,
- uchar *buffer, int len)
+int i2c_read_multiple ( uchar chip, uint addr, int alen,
+ uchar *buffer, int len)
{
int i;
diff --git a/board/trab/trab.c b/board/trab/trab.c
index 71b3cbe..fb57f5b 100644
--- a/board/trab/trab.c
+++ b/board/trab/trab.c
@@ -169,6 +169,12 @@
uchar *str;
int i;
+#ifdef CONFIG_AUTO_UPDATE
+ extern int do_auto_update(void);
+ /* this has priority over all else */
+ do_auto_update();
+#endif
+
for (i = 0; i < KEYBD_KEY_NUM; ++i) {
keybd_env[i] = '0' + ((kbd_data >> i) & 1);
}