Initial revision
diff --git a/board/esd/ar405/ar405.c b/board/esd/ar405/ar405.c
new file mode 100644
index 0000000..f23b822
--- /dev/null
+++ b/board/esd/ar405/ar405.c
@@ -0,0 +1,187 @@
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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 "ar405.h"
+#include <asm/processor.h>
+#include <command.h>
+#include <cmd_boot.h>
+
+
+/* ------------------------------------------------------------------------- */
+
+#if 0
+#define FPGA_DEBUG
+#endif
+
+/* fpga configuration data - generated by bin2cc */
+const unsigned char fpgadata[] = {
+#include "fpgadata.c"
+};
+
+/*
+ * include common fpga code (for esd boards)
+ */
+#include "../common/fpga.c"
+
+
+int board_pre_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ int index, len, i;
+ int status;
+
+#ifdef FPGA_DEBUG
+ /* set up serial port with default baudrate */
+ (void) get_clocks ();
+ gd->baudrate = CONFIG_BAUDRATE;
+ serial_init ();
+ console_init_f ();
+#endif
+
+ /*
+ * Boot onboard FPGA
+ */
+ status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));
+ if (status != 0) {
+ /* booting FPGA failed */
+#ifndef FPGA_DEBUG
+ /* set up serial port with default baudrate */
+ (void) get_clocks ();
+ gd->baudrate = CONFIG_BAUDRATE;
+ serial_init ();
+ console_init_f ();
+#endif
+ printf ("\nFPGA: Booting failed ");
+ switch (status) {
+ case ERROR_FPGA_PRG_INIT_LOW:
+ printf ("(Timeout: INIT not low after asserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_INIT_HIGH:
+ printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_DONE:
+ printf ("(Timeout: DONE not high after programming FPGA)\n ");
+ break;
+ }
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i = 0; i < 4; i++) {
+ len = fpgadata[index];
+ printf ("FPGA: %s\n", &(fpgadata[index + 1]));
+ index += len + 3;
+ }
+ putc ('\n');
+ /* delayed reboot */
+ for (i = 20; i > 0; i--) {
+ printf ("Rebooting in %2d seconds \r", i);
+ for (index = 0; index < 1000; index++)
+ udelay (1000);
+ }
+ putc ('\n');
+ do_reset (NULL, 0, 0, NULL);
+ }
+
+ /*
+ * IRQ 0-15 405GP internally generated; active high; level sensitive
+ * IRQ 16 405GP internally generated; active low; level sensitive
+ * IRQ 17-24 RESERVED
+ * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
+ * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive
+ * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive
+ * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive
+ * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
+ * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive
+ * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
+ */
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr (uicer, 0x00000000); /* disable all ints */
+ mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
+ mtdcr (uicpr, 0xFFFFFF81); /* set int polarities */
+ mtdcr (uictr, 0x10000000); /* set int trigger levels */
+ mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+
+ *(ushort *) 0xf03000ec = 0x0fff; /* enable all interrupts in fpga */
+
+ return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ int index;
+ int len;
+ unsigned char str[64];
+ int i = getenv_r ("serial#", str, sizeof (str));
+
+ puts ("Board: ");
+
+ if (!i || strncmp (str, "AR405", 5)) {
+ puts ("### No HW ID - assuming AR405\n");
+ return (0);
+ }
+
+ puts (str);
+
+ puts ("\nFPGA: ");
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i = 0; i < 4; i++) {
+ len = fpgadata[index];
+ printf ("%s ", &(fpgadata[index + 1]));
+ index += len + 3;
+ }
+
+ putc ('\n');
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ return (16 * 1024 * 1024);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+ /* TODO: XXX XXX XXX */
+ printf ("test: 16 MB - ok\n");
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
diff --git a/board/esd/canbt/canbt.c b/board/esd/canbt/canbt.c
new file mode 100644
index 0000000..bc7f0c7
--- /dev/null
+++ b/board/esd/canbt/canbt.c
@@ -0,0 +1,199 @@
+/*
+ * (C) Copyright 2001
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
+ *
+ * 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 "canbt.h"
+#include <asm/processor.h>
+#include <command.h>
+#include <cmd_boot.h>
+
+/* ------------------------------------------------------------------------- */
+
+#if 0
+#define FPGA_DEBUG
+#endif
+
+/* fpga configuration data */
+const unsigned char fpgadata[] = {
+#include "fpgadata.c"
+};
+
+/*
+ * include common fpga code (for esd boards)
+ */
+#include "../common/fpga.c"
+
+
+int board_pre_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ unsigned long cntrl0Reg;
+ int index, len, i;
+ int status;
+
+ /*
+ * Setup GPIO pins
+ */
+ cntrl0Reg = mfdcr (cntrl0) & 0xf0001fff;
+ cntrl0Reg |= 0x0070f000;
+ mtdcr (cntrl0, cntrl0Reg);
+
+#ifdef FPGA_DEBUG
+ /* set up serial port with default baudrate */
+ (void) get_clocks ();
+ gd->baudrate = CONFIG_BAUDRATE;
+ serial_init ();
+ console_init_f ();
+#endif
+
+ /*
+ * Boot onboard FPGA
+ */
+ status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));
+ if (status != 0) {
+ /* booting FPGA failed */
+#ifndef FPGA_DEBUG
+ /* set up serial port with default baudrate */
+ (void) get_clocks ();
+ gd->baudrate = CONFIG_BAUDRATE;
+ serial_init ();
+ console_init_f ();
+#endif
+ printf ("\nFPGA: Booting failed ");
+ switch (status) {
+ case ERROR_FPGA_PRG_INIT_LOW:
+ printf ("(Timeout: INIT not low after asserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_INIT_HIGH:
+ printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_DONE:
+ printf ("(Timeout: DONE not high after programming FPGA)\n ");
+ break;
+ }
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i = 0; i < 4; i++) {
+ len = fpgadata[index];
+ printf ("FPGA: %s\n", &(fpgadata[index + 1]));
+ index += len + 3;
+ }
+ putc ('\n');
+ /* delayed reboot */
+ for (i = 20; i > 0; i--) {
+ printf ("Rebooting in %2d seconds \r", i);
+ for (index = 0; index < 1000; index++)
+ udelay (1000);
+ }
+ putc ('\n');
+ do_reset (NULL, 0, 0, NULL);
+ }
+
+ /*
+ * Setup port pins for normal operation
+ */
+ out32 (IBM405GP_GPIO0_ODR, 0x00000000); /* no open drain pins */
+ out32 (IBM405GP_GPIO0_TCR, 0x07038100); /* setup for output */
+ out32 (IBM405GP_GPIO0_OR, 0x07030100); /* set output pins to high (default) */
+
+ /*
+ * IRQ 0-15 405GP internally generated; active high; level sensitive
+ * IRQ 16 405GP internally generated; active low; level sensitive
+ * IRQ 17-24 RESERVED
+ * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
+ * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive
+ * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive
+ * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive
+ * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
+ * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive
+ * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
+ */
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr (uicer, 0x00000000); /* disable all ints */
+ mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
+ mtdcr (uicpr, 0xFFFFFF81); /* set int polarities */
+ mtdcr (uictr, 0x10000000); /* set int trigger levels */
+ mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+
+ return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ int index;
+ int len;
+ unsigned char str[64];
+ int i = getenv_r ("serial#", str, sizeof (str));
+
+ puts ("Board: ");
+
+ if (!i || strncmp (str, "CANBT", 5)) {
+ puts ("### No HW ID - assuming CANBT\n");
+ return (0);
+ }
+
+ puts (str);
+
+ puts ("\nFPGA: ");
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i = 0; i < 4; i++) {
+ len = fpgadata[index];
+ printf ("%s ", &(fpgadata[index + 1]));
+ index += len + 3;
+ }
+
+ putc ('\n');
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ return (16 * 1024 * 1024);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+ /* TODO: XXX XXX XXX */
+ printf ("test: 16 MB - ok\n");
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
diff --git a/board/esd/du405/du405.c b/board/esd/du405/du405.c
new file mode 100644
index 0000000..184cda8
--- /dev/null
+++ b/board/esd/du405/du405.c
@@ -0,0 +1,200 @@
+/*
+ * (C) Copyright 2000, 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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 "du405.h"
+#include <asm/processor.h>
+#include <ppc4xx.h>
+#include <405gp_i2c.h>
+#include <command.h>
+#include <cmd_boot.h>
+
+/* ------------------------------------------------------------------------- */
+
+#if 0
+#define FPGA_DEBUG
+#endif
+
+#if 0
+#define FPGA_DEBUG2
+#endif
+
+/* fpga configuration data - generated by bin2cc */
+const unsigned char fpgadata[] = {
+#include "fpgadata.c"
+};
+
+/*
+ * include common fpga code (for esd boards)
+ */
+#include "../common/fpga.c"
+
+
+int board_pre_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ int index, len, i;
+ int status;
+
+#ifdef FPGA_DEBUG
+ /* set up serial port with default baudrate */
+ (void) get_clocks ();
+ gd->baudrate = CONFIG_BAUDRATE;
+ serial_init ();
+ console_init_f ();
+#endif
+
+ /*
+ * Boot onboard FPGA
+ */
+ status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));
+ if (status != 0) {
+ /* booting FPGA failed */
+#ifndef FPGA_DEBUG
+ /* set up serial port with default baudrate */
+ (void) get_clocks ();
+ gd->baudrate = CONFIG_BAUDRATE;
+ serial_init ();
+ console_init_f ();
+#endif
+ printf ("\nFPGA: Booting failed ");
+ switch (status) {
+ case ERROR_FPGA_PRG_INIT_LOW:
+ printf ("(Timeout: INIT not low after asserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_INIT_HIGH:
+ printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
+ break;
+ case ERROR_FPGA_PRG_DONE:
+ printf ("(Timeout: DONE not high after programming FPGA)\n ");
+ break;
+ }
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i = 0; i < 4; i++) {
+ len = fpgadata[index];
+ printf ("FPGA: %s\n", &(fpgadata[index + 1]));
+ index += len + 3;
+ }
+ putc ('\n');
+ /* delayed reboot */
+ for (i = 20; i > 0; i--) {
+ printf ("Rebooting in %2d seconds \r", i);
+ for (index = 0; index < 1000; index++)
+ udelay (1000);
+ }
+ putc ('\n');
+ do_reset (NULL, 0, 0, NULL);
+ }
+
+ /*
+ * IRQ 0-15 405GP internally generated; active high; level sensitive
+ * IRQ 16 405GP internally generated; active low; level sensitive
+ * IRQ 17-24 RESERVED
+ * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
+ * IRQ 26 (EXT IRQ 1) DUART_A; active high; level sensitive
+ * IRQ 27 (EXT IRQ 2) DUART_B; active high; level sensitive
+ * IRQ 28 (EXT IRQ 3) unused; active low; level sensitive
+ * IRQ 29 (EXT IRQ 4) unused; active low; level sensitive
+ * IRQ 30 (EXT IRQ 5) unused; active low; level sensitive
+ * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
+ */
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr (uicer, 0x00000000); /* disable all ints */
+ mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
+ mtdcr (uicpr, 0xFFFFFFB1); /* set int polarities */
+ mtdcr (uictr, 0x10000000); /* set int trigger levels */
+ mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+
+ /*
+ * EBC Configuration Register: set ready timeout to 100 us
+ */
+ mtebc (epcr, 0xb8400000);
+
+ return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ int index;
+ int len;
+ unsigned char str[64];
+ int i = getenv_r ("serial#", str, sizeof (str));
+
+ puts ("Board: ");
+
+ if (i == -1) {
+ puts ("### No HW ID - assuming DU405");
+ } else {
+ puts (str);
+ }
+
+ puts ("\nFPGA: ");
+
+ /* display infos on fpgaimage */
+ index = 15;
+ for (i = 0; i < 4; i++) {
+ len = fpgadata[index];
+ printf ("%s ", &(fpgadata[index + 1]));
+ index += len + 3;
+ }
+
+ putc ('\n');
+
+ /*
+ * Reset external DUART via FPGA
+ */
+ *(volatile unsigned char *) FPGA_MODE_REG = 0xff; /* reset high active */
+ *(volatile unsigned char *) FPGA_MODE_REG = 0x00; /* low again */
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ return (16 * 1024 * 1024);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+ /* TODO: XXX XXX XXX */
+ printf ("test: 16 MB - ok\n");
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
diff --git a/lib_generic/vsprintf.c b/lib_generic/vsprintf.c
new file mode 100644
index 0000000..d7a7661
--- /dev/null
+++ b/lib_generic/vsprintf.c
@@ -0,0 +1,341 @@
+/*
+ * linux/lib/vsprintf.c
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ */
+
+/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
+/*
+ * Wirzenius wrote this portably, Torvalds fucked it up :-)
+ */
+
+#include <stdarg.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+
+#include <common.h>
+#if !defined (CONFIG_PANIC_HANG)
+#include <command.h>
+#include <cmd_boot.h> /* for do_reset() prototype */
+#endif
+
+unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
+{
+ unsigned long result = 0,value;
+
+ if (*cp == '0') {
+ cp++;
+ if ((*cp == 'x') && isxdigit(cp[1])) {
+ base = 16;
+ cp++;
+ }
+ if (!base) {
+ base = 8;
+ }
+ }
+ if (!base) {
+ base = 10;
+ }
+ while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
+ ? toupper(*cp) : *cp)-'A'+10) < base) {
+ result = result*base + value;
+ cp++;
+ }
+ if (endp)
+ *endp = (char *)cp;
+ return result;
+}
+
+long simple_strtol(const char *cp,char **endp,unsigned int base)
+{
+ if(*cp=='-')
+ return -simple_strtoul(cp+1,endp,base);
+ return simple_strtoul(cp,endp,base);
+}
+
+/* we use this so that we can do without the ctype library */
+#define is_digit(c) ((c) >= '0' && (c) <= '9')
+
+static int skip_atoi(const char **s)
+{
+ int i=0;
+
+ while (is_digit(**s))
+ i = i*10 + *((*s)++) - '0';
+ return i;
+}
+
+#define ZEROPAD 1 /* pad with zero */
+#define SIGN 2 /* unsigned/signed long */
+#define PLUS 4 /* show plus */
+#define SPACE 8 /* space if plus */
+#define LEFT 16 /* left justified */
+#define SPECIAL 32 /* 0x */
+#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
+
+#define do_div(n,base) ({ \
+int __res; \
+__res = ((unsigned long) n) % (unsigned) base; \
+n = ((unsigned long) n) / (unsigned) base; \
+__res; })
+
+static char * number(char * str, long num, int base, int size, int precision
+ ,int type)
+{
+ char c,sign,tmp[66];
+ const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
+ int i;
+
+ if (type & LARGE)
+ digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ if (type & LEFT)
+ type &= ~ZEROPAD;
+ if (base < 2 || base > 36)
+ return 0;
+ c = (type & ZEROPAD) ? '0' : ' ';
+ sign = 0;
+ if (type & SIGN) {
+ if (num < 0) {
+ sign = '-';
+ num = -num;
+ size--;
+ } else if (type & PLUS) {
+ sign = '+';
+ size--;
+ } else if (type & SPACE) {
+ sign = ' ';
+ size--;
+ }
+ }
+ if (type & SPECIAL) {
+ if (base == 16)
+ size -= 2;
+ else if (base == 8)
+ size--;
+ }
+ i = 0;
+ if (num == 0)
+ tmp[i++]='0';
+ else while (num != 0)
+ tmp[i++] = digits[do_div(num,base)];
+ if (i > precision)
+ precision = i;
+ size -= precision;
+ if (!(type&(ZEROPAD+LEFT)))
+ while(size-->0)
+ *str++ = ' ';
+ if (sign)
+ *str++ = sign;
+ if (type & SPECIAL) {
+ if (base==8)
+ *str++ = '0';
+ else if (base==16) {
+ *str++ = '0';
+ *str++ = digits[33];
+ }
+ }
+ if (!(type & LEFT))
+ while (size-- > 0)
+ *str++ = c;
+ while (i < precision--)
+ *str++ = '0';
+ while (i-- > 0)
+ *str++ = tmp[i];
+ while (size-- > 0)
+ *str++ = ' ';
+ return str;
+}
+
+/* Forward decl. needed for IP address printing stuff... */
+int sprintf(char * buf, const char *fmt, ...);
+
+int vsprintf(char *buf, const char *fmt, va_list args)
+{
+ int len;
+ unsigned long num;
+ int i, base;
+ char * str;
+ const char *s;
+
+ int flags; /* flags to number() */
+
+ int field_width; /* width of output field */
+ int precision; /* min. # of digits for integers; max
+ number of chars for from string */
+ int qualifier; /* 'h', 'l', or 'L' for integer fields */
+
+ for (str=buf ; *fmt ; ++fmt) {
+ if (*fmt != '%') {
+ *str++ = *fmt;
+ continue;
+ }
+
+ /* process flags */
+ flags = 0;
+ repeat:
+ ++fmt; /* this also skips first '%' */
+ switch (*fmt) {
+ case '-': flags |= LEFT; goto repeat;
+ case '+': flags |= PLUS; goto repeat;
+ case ' ': flags |= SPACE; goto repeat;
+ case '#': flags |= SPECIAL; goto repeat;
+ case '0': flags |= ZEROPAD; goto repeat;
+ }
+
+ /* get field width */
+ field_width = -1;
+ if (is_digit(*fmt))
+ field_width = skip_atoi(&fmt);
+ else if (*fmt == '*') {
+ ++fmt;
+ /* it's the next argument */
+ field_width = va_arg(args, int);
+ if (field_width < 0) {
+ field_width = -field_width;
+ flags |= LEFT;
+ }
+ }
+
+ /* get the precision */
+ precision = -1;
+ if (*fmt == '.') {
+ ++fmt;
+ if (is_digit(*fmt))
+ precision = skip_atoi(&fmt);
+ else if (*fmt == '*') {
+ ++fmt;
+ /* it's the next argument */
+ precision = va_arg(args, int);
+ }
+ if (precision < 0)
+ precision = 0;
+ }
+
+ /* get the conversion qualifier */
+ qualifier = -1;
+ if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') {
+ qualifier = *fmt;
+ ++fmt;
+ }
+
+ /* default base */
+ base = 10;
+
+ switch (*fmt) {
+ case 'c':
+ if (!(flags & LEFT))
+ while (--field_width > 0)
+ *str++ = ' ';
+ *str++ = (unsigned char) va_arg(args, int);
+ while (--field_width > 0)
+ *str++ = ' ';
+ continue;
+
+ case 's':
+ s = va_arg(args, char *);
+ if (!s)
+ s = "<NULL>";
+
+ len = strnlen(s, precision);
+
+ if (!(flags & LEFT))
+ while (len < field_width--)
+ *str++ = ' ';
+ for (i = 0; i < len; ++i)
+ *str++ = *s++;
+ while (len < field_width--)
+ *str++ = ' ';
+ continue;
+
+ case 'p':
+ if (field_width == -1) {
+ field_width = 2*sizeof(void *);
+ flags |= ZEROPAD;
+ }
+ str = number(str,
+ (unsigned long) va_arg(args, void *), 16,
+ field_width, precision, flags);
+ continue;
+
+
+ case 'n':
+ if (qualifier == 'l') {
+ long * ip = va_arg(args, long *);
+ *ip = (str - buf);
+ } else {
+ int * ip = va_arg(args, int *);
+ *ip = (str - buf);
+ }
+ continue;
+
+ case '%':
+ *str++ = '%';
+ continue;
+
+ /* integer number formats - set up the flags and "break" */
+ case 'o':
+ base = 8;
+ break;
+
+ case 'X':
+ flags |= LARGE;
+ case 'x':
+ base = 16;
+ break;
+
+ case 'd':
+ case 'i':
+ flags |= SIGN;
+ case 'u':
+ break;
+
+ default:
+ *str++ = '%';
+ if (*fmt)
+ *str++ = *fmt;
+ else
+ --fmt;
+ continue;
+ }
+ if (qualifier == 'l')
+ num = va_arg(args, unsigned long);
+ else if (qualifier == 'h') {
+ num = (unsigned short) va_arg(args, int);
+ if (flags & SIGN)
+ num = (short) num;
+ } else if (flags & SIGN)
+ num = va_arg(args, int);
+ else
+ num = va_arg(args, unsigned int);
+ str = number(str, num, base, field_width, precision, flags);
+ }
+ *str = '\0';
+ return str-buf;
+}
+
+int sprintf(char * buf, const char *fmt, ...)
+{
+ va_list args;
+ int i;
+
+ va_start(args, fmt);
+ i=vsprintf(buf,fmt,args);
+ va_end(args);
+ return i;
+}
+
+void panic(const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ printf(fmt);
+ putc('\n');
+ va_end(args);
+#if defined (CONFIG_PANIC_HANG)
+ hang();
+#else
+ udelay (100000); /* allow messages to go out */
+ do_reset (NULL, 0, 0, NULL);
+#endif
+}