diff options
| -rw-r--r-- | CHANGELOG | 3 | ||||
| -rw-r--r-- | board/stxxtc/oftree.dts | 52 | ||||
| -rw-r--r-- | common/Makefile.orig | 80 | ||||
| -rw-r--r-- | common/cmd_bootm.c.orig | 1379 | ||||
| -rw-r--r-- | common/ft_build.c | 695 | ||||
| -rw-r--r-- | include/ft_build.h | 66 |
6 files changed, 2275 insertions, 0 deletions
@@ -2,6 +2,9 @@ Changes for U-Boot 1.1.4: ====================================================================== +* Add missing files for Pantelis Antoniou's patch + Patch by Pantelis Antoniou, 04 Sep 2005 + * Fix problem in ppc4xx eth-driver without ethaddr (only without CONFIG_NET_MULTI set) Patch by Stefan Roese, 10 Oct 2005 diff --git a/board/stxxtc/oftree.dts b/board/stxxtc/oftree.dts new file mode 100644 index 0000000..e3f3017 --- /dev/null +++ b/board/stxxtc/oftree.dts @@ -0,0 +1,52 @@ +/ { + model = "STXXTC V1"; + compatible = "STXXTC"; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + linux,phandle = <1>; + #address-cells = <1>; + #size-cells = <0>; + PowerPC,MPC870@0 { + linux,phandle = <3>; + name = "PowerPC,MPC870"; + device_type = "cpu"; + reg = <0>; + clock-frequency = <0>; /* place-holder for runtime fillup */ + timebase-frequency = <0>; /* dido */ + linux,boot-cpu; + i-cache-size = <2000>; + d-cache-size = <2000>; + 32-bit; + }; + }; + + memory@0 { + device_type = "memory"; + reg = <00000000 00000000 00000000 20000000>; + }; + + /* copy of the bd_t information (place-holders) */ + bd_t { + memstart = <0>; + memsize = <0>; + flashstart = <0>; + flashsize = <0>; + flashoffset = <0>; + sramstart = <0>; + sramsize = <0>; + + immr_base = <0>; + + bootflags = <0>; + ip_addr = <0>; + enetaddr = [ 00 00 00 00 00 00 ]; + ethspeed = <0>; + intfreq = <0>; + busfreq = <0>; + + baudrate = <0>; + }; + +}; diff --git a/common/Makefile.orig b/common/Makefile.orig new file mode 100644 index 0000000..6366e02 --- /dev/null +++ b/common/Makefile.orig @@ -0,0 +1,80 @@ +# +# (C) Copyright 2004 +# Wolfgang Denk, DENX Software Engineering, wd@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 $(TOPDIR)/config.mk + +LIB = libcommon.a + +AOBJS = + +COBJS = main.o ACEX1K.o altera.o bedbug.o circbuf.o \ + cmd_ace.o cmd_autoscript.o \ + cmd_bdinfo.o cmd_bedbug.o cmd_bmp.o cmd_boot.o cmd_bootm.o \ + cmd_cache.o cmd_console.o \ + cmd_date.o cmd_dcr.o cmd_diag.o cmd_display.o cmd_doc.o cmd_dtt.o \ + cmd_eeprom.o cmd_elf.o cmd_ext2.o \ + cmd_fat.o cmd_fdc.o cmd_fdos.o cmd_flash.o cmd_fpga.o \ + cmd_i2c.o cmd_ide.o cmd_immap.o cmd_itest.o cmd_jffs2.o \ + cmd_load.o cmd_log.o \ + cmd_mem.o cmd_mii.o cmd_misc.o cmd_mmc.o \ + cmd_nand.o cmd_net.o cmd_nvedit.o \ + cmd_pci.o cmd_pcmcia.o cmd_portio.o \ + cmd_reginfo.o cmd_reiser.o cmd_scsi.o cmd_spi.o cmd_universe.o \ + cmd_usb.o cmd_vfd.o \ + command.o console.o devices.o dlmalloc.o docecc.o \ + environment.o env_common.o \ + env_nand.o env_dataflash.o env_flash.o env_eeprom.o \ + env_nvram.o env_nowhere.o \ + exports.o \ + flash.o fpga.o \ + hush.o kgdb.o lcd.o lists.o lynxkdi.o \ + memsize.o miiphybb.o miiphyutil.o \ + s_record.o serial.o soft_i2c.o soft_spi.o spartan2.o spartan3.o \ + usb.o usb_kbd.o usb_storage.o \ + virtex2.o xilinx.o + +OBJS = $(AOBJS) $(COBJS) + +CPPFLAGS += -I.. + +all: $(LIB) $(AOBJS) + +$(LIB): .depend $(OBJS) + $(AR) crv $@ $(OBJS) + +environment.o: environment.c ../tools/envcrc + $(CC) $(AFLAGS) -Wa,--no-warn \ + -DENV_CRC=$(shell ../tools/envcrc) \ + -c -o $@ environment.c + +../tools/envcrc: + $(MAKE) -C ../tools + +######################################################################### + +.depend: Makefile $(AOBJS:.o=.S) $(COBJS:.o=.c) + $(CC) -M $(CFLAGS) $(AOBJS:.o=.S) $(COBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/common/cmd_bootm.c.orig b/common/cmd_bootm.c.orig new file mode 100644 index 0000000..ab6ccbb --- /dev/null +++ b/common/cmd_bootm.c.orig @@ -0,0 +1,1379 @@ +/* + * (C) Copyright 2000-2002 + * Wolfgang Denk, DENX Software Engineering, wd@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 + */ + +/* + * Boot support + */ +#include <common.h> +#include <watchdog.h> +#include <command.h> +#include <image.h> +#include <malloc.h> +#include <zlib.h> +#include <bzlib.h> +#include <environment.h> +#include <asm/byteorder.h> + + /*cmd_boot.c*/ + extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + +#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) +#include <rtc.h> +#endif + +#ifdef CFG_HUSH_PARSER +#include <hush.h> +#endif + +#ifdef CONFIG_SHOW_BOOT_PROGRESS +# include <status_led.h> +# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) +#else +# define SHOW_BOOT_PROGRESS(arg) +#endif + +#ifdef CFG_INIT_RAM_LOCK +#include <asm/cache.h> +#endif + +#ifdef CONFIG_LOGBUFFER +#include <logbuff.h> +#endif + +#ifdef CONFIG_HAS_DATAFLASH +#include <dataflash.h> +#endif + +/* + * Some systems (for example LWMON) have very short watchdog periods; + * we must make sure to split long operations like memmove() or + * crc32() into reasonable chunks. + */ +#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) +# define CHUNKSZ (64 * 1024) +#endif + +int gunzip (void *, int, unsigned char *, unsigned long *); + +static void *zalloc(void *, unsigned, unsigned); +static void zfree(void *, void *, unsigned); + +#if (CONFIG_COMMANDS & CFG_CMD_IMI) +static int image_info (unsigned long addr); +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IMLS) +#include <flash.h> +extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ +static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); +#endif + +static void print_type (image_header_t *hdr); + +#ifdef __I386__ +image_header_t *fake_header(image_header_t *hdr, void *ptr, int size); +#endif + +/* + * Continue booting an OS image; caller already has: + * - copied image header to global variable `header' + * - checked header magic number, checksums (both header & image), + * - verified image architecture (PPC) and type (KERNEL or MULTI), + * - loaded (first part of) image to header load address, + * - disabled interrupts. + */ +typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag, + int argc, char *argv[], + ulong addr, /* of image to boot */ + ulong *len_ptr, /* multi-file image length table */ + int verify); /* getenv("verify")[0] != 'n' */ + +#ifdef DEBUG +extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); +#endif + +#ifdef CONFIG_PPC +static boot_os_Fcn do_bootm_linux; +#else +extern boot_os_Fcn do_bootm_linux; +#endif +#ifdef CONFIG_SILENT_CONSOLE +static void fixup_silent_linux (void); +#endif +static boot_os_Fcn do_bootm_netbsd; +static boot_os_Fcn do_bootm_rtems; +#if (CONFIG_COMMANDS & CFG_CMD_ELF) +static boot_os_Fcn do_bootm_vxworks; +static boot_os_Fcn do_bootm_qnxelf; +int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ); +int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ); +#endif /* CFG_CMD_ELF */ +#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC) +static boot_os_Fcn do_bootm_artos; +#endif +#ifdef CONFIG_LYNXKDI +static boot_os_Fcn do_bootm_lynxkdi; +extern void lynxkdi_boot( image_header_t * ); +#endif + +image_header_t header; + +ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */ + +int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + ulong iflag; + ulong addr; + ulong data, len, checksum; + ulong *len_ptr; + uint unc_len = 0x400000; + int i, verify; + char *name, *s; + int (*appl)(int, char *[]); + image_header_t *hdr = &header; + + s = getenv ("verify"); + verify = (s && (*s == 'n')) ? 0 : 1; + + if (argc < 2) { + addr = load_addr; + } else { + addr = simple_strtoul(argv[1], NULL, 16); + } + + SHOW_BOOT_PROGRESS (1); + printf ("## Booting image at %08lx ...\n", addr); + + /* Copy header so we can blank CRC field for re-calculation */ +#ifdef CONFIG_HAS_DATAFLASH + if (addr_dataflash(addr)){ + read_dataflash(addr, sizeof(image_header_t), (char *)&header); + } else +#endif + memmove (&header, (char *)addr, sizeof(image_header_t)); + + if (ntohl(hdr->ih_magic) != IH_MAGIC) { +#ifdef __I386__ /* correct image format not implemented yet - fake it */ + if (fake_header(hdr, (void*)addr, -1) != NULL) { + /* to compensate for the addition below */ + addr -= sizeof(image_header_t); + /* turnof verify, + * fake_header() does not fake the data crc + */ + verify = 0; + } else +#endif /* __I386__ */ + { + puts ("Bad Magic Number\n"); + SHOW_BOOT_PROGRESS (-1); + return 1; + } + } + SHOW_BOOT_PROGRESS (2); + + data = (ulong)&header; + len = sizeof(image_header_t); + + checksum = ntohl(hdr->ih_hcrc); + hdr->ih_hcrc = 0; + + if (crc32 (0, (char *)data, len) != checksum) { + puts ("Bad Header Checksum\n"); + SHOW_BOOT_PROGRESS (-2); + return 1; + } + SHOW_BOOT_PROGRESS (3); + +#ifdef CONFIG_HAS_DATAFLASH + if (addr_dataflash(addr)){ + len = ntohl(hdr->ih_size) + sizeof(image_header_t); + read_dataflash(addr, len, (char *)CFG_LOAD_ADDR); + addr = CFG_LOAD_ADDR; + } +#endif + + + /* for multi-file images we need the data part, too */ + print_image_hdr ((image_header_t *)addr); + + data = addr + sizeof(image_header_t); + len = ntohl(hdr->ih_size); + + if (verify) { + puts (" Verifying Checksum ... "); + if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) { + printf ("Bad Data CRC\n"); + SHOW_BOOT_PROGRESS (-3); + return 1; + } + puts ("OK\n"); + } + SHOW_BOOT_PROGRESS (4); + + len_ptr = (ulong *)data; + +#if defined(__PPC__) + if (hdr->ih_arch != IH_CPU_PPC) +#elif defined(__ARM__) + if (hdr->ih_arch != IH_CPU_ARM) +#elif defined(__I386__) + if (hdr->ih_arch != IH_CPU_I386) +#elif defined(__mips__) + if (hdr->ih_arch != IH_CPU_MIPS) +#elif defined(__nios__) + if (hdr->ih_arch != IH_CPU_NIOS) +#elif defined(__M68K__) + if (hdr->ih_arch != IH_CPU_M68K) +#elif defined(__microblaze__) + if (hdr->ih_arch != IH_CPU_MICROBLAZE) +#elif defined(__nios2__) + if (hdr->ih_arch != IH_CPU_NIOS2) +#else +# error Unknown CPU type +#endif + { + printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch); + SHOW_BOOT_PROGRESS (-4); + return 1; + } + SHOW_BOOT_PROGRESS (5); + + switch (hdr->ih_type) { + case IH_TYPE_STANDALONE: + name = "Standalone Application"; + /* A second argument overwrites the load address */ + if (argc > 2) { + hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16)); + } + break; + case IH_TYPE_KERNEL: + name = "Kernel Image"; + break; + case IH_TYPE_MULTI: + name = "Multi-File Image"; + len = ntohl(len_ptr[0]); + /* OS kernel is always the first image */ + data += 8; /* kernel_len + terminator */ + for (i=1; len_ptr[i]; ++i) + data += 4; + break; + default: printf ("Wrong Image Type for %s command\n", cmdtp->name); + SHOW_BOOT_PROGRESS (-5); + return 1; + } + SHOW_BOOT_PROGRESS (6); + + /* + * We have reached the point of no return: we are going to + * overwrite all exception vector code, so we cannot easily + * recover from any failures any more... + */ + + iflag = disable_interrupts(); + +#ifdef CONFIG_AMIGAONEG3SE + /* + * We've possible left the caches enabled during + * bios emulation, so turn them off again + */ + icache_disable(); + invalidate_l1_instruction_cache(); + flush_data_cache(); + dcache_disable(); +#endif + + switch (hdr->ih_comp) { + case IH_COMP_NONE: + if(ntohl(hdr->ih_load) == addr) { + printf (" XIP %s ... ", name); + } else { +#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) + size_t l = len; + void *to = (void *)ntohl(hdr->ih_load); + void *from = (void *)data; + + printf (" Loading %s ... ", name); + + while (l > 0) { + size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l; + WATCHDOG_RESET(); + memmove (to, from, tail); + to += tail; + from += tail; + l -= tail; + } +#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ + memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len); +#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ + } + break; + case IH_COMP_GZIP: + printf (" Uncompressing %s ... ", name); + if (gunzip ((void *)ntohl(hdr->ih_load), unc_len, + (uchar *)data, &len) != 0) { + puts ("GUNZIP ERROR - must RESET board to recover\n"); + SHOW_BOOT_PROGRESS (-6); + do_reset (cmdtp, flag, argc, argv); + } + break; +#ifdef CONFIG_BZIP2 + case IH_COMP_BZIP2: + printf (" Uncompressing %s ... ", name); + /* + * If we've got less than 4 MB of malloc() space, + * use slower decompression algorithm which requires + * at most 2300 KB of memory. + */ + i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load), + &unc_len, (char *)data, len, + CFG_MALLOC_LEN < (4096 * 1024), 0); + if (i != BZ_OK) { + printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i); + SHOW_BOOT_PROGRESS (-6); + udelay(100000); + do_reset (cmdtp, flag, argc, argv); + } + break; +#endif /* CONFIG_BZIP2 */ + default: + if (iflag) + enable_interrupts(); + printf ("Unimplemented compression type %d\n", hdr->ih_comp); + SHOW_BOOT_PROGRESS (-7); + return 1; + } + puts ("OK\n"); + SHOW_BOOT_PROGRESS (7); + + switch (hdr->ih_type) { + case IH_TYPE_STANDALONE: + if (iflag) + enable_interrupts(); + + /* load (and uncompress), but don't start if "autostart" + * is set to "no" + */ + if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) { + char buf[32]; + sprintf(buf, "%lX", len); + setenv("filesize", buf); + return 0; + } + appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep); + (*appl)(argc-1, &argv[1]); + return 0; + case IH_TYPE_KERNEL: + case IH_TYPE_MULTI: + /* handled below */ + break; + default: + if (iflag) + enable_interrupts(); + printf ("Can't boot image type %d\n", hdr->ih_type); + SHOW_BOOT_PROGRESS (-8); + return 1; + } + SHOW_BOOT_PROGRESS (8); + + switch (hdr->ih_os) { + default: /* handled by (original) Linux case */ + case IH_OS_LINUX: +#ifdef CONFIG_SILENT_CONSOLE + fixup_silent_linux(); +#endif + do_bootm_linux (cmdtp, flag, argc, argv, + addr, len_ptr, verify); + break; + case IH_OS_NETBSD: + do_bootm_netbsd (cmdtp, flag, argc, argv, + addr, len_ptr, verify); + break; + +#ifdef CONFIG_LYNXKDI + case IH_OS_LYNXOS: + do_bootm_lynxkdi (cmdtp, flag, argc, argv, + addr, len_ptr, verify); + break; +#endif + + case IH_OS_RTEMS: + do_bootm_rtems (cmdtp, flag, argc, argv, + addr, len_ptr, verify); + break; + +#if (CONFIG_COMMANDS & CFG_CMD_ELF) + case IH_OS_VXWORKS: + do_bootm_vxworks (cmdtp, flag, argc, argv, + addr, len_ptr, verify); + break; + case IH_OS_QNX: + do_bootm_qnxelf (cmdtp, flag, argc, argv, + addr, len_ptr, verify); + break; +#endif /* CFG_CMD_ELF */ +#ifdef CONFIG_ARTOS + case IH_OS_ARTOS: + do_bootm_artos (cmdtp, flag, argc, argv, + addr, len_ptr, verify); + break; +#endif + } + + SHOW_BOOT_PROGRESS (-9); +#ifdef DEBUG + puts ("\n## Control returned to monitor - resetting...\n"); + do_reset (cmdtp, flag, argc, argv); +#endif + return 1; +} + +U_BOOT_CMD( + bootm, CFG_MAXARGS, 1, do_bootm, + "bootm - boot application image from memory\n", + "[addr [arg ...]]\n - boot application image stored in memory\n" + "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n" + "\t'arg' can be the address of an initrd image\n" +); + +#ifdef CONFIG_SILENT_CONSOLE +static void +fixup_silent_linux () +{ + DECLARE_GLOBAL_DATA_PTR; + char buf[256], *start, *end; + char *cmdline = getenv ("bootargs"); + + /* Only fix cmdline when requested */ + if (!(gd->flags & GD_FLG_SILENT)) + return; + + debug ("before silent fix-up: %s\n", cmdline); + if (cmdline) { + if ((start = strstr (cmdline, "console=")) != NULL) { + end = strchr (start, ' '); + strncpy (buf, cmdline, (start - cmdline + 8)); + if (end) + strcpy (buf + (start - cmdline + 8), end); + else + buf[start - cmdline + 8] = '\0'; + } else { + strcpy (buf, cmdline); + strcat (buf, " console="); + } + } else { + strcpy (buf, "console="); + } + + setenv ("bootargs", buf); + debug ("after silent fix-up: %s\n", buf); +} +#endif /* CONFIG_SILENT_CONSOLE */ + +#ifdef CONFIG_PPC +static void +do_bootm_linux (cmd_tbl_t *cmdtp, int flag, + int argc, char *argv[], + ulong addr, + ulong *len_ptr, + int verify) +{ + DECLARE_GLOBAL_DATA_PTR; + + ulong sp; + ulong len, checksum; + ulong initrd_start, initrd_end; + ulong cmd_start, cmd_end; + ulong initrd_high; + ulong data; + int initrd_copy_to_ram = 1; + char *cmdline; + char *s; + bd_t *kbd; + void (*kernel)(bd_t *, ulong, ulong, ulong, ulong); + image_header_t *hdr = &header; + + if ((s = getenv ("initrd_high")) != NULL) { + /* a value of "no" or a similar string will act like 0, + * turning the "load high" feature off. This is intentional. + */ + initrd_high = simple_strtoul(s, NULL, 16); + if (initrd_high == ~0) + initrd_copy_to_ram = 0; + } else { /* not set, no restrictions to load high */ + initrd_high = ~0; + } + +#ifdef CONFIG_LOGBUFFER + kbd=gd->bd; + /* Prevent initrd from overwriting logbuffer */ + if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD)) + initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD; + debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN); +#endif + + /* + * Booting a (Linux) kernel image + * + * Allocate space for command line and board info - the + * address should be as high as possible within the reach of + * the kernel (see CFG_BOOTMAPSZ settings), but in unused + * memory, which means far enough below the current stack + * pointer. + */ + + asm( "mr %0,1": "=r"(sp) : ); + + debug ("## Current stack ends at 0x%08lX ", sp); + + sp -= 2048; /* just to be sure */ + if (sp > CFG_BOOTMAPSZ) + sp = CFG_BOOTMAPSZ; + sp &= ~0xF; + + debug ("=> set upper limit to 0x%08lX\n", sp); + + cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF); + kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF); + + if ((s = getenv("bootargs")) == NULL) + s = ""; + + strcpy (cmdline, s); + + cmd_start = (ulong)&cmdline[0]; + cmd_end = cmd_start + strlen(cmdline); + + *kbd = *(gd->bd); + +#ifdef DEBUG + printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end); + + do_bdinfo (NULL, 0, 0, NULL); +#endif + + if ((s = getenv ("clocks_in_mhz")) != NULL) { + /* convert all clock information to MHz */ + kbd->bi_intfreq /= 1000000L; + kbd->bi_busfreq /= 1000000L; +#if defined(CONFIG_MPC8220) + kbd->bi_inpfreq /= 1000000L; + kbd->bi_pcifreq /= 1000000L; + kbd->bi_pevfreq /= 1000000L; + kbd->bi_flbfreq /= 1000000L; + kbd->bi_vcofreq /= 1000000L; +#endif +#if defined(CONFIG_CPM2) + kbd->bi_cpmfreq /= 1000000L; + kbd->bi_brgfreq /= 1000000L; + kbd->bi_sccfreq /= 1000000L; + kbd->bi_vco /= 1000000L; +#endif +#if defined(CONFIG_MPC5xxx) + kbd->bi_ipbfreq /= 1000000L; + kbd->bi_pcifreq /= 1000000L; +#endif /* CONFIG_MPC5xxx */ + } + + kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep; + + /* + * Check if there is an initrd image + */ + if (argc >= 3) { + SHOW_BOOT_PROGRESS (9); + + addr = simple_strtoul(argv[2], NULL, 16); + + printf ("## Loading RAMDisk Image at %08lx ...\n", addr); + + /* Copy header so we can blank CRC field for re-calculation */ + memmove (&header, (char *)addr, sizeof(image_header_t)); + + if (hdr->ih_magic != IH_MAGIC) { + puts ("Bad Magic Number\n"); + SHOW_BOOT_PROGRESS (-10); + do_reset (cmdtp, flag, argc, argv); + } + + data = (ulong)&header; + len = sizeof(image_header_t); + + checksum = hdr->ih_hcrc; + hdr->ih_hcrc = 0; + + if (crc32 (0, (char *)data, len) != checksum) { + puts ("Bad Header Checksum\n"); + SHOW_BOOT_PROGRESS (-11); + do_reset (cmdtp, flag, argc, argv); + } + + SHOW_BOOT_PROGRESS (10); + + print_image_hdr (hdr); + + data = addr + sizeof(image_header_t); + len = hdr->ih_size; + + if (verify) { + ulong csum = 0; +#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) + ulong cdata = data, edata = cdata + len; +#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ + + puts (" Verifying Checksum ... "); + +#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) + + while (cdata < edata) { + ulong chunk = edata - cdata; + + if (chunk > CHUNKSZ) + chunk = CHUNKSZ; + csum = crc32 (csum, (char *)cdata, chunk); + cdata += chunk; + + WATCHDOG_RESET(); + } +#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ + csum = crc32 (0, (char *)data, len); +#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ + + if (csum != hdr->ih_dcrc) { + puts ("Bad Data CRC\n"); + SHOW_BOOT_PROGRESS (-12); + do_reset (cmdtp, flag, argc, argv); + } + puts ("OK\n"); + } + + SHOW_BOOT_PROGRESS (11); + + if ((hdr->ih_os != IH_OS_LINUX) || + (hdr->ih_arch != IH_CPU_PPC) || + (hdr->ih_type != IH_TYPE_RAMDISK) ) { + puts ("No Linux PPC Ramdisk Image\n"); + SHOW_BOOT_PROGRESS (-13); + do_reset (cmdtp, flag, argc, argv); + } + + /* + * Now check if we have a multifile image + */ + } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) { + u_long tail = ntohl(len_ptr[0]) % 4; + int i; + + SHOW_BOOT_PROGRESS (13); + + /* skip kernel length and terminator */ + data = (ulong)(&len_ptr[2]); + /* skip any additional image length fields */ + for (i=1; len_ptr[i]; ++i) + data += 4; + /* add kernel length, and align */ + data += ntohl(len_ptr[0]); + if (tail) { + data += 4 - tail; + } + + len = ntohl(len_ptr[1]); + + } else { + /* + * no initrd image + */ + SHOW_BOOT_PROGRESS (14); + + len = data = 0; + } + + if (!data) { + debug ("No initrd\n"); + } + + if (data) { + if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ + initrd_start = data; + initrd_end = initrd_start + len; + } else { + initrd_start = (ulong)kbd - len; + initrd_start &= ~(4096 - 1); /* align on page */ + + if (initrd_high) { + ulong nsp; + + /* + * the inital ramdisk does not need to be within + * CFG_BOOTMAPSZ as it is not accessed until after + * the mm system is initialised. + * + * do the stack bottom calculation again and see if + * the initrd will fit just below the monitor stack + * bottom without overwriting the area allocated + * above for command line args and board info. + */ + asm( "mr %0,1": "=r"(nsp) : ); + nsp -= 2048; /* just to be sure */ + nsp &= ~0xF; + if (nsp > initrd_high) /* limit as specified */ + nsp = initrd_high; + nsp -= len; + nsp &= ~(4096 - 1); /* align on page */ + if (nsp >= sp) + initrd_start = nsp; + } + + SHOW_BOOT_PROGRESS (12); + + debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", + data, data + len - 1, len, len); + + initrd_end = initrd_start + len; + printf (" Loading Ramdisk to %08lx, end %08lx ... ", + initrd_start, initrd_end); +#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) + { + size_t l = len; + void *to = (void *)initrd_start; + void *from = (void *)data; + + while (l > 0) { + size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l; + WATCHDOG_RESET(); + memmove (to, from, tail); + to += tail; + from += tail; + l -= tail; + } + } +#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ + memmove ((void *)initrd_start, (void *)data, len); +#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ + puts ("OK\n"); + } + } else { + initrd_start = 0; + initrd_end = 0; + } + + + debug ("## Transferring control to Linux (at address %08lx) ...\n", + (ulong)kernel); + + SHOW_BOOT_PROGRESS (15); + +#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500) + unlock_ram_in_cache(); +#endif + /* + * Linux Kernel Parameters: + * r3: ptr to board info data + * r4: initrd_start or 0 if no initrd + * r5: initrd_end - unused if r4 is 0 + * r6: Start of command line string + * r7: End of command line string + */ + (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); +} +#endif /* CONFIG_PPC */ + +static void +do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag, + int argc, char *argv[], + ulong addr, + ulong *len_ptr, + int verify) +{ + DECLARE_GLOBAL_DATA_PTR; + + image_header_t *hdr = &header; + + void (*loader)(bd_t *, image_header_t *, char *, char *); + image_header_t *img_addr; + char *consdev; + char *cmdline; + + + /* + * Booting a (NetBSD) kernel image + * + * This process is pretty similar to a standalone application: + * The (first part of an multi-) image must be a stage-2 loader, + * which in turn is responsible for loading & invoking the actual + * kernel. The only differences are the parameters being passed: + * besides the board info strucure, the loader expects a command + * line, the name of the console device, and (optionally) the + * address of the original image header. + */ + + img_addr = 0; + if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) + img_addr = (image_header_t *) addr; + + + consdev = ""; +#if defined (CONFIG_8xx_CONS_SMC1) + consdev = "smc1"; +#elif defined (CONFIG_8xx_CONS_SMC2) + consdev = "smc2"; +#elif defined (CONFIG_8xx_CONS_SCC2) + consdev = "scc2"; +#elif defined (CONFIG_8xx_CONS_SCC3) + consdev = "scc3"; +#endif + + if (argc > 2) { + ulong len; + int i; + + for (i=2, len=0 ; i<argc ; i+=1) + len += strlen (argv[i]) + 1; + cmdline = malloc (len); + + for (i=2, len=0 ; i<argc ; i+=1) { + if (i > 2) + cmdline[len++] = ' '; + strcpy (&cmdline[len], argv[i]); + len += strlen (argv[i]); + } + } else if ((cmdline = getenv("bootargs")) == NULL) { + cmdline = ""; + } + + loader = (void (*)(bd_t *, image_header_t *, char *, char *)) hdr->ih_ep; + + printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n", + (ulong)loader); + + SHOW_BOOT_PROGRESS (15); + + /* + * NetBSD Stage-2 Loader Parameters: + * r3: ptr to board info data + * r4: image address + * r5: console device + * r6: boot args string + */ + (*loader) (gd->bd, img_addr, consdev, cmdline); +} + +#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC) + +/* Function that returns a character from the environment */ +extern uchar (*env_get_char)(int); + +static void +do_bootm_artos (cmd_tbl_t *cmdtp, int flag, + int argc, char *argv[], + ulong addr, + ulong *len_ptr, + int verify) +{ + DECLARE_GLOBAL_DATA_PTR; + ulong top; + char *s, *cmdline; + char **fwenv, **ss; + int i, j, nxt, len, envno, envsz; + bd_t *kbd; + void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top); + image_header_t *hdr = &header; + + /* + * Booting an ARTOS kernel image + application + */ + + /* this used to be the top of memory, but was wrong... */ +#ifdef CONFIG_PPC + /* get stack pointer */ + asm volatile ("mr %0,1" : "=r"(top) ); +#endif + debug ("## Current stack ends at 0x%08lX ", top); + + top -= 2048; /* just to be sure */ + if (top > CFG_BOOTMAPSZ) + top = CFG_BOOTMAPSZ; + top &= ~0xF; + + debug ("=> set upper limit to 0x%08lX\n", top); + + /* first check the artos specific boot args, then the linux args*/ + if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL) + s = ""; + + /* get length of cmdline, and place it */ + len = strlen(s); + top = (top - (len + 1)) & ~0xF; + cmdline = (char *)top; + debug ("## cmdline at 0x%08lX ", top); + strcpy(cmdline, s); + + /* copy bdinfo */ + top = (top - sizeof(bd_t)) & ~0xF; + debug ("## bd at 0x%08lX ", top); + kbd = (bd_t *)top; + memcpy(kbd, gd->bd, sizeof(bd_t)); + + /* first find number of env entries, and their size */ + envno = 0; + envsz = 0; + for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { + for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) + ; + envno++; + envsz += (nxt - i) + 1; /* plus trailing zero */ + } + envno++; /* plus the terminating zero */ + debug ("## %u envvars total size %u ", envno, envsz); + + top = (top - sizeof(char **)*envno) & ~0xF; + fwenv = (char **)top; + debug ("## fwenv at 0x%08lX ", top); + + top = (top - envsz) & ~0xF; + s = (char *)top; + ss = fwenv; + + /* now copy them */ + for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { + for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) + ; + *ss++ = s; + for (j = i; j < nxt; ++j) + *s++ = env_get_char(j); + *s++ = '\0'; + } + *ss++ = NULL; /* terminate */ + + entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep); + (*entry)(kbd, cmdline, fwenv, top); +} +#endif + + +#if (CONFIG_COMMANDS & CFG_CMD_BOOTD) +int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int rcode = 0; +#ifndef CFG_HUSH_PARSER + if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1; +#else + if (parse_string_outer(getenv("bootcmd"), + FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1; +#endif + return rcode; +} + +U_BOOT_CMD( + boot, 1, 1, do_bootd, + "boot - boot default, i.e., run 'bootcmd'\n", + NULL +); + +/* keep old command name "bootd" for backward compatibility */ +U_BOOT_CMD( + bootd, 1, 1, do_bootd, + "bootd - boot default, i.e., run 'bootcmd'\n", + NULL +); + +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IMI) +int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int arg; + ulong addr; + int rcode=0; + + if (argc < 2) { + return image_info (load_addr); + } + + for (arg=1; arg <argc; ++arg) { + addr = simple_strtoul(argv[arg], NULL, 16); + if (image_info (addr) != 0) rcode = 1; + } + return rcode; +} + +static int image_info (ulong addr) +{ + ulong data, len, checksum; + image_header_t *hdr = &header; + + printf ("\n## Checking Image at %08lx ...\n", addr); + + /* Copy header so we can blank CRC field for re-calculation */ + memmove (&header, (char *)addr, sizeof(image_header_t)); + + if (ntohl(hdr->ih_magic) != IH_MAGIC) { + puts (" Bad Magic Number\n"); + return 1; + } + + data = (ulong)&header; + len = sizeof(image_header_t); + + checksum = ntohl(hdr->ih_hcrc); + hdr->ih_hcrc = 0; + + if (crc32 (0, (char *)data, len) != checksum) { + puts (" Bad Header Checksum\n"); + return 1; + } + + /* for multi-file images we need the data part, too */ + print_image_hdr ((image_header_t *)addr); + + data = addr + sizeof(image_header_t); + len = ntohl(hdr->ih_size); + + puts (" Verifying Checksum ... "); + if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) { + puts (" Bad Data CRC\n"); + return 1; + } + puts ("OK\n"); + return 0; +} + +U_BOOT_CMD( + iminfo, CFG_MAXARGS, 1, do_iminfo, + "iminfo - print header information for application image\n", + "addr [addr ...]\n" + " - print header information for application image starting at\n" + " address 'addr' in memory; this includes verification of the\n" + " image contents (magic number, header and payload checksums)\n" +); + +#endif /* CFG_CMD_IMI */ + +#if (CONFIG_COMMANDS & CFG_CMD_IMLS) +/*----------------------------------------------------------------------- + * List all images found in flash. + */ +int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + flash_info_t *info; + int i, j; + image_header_t *hdr; + ulong data, len, checksum; + + for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) { + if (info->flash_id == FLASH_UNKNOWN) + goto next_bank; + for (j=0; j<CFG_MAX_FLASH_SECT; ++j) { + + if (!(hdr=(image_header_t *)info->start[j]) || + (ntohl(hdr->ih_magic) != IH_MAGIC)) + goto next_sector; + + /* Copy header so we can blank CRC field for re-calculation */ + memmove (&header, (char *)hdr, sizeof(image_header_t)); + + checksum = ntohl(header.ih_hcrc); + header.ih_hcrc = 0; + + if (crc32 (0, (char *)&header, sizeof(image_header_t)) + != checksum) + goto next_sector; + + printf ("Image at %08lX:\n", (ulong)hdr); + print_image_hdr( hdr ); + + data = (ulong)hdr + sizeof(image_header_t); + len = ntohl(hdr->ih_size); + + puts (" Verifying Checksum ... "); + if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) { + puts (" Bad Data CRC\n"); + } + puts ("OK\n"); +next_sector: ; + } +next_bank: ; + } + + return (0); +} + +U_BOOT_CMD( + imls, 1, 1, do_imls, + "imls - list all images found in flash\n", + "\n" + " - Prints information about all images found at sector\n" + " boundaries in flash.\n" +); +#endif /* CFG_CMD_IMLS */ + +void +print_image_hdr (image_header_t *hdr) +{ +#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) + time_t timestamp = (time_t)ntohl(hdr->ih_time); + struct rtc_time tm; +#endif + + printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name); +#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP) + to_tm (timestamp, &tm); + printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n", + tm.tm_year, tm.tm_mon, tm.tm_mday, + tm.tm_hour, tm.tm_min, tm.tm_sec); +#endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */ + puts (" Image Type: "); print_type(hdr); + printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size)); + print_size (ntohl(hdr->ih_size), "\n"); + printf (" Load Address: %08x\n" + " Entry Point: %08x\n", + ntohl(hdr->ih_load), ntohl(hdr->ih_ep)); + + if (hdr->ih_type == IH_TYPE_MULTI) { + int i; + ulong len; + ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t)); + + puts (" Contents:\n"); + for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) { + printf (" Image %d: %8ld Bytes = ", i, len); + print_size (len, "\n"); + } + } +} + + +static void +print_type (image_header_t *hdr) +{ + char *os, *arch, *type, *comp; + + switch (hdr->ih_os) { + case IH_OS_INVALID: os = "Invalid OS"; break; + case IH_OS_NETBSD: os = "NetBSD"; break; + case IH_OS_LINUX: os = "Linux"; break; + case IH_OS_VXWORKS: os = "VxWorks"; break; + case IH_OS_QNX: os = "QNX"; break; + case IH_OS_U_BOOT: os = "U-Boot"; break; + case IH_OS_RTEMS: os = "RTEMS"; break; +#ifdef CONFIG_ARTOS + case IH_OS_ARTOS: os = "ARTOS"; break; +#endif +#ifdef CONFIG_LYNXKDI + case IH_OS_LYNXOS: os = "LynxOS"; break; +#endif + default: os = "Unknown OS"; break; + } + + switch (hdr->ih_arch) { + case IH_CPU_INVALID: arch = "Invalid CPU"; break; + case IH_CPU_ALPHA: arch = "Alpha"; break; + case IH_CPU_ARM: arch = "ARM"; break; + case IH_CPU_I386: arch = "Intel x86"; break; + case IH_CPU_IA64: arch = "IA64"; break; + case IH_CPU_MIPS: arch = "MIPS"; break; + case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break; + case IH_CPU_PPC: arch = "PowerPC"; break; + case IH_CPU_S390: arch = "IBM S390"; break; + case IH_CPU_SH: arch = "SuperH"; break; + case IH_CPU_SPARC: arch = "SPARC"; break; + case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break; + case IH_CPU_M68K: arch = "M68K"; break; + case IH_CPU_MICROBLAZE: arch = "Microblaze"; break; + case IH_CPU_NIOS: arch = "Nios"; break; + case IH_CPU_NIOS2: arch = "Nios-II"; break; + default: arch = "Unknown Architecture"; break; + } + + switch (hdr->ih_type) { + case IH_TYPE_INVALID: type = "Invalid Image"; break; + case IH_TYPE_STANDALONE:type = "Standalone Program"; break; + case IH_TYPE_KERNEL: type = "Kernel Image"; break; + case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break; + case IH_TYPE_MULTI: type = "Multi-File Image"; break; + case IH_TYPE_FIRMWARE: type = "Firmware"; break; + case IH_TYPE_SCRIPT: type = "Script"; break; + default: type = "Unknown Image"; break; + } + + switch (hdr->ih_comp) { + case IH_COMP_NONE: comp = "uncompressed"; break; + case IH_COMP_GZIP: comp = "gzip compressed"; break; + case IH_COMP_BZIP2: comp = "bzip2 compressed"; break; + default: comp = "unknown compression"; break; + } + + printf ("%s %s %s (%s)", arch, os, type, comp); +} + +#define ZALLOC_ALIGNMENT 16 + +static void *zalloc(void *x, unsigned items, unsigned size) +{ + void *p; + + size *= items; + size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1); + + p = malloc (size); + + return (p); +} + +static void zfree(void *x, void *addr, unsigned nb) +{ + free (addr); +} + +#define HEAD_CRC 2 +#define EXTRA_FIELD 4 +#define ORIG_NAME 8 +#define COMMENT 0x10 +#define RESERVED 0xe0 + +#define DEFLATED 8 + +int gunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp) +{ + z_stream s; + int r, i, flags; + + /* skip header */ + i = 10; + flags = src[3]; + if (src[2] != DEFLATED || (flags & RESERVED) != 0) { + puts ("Error: Bad gzipped data\n"); + return (-1); + } + if ((flags & EXTRA_FIELD) != 0) + i = 12 + src[10] + (src[11] << 8); + if ((flags & ORIG_NAME) != 0) + while (src[i++] != 0) + ; + if ((flags & COMMENT) != 0) + while (src[i++] != 0) + ; + if ((flags & HEAD_CRC) != 0) + i += 2; + if (i >= *lenp) { + puts ("Error: gunzip out of data in header\n"); + return (-1); + } + + s.zalloc = zalloc; + s.zfree = zfree; +#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) + s.outcb = (cb_func)WATCHDOG_RESET; +#else + s.outcb = Z_NULL; +#endif /* CONFIG_HW_WATCHDOG */ + + r = inflateInit2(&s, -MAX_WBITS); + if (r != Z_OK) { + printf ("Error: inflateInit2() returned %d\n", r); + return (-1); + } + s.next_in = src + i; + s.avail_in = *lenp - i; + s.next_out = dst; + s.avail_out = dstlen; + r = inflate(&s, Z_FINISH); + if (r != Z_OK && r != Z_STREAM_END) { + printf ("Error: inflate() returned %d\n", r); + return (-1); + } + *lenp = s.next_out - (unsigned char *) dst; + inflateEnd(&s); + + return (0); +} + +#ifdef CONFIG_BZIP2 +void bz_internal_error(int errcode) +{ + printf ("BZIP2 internal error %d\n", errcode); +} +#endif /* CONFIG_BZIP2 */ + +static void +do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], + ulong addr, ulong *len_ptr, int verify) +{ + DECLARE_GLOBAL_DATA_PTR; + image_header_t *hdr = &header; + void (*entry_point)(bd_t *); + + entry_point = (void (*)(bd_t *)) hdr->ih_ep; + + printf ("## Transferring control to RTEMS (at address %08lx) ...\n", + (ulong)entry_point); + + SHOW_BOOT_PROGRESS (15); + + /* + * RTEMS Parameters: + * r3: ptr to board info data + */ + + (*entry_point ) ( gd->bd ); +} + +#if (CONFIG_COMMANDS & CFG_CMD_ELF) +static void +do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], + ulong addr, ulong *len_ptr, int verify) +{ + image_header_t *hdr = &header; + char str[80]; + + sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */ + setenv("loadaddr", str); + do_bootvx(cmdtp, 0, 0, NULL); +} + +static void +do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], + ulong addr, ulong *len_ptr, int verify) +{ + image_header_t *hdr = &header; + char *local_args[2]; + char str[16]; + + sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */ + local_args[0] = argv[0]; + local_args[1] = str; /* and provide it via the arguments */ + do_bootelf(cmdtp, 0, 2, local_args); +} +#endif /* CFG_CMD_ELF */ + +#ifdef CONFIG_LYNXKDI +static void +do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag, + int argc, char *argv[], + ulong addr, + ulong *len_ptr, + int verify) +{ + lynxkdi_boot( &header ); +} + +#endif /* CONFIG_LYNXKDI */ diff --git a/common/ft_build.c b/common/ft_build.c new file mode 100644 index 0000000..624a1e1 --- /dev/null +++ b/common/ft_build.c @@ -0,0 +1,695 @@ +/* + * OF flat tree builder + */ + +#include <common.h> +#include <malloc.h> +#include <environment.h> + +#include <asm/errno.h> +#include <stddef.h> + +#include <ft_build.h> + +#ifdef CONFIG_OF_FLAT_TREE + +/* align addr on a size boundary - adjust address up if needed -- Cort */ +#define _ALIGN(addr,size) (((addr)+(size)-1)&(~((size)-1))) + +static void ft_put_word(struct ft_cxt *cxt, u32 v) +{ + if (cxt->overflow) /* do nothing */ + return; + + /* check for overflow */ + if (cxt->p + 4 > cxt->pstr) { + cxt->overflow = 1; + return; + } + + *(u32 *) cxt->p = cpu_to_be32(v); + cxt->p += 4; +} + +static inline void ft_put_bin(struct ft_cxt *cxt, const void *data, int sz) +{ + u8 *p; + + if (cxt->overflow) /* do nothing */ + return; + + /* next pointer pos */ + p = (u8 *) _ALIGN((unsigned long)cxt->p + sz, 4); + + /* check for overflow */ + if (p > cxt->pstr) { + cxt->overflow = 1; + return; + } + + memcpy(cxt->p, data, sz); + if ((sz & 3) != 0) + memset(cxt->p + sz, 0, 4 - (sz & 3)); + cxt->p = p; +} + +void ft_begin_node(struct ft_cxt *cxt, const char *name) +{ + ft_put_word(cxt, OF_DT_BEGIN_NODE); + ft_put_bin(cxt, name, strlen(name) + 1); +} + +void ft_end_node(struct ft_cxt *cxt) +{ + ft_put_word(cxt, OF_DT_END_NODE); +} + +void ft_nop(struct ft_cxt *cxt) +{ + ft_put_word(cxt, OF_DT_NOP); +} + +static int lookup_string(struct ft_cxt *cxt, const char *name) +{ + u8 *p; + + p = cxt->pstr; + while (p < cxt->pstr_begin) { + if (strcmp(p, name) == 0) + return p - cxt->p_begin; + p += strlen(p) + 1; + } + + return -1; +} + +void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz) +{ + int len, off; + + if (cxt->overflow) + return; + + len = strlen(name) + 1; + + off = lookup_string(cxt, name); + if (off == -1) { + /* check if we have space */ + if (cxt->p + 12 + sz + len > cxt->pstr) { + cxt->overflow = 1; + return; + } + + cxt->pstr -= len; + memcpy(cxt->pstr, name, len); + off = cxt->pstr - cxt->p_begin; + } + + /* now put offset from beginning of *STRUCTURE* */ + /* will be fixed up at the end */ + ft_put_word(cxt, OF_DT_PROP); + ft_put_word(cxt, sz); + ft_put_word(cxt, off); + ft_put_bin(cxt, data, sz); +} + +void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str) +{ + ft_prop(cxt, name, str, strlen(str) + 1); +} + +void ft_prop_int(struct ft_cxt *cxt, const char *name, int val) +{ + u32 v = cpu_to_be32((u32) val); + + ft_prop(cxt, name, &v, 4); +} + +/* start construction of the flat OF tree */ +void ft_begin(struct ft_cxt *cxt, void *blob, int max_size) +{ + struct boot_param_header *bph = blob; + u32 off; + + /* clear the cxt */ + memset(cxt, 0, sizeof(*cxt)); + + cxt->bph = bph; + cxt->max_size = max_size; + + /* zero everything in the header area */ + memset(bph, 0, sizeof(*bph)); + + bph->magic = cpu_to_be32(OF_DT_HEADER); + bph->version = cpu_to_be32(0x10); + bph->last_comp_version = cpu_to_be32(0x10); + + /* start pointers */ + cxt->pres_begin = (u8 *) _ALIGN((unsigned long)(bph + 1), 8); + cxt->pres = cxt->pres_begin; + + off = (unsigned long)cxt->pres_begin - (unsigned long)bph; + bph->off_mem_rsvmap = cpu_to_be32(off); + + ((u64 *) cxt->pres)[0] = 0; /* phys = 0, size = 0, terminate */ + ((u64 *) cxt->pres)[1] = 0; + + cxt->p_anchor = cxt->pres + 16; /* over the terminator */ +} + +/* add a reserver physical area to the rsvmap */ +void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size) +{ + ((u64 *) cxt->pres)[0] = cpu_to_be64(physaddr); /* phys = 0, size = 0, terminate */ + ((u64 *) cxt->pres)[1] = cpu_to_be64(size); + + cxt->pres += 18; /* advance */ + + ((u64 *) cxt->pres)[0] = 0; /* phys = 0, size = 0, terminate */ + ((u64 *) cxt->pres)[1] = 0; + + /* keep track of size */ + cxt->res_size = cxt->pres + 16 - cxt->pres_begin; + + cxt->p_anchor = cxt->pres + 16; /* over the terminator */ +} + +void ft_begin_tree(struct ft_cxt *cxt) +{ + cxt->p_begin = cxt->p_anchor; + cxt->pstr_begin = (char *)cxt->bph + cxt->max_size; /* point at the end */ + + cxt->p = cxt->p_begin; + cxt->pstr = cxt->pstr_begin; +} + +int ft_end_tree(struct ft_cxt *cxt) +{ + struct boot_param_header *bph = cxt->bph; + int off, sz, sz1; + u32 tag, v; + u8 *p; + + ft_put_word(cxt, OF_DT_END); + + if (cxt->overflow) + return -ENOMEM; + + /* size of the areas */ + cxt->struct_size = cxt->p - cxt->p_begin; + cxt->strings_size = cxt->pstr_begin - cxt->pstr; + + /* the offset we must move */ + off = (cxt->pstr_begin - cxt->p_begin) - cxt->strings_size; + + /* the new strings start */ + cxt->pstr_begin = cxt->p_begin + cxt->struct_size; + + /* move the whole string area */ + memmove(cxt->pstr_begin, cxt->pstr, cxt->strings_size); + + /* now perform the fixup of the strings */ + p = cxt->p_begin; + while ((tag = be32_to_cpu(*(u32 *) p)) != OF_DT_END) { + p += 4; + + if (tag == OF_DT_BEGIN_NODE) { + p = (u8 *) _ALIGN((unsigned long)p + strlen(p) + 1, 4); + continue; + } + + if (tag == OF_DT_END_NODE || tag == OF_DT_NOP) + continue; + + if (tag != OF_DT_PROP) + return -EINVAL; + + sz = be32_to_cpu(*(u32 *) p); + p += 4; + + v = be32_to_cpu(*(u32 *) p); + v -= off; + *(u32 *) p = cpu_to_be32(v); /* move down */ + p += 4; + + p = (u8 *) _ALIGN((unsigned long)p + sz, 4); + } + + /* fix sizes */ + p = (char *)cxt->bph; + sz = (cxt->pstr_begin + cxt->strings_size) - p; + sz1 = _ALIGN(sz, 16); /* align at 16 bytes */ + if (sz != sz1) + memset(p + sz, 0, sz1 - sz); + bph->totalsize = cpu_to_be32(sz1); + bph->off_dt_struct = cpu_to_be32(cxt->p_begin - p); + bph->off_dt_strings = cpu_to_be32(cxt->pstr_begin - p); + + /* the new strings start */ + cxt->pstr_begin = cxt->p_begin + cxt->struct_size; + cxt->pstr = cxt->pstr_begin + cxt->strings_size; + + return 0; +} + +/**********************************************************************/ + +static inline int isprint(int c) +{ + return c >= 0x20 && c <= 0x7e; +} + +static int is_printable_string(const void *data, int len) +{ + const char *s = data; + const char *ss; + + /* zero length is not */ + if (len == 0) + return 0; + + /* must terminate with zero */ + if (s[len - 1] != '\0') + return 0; + + ss = s; + while (*s && isprint(*s)) + s++; + + /* not zero, or not done yet */ + if (*s != '\0' || (s + 1 - ss) < len) + return 0; + + return 1; +} + +static void print_data(const void *data, int len) +{ + int i; + const u8 *s; + + /* no data, don't print */ + if (len == 0) + return; + + if (is_printable_string(data, len)) { + printf(" = \"%s\"", (char *)data); + return; + } + + switch (len) { + case 1: /* byte */ + printf(" = <0x%02x>", (*(u8 *) data) & 0xff); + break; + case 2: /* half-word */ + printf(" = <0x%04x>", be16_to_cpu(*(u16 *) data) & 0xffff); + break; + case 4: /* word */ + printf(" = <0x%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU); + break; + case 8: /* double-word */ + printf(" = <0x%16llx>", be64_to_cpu(*(uint64_t *) data)); + break; + default: /* anything else... hexdump */ + printf(" = ["); + for (i = 0, s = data; i < len; i++) + printf("%02x%s", s[i], i < len - 1 ? " " : ""); + printf("]"); + + break; + } +} + +void ft_dump_blob(const void *bphp) +{ + const struct boot_param_header *bph = bphp; + const uint64_t *p_rsvmap = (const uint64_t *) + ((const char *)bph + be32_to_cpu(bph->off_mem_rsvmap)); + const u32 *p_struct = (const u32 *) + ((const char *)bph + be32_to_cpu(bph->off_dt_struct)); + const u32 *p_strings = (const u32 *) + ((const char *)bph + be32_to_cpu(bph->off_dt_strings)); + u32 tag; + const u32 *p; + const char *s, *t; + int depth, sz, shift; + int i; + uint64_t addr, size; + + if (be32_to_cpu(bph->magic) != OF_DT_HEADER) { + /* not valid tree */ + return; + } + + depth = 0; + shift = 4; + + for (i = 0;; i++) { + addr = be64_to_cpu(p_rsvmap[i * 2]); + size = be64_to_cpu(p_rsvmap[i * 2 + 1]); + if (addr == 0 && size == 0) + break; + + printf("/memreserve/ 0x%llx 0x%llx;\n", addr, size); + } + + p = p_struct; + while ((tag = be32_to_cpu(*p++)) != OF_DT_END) { + + /* printf("tag: 0x%08x (%d)\n", tag, p - p_struct); */ + + if (tag == OF_DT_BEGIN_NODE) { + s = (const char *)p; + p = (u32 *) _ALIGN((unsigned long)p + strlen(s) + 1, 4); + + printf("%*s%s {\n", depth * shift, "", s); + + depth++; + continue; + } + + if (tag == OF_DT_END_NODE) { + depth--; + + printf("%*s};\n", depth * shift, ""); + continue; + } + + if (tag == OF_DT_NOP) { + printf("%*s[NOP]\n", depth * shift, ""); + continue; + } + + if (tag != OF_DT_PROP) { + fprintf(stderr, "%*s ** Unknown tag 0x%08x\n", + depth * shift, "", tag); + break; + } + sz = be32_to_cpu(*p++); + s = (const char *)p_strings + be32_to_cpu(*p++); + t = (const char *)p; + p = (const u32 *)_ALIGN((unsigned long)p + sz, 4); + printf("%*s%s", depth * shift, "", s); + print_data(t, sz); + printf(";\n"); + } +} + +void ft_backtrack_node(struct ft_cxt *cxt) +{ + if (be32_to_cpu(*(u32 *) (cxt->p - 4)) != OF_DT_END_NODE) + return; /* XXX only for node */ + + cxt->p -= 4; +} + +/* note that the root node of the blob is "peeled" off */ +void ft_merge_blob(struct ft_cxt *cxt, void *blob) +{ + struct boot_param_header *bph = (struct boot_param_header *)blob; + u32 *p_struct = (u32 *) ((char *)bph + be32_to_cpu(bph->off_dt_struct)); + u32 *p_strings = + (u32 *) ((char *)bph + be32_to_cpu(bph->off_dt_strings)); + u32 tag, *p; + char *s, *t; + int depth, sz; + + if (be32_to_cpu(*(u32 *) (cxt->p - 4)) != OF_DT_END_NODE) + return; /* XXX only for node */ + + cxt->p -= 4; + + depth = 0; + p = p_struct; + while ((tag = be32_to_cpu(*p++)) != OF_DT_END) { + + /* printf("tag: 0x%08x (%d) - %d\n", tag, p - p_struct, depth); */ + + if (tag == OF_DT_BEGIN_NODE) { + s = (char *)p; + p = (u32 *) _ALIGN((unsigned long)p + strlen(s) + 1, 4); + + if (depth++ > 0) + ft_begin_node(cxt, s); + + continue; + } + + if (tag == OF_DT_END_NODE) { + ft_end_node(cxt); + if (--depth == 0) + break; + continue; + } + + if (tag == OF_DT_NOP) + continue; + + if (tag != OF_DT_PROP) + break; + + sz = be32_to_cpu(*p++); + s = (char *)p_strings + be32_to_cpu(*p++); + t = (char *)p; + p = (u32 *) _ALIGN((unsigned long)p + sz, 4); + + ft_prop(cxt, s, t, sz); + } +} + +void *ft_get_prop(void *bphp, const char *propname, int *szp) +{ + struct boot_param_header *bph = bphp; + uint32_t *p_struct = + (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_struct)); + uint32_t *p_strings = + (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_strings)); + uint32_t version = be32_to_cpu(bph->version); + uint32_t tag; + uint32_t *p; + char *s, *t; + char *ss; + int sz; + static char path[256], prop[256]; + + path[0] = '\0'; + + p = p_struct; + while ((tag = be32_to_cpu(*p++)) != OF_DT_END) { + + if (tag == OF_DT_BEGIN_NODE) { + s = (char *)p; + p = (uint32_t *) _ALIGN((unsigned long)p + strlen(s) + + 1, 4); + strcat(path, s); + strcat(path, "/"); + continue; + } + + if (tag == OF_DT_END_NODE) { + path[strlen(path) - 1] = '\0'; + ss = strrchr(path, '/'); + if (ss != NULL) + ss[1] = '\0'; + continue; + } + + if (tag == OF_DT_NOP) + continue; + + if (tag != OF_DT_PROP) + break; + + sz = be32_to_cpu(*p++); + s = (char *)p_strings + be32_to_cpu(*p++); + if (version < 0x10 && sz >= 8) + p = (uint32_t *) _ALIGN((unsigned long)p, 8); + t = (char *)p; + p = (uint32_t *) _ALIGN((unsigned long)p + sz, 4); + + strcpy(prop, path); + strcat(prop, s); + + if (strcmp(prop, propname) == 0) { + *szp = sz; + return t; + } + } + + return NULL; +} + +/********************************************************************/ + +extern unsigned char oftree_dtb[]; +extern unsigned int oftree_dtb_len; + +/* Function that returns a character from the environment */ +extern uchar(*env_get_char) (int); + +#define BDM(x) { .name = #x, .offset = offsetof(bd_t, bi_ ##x ) } + +static const struct { + const char *name; + int offset; +} bd_map[] = { + BDM(memstart), + BDM(memsize), + BDM(flashstart), + BDM(flashsize), + BDM(flashoffset), + BDM(sramstart), + BDM(sramsize), +#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) \ + || defined(CONFIG_E500) + BDM(immr_base), +#endif +#if defined(CONFIG_MPC5xxx) + BDM(mbar_base), +#endif +#if defined(CONFIG_MPC83XX) + BDM(immrbar), +#endif +#if defined(CONFIG_MPC8220) + BDM(mbar_base), + BDM(inpfreq), + BDM(pcifreq), + BDM(pevfreq), + BDM(flbfreq), + BDM(vcofreq), +#endif + BDM(bootflags), + BDM(ip_addr), + BDM(intfreq), + BDM(busfreq), +#ifdef CONFIG_CPM2 + BDM(cpmfreq), + BDM(brgfreq), + BDM(sccfreq), + BDM(vco), +#endif +#if defined(CONFIG_MPC5xxx) + BDM(ipbfreq), + BDM(pcifreq), +#endif + BDM(baudrate), +}; + +void ft_setup(void *blob, int size, bd_t * bd) +{ + DECLARE_GLOBAL_DATA_PTR; + u8 *end; + u32 *p; + int len; + struct ft_cxt cxt; + int i, k, nxt; + static char tmpenv[256]; + char *s, *lval, *rval; + ulong clock; + uint32_t v; + + /* disable OF tree; booting old kernel */ + if (getenv("disable_of") != NULL) { + memcpy(blob, bd, sizeof(*bd)); + return; + } + + ft_begin(&cxt, blob, size); + + /* fs_add_rsvmap not used */ + + ft_begin_tree(&cxt); + + ft_begin_node(&cxt, ""); + + ft_end_node(&cxt); + + /* copy RO tree */ + ft_merge_blob(&cxt, oftree_dtb); + + /* back into root */ + ft_backtrack_node(&cxt); + + ft_begin_node(&cxt, "u-boot-env"); + + for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { + for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) ; + s = tmpenv; + for (k = i; k < nxt && s < &tmpenv[sizeof(tmpenv) - 1]; ++k) + *s++ = env_get_char(k); + *s++ = '\0'; + lval = tmpenv; + s = strchr(tmpenv, '='); + if (s != NULL) { + *s++ = '\0'; + rval = s; + } else + continue; + ft_prop_str(&cxt, lval, rval); + } + + ft_end_node(&cxt); + + ft_begin_node(&cxt, "chosen"); + + ft_prop_str(&cxt, "name", "chosen"); + ft_prop_str(&cxt, "bootargs", getenv("bootargs")); + ft_prop_int(&cxt, "linux,platform", 0x600); /* what is this? */ + + ft_end_node(&cxt); + + ft_end_node(&cxt); /* end root */ + + ft_end_tree(&cxt); + + /* + printf("merged OF-tree\n"); + ft_dump_blob(blob); + */ + + /* paste the bd_t at the end of the flat tree */ + end = (char *)blob + + be32_to_cpu(((struct boot_param_header *)blob)->totalsize); + memcpy(end, bd, sizeof(*bd)); + +#ifdef CONFIG_PPC + + for (i = 0; i < sizeof(bd_map)/sizeof(bd_map[0]); i++) { + sprintf(tmpenv, "/bd_t/%s", bd_map[i].name); + v = *(uint32_t *)((char *)bd + bd_map[i].offset); + + p = ft_get_prop(blob, tmpenv, &len); + if (p != NULL) + *p = cpu_to_be32(v); + } + + p = ft_get_prop(blob, "/bd_t/enetaddr", &len); + if (p != NULL) + memcpy(p, bd->bi_enetaddr, 6); + + p = ft_get_prop(blob, "/bd_t/ethspeed", &len); + if (p != NULL) + *p = cpu_to_be32((uint32_t) bd->bi_ethspeed); + + clock = bd->bi_intfreq; + p = ft_get_prop(blob, "/cpus/" OF_CPU "/clock-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(clock); + +#ifdef OF_TBCLK + clock = OF_TBCLK; + p = ft_get_prop(blob, "/cpus/" OF_CPU "/timebase-frequency", &len); + if (p != NULL) + *p = cpu_to_be32(OF_TBCLK); +#endif + +#endif /* __powerpc__ */ + + /* + printf("final OF-tree\n"); + ft_dump_blob(blob); + */ + +} + +#endif diff --git a/include/ft_build.h b/include/ft_build.h new file mode 100644 index 0000000..9104b1a --- /dev/null +++ b/include/ft_build.h @@ -0,0 +1,66 @@ +/* + * OF Flat tree builder + * + */ + +#ifndef FT_BUILD_H +#define FT_BUILD_H + +#include <linux/types.h> +#include <asm/u-boot.h> + +/* Definitions used by the flattened device tree */ +#define OF_DT_HEADER 0xd00dfeed /* marker */ +#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ +#define OF_DT_END_NODE 0x2 /* End node */ +#define OF_DT_PROP 0x3 /* Property: name off, size, + * content */ +#define OF_DT_NOP 0x4 /* nop */ +#define OF_DT_END 0x9 + +#define OF_DT_VERSION 0x10 + +struct boot_param_header { + u32 magic; /* magic word OF_DT_HEADER */ + u32 totalsize; /* total size of DT block */ + u32 off_dt_struct; /* offset to structure */ + u32 off_dt_strings; /* offset to strings */ + u32 off_mem_rsvmap; /* offset to memory reserve map */ + u32 version; /* format version */ + u32 last_comp_version; /* last compatible version */ + /* version 2 fields below */ + u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ + /* version 3 fields below */ + u32 dt_strings_size; /* size of the DT strings block */ +}; + +struct ft_cxt { + struct boot_param_header *bph; + int max_size; /* maximum size of tree */ + int overflow; /* set when this happens */ + u8 *p, *pstr, *pres; /* running pointers */ + u8 *p_begin, *pstr_begin, *pres_begin; /* starting pointers */ + u8 *p_anchor; /* start of constructed area */ + int struct_size, strings_size, res_size; +}; + +void ft_begin_node(struct ft_cxt *cxt, const char *name); +void ft_end_node(struct ft_cxt *cxt); + +void ft_begin_tree(struct ft_cxt *cxt); +int ft_end_tree(struct ft_cxt *cxt); + +void ft_nop(struct ft_cxt *cxt); +void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz); +void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str); +void ft_prop_int(struct ft_cxt *cxt, const char *name, int val); +void ft_begin(struct ft_cxt *cxt, void *blob, int max_size); +void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size); + +void ft_setup(void *blob, int size, bd_t * bd); + +void ft_dump_blob(const void *bphp); +void ft_merge_blob(struct ft_cxt *cxt, void *blob); +void *ft_get_prop(void *bphp, const char *propname, int *szp); + +#endif |