diff options
Diffstat (limited to 'lib_avr32')
| -rw-r--r-- | lib_avr32/Makefile | 10 | ||||
| -rw-r--r-- | lib_avr32/bootm.c (renamed from lib_avr32/avr32_linux.c) | 142 |
2 files changed, 43 insertions, 109 deletions
diff --git a/lib_avr32/Makefile b/lib_avr32/Makefile index bb2938f..37b8051 100644 --- a/lib_avr32/Makefile +++ b/lib_avr32/Makefile @@ -27,12 +27,14 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(ARCH).a -SOBJS = memset.o +SOBJS-y += memset.o -COBJS = board.o interrupts.o avr32_linux.o +COBJS-y += board.o +COBJS-y += bootm.o +COBJS-y += interrupts.o -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) +SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) $(LIB): $(obj).depend $(OBJS) $(AR) $(ARFLAGS) $@ $(OBJS) diff --git a/lib_avr32/avr32_linux.c b/lib_avr32/bootm.c index 62afbd2..b1c651a 100644 --- a/lib_avr32/avr32_linux.c +++ b/lib_avr32/bootm.c @@ -31,12 +31,10 @@ DECLARE_GLOBAL_DATA_PTR; -extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); - /* CPU-specific hook to allow flushing of caches, etc. */ extern void prepare_to_boot(void); -extern image_header_t header; /* from cmd_bootm.c */ +extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); static struct tag *setup_start_tag(struct tag *params) { @@ -176,113 +174,37 @@ static void setup_end_tag(struct tag *params) } void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], - unsigned long addr, unsigned long *len_ptr, int verify) + bootm_headers_t *images) { - unsigned long data, len = 0; - unsigned long initrd_start, initrd_end; - unsigned long image_start, image_end; - unsigned long checksum; - void (*theKernel)(int magic, void *tagtable); - image_header_t *hdr; - struct tag *params, *params_start; - char *commandline = getenv("bootargs"); - - hdr = (image_header_t *)addr; - image_start = addr; - image_end = addr + hdr->ih_size; - - theKernel = (void *)ntohl(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); - - memcpy(&header, (char *)addr, sizeof(header)); - hdr = &header; - - if (ntohl(hdr->ih_magic) != IH_MAGIC) { - puts("Bad Magic Number\n"); - show_boot_progress (-10); - do_reset(cmdtp, flag, argc, argv); + ulong initrd_start, initrd_end; + ulong ep = 0; + void (*theKernel)(int magic, void *tagtable); + struct tag *params, *params_start; + char *commandline = getenv("bootargs"); + int ret; + + /* find kernel entry point */ + if (images->legacy_hdr_valid) { + ep = image_get_ep (images->legacy_hdr_os); +#if defined(CONFIG_FIT) + } else if (images->fit_uname_os) { + ret = fit_image_get_entry (images->fit_hdr_os, + images->fit_noffset_os, &ep); + if (ret) { + puts ("Can't get entry point property!\n"); + goto error; } - - data = (unsigned long)hdr; - len = sizeof(*hdr); - checksum = ntohl(hdr->ih_hcrc); - hdr->ih_hcrc = 0; - - if (crc32(0, (unsigned 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(header); - len = ntohl(hdr->ih_size); - - if (verify) { - unsigned long csum = 0; - - puts(" Verifying Checksum ... "); - csum = crc32(0, (unsigned char *)data, len); - if (csum != ntohl(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_AVR32) || - (hdr->ih_type != IH_TYPE_RAMDISK)) { - puts("Not a Linux/AVR32 RAMDISK image\n"); - show_boot_progress (-13); - do_reset(cmdtp, flag, argc, argv); - } - } else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) { - ulong 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]); +#endif } else { - /* no initrd image */ - show_boot_progress (14); - len = data = 0; + puts ("Could not find kernel entry point!\n"); + goto error; } + theKernel = (void *)ep; - if (data) { - initrd_start = data; - initrd_end = initrd_start + len; - } else { - initrd_start = 0; - initrd_end = 0; - } + ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_AVR32, + &initrd_start, &initrd_end); + if (ret) + goto error; show_boot_progress (15); @@ -299,10 +221,20 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], params = setup_ethernet_tags(params); setup_end_tag(params); + if (!images->autostart) + return ; + printf("\nStarting kernel at %p (params at %p)...\n\n", theKernel, params_start); prepare_to_boot(); theKernel(ATAG_MAGIC, params_start); + /* does not return */ + return; + +error: + if (images->autostart) + do_reset (cmdtp, flag, argc, argv); + return; } |