3 #include "../disk/part_amiga.h"
6 DECLARE_GLOBAL_DATA_PTR;
11 #define PRINTF(fmt,args...) printf (fmt ,##args)
13 #define PRINTF(fmt,args...)
22 extern block_dev_desc_t *ide_get_dev (int dev);
23 extern struct bootcode_block *get_bootcode (block_dev_desc_t * dev_desc);
24 extern int sum_block (struct block_header *header);
26 struct bootcode_block bblk;
28 int do_boota (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
30 unsigned char *load_address = (unsigned char *) CFG_LOAD_ADDR;
31 unsigned char *base_address;
34 unsigned long part_number = 0;
35 block_dev_desc_t *boot_disk;
37 struct bootcode_block *boot_code;
43 load_address = (unsigned char *) simple_strtol (argv[1], NULL, 16);
47 load_address = (unsigned char *) simple_strtol (argv[1], NULL, 16);
48 part_number = simple_strtol (argv[2], NULL, 16);
52 base_address = load_address;
54 PRINTF ("Loading boot code from disk %d to %p\n", part_number,
57 /* Find the appropriate disk device */
58 boot_disk = ide_get_dev (part_number);
60 PRINTF ("Unknown disk %d\n", part_number);
64 /* Find the bootcode block */
65 boot_code = get_bootcode (boot_disk);
67 PRINTF ("Not a bootable disk %d\n", part_number);
71 /* Only use the offset from the first block */
72 offset = boot_code->load_data[0];
73 memcpy (load_address, &boot_code->load_data[1], 122 * 4);
74 load_address += 122 * 4;
76 /* Setup for the loop */
77 bblk.next = boot_code->next;
80 /* Scan the chain, and copy the loader succesively into the destination area */
81 while (0xffffffff != boot_code->next) {
82 PRINTF ("Loading block %d\n", boot_code->next);
86 boot_disk->block_read (boot_disk->dev, boot_code->next, 1,
88 PRINTF ("Read error\n");
93 if (sum_block ((struct block_header *) (ulong *) & bblk) != 0) {
94 PRINTF ("Checksum error\n");
98 /* Ok, concatenate it to the already loaded code */
99 memcpy (load_address, boot_code->load_data, 123 * 4);
100 load_address += 123 * 4;
103 printf ("Bootcode loaded to %p (size %d)\n", base_address,
104 load_address - base_address);
105 printf ("Entry point at %p\n", base_address + offset);
107 flush_cache (base_address, load_address - base_address);
110 s = getenv ("autostart");
111 if (s && strcmp (s, "yes") == 0) {
112 void (*boot) (bd_t *, char *, block_dev_desc_t *);
115 boot = (void (*)(bd_t *, char *, block_dev_desc_t *)) (base_address + offset);
116 boot (gd->bd, getenv ("amiga_bootargs"), boot_disk);
122 #if defined(CONFIG_AMIGAONEG3SE) && defined(CONFIG_CMD_BSP)
124 boota, 3, 1, do_boota,
125 "boota - boot an Amiga kernel\n",
128 #endif /* _CMD_BOOTA_H */