X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=lib_microblaze%2Fboard.c;h=1a426400ecd7b29273883a04f8ef75fc43631e8f;hb=5f58f8d20f97deaf4dde7eb3886efa3e5a3715ee;hp=026d247e54ad8a36a1b5ebf53ab6a5539583b8b5;hpb=b86d7622b33892b1dafe761a7a9eaeeab9f3816b;p=oweals%2Fu-boot.git diff --git a/lib_microblaze/board.c b/lib_microblaze/board.c index 026d247e54..1a426400ec 100644 --- a/lib_microblaze/board.c +++ b/lib_microblaze/board.c @@ -1,6 +1,8 @@ /* + * (C) Copyright 2007 Michal Simek * (C) Copyright 2004 Atmark Techno, Inc. * + * Michal SIMEK * Yasushi SHOJI * * See file CREDITS for list of people who contributed to this @@ -13,7 +15,7 @@ * * 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 + * 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 @@ -25,13 +27,24 @@ #include #include #include +#include #include #include DECLARE_GLOBAL_DATA_PTR; -const char version_string[] = - U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")"; +const char version_string[] = U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME")"; + +#ifdef CONFIG_SYS_GPIO_0 +extern int gpio_init (void); +#endif +#ifdef CONFIG_SYS_INTC_0 +extern int interrupts_init (void); +#endif +#if defined(CONFIG_CMD_NET) +extern int eth_init (bd_t * bis); +extern int getenv_IPaddr (char *); +#endif /* * Begin and End of memory area for malloc(), and current "brk" @@ -40,6 +53,18 @@ static ulong mem_malloc_start; static ulong mem_malloc_end; static ulong mem_malloc_brk; +/* + * The Malloc area is immediately below the monitor copy in DRAM + * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off + * as our monitory code is run from SDRAM + */ +static void mem_malloc_init (void) +{ + mem_malloc_end = (CONFIG_SYS_MALLOC_BASE + CONFIG_SYS_MALLOC_LEN); + mem_malloc_start = CONFIG_SYS_MALLOC_BASE; + mem_malloc_brk = mem_malloc_start; + memset ((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start); +} void *sbrk (ptrdiff_t increment) { @@ -50,7 +75,7 @@ void *sbrk (ptrdiff_t increment) return (NULL); } mem_malloc_brk = new; - return ((void *) old); + return ((void *)old); } /* @@ -68,24 +93,41 @@ void *sbrk (ptrdiff_t increment) typedef int (init_fnc_t) (void); init_fnc_t *init_sequence[] = { - serial_init, /* serial communications setup */ + env_init, + serial_init, +#ifdef CONFIG_SYS_GPIO_0 + gpio_init, +#endif +#ifdef CONFIG_SYS_INTC_0 + interrupts_init, +#endif NULL, }; -void board_init(void) +void board_init (void) { bd_t *bd; init_fnc_t **init_fnc_ptr; - - /* Pointer is writable since we allocated a register for it. */ - gd = (gd_t *)CFG_GBL_DATA_OFFSET; - memset((void *)gd, 0, CFG_GBL_DATA_SIZE); - - gd->bd = (bd_t *)(gd+1); /* At end of global data */ + gd = (gd_t *) CONFIG_SYS_GBL_DATA_OFFSET; +#if defined(CONFIG_CMD_FLASH) + ulong flash_size = 0; +#endif +#if defined(CONFIG_CMD_NET) + char *s, *e; + int i; +#endif + asm ("nop"); /* FIXME gd is not initialize - wait */ + memset ((void *)gd, 0, CONFIG_SYS_GBL_DATA_SIZE); + gd->bd = (bd_t *) (gd + 1); /* At end of global data */ gd->baudrate = CONFIG_BAUDRATE; - bd = gd->bd; bd->bi_baudrate = CONFIG_BAUDRATE; + bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; + bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; + gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ + + /* Initialise malloc() area */ + mem_malloc_init (); for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { WATCHDOG_RESET (); @@ -94,6 +136,51 @@ void board_init(void) } } + puts ("SDRAM :\n"); + printf ("\t\tIcache:%s\n", icache_status() ? "OK" : "FAIL"); + printf ("\t\tDcache:%s\n", dcache_status() ? "OK" : "FAIL"); + printf ("\tU-Boot Start:0x%08x\n", TEXT_BASE); + +#if defined(CONFIG_CMD_FLASH) + puts ("FLASH: "); + bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; + if (0 < (flash_size = flash_init ())) { + bd->bi_flashsize = flash_size; + bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + flash_size; +# ifdef CONFIG_SYS_FLASH_CHECKSUM + print_size (flash_size, ""); + /* + * Compute and print flash CRC if flashchecksum is set to 'y' + * + * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX + */ + s = getenv ("flashchecksum"); + if (s && (*s == 'y')) { + printf (" CRC: %08X", + crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size) + ); + } + putc ('\n'); +# else /* !CONFIG_SYS_FLASH_CHECKSUM */ + print_size (flash_size, "\n"); +# endif /* CONFIG_SYS_FLASH_CHECKSUM */ + } else { + puts ("Flash init FAILED"); + bd->bi_flashstart = 0; + bd->bi_flashsize = 0; + bd->bi_flashoffset = 0; + } +#endif + +#if defined(CONFIG_CMD_NET) + /* IP Address */ + bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); + eth_init (bd); +#endif + + /* relocate environment function pointers etc. */ + env_relocate (); + /* main_loop */ for (;;) { WATCHDOG_RESET (); @@ -104,5 +191,5 @@ void board_init(void) void hang (void) { puts ("### ERROR ### Please RESET the board ###\n"); - for (;;); + for (;;) ; }