diff options
Diffstat (limited to 'package/uboot-ifxmips/files/lib_bootstrap/bootstrap_board_danube.c')
| -rw-r--r-- | package/uboot-ifxmips/files/lib_bootstrap/bootstrap_board_danube.c | 501 |
1 files changed, 0 insertions, 501 deletions
diff --git a/package/uboot-ifxmips/files/lib_bootstrap/bootstrap_board_danube.c b/package/uboot-ifxmips/files/lib_bootstrap/bootstrap_board_danube.c deleted file mode 100644 index 22f0a5aea..000000000 --- a/package/uboot-ifxmips/files/lib_bootstrap/bootstrap_board_danube.c +++ /dev/null @@ -1,501 +0,0 @@ -/* - * (C) Copyright 2003 - * 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 <common.h> -#include <command.h> -#include <malloc.h> -#include <devices.h> -#include <version.h> -#include <net.h> -#include <environment.h> -#ifdef CONFIG_DANUBE -#include <asm-mips/danube.h> -#include <configs/danube.h> -#endif -#include "LzmaWrapper.h" - -//#define DEBUG_ENABLE_BOOTSTRAP_PRINTF - -DECLARE_GLOBAL_DATA_PTR; - -#if ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < BOOTSTRAP_CFG_MONITOR_BASE) || \ - (CFG_ENV_ADDR >= (BOOTSTRAP_CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \ - defined(CFG_ENV_IS_IN_NVRAM) -#define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE) -#else -#define TOTAL_MALLOC_LEN CFG_MALLOC_LEN -#endif - -#undef DEBUG - -#if (CONFIG_COMMANDS & CFG_CMD_NAND) -extern unsigned long nand_init(void); -#endif - -#ifdef CONFIG_SERIAL_FLASH -extern int serial_flash_init (void); -#endif - -extern int timer_init(void); - -extern int incaip_set_cpuclk(void); - -extern ulong uboot_end_data_bootstrap; -extern ulong uboot_end_bootstrap; - -ulong monitor_flash_len; - -const char version_string[] = - U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")"; - -static char *failed = "*** failed ***\n"; - -/* - * Begin and End of memory area for malloc(), and current "brk" - */ -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 - */ -static void mem_malloc_init (ulong dest_addr) -{ -// ulong dest_addr = BOOTSTRAP_CFG_MONITOR_BASE + gd->reloc_off; - - mem_malloc_end = dest_addr; - mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN; - mem_malloc_brk = mem_malloc_start; - - memset ((void *) mem_malloc_start, - 0, - mem_malloc_end - mem_malloc_start); -} - -void *malloc(unsigned int size) -{ - if(size < (mem_malloc_end - mem_malloc_start)) - { - mem_malloc_start += size; - return (void *)(mem_malloc_start - size); - } - return NULL; -} - -void *realloc(void *src,unsigned int size) -{ - return NULL; -} - -void free(void *src) -{ - return; -} - - -void *sbrk (ptrdiff_t increment) -{ - ulong old = mem_malloc_brk; - ulong new = old + increment; - - if ((new < mem_malloc_start) || (new > mem_malloc_end)) { - return (NULL); - } - mem_malloc_brk = new; - return ((void *) old); -} - - -static int init_func_ram (void) -{ -#ifdef CONFIG_BOARD_TYPES - int board_type = gd->board_type; -#else - int board_type = 0; /* use dummy arg */ -#endif - -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - puts ("DRAM: "); -#endif - - if ((gd->ram_size = initdram (board_type)) > 0) { -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - print_size (gd->ram_size, "\n"); -#endif - return (0); - } -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - puts (failed); -#endif - return (1); -} - -static int display_banner(void) -{ -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf ("\n\n%s\n\n", version_string); -#endif - return (0); -} - -static int init_baudrate (void) -{ -#if 0 - char tmp[64]; /* long enough for environment variables */ - int i = getenv_r ("baudrate", tmp, sizeof (tmp)); - - gd->baudrate = (i > 0) - ? (int) simple_strtoul (tmp, NULL, 10) - : CONFIG_BAUDRATE; -#endif - - gd->baudrate = CONFIG_BAUDRATE; - - return (0); -} -#ifdef CONFIG_DANUBE -static void init_led(void) -{ - - *(unsigned long *)0xBE100B18 |= 0x70; - *(unsigned long *)0xBE100B1C |= 0x70; - *(unsigned long *)0xBE100B20 &= ~0x70; - *(unsigned long *)0xBE100B24 |= 0x70; -#ifdef USE_REFERENCE_BOARD - - *DANUBE_LED_CON1 = 0x00000003; - *DANUBE_LED_CPU0 = 0x0000010; - *DANUBE_LED_CPU1 = 0x00000000; - *DANUBE_LED_AR = 0x00000000; - *DANUBE_LED_CON0 = 0x84000000; - -#else - - *DANUBE_LED_CON1 = 0x00000007; - *DANUBE_LED_CPU0 = 0x00001000; - *DANUBE_LED_CPU1 = 0x00000000; - *DANUBE_LED_AR = 0x00000000; - *DANUBE_LED_CON0 = 0x84000000; - -#endif - -} -#endif -/* - * Breath some life into the board... - * - * The first part of initialization is running from Flash memory; - * its main purpose is to initialize the RAM so that we - * can relocate the monitor code to RAM. - */ - -/* - * All attempts to come up with a "common" initialization sequence - * that works for all boards and architectures failed: some of the - * requirements are just _too_ different. To get rid of the resulting - * mess of board dependend #ifdef'ed code we now make the whole - * initialization sequence configurable to the user. - * - * The requirements for any new initalization function is simple: it - * receives a pointer to the "global data" structure as it's only - * argument, and returns an integer return code, where 0 means - * "continue" and != 0 means "fatal error, hang the system". - */ -typedef int (init_fnc_t) (void); - -init_fnc_t *init_sequence[] = { - //timer_init, - //env_init, /* initialize environment */ -#ifdef CONFIG_INCA_IP - incaip_set_cpuclk, /* set cpu clock according to environment variable */ -#endif -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - init_baudrate, /* initialze baudrate settings */ - serial_init, /* serial communications setup */ - console_init_f, - display_banner, /* say that we are here */ -#endif - init_func_ram, - //checkboard, - NULL, -}; - - -void bootstrap_board_init_f(ulong bootflag) -{ - gd_t gd_data, *id; - bd_t *bd; - init_fnc_t **init_fnc_ptr; - ulong addr, addr_sp, len = (ulong)&uboot_end_bootstrap - BOOTSTRAP_CFG_MONITOR_BASE; - ulong *s; - ulong lzmaImageaddr = 0; -#ifdef CONFIG_PURPLE - void copy_code (ulong); -#endif - - /* Pointer is writable since we allocated a register for it. - */ - gd = &gd_data; - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("": : :"memory"); - - memset ((void *)gd, 0, sizeof (gd_t)); - - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { - if ((*init_fnc_ptr)() != 0) { - hang (); - } - } - - /* - * Now that we have DRAM mapped and working, we can - * relocate the code and continue running from DRAM. - */ - addr = CFG_SDRAM_BASE + gd->ram_size; - - /* We can reserve some RAM "on top" here. - */ - - /* round down to next 4 kB limit. - */ - addr &= ~(4096 - 1); - debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); - - /* Reserve memory for U-Boot code, data & bss - * round down to next 16 kB limit - */ - addr -= len; - addr &= ~(16 * 1024 - 1); - - debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr); - - /* Reserve memory for malloc() arena. - */ - addr_sp = addr - TOTAL_MALLOC_LEN; - debug ("Reserving %dk for malloc() at: %08lx\n", - TOTAL_MALLOC_LEN >> 10, addr_sp); - - /* - * (permanently) allocate a Board Info struct - * and a permanent copy of the "global" data - */ - addr_sp -= sizeof(bd_t); - bd = (bd_t *)addr_sp; - gd->bd = bd; - debug ("Reserving %d Bytes for Board Info at: %08lx\n", - sizeof(bd_t), addr_sp); - - addr_sp -= sizeof(gd_t); - id = (gd_t *)addr_sp; - debug ("Reserving %d Bytes for Global Data at: %08lx\n", - sizeof (gd_t), addr_sp); - - /* Reserve memory for boot params. - */ - addr_sp -= CFG_BOOTPARAMS_LEN; - bd->bi_boot_params = addr_sp; - debug ("Reserving %dk for boot params() at: %08lx\n", - CFG_BOOTPARAMS_LEN >> 10, addr_sp); - - /* - * Finally, we set up a new (bigger) stack. - * - * Leave some safety gap for SP, force alignment on 16 byte boundary - * Clear initial stack frame - */ - addr_sp -= 16; - addr_sp &= ~0xF; - s = (ulong *)addr_sp; - *s-- = 0; - *s-- = 0; - addr_sp = (ulong)s; - debug ("Stack Pointer at: %08lx\n", addr_sp); - - /* - * Save local variables to board info struct - */ - bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */ - bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */ - bd->bi_baudrate = gd->baudrate; /* Console Baudrate */ - - memcpy (id, (void *)gd, sizeof (gd_t)); - - /* On the purple board we copy the code in a special way - * in order to solve flash problems - */ -#ifdef CONFIG_PURPLE - copy_code(addr); -#endif - - lzmaImageaddr = (ulong)&uboot_end_data_bootstrap; - -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf ("\n relocating to address %08x ", addr); -#endif - - bootstrap_relocate_code (addr_sp, id, addr); - - /* NOTREACHED - relocate_code() does not return */ -} -/************************************************************************ - * - * This is the next part if the initialization sequence: we are now - * running from RAM and have a "normal" C environment, i. e. global - * data can be written, BSS has been cleared, the stack size in not - * that critical any more, etc. - * - ************************************************************************ - */ -#define CONFIG_LZMA - -void bootstrap_board_init_r (gd_t *id, ulong dest_addr) -{ - int i; - - ulong addr; - ulong data, len, checksum; - ulong *len_ptr; - image_header_t header; - image_header_t *hdr = &header; - unsigned int destLen; - int (*fn)(); - -#if 1 -#endif - - - - /* initialize malloc() area */ - mem_malloc_init(dest_addr); - -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf("\n Compressed Image at %08x \n ", (BOOTSTRAP_CFG_MONITOR_BASE + ((ulong)&uboot_end_data_bootstrap - dest_addr))); -#endif - - addr = (char *)(BOOTSTRAP_CFG_MONITOR_BASE + ((ulong)&uboot_end_data_bootstrap - dest_addr)); - memmove (&header, (char *)addr, sizeof(image_header_t)); - - if (ntohl(hdr->ih_magic) != IH_MAGIC) { -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf ("Bad Magic Number at address 0x%08lx\n",addr); -#endif - return; - } - - data = (ulong)&header; - len = sizeof(image_header_t); - - checksum = ntohl(hdr->ih_hcrc); - hdr->ih_hcrc = 0; - if (crc32 (0, (char *)data, len) != checksum) { -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf ("Bad Header Checksum\n"); -#endif - return; - } - - data = addr + sizeof(image_header_t); - len = ntohl(hdr->ih_size); - - len_ptr = (ulong *)data; - - - -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf ("Disabling all the interrupts\n"); -#endif - disable_interrupts(); -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf (" Uncompressing UBoot Image ... \n" ); -#endif - - /* - * If we've got less than 4 MB of malloc() space, - * use slower decompression algorithm which requires - * at most 2300 KB of memory. - */ - destLen = 0x0; - -#ifdef CONFIG_BZIP2 - i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load), - 0x400000, (char *)data, len, - CFG_MALLOC_LEN < (4096 * 1024), 0); - if (i != BZ_OK) { -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i); -#endif - return; - } -#endif /* CONFIG_BZIP2 */ - -#ifdef CONFIG_MICROBZIP2 - i = micro_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load), - &destLen, (char *)data, len, - CFG_MALLOC_LEN < (4096 * 1024), 0); - if (i != RETVAL_OK) { -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf ("MICRO_BUNZIP2 ERROR %d - must RESET board to recover\n", i); -#endif - //do_reset (cmdtp, flag, argc, argv); - return; - } -#endif - -#ifdef CONFIG_LZMA -#if 0 - i = lzmaBuffToBuffDecompress ((char*)ntohl(hdr->ih_load), - &destLen, (char *)data, len); -#endif - - i = lzma_inflate ((unsigned char *)data, len, (unsigned char*)ntohl(hdr->ih_load), &destLen); - if (i != LZMA_RESULT_OK) { -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf ("LZMA ERROR %d - must RESET board to recover\n", i); -#endif - //do_reset (cmdtp, flag, argc, argv); - return; - } -#endif - -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - printf (" Uncompression completed successfully with destLen %d\n ",destLen ); -#endif - - fn = ntohl(hdr->ih_load); - - (*fn)(); - - hang (); - -} - -void hang (void) -{ - -#ifdef DEBUG_ENABLE_BOOTSTRAP_PRINTF - puts ("### ERROR ### Please RESET the board ###\n"); -#endif - for (;;); -} |