1 files changed, 501 insertions, 0 deletions
diff --git a/target/linux/ifxmips/image/u-boot/files/lib_bootstrap/bootstrap_board_danube.c b/target/linux/ifxmips/image/u-boot/files/lib_bootstrap/bootstrap_board_danube.c
new file mode 100644
index 0000000000..22f0a5aea8
--- /dev/null
+++ b/target/linux/ifxmips/image/u-boot/files/lib_bootstrap/bootstrap_board_danube.c
@@ -0,0 +1,501 @@
+/*
+ * (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 (;;);
+}