[new uImage] Move PPC do_bootm_linux() to lib_ppc/ppc_linux.c

PPC implementation of do_bootm_linux() routine is moved to
a dedicated file lib_ppc/ppc_linux.c

Signed-off-by: Marian Balakowicz <m8@semihalf.com>

1 files changed, 1 insertions, 542 deletions

diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index be8589d..e61a304 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -58,14 +58,6 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 #include <hush.h>
 #endif
 
-#ifdef CFG_INIT_RAM_LOCK
-#include <asm/cache.h>
-#endif
-
-#ifdef CONFIG_LOGBUFFER
-#include <logbuff.h>
-#endif
-
 #ifdef CONFIG_HAS_DATAFLASH
 #include <dataflash.h>
 #endif
@@ -112,15 +104,8 @@ typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
 			  ulong	*len_ptr,	/* multi-file image length table */
 			  int	verify);	/* getenv("verify")[0] != 'n' */
 
-#ifdef	DEBUG
-extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-#endif
-
-#ifdef CONFIG_PPC
-static boot_os_Fcn do_bootm_linux;
-#else
 extern boot_os_Fcn do_bootm_linux;
-#endif
+
 #ifdef CONFIG_SILENT_CONSOLE
 static void fixup_silent_linux (void);
 #endif
@@ -475,532 +460,6 @@ fixup_silent_linux ()
 }
 #endif /* CONFIG_SILENT_CONSOLE */
 
-#ifdef CONFIG_PPC
-static void  __attribute__((noinline))
-do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
-		int	argc, char *argv[],
-		ulong	addr,
-		ulong	*len_ptr,
-		int	verify)
-{
-	ulong	sp;
-	ulong	len;
-	ulong	initrd_start, initrd_end;
-	ulong	cmd_start, cmd_end;
-	ulong	initrd_high;
-	ulong	data;
-	int	initrd_copy_to_ram = 1;
-	char    *cmdline;
-	char	*s;
-	bd_t	*kbd;
-	void	(*kernel)(bd_t *, ulong, ulong, ulong, ulong);
-	image_header_t *hdr = &header;
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
-	char	*of_flat_tree = NULL;
-	ulong	of_data = 0;
-#endif
-
-	if ((s = getenv ("initrd_high")) != NULL) {
-		/* a value of "no" or a similar string will act like 0,
-		 * turning the "load high" feature off. This is intentional.
-		 */
-		initrd_high = simple_strtoul(s, NULL, 16);
-		if (initrd_high == ~0)
-			initrd_copy_to_ram = 0;
-	} else {	/* not set, no restrictions to load high */
-		initrd_high = ~0;
-	}
-
-#ifdef CONFIG_LOGBUFFER
-	kbd=gd->bd;
-	/* Prevent initrd from overwriting logbuffer */
-	if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
-		initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
-	debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
-#endif
-
-	/*
-	 * Booting a (Linux) kernel image
-	 *
-	 * Allocate space for command line and board info - the
-	 * address should be as high as possible within the reach of
-	 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
-	 * memory, which means far enough below the current stack
-	 * pointer.
-	 */
-
-	asm( "mr %0,1": "=r"(sp) : );
-
-	debug ("## Current stack ends at 0x%08lX ", sp);
-
-	sp -= 2048;		/* just to be sure */
-	if (sp > CFG_BOOTMAPSZ)
-		sp = CFG_BOOTMAPSZ;
-	sp &= ~0xF;
-
-	debug ("=> set upper limit to 0x%08lX\n", sp);
-
-	cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
-	kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
-
-	if ((s = getenv("bootargs")) == NULL)
-		s = "";
-
-	strcpy (cmdline, s);
-
-	cmd_start    = (ulong)&cmdline[0];
-	cmd_end      = cmd_start + strlen(cmdline);
-
-	*kbd = *(gd->bd);
-
-#ifdef	DEBUG
-	printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
-
-	do_bdinfo (NULL, 0, 0, NULL);
-#endif
-
-	if ((s = getenv ("clocks_in_mhz")) != NULL) {
-		/* convert all clock information to MHz */
-		kbd->bi_intfreq /= 1000000L;
-		kbd->bi_busfreq /= 1000000L;
-#if defined(CONFIG_MPC8220)
-	kbd->bi_inpfreq /= 1000000L;
-	kbd->bi_pcifreq /= 1000000L;
-	kbd->bi_pevfreq /= 1000000L;
-	kbd->bi_flbfreq /= 1000000L;
-	kbd->bi_vcofreq /= 1000000L;
-#endif
-#if defined(CONFIG_CPM2)
-		kbd->bi_cpmfreq /= 1000000L;
-		kbd->bi_brgfreq /= 1000000L;
-		kbd->bi_sccfreq /= 1000000L;
-		kbd->bi_vco     /= 1000000L;
-#endif
-#if defined(CONFIG_MPC5xxx)
-		kbd->bi_ipbfreq /= 1000000L;
-		kbd->bi_pcifreq /= 1000000L;
-#endif /* CONFIG_MPC5xxx */
-	}
-
-	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))image_get_ep (hdr);
-
-	/*
-	 * Check if there is an initrd image
-	 */
-
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
-	/* Look for a '-' which indicates to ignore the ramdisk argument */
-	if (argc >= 3 && strcmp(argv[2], "-") ==  0) {
-			debug ("Skipping initrd\n");
-			len = data = 0;
-		}
-	else
-#endif
-	if (argc >= 3) {
-		debug ("Not skipping initrd\n");
-		show_boot_progress (9);
-
-		addr = simple_strtoul(argv[2], NULL, 16);
-
-		printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
-		hdr = (image_header_t *)addr;
-
-		if (!image_check_magic (hdr)) {
-			puts ("Bad Magic Number\n");
-			show_boot_progress (-10);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		if (!image_check_hcrc (hdr)) {
-			puts ("Bad Header Checksum\n");
-			show_boot_progress (-11);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-		show_boot_progress (10);
-
-		print_image_hdr (hdr);
-
-		if (verify) {
-			puts ("   Verifying Checksum ... ");
-
-			if (!image_check_dcrc_wd (hdr, CHUNKSZ)) {
-				puts ("Bad Data CRC\n");
-				show_boot_progress (-12);
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			puts ("OK\n");
-		}
-
-		show_boot_progress (11);
-
-		if (!image_check_os (hdr, IH_OS_LINUX) ||
-		    !image_check_arch (hdr, IH_ARCH_PPC) ||
-		    !image_check_type (hdr, IH_TYPE_RAMDISK)) {
-			puts ("No Linux PPC Ramdisk Image\n");
-			show_boot_progress (-13);
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-		data = image_get_data (hdr);
-		len = image_get_data_size (hdr);
-
-		/*
-		 * Now check if we have a multifile image
-		 */
-	} else if (image_check_type (hdr, IH_TYPE_MULTI) && (len_ptr[1])) {
-		u_long tail    = image_to_cpu (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 += image_to_cpu (len_ptr[0]);
-		if (tail) {
-			data += 4 - tail;
-		}
-
-		len   = image_to_cpu (len_ptr[1]);
-
-	} else {
-		/*
-		 * no initrd image
-		 */
-		show_boot_progress (14);
-
-		len = data = 0;
-	}
-
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
-	if(argc > 3) {
-		of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
-		hdr = (image_header_t *)of_flat_tree;
-#if defined(CONFIG_OF_FLAT_TREE)
-		if (*((ulong *)(of_flat_tree + image_get_header_size ())) != OF_DT_HEADER) {
-#else
-		if (fdt_check_header (of_flat_tree + image_get_header_size ()) != 0) {
-#endif
-#ifndef CFG_NO_FLASH
-			if (addr2info((ulong)of_flat_tree) != NULL)
-				of_data = (ulong)of_flat_tree;
-#endif
-		} else if (image_check_magic (hdr)) {
-			printf("## Flat Device Tree at %08lX\n", hdr);
-			print_image_hdr (hdr);
-
-			if ((image_get_load (hdr) <  ((unsigned long)hdr + image_get_image_size (hdr))) &&
-			   ((image_get_load (hdr) + image_get_data_size (hdr)) > (unsigned long)hdr)) {
-				puts ("ERROR: fdt overwritten - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-
-			puts ("   Verifying Checksum ... ");
-			if (!image_check_hcrc (hdr)) {
-				puts ("ERROR: fdt header checksum invalid - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-
-			if (!image_check_dcrc (hdr)) {
-				puts ("ERROR: fdt checksum invalid - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			puts ("OK\n");
-
-			if (!image_check_type (hdr, IH_TYPE_FLATDT)) {
-				puts ("ERROR: uImage is not a fdt - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-			if (image_get_comp (hdr) != IH_COMP_NONE) {
-				puts ("ERROR: uImage is compressed - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-#if defined(CONFIG_OF_FLAT_TREE)
-			if (*((ulong *)(of_flat_tree + image_get_header_size ())) != OF_DT_HEADER) {
-#else
-			if (fdt_check_header (of_flat_tree + image_get_header_size ()) != 0) {
-#endif
-				puts ("ERROR: uImage data is not a fdt - "
-					"must RESET the board to recover.\n");
-				do_reset (cmdtp, flag, argc, argv);
-			}
-
-			memmove ((void *)image_get_load (hdr),
-				(void *)(of_flat_tree + image_get_header_size ()),
-				image_get_data_size (hdr));
-
-			of_flat_tree = (char *)image_get_load (hdr);
-		} else {
-			puts ("Did not find a flat Flat Device Tree.\n"
-				"Must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-		printf ("   Booting using the fdt at 0x%x\n",
-				of_flat_tree);
-	} else if (image_check_type (hdr, IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
-		u_long tail    = image_to_cpu (len_ptr[0]) % 4;
-		int i;
-
-		/* skip kernel length, initrd length, and terminator */
-		of_flat_tree = (char *)(&len_ptr[3]);
-		/* skip any additional image length fields */
-		for (i=2; len_ptr[i]; ++i)
-			of_flat_tree += 4;
-		/* add kernel length, and align */
-		of_flat_tree += image_to_cpu (len_ptr[0]);
-		if (tail) {
-			of_flat_tree += 4 - tail;
-		}
-
-		/* add initrd length, and align */
-		tail = image_to_cpu (len_ptr[1]) % 4;
-		of_flat_tree += image_to_cpu (len_ptr[1]);
-		if (tail) {
-			of_flat_tree += 4 - tail;
-		}
-
-#ifndef CFG_NO_FLASH
-		/* move the blob if it is in flash (set of_data to !null) */
-		if (addr2info ((ulong)of_flat_tree) != NULL)
-			of_data = (ulong)of_flat_tree;
-#endif
-
-
-#if defined(CONFIG_OF_FLAT_TREE)
-		if (*((ulong *)(of_flat_tree)) != OF_DT_HEADER) {
-#else
-		if (fdt_check_header (of_flat_tree) != 0) {
-#endif
-			puts ("ERROR: image is not a fdt - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-
-#if defined(CONFIG_OF_FLAT_TREE)
-		if (((struct boot_param_header *)of_flat_tree)->totalsize !=
-			image_to_cpu (len_ptr[2])) {
-#else
-		if (be32_to_cpu (fdt_totalsize (of_flat_tree)) !=
-			image_to_cpu (len_ptr[2])) {
-#endif
-			puts ("ERROR: fdt size != image size - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-	}
-#endif
-	if (!data) {
-		debug ("No initrd\n");
-	}
-
-	if (data) {
-	    if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
-		initrd_start = data;
-		initrd_end = initrd_start + len;
-	    } else {
-		initrd_start  = (ulong)kbd - len;
-		initrd_start &= ~(4096 - 1);	/* align on page */
-
-		if (initrd_high) {
-			ulong nsp;
-
-			/*
-			 * the inital ramdisk does not need to be within
-			 * CFG_BOOTMAPSZ as it is not accessed until after
-			 * the mm system is initialised.
-			 *
-			 * do the stack bottom calculation again and see if
-			 * the initrd will fit just below the monitor stack
-			 * bottom without overwriting the area allocated
-			 * above for command line args and board info.
-			 */
-			asm( "mr %0,1": "=r"(nsp) : );
-			nsp -= 2048;		/* just to be sure */
-			nsp &= ~0xF;
-			if (nsp > initrd_high)	/* limit as specified */
-				nsp = initrd_high;
-			nsp -= len;
-			nsp &= ~(4096 - 1);	/* align on page */
-			if (nsp >= sp)
-				initrd_start = nsp;
-		}
-
-		show_boot_progress (12);
-
-		debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
-			data, data + len - 1, len, len);
-
-		initrd_end    = initrd_start + len;
-		printf ("   Loading Ramdisk to %08lx, end %08lx ... ",
-			initrd_start, initrd_end);
-#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
-		{
-			size_t l = len;
-			void *to = (void *)initrd_start;
-			void *from = (void *)data;
-
-			while (l > 0) {
-				size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
-				WATCHDOG_RESET();
-				memmove (to, from, tail);
-				to += tail;
-				from += tail;
-				l -= tail;
-			}
-		}
-#else	/* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
-		memmove ((void *)initrd_start, (void *)data, len);
-#endif	/* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
-		puts ("OK\n");
-	    }
-	} else {
-		initrd_start = 0;
-		initrd_end = 0;
-	}
-
-#if defined(CONFIG_OF_LIBFDT)
-
-#ifdef CFG_BOOTMAPSZ
-	/*
-	 * The blob must be within CFG_BOOTMAPSZ,
-	 * so we flag it to be copied if it is not.
-	 */
-	if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
-		of_data = (ulong)of_flat_tree;
-#endif
-
-	/* move of_flat_tree if needed */
-	if (of_data) {
-		int err;
-		ulong of_start, of_len;
-
-		of_len = be32_to_cpu(fdt_totalsize(of_data));
-
-		/* position on a 4K boundary before the kbd */
-		of_start  = (ulong)kbd - of_len;
-		of_start &= ~(4096 - 1);	/* align on page */
-		debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
-			of_data, of_data + of_len - 1, of_len, of_len);
-
-		of_flat_tree = (char *)of_start;
-		printf ("   Loading Device Tree to %08lx, end %08lx ... ",
-			of_start, of_start + of_len - 1);
-		err = fdt_open_into((void *)of_data, (void *)of_start, of_len);
-		if (err != 0) {
-			puts ("ERROR: fdt move failed - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-		puts ("OK\n");
-	}
-	/*
-	 * Add the chosen node if it doesn't exist, add the env and bd_t
-	 * if the user wants it (the logic is in the subroutines).
-	 */
-	if (of_flat_tree) {
-		if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
-			puts ("ERROR: /chosen node create failed - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-#ifdef CONFIG_OF_HAS_UBOOT_ENV
-		if (fdt_env(of_flat_tree) < 0) {
-			puts ("ERROR: /u-boot-env node create failed - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-#endif
-#ifdef CONFIG_OF_HAS_BD_T
-		if (fdt_bd_t(of_flat_tree) < 0) {
-			puts ("ERROR: /bd_t node create failed - "
-				"must RESET the board to recover.\n");
-			do_reset (cmdtp, flag, argc, argv);
-		}
-#endif
-#ifdef CONFIG_OF_BOARD_SETUP
-		/* Call the board-specific fixup routine */
-		ft_board_setup(of_flat_tree, gd->bd);
-#endif
-	}
-#endif /* CONFIG_OF_LIBFDT */
-#if defined(CONFIG_OF_FLAT_TREE)
-#ifdef CFG_BOOTMAPSZ
-	/*
-	 * The blob must be within CFG_BOOTMAPSZ,
-	 * so we flag it to be copied if it is not.
-	 */
-	if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
-		of_data = (ulong)of_flat_tree;
-#endif
-
-	/* move of_flat_tree if needed */
-	if (of_data) {
-		ulong of_start, of_len;
-		of_len = ((struct boot_param_header *)of_data)->totalsize;
-
-		/* provide extra 8k pad */
-		of_start  = (ulong)kbd - of_len - 8192;
-		of_start &= ~(4096 - 1);	/* align on page */
-		debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
-			of_data, of_data + of_len - 1, of_len, of_len);
-
-		of_flat_tree = (char *)of_start;
-		printf ("   Loading Device Tree to %08lx, end %08lx ... ",
-			of_start, of_start + of_len - 1);
-		memmove ((void *)of_start, (void *)of_data, of_len);
-		puts ("OK\n");
-	}
-	/*
-	 * Create the /chosen node and modify the blob with board specific
-	 * values as needed.
-	 */
-	ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
-	/* ft_dump_blob(of_flat_tree); */
-#endif
-	debug ("## Transferring control to Linux (at address %08lx) ...\n",
-		(ulong)kernel);
-
-	show_boot_progress (15);
-
-#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
-	unlock_ram_in_cache();
-#endif
-
-#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
-	if (of_flat_tree) {	/* device tree; boot new style */
-		/*
-		 * Linux Kernel Parameters (passing device tree):
-		 *   r3: pointer to the fdt, followed by the board info data
-		 *   r4: physical pointer to the kernel itself
-		 *   r5: NULL
-		 *   r6: NULL
-		 *   r7: NULL
-		 */
-		(*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
-		/* does not return */
-	}
-#endif
-	/*
-	 * Linux Kernel Parameters (passing board info data):
-	 *   r3: ptr to board info data
-	 *   r4: initrd_start or 0 if no initrd
-	 *   r5: initrd_end - unused if r4 is 0
-	 *   r6: Start of command line string
-	 *   r7: End   of command line string
-	 */
-	(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
-	/* does not return */
-}
-#endif /* CONFIG_PPC */
-
 static void
 do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
 		int	argc, char *argv[],