X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fmicroblaze%2Flib%2Fbootm.c;h=0a286e82c2be8d6e45b559a51cb389b3251f5644;hb=ceff355a5f3038ddb49618d9adc716b0ed978aea;hp=bce4774fe37502aa9e47d413072efc820055d3d8;hpb=ea0364f1bbfed1e3ea711147420875cf338fe77a;p=u-boot

diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
index bce4774fe3..0a286e82c2 100644
--- a/arch/microblaze/lib/bootm.c
+++ b/arch/microblaze/lib/bootm.c
@@ -5,52 +5,86 @@
  * Michal  SIMEK <monstr@monstr.eu>
  * Yasushi SHOJI <yashi@atmark-techno.com>
  *
- * 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
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
 #include <command.h>
+#include <fdt_support.h>
 #include <image.h>
 #include <u-boot/zlib.h>
 #include <asm/byteorder.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+int arch_fixup_fdt(void *blob)
+{
+	return 0;
+}
+
+int do_bootm_linux(int flag, int argc, char * const argv[],
+		   bootm_headers_t *images)
 {
 	/* First parameter is mapped to $r5 for kernel boot args */
-	void	(*theKernel) (char *);
-	char	*commandline = getenv ("bootargs");
+	void	(*thekernel) (char *, ulong, ulong);
+	char	*commandline = env_get("bootargs");
+	ulong	rd_data_start, rd_data_end;
+
+	/*
+	 * allow the PREP bootm subcommand, it is required for bootm to work
+	 */
+	if (flag & BOOTM_STATE_OS_PREP)
+		return 0;
 
 	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
 		return 1;
 
-	theKernel = (void (*)(char *))images->ep;
+	int	ret;
 
-	show_boot_progress (15);
+	char	*of_flat_tree = NULL;
+#if defined(CONFIG_OF_LIBFDT)
+	/* did generic code already find a device tree? */
+	if (images->ft_len)
+		of_flat_tree = images->ft_addr;
+#endif
+
+	thekernel = (void (*)(char *, ulong, ulong))images->ep;
+
+	/* find ramdisk */
+	ret = boot_get_ramdisk(argc, argv, images, IH_ARCH_MICROBLAZE,
+			&rd_data_start, &rd_data_end);
+	if (ret)
+		return 1;
+
+	bootstage_mark(BOOTSTAGE_ID_RUN_OS);
+
+	if (!of_flat_tree && argc > 1)
+		of_flat_tree = (char *)simple_strtoul(argv[1], NULL, 16);
+
+	/* fixup the initrd now that we know where it should be */
+	if (images->rd_start && images->rd_end && of_flat_tree)
+		ret = fdt_initrd(of_flat_tree, images->rd_start,
+				 images->rd_end);
+		if (ret)
+			return 1;
 
 #ifdef DEBUG
-	printf ("## Transferring control to Linux (at address %08lx) ...\n",
-		(ulong) theKernel);
+	printf("## Transferring control to Linux (at address 0x%08lx) ",
+	       (ulong)thekernel);
+	printf("ramdisk 0x%08lx, FDT 0x%08lx...\n",
+	       rd_data_start, (ulong) of_flat_tree);
 #endif
 
-	theKernel (commandline);
+#ifdef XILINX_USE_DCACHE
+	flush_cache(0, XILINX_DCACHE_BYTE_SIZE);
+#endif
+	/*
+	 * Linux Kernel Parameters (passing device tree):
+	 * r5: pointer to command line
+	 * r6: pointer to ramdisk
+	 * r7: pointer to the fdt, followed by the board info data
+	 */
+	thekernel(commandline, rd_data_start, (ulong)of_flat_tree);
 	/* does not return */
 
 	return 1;