X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Fmicroblaze%2Flib%2Fbootm.c;h=c5dfc9ebe8c5a9e062bda89cec8d09cf85d8e95e;hp=9f6d6d660f29493ded1da130469d093e21288430;hb=2cb0e55a3cd737be1d228a9f90b3d34fab0d0d46;hpb=b18815752f3d6db27877606e4e069e3f6cfe3a19

diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
index 9f6d6d660f..c5dfc9ebe8 100644
--- a/arch/microblaze/lib/bootm.c
+++ b/arch/microblaze/lib/bootm.c
@@ -32,13 +32,20 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
+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 *, ulong, ulong);
-	char	*commandline = getenv ("bootargs");
+	void	(*thekernel) (char *, ulong, ulong);
+	char	*commandline = getenv("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;
 
@@ -51,31 +58,35 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
 		of_flat_tree = images->ft_addr;
 #endif
 
-	theKernel = (void (*)(char *, ulong, ulong))images->ep;
+	thekernel = (void (*)(char *, ulong, ulong))images->ep;
 
 	/* find ramdisk */
-	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_MICROBLAZE,
+	ret = boot_get_ramdisk(argc, argv, images, IH_ARCH_MICROBLAZE,
 			&rd_data_start, &rd_data_end);
 	if (ret)
 		return 1;
 
-	show_boot_progress (15);
+	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, 1);
+		if (ret)
+			return 1;
 
-	if (!of_flat_tree && argc > 3)
-		of_flat_tree = (char *)simple_strtoul(argv[3], NULL, 16);
 #ifdef DEBUG
-	printf ("## Transferring control to Linux (at address 0x%08lx) " \
-				"ramdisk 0x%08lx, FDT 0x%08lx...\n",
-		(ulong) theKernel, rd_data_start, (ulong) of_flat_tree);
+	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
 
 #ifdef XILINX_USE_DCACHE
-#ifdef XILINX_DCACHE_BYTE_SIZE
 	flush_cache(0, XILINX_DCACHE_BYTE_SIZE);
-#else
-#warning please rebuild BSPs and update configuration
-	flush_cache(0, 32768);
-#endif
 #endif
 	/*
 	 * Linux Kernel Parameters (passing device tree):
@@ -83,7 +94,7 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
 	 * r6: pointer to ramdisk
 	 * r7: pointer to the fdt, followed by the board info data
 	 */
-	theKernel (commandline, rd_data_start, (ulong) of_flat_tree);
+	thekernel(commandline, rd_data_start, (ulong)of_flat_tree);
 	/* does not return */
 
 	return 1;