X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=lib_m68k%2Fbootm.c;h=e5ed6eb7cc6201b4a2263564d418f47cd50e7a69;hb=a87426e6dc464839407ee92f133cabf38944b605;hp=c9d2a27155e2925792c4f18e27239dc7dab740c7;hpb=274cea2bddbca10cdad7daa518951b75c44ef6bc;p=u-boot

diff --git a/lib_m68k/bootm.c b/lib_m68k/bootm.c
old mode 100644
new mode 100755
index c9d2a27155..e5ed6eb7cc
--- a/lib_m68k/bootm.c
+++ b/lib_m68k/bootm.c
@@ -24,7 +24,7 @@
 #include <common.h>
 #include <command.h>
 #include <image.h>
-#include <zlib.h>
+#include <u-boot/zlib.h>
 #include <bzlib.h>
 #include <watchdog.h>
 #include <environment.h>
@@ -35,8 +35,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
 #define PHYSADDR(x) x
 
 #define LINUX_MAX_ENVS		256
@@ -44,70 +42,68 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 
 static ulong get_sp (void);
 static void set_clocks_in_mhz (bd_t *kbd);
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 
-void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
-		    int argc, char *argv[],
-		    bootm_headers_t *images)
+void arch_lmb_reserve(struct lmb *lmb)
 {
-	ulong sp, sp_limit, alloc_current;
-
-	ulong rd_data_start, rd_data_end, rd_len;
-	ulong initrd_start, initrd_end;
-	int ret;
-
-	ulong cmd_start, cmd_end;
-	bd_t  *kbd;
-	ulong ep = 0;
-	void  (*kernel) (bd_t *, ulong, ulong, ulong, ulong);
+	ulong sp;
 
 	/*
 	 * 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
+	 * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused
 	 * memory, which means far enough below the current stack
 	 * pointer.
 	 */
 	sp = get_sp();
 	debug ("## Current stack ends at 0x%08lx ", sp);
 
-	alloc_current = sp_limit = get_boot_sp_limit(sp);
-	debug ("=> set upper limit to 0x%08lx\n", sp_limit);
+	/* adjust sp by 1K to be safe */
+	sp -= 1024;
+	lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp));
+}
+
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+	ulong rd_len;
+	ulong initrd_start, initrd_end;
+	int ret;
+
+	ulong cmd_start, cmd_end;
+	ulong bootmap_base;
+	bd_t  *kbd;
+	void  (*kernel) (bd_t *, ulong, ulong, ulong, ulong);
+	struct lmb *lmb = &images->lmb;
+
+	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+		return 1;
+
+	bootmap_base = getenv_bootm_low();
 
 	/* allocate space and init command line */
-	alloc_current = get_boot_cmdline (alloc_current, &cmd_start, &cmd_end);
+	ret = boot_get_cmdline (lmb, &cmd_start, &cmd_end, bootmap_base);
+	if (ret) {
+		puts("ERROR with allocation of cmdline\n");
+		goto error;
+	}
 
 	/* allocate space for kernel copy of board info */
-	alloc_current = get_boot_kbd (alloc_current, &kbd);
-	set_clocks_in_mhz(kbd);
-
-	/* find kernel entry point */
-	if (images->legacy_hdr_valid) {
-		ep = image_get_ep (images->legacy_hdr_os);
-#if defined(CONFIG_FIT)
-	} else if (images->fit_uname_os) {
-		fit_unsupported_reset ("M68K linux bootm");
-		do_reset (cmdtp, flag, argc, argv);
-#endif
-	} else {
-		puts ("Could not find kernel entry point!\n");
-		do_reset (cmdtp, flag, argc, argv);
+	ret = boot_get_kbd (lmb, &kbd, bootmap_base);
+	if (ret) {
+		puts("ERROR with allocation of kernel bd\n");
+		goto error;
 	}
-	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))ep;
+	set_clocks_in_mhz(kbd);
 
-	/* find ramdisk */
-	ret = get_ramdisk (cmdtp, flag, argc, argv, images,
-			IH_ARCH_M68K, &rd_data_start, &rd_data_end);
+	kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))images->ep;
 
+	rd_len = images->rd_end - images->rd_start;
+	ret = boot_ramdisk_high (lmb, images->rd_start, rd_len,
+			&initrd_start, &initrd_end);
 	if (ret)
 		goto error;
 
-	rd_len = rd_data_end - rd_data_start;
-	alloc_current = ramdisk_high (alloc_current, rd_data_start, rd_len,
-			sp_limit, get_sp (), &initrd_start, &initrd_end);
-
 	debug("## Transferring control to Linux (at address %08lx) ...\n",
 	      (ulong) kernel);
 
@@ -115,19 +111,17 @@ void do_bootm_linux(cmd_tbl_t * cmdtp, int flag,
 
 	/*
 	 * 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
+	 *   sp+00: Ignore, side effect of using jsr to jump to kernel
+	 *   sp+04: ptr to board info data
+	 *   sp+08: initrd_start or 0 if no initrd
+	 *   sp+12: initrd_end - unused if initrd_start is 0
+	 *   sp+16: Start of command line string
+	 *   sp+20: End   of command line string
 	 */
 	(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
 	/* does not return */
-	return ;
-
 error:
-	do_reset (cmdtp, flag, argc, argv);
-	return ;
+	return 1;
 }
 
 static ulong get_sp (void)