* Copyright (c) 2008 Nuovation System Designs, LLC
* Grant Erickson <gerickson@nuovations.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
- */
-/*------------------------------------------------------------------------------+
- * This source code is dual-licensed. You may use it under the terms of the
- * GNU General Public License version 2, or under the license below.
- *
- * This source code has been made available to you by IBM on an AS-IS
- * basis. Anyone receiving this source is licensed under IBM
- * copyrights to use it in any way he or she deems fit, including
- * copying it, modifying it, compiling it, and redistributing it either
- * with or without modifications. No license under IBM patents or
- * patent applications is to be implied by the copyright license.
- *
- * Any user of this software should understand that IBM cannot provide
- * technical support for this software and will not be responsible for
- * any consequences resulting from the use of this software.
- *
- * Any person who transfers this source code or any derivative work
- * must include the IBM copyright notice, this paragraph, and the
- * preceding two paragraphs in the transferred software.
- *
- * COPYRIGHT I B M CORPORATION 1995
- * LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
- *-------------------------------------------------------------------------------
+ * SPDX-License-Identifier: GPL-2.0 IBM-pibs
*/
/*
#include <asm/ppc4xx.h>
#include <version.h>
-#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */
-
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
*
* Use r12 to access the GOT
*/
-#if !defined(CONFIG_NAND_SPL)
+#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD)
START_GOT
GOT_ENTRY(_GOT2_TABLE_)
GOT_ENTRY(_FIXUP_TABLE_)
GOT_ENTRY(transfer_to_handler)
GOT_ENTRY(__init_end)
- GOT_ENTRY(__bss_end__)
+ GOT_ENTRY(__bss_end)
GOT_ENTRY(__bss_start)
END_GOT
#endif /* CONFIG_NAND_SPL */
-#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
+#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) && \
+ !defined(CONFIG_SPL_BUILD)
/*
* NAND U-Boot image is started from offset 0
*/
bl _start_440
#endif
+#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
+ /*
+ * This is the entry of the real U-Boot from a board port
+ * that supports SPL booting on the PPC4xx. We only need
+ * to call board_init_f() here. Everything else has already
+ * been done in the SPL u-boot version.
+ */
+ GET_GOT /* initialize GOT access */
+ bl board_init_f /* run 1st part of board init code (in Flash)*/
+ /* NOTREACHED - board_init_f() does not return */
+#endif
+
/*
* 440 Startup -- on reset only the top 4k of the effective
* address space is mapped in by an entry in the instruction
* r3 - 1st arg to board_init(): IMMP pointer
* r4 - 2nd arg to board_init(): boot flag
*/
-#ifndef CONFIG_NAND_SPL
+#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD)
.text
.long 0x27051956 /* U-Boot Magic Number */
.globl version_string
.globl _start
_start:
+#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
+ /*
+ * This is the entry of the real U-Boot from a board port
+ * that supports SPL booting on the PPC4xx. We only need
+ * to call board_init_f() here. Everything else has already
+ * been done in the SPL u-boot version.
+ */
+ GET_GOT /* initialize GOT access */
+ bl board_init_f /* run 1st part of board init code (in Flash)*/
+ /* NOTREACHED - board_init_f() does not return */
+#endif
+
/*****************************************************************************/
#if defined(CONFIG_440)
#ifdef CONFIG_NAND_SPL
bl nand_boot_common /* will not return */
#else
+#ifndef CONFIG_SPL_BUILD
GET_GOT
+#endif
bl cpu_init_f /* run low-level CPU init code (from Flash) */
bl board_init_f
#endif /* CONFIG_440 */
/*****************************************************************************/
-#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
+#if defined(CONFIG_405GP) || \
defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
defined(CONFIG_405EX) || defined(CONFIG_405)
/*----------------------------------------------------------------------- */
#endif /* CONFIG_NAND_SPL */
-#endif /* CONFIG_405GP || CONFIG_405CR || CONFIG_405 || CONFIG_405EP */
+#endif /* CONFIG_405GP || CONFIG_405 || CONFIG_405EP */
/*----------------------------------------------------------------------- */
-#ifndef CONFIG_NAND_SPL
+#if !defined(CONFIG_NAND_SPL) && !defined(CONFIG_SPL_BUILD)
/*
* This code finishes saving the registers to the exception frame
* and jumps to the appropriate handler for the exception.
lwbrx r3,r0,r3
blr
+#if !defined(CONFIG_SPL_BUILD)
/*
* void relocate_code (addr_sp, gd, addr_moni)
*
* Now clear BSS segment
*/
lwz r3,GOT(__bss_start)
- lwz r4,GOT(__bss_end__)
+ lwz r4,GOT(__bss_end)
cmplw 0, r3, r4
beq 7f
mtlr r4 /* restore link register */
blr
+#endif /* CONFIG_SPL_BUILD */
#if defined(CONFIG_440)
/*----------------------------------------------------------------------------+
projects / platform / kernel / u-boot.git / blobdiff