Merge branch 'master' of git://git.denx.de/u-boot-nios

examples/standalone/nios.lds

-/*
- * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
- * Scott McNutt <smcnutt@psyent.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
- */
-
-
-OUTPUT_FORMAT("elf32-nios")
-OUTPUT_ARCH(nios)
-ENTRY(_start)
-
-SECTIONS
-{
-	.text :
-	{
-	  *(.text)
-	}
-	__text_end = .;
-
-	. = ALIGN(4);
-	.rodata :
-	{
-		*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
-	}
-	__rodata_end = .;
-
-	. = ALIGN(4);
-	.data :
-	{
-		*(.data)
-	}
-	. = ALIGN(4);
-	__data_end = .;
-
-	__bss_start = .;
-	. = ALIGN(4);
-	.bss (NOLOAD) :
-	{
-		*(.bss)
-	}
-	. = ALIGN(4);
-	__bss_end = .;
-	_end = .;
-}

examples/standalone/nios2.lds

-/*
- * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
- * Scott McNutt <smcnutt@psyent.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
- */
-
-
-OUTPUT_FORMAT("elf32-littlenios2")
-OUTPUT_ARCH(nios2)
-ENTRY(_start)
-
-SECTIONS
-{
-	.text :
-	{
-	  *(.text)
-	  *(.text.*)
-	  *(.gnu.linkonce.t*)
-	  *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
-	  *(.gnu.linkonce.r*)
-	}
-	. = ALIGN (4);
-	_etext = .;
-	PROVIDE (etext = .);
-
-	/* INIT DATA sections - "Small" data (see the gcc -G option)
-	 * is always gp-relative. Here we make all init data sections
-	 * adjacent to simplify the startup code -- and provide
-	 * the global pointer for gp-relative access.
-	 */
-	_data = .;
-	.data :
-	{
-	  *(.data)
-	  *(.data.*)
-	  *(.gnu.linkonce.d*)
-	}
-
-	. = ALIGN(16);
-	_gp = .;			/* Global pointer addr */
-	PROVIDE (gp = .);
-
-	.sdata :
-	{
-	  *(.sdata)
-	  *(.sdata.*)
-	  *(.gnu.linkonce.s.*)
-	}
-	. = ALIGN(4);
-
-	_edata = .;
-	PROVIDE (edata = .);
-
-	/* UNINIT DATA - Small uninitialized data is first so it's
-	 * adjacent to sdata and can be referenced via gp. The normal
-	 * bss follows. We keep it adjacent to simplify init code.
-	 */
-	__bss_start = .;
-	.sbss (NOLOAD) :
-	{
-	  *(.sbss)
-	  *(.sbss.*)
-	  *(.gnu.linkonce.sb.*)
-	  *(.scommon)
-	}
-	. = ALIGN(4);
-	.bss (NOLOAD) :
-	{
-	  *(.bss)
-	  *(.bss.*)
-	  *(.dynbss)
-	  *(COMMON)
-	  *(.scommon)
-	}
-	. = ALIGN(4);
-	_end = .;
-	PROVIDE (end = .);
-
-	/* CMD TABLE - uboot command sections
-	 */
-	. = .;
-	__uboot_cmd_start = .;
-	.u_boot_cmd :
-	{
-	  *(.u_boot_cmd)
-	}
-	. = ALIGN(4);
-	__u_boot_cmd_end = .;
-
-	/* DEBUG -- symbol table, string table, etc. etc.
-	 */
-	.stab 0 : { *(.stab) }
-	.stabstr 0 : { *(.stabstr) }
-	.stab.excl 0 : { *(.stab.excl) }
-	.stab.exclstr 0 : { *(.stab.exclstr) }
-	.stab.index 0 : { *(.stab.index) }
-	.stab.indexstr 0 : { *(.stab.indexstr) }
-	.comment 0 : { *(.comment) }
-	.debug          0 : { *(.debug) }
-	.line           0 : { *(.line) }
-	.debug_srcinfo  0 : { *(.debug_srcinfo) }
-	.debug_sfnames  0 : { *(.debug_sfnames) }
-	.debug_aranges  0 : { *(.debug_aranges) }
-	.debug_pubnames 0 : { *(.debug_pubnames) }
-	.debug_info     0 : { *(.debug_info) }
-	.debug_abbrev   0 : { *(.debug_abbrev) }
-	.debug_line     0 : { *(.debug_line) }
-	.debug_frame    0 : { *(.debug_frame) }
-	.debug_str      0 : { *(.debug_str) }
-	.debug_loc      0 : { *(.debug_loc) }
-	.debug_macinfo  0 : { *(.debug_macinfo) }
-	.debug_weaknames 0 : { *(.debug_weaknames) }
-	.debug_funcnames 0 : { *(.debug_funcnames) }
-	.debug_typenames 0 : { *(.debug_typenames) }
-	.debug_varnames  0 : { *(.debug_varnames) }
-}

lib_nios/config.mk

@@ -24,6 +24,6 @@
 
 CROSS_COMPILE ?= nios-elf-
 
-STANDALONE_LOAD_ADDR = 0x00800000 -L $(gcclibdir)/m32 -T nios.lds
+STANDALONE_LOAD_ADDR = 0x00800000 -L $(gcclibdir)/m32
 
 PLATFORM_CPPFLAGS += -m32 -DCONFIG_NIOS -D__NIOS__ -ffixed-g7 -gstabs

lib_nios2/board.c

@@ -83,8 +83,6 @@ void board_init (void)
 {
 	bd_t *bd;
 	init_fnc_t **init_fnc_ptr;
-	char *s, *e;
-	int i;
 
 	/* Pointer is writable since we allocated a register for it.
 	 * Nios treats CONFIG_SYS_GBL_DATA_OFFSET as an address.

lib_nios2/bootm.c

@@ -24,6 +24,7 @@
 #include <common.h>
 #include <command.h>
 #include <asm/byteorder.h>
+#include <asm/cache.h>
 
 int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 {
@@ -32,6 +33,10 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
 		return 1;
 
+	/* flushes data and instruction caches before calling the kernel */
+	flush_dcache (0,CONFIG_SYS_DCACHE_SIZE);
+	flush_icache (0,CONFIG_SYS_ICACHE_SIZE);
+
 	/* For now we assume the Microtronix linux ... which only
 	 * needs to be called ;-)
 	 */

lib_nios2/config.mk

@@ -24,7 +24,7 @@
 
 CROSS_COMPILE ?= nios2-elf-
 
-STANDALONE_LOAD_ADDR = 0x02000000 -L $(gcclibdir) -T nios2.lds
+STANDALONE_LOAD_ADDR = 0x02000000 -L $(gcclibdir)
 
 PLATFORM_CPPFLAGS += -DCONFIG_NIOS2 -D__NIOS2__
 PLATFORM_CPPFLAGS += -ffixed-r15 -G0