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Patches by Yasushi Shoji, 29 Jun 2004:

Browse Source 
- add empty include/asm-microblaze/processor.h
- add to CREDITS and MAINTAINERS
- add gd initialization
- add MicroBlaze and SUZAKU board to MAKEALL script
- add reset support for SUZAKU
- add flush_cache() for MicroBlaze
- add CFG_FLASH_SIZE to include/configs/suzaku.h since we have fixed
  size flash memory on SUZAKU
This commit is contained in:
wdenk 2004-07-10 23:48:41 +00:00
parent fabd46acff
commit 857cad37a4
15 changed files with 102 additions and 7 deletions
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10
CHANGELOG
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@ -2,6 +2,16 @@
Changes since U-Boot 1.1.1:
======================================================================
* Patches by Yasushi Shoji, 29 Jun 2004:
- add empty include/asm-microblaze/processor.h
- add to CREDITS and MAINTAINERS
- add gd initialization
- add MicroBlaze and SUZAKU board to MAKEALL script
- add reset support for SUZAKU
- add flush_cache() for MicroBlaze
- add CFG_FLASH_SIZE to include/configs/suzaku.h since we have fixed
size flash memory on SUZAKU
* Patch by Prakash Kumar, 27 Jun 2004:
Add support for the PXA250 based Intrinsyc Cerf board.

4
CREDITS
View File

@ -348,6 +348,10 @@ N: Robert Schwebel
E: r.schwebel@pengutronix.de
D: Support for csb226, logodl and innokom boards (PXA2xx)
N: Yasushi Shoji
E: yashi@atmark-techno.com
D: Support for Xilinx MicroBlaze, for Atmark Techno SUZAKU FPGA board
N: Kurt Stremerch
E: kurt@exys.be
D: Support for Exys XSEngine board

11
MAINTAINERS
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@ -424,6 +424,17 @@ Scott McNutt <smcnutt@psyent.com>
DK1C20 Nios-32
#########################################################################
# MicroBlaze Systems: #
# #
# Maintainer Name, Email Address #
# Board CPU #
#########################################################################
Yasushi Shoji <yashi@atmark-techno.com>
SUZAKU MicroBlaze
#########################################################################
# End of MAINTAINERS list #
#########################################################################

7
MAKEALL
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@ -187,6 +187,12 @@ LIST_nios=" \
DK1S10 DK1S10_standard_32 DK1S10_mtx_ldk_20 \
"
#########################################################################
## MicroBlaze Systems
#########################################################################
LIST_microblaze="suzaku"
#-----------------------------------------------------------------------
#----- for now, just run PPC by default -----
@ -211,6 +217,7 @@ do
case "$arg" in
ppc|5xx|5xxx|8xx|824x|8260|85xx|4xx|7xx|74xx| \
arm|SA|ARM7|ARM9|pxa|ixp| \
microblaze| \
mips| \
nios| \
x86|I486)

2
README
View File

@ -242,7 +242,7 @@ The following options need to be configured:
MicroBlaze based CPUs:
----------------------
CONFIG_MICROBLZE
CONFIG_MICROBLAZE
- Board Type: Define exactly one of

5
board/AtmarkTechno/suzaku/suzaku.c
View File

@ -22,8 +22,11 @@
* MA 02111-1307 USA
*/
#include <common.h>
/* This is a board specific file. It's OK to include board specific
* header files */
#include <asm/suzaku.h>
void do_reset(void)
{
*((unsigned long *)(MICROBLAZE_SYSREG_BASE_ADDR)) = MICROBLAZE_SYSREG_RECONFIGURE;
}

2
drivers/serial_xuartlite.c
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@ -24,7 +24,7 @@
#include <config.h>
#ifdef CONFIG_MICROBLZE
#ifdef CONFIG_MICROBLAZE
#include <asm/serial_xuartlite.h>

2
examples/stubs.c
View File

@ -98,7 +98,7 @@ gd_t *global_data;
" move.l (%%a0), %%a0\n" \
" jmp (%%a0)\n" \
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "a0");
#elif defined(CONFIG_MICROBLZE)
#elif defined(CONFIG_MICROBLAZE)
/*
* r31 holds the pointer to the global_data. r5 is a call-clobbered.
*/

1
include/asm-microblaze/processor.h Normal file
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@ -0,0 +1 @@
/* FIXME: Implement this! */

4
include/asm-microblaze/suzaku.h
View File

@ -22,4 +22,6 @@
* MA 02111-1307 USA
*/
/* EMPTY FILE */
/* System Register (GPIO) */
#define MICROBLAZE_SYSREG_BASE_ADDR 0xFFFFA000
#define MICROBLAZE_SYSREG_RECONFIGURE (1 << 0)

13
include/configs/suzaku.h
View File

@ -36,7 +36,7 @@
* (easy to change)
*/
#define CONFIG_MICROBLZE 1 /* This is an MicroBlaze CPU */
#define CONFIG_MICROBLAZE 1 /* This is an MicroBlaze CPU */
#define CONFIG_SUZAKU 1 /* on an SUZAKU Board */
/*-----------------------------------------------------------------------
@ -47,6 +47,7 @@
#define CFG_SDRAM_BASE 0x80000000
#define CFG_SDRAM_SIZE 0x01000000
#define CFG_FLASH_BASE 0xfff00000
#define CFG_FLASH_SIZE 0x00400000
#define CFG_RESET_ADDRESS 0xfff00100
#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
#define CFG_MONITOR_BASE (CFG_SDRAM_BASE + CFG_SDRAM_SIZE - (1024 * 1024))
@ -87,4 +88,14 @@
#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CFG_INIT_RAM_ADDR 0x80000000 /* inside of SDRAM */
#define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
#endif /* __CONFIG_H */

2
lib_microblaze/Makefile
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@ -27,7 +27,7 @@ LIB = lib$(ARCH).a
AOBJS =
COBJS = board.o microblaze_linux.o time.o
COBJS = board.o microblaze_linux.o time.o cache.o
OBJS = $(AOBJS) $(COBJS)

13
lib_microblaze/board.c
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@ -72,8 +72,21 @@ init_fnc_t *init_sequence[] = {
void board_init(void)
{
DECLARE_GLOBAL_DATA_PTR;
bd_t *bd;
init_fnc_t **init_fnc_ptr;
/* Pointer is writable since we allocated a register for it. */
gd = (gd_t *)CFG_GBL_DATA_OFFSET;
memset((void *)gd, 0, CFG_GBL_DATA_SIZE);
gd->bd = (bd_t *)(gd+1); /* At end of global data */
gd->baudrate = CONFIG_BAUDRATE;
bd = gd->bd;
bd->bi_baudrate = CONFIG_BAUDRATE;
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
WATCHDOG_RESET ();
if ((*init_fnc_ptr) () != 0) {

31
lib_microblaze/cache.c Normal file
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@ -0,0 +1,31 @@
/*
* (C) Copyright 2004 Atmark Techno, Inc.
*
* 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
*/
#include <common.h>
void flush_cache (ulong addr, ulong size)
{
/* MicroBlaze have write thruough cache. nothing to do. */
return;
}

2
microblaze_config.mk
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@ -22,6 +22,8 @@
# MA 02111-1307 USA
#
PLATFORM_CPPFLAGS += -ffixed-r31
ifdef CONFIG_MICROBLAZE_HARD_MULT
PLATFORM_CPPFLAGS += -mno-xl-soft-mul
endif