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
diff --git a/CHANGELOG b/CHANGELOG
index 86d6369..5a96ea7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -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.
diff --git a/CREDITS b/CREDITS
index 6944d39..4d84a88 100644
--- a/CREDITS
+++ b/CREDITS
@@ -348,6 +348,10 @@
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
diff --git a/MAINTAINERS b/MAINTAINERS
index 6ffdead..9e62246 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -425,5 +425,16 @@
DK1C20 Nios-32
#########################################################################
+# MicroBlaze Systems: #
+# #
+# Maintainer Name, Email Address #
+# Board CPU #
+#########################################################################
+
+Yasushi Shoji <yashi@atmark-techno.com>
+
+ SUZAKU MicroBlaze
+
+#########################################################################
# End of MAINTAINERS list #
#########################################################################
diff --git a/MAKEALL b/MAKEALL
index fa8e89e..ac7d23a 100644
--- a/MAKEALL
+++ b/MAKEALL
@@ -187,6 +187,12 @@
DK1S10 DK1S10_standard_32 DK1S10_mtx_ldk_20 \
"
+#########################################################################
+## MicroBlaze Systems
+#########################################################################
+
+LIST_microblaze="suzaku"
+
#-----------------------------------------------------------------------
#----- for now, just run PPC by default -----
@@ -211,6 +217,7 @@
case "$arg" in
ppc|5xx|5xxx|8xx|824x|8260|85xx|4xx|7xx|74xx| \
arm|SA|ARM7|ARM9|pxa|ixp| \
+ microblaze| \
mips| \
nios| \
x86|I486)
diff --git a/README b/README
index 2c1c06b..338f393 100644
--- a/README
+++ b/README
@@ -242,7 +242,7 @@
MicroBlaze based CPUs:
----------------------
- CONFIG_MICROBLZE
+ CONFIG_MICROBLAZE
- Board Type: Define exactly one of
diff --git a/board/AtmarkTechno/suzaku/suzaku.c b/board/AtmarkTechno/suzaku/suzaku.c
index 3a47aa5..afe124a 100644
--- a/board/AtmarkTechno/suzaku/suzaku.c
+++ b/board/AtmarkTechno/suzaku/suzaku.c
@@ -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;
}
diff --git a/drivers/serial_xuartlite.c b/drivers/serial_xuartlite.c
index da2e746..ed59abe 100644
--- a/drivers/serial_xuartlite.c
+++ b/drivers/serial_xuartlite.c
@@ -24,7 +24,7 @@
#include <config.h>
-#ifdef CONFIG_MICROBLZE
+#ifdef CONFIG_MICROBLAZE
#include <asm/serial_xuartlite.h>
diff --git a/examples/stubs.c b/examples/stubs.c
index 324a953..c3d2a77 100644
--- a/examples/stubs.c
+++ b/examples/stubs.c
@@ -98,7 +98,7 @@
" 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.
*/
diff --git a/include/asm-microblaze/processor.h b/include/asm-microblaze/processor.h
new file mode 100644
index 0000000..78b8976
--- /dev/null
+++ b/include/asm-microblaze/processor.h
@@ -0,0 +1 @@
+/* FIXME: Implement this! */
diff --git a/include/asm-microblaze/suzaku.h b/include/asm-microblaze/suzaku.h
index 4d2b270..c57a144 100644
--- a/include/asm-microblaze/suzaku.h
+++ b/include/asm-microblaze/suzaku.h
@@ -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)
diff --git a/include/configs/suzaku.h b/include/configs/suzaku.h
index 5c5cdf4..e8c4373 100644
--- a/include/configs/suzaku.h
+++ b/include/configs/suzaku.h
@@ -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 */
diff --git a/lib_microblaze/Makefile b/lib_microblaze/Makefile
index b683da8..ec01722f 100644
--- a/lib_microblaze/Makefile
+++ b/lib_microblaze/Makefile
@@ -27,7 +27,7 @@
AOBJS =
-COBJS = board.o microblaze_linux.o time.o
+COBJS = board.o microblaze_linux.o time.o cache.o
OBJS = $(AOBJS) $(COBJS)
diff --git a/lib_microblaze/board.c b/lib_microblaze/board.c
index b720e82..bc987a3 100644
--- a/lib_microblaze/board.c
+++ b/lib_microblaze/board.c
@@ -72,8 +72,21 @@
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) {
diff --git a/lib_microblaze/cache.c b/lib_microblaze/cache.c
new file mode 100644
index 0000000..a2f7493
--- /dev/null
+++ b/lib_microblaze/cache.c
@@ -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;
+}
diff --git a/microblaze_config.mk b/microblaze_config.mk
index cd7548c..b3ac8e0 100644
--- a/microblaze_config.mk
+++ b/microblaze_config.mk
@@ -22,6 +22,8 @@
# MA 02111-1307 USA
#
+PLATFORM_CPPFLAGS += -ffixed-r31
+
ifdef CONFIG_MICROBLAZE_HARD_MULT
PLATFORM_CPPFLAGS += -mno-xl-soft-mul
endif