* Patch by Yasushi Shoji, 07 Apr 2004:

  - add support for microblaze processors
  - add support for AtmarkTechno "suzaku" board

CHANGELOG

 ======================================================================
 Changes for U-Boot 1.1.1:
 ======================================================================
- 
+
+* Patch by Yasushi Shoji, 07 Apr 2004:
+  - add support for microblaze processors
+  - add support for AtmarkTechno "suzaku" board
+
 * Configure PPChameleon board to use redundand environment in flash
 
 * Configure PPChameleon board to use JFFS2 NAND support.

Makefile

@@ -75,6 +75,9 @@ endif
 ifeq ($(ARCH),m68k)
 CROSS_COMPILE = m68k-elf-
 endif
+ifeq ($(ARCH),microblaze)
+CROSS_COMPILE = mb-
+endif
 endif
 endif
 
@@ -1250,6 +1253,17 @@ ADNPESC1_config: unconfig
 	@./mkconfig -a ADNPESC1 nios nios adnpesc1 ssv
 
 
+#========================================================================
+# MicroBlaze
+#========================================================================
+#########################################################################
+## Microblaze
+#########################################################################
+suzaku_config:	unconfig
+	@ >include/config.h
+	@echo "#define CONFIG_SUZAKU 1" >> include/config.h
+	@./mkconfig -a $(@:_config=) microblaze microblaze suzaku AtmarkTechno
+
 #########################################################################
 ## MIPS32 AU1X00
 #########################################################################

README

@@ -240,6 +240,10 @@ The following options need to be configured:
 		CONFIG_ARM7
 		CONFIG_PXA250
 
+		MicroBlaze based CPUs:
+		----------------------
+		CONFIG_MICROBLZE
+
 
 - Board Type:	Define exactly one of
 
@@ -292,6 +296,11 @@ The following options need to be configured:
 		CONFIG_LUBBOCK,			CONFIG_SHANNON,		CONFIG_SMDK2400,
 		CONFIG_SMDK2410,		CONFIG_TRAB,		CONFIG_VCMA9,
 
+		MicroBlaze based boards:
+		------------------------
+
+		CONFIG_SUZAKU
+
 
 - CPU Module Type: (if CONFIG_COGENT is defined)
 		Define exactly one of

board/AtmarkTechno/suzaku/Makefile

+#
+# (C) Copyright 2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o flash.o
+
+$(LIB):	.depend $(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################

board/AtmarkTechno/suzaku/config.mk

+#
+# (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
+#
+
+TEXT_BASE = 0x80F00000
+
+PLATFORM_CPPFLAGS += -mno-xl-soft-mul
+PLATFORM_CPPFLAGS += -mno-xl-soft-div
+PLATFORM_CPPFLAGS += -mxl-barrel-shift

board/AtmarkTechno/suzaku/flash.c

+/*
+ * (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>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+unsigned long flash_init(void)
+{
+	return 0;
+}
+
+void flash_print_info(flash_info_t *info)
+{
+}
+
+int flash_erase(flash_info_t *info, int s_first, int s_last)
+{
+	return 0;
+}
+
+int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+	return 0;
+}

board/AtmarkTechno/suzaku/suzaku.c

+/*
+ * (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 board_init(void)
+{
+	serial_init();
+
+	main_loop();
+}
+
+void do_reset(void)
+{
+}

board/AtmarkTechno/suzaku/u-boot.lds

+/*
+ * (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
+ */
+
+OUTPUT_ARCH(microblaze)
+ENTRY(_start)
+
+SECTIONS
+{
+	.text ALIGN(0x4):
+	{
+		__text_start = .;
+		cpu/microblaze/start.o (.text)
+		*(.text)
+		__text_end = .;
+	}
+
+	.rodata ALIGN(0x4):
+	{
+		__rodata_start = .;
+		*(.rodata)
+		__rodata_end = .;
+	}
+
+	.data ALIGN(0x4):
+	{
+		__data_start = .;
+		*(.data)
+		__data_end = .;
+	}
+
+	.u_boot_cmd ALIGN(0x4):
+	{
+		__u_boot_cmd_start = .;
+		*(.u_boot_cmd)
+		__u_boot_cmd_end = .;
+	}
+
+	.bss ALIGN(0x4):
+	{
+		__bss_start = .;
+		*(.bss)
+		__bss_start = .;
+	}
+}

board/dave/PPChameleonEVB/u-boot.lds

@@ -141,7 +141,7 @@ SECTIONS
   }
 
   . = 0xFFFF8000;
-  .ppcenv : 
+  .ppcenv :
   {
     common/environment.o(.ppcenv);
   }

common/cmd_bootm.c

@@ -242,6 +242,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	if (hdr->ih_arch != IH_CPU_NIOS)
 #elif defined(__M68K__)
 	if (hdr->ih_arch != IH_CPU_M68K)
+#elif defined(__microblaze__)
+	if (hdr->ih_arch != IH_CPU_MICROBLAZE)
 #else
 # error Unknown CPU type
 #endif
@@ -1185,6 +1187,7 @@ print_type (image_header_t *hdr)
 	case IH_CPU_SPARC:	arch = "SPARC";			break;
 	case IH_CPU_SPARC64:	arch = "SPARC 64 Bit";		break;
 	case IH_CPU_M68K:	arch = "M68K"; 			break;
+	case IH_CPU_MICROBLAZE:	arch = "Microblaze"; 		break;
 	default:		arch = "Unknown Architecture";	break;
 	}
 

cpu/microblaze/Makefile

+#
+# (C) Copyright 2000
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB	= lib$(CPU).a
+
+START	= start.o
+OBJS	= cpu.o interrupts.o
+
+all:	.depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c) $(AOBJS:.o=.S)
+	$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) $(AOBJS:.o=.S) > $@
+
+sinclude .depend
+
+#########################################################################

cpu/microblaze/cpu.c

+/*
+ * (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
+ */
+
+/* EMPTY FILE */

cpu/microblaze/interrupts.c

+/*
+ * (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
+ */
+
+void enable_interrupts(void)
+{
+}
+
+int disable_interrupts(void)
+{
+	return 0;
+}

cpu/microblaze/start.S

+/*
+ * (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 <config.h>
+
+	.text
+	.global _start
+_start:
+
+	addi	r1, r0, CFG_SDRAM_BASE	/* init stack pointer */
+	addi	r1, r1, CFG_SDRAM_SIZE	/* set sp to high up */
+
+	brai	board_init
+
+1:	bri	1b

drivers/Makefile

@@ -39,7 +39,8 @@ OBJS	= 3c589.o 5701rls.o ali512x.o \
 	  ps2ser.o ps2mult.o pc_keyb.o keyboard.o \
 	  rtl8019.o rtl8139.o \
 	  s3c24x0_i2c.o sed13806.o sed156x.o \
-	  serial.o serial_max3100.o serial_pl011.o serial_pl010.o \
+	  serial.o serial_max3100.o serial_pl010.o serial_pl011.o \
+	  serial_xuartlite.o \
 	  smc91111.o smiLynxEM.o status_led.o sym53c8xx.o \
 	  ti_pci1410a.o tigon3.o w83c553f.o omap1510_i2c.o \
 	  usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o \

drivers/serial_xuartlite.c

+/*
+ * (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 <config.h>
+#include <asm/serial_xuartlite.h>
+
+/* FIXME: we should convert these to in32 and out32 */
+#define IO_WORD(offset)	     (*(volatile unsigned long *)(offset))
+#define IO_SERIAL(offset)    IO_WORD(CONFIG_SERIAL_BASE + (offset))
+
+#define IO_SERIAL_RX_FIFO   IO_SERIAL(XUL_RX_FIFO_OFFSET)
+#define IO_SERIAL_TX_FIFO   IO_SERIAL(XUL_TX_FIFO_OFFSET)
+#define IO_SERIAL_STATUS    IO_SERIAL(XUL_STATUS_REG_OFFSET)
+#define IO_SERIAL_CONTROL   IO_SERIAL(XUL_CONTROL_REG_OFFSET)
+
+int serial_init(void)
+{
+	/* FIXME: Nothing for now. We should initialize fifo, etc */
+	return 0;
+}
+
+void serial_setbrg(void)
+{
+	/* FIXME: what's this for? */
+}
+
+void serial_putc(const char c)
+{
+	if (c == '\n') serial_putc('\r');
+	while (IO_SERIAL_STATUS & XUL_SR_TX_FIFO_FULL);
+	IO_SERIAL_TX_FIFO = (unsigned char) (c & 0xff);
+	return 0;
+}
+
+void serial_puts(const char * s)
+{
+	while (*s) {
+		serial_putc(*s++);
+	}
+}
+
+int serial_getc(void)
+{
+	while (!(IO_SERIAL_STATUS & XUL_SR_RX_FIFO_VALID_DATA));
+	return IO_SERIAL_RX_FIFO & 0xff;
+}
+
+int serial_tstc(void)
+{
+	return (IO_SERIAL_STATUS & XUL_SR_RX_FIFO_VALID_DATA);
+}

examples/Makefile

@@ -45,6 +45,10 @@ ifeq ($(ARCH),m68k)
 LOAD_ADDR = 0x20000  -L $(clibdir)
 endif
 
+ifeq ($(ARCH),microblaze)
+LOAD_ADDR = 0x80F00000
+endif
+
 include $(TOPDIR)/config.mk
 
 SREC	= hello_world.srec

examples/stubs.c

@@ -94,6 +94,18 @@ 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)
+/*
+ * r31 holds the pointer to the global_data. r5 is a call-clobbered.
+ */
+#define EXPORT_FUNC(x)				\
+	asm volatile (				\
+"	.globl " #x "\n"			\
+#x ":\n"					\
+"	lwi	r5, r31, %0\n"			\
+"	lwi	r5, r5, %1\n"			\
+"	bra	r5\n"				\
+	: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r5");
 #else
 #error stubs definition missing for this architecture
 #endif

fs/jffs2/jffs2_1pass.c

@@ -182,8 +182,8 @@ static int read_nand_cached(u32 off, u32 size, u_char *buf)
 			if (!nand_cache) {
 				/* This memory never gets freed but 'cause
 				   it's a bootloader, nobody cares */
-				nand_cache = malloc(NAND_CACHE_SIZE); 
-				if (!nand_cache) { 
+				nand_cache = malloc(NAND_CACHE_SIZE);
+				if (!nand_cache) {
 					printf("read_nand_cached: can't alloc cache size %d bytes\n",
 					       NAND_CACHE_SIZE);
 					return -1;
@@ -241,7 +241,7 @@ static void *get_node_mem(u32 off)
 	return ret;
 }
 
-static void put_fl_mem(void *buf) 
+static void put_fl_mem(void *buf)
 {
 	free(buf);
 }
@@ -258,7 +258,7 @@ static inline void *get_node_mem(u32 off)
 	return (void*)off;
 }
 
-static inline void put_fl_mem(void *buf) 
+static inline void put_fl_mem(void *buf)
 {
 }
 
@@ -414,7 +414,7 @@ static int compare_dirents(struct b_node *new, struct b_node *old)
 	struct jffs2_raw_dirent ojOld;
 	struct jffs2_raw_dirent *jNew =
 		(struct jffs2_raw_dirent *)get_fl_mem(new->offset, sizeof(ojNew), &ojNew);
-	struct jffs2_raw_dirent *jOld = 
+	struct jffs2_raw_dirent *jOld =
 		(struct jffs2_raw_dirent *)get_fl_mem(old->offset, sizeof(ojOld), &ojOld);
 	int cmp;
 
@@ -511,7 +511,7 @@ jffs2_1pass_read_inode(struct b_lists *pL, u32 inode, char *dest)
 	 * we will live with it.
 	 */
 	for (b = pL->frag.listHead; b != NULL; b = b->next) {
-		jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset, 
+		jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset,
 		        sizeof(struct jffs2_raw_inode), NULL);
 		if ((inode == jNode->ino)) {
 			/* get actual file length from the newest node */

include/asm-microblaze/arch-microblaze/xio.h

+/*
+ * xio.h
+ *
+ * Defines XIo functions for Xilinx OCP in terms of Linux primitives
+ *
+ * Author: MontaVista Software, Inc.
+ *         source@mvista.com
+ *
+ * 2002 (c) MontaVista, Software, Inc.  This file is licensed under the terms
+ * of the GNU General Public License version 2.  This program is licensed
+ * "as is" without any warranty of any kind, whether express or implied.
+ */
+
+#ifndef XIO_H
+#define XIO_H
+
+#include "xbasic_types.h"