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-rw-r--r--arch/microblaze/config.mk31
-rw-r--r--arch/microblaze/lib/Makefile48
-rw-r--r--arch/microblaze/lib/board.c162
-rw-r--r--arch/microblaze/lib/bootm.c57
-rw-r--r--arch/microblaze/lib/cache.c43
-rw-r--r--arch/microblaze/lib/time.c42
6 files changed, 383 insertions, 0 deletions
diff --git a/arch/microblaze/config.mk b/arch/microblaze/config.mk
new file mode 100644
index 0000000..c3c9f95
--- /dev/null
+++ b/arch/microblaze/config.mk
@@ -0,0 +1,31 @@
+#
+# (C) Copyright 2007-2008 Michal Simek
+# Michal SIMEK <monstr@monstr.eu>
+#
+# (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
+#
+
+CROSS_COMPILE ?= mb-
+
+STANDALONE_LOAD_ADDR = 0x80F00000
+
+PLATFORM_CPPFLAGS += -ffixed-r31 -D__microblaze__
diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
new file mode 100644
index 0000000..9b0f296
--- /dev/null
+++ b/arch/microblaze/lib/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2003-2006
+# 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 = $(obj)lib$(ARCH).a
+
+SOBJS-y +=
+
+COBJS-y += board.o
+COBJS-y += bootm.o
+COBJS-y += cache.o
+COBJS-y += time.o
+
+SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c
new file mode 100644
index 0000000..d4baea9
--- /dev/null
+++ b/arch/microblaze/lib/board.c
@@ -0,0 +1,162 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Michal SIMEK <monstr@monstr.eu>
+ * 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>
+#include <command.h>
+#include <malloc.h>
+#include <timestamp.h>
+#include <version.h>
+#include <watchdog.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+const char version_string[] = U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME")";
+
+#ifdef CONFIG_SYS_GPIO_0
+extern int gpio_init (void);
+#endif
+#ifdef CONFIG_SYS_INTC_0
+extern int interrupts_init (void);
+#endif
+#if defined(CONFIG_CMD_NET)
+extern int eth_init (bd_t * bis);
+#endif
+
+/*
+ * All attempts to come up with a "common" initialization sequence
+ * that works for all boards and architectures failed: some of the
+ * requirements are just _too_ different. To get rid of the resulting
+ * mess of board dependend #ifdef'ed code we now make the whole
+ * initialization sequence configurable to the user.
+ *
+ * The requirements for any new initalization function is simple: it
+ * receives a pointer to the "global data" structure as it's only
+ * argument, and returns an integer return code, where 0 means
+ * "continue" and != 0 means "fatal error, hang the system".
+ */
+typedef int (init_fnc_t) (void);
+
+init_fnc_t *init_sequence[] = {
+ env_init,
+ serial_init,
+#ifdef CONFIG_SYS_GPIO_0
+ gpio_init,
+#endif
+#ifdef CONFIG_SYS_INTC_0
+ interrupts_init,
+#endif
+ NULL,
+};
+
+void board_init (void)
+{
+ bd_t *bd;
+ init_fnc_t **init_fnc_ptr;
+ gd = (gd_t *) CONFIG_SYS_GBL_DATA_OFFSET;
+#if defined(CONFIG_CMD_FLASH)
+ ulong flash_size = 0;
+#endif
+ asm ("nop"); /* FIXME gd is not initialize - wait */
+ memset ((void *)gd, 0, CONFIG_SYS_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;
+ bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+ bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
+ gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
+
+ /*
+ * The Malloc area is immediately below the monitor copy in DRAM
+ * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off
+ * as our monitory code is run from SDRAM
+ */
+ mem_malloc_init (CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
+
+ for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+ WATCHDOG_RESET ();
+ if ((*init_fnc_ptr) () != 0) {
+ hang ();
+ }
+ }
+
+ puts ("SDRAM :\n");
+ printf ("\t\tIcache:%s\n", icache_status() ? "OK" : "FAIL");
+ printf ("\t\tDcache:%s\n", dcache_status() ? "OK" : "FAIL");
+ printf ("\tU-Boot Start:0x%08x\n", TEXT_BASE);
+
+#if defined(CONFIG_CMD_FLASH)
+ puts ("FLASH: ");
+ bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
+ if (0 < (flash_size = flash_init ())) {
+ bd->bi_flashsize = flash_size;
+ bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + flash_size;
+# ifdef CONFIG_SYS_FLASH_CHECKSUM
+ print_size (flash_size, "");
+ /*
+ * Compute and print flash CRC if flashchecksum is set to 'y'
+ *
+ * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
+ */
+ s = getenv ("flashchecksum");
+ if (s && (*s == 'y')) {
+ printf (" CRC: %08X",
+ crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
+ );
+ }
+ putc ('\n');
+# else /* !CONFIG_SYS_FLASH_CHECKSUM */
+ print_size (flash_size, "\n");
+# endif /* CONFIG_SYS_FLASH_CHECKSUM */
+ } else {
+ puts ("Flash init FAILED");
+ bd->bi_flashstart = 0;
+ bd->bi_flashsize = 0;
+ bd->bi_flashoffset = 0;
+ }
+#endif
+
+#if defined(CONFIG_CMD_NET)
+ /* IP Address */
+ bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
+ eth_init (bd);
+#endif
+
+ /* relocate environment function pointers etc. */
+ env_relocate ();
+
+ /* main_loop */
+ for (;;) {
+ WATCHDOG_RESET ();
+ main_loop ();
+ }
+}
+
+void hang (void)
+{
+ puts ("### ERROR ### Please RESET the board ###\n");
+ for (;;) ;
+}
diff --git a/arch/microblaze/lib/bootm.c b/arch/microblaze/lib/bootm.c
new file mode 100644
index 0000000..bce4774
--- /dev/null
+++ b/arch/microblaze/lib/bootm.c
@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Michal SIMEK <monstr@monstr.eu>
+ * 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>
+#include <command.h>
+#include <image.h>
+#include <u-boot/zlib.h>
+#include <asm/byteorder.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+ /* First parameter is mapped to $r5 for kernel boot args */
+ void (*theKernel) (char *);
+ char *commandline = getenv ("bootargs");
+
+ if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+ return 1;
+
+ theKernel = (void (*)(char *))images->ep;
+
+ show_boot_progress (15);
+
+#ifdef DEBUG
+ printf ("## Transferring control to Linux (at address %08lx) ...\n",
+ (ulong) theKernel);
+#endif
+
+ theKernel (commandline);
+ /* does not return */
+
+ return 1;
+}
diff --git a/arch/microblaze/lib/cache.c b/arch/microblaze/lib/cache.c
new file mode 100644
index 0000000..4b2e8e3
--- /dev/null
+++ b/arch/microblaze/lib/cache.c
@@ -0,0 +1,43 @@
+/*
+ * (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)
+{
+ int i;
+ for (i = 0; i < size; i += 4)
+ asm volatile (
+#ifdef CONFIG_ICACHE
+ "wic %0, r0;"
+#endif
+ "nop;"
+#ifdef CONFIG_DCACHE
+ "wdc %0, r0;"
+#endif
+ "nop;"
+ :
+ : "r" (addr + i)
+ : "memory");
+}
diff --git a/arch/microblaze/lib/time.c b/arch/microblaze/lib/time.c
new file mode 100644
index 0000000..da016a0
--- /dev/null
+++ b/arch/microblaze/lib/time.c
@@ -0,0 +1,42 @@
+/*
+ * (C) Copyright 2007 Michal Simek
+ * (C) Copyright 2004 Atmark Techno, Inc.
+ *
+ * Michal SIMEK <monstr@monstr.eu>
+ * 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>
+
+#ifdef CONFIG_SYS_TIMER_0
+void __udelay (unsigned long usec)
+{
+ int i;
+ i = get_timer (0);
+ while ((get_timer (0) - i) < (usec / 1000)) ;
+}
+#else
+void __udelay (unsigned long usec)
+{
+ unsigned int i;
+ for (i = 0; i < (usec * CONFIG_XILINX_CLOCK_FREQ / 10000000); i++);
+}
+#endif
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