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authorwdenk <wdenk>2003-12-08 01:34:36 +0000
committerwdenk <wdenk>2003-12-08 01:34:36 +0000
commit4e5ca3eb670460cd5ad9b07fa4aafc0dee6178be (patch)
tree445ad34577e02b219f118c8825ad5815c3229541
parent9fd5e31fe0245c44a11d35a8603bb6b25c97b5c8 (diff)
downloadu-boot-linaro-stable-4e5ca3eb670460cd5ad9b07fa4aafc0dee6178be.tar.gz
* Patch by Bernhard Kuhn, 28 Nov 2003:
add support for Coldfire CPU add support for Motorola M5272C3 and M5282EVB boards
-rw-r--r--CHANGELOG4
-rw-r--r--CREDITS4
-rw-r--r--Makefile16
-rw-r--r--board/m5272c3/Makefile40
-rw-r--r--board/m5272c3/config.mk25
-rw-r--r--board/m5272c3/flash.c378
-rw-r--r--board/m5272c3/m5272c3.c35
-rw-r--r--board/m5272c3/u-boot.lds135
-rw-r--r--board/m5272c3/u-boot.lds.debug130
-rw-r--r--board/m5282evb/Makefile40
-rw-r--r--board/m5282evb/config.mk25
-rw-r--r--board/m5282evb/flash.c378
-rw-r--r--board/m5282evb/m5282evb.c35
-rw-r--r--board/m5282evb/u-boot.lds135
-rw-r--r--board/m5282evb/u-boot.lds.debug130
-rw-r--r--common/cmd_bootm.c2
-rw-r--r--cpu/coldfire/Makefile45
-rw-r--r--cpu/coldfire/config.mk26
-rw-r--r--cpu/coldfire/cpu.c87
-rw-r--r--cpu/coldfire/fec.c300
-rw-r--r--cpu/coldfire/fec.h28
-rw-r--r--cpu/coldfire/interrupts.c127
-rw-r--r--cpu/coldfire/serial.c168
-rw-r--r--cpu/coldfire/speed.c35
-rw-r--r--cpu/coldfire/start.S165
-rw-r--r--examples/Makefile5
-rw-r--r--include/asm-m68k/global_data.h62
-rw-r--r--include/asm-m68k/io.h1
-rw-r--r--include/asm-m68k/posix_types.h109
-rw-r--r--include/asm-m68k/ptrace.h108
-rw-r--r--include/asm-m68k/string.h31
-rw-r--r--include/asm-m68k/types.h50
-rw-r--r--include/asm-m68k/u-boot.h69
-rw-r--r--include/configs/M5272C3.h40
-rw-r--r--include/configs/M5282EVB.h40
-rw-r--r--include/flash.h2
-rw-r--r--lib_m68k/board.c493
-rw-r--r--lib_m68k/extable.c83
-rw-r--r--lib_m68k/m68k_linux.c274
-rw-r--r--lib_m68k/time.c87
-rw-r--r--m68k_config.mk25
41 files changed, 3972 insertions, 0 deletions
diff --git a/CHANGELOG b/CHANGELOG
index 9d1d84bb1..c30172b65 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,10 @@
Changes since U-Boot 1.0.0:
======================================================================
+* Patch by Bernhard Kuhn, 28 Nov 2003:
+ add support for Coldfire CPU
+ add support for Motorola M5272C3 and M5282EVB boards
+
* Patch by Pierre Aubert, 24 Nov 2003:
- add a return value for the fpga command
- add ide_preinit() function called in ide_init if CONFIG_IDE_PREINIT
diff --git a/CREDITS b/CREDITS
index 961d44232..0b0086d6c 100644
--- a/CREDITS
+++ b/CREDITS
@@ -195,6 +195,10 @@ E: Raghu.Krishnaprasad@fci.com
D: Support for Adder-II MPC852T evaluation board
W: http://www.forcecomputers.com
+N: Bernhard Kuhn
+E: bkuhn@metrowerks.com
+D Support for Coldfire CPU; Support for Motorola M5272C3 and M5282EVB boards
+
N: Thomas Lange
E: thomas@corelatus.se
D: Support for GTH and dbau1x00 boards; lots of PCMCIA fixes
diff --git a/Makefile b/Makefile
index 5defc8772..6af266530 100644
--- a/Makefile
+++ b/Makefile
@@ -72,6 +72,9 @@ endif
ifeq ($(ARCH),nios)
CROSS_COMPILE = nios-elf-
endif
+ifeq ($(ARCH),m68k)
+CROSS_COMPILE = m68k-elf-
+endif
endif
endif
@@ -802,6 +805,19 @@ TQM8265_AA_config: unconfig
ZPC1900_config: unconfig
@./mkconfig $(@:_config=) ppc mpc8260 zpc1900
+#========================================================================
+# M68K
+#========================================================================
+#########################################################################
+## Coldfire
+#########################################################################
+
+M5272C3_config : unconfig
+ @./mkconfig $(@:_config=) m68k coldfire m5272c3
+
+M5282EVB_config : unconfig
+ @./mkconfig $(@:_config=) m68k coldfire m5282evb
+
#########################################################################
## MPC85xx Systems
#########################################################################
diff --git a/board/m5272c3/Makefile b/board/m5272c3/Makefile
new file mode 100644
index 000000000..378428e31
--- /dev/null
+++ b/board/m5272c3/Makefile
@@ -0,0 +1,40 @@
+#
+# (C) Copyright 2000-2003
+# 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 $@ $^
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/m5272c3/config.mk b/board/m5272c3/config.mk
new file mode 100644
index 000000000..e0cd8dafa
--- /dev/null
+++ b/board/m5272c3/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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 = 0x3e0000
diff --git a/board/m5272c3/flash.c b/board/m5272c3/flash.c
new file mode 100644
index 000000000..fb918435c
--- /dev/null
+++ b/board/m5272c3/flash.c
@@ -0,0 +1,378 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+
+#define PHYS_FLASH_1 CFG_FLASH_BASE
+#define FLASH_BANK_SIZE 0x200000
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ printf ("AMD: ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case (AMD_ID_PL160CB & FLASH_TYPEMASK):
+ printf ("AM29PL160CB (16Mbit)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ goto Done;
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; i++) {
+ if ((i % 5) == 0) {
+ printf ("\n ");
+ }
+ printf (" %08lX%s", info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+ printf ("\n");
+
+ Done:
+}
+
+
+unsigned long flash_init (void)
+{
+ int i, j;
+ ulong size = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ ulong flashbase = 0;
+
+ flash_info[i].flash_id =
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (AMD_ID_PL160CB & FLASH_TYPEMASK);
+ flash_info[i].size = FLASH_BANK_SIZE;
+ flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+ memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+ if (i == 0)
+ flashbase = PHYS_FLASH_1;
+ else
+ panic ("configured to many flash banks!\n");
+
+ for (j = 0; j < flash_info[i].sector_count; j++) {
+ if (j == 0) {
+ /* 1st is 16 KiB */
+ flash_info[i].start[j] = flashbase;
+ }
+ if ((j >= 1) && (j <= 2)) {
+ /* 2nd and 3rd are 8 KiB */
+ flash_info[i].start[j] =
+ flashbase + 0x4000 + 0x2000 * (j - 1);
+ }
+ if (j == 3) {
+ /* 4th is 224 KiB */
+ flash_info[i].start[j] = flashbase + 0x8000;
+ }
+ if ((j >= 4) && (j <= 10)) {
+ /* rest is 256 KiB */
+ flash_info[i].start[j] =
+ flashbase + 0x40000 + 0x40000 * (j -
+ 4);
+ }
+ }
+ size += flash_info[i].size;
+ }
+
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + 0x3ffff, &flash_info[0]);
+
+ return size;
+}
+
+
+#define CMD_READ_ARRAY 0x00F0
+#define CMD_UNLOCK1 0x00AA
+#define CMD_UNLOCK2 0x0055
+#define CMD_ERASE_SETUP 0x0080
+#define CMD_ERASE_CONFIRM 0x0030
+#define CMD_PROGRAM 0x00A0
+#define CMD_UNLOCK_BYPASS 0x0020
+
+#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CFG_FLASH_BASE + (0x00000555<<1)))
+#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CFG_FLASH_BASE + (0x000002AA<<1)))
+
+#define BIT_ERASE_DONE 0x0080
+#define BIT_RDY_MASK 0x0080
+#define BIT_PROGRAM_ERROR 0x0020
+#define BIT_TIMEOUT 0x80000000 /* our flag */
+
+#define READY 1
+#define ERR 2
+#define TMO 4
+
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ ulong result;
+ int iflag, cflag, prot, sect;
+ int rc = ERR_OK;
+ int chip1;
+
+ /* first look for protection bits */
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ return ERR_UNKNOWN_FLASH_TYPE;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ return ERR_INVAL;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) !=
+ (AMD_MANUFACT & FLASH_VENDMASK)) {
+ return ERR_UNKNOWN_FLASH_VENDOR;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+ if (prot)
+ return ERR_PROTECTED;
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ printf ("\n");
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
+ printf ("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ set_timer (0);
+
+ if (info->protect[sect] == 0) { /* not protected */
+ volatile u16 *addr =
+ (volatile u16 *) (info->start[sect]);
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ *addr = CMD_ERASE_CONFIRM;
+
+ /* wait until flash is ready */
+ chip1 = 0;
+
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer (0) > CFG_FLASH_ERASE_TOUT) {
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ chip1 = TMO;
+ break;
+ }
+
+ if (!chip1
+ && (result & 0xFFFF) & BIT_ERASE_DONE)
+ chip1 = READY;
+
+ } while (!chip1);
+
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+ if (chip1 == ERR) {
+ rc = ERR_PROG_ERROR;
+ goto outahere;
+ }
+ if (chip1 == TMO) {
+ rc = ERR_TIMOUT;
+ goto outahere;
+ }
+
+ printf ("ok.\n");
+ } else { /* it was protected */
+
+ printf ("protected!\n");
+ }
+ }
+
+ if (ctrlc ())
+ printf ("User Interrupt!\n");
+
+ outahere:
+ /* allow flash to settle - wait 10 ms */
+ udelay (10000);
+
+ if (iflag)
+ enable_interrupts ();
+
+ if (cflag)
+ icache_enable ();
+
+ return rc;
+}
+
+
+volatile static int write_word (flash_info_t * info, ulong dest, ulong data)
+{
+ volatile u16 *addr = (volatile u16 *) dest;
+ ulong result;
+ int rc = ERR_OK;
+ int cflag, iflag;
+ int chip1;
+
+ /*
+ * Check if Flash is (sufficiently) erased
+ */
+ result = *addr;
+ if ((result & data) != data)
+ return ERR_NOT_ERASED;
+
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_PROGRAM;
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ set_timer (0);
+
+ /* wait until flash is ready */
+ chip1 = 0;
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer (0) > CFG_FLASH_ERASE_TOUT) {
+ chip1 = ERR | TMO;
+ break;
+ }
+ if (!chip1 && ((result & 0x80) == (data & 0x80)))
+ chip1 = READY;
+
+ } while (!chip1);
+
+ *addr = CMD_READ_ARRAY;
+
+ if (chip1 == ERR || *addr != data)
+ rc = ERR_PROG_ERROR;
+
+ if (iflag)
+ enable_interrupts ();
+
+ if (cflag)
+ icache_enable ();
+
+ return rc;
+}
+
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong wp, data;
+ int rc;
+
+ if (addr & 1) {
+ printf ("unaligned destination not supported\n");
+ return ERR_ALIGN;
+ }
+
+#if 0
+ if (cnt & 1) {
+ printf ("odd transfer sizes not supported\n");
+ return ERR_ALIGN;
+ }
+#endif
+
+ wp = addr;
+
+ if (addr & 1) {
+ data = (*((volatile u8 *) addr) << 8) | *((volatile u8 *)
+ src);
+ if ((rc = write_word (info, wp - 1, data)) != 0) {
+ return (rc);
+ }
+ src += 1;
+ wp += 1;
+ cnt -= 1;
+ }
+
+ while (cnt >= 2) {
+ data = *((volatile u16 *) src);
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 2;
+ wp += 2;
+ cnt -= 2;
+ }
+
+ if (cnt == 1) {
+ data = (*((volatile u8 *) src) << 8) |
+ *((volatile u8 *) (wp + 1));
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 1;
+ wp += 1;
+ cnt -= 1;
+ }
+
+ return ERR_OK;
+}
diff --git a/board/m5272c3/m5272c3.c b/board/m5272c3/m5272c3.c
new file mode 100644
index 000000000..91ec9a12d
--- /dev/null
+++ b/board/m5272c3/m5272c3.c
@@ -0,0 +1,35 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+
+int checkboard (void)
+{
+ puts ("MOTOROLA MCF5272C3 Evaluation Board\n");
+ return 0;
+}
+
+long int initdram (int board_type)
+{
+ return 0x400000;
+}
diff --git a/board/m5272c3/u-boot.lds b/board/m5272c3/u-boot.lds
new file mode 100644
index 000000000..0d3829ab2
--- /dev/null
+++ b/board/m5272c3/u-boot.lds
@@ -0,0 +1,135 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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
+ */
+
+OUTPUT_ARCH(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/coldfire/start.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/string.o (.text)
+ lib_generic/vsprintf.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_generic/zlib.o (.text)
+
+/* . = env_offset; */
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ _sbss = .;
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .;
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/board/m5272c3/u-boot.lds.debug b/board/m5272c3/u-boot.lds.debug
new file mode 100644
index 000000000..cb2a729fe
--- /dev/null
+++ b/board/m5272c3/u-boot.lds.debug
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/mpc8xx/start.o (.text)
+ common/dlmalloc.o (.text)
+ ppc/vsprintf.o (.text)
+ ppc/crc32.o (.text)
+
+ . = env_offset;
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/board/m5282evb/Makefile b/board/m5282evb/Makefile
new file mode 100644
index 000000000..378428e31
--- /dev/null
+++ b/board/m5282evb/Makefile
@@ -0,0 +1,40 @@
+#
+# (C) Copyright 2000-2003
+# 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 $@ $^
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/m5282evb/config.mk b/board/m5282evb/config.mk
new file mode 100644
index 000000000..e0cd8dafa
--- /dev/null
+++ b/board/m5282evb/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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 = 0x3e0000
diff --git a/board/m5282evb/flash.c b/board/m5282evb/flash.c
new file mode 100644
index 000000000..ff70783bd
--- /dev/null
+++ b/board/m5282evb/flash.c
@@ -0,0 +1,378 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+
+#define PHYS_FLASH_1 CFG_FLASH_BASE
+#define FLASH_BANK_SIZE 0x200000
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ printf ("AMD: ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case (AMD_ID_PL160CB & FLASH_TYPEMASK):
+ printf ("AM29PL160CB (16Mbit)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ goto Done;
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; i++) {
+ if ((i % 5) == 0) {
+ printf ("\n ");
+ }
+ printf (" %08lX%s", info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+ printf ("\n");
+
+ Done:
+}
+
+
+unsigned long flash_init (void)
+{
+ int i, j;
+ ulong size = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ ulong flashbase = 0;
+
+ flash_info[i].flash_id =
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (AMD_ID_PL160CB & FLASH_TYPEMASK);
+ flash_info[i].size = FLASH_BANK_SIZE;
+ flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+ memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+ if (i == 0)
+ flashbase = PHYS_FLASH_1;
+ else
+ panic ("configured to many flash banks!\n");
+
+ for (j = 0; j < flash_info[i].sector_count; j++) {
+ if (j == 0) {
+ /* 1st is 16 KiB */
+ flash_info[i].start[j] = flashbase;
+ }
+ if ((j >= 1) && (j <= 2)) {
+ /* 2nd and 3rd are 8 KiB */
+ flash_info[i].start[j] =
+ flashbase + 0x4000 + 0x2000 * (j - 1);
+ }
+ if (j == 3) {
+ /* 4th is 32 KiB */
+ flash_info[i].start[j] = flashbase + 0x8000;
+ }
+ if ((j >= 4) && (j <= 34)) {
+ /* rest is 256 KiB */
+ flash_info[i].start[j] =
+ flashbase + 0x10000 + 0x10000 * (j -
+ 4);
+ }
+ }
+ size += flash_info[i].size;
+ }
+
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + 0xffff, &flash_info[0]);
+
+ return size;
+}
+
+
+#define CMD_READ_ARRAY 0x00F0
+#define CMD_UNLOCK1 0x00AA
+#define CMD_UNLOCK2 0x0055
+#define CMD_ERASE_SETUP 0x0080
+#define CMD_ERASE_CONFIRM 0x0030
+#define CMD_PROGRAM 0x00A0
+#define CMD_UNLOCK_BYPASS 0x0020
+
+#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CFG_FLASH_BASE + (0x00000555<<1)))
+#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CFG_FLASH_BASE + (0x000002AA<<1)))
+
+#define BIT_ERASE_DONE 0x0080
+#define BIT_RDY_MASK 0x0080
+#define BIT_PROGRAM_ERROR 0x0020
+#define BIT_TIMEOUT 0x80000000 /* our flag */
+
+#define READY 1
+#define ERR 2
+#define TMO 4
+
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ ulong result;
+ int iflag, cflag, prot, sect;
+ int rc = ERR_OK;
+ int chip1;
+
+ /* first look for protection bits */
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ return ERR_UNKNOWN_FLASH_TYPE;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ return ERR_INVAL;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) !=
+ (AMD_MANUFACT & FLASH_VENDMASK)) {
+ return ERR_UNKNOWN_FLASH_VENDOR;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+ if (prot)
+ return ERR_PROTECTED;
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ printf ("\n");
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
+ printf ("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ set_timer (0);
+
+ if (info->protect[sect] == 0) { /* not protected */
+ volatile u16 *addr =
+ (volatile u16 *) (info->start[sect]);
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ *addr = CMD_ERASE_CONFIRM;
+
+ /* wait until flash is ready */
+ chip1 = 0;
+
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer (0) > CFG_FLASH_ERASE_TOUT) {
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ chip1 = TMO;
+ break;
+ }
+
+ if (!chip1
+ && (result & 0xFFFF) & BIT_ERASE_DONE)
+ chip1 = READY;
+
+ } while (!chip1);
+
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+ if (chip1 == ERR) {
+ rc = ERR_PROG_ERROR;
+ goto outahere;
+ }
+ if (chip1 == TMO) {
+ rc = ERR_TIMOUT;
+ goto outahere;
+ }
+
+ printf ("ok.\n");
+ } else { /* it was protected */
+
+ printf ("protected!\n");
+ }
+ }
+
+ if (ctrlc ())
+ printf ("User Interrupt!\n");
+
+ outahere:
+ /* allow flash to settle - wait 10 ms */
+ udelay (10000);
+
+ if (iflag)
+ enable_interrupts ();
+
+ if (cflag)
+ icache_enable ();
+
+ return rc;
+}
+
+
+volatile static int write_word (flash_info_t * info, ulong dest, ulong data)
+{
+ volatile u16 *addr = (volatile u16 *) dest;
+ ulong result;
+ int rc = ERR_OK;
+ int cflag, iflag;
+ int chip1;
+
+ /*
+ * Check if Flash is (sufficiently) erased
+ */
+ result = *addr;
+ if ((result & data) != data)
+ return ERR_NOT_ERASED;
+
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_PROGRAM;
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ set_timer (0);
+
+ /* wait until flash is ready */
+ chip1 = 0;
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer (0) > CFG_FLASH_ERASE_TOUT) {
+ chip1 = ERR | TMO;
+ break;
+ }
+ if (!chip1 && ((result & 0x80) == (data & 0x80)))
+ chip1 = READY;
+
+ } while (!chip1);
+
+ *addr = CMD_READ_ARRAY;
+
+ if (chip1 == ERR || *addr != data)
+ rc = ERR_PROG_ERROR;
+
+ if (iflag)
+ enable_interrupts ();
+
+ if (cflag)
+ icache_enable ();
+
+ return rc;
+}
+
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong wp, data;
+ int rc;
+
+ if (addr & 1) {
+ printf ("unaligned destination not supported\n");
+ return ERR_ALIGN;
+ }
+
+#if 0
+ if (cnt & 1) {
+ printf ("odd transfer sizes not supported\n");
+ return ERR_ALIGN;
+ }
+#endif
+
+ wp = addr;
+
+ if (addr & 1) {
+ data = (*((volatile u8 *) addr) << 8) | *((volatile u8 *)
+ src);
+ if ((rc = write_word (info, wp - 1, data)) != 0) {
+ return (rc);
+ }
+ src += 1;
+ wp += 1;
+ cnt -= 1;
+ }
+
+ while (cnt >= 2) {
+ data = *((volatile u16 *) src);
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 2;
+ wp += 2;
+ cnt -= 2;
+ }
+
+ if (cnt == 1) {
+ data = (*((volatile u8 *) src) << 8) |
+ *((volatile u8 *) (wp + 1));
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 1;
+ wp += 1;
+ cnt -= 1;
+ }
+
+ return ERR_OK;
+}
diff --git a/board/m5282evb/m5282evb.c b/board/m5282evb/m5282evb.c
new file mode 100644
index 000000000..a08af68ae
--- /dev/null
+++ b/board/m5282evb/m5282evb.c
@@ -0,0 +1,35 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+
+int checkboard (void)
+{
+ puts ("MOTOROLA M5272EVB Evaluation Board\n");
+ return 0;
+}
+
+long int initdram (int board_type)
+{
+ return 0x1000000;
+}
diff --git a/board/m5282evb/u-boot.lds b/board/m5282evb/u-boot.lds
new file mode 100644
index 000000000..0d3829ab2
--- /dev/null
+++ b/board/m5282evb/u-boot.lds
@@ -0,0 +1,135 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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
+ */
+
+OUTPUT_ARCH(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/coldfire/start.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/string.o (.text)
+ lib_generic/vsprintf.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_generic/zlib.o (.text)
+
+/* . = env_offset; */
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ _sbss = .;
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .;
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/board/m5282evb/u-boot.lds.debug b/board/m5282evb/u-boot.lds.debug
new file mode 100644
index 000000000..cb2a729fe
--- /dev/null
+++ b/board/m5282evb/u-boot.lds.debug
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/mpc8xx/start.o (.text)
+ common/dlmalloc.o (.text)
+ ppc/vsprintf.o (.text)
+ ppc/crc32.o (.text)
+
+ . = env_offset;
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index 78d4612c8..5e31400c9 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -240,6 +240,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
if (hdr->ih_arch != IH_CPU_MIPS)
#elif defined(__nios__)
if (hdr->ih_arch != IH_CPU_NIOS)
+#elif defined(__M68K__)
+ if (hdr->ih_arch != IH_CPU_M68K)
#else
# error Unknown CPU type
#endif
diff --git a/cpu/coldfire/Makefile b/cpu/coldfire/Makefile
new file mode 100644
index 000000000..085d840c0
--- /dev/null
+++ b/cpu/coldfire/Makefile
@@ -0,0 +1,45 @@
+#
+# (C) Copyright 2000-2003
+# 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 $(TOPDIR)/config.mk
+
+# CFLAGS += -DET_DEBUG
+
+LIB = lib$(CPU).a
+
+START =
+OBJS = kgdb.o serial.o interrupts.o cpu.o speed.o cpu_init.o fec.o
+
+all: .depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) crv $@ $(OBJS) kgdb.o
+
+#########################################################################
+
+.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/cpu/coldfire/config.mk b/cpu/coldfire/config.mk
new file mode 100644
index 000000000..72b33cea2
--- /dev/null
+++ b/cpu/coldfire/config.mk
@@ -0,0 +1,26 @@
+#
+# (C) Copyright 2000-2003
+# 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
+#
+
+PLATFORM_RELFLAGS +=
+
+PLATFORM_CPPFLAGS += -m5200
diff --git a/cpu/coldfire/cpu.c b/cpu/coldfire/cpu.c
new file mode 100644
index 000000000..5ce063990
--- /dev/null
+++ b/cpu/coldfire/cpu.c
@@ -0,0 +1,87 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+#include <watchdog.h>
+#include <command.h>
+#ifdef CONFIG_M5272
+#include <asm/m5272.h>
+#endif
+#ifdef CONFIG_M5282
+#include <asm/m5282.h>
+#endif
+#include <asm/cache.h>
+
+int do_reset (cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ return 0;
+}
+
+unsigned long get_tbclk (void)
+{
+ return CFG_HZ;
+}
+
+int checkcpu (void)
+{
+#ifdef CONFIG_M5272
+ puts ("MOTOROLA Coldfire MCF5272\n");
+#endif
+#ifdef CONFIG_M5282
+ puts ("MOTOROLA Coldfire MCF5282\n");
+#endif
+ return 0;
+}
+
+void do_exception (void)
+{
+ printf ("\n\n*** Unexpected exception ... Reset Board! ***\n");
+ for (;;);
+}
+
+void do_buserror (void)
+{
+ printf ("\n\n*** Bus error ... Reset Board! ***\n");
+ for (;;);
+}
+
+void do_addresserror (void)
+{
+ printf ("\n\n*** Address error ... Reset Board! ***\n");
+ for (;;);
+}
+
+void trap_init (ulong value)
+{
+ extern void buserror_handler (void);
+ extern void addresserror_handler (void);
+ extern void exception_handler (void);
+ unsigned long *vec = 0;
+ int i;
+
+ vec[2] = buserror_handler;
+ vec[3] = addresserror_handler;
+ for (i = 4; i < 256; i++) {
+ vec[i] = exception_handler;
+ }
+}
diff --git a/cpu/coldfire/fec.c b/cpu/coldfire/fec.c
new file mode 100644
index 000000000..53a93c1ce
--- /dev/null
+++ b/cpu/coldfire/fec.c
@@ -0,0 +1,300 @@
+/*
+ * (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 <common.h>
+#include <commproc.h>
+#include <net.h>
+#include <command.h>
+
+
+
+/**************************************************************
+ *
+ * FEC Ethernet Initialization Routine
+ *
+ *************************************************************/
+
+#define FEC_ECNTRL_ETHER_EN 0x00000002
+#define FEC_ECNTRL_RESET 0x00000001
+
+#define FEC_RCNTRL_BC_REJ 0x00000010
+#define FEC_RCNTRL_PROM 0x00000008
+#define FEC_RCNTRL_MII_MODE 0x00000004
+#define FEC_RCNTRL_DRT 0x00000002
+#define FEC_RCNTRL_LOOP 0x00000001
+
+#define FEC_TCNTRL_FDEN 0x00000004
+#define FEC_TCNTRL_HBC 0x00000002
+#define FEC_TCNTRL_GTS 0x00000001
+
+#define FEC_RESET_DELAY 50000
+
+
+
+/* Ethernet Transmit and Receive Buffers */
+#define DBUF_LENGTH 1520
+
+#define TX_BUF_CNT 2
+
+#define TOUT_LOOP 100
+
+#define PKT_MAXBUF_SIZE 1518
+#define PKT_MINBUF_SIZE 64
+#define PKT_MAXBLR_SIZE 1520
+
+
+
+#ifdef CONFIG_M5272
+#define FEC_ADDR 0x10000840
+#endif
+#ifdef CONFIG_M5282
+#define FEC_ADDR 0x40001000
+#endif
+
+#undef ET_DEBUG
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(FEC_ENET)
+
+
+
+static char txbuf[DBUF_LENGTH];
+
+static uint rxIdx; /* index of the current RX buffer */
+static uint txIdx; /* index of the current TX buffer */
+
+/*
+ * FEC Ethernet Tx and Rx buffer descriptors allocated at the
+ * immr->udata_bd address on Dual-Port RAM
+ * Provide for Double Buffering
+ */
+
+typedef volatile struct CommonBufferDescriptor {
+ cbd_t rxbd[PKTBUFSRX]; /* Rx BD */
+ cbd_t txbd[TX_BUF_CNT]; /* Tx BD */
+} RTXBD;
+
+static RTXBD *rtx = 0x380000;
+
+
+int eth_send(volatile void *packet, int length)
+{
+ int j, rc;
+ volatile fec_t *fecp = FEC_ADDR;
+
+ /* section 16.9.23.3
+ * Wait for ready
+ */
+ j = 0;
+ while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) && (j<TOUT_LOOP)) {
+ udelay(1);
+ j++;
+ }
+ if (j>=TOUT_LOOP) {
+ printf("TX not ready\n");
+ }
+
+ rtx->txbd[txIdx].cbd_bufaddr = (uint)packet;
+ rtx->txbd[txIdx].cbd_datlen = length;
+ rtx->txbd[txIdx].cbd_sc |= BD_ENET_TX_READY | BD_ENET_TX_LAST;
+
+ /* Activate transmit Buffer Descriptor polling */
+ fecp->fec_x_des_active = 0x01000000; /* Descriptor polling active */
+
+ j = 0;
+ while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) && (j<TOUT_LOOP)) {
+ udelay(1);
+ j++;
+ }
+ if (j>=TOUT_LOOP) {
+ printf("TX timeout\n");
+ }
+#ifdef ET_DEBUG
+ printf("%s[%d] %s: cycles: %d status: %x retry cnt: %d\n",
+ __FILE__,__LINE__,__FUNCTION__,j,rtx->txbd[txIdx].cbd_sc,
+ (rtx->txbd[txIdx].cbd_sc & 0x003C)>>2);
+#endif
+ /* return only status bits */;
+ rc = (rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_STATS);
+
+ txIdx = (txIdx + 1) % TX_BUF_CNT;
+
+ return rc;
+}
+
+int eth_rx(void)
+{
+ int length;
+ volatile fec_t *fecp = FEC_ADDR;
+
+ for (;;)
+ {
+ /* section 16.9.23.2 */
+ if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
+ length = -1;
+ break; /* nothing received - leave for() loop */
+ }
+
+ length = rtx->rxbd[rxIdx].cbd_datlen;
+
+ if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) {
+#ifdef ET_DEBUG
+ printf("%s[%d] err: %x\n",
+ __FUNCTION__,__LINE__,rtx->rxbd[rxIdx].cbd_sc);
+#endif
+ } else {
+ /* Pass the packet up to the protocol layers. */
+ NetReceive(NetRxPackets[rxIdx], length - 4);
+ }
+
+ /* Give the buffer back to the FEC. */
+ rtx->rxbd[rxIdx].cbd_datlen = 0;
+
+ /* wrap around buffer index when necessary */
+ if ((rxIdx + 1) >= PKTBUFSRX) {
+ rtx->rxbd[PKTBUFSRX - 1].cbd_sc = (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
+ rxIdx = 0;
+ } else {
+ rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
+ rxIdx++;
+ }
+
+ /* Try to fill Buffer Descriptors */
+ fecp->fec_r_des_active = 0x01000000; /* Descriptor polling active */
+ }
+
+ return length;
+}
+
+
+int eth_init (bd_t * bd)
+{
+
+ int i;
+ volatile fec_t *fecp = FEC_ADDR;
+
+ /* Whack a reset.
+ * A delay is required between a reset of the FEC block and
+ * initialization of other FEC registers because the reset takes
+ * some time to complete. If you don't delay, subsequent writes
+ * to FEC registers might get killed by the reset routine which is
+ * still in progress.
+ */
+
+ fecp->fec_ecntrl = FEC_ECNTRL_RESET;
+ for (i = 0;
+ (fecp->fec_ecntrl & FEC_ECNTRL_RESET) && (i < FEC_RESET_DELAY);
+ ++i) {
+ udelay (1);
+ }
+ if (i == FEC_RESET_DELAY) {
+ printf ("FEC_RESET_DELAY timeout\n");
+ return 0;
+ }
+
+ /* We use strictly polling mode only
+ */
+ fecp->fec_imask = 0;
+
+ /* Clear any pending interrupt */
+ fecp->fec_ievent = 0xffffffff;
+
+ /* Set station address */
+#define ea bd->bi_enetaddr
+ fecp->fec_addr_low = (ea[0] << 24) | (ea[1] << 16) |
+ (ea[2] << 8) | (ea[3] ) ;
+ fecp->fec_addr_high = (ea[4] << 24) | (ea[5] << 16 ) ;
+#undef ea
+
+ /* Clear multicast address hash table
+ */
+ fecp->fec_hash_table_high = 0;
+ fecp->fec_hash_table_low = 0;
+
+ /* Set maximum receive buffer size.
+ */
+ fecp->fec_r_buff_size = PKT_MAXBLR_SIZE;
+
+ /*
+ * Setup Buffers and Buffer Desriptors
+ */
+ rxIdx = 0;
+ txIdx = 0;
+
+ /*
+ * Setup Receiver Buffer Descriptors (13.14.24.18)
+ * Settings:
+ * Empty, Wrap
+ */
+ for (i = 0; i < PKTBUFSRX; i++) {
+ rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY;
+ rtx->rxbd[i].cbd_datlen = 0; /* Reset */
+ rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i];
+ }
+ rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP;
+
+ /*
+ * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19)
+ * Settings:
+ * Last, Tx CRC
+ */
+ for (i = 0; i < TX_BUF_CNT; i++) {
+ rtx->txbd[i].cbd_sc = BD_ENET_TX_LAST | BD_ENET_TX_TC;
+ rtx->txbd[i].cbd_datlen = 0; /* Reset */
+ rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]);
+ }
+ rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP;
+
+ /* Set receive and transmit descriptor base
+ */
+ fecp->fec_r_des_start = (unsigned int) (&rtx->rxbd[0]);
+ fecp->fec_x_des_start = (unsigned int) (&rtx->txbd[0]);
+
+ /* Enable MII mode
+ */
+
+ /* Half duplex mode */
+ fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE<<16) | FEC_RCNTRL_MII_MODE;
+ fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE<<16) | FEC_RCNTRL_MII_MODE;
+ fecp->fec_x_cntrl = 0;
+
+ fecp->fec_mii_speed = 0;
+
+ /* Now enable the transmit and receive processing
+ */
+ fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN;
+
+ /* And last, try to fill Rx Buffer Descriptors */
+ fecp->fec_r_des_active = 0x01000000; /* Descriptor polling active */
+
+ return 1;
+}
+
+
+
+void eth_halt(void)
+{
+ volatile fec_t *fecp = FEC_ADDR;
+ fecp->fec_ecntrl = 0;
+}
+
+#endif
diff --git a/cpu/coldfire/fec.h b/cpu/coldfire/fec.h
new file mode 100644
index 000000000..a49417c66
--- /dev/null
+++ b/cpu/coldfire/fec.h
@@ -0,0 +1,28 @@
+/*
+ * (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
+ */
+
+#ifndef _FEC_H_
+#define _FEC_H_
+
+
+#endif /* _FEC_H_ */
diff --git a/cpu/coldfire/interrupts.c b/cpu/coldfire/interrupts.c
new file mode 100644
index 000000000..3861ff101
--- /dev/null
+++ b/cpu/coldfire/interrupts.c
@@ -0,0 +1,127 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+#include <watchdog.h>
+#ifdef CONFIG_M5272
+#include <asm/m5272.h>
+#endif
+#ifdef CONFIG_M5282
+#include <asm/m5282.h>
+#endif
+#include <asm/mcftimer.h>
+#include <asm/processor.h>
+#include <commproc.h>
+
+static ulong timestamp;
+static unsigned short lastinc;
+
+void coldfire_timer_init (void)
+{
+ volatile unsigned short *timerp;
+
+ timerp = (volatile unsigned short *) (MCF_MBAR + MCFTIMER_BASE4);
+ timestamp = 0;
+
+#ifdef CONFIG_M5272
+ /* Set up TIMER 4 as poll clock */
+ timerp[MCFTIMER_TMR] = MCFTIMER_TMR_DISABLE;
+ timerp[MCFTIMER_TRR] = lastinc = 0;
+ timerp[MCFTIMER_TMR] = (65 << 8) | MCFTIMER_TMR_CLK1 |
+ MCFTIMER_TMR_FREERUN | MCFTIMER_TMR_ENABLE;
+#endif
+
+#ifdef CONFIG_M5282
+ /* Set up TIMER 4 as poll clock */
+ timerp[MCFTIMER_PCSR] = MCFTIMER_PCSR_OVW;
+ timerp[MCFTIMER_PMR] = lastinc = 0;
+ timerp[MCFTIMER_PCSR] =
+ (5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW;
+#endif
+}
+
+
+void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
+{
+}
+void irq_free_handler (int vec)
+{
+}
+
+int interrupt_init (void)
+{
+ coldfire_timer_init ();
+ return 0;
+}
+
+void enable_interrupts ()
+{
+}
+int disable_interrupts ()
+{
+ return 0;
+}
+
+void set_timer (ulong t)
+{
+ volatile unsigned short *timerp;
+
+ timerp = (volatile unsigned short *) (MCF_MBAR + MCFTIMER_BASE4);
+ timestamp = 0;
+
+#ifdef CONFIG_M5272
+ timerp[MCFTIMER_TRR] = lastinc = 0;
+#endif
+
+#ifdef CONFIG_M5282
+ timerp[MCFTIMER_PMR] = lastinc = 0;
+#endif
+}
+
+ulong get_timer (ulong base)
+{
+ unsigned short now, diff;
+ volatile unsigned short *timerp;
+
+ timerp = (volatile unsigned short *) (MCF_MBAR + MCFTIMER_BASE4);
+
+#ifdef CONFIG_M5272
+ now = timerp[MCFTIMER_TCN];
+ diff = (now - lastinc);
+#endif
+
+#ifdef CONFIG_M5282
+ now = timerp[MCFTIMER_PCNTR];
+ diff = -(now - lastinc);
+#endif
+
+ timestamp += diff;
+ lastinc = now;
+ return timestamp - base;
+}
+
+void wait_ticks (unsigned long ticks)
+{
+ set_timer (0);
+ while (get_timer (0) < ticks);
+}
diff --git a/cpu/coldfire/serial.c b/cpu/coldfire/serial.c
new file mode 100644
index 000000000..a140fe3db
--- /dev/null
+++ b/cpu/coldfire/serial.c
@@ -0,0 +1,168 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+#include <commproc.h>
+#include <command.h>
+
+#ifdef CONFIG_M5272
+#include <asm/m5272.h>
+#endif
+#ifdef CONFIG_M5282
+#include <asm/m5282.h>
+#endif
+#include <asm/mcfuart.h>
+
+#define DoubleClock(a) ((double)(MCF_CLK) / 32.0 / (double)(a))
+
+void rs_serial_setbaudrate (int port, int baudrate)
+{
+#ifdef CONFIG_M5272
+ volatile unsigned char *uartp;
+ double clock, fraction;
+
+ if (port == 0)
+ uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1);
+ else
+ uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE2);
+
+ clock = DoubleClock (baudrate); /* Set baud above */
+
+ fraction = ((clock - (int) clock) * 16.0) + 0.5;
+
+ uartp[MCFUART_UBG1] = (((int) clock >> 8) & 0xff); /* set msb baud */
+ uartp[MCFUART_UBG2] = ((int) clock & 0xff); /* set lsb baud */
+ uartp[MCFUART_UFPD] = ((int) fraction & 0xf); /* set baud fraction adjust */
+#endif
+}
+
+void rs_serial_init (int port, int baudrate)
+{
+ volatile unsigned char *uartp;
+ double clock, fraction;
+
+ /*
+ * Reset UART, get it into known state...
+ */
+ if (port == 0)
+ uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1);
+ else
+ uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE2);
+
+ uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */
+ uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */
+ uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETMRPTR; /* reset MR pointer */
+ uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR; /* reset Error pointer */
+
+ /*
+ * Set port for CONSOLE_BAUD_RATE, 8 data bits, 1 stop bit, no parity.
+ */
+ uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8;
+ uartp[MCFUART_UMR] = MCFUART_MR2_STOP1;
+
+ rs_serial_setbaudrate (port, baudrate);
+
+ uartp[MCFUART_UCSR] =
+ MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER;
+ uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE;
+
+ return;
+}
+
+
+/****************************************************************************/
+
+/*
+ * Output a single character, using UART polled mode.
+ * This is used for console output.
+ */
+
+void rs_put_char (char ch)
+{
+ volatile unsigned char *uartp;
+ int i;
+
+ uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1);
+
+ for (i = 0; (i < 0x10000); i++) {
+ if (uartp[MCFUART_USR] & MCFUART_USR_TXREADY)
+ break;
+ }
+ uartp[MCFUART_UTB] = ch;
+ return;
+}
+
+int rs_is_char (void)
+{
+ volatile unsigned char *uartp;
+
+ uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1);
+ return ((uartp[MCFUART_USR] & MCFUART_USR_RXREADY) ? 1 : 0);
+}
+
+int rs_get_char (void)
+{
+ volatile unsigned char *uartp;
+
+ uartp = (volatile unsigned char *) (MCF_MBAR + MCFUART_BASE1);
+ return (uartp[MCFUART_URB]);
+}
+
+void serial_setbrg (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ rs_serial_setbaudrate (0, gd->bd->bi_baudrate);
+}
+
+int serial_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ rs_serial_init (0, gd->bd->bi_baudrate);
+ return 0;
+}
+
+
+void serial_putc (const char c)
+{
+ if (c == '\n')
+ serial_putc ('\r');
+ rs_put_char (c);
+}
+
+void serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+int serial_getc (void)
+{
+ while (!rs_is_char ());
+ return rs_get_char ();
+}
+
+int serial_tstc ()
+{
+ return rs_is_char ();
+}
diff --git a/cpu/coldfire/speed.c b/cpu/coldfire/speed.c
new file mode 100644
index 000000000..0fe0925d1
--- /dev/null
+++ b/cpu/coldfire/speed.c
@@ -0,0 +1,35 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+#include <asm/processor.h>
+
+ulong get_gclk_freq (void)
+{
+ return 0;
+}
+
+ulong get_bus_freq (ulong gclk_freq)
+{
+ return 0;
+}
diff --git a/cpu/coldfire/start.S b/cpu/coldfire/start.S
new file mode 100644
index 000000000..7e02661e0
--- /dev/null
+++ b/cpu/coldfire/start.S
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 1998 Dan Malek <dmalek@jlc.net>
+ * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
+ * Copyright (C) 2000-2003 Wolfgang Denk <wd@denx.de>
+ * Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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 "version.h"
+
+#ifndef CONFIG_IDENT_STRING
+#define CONFIG_IDENT_STRING ""
+#endif
+
+#define MCF_MBAR 0x10000000
+#define MEM_BUILTIN_ADDR 0x20000000
+#define MEM_BUILTIN_SIZE 0x1000
+#define DRAM_ADDR 0x0
+#define DRAM_SIZE 0x400000
+
+ .text
+
+ .globl _start
+_start:
+ nop
+ nop
+ move.w #0x2700,%sr
+
+ move.l #0, %d0
+ movec %d0, %VBR
+
+#ifdef CONFIG_M5272
+ move.l #(MCF_MBAR+1), %d0
+ move.c %d0, %MBAR
+
+ move.l #(MEM_BUILTIN_ADDR+1), %d0
+ movec %d0, %RAMBAR0
+
+ move.l #0x01000000, %d0 /* Invalidate cache cmd */
+ movec %d0, %CACR /* Invalidate cache */
+ move.l #0x0000c000, %d0 /* Setup cache mask */
+ movec %d0, %ACR0 /* Enable cache */
+ move.l #0xff00c000, %d0 /* Setup cache mask */
+ movec %d0, %ACR1 /* Enable cache */
+ move.l #0x80000100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+#endif
+
+ move.l #_sbss,%a0
+ move.l #_ebss,%d0
+1:
+ clr.l (%a0)+
+ cmp.l %a0,%d0
+ bne.s 1b
+
+/* move.l #MEM_BUILTIN_ADDR+MEM_BUILTIN_SIZE, %sp */
+ move.l #DRAM_ADDR+DRAM_SIZE, %sp
+ clr.l %sp@-
+
+ jsr board_init_f
+
+ .globl exception_handler
+exception_handler:
+ move.w #0x2700,%sr
+ lea %sp@(-60),%sp
+ movem.l %d0-%d7/%a0-%a6,%sp@
+ jsr do_exception
+ movem.l %sp@,%d0-%d7/%a0-%a6
+ lea %sp@(60),%sp
+ rte
+
+ .globl buserror_handler
+buserror_handler:
+ move.w #0x2700,%sr
+ lea %sp@(-60),%sp
+ movem.l %d0-%d7/%a0-%a6,%sp@
+ jsr do_buserror
+ movem.l %sp@,%d0-%d7/%a0-%a6
+ lea %sp@(60),%sp
+ rte
+
+ .globl addresserror_handler
+addresserror_handler:
+ move.w #0x2700,%sr
+ lea %sp@(-60),%sp
+ movem.l %d0-%d7/%a0-%a6,%sp@
+ jsr do_buserror
+ movem.l %sp@,%d0-%d7/%a0-%a6
+ lea %sp@(60),%sp
+ rte
+
+ .globl get_endaddr
+get_endaddr:
+ movel #_end,%d0
+ rts
+
+#ifdef CONFIG_M5272
+ .globl icache_enable
+icache_enable:
+ move.l #0x01000000, %d0 /* Invalidate cache cmd */
+ movec %d0, %CACR /* Invalidate cache */
+ move.l #0x0000c000, %d0 /* Setup cache mask */
+ movec %d0, %ACR0 /* Enable cache */
+ move.l #0xff00c000, %d0 /* Setup cache mask */
+ movec %d0, %ACR1 /* Enable cache */
+ move.l #0x80000100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+ moveq #1, %d0
+ move.l %d0, icache_state
+ rts
+
+ .globl icache_disable
+icache_disable:
+ move.l #0x00000100, %d0 /* Setup cache mask */
+ movec %d0, %CACR /* Enable cache */
+ clr.l %d0 /* Setup cache mask */
+ movec %d0, %ACR0 /* Enable cache */
+ movec %d0, %ACR1 /* Enable cache */
+ moveq #0, %d0
+ move.l %d0, icache_state
+ rts
+#endif
+
+#ifdef CONFIG_M5282
+ .globl icache_enable
+icache_enable:
+ rts
+
+ .globl icache_disable
+icache_disable:
+ rts
+#endif
+
+ .globl icache_status
+icache_status:
+ move.l icache_state, %d0
+ rts
+
+ .data
+icache_state:
+ .long 1
+
+ .globl version_string
+version_string:
+ .ascii U_BOOT_VERSION
+ .ascii " (", __DATE__, " - ", __TIME__, ")"
+ .ascii CONFIG_IDENT_STRING, "\0"
diff --git a/examples/Makefile b/examples/Makefile
index 1e40c829e..7a7739f6d 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -56,6 +56,11 @@ SREC += sched.srec
BIN += sched.bin
endif
+ifeq ($(ARCH),m68k)
+SREC =
+BIN =
+endif
+
# The following example is pretty 8xx specific...
ifeq ($(CPU),mpc8xx)
SREC += timer.srec
diff --git a/include/asm-m68k/global_data.h b/include/asm-m68k/global_data.h
new file mode 100644
index 000000000..89bc0ad3f
--- /dev/null
+++ b/include/asm-m68k/global_data.h
@@ -0,0 +1,62 @@
+/*
+ * (C) Copyright 2002-2003
+ * 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
+ */
+
+#ifndef __ASM_GBL_DATA_H
+#define __ASM_GBL_DATA_H
+/*
+ * The following data structure is placed in some memory wich is
+ * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
+ * some locked parts of the data cache) to allow for a minimum set of
+ * global variables during system initialization (until we have set
+ * up the memory controller so that we can use RAM).
+ *
+ * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t)
+ */
+
+typedef struct global_data {
+ bd_t *bd;
+ unsigned long flags;
+ unsigned long baudrate;
+ unsigned long cpu_clk; /* CPU clock in Hz! */
+ unsigned long bus_clk;
+ unsigned long ram_size; /* RAM size */
+ unsigned long reloc_off; /* Relocation Offset */
+ unsigned long reset_status; /* reset status register at boot */
+ unsigned long env_addr; /* Address of Environment struct */
+ unsigned long env_valid; /* Checksum of Environment valid? */
+ unsigned long have_console; /* serial_init() was called */
+#ifdef CONFIG_BOARD_TYPES
+ unsigned long board_type;
+#endif
+} gd_t;
+
+/*
+ * Global Data Flags
+ */
+#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
+#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
+
+extern gd_t *global_data;
+#define DECLARE_GLOBAL_DATA_PTR gd_t *gd = global_data
+
+#endif /* __ASM_GBL_DATA_H */
diff --git a/include/asm-m68k/io.h b/include/asm-m68k/io.h
new file mode 100644
index 000000000..79a9626b5
--- /dev/null
+++ b/include/asm-m68k/io.h
@@ -0,0 +1 @@
+/* */
diff --git a/include/asm-m68k/posix_types.h b/include/asm-m68k/posix_types.h
new file mode 100644
index 000000000..4fbc0405f
--- /dev/null
+++ b/include/asm-m68k/posix_types.h
@@ -0,0 +1,109 @@
+#ifndef _M68K_POSIX_TYPES_H
+#define _M68K_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc. Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned int __kernel_dev_t;
+typedef unsigned int __kernel_ino_t;
+typedef unsigned int __kernel_mode_t;
+typedef unsigned short __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef unsigned int __kernel_uid_t;
+typedef unsigned int __kernel_gid_t;
+typedef unsigned int __kernel_size_t;
+typedef int __kernel_ssize_t;
+typedef long __kernel_ptrdiff_t;
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef int __kernel_daddr_t;
+typedef char * __kernel_caddr_t;
+typedef short __kernel_ipc_pid_t;
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef unsigned int __kernel_uid32_t;
+typedef unsigned int __kernel_gid32_t;
+
+typedef unsigned int __kernel_old_uid_t;
+typedef unsigned int __kernel_old_gid_t;
+
+#ifdef __GNUC__
+typedef long long __kernel_loff_t;
+#endif
+
+typedef struct {
+ int val[2];
+} __kernel_fsid_t;
+
+#ifndef __GNUC__
+
+#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+#define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
+#define __FD_ZERO(set) \
+ ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
+
+#else /* __GNUC__ */
+
+#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \
+ || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
+/* With GNU C, use inline functions instead so args are evaluated only once: */
+
+#undef __FD_SET
+static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
+{
+ unsigned long _tmp = fd / __NFDBITS;
+ unsigned long _rem = fd % __NFDBITS;
+ fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
+}
+
+#undef __FD_CLR
+static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
+{
+ unsigned long _tmp = fd / __NFDBITS;
+ unsigned long _rem = fd % __NFDBITS;
+ fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
+}
+
+#undef __FD_ISSET
+static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
+{
+ unsigned long _tmp = fd / __NFDBITS;
+ unsigned long _rem = fd % __NFDBITS;
+ return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
+}
+
+/*
+ * This will unroll the loop for the normal constant case (8 ints,
+ * for a 256-bit fd_set)
+ */
+#undef __FD_ZERO
+static __inline__ void __FD_ZERO(__kernel_fd_set *p)
+{
+ unsigned int *tmp = (unsigned int *)p->fds_bits;
+ int i;
+
+ if (__builtin_constant_p(__FDSET_LONGS)) {
+ switch (__FDSET_LONGS) {
+ case 8:
+ tmp[0] = 0; tmp[1] = 0; tmp[2] = 0; tmp[3] = 0;
+ tmp[4] = 0; tmp[5] = 0; tmp[6] = 0; tmp[7] = 0;
+ return;
+ }
+ }
+ i = __FDSET_LONGS;
+ while (i) {
+ i--;
+ *tmp = 0;
+ tmp++;
+ }
+}
+
+#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
+#endif /* __GNUC__ */
+#endif /* _M68K_POSIX_TYPES_H */
diff --git a/include/asm-m68k/ptrace.h b/include/asm-m68k/ptrace.h
new file mode 100644
index 000000000..343a9f497
--- /dev/null
+++ b/include/asm-m68k/ptrace.h
@@ -0,0 +1,108 @@
+#ifndef _M68K_PTRACE_H
+#define _M68K_PTRACE_H
+
+/*
+ * This struct defines the way the registers are stored on the
+ * kernel stack during a system call or other kernel entry.
+ *
+ * this should only contain volatile regs
+ * since we can keep non-volatile in the thread_struct
+ * should set this up when only volatiles are saved
+ * by intr code.
+ *
+ * Since this is going on the stack, *CARE MUST BE TAKEN* to insure
+ * that the overall structure is a multiple of 16 bytes in length.
+ *
+ * Note that the offsets of the fields in this struct correspond with
+ * the PT_* values below. This simplifies arch/ppc/kernel/ptrace.c.
+ */
+
+#include <linux/config.h>
+
+#ifndef __ASSEMBLY__
+#ifdef CONFIG_M68K64BRIDGE
+#define M68K_REG unsigned long /*long*/
+#else
+#define M68K_REG unsigned long
+#endif
+struct pt_regs {
+ M68K_REG gpr[32];
+ M68K_REG nip;
+ M68K_REG msr;
+ M68K_REG orig_gpr3; /* Used for restarting system calls */
+ M68K_REG ctr;
+ M68K_REG link;
+ M68K_REG xer;
+ M68K_REG ccr;
+ M68K_REG mq; /* 601 only (not used at present) */
+ /* Used on APUS to hold IPL value. */
+ M68K_REG trap; /* Reason for being here */
+ M68K_REG dar; /* Fault registers */
+ M68K_REG dsisr;
+ M68K_REG result; /* Result of a system call */
+};
+#endif
+
+#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
+
+/* Size of stack frame allocated when calling signal handler. */
+#define __SIGNAL_FRAMESIZE 64
+
+#define instruction_pointer(regs) ((regs)->nip)
+#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
+
+/*
+ * Offsets used by 'ptrace' system call interface.
+ * These can't be changed without breaking binary compatibility
+ * with MkLinux, etc.
+ */
+#define PT_R0 0
+#define PT_R1 1
+#define PT_R2 2
+#define PT_R3 3
+#define PT_R4 4
+#define PT_R5 5
+#define PT_R6 6
+#define PT_R7 7
+#define PT_R8 8
+#define PT_R9 9
+#define PT_R10 10
+#define PT_R11 11
+#define PT_R12 12
+#define PT_R13 13
+#define PT_R14 14
+#define PT_R15 15
+#define PT_R16 16
+#define PT_R17 17
+#define PT_R18 18
+#define PT_R19 19
+#define PT_R20 20
+#define PT_R21 21
+#define PT_R22 22
+#define PT_R23 23
+#define PT_R24 24
+#define PT_R25 25
+#define PT_R26 26
+#define PT_R27 27
+#define PT_R28 28
+#define PT_R29 29
+#define PT_R30 30
+#define PT_R31 31
+
+#define PT_NIP 32
+#define PT_MSR 33
+#ifdef __KERNEL__
+#define PT_ORIG_R3 34
+#endif
+#define PT_CTR 35
+#define PT_LNK 36
+#define PT_XER 37
+#define PT_CCR 38
+#define PT_MQ 39
+
+#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */
+#define PT_FPR31 (PT_FPR0 + 2*31)
+#define PT_FPSCR (PT_FPR0 + 2*32 + 1)
+
+#endif
+
diff --git a/include/asm-m68k/string.h b/include/asm-m68k/string.h
new file mode 100644
index 000000000..e0773a882
--- /dev/null
+++ b/include/asm-m68k/string.h
@@ -0,0 +1,31 @@
+#ifndef _M68K_STRING_H_
+#define _M68K_STRING_H_
+
+#if 0
+#define __HAVE_ARCH_STRCPY
+#define __HAVE_ARCH_STRNCPY
+#define __HAVE_ARCH_STRLEN
+#define __HAVE_ARCH_STRCMP
+#define __HAVE_ARCH_STRCAT
+#define __HAVE_ARCH_MEMSET
+#define __HAVE_ARCH_BCOPY
+#define __HAVE_ARCH_MEMCPY
+#define __HAVE_ARCH_MEMMOVE
+#define __HAVE_ARCH_MEMCMP
+#define __HAVE_ARCH_MEMCHR
+#endif
+
+extern int strcasecmp(const char *, const char *);
+extern int strncasecmp(const char *, const char *, int);
+extern char * strcpy(char *,const char *);
+extern char * strncpy(char *,const char *, __kernel_size_t);
+extern __kernel_size_t strlen(const char *);
+extern int strcmp(const char *,const char *);
+extern char * strcat(char *, const char *);
+extern void * memset(void *,int,__kernel_size_t);
+extern void * memcpy(void *,const void *,__kernel_size_t);
+extern void * memmove(void *,const void *,__kernel_size_t);
+extern int memcmp(const void *,const void *,__kernel_size_t);
+extern void * memchr(const void *,int,__kernel_size_t);
+
+#endif
diff --git a/include/asm-m68k/types.h b/include/asm-m68k/types.h
new file mode 100644
index 000000000..e673cb085
--- /dev/null
+++ b/include/asm-m68k/types.h
@@ -0,0 +1,50 @@
+#ifndef _M68K_TYPES_H
+#define _M68K_TYPES_H
+
+#ifndef __ASSEMBLY__
+
+typedef unsigned short umode_t;
+
+typedef __signed__ char __s8;
+typedef unsigned char __u8;
+
+typedef __signed__ short __s16;
+typedef unsigned short __u16;
+
+typedef __signed__ int __s32;
+typedef unsigned int __u32;
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+typedef __signed__ long long __s64;
+typedef unsigned long long __u64;
+#endif
+
+typedef struct {
+ __u32 u[4];
+} __attribute((aligned(16))) vector128;
+
+#ifdef __KERNEL__
+/*
+ * These aren't exported outside the kernel to avoid name space clashes
+ */
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed int s32;
+typedef unsigned int u32;
+
+typedef signed long long s64;
+typedef unsigned long long u64;
+
+#define BITS_PER_LONG 32
+
+/* DMA addresses are 32-bits wide */
+typedef u32 dma_addr_t;
+
+#endif /* __KERNEL__ */
+#endif /* __ASSEMBLY__ */
+
+#endif
diff --git a/include/asm-m68k/u-boot.h b/include/asm-m68k/u-boot.h
new file mode 100644
index 000000000..eaf1de74e
--- /dev/null
+++ b/include/asm-m68k/u-boot.h
@@ -0,0 +1,69 @@
+/*
+ * (C) Copyright 2000 - 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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
+ */
+
+#ifndef __U_BOOT_H__
+#define __U_BOOT_H__
+
+/*
+ * Board information passed to Linux kernel from U-Boot
+ *
+ * include/asm-ppc/u-boot.h
+ */
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+typedef struct bd_info {
+ unsigned long bi_memstart; /* start of DRAM memory */
+ unsigned long bi_memsize; /* size of DRAM memory in bytes */
+ unsigned long bi_flashstart; /* start of FLASH memory */
+ unsigned long bi_flashsize; /* size of FLASH memory */
+ unsigned long bi_flashoffset; /* reserved area for startup monitor */
+ unsigned long bi_sramstart; /* start of SRAM memory */
+ unsigned long bi_sramsize; /* size of SRAM memory */
+ unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */
+ unsigned long bi_boot_params; /* where this board expects params */
+ unsigned long bi_ip_addr; /* IP Address */
+ unsigned char bi_enetaddr[6]; /* Ethernet adress */
+ unsigned short bi_ethspeed; /* Ethernet speed in Mbps */
+ unsigned long bi_intfreq; /* Internal Freq, in MHz */
+ unsigned long bi_busfreq; /* Bus Freq, in MHz */
+ unsigned long bi_baudrate; /* Console Baudrate */
+} bd_t;
+
+#endif /* __ASSEMBLY__ */
+/* The following data structure is placed in DPRAM to allow for a
+ * minimum set of global variables during system initialization
+ * (until we have set up the memory controller so that we can use
+ * RAM).
+ *
+ * Keep it *SMALL* and remember to set CFG_INIT_DATA_SIZE > sizeof(init_data_t)
+ */
+typedef struct init_data {
+ unsigned long cpu_clk; /* VCOOUT = CPU clock in Hz! */
+ unsigned long env_addr; /* Address of Environment struct */
+ unsigned long env_valid; /* Checksum of Environment valid? */
+ unsigned long relocated; /* Relocat. offset when running in RAM */
+ unsigned long have_console; /* serial_init() was called */
+#ifdef CONFIG_LCD
+ unsigned long lcd_base; /* Base address of LCD frambuffer mem */
+#endif
+} init_data_t;
+#endif /* __U_BOOT_H__ */
diff --git a/include/configs/M5272C3.h b/include/configs/M5272C3.h
new file mode 100644
index 000000000..8d200f318
--- /dev/null
+++ b/include/configs/M5272C3.h
@@ -0,0 +1,40 @@
+#ifndef _CONFIG_M5272C3_H
+#define _CONFIG_M5272C3_H
+
+#define CONFIG_COMMANDS ( CONFIG_CMD_DFL & ~(CFG_CMD_LOADS | CFG_CMD_LOADB) )
+#include <cmd_confdefs.h>
+#define CONFIG_BOOTDELAY 5
+
+#define CFG_MAX_FLASH_SECT 11
+#define CFG_CACHELINE_SIZE 16
+#define CFG_MALLOC_LEN (256 << 10)
+#define CFG_INIT_RAM_ADDR 0x20000000
+#define CFG_INIT_RAM_SIZE 0x1000
+#define CFG_INIT_DATA_OFFSET 0
+#define CONFIG_BAUDRATE 19200
+#define CFG_MONITOR_BASE 0x3e0000
+#define CFG_MONITOR_LEN 0x20000
+#define CFG_SDRAM_BASE 0
+#define CFG_FLASH_BASE 0xffe00000
+#define CFG_PROMPT "MCF5272C3> "
+#define CFG_CBSIZE 1024
+#define CFG_MAXARGS 64
+#define CFG_LOAD_ADDR 0x20000
+#define CFG_BOOTMAPSZ 0
+#define CFG_BARGSIZE CFG_CBSIZE
+#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
+#define CFG_ENV_ADDR 0xffe04000
+#define CFG_ENV_SIZE 0x2000
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_PBSIZE 1024
+#define CFG_MAX_FLASH_BANKS 1
+#define CFG_MEMTEST_START 0x400
+#define CFG_MEMTEST_END 0x380000
+#define CFG_HZ 1000000
+#define CFG_FLASH_ERASE_TOUT 10000000
+
+#define FEC_ENET
+
+#define CONFIG_M5272
+
+#endif /* _CONFIG_M5272C3_H */
diff --git a/include/configs/M5282EVB.h b/include/configs/M5282EVB.h
new file mode 100644
index 000000000..bbac7d183
--- /dev/null
+++ b/include/configs/M5282EVB.h
@@ -0,0 +1,40 @@
+#ifndef _CONFIG_M5282EVB_H
+#define _CONFIG_M5282EVB_H
+
+#define CONFIG_COMMANDS ( CONFIG_CMD_DFL & ~(CFG_CMD_LOADS | CFG_CMD_LOADB) )
+#include <cmd_confdefs.h>
+#define CONFIG_BOOTDELAY 5
+
+#define CFG_MAX_FLASH_SECT 35
+#define CFG_CACHELINE_SIZE 16
+#define CFG_MALLOC_LEN (256 << 10)
+#define CFG_INIT_RAM_ADDR 0x20000000
+#define CFG_INIT_RAM_SIZE 0x1000
+#define CFG_INIT_DATA_OFFSET 0
+#define CONFIG_BAUDRATE 19200
+#define CFG_MONITOR_BASE 0x3e0000
+#define CFG_MONITOR_LEN 0x20000
+#define CFG_SDRAM_BASE 0
+#define CFG_FLASH_BASE 0xffe00000
+#define CFG_PROMPT "M5282EVB> "
+#define CFG_CBSIZE 1024
+#define CFG_MAXARGS 64
+#define CFG_LOAD_ADDR 0x20000
+#define CFG_BOOTMAPSZ 0
+#define CFG_BARGSIZE CFG_CBSIZE
+#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
+#define CFG_ENV_ADDR 0xffe04000
+#define CFG_ENV_SIZE 0x2000
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_PBSIZE 1024
+#define CFG_MAX_FLASH_BANKS 1
+#define CFG_MEMTEST_START 0x400
+#define CFG_MEMTEST_END 0x380000
+#define CFG_HZ 1000000
+#define CFG_FLASH_ERASE_TOUT 10000000
+
+#define FEC_ENET
+
+#define CONFIG_M5282
+
+#endif /* _CONFIG_M5282EVB_H */
diff --git a/include/flash.h b/include/flash.h
index 32f4f4a3b..800fb4dcd 100644
--- a/include/flash.h
+++ b/include/flash.h
@@ -136,6 +136,8 @@ extern int flash_real_protect(flash_info_t *info, long sector, int prot);
#define AMD_ID_LV116DT 0xC7 /* 29LV116DT ( 2 M x 8, top boot sect) */
#define AMD_ID_LV016B 0xc8 /* 29LV016 ID ( 2 M x 8) */
+#define AMD_ID_PL160CB 0x22452245 /* 29PL160CB ID (16 M, bottom boot sect */
+
#define AMD_ID_LV400T 0x22B922B9 /* 29LV400T ID ( 4 M, top boot sector) */
#define AMD_ID_LV400B 0x22BA22BA /* 29LV400B ID ( 4 M, bottom boot sect) */
diff --git a/lib_m68k/board.c b/lib_m68k/board.c
new file mode 100644
index 000000000..b4c61195a
--- /dev/null
+++ b/lib_m68k/board.c
@@ -0,0 +1,493 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+#include <watchdog.h>
+#include <command.h>
+#include <malloc.h>
+#include <devices.h>
+#include <syscall.h>
+#if (CONFIG_COMMANDS & CFG_CMD_IDE)
+#include <ide.h>
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_SCSI)
+#include <scsi.h>
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#include <kgdb.h>
+#endif
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#endif
+#include <net.h>
+#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
+#include <cmd_bedbug.h>
+#endif
+#ifdef CFG_ALLOC_DPRAM
+#include <commproc.h>
+#endif
+#include <version.h>
+
+static char *failed = "*** failed ***\n";
+
+#ifdef CONFIG_PCU_E
+extern flash_info_t flash_info[];
+#endif
+
+#if defined(CFG_ENV_IS_IN_FLASH)
+# ifndef CFG_ENV_ADDR
+# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
+# endif
+# ifndef CFG_ENV_SIZE
+# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+# endif
+# if (CFG_ENV_ADDR >= CFG_MONITOR_BASE) && \
+ (CFG_ENV_ADDR+CFG_ENV_SIZE) < (CFG_MONITOR_BASE + CFG_MONITOR_LEN)
+# define ENV_IS_EMBEDDED
+# endif
+#endif /* CFG_ENV_IS_IN_FLASH */
+#if ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
+ (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
+ defined(CFG_ENV_IS_IN_NVRAM)
+#define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
+#else
+#define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
+#endif
+
+/*
+ * Begin and End of memory area for malloc(), and current "brk"
+ */
+static ulong mem_malloc_start = 0;
+static ulong mem_malloc_end = 0;
+static ulong mem_malloc_brk = 0;
+
+/************************************************************************
+ * Utilities *
+ ************************************************************************
+ */
+
+/*
+ * The Malloc area is immediately below the monitor copy in DRAM
+ */
+static void mem_malloc_init (ulong dest_addr)
+{
+ mem_malloc_end = dest_addr;
+ mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
+ mem_malloc_brk = mem_malloc_start;
+
+ memset ((void *) mem_malloc_start, 0,
+ mem_malloc_end - mem_malloc_start);
+}
+
+void *sbrk (ptrdiff_t increment)
+{
+ ulong old = mem_malloc_brk;
+ ulong new = old + increment;
+
+ if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
+ return (NULL);
+ }
+ mem_malloc_brk = new;
+ return ((void *) old);
+}
+
+char *strmhz (char *buf, long hz)
+{
+ long l, n;
+ long m;
+
+ n = hz / 1000000L;
+
+ l = sprintf (buf, "%ld", n);
+
+ m = (hz % 1000000L) / 1000L;
+
+ if (m != 0)
+ sprintf (buf + l, ".%03ld", m);
+
+ return (buf);
+}
+
+static void syscalls_init (int reloc_off)
+{
+ ulong *addr;
+
+ addr = (ulong *) syscall_tbl;
+ syscall_tbl[SYSCALL_MALLOC] = (void *) malloc;
+ syscall_tbl[SYSCALL_FREE] = (void *) free;
+
+ syscall_tbl[SYSCALL_INSTALL_HDLR] = (void *) irq_install_handler;
+ syscall_tbl[SYSCALL_FREE_HDLR] = (void *) irq_free_handler;
+
+ addr = (ulong *) 0xc00; /* syscall ISR addr */
+
+ /* patch ISR code */
+ *addr++ |= (ulong) syscall_tbl >> 16;
+ *addr++ |= (ulong) syscall_tbl & 0xFFFF;
+ *addr++ |= NR_SYSCALLS >> 16;
+ *addr++ |= NR_SYSCALLS & 0xFFFF;
+}
+
+/************************************************************************
+ *
+ * This is the first part of the initialization sequence that is
+ * implemented in C, but still running from ROM.
+ *
+ * The main purpose is to provide a (serial) console interface as
+ * soon as possible (so we can see any error messages), and to
+ * initialize the RAM so that we can relocate the monitor code to
+ * RAM.
+ *
+ * Be aware of the restrictions: global data is read-only, BSS is not
+ * initialized, and stack space is limited to a few kB.
+ *
+ ************************************************************************
+ */
+
+
+gd_t *global_data;
+static gd_t gdata;
+static bd_t bdata;
+
+void board_init_f (ulong bootflag)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ bd_t *bd;
+ ulong reg, len, addr, addr_sp, dram_size;
+ int i, baudrate, board_type;
+ char *s, *e;
+ uchar tmp[64]; /* long enough for environment variables */
+
+ /* Pointer to initial global data area */
+ gd = global_data = &gdata;
+ bd = gd->bd = &bdata;
+
+ init_timebase ();
+ env_init ();
+
+ i = getenv_r ("baudrate", tmp, sizeof (tmp));
+ baudrate =
+ (i > 0) ? (int) simple_strtoul (tmp, NULL,
+ 10) : CONFIG_BAUDRATE;
+ bd->bi_baudrate = baudrate; /* Console Baudrate */
+
+ /* set up serial port */
+ serial_init ();
+
+ /* Initialize the console (before the relocation) */
+ console_init_f ();
+
+#ifdef DEBUG
+ if (sizeof (init_data_t) > CFG_INIT_DATA_SIZE) {
+ printf ("PANIC: sizeof(init_data_t)=%d > CFG_INIT_DATA_SIZE=%d\n", sizeof (init_data_t), CFG_INIT_DATA_SIZE);
+ hang ();
+ }
+#endif /* DEBUG */
+
+ /* now we can use standard printf/puts/getc/tstc functions */
+ display_options ();
+
+ puts ("CPU: "); /* Check CPU */
+ if (checkcpu () < 0) {
+ puts (failed);
+ hang ();
+ }
+
+ puts ("Board: "); /* Check Board */
+ if ((board_type = checkboard ()) < 0) {
+ puts (failed);
+ hang ();
+ }
+
+ puts ("DRAM: ");
+ if ((dram_size = initdram (board_type)) > 0) {
+ printf ("%2ld MB\n", dram_size >> 20);
+ } else {
+ puts (failed);
+ hang ();
+ }
+
+#if defined(CFG_DRAM_TEST)
+ if (testdram () != 0) {
+ hang ();
+ }
+#endif /* CFG_DRAM_TEST */
+
+ /*
+ * Now that we have DRAM mapped and working, we can
+ * relocate the code and continue running from DRAM.
+ *
+ * Reserve memory at end of RAM for (top down in that order):
+ * - protected RAM
+ * - LCD framebuffer
+ * - monitor code
+ * - board info struct
+ */
+ len = get_endaddr () - CFG_MONITOR_BASE;
+
+ if (len > CFG_MONITOR_LEN) {
+ printf ("*** u-boot size %ld > reserved memory (%d)\n",
+ len, CFG_MONITOR_LEN);
+ hang ();
+ }
+
+ if (CFG_MONITOR_LEN > len)
+ len = CFG_MONITOR_LEN;
+
+ addr = CFG_SDRAM_BASE + dram_size;
+ addr -= len;
+
+ /*
+ * Save local variables to board info struct
+ */
+ bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
+ bd->bi_memsize = dram_size; /* size of DRAM memory in bytes */
+ bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
+
+ i = getenv_r ("ethaddr", tmp, sizeof (tmp));
+ s = (i > 0) ? tmp : NULL;
+
+ for (reg = 0; reg < 6; ++reg) {
+ bd->bi_enetaddr[reg] = s ? simple_strtoul (s, &e, 16) : 0;
+ if (s)
+ s = (*e) ? e + 1 : e;
+ }
+
+ bd->bi_intfreq = get_gclk_freq (); /* Internal Freq, in Hz */
+ bd->bi_busfreq = get_bus_freq (get_gclk_freq ()); /* Bus Freq, in Hz */
+
+#ifdef CFG_EXTBDINFO
+ strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
+ strncpy (bd->bi_r_version, PPCBOOT_VERSION,
+ sizeof (bd->bi_r_version));
+
+ bd->bi_procfreq = get_gclk_freq (); /* Processor Speed, In Hz */
+ bd->bi_plb_busfreq = bd->bi_busfreq;
+#endif
+
+ board_init_final (addr);
+
+}
+
+
+/************************************************************************
+ *
+ * This is the next part if the initialization sequence: we are now
+ * running from RAM and have a "normal" C environment, i. e. global
+ * data can be written, BSS has been cleared, the stack size in not
+ * that critical any more, etc.
+ *
+ ************************************************************************
+ */
+
+void board_init_final (ulong dest_addr)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ char *s;
+ cmd_tbl_t *cmdtp;
+ ulong flash_size;
+ bd_t *bd;
+
+ bd = gd->bd;
+ // icache_enable(); /* it's time to enable the instruction cache */
+
+ /*
+ * Setup trap handlers
+ */
+ trap_init (dest_addr);
+
+ puts ("FLASH: ");
+
+ if ((flash_size = flash_init ()) > 0) {
+#ifdef CFG_FLASH_CHECKSUM
+ if (flash_size >= (1 << 20)) {
+ printf ("%2ld MB", flash_size >> 20);
+ } else {
+ printf ("%2ld kB", flash_size >> 10);
+ }
+ /*
+ * 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: %08lX",
+ crc32 (0,
+ (const unsigned char *) CFG_FLASH_BASE,
+ flash_size)
+ );
+ }
+ putc ('\n');
+#else
+ if (flash_size >= (1 << 20)) {
+ printf ("%2ld MB\n", flash_size >> 20);
+ } else {
+ printf ("%2ld kB\n", flash_size >> 10);
+ }
+#endif /* CFG_FLASH_CHECKSUM */
+ } else {
+ puts (failed);
+ hang ();
+ }
+
+ bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
+ bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
+ bd->bi_flashoffset = 0x10000; /* reserved area for startup monitor */
+
+ WATCHDOG_RESET ();
+
+ /* initialize higher level parts of CPU like time base and timers */
+ cpu_init_r ();
+
+ WATCHDOG_RESET ();
+
+ /* initialize malloc() area */
+ mem_malloc_init (dest_addr);
+
+#ifdef CONFIG_SPI
+# if !defined(CFG_ENV_IS_IN_EEPROM)
+ spi_init_f ();
+# endif
+ spi_init_r ();
+#endif
+
+ /* relocate environment function pointers etc. */
+ env_relocate ();
+
+ /* IP Address */
+ bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
+
+ WATCHDOG_RESET ();
+
+ /* allocate syscalls table (console_init_r will fill it in */
+ syscall_tbl = (void **) malloc (NR_SYSCALLS * sizeof (void *));
+
+ /* Initialize the console (after the relocation and devices init) */
+
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
+ defined(CONFIG_CCM) || \
+ defined(CONFIG_EP8260) || \
+ defined(CONFIG_IP860) || \
+ defined(CONFIG_IVML24) || \
+ defined(CONFIG_IVMS8) || \
+ defined(CONFIG_LWMON) || \
+ defined(CONFIG_MPC8260ADS) || \
+ defined(CONFIG_PCU_E) || \
+ defined(CONFIG_RPXSUPER) || \
+ defined(CONFIG_SPD823TS) )
+
+ WATCHDOG_RESET ();
+# ifdef DEBUG
+ puts ("Reset Ethernet PHY\n");
+# endif
+ reset_phy ();
+#endif
+
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+ WATCHDOG_RESET ();
+ puts ("KGDB: ");
+ kgdb_init ();
+#endif
+
+ /*
+ * Enable Interrupts
+ */
+ interrupt_init ();
+ udelay (20);
+ set_timer (0);
+
+ /* Insert function pointers now that we have relocated the code */
+
+ /* Initialize from environment */
+ if ((s = getenv ("loadaddr")) != NULL) {
+ load_addr = simple_strtoul (s, NULL, 16);
+ }
+#if (CONFIG_COMMANDS & CFG_CMD_NET)
+ if ((s = getenv ("bootfile")) != NULL) {
+ copy_filename (BootFile, s, sizeof (BootFile));
+ }
+#endif /* CFG_CMD_NET */
+
+ WATCHDOG_RESET ();
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
+ WATCHDOG_RESET ();
+ puts ("Net: ");
+ eth_initialize (bd);
+#endif
+
+#ifdef CONFIG_LAST_STAGE_INIT
+ WATCHDOG_RESET ();
+ /*
+ * Some parts can be only initialized if all others (like
+ * Interrupts) are up and running (i.e. the PC-style ISA
+ * keyboard).
+ */
+ last_stage_init ();
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
+ WATCHDOG_RESET ();
+ bedbug_init ();
+#endif
+
+#ifdef CONFIG_PRAM
+ /*
+ * Export available size of memory for Linux,
+ * taking into account the protected RAM at top of memory
+ */
+ {
+ ulong pram;
+ char *s;
+ uchar memsz[32];
+
+ if ((s = getenv ("pram")) != NULL) {
+ pram = simple_strtoul (s, NULL, 10);
+ } else {
+ pram = CONFIG_PRAM;
+ }
+ sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
+ setenv ("mem", memsz);
+ }
+#endif
+
+ /* Initialization complete - start the monitor */
+
+ /* main_loop() can return to retry autoboot, if so just run it again. */
+ for (;;) {
+ WATCHDOG_RESET ();
+ main_loop ();
+ }
+
+ /* NOTREACHED - no way out of command loop except booting */
+}
+
+void hang (void)
+{
+ puts ("### ERROR ### Please RESET the board ###\n");
+ for (;;);
+}
diff --git a/lib_m68k/extable.c b/lib_m68k/extable.c
new file mode 100644
index 000000000..afbc1ebb8
--- /dev/null
+++ b/lib_m68k/extable.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
+ *
+ * (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 <common.h>
+
+/*
+ * The exception table consists of pairs of addresses: the first is the
+ * address of an instruction that is allowed to fault, and the second is
+ * the address at which the program should continue. No registers are
+ * modified, so it is entirely up to the continuation code to figure out
+ * what to do.
+ *
+ * All the routines below use bits of fixup code that are out of line
+ * with the main instruction path. This means when everything is well,
+ * we don't even have to jump over them. Further, they do not intrude
+ * on our cache or tlb entries.
+ */
+
+struct exception_table_entry {
+ unsigned long insn, fixup;
+};
+
+extern const struct exception_table_entry __start___ex_table[];
+extern const struct exception_table_entry __stop___ex_table[];
+
+static inline unsigned long
+search_one_table (const struct exception_table_entry *first,
+ const struct exception_table_entry *last,
+ unsigned long value)
+{
+ while (first <= last) {
+ const struct exception_table_entry *mid;
+ long diff;
+
+ mid = (last - first) / 2 + first;
+ diff = mid->insn - value;
+ if (diff == 0)
+ return mid->fixup;
+ else if (diff < 0)
+ first = mid + 1;
+ else
+ last = mid - 1;
+ }
+ return 0;
+}
+
+int ex_tab_message = 1;
+
+unsigned long search_exception_table (unsigned long addr)
+{
+ unsigned long ret;
+
+ /* There is only the kernel to search. */
+ ret = search_one_table (__start___ex_table, __stop___ex_table - 1,
+ addr);
+ if (ex_tab_message)
+ printf ("Bus Fault @ 0x%08lx, fixup 0x%08lx\n", addr, ret);
+ if (ret)
+ return ret;
+
+ return 0;
+}
diff --git a/lib_m68k/m68k_linux.c b/lib_m68k/m68k_linux.c
new file mode 100644
index 000000000..b20393d01
--- /dev/null
+++ b/lib_m68k/m68k_linux.c
@@ -0,0 +1,274 @@
+/*
+ * (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 <common.h>
+#include <command.h>
+#include <cmd_boot.h>
+#include <image.h>
+#include <zlib.h>
+#include <asm/byteorder.h>
+
+#define PHYSADDR(x) x
+
+#define LINUX_MAX_ENVS 256
+#define LINUX_MAX_ARGS 256
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# include <status_led.h>
+# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
+#else
+# define SHOW_BOOT_PROGRESS(arg)
+#endif
+
+extern image_header_t header; /* from cmd_bootm.c */
+
+static int linux_argc;
+static char **linux_argv;
+
+static char **linux_env;
+static char *linux_env_p;
+static int linux_env_idx;
+
+static void linux_params_init (ulong start, char *commandline);
+static void linux_env_set (char *env_name, char *env_val);
+
+
+void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
+ ulong addr, ulong * len_ptr, int verify)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ ulong len = 0, checksum;
+ ulong initrd_start, initrd_end;
+ ulong data;
+ void (*theKernel) (int, char **, char **, int *);
+ image_header_t *hdr = &header;
+ char *commandline = getenv ("bootargs");
+ char env_buf[12];
+
+ theKernel =
+ (void (*)(int, char **, char **, int *)) ntohl (hdr->ih_ep);
+
+ /*
+ * Check if there is an initrd image
+ */
+ if (argc >= 3) {
+ SHOW_BOOT_PROGRESS (9);
+
+ addr = simple_strtoul (argv[2], NULL, 16);
+
+ printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
+
+ /* Copy header so we can blank CRC field for re-calculation */
+ memcpy (&header, (char *) addr, sizeof (image_header_t));
+
+ if (ntohl (hdr->ih_magic) != IH_MAGIC) {
+ printf ("Bad Magic Number\n");
+ SHOW_BOOT_PROGRESS (-10);
+ do_reset (cmdtp, flag, argc, argv);
+ }
+
+ data = (ulong) & header;
+ len = sizeof (image_header_t);
+
+ checksum = ntohl (hdr->ih_hcrc);
+ hdr->ih_hcrc = 0;
+
+ if (crc32 (0, (char *) data, len) != checksum) {
+ printf ("Bad Header Checksum\n");
+ SHOW_BOOT_PROGRESS (-11);
+ do_reset (cmdtp, flag, argc, argv);
+ }
+
+ SHOW_BOOT_PROGRESS (10);
+
+ print_image_hdr (hdr);
+
+ data = addr + sizeof (image_header_t);
+ len = ntohl (hdr->ih_size);
+
+ if (verify) {
+ ulong csum = 0;
+
+ printf (" Verifying Checksum ... ");
+ csum = crc32 (0, (char *) data, len);
+ if (csum != ntohl (hdr->ih_dcrc)) {
+ printf ("Bad Data CRC\n");
+ SHOW_BOOT_PROGRESS (-12);
+ do_reset (cmdtp, flag, argc, argv);
+ }
+ printf ("OK\n");
+ }
+
+ SHOW_BOOT_PROGRESS (11);
+
+ if ((hdr->ih_os != IH_OS_LINUX) ||
+ (hdr->ih_arch != IH_CPU_MIPS) ||
+ (hdr->ih_type != IH_TYPE_RAMDISK)) {
+ printf ("No Linux MIPS Ramdisk Image\n");
+ SHOW_BOOT_PROGRESS (-13);
+ do_reset (cmdtp, flag, argc, argv);
+ }
+
+ /*
+ * Now check if we have a multifile image
+ */
+ } else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
+ ulong tail = ntohl (len_ptr[0]) % 4;
+ int i;
+
+ SHOW_BOOT_PROGRESS (13);
+
+ /* skip kernel length and terminator */
+ data = (ulong) (&len_ptr[2]);
+ /* skip any additional image length fields */
+ for (i = 1; len_ptr[i]; ++i)
+ data += 4;
+ /* add kernel length, and align */
+ data += ntohl (len_ptr[0]);
+ if (tail) {
+ data += 4 - tail;
+ }
+
+ len = ntohl (len_ptr[1]);
+
+ } else {
+ /*
+ * no initrd image
+ */
+ SHOW_BOOT_PROGRESS (14);
+
+ data = 0;
+ }
+
+#ifdef DEBUG
+ if (!data) {
+ printf ("No initrd\n");
+ }
+#endif
+
+ if (data) {
+ initrd_start = data;
+ initrd_end = initrd_start + len;
+ } else {
+ initrd_start = 0;
+ initrd_end = 0;
+ }
+
+ SHOW_BOOT_PROGRESS (15);
+
+#ifdef DEBUG
+ printf ("## Transferring control to Linux (at address %08lx) ...\n",
+ (ulong) theKernel);
+#endif
+
+ linux_params_init (PHYSADDR (gd->bd->bi_boot_params), commandline);
+
+ sprintf (env_buf, "%lu", gd->ram_size >> 20);
+ linux_env_set ("memsize", env_buf);
+
+ sprintf (env_buf, "0x%08X", (uint) PHYSADDR (initrd_start));
+ linux_env_set ("initrd_start", env_buf);
+
+ sprintf (env_buf, "0x%X", (uint) (initrd_end - initrd_start));
+ linux_env_set ("initrd_size", env_buf);
+
+ sprintf (env_buf, "0x%08X", (uint) (gd->bd->bi_flashstart));
+ linux_env_set ("flash_start", env_buf);
+
+ sprintf (env_buf, "0x%X", (uint) (gd->bd->bi_flashsize));
+ linux_env_set ("flash_size", env_buf);
+
+ /* we assume that the kernel is in place */
+ printf ("\nStarting kernel ...\n\n");
+
+ theKernel (linux_argc, linux_argv, linux_env, 0);
+}
+
+static void linux_params_init (ulong start, char *line)
+{
+ char *next, *quote, *argp;
+
+ linux_argc = 1;
+ linux_argv = (char **) start;
+ linux_argv[0] = 0;
+ argp = (char *) (linux_argv + LINUX_MAX_ARGS);
+
+ next = line;
+
+ while (line && *line && linux_argc < LINUX_MAX_ARGS) {
+ quote = strchr (line, '"');
+ next = strchr (line, ' ');
+
+ while (next != NULL && quote != NULL && quote < next) {
+ /* we found a left quote before the next blank
+ * now we have to find the matching right quote
+ */
+ next = strchr (quote + 1, '"');
+ if (next != NULL) {
+ quote = strchr (next + 1, '"');
+ next = strchr (next + 1, ' ');
+ }
+ }
+
+ if (next == NULL) {
+ next = line + strlen (line);
+ }
+
+ linux_argv[linux_argc] = argp;
+ memcpy (argp, line, next - line);
+ argp[next - line] = 0;
+
+ argp += next - line + 1;
+ linux_argc++;
+
+ if (*next)
+ next++;
+
+ line = next;
+ }
+
+ linux_env = (char **) (((ulong) argp + 15) & ~15);
+ linux_env[0] = 0;
+ linux_env_p = (char *) (linux_env + LINUX_MAX_ENVS);
+ linux_env_idx = 0;
+}
+
+static void linux_env_set (char *env_name, char *env_val)
+{
+ if (linux_env_idx < LINUX_MAX_ENVS - 1) {
+ linux_env[linux_env_idx] = linux_env_p;
+
+ strcpy (linux_env_p, env_name);
+ linux_env_p += strlen (env_name);
+
+ strcpy (linux_env_p, "=");
+ linux_env_p += 1;
+
+ strcpy (linux_env_p, env_val);
+ linux_env_p += strlen (env_val);
+
+ linux_env_p++;
+ linux_env[++linux_env_idx] = 0;
+ }
+}
diff --git a/lib_m68k/time.c b/lib_m68k/time.c
new file mode 100644
index 000000000..5fc275121
--- /dev/null
+++ b/lib_m68k/time.c
@@ -0,0 +1,87 @@
+/*
+ * (C) Copyright 2000-2003
+ * 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 <common.h>
+
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * This function is intended for SHORT delays only.
+ * It will overflow at around 10 seconds @ 400MHz,
+ * or 20 seconds @ 200MHz.
+ */
+unsigned long usec2ticks(unsigned long usec)
+{
+ ulong ticks;
+
+ if (usec < 1000) {
+ ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000;
+ } else {
+ ticks = ((usec / 10) * (get_tbclk() / 100000));
+ }
+
+ return (ticks);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * We implement the delay by converting the delay (the number of
+ * microseconds to wait) into a number of time base ticks; then we
+ * watch the time base until it has incremented by that amount.
+ */
+void udelay(unsigned long usec)
+{
+ ulong ticks = usec2ticks (usec);
+
+ wait_ticks (ticks);
+}
+
+/* ------------------------------------------------------------------------- */
+
+unsigned long ticks2usec(unsigned long ticks)
+{
+ ulong tbclk = get_tbclk();
+
+ /* usec = ticks * 1000000 / tbclk
+ * Multiplication would overflow at ~4.2e3 ticks,
+ * so we break it up into
+ * usec = ( ( ticks * 1000) / tbclk ) * 1000;
+ */
+ ticks *= 1000L;
+ ticks /= tbclk;
+ ticks *= 1000L;
+
+ return ((ulong)ticks);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int init_timebase (void)
+{
+ /* FIXME!! */
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
diff --git a/m68k_config.mk b/m68k_config.mk
new file mode 100644
index 000000000..12bd27cb7
--- /dev/null
+++ b/m68k_config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2000-2002
+# 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
+#
+
+PLATFORM_CPPFLAGS += -DCONFIG_M68K -D__M68K__
+PLATFORM_LDFLAGS += -n