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-rw-r--r--board/r5200/Makefile40
-rw-r--r--board/r5200/config.mk25
-rw-r--r--board/r5200/r5200.c125
-rw-r--r--board/r5200/u-boot.lds144
4 files changed, 334 insertions, 0 deletions
diff --git a/board/r5200/Makefile b/board/r5200/Makefile
new file mode 100644
index 0000000..d0364ed
--- /dev/null
+++ b/board/r5200/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 = $(BOARD).o
+
+$(LIB): .depend $(OBJS)
+ $(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/r5200/config.mk b/board/r5200/config.mk
new file mode 100644
index 0000000..8fc5319
--- /dev/null
+++ b/board/r5200/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 = 0x10000000
diff --git a/board/r5200/r5200.c b/board/r5200/r5200.c
new file mode 100644
index 0000000..e51ad25
--- /dev/null
+++ b/board/r5200/r5200.c
@@ -0,0 +1,125 @@
+/*
+ * (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/m5271.h>
+#include <asm/immap_5271.h>
+
+
+int checkboard (void) {
+ puts ("Board: R5200 Ethernet Module\n");
+ return 0;
+};
+
+long int initdram (int board_type) {
+ int i;
+
+ /*
+ * Set CS2 pin to be SD_CS0
+ */
+ mbar_writeByte(MCF_GPIO_PAR_CS, mbar_readByte(MCF_GPIO_PAR_CS)
+ | MCF_GPIO_PAR_CS_PAR_CS2);
+
+ mbar_writeByte(MCF_GPIO_PAR_SDRAM, mbar_readByte(MCF_GPIO_PAR_SDRAM)
+ | MCF_GPIO_PAR_SDRAM_PAR_CSSDCS(0x01));
+
+ /*
+ * Check to see if the SDRAM has already been initialized
+ * by a run control tool
+ */
+ if (!(mbar_readLong(MCF_SDRAMC_DACR0) & MCF_SDRAMC_DACRn_RE))
+ {
+ /*
+ * Initialize DRAM Control Register: DCR
+ */
+ mbar_writeShort(MCF_SDRAMC_DCR, MCF_SDRAMC_DCR_RTIM(0x01)
+ | MCF_SDRAMC_DCR_RC(0x30));
+
+ /*
+ * Initialize DACR0
+ */
+ mbar_writeLong(MCF_SDRAMC_DACR0,
+ MCF_SDRAMC_DACRn_BA(CFG_SDRAM_BASE>>18)
+ | MCF_SDRAMC_DACRn_CASL(0)
+ | MCF_SDRAMC_DACRn_CBM(3)
+ | MCF_SDRAMC_DACRn_PS(2));
+
+ /*
+ * Initialize DMR0
+ */
+ mbar_writeLong(MCF_SDRAMC_DMR0,
+ MCF_SDRAMC_DMRn_BAM_8M
+ | MCF_SDRAMC_DMRn_V);
+
+ /*
+ * Set IP bit in DACR
+ */
+ mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
+ | MCF_SDRAMC_DACRn_IP);
+
+ /*
+ * Wait at least 20ns to allow banks to precharge
+ */
+ for (i = 0; i < 5; i++)
+ asm(" nop");
+
+ /*
+ * Write to this block to initiate precharge
+ */
+ *(u16 *)(CFG_SDRAM_BASE) = 0x9696;
+
+ /*
+ * Set RE bit in DACR
+ */
+ mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
+ | MCF_SDRAMC_DACRn_RE);
+
+
+ /*
+ * Wait for at least 8 auto refresh cycles to occur
+ */
+ for (i = 0; i < 2000; i++)
+ asm(" nop");
+
+ /*
+ * Finish the configuration by issuing the MRS.
+ */
+ mbar_writeLong(MCF_SDRAMC_DACR0, mbar_readLong(MCF_SDRAMC_DACR0)
+ | MCF_SDRAMC_DACRn_MRS);
+
+
+ /*
+ * Write to the SDRAM Mode Register
+ */
+ *(u16 *)(CFG_SDRAM_BASE + 0x1000) = 0x9696;
+ }
+
+ return CFG_SDRAM_SIZE * 1024 * 1024;
+};
+
+int testdram (void) {
+ /* TODO: XXX XXX XXX */
+ printf ("DRAM test not implemented!\n");
+
+ return (0);
+}
diff --git a/board/r5200/u-boot.lds b/board/r5200/u-boot.lds
new file mode 100644
index 0000000..f7dc070
--- /dev/null
+++ b/board/r5200/u-boot.lds
@@ -0,0 +1,144 @@
+/*
+ * (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
+ */
+
+OUTPUT_ARCH(m68k)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/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/mcf52x2/start.o (.text)
+ lib_m68k/traps.o (.text)
+ cpu/mcf52x2/interrupts.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/zlib.o (.text)
+
+ . = DEFINED(env_offset) ? 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_start = .;
+ *(.got)
+ __got_end = .;
+ _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 = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __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 = .);
+}
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