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-rw-r--r--board/adder/Makefile46
-rw-r--r--board/adder/adder.c107
-rw-r--r--board/adder/config.mk27
-rw-r--r--board/adder/u-boot.lds122
4 files changed, 302 insertions, 0 deletions
diff --git a/board/adder/Makefile b/board/adder/Makefile
new file mode 100644
index 0000000..9123a80
--- /dev/null
+++ b/board/adder/Makefile
@@ -0,0 +1,46 @@
+#
+# Copyright (C) 2004 Arabella Software Ltd.
+# Yuli Barcohen <yuli@arabellasw.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 $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS := $(BOARD).o
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $(OBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/adder/adder.c b/board/adder/adder.c
new file mode 100644
index 0000000..cab6e2f
--- /dev/null
+++ b/board/adder/adder.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2004 Arabella Software Ltd.
+ * Yuli Barcohen <yuli@arabellasw.com>
+ *
+ * Support for Analogue&Micro Adder boards family.
+ * Tested on AdderII and Adder87x.
+ *
+ * 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 <mpc8xx.h>
+
+/*
+ * SDRAM is single Samsung K4S643232F-T70 chip.
+ * Minimal CPU frequency is 40MHz.
+ */
+static uint sdram_table[] = {
+ /* Single read (offset 0x00 in UPM RAM) */
+ 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xe0bbbc00,
+ 0x10f77c44, 0xf3fffc07, 0xfffffc04, 0xfffffc04,
+
+ /* Burst read (offset 0x08 in UPM RAM) */
+ 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xf0affc00,
+ 0xf0affc00, 0xf0affc00, 0xf0affc00, 0x10a77c44,
+ 0xf7bffc47, 0xfffffc35, 0xfffffc34, 0xfffffc35,
+ 0xfffffc35, 0x1ff77c35, 0xfffffc34, 0x1fb57c35,
+
+ /* Single write (offset 0x18 in UPM RAM) */
+ 0x1f27fc24, 0xe0aebc04, 0x00b93c00, 0x13f77c47,
+ 0xfffdfc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* Burst write (offset 0x20 in UPM RAM) */
+ 0x1f07fc24, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
+ 0xf0affc00, 0xe0abbc00, 0x1fb77c47, 0xfffffc04,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* Refresh (offset 0x30 in UPM RAM) */
+ 0x1ff5fca4, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+ 0xfffffc84, 0xfffffc07, 0xfffffc04, 0xfffffc04,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* Exception (offset 0x3C in UPM RAM) */
+ 0xfffffc27, 0xfffffc04, 0xfffffc04, 0xfffffc04
+};
+
+long int initdram (int board_type)
+{
+ long int msize = CFG_SDRAM_SIZE;
+ volatile immap_t *immap = (volatile immap_t *)CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+ upmconfig(UPMA, sdram_table, sizeof(sdram_table) / sizeof(uint));
+
+ /* Configure SDRAM refresh */
+ memctl->memc_mptpr = MPTPR_PTP_DIV32; /* BRGCLK/32 */
+
+ memctl->memc_mamr = (94 << 24) | CFG_MAMR;
+ memctl->memc_mar = 0x0;
+ udelay(200);
+
+ /* Run precharge from location 0x15 */
+ memctl->memc_mcr = 0x80002115;
+ udelay(200);
+
+ /* Run 8 refresh cycles */
+ memctl->memc_mcr = 0x80002830;
+ udelay(200);
+
+ memctl->memc_mar = 0x88;
+ udelay(200);
+
+ /* Run MRS pattern from location 0x16 */
+ memctl->memc_mcr = 0x80002116;
+ udelay(200);
+
+ return msize;
+}
+
+int checkboard( void )
+{
+ puts("Board: Adder");
+#if defined(CONFIG_MPC885_FAMILY)
+ puts("87x\n");
+#elif defined(CONFIG_MPC866_FAMILY)
+ puts("II\n");
+#endif
+
+ return 0;
+}
diff --git a/board/adder/config.mk b/board/adder/config.mk
new file mode 100644
index 0000000..4691a69
--- /dev/null
+++ b/board/adder/config.mk
@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2004 Arabella Software Ltd.
+# Yuli Barcohen <yuli@arabellasw.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
+#
+
+#
+# Analogue&Micro Adder boards family
+#
+TEXT_BASE = 0xFE000000
diff --git a/board/adder/u-boot.lds b/board/adder/u-boot.lds
new file mode 100644
index 0000000..1d2a7d7
--- /dev/null
+++ b/board/adder/u-boot.lds
@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 2001-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Modified by Yuli Barcohen <yuli@arabellasw.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(powerpc)
+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 :
+ {
+ cpu/mpc8xx/start.o (.text)
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ . = ALIGN(16);
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ }
+ .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 = .);
+
+ __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(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 = .);
+}
+ENTRY(_start)
generated by cgit v1.1 at 2024-11-16 00:23:00 +0000