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-rw-r--r--nand_spl/board/amcc/canyonlands/Makefile105
-rw-r--r--nand_spl/board/amcc/canyonlands/config.mk49
-rw-r--r--nand_spl/board/amcc/canyonlands/ddr2_fixed.c96
-rw-r--r--nand_spl/board/amcc/canyonlands/u-boot.lds65
4 files changed, 315 insertions, 0 deletions
diff --git a/nand_spl/board/amcc/canyonlands/Makefile b/nand_spl/board/amcc/canyonlands/Makefile
new file mode 100644
index 0000000..1ec1112
--- /dev/null
+++ b/nand_spl/board/amcc/canyonlands/Makefile
@@ -0,0 +1,105 @@
+#
+# (C) Copyright 2008
+# Stefan Roese, DENX Software Engineering, sr@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
+include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
+AFLAGS += -DCONFIG_NAND_SPL
+CFLAGS += -DCONFIG_NAND_SPL
+
+SOBJS := start.o
+SOBJS += init.o resetvec.o
+SOBJS += resetvec.o
+COBJS := ddr2_fixed.o
+COBJS += nand_boot.o
+COBJS += nand_ecc.o
+COBJS += ndfc.o
+
+SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+__OBJS := $(SOBJS) $(COBJS)
+LNDIR := $(OBJTREE)/nand_spl/board/$(BOARDDIR)
+
+nandobj := $(OBJTREE)/nand_spl/
+
+ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
+
+all: $(obj).depend $(ALL)
+
+$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
+
+$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
+$(nandobj)u-boot-spl: $(OBJS)
+ cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+ -Map $(nandobj)u-boot-spl.map \
+ -o $(nandobj)u-boot-spl
+
+# create symbolic links for common files
+
+# from cpu directory
+$(obj)ndfc.c:
+ @rm -f $(obj)ndfc.c
+ ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c
+
+$(obj)resetvec.S:
+ @rm -f $(obj)resetvec.S
+ ln -s $(SRCTREE)/cpu/ppc4xx/resetvec.S $(obj)resetvec.S
+
+$(obj)start.S:
+ @rm -f $(obj)start.S
+ ln -s $(SRCTREE)/cpu/ppc4xx/start.S $(obj)start.S
+
+# from board directory
+$(obj)init.S:
+ @rm -f $(obj)init.S
+ ln -s $(SRCTREE)/board/amcc/canyonlands/init.S $(obj)init.S
+
+# from nand_spl directory
+$(obj)nand_boot.c:
+ @rm -f $(obj)nand_boot.c
+ ln -s $(SRCTREE)/nand_spl/nand_boot.c $(obj)nand_boot.c
+
+# from drivers/mtd/nand directory
+$(obj)nand_ecc.c:
+ @rm -f $(obj)nand_ecc.c
+ ln -s $(SRCTREE)/drivers/mtd/nand/nand_ecc.c $(obj)nand_ecc.c
+
+#########################################################################
+
+$(obj)%.o: $(obj)%.S
+ $(CC) $(AFLAGS) -c -o $@ $<
+
+$(obj)%.o: $(obj)%.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/nand_spl/board/amcc/canyonlands/config.mk b/nand_spl/board/amcc/canyonlands/config.mk
new file mode 100644
index 0000000..6dad876
--- /dev/null
+++ b/nand_spl/board/amcc/canyonlands/config.mk
@@ -0,0 +1,49 @@
+#
+# (C) Copyright 2008
+# Stefan Roese, DENX Software Engineering, sr@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+#
+# AMCC 460EX Reference Platform (Canyonlands) board
+#
+
+#
+# TEXT_BASE for SPL:
+#
+# On 460EX platforms the SPL is located at 0xfffff000...0xffffffff,
+# in the last 4kBytes of memory space in cache.
+# We will copy this SPL into internal SRAM in start.S. So we set
+# TEXT_BASE to starting address in internal SRAM here.
+#
+TEXT_BASE = 0xE3003000
+
+# PAD_TO used to generate a 16kByte binary needed for the combined image
+# -> PAD_TO = TEXT_BASE + 0x4000
+PAD_TO = 0xE3007000
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000
+endif
diff --git a/nand_spl/board/amcc/canyonlands/ddr2_fixed.c b/nand_spl/board/amcc/canyonlands/ddr2_fixed.c
new file mode 100644
index 0000000..48708a8
--- /dev/null
+++ b/nand_spl/board/amcc/canyonlands/ddr2_fixed.c
@@ -0,0 +1,96 @@
+/*
+ * (C) Copyright 2008
+ * Stefan Roese, DENX Software Engineering, sr@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 <ppc4xx.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+
+static void wait_init_complete(void)
+{
+ u32 val;
+
+ do {
+ mfsdram(SDRAM_MCSTAT, val);
+ } while (!(val & 0x80000000));
+}
+
+long int initdram(int board_type)
+{
+ /*
+ * Reset the DDR-SDRAM controller.
+ */
+ mtsdr(SDR0_SRST, (0x80000000 >> 10));
+ mtsdr(SDR0_SRST, 0x00000000);
+
+ /*
+ * These values are cloned from a running NOR booting
+ * Canyonlands with SPD-DDR2 detection and calibration
+ * enabled. This will only work for the same memory
+ * configuration as used here:
+ *
+ * Crucial CT3264AC53E.4FD - 256MB SO-DIMM
+ *
+ */
+ mtsdram(SDRAM_MCOPT2, 0x00000000);
+ mtsdram(SDRAM_MCOPT1, 0x05122000);
+ mtsdram(SDRAM_MODT0, 0x01000000);
+ mtsdram(SDRAM_CODT, 0x00800021);
+ mtsdram(SDRAM_WRDTR, 0x82000823);
+ mtsdram(SDRAM_CLKTR, 0x40000000);
+ mtsdram(SDRAM_MB0CF, 0x00000201);
+ mtsdram(SDRAM_RTR, 0x06180000);
+ mtsdram(SDRAM_SDTR1, 0x80201000);
+ mtsdram(SDRAM_SDTR2, 0x42103243);
+ mtsdram(SDRAM_SDTR3, 0x0A0D0D16);
+ mtsdram(SDRAM_MMODE, 0x00000632);
+ mtsdram(SDRAM_MEMODE, 0x00000040);
+ mtsdram(SDRAM_INITPLR0, 0xB5380000);
+ mtsdram(SDRAM_INITPLR1, 0x82100400);
+ mtsdram(SDRAM_INITPLR2, 0x80820000);
+ mtsdram(SDRAM_INITPLR3, 0x80830000);
+ mtsdram(SDRAM_INITPLR4, 0x80810040);
+ mtsdram(SDRAM_INITPLR5, 0x80800532);
+ mtsdram(SDRAM_INITPLR6, 0x82100400);
+ mtsdram(SDRAM_INITPLR7, 0x8A080000);
+ mtsdram(SDRAM_INITPLR8, 0x8A080000);
+ mtsdram(SDRAM_INITPLR9, 0x8A080000);
+ mtsdram(SDRAM_INITPLR10, 0x8A080000);
+ mtsdram(SDRAM_INITPLR11, 0x80000432);
+ mtsdram(SDRAM_INITPLR12, 0x808103C0);
+ mtsdram(SDRAM_INITPLR13, 0x80810040);
+ mtsdram(SDRAM_INITPLR14, 0x00000000);
+ mtsdram(SDRAM_INITPLR15, 0x00000000);
+
+ mtsdram(SDRAM_MCOPT2, 0x28000000);
+
+ wait_init_complete();
+
+ mtdcr(SDRAM_R0BAS, 0x0000F800); /* MQ0_B0BAS */
+
+ mtsdram(SDRAM_RDCC, 0x40000000);
+ mtsdram(SDRAM_RQDC, 0x80000038);
+ mtsdram(SDRAM_RFDC, 0x00000257);
+
+ return CFG_MBYTES_SDRAM << 20;
+}
diff --git a/nand_spl/board/amcc/canyonlands/u-boot.lds b/nand_spl/board/amcc/canyonlands/u-boot.lds
new file mode 100644
index 0000000..5bffb5b
--- /dev/null
+++ b/nand_spl/board/amcc/canyonlands/u-boot.lds
@@ -0,0 +1,65 @@
+/*
+ * (C) Copyright 2008
+ * Stefan Roese, DENX Software Engineering, sr@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:common)
+SECTIONS
+{
+ .resetvec 0xE3003FFC :
+ {
+ *(.resetvec)
+ } = 0xffff
+
+ .text :
+ {
+ start.o (.text)
+ init.o (.text)
+ nand_boot.o (.text)
+ ddr2_fixed.o (.text)
+ ndfc.o (.text)
+
+ *(.text)
+ *(.fixup)
+ }
+ _etext = .;
+
+ .data :
+ {
+ *(.rodata*)
+ *(.data*)
+ *(.sdata*)
+ __got2_start = .;
+ *(.got2)
+ __got2_end = .;
+ }
+
+ _edata = .;
+
+ __bss_start = .;
+ .bss (NOLOAD) :
+ {
+ *(.sbss)
+ *(.bss)
+ }
+
+ _end = . ;
+}