ppc4xx: Add GDsys PowerPC 440 ETX board support.

Board support for the Guntermann & Drunck PowerPC 440 ETX module.
Based on the AMCC Yosemite board support by Stefan Roese.

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Stefan Roese <sr@denx.de>

9 files changed, 838 insertions, 0 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index fcc2043..35388df 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -132,6 +132,7 @@ Jon Diekema <jon.diekema@smiths-aerospace.com>
 
 Dirk Eibach <eibach@gdsys.de>
 
+	gdppc440etx	PPC440EP/GR
 	neo		PPC405EP
 
 Dave Ellis <DGE@sixnetio.com>
diff --git a/MAKEALL b/MAKEALL
index 530fe82..fd8dffd 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -197,6 +197,7 @@ LIST_4xx="		\
 	EXBITGEN	\
 	fx12mm		\
 	G2000		\
+	gdppc440etx	\
 	glacier		\
 	haleakala	\
 	haleakala_nand	\
diff --git a/Makefile b/Makefile
index 8c73586..f9c7c14 100644
--- a/Makefile
+++ b/Makefile
@@ -1325,6 +1325,9 @@ fx12mm_config: unconfig
 G2000_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc ppc4xx g2000
 
+gdppc440etx_config:	unconfig
+	@$(MKCONFIG) $(@:_config=) ppc ppc4xx gdppc440etx gdsys
+
 hcu4_config:	unconfig
 	@mkdir -p $(obj)board/netstal/common
 	@$(MKCONFIG) $(@:_config=) ppc ppc4xx hcu4 netstal
diff --git a/board/gdsys/gdppc440etx/Makefile b/board/gdsys/gdppc440etx/Makefile
new file mode 100644
index 0000000..b93f2c3
--- /dev/null
+++ b/board/gdsys/gdppc440etx/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2002-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	= $(BOARD).o
+SOBJS	= init.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/gdsys/gdppc440etx/config.mk b/board/gdsys/gdppc440etx/config.mk
new file mode 100644
index 0000000..045f3e9
--- /dev/null
+++ b/board/gdsys/gdppc440etx/config.mk
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# G&D 440EP/GR ETX-Module
+#
+
+#TEXT_BASE = 0x00001000
+
+ifeq ($(ramsym),1)
+TEXT_BASE = 0xFBD00000
+else
+TEXT_BASE = 0xFFF80000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000
+endif
diff --git a/board/gdsys/gdppc440etx/gdppc440etx.c b/board/gdsys/gdppc440etx/gdppc440etx.c
new file mode 100644
index 0000000..e1890ff
--- /dev/null
+++ b/board/gdsys/gdppc440etx/gdppc440etx.c
@@ -0,0 +1,325 @@
+/*
+ * (C) Copyright 2008
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * Based on board/amcc/yosemite/yosemite.c
+ * (C) Copyright 2006-2007
+ * 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/processor.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* info for FLASH chips */
+extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
+
+int board_early_init_f(void)
+{
+	register uint reg;
+
+	/*
+	 * Setup the external bus controller/chip selects
+	 */
+	mfebc(xbcfg, reg);
+	mtebc(xbcfg, reg | 0x04000000);		/* Set ATC */
+
+	/*
+	 * Setup the GPIO pins
+	 */
+
+	/* setup Address lines for flash size 64Meg. */
+	out32(GPIO0_OSRL, in32(GPIO0_OSRL) | 0x54000000);
+	out32(GPIO0_TSRL, in32(GPIO0_TSRL) | 0x54000000);
+	out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) | 0x54000000);
+
+	/* setup emac */
+	out32(GPIO0_TCR, in32(GPIO0_TCR) | 0xC080);
+	out32(GPIO0_TSRL, in32(GPIO0_TSRL) | 0x40);
+	out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) | 0x55);
+	out32(GPIO0_OSRH, in32(GPIO0_OSRH) | 0x50004000);
+	out32(GPIO0_ISR1H, in32(GPIO0_ISR1H) | 0x00440000);
+
+	/* UART0 and UART1*/
+	out32(GPIO1_TCR, in32(GPIO1_TCR)     | 0x16000000);
+	out32(GPIO1_OSRL, in32(GPIO1_OSRL)   | 0x02180000);
+	out32(GPIO1_ISR1L, in32(GPIO1_ISR1L) | 0x00400000);
+	out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x04010000);
+
+	/* disable boot-eeprom WP */
+	out32(GPIO0_OSRL, in32(GPIO0_OSRL) & ~0x00C00000);
+	out32(GPIO0_TSRL, in32(GPIO0_TSRL) & ~0x00C00000);
+	out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) & ~0x00C00000);
+	out32(GPIO0_TCR, in32(GPIO0_TCR) | 0x08000000);
+	out32(GPIO0_OR, in32(GPIO0_OR) & ~0x08000000);
+
+	/* external interrupts IRQ0...3 */
+	out32(GPIO1_TCR, in32(GPIO1_TCR) & ~0x00f00000);
+	out32(GPIO1_TSRL, in32(GPIO1_TSRL) & ~0x00005500);
+	out32(GPIO1_ISR1L, in32(GPIO1_ISR1L) | 0x00005500);
+
+
+	/*
+	 * Setup the interrupt controller polarities, triggers, etc.
+	 */
+	mtdcr(uic0sr, 0xffffffff);	/* clear all */
+	mtdcr(uic0er, 0x00000000);	/* disable all */
+	mtdcr(uic0cr, 0x00000009);	/* ATI & UIC1 crit are critical */
+	mtdcr(uic0pr, 0xfffffe13);	/* per ref-board manual */
+	mtdcr(uic0tr, 0x01c00008);	/* per ref-board manual */
+	mtdcr(uic0vr, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr(uic0sr, 0xffffffff);	/* clear all */
+
+	mtdcr(uic1sr, 0xffffffff);	/* clear all */
+	mtdcr(uic1er, 0x00000000);	/* disable all */
+	mtdcr(uic1cr, 0x00000000);	/* all non-critical */
+	mtdcr(uic1pr, 0xffffe0ff);	/* per ref-board manual */
+	mtdcr(uic1tr, 0x00ffc000);	/* per ref-board manual */
+	mtdcr(uic1vr, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr(uic1sr, 0xffffffff);	/* clear all */
+
+	/*
+	 * Setup other serial configuration
+	 */
+	mfsdr(sdr_pci0, reg);
+	mtsdr(sdr_pci0, 0x80000000 | reg);	/* PCI arbiter enabled */
+	mtsdr(sdr_pfc0, 0x00003e00);	/* Pin function */
+	mtsdr(sdr_pfc1, 0x00048000);	/* Pin function: UART0 has 4 pins */
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	uint pbcr;
+	int size_val;
+	uint sz;
+
+	/* Re-do sizing to get full correct info */
+	mfebc(pb0cr, pbcr);
+
+	if (gd->bd->bi_flashsize > 0x08000000)
+		panic("Max. flash banksize is 128 MB!\n");
+
+	for (sz = gd->bd->bi_flashsize, size_val = 7;
+	    ((sz & 0x08000000) == 0) && (size_val > 0); --size_val)
+		sz <<= 1;
+
+	pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
+	mtebc(pb0cr, pbcr);
+
+	/* adjust flash start and offset */
+	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+	gd->bd->bi_flashoffset = 0;
+
+	/* Monitor protection ON by default */
+	(void)flash_protect(FLAG_PROTECT_SET,
+			    -CONFIG_SYS_MONITOR_LEN,
+			    0xffffffff,
+			    &flash_info[0]);
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	char *s = getenv("serial#");
+	u8 rev;
+	u8 val;
+
+	printf("Board: GDPPC440ETX - G&D PPC440EP/GR ETX-module");
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return 0;
+}
+
+/*
+ * pci_pre_init
+ *
+ * This routine is called just prior to registering the hose and gives
+ * the board the opportunity to check things. Returning a value of zero
+ * indicates that things are bad & PCI initialization should be aborted.
+ *
+ *	Different boards may wish to customize the pci controller structure
+ *	(add regions, override default access routines, etc) or perform
+ *	certain pre-initialization actions.
+ *
+ */
+#if defined(CONFIG_PCI)
+int pci_pre_init(struct pci_controller *hose)
+{
+	unsigned long addr;
+
+	/*
+	 * Set priority for all PLB3 devices to 0.
+	 * Set PLB3 arbiter to fair mode.
+	 */
+	mfsdr(sdr_amp1, addr);
+	mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
+	addr = mfdcr(plb3_acr);
+	mtdcr(plb3_acr, addr | 0x80000000);
+
+	/*
+	 * Set priority for all PLB4 devices to 0.
+	 */
+	mfsdr(sdr_amp0, addr);
+	mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
+	addr = mfdcr(plb4_acr) | 0xa0000000;	/* Was 0x8---- */
+	mtdcr(plb4_acr, addr);
+
+	/*
+	 * Set Nebula PLB4 arbiter to fair mode.
+	 */
+	/* Segment0 */
+	addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
+	addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
+	addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
+	addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
+	mtdcr(plb0_acr, addr);
+
+	/* Segment1 */
+	addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
+	addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
+	addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
+	addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
+	mtdcr(plb1_acr, addr);
+
+	/* enable 66 MHz ext. Clock */
+	out32(GPIO1_TCR, in32(GPIO1_TCR) | 0x00008000);
+	out32(GPIO1_OR, in32(GPIO1_OR) | 0x00008000);
+
+	return 1;
+}
+#endif	/* defined(CONFIG_PCI) */
+
+/*
+ * pci_target_init
+ *
+ * The bootstrap configuration provides default settings for the pci
+ * inbound map (PIM). But the bootstrap config choices are limited and
+ * may not be sufficient for a given board.
+ *
+ */
+#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
+void pci_target_init(struct pci_controller *hose)
+{
+	/*
+	 * Set up Direct MMIO registers
+	 */
+
+	/*
+	 * PowerPC440 EP PCI Master configuration.
+	 * Map one 1Gig range of PLB/processor addresses to PCI memory space.
+	 *       PLB address 0xA0000000-0xDFFFFFFF
+	 *   ==> PCI address 0xA0000000-0xDFFFFFFF
+	 *   Use byte reversed out routines to handle endianess.
+	 * Make this region non-prefetchable.
+	 */
+	out32r(PCIX0_PMM0MA, 0x00000000); 	/* disabled b4 setting */
+	out32r(PCIX0_PMM0LA, CONFIG_SYS_PCI_MEMBASE);
+	out32r(PCIX0_PMM0PCILA, CONFIG_SYS_PCI_MEMBASE);
+	out32r(PCIX0_PMM0PCIHA, 0x00000000);
+	out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M, no prefetch, enable region */
+
+	out32r(PCIX0_PMM1MA, 0x00000000);	/* disabled b4 setting */
+	out32r(PCIX0_PMM1LA, CONFIG_SYS_PCI_MEMBASE2);
+	out32r(PCIX0_PMM1PCILA, CONFIG_SYS_PCI_MEMBASE2);
+	out32r(PCIX0_PMM1PCIHA, 0x00000000);
+	out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M, no prefetch, enable region */
+
+	out32r(PCIX0_PTM1MS, 0x00000001);
+	out32r(PCIX0_PTM1LA, 0);
+	out32r(PCIX0_PTM2MS, 0);
+	out32r(PCIX0_PTM2LA, 0);
+
+	/*
+	 * Set up Configuration registers
+	 */
+
+	/* Program the board's subsystem id/vendor id */
+	pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
+			      CONFIG_SYS_PCI_SUBSYS_VENDORID);
+	pci_write_config_word(0, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_ID);
+
+	/* Configure command register as bus master */
+	pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
+
+	/* 240nS PCI clock */
+	pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
+
+	/* No error reporting */
+	pci_write_config_word(0, PCI_ERREN, 0);
+
+	pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
+
+}
+#endif	/* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
+
+/*
+ *  pci_master_init
+ *
+ */
+#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT)
+void pci_master_init(struct pci_controller *hose)
+{
+	unsigned short temp_short;
+
+	/*
+	 * Write the PowerPC440 EP PCI Configuration regs.
+	 *   Enable PowerPC440 EP to be a master on the PCI bus (PMM).
+	 *   Enable PowerPC440 EP to act as a PCI memory target (PTM).
+	 */
+	pci_read_config_word(0, PCI_COMMAND, &temp_short);
+	pci_write_config_word(0, PCI_COMMAND,
+			      temp_short | PCI_COMMAND_MASTER |
+			      PCI_COMMAND_MEMORY);
+}
+#endif	/* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT) */
+
+/*
+ *  is_pci_host
+ *
+ *	This routine is called to determine if a pci scan should be
+ *	performed. With various hardware environments (especially cPCI and
+ *	PPMC) it's insufficient to depend on the state of the arbiter enable
+ *	bit in the strap register, or generic host/adapter assumptions.
+ *
+ *	Rather than hard-code a bad assumption in the general 440 code, the
+ *	440 pci code requires the board to decide at runtime.
+ *
+ *	Return 0 for adapter mode, non-zero for host (monarch) mode.
+ *
+ *
+ */
+#if defined(CONFIG_PCI)
+int is_pci_host(struct pci_controller *hose)
+{
+	return 1;
+}
+#endif	/* defined(CONFIG_PCI) */
diff --git a/board/gdsys/gdppc440etx/init.S b/board/gdsys/gdppc440etx/init.S
new file mode 100644
index 0000000..0bbd45a
--- /dev/null
+++ b/board/gdsys/gdppc440etx/init.S
@@ -0,0 +1,75 @@
+/*
+* (C) Copyright 2008
+* Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+*
+* based on board/amcc/yosemite/init.S
+* original Copyright not specified there
+*
+* 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 <ppc_asm.tmpl>
+#include <config.h>
+
+#include <asm/mmu.h>
+
+/**************************************************************************
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ *  Pointer to the table is returned in r1
+ *
+ *************************************************************************/
+
+    .section .bootpg,"ax"
+    .globl tlbtab
+
+tlbtab:
+    tlbtab_start
+
+    /*
+     * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use
+     * the speed up boot process. It is patched after relocation to enable SA_I
+     */
+    tlbentry( CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M, CONFIG_SYS_BOOT_BASE_ADDR,
+	0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
+
+    /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+    tlbentry( CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR,
+	0, AC_R|AC_W|AC_X|SA_G )
+
+    tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE,
+	0, AC_R|AC_W|AC_X|SA_G|SA_I )
+    tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, CONFIG_SYS_PCI_BASE,
+	0, AC_R|AC_W|SA_G|SA_I )
+
+    /* PCI */
+    tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE,
+	0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1,
+	0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2,
+	0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3,
+	0, AC_R|AC_W|SA_G|SA_I )
+
+    tlbtab_end
diff --git a/board/gdsys/gdppc440etx/u-boot.lds b/board/gdsys/gdppc440etx/u-boot.lds
new file mode 100644
index 0000000..1df817b
--- /dev/null
+++ b/board/gdsys/gdppc440etx/u-boot.lds
@@ -0,0 +1,144 @@
+/*
+ * (C) Copyright 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
+ */
+
+OUTPUT_ARCH(powerpc)
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  .resetvec 0xFFFFFFFC :
+  {
+    *(.resetvec)
+  } = 0xffff
+
+  .bootpg 0xFFFFF000 :
+  {
+    cpu/ppc4xx/start.o	(.bootpg)
+  } = 0xffff
+
+  /* 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/ppc4xx/start.o	(.text)
+    board/gdsys/gdppc440etx/init.o	(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+    *(.eh_frame)
+  }
+  .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 = .);
+
+  . = .;
+  __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 (NOLOAD)       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+   . = ALIGN(4);
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/include/configs/gdppc440etx.h b/include/configs/gdppc440etx.h
new file mode 100644
index 0000000..d193919
--- /dev/null
+++ b/include/configs/gdppc440etx.h
@@ -0,0 +1,194 @@
+/*
+ * (C) Copyright 2008
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * Based on include/configs/yosemite.h
+ * (C) Copyright 2005-2007
+ * 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
+ */
+
+/*
+ * gdppc440etx.h - configuration for G&D 440EP/GR ETX-Module
+ */
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ */
+#define CONFIG_440GR		1		/* Specific PPC440GR support */
+#define CONFIG_HOSTNAME		gdppc440etx
+#define CONFIG_440		1		/* ... PPC440 family         */
+#define CONFIG_4xx		1		/* ... PPC4xx family         */
+#define CONFIG_SYS_CLK_FREQ	66666666	/* external freq to pll      */
+
+/*
+ * Include common defines/options for all AMCC eval boards
+ */
+#include "amcc-common.h"
+
+#define CONFIG_BOARD_EARLY_INIT_F	1	/* call board_early_init_f*/
+#define CONFIG_MISC_INIT_R		1	/* call misc_init_r()     */
+
+/*
+ * Base addresses -- Note these are effective addresses where the
+ * actual resources get mapped (not physical addresses)
+ */
+#define CONFIG_SYS_FLASH_BASE		0xfc000000	/* start of FLASH    */
+#define CONFIG_SYS_PCI_MEMBASE		0xa0000000	/* mapped pci memory */
+#define CONFIG_SYS_PCI_MEMBASE1		CONFIG_SYS_PCI_MEMBASE  + 0x10000000
+#define CONFIG_SYS_PCI_MEMBASE2		CONFIG_SYS_PCI_MEMBASE1 + 0x10000000
+#define CONFIG_SYS_PCI_MEMBASE3		CONFIG_SYS_PCI_MEMBASE2 + 0x10000000
+
+/*Don't change either of these*/
+#define CONFIG_SYS_PERIPHERAL_BASE	0xef600000	/* internal peripheral*/
+#define CONFIG_SYS_PCI_BASE		0xe0000000	/* internal PCI regs */
+/*Don't change either of these*/
+
+#define CONFIG_SYS_USB_DEVICE		0x50000000
+#define CONFIG_SYS_BOOT_BASE_ADDR	0xf0000000
+
+/*
+ * Initial RAM & stack pointer (placed in SDRAM)
+ */
+#define CONFIG_SYS_INIT_RAM_DCACHE	1		/* d-cache as init ram*/
+#define CONFIG_SYS_INIT_RAM_ADDR	0x70000000	/* DCache             */
+#define CONFIG_SYS_INIT_RAM_END		(4 << 10)
+#define CONFIG_SYS_GBL_DATA_SIZE	256		/* num bytes init data*/
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END \
+					 - CONFIG_SYS_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
+
+/*
+ * Serial Port
+ */
+#define CONFIG_SYS_EXT_SERIAL_CLOCK	11059200	/* ext. 11.059MHz clk */
+#define CONFIG_UART1_CONSOLE
+
+/*
+ * Environment
+ * Define here the location of the environment variables (FLASH or EEPROM).
+ * Note: DENX encourages to use redundant environment in FLASH.
+ */
+#define CONFIG_ENV_IS_IN_FLASH		1		/* FLASH for env. vars*/
+
+/*
+ * FLASH related
+ */
+#define CONFIG_SYS_FLASH_CFI			/* The flash is CFI compatible*/
+#define CONFIG_FLASH_CFI_DRIVER			/* Use common CFI driver      */
+#define CONFIG_SYS_FLASH_CFI_AMD_RESET	1	/* AMD RESET for STM 29W320DB!*/
+
+#define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks */
+#define CONFIG_SYS_MAX_FLASH_SECT	512	/* max number of sectors/chip */
+
+#define CONFIG_SYS_FLASH_ERASE_TOUT 	120000	/* Timeout/Flash Erase (in ms)*/
+#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout/Flash Write (in ms)*/
+
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1/* use buffered writes (20x faster)*/
+
+#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
+
+#ifdef CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_SECT_SIZE		0x20000 /* size of one complete sector*/
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE			0x2000 /* Total Size of Env. Sector */
+
+/* Address and size of Redundant Environment Sector */
+#define CONFIG_ENV_ADDR_REDUND		(CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND		(CONFIG_ENV_SIZE)
+#endif /* CONFIG_ENV_IS_IN_FLASH */
+
+/*
+ * DDR SDRAM
+ */
+#undef CONFIG_SPD_EEPROM		/* Don't use SPD EEPROM for setup*/
+#define CONFIG_SYS_KBYTES_SDRAM		(128 * 1024)    /* 128MB         */
+#define CONFIG_SYS_SDRAM_BANKS		(2)
+
+#define CONFIG_SDRAM_BANK0
+#define CONFIG_SDRAM_BANK1
+
+#define CONFIG_SYS_SDRAM0_TR0		0x410a4012
+#define CONFIG_SYS_SDRAM0_WDDCTR	0x40000000
+#define CONFIG_SYS_SDRAM0_RTR		0x04080000
+#define CONFIG_SYS_SDRAM0_CFG0		0x80000000
+
+#undef CONFIG_SDRAM_ECC
+
+/*
+ * I2C
+ */
+#define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed+slave address*/
+
+/*
+ * Default environment variables
+ */
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	CONFIG_AMCC_DEF_ENV						\
+	CONFIG_AMCC_DEF_ENV_POWERPC					\
+	CONFIG_AMCC_DEF_ENV_NOR_UPD					\
+	"kernel_addr=fc000000\0"					\
+	"ramdisk_addr=fc180000\0"					\
+	""
+
+#define CONFIG_HAS_ETH1			1	/* add support for "eth1addr" */
+#define CONFIG_PHY_ADDR			1
+#define CONFIG_PHY1_ADDR		3
+
+#ifdef DEBUG
+#define CONFIG_PANIC_HANG
+#endif
+
+/*
+ * Commands additional to the ones defined in amcc-common.h
+ */
+#define CONFIG_CMD_PCI
+#undef CONFIG_CMD_EEPROM
+
+/*
+ * PCI stuff
+ */
+
+/* General PCI */
+#define CONFIG_PCI				/* include pci support        */
+#undef  CONFIG_PCI_PNP				/* do (not) pci plug-and-play */
+#define CONFIG_PCI_SCAN_SHOW			/* show pci devices on startup*/
+#define CONFIG_SYS_PCI_TARGBASE		0x80000000	/* PCIaddr mapped to \
+							CONFIG_SYS_PCI_MEMBASE*/
+
+/* Board-specific PCI */
+#define CONFIG_SYS_PCI_TARGET_INIT
+#define CONFIG_SYS_PCI_MASTER_INIT
+
+#define CONFIG_SYS_PCI_SUBSYS_VENDORID	0x10e8	/* AMCC */
+#define CONFIG_SYS_PCI_SUBSYS_ID	0xcafe	/* tbd */
+
+/*
+ * External Bus Controller (EBC) Setup
+ */
+#define CONFIG_SYS_FLASH		CONFIG_SYS_FLASH_BASE
+
+/* Memory Bank 0 (NOR-FLASH) initialization */
+#define CONFIG_SYS_EBC_PB0AP		0x03017200
+#define CONFIG_SYS_EBC_PB0CR		(CONFIG_SYS_FLASH | 0xda000)
+
+#endif	/* __CONFIG_H */