ppc4xx: Add GDsys CompactCenter board support.

Board support for the Guntermann & Drunck CompactCenter and
DevCon-Center.
Based on the AMCC Canyonlands board support by Stefan Roese.
Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Stefan Roese <sr@denx.de>

MAINTAINERS

@@ -135,6 +135,8 @@ Jon Diekema <jon.diekema@smiths-aerospace.com>
 
 Dirk Eibach <eibach@gdsys.de>
 
+	compactcenter	PPC460EX
+	devconcenter	PPC460EX
 	dlvision        PPC405EP
 	gdppc440etx	PPC440EP/GR
 	neo		PPC405EP

MAKEALL

@@ -184,6 +184,7 @@ LIST_4xx="		\
 	canyonlands	\
 	canyonlands_nand \
 	CMS700		\
+	compactcenter	\
 	CPCI2DP		\
 	CPCI405		\
 	CPCI4052	\
@@ -194,6 +195,7 @@ LIST_4xx="		\
 	csb272		\
 	csb472		\
 	DASA_SIM	\
+	devconcenter	\
 	dlvision	\
 	DP405		\
 	DU405		\

Makefile

@@ -1282,6 +1282,14 @@ CATcenter_33_config:	unconfig
 CMS700_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc ppc4xx cms700 esd
 
+# Compact-Center & DevCon-Center use different U-Boot images
+compactcenter_config \
+devconcenter_config:	unconfig
+	@mkdir -p $(obj)include
+	@echo "#define CONFIG_$$(echo $(subst ,,$(@:_config=)) | \
+		tr '[:lower:]' '[:upper:]')" >$(obj)include/config.h
+	@$(MKCONFIG) -n $@ -a compactcenter ppc ppc4xx compactcenter gdsys
+
 CPCI2DP_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc ppc4xx cpci2dp esd
 

board/gdsys/compactcenter/Makefile

+#
+# (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
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS-y	:= $(BOARD).o
+COBJS-$(CONFIG_CMD_CHIP_CONFIG) += chip_config.o
+SOBJS	:= init.o
+
+COBJS   := $(COBJS-y)
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+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
+
+#########################################################################

board/gdsys/compactcenter/chip_config.c

+/*
+ * (C) Copyright 2008-2009
+ * 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 <asm/ppc4xx_config.h>
+
+struct ppc4xx_config ppc4xx_config_val[] = {
+	{
+		"600-nor", "NOR  CPU: 600 PLB: 200 OPB: 100 EBC: 100",
+		{
+			0x86, 0x80, 0xce, 0x1f, 0x79, 0x80, 0x00, 0xa0,
+			0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+		}
+	},
+	{
+		"600-nand", "NAND CPU: 600 PLB: 200 OPB: 100 EBC: 100",
+		{
+			0x86, 0x80, 0xce, 0x1f, 0x79, 0x90, 0x01, 0xa0,
+			0xa0, 0xe8, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00
+		}
+	},
+	{
+		"800-nor", "NOR  CPU: 800 PLB: 200 OPB: 100 EBC: 100",
+		{
+			0x86, 0x80, 0xba, 0x14, 0x99, 0x80, 0x00, 0xa0,
+			0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+		}
+	},
+	{
+		"800-nand", "NAND CPU: 800 PLB: 200 OPB: 100 EBC: 100",
+		{
+			0x86, 0x80, 0xba, 0x14, 0x99, 0x90, 0x01, 0xa0,
+			0xa0, 0xe8, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00
+		}
+	},
+	{
+		"1000-nor", "NOR  CPU:1000 PLB: 200 OPB: 100 EBC: 100",
+		{
+			0x86, 0x82, 0x96, 0x19, 0xb9, 0x80, 0x00, 0xa0,
+			0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+		}
+	},
+	{
+		"1000-nand", "NAND CPU:1000 PLB: 200 OPB: 100 EBC: 100",
+		{
+			0x86, 0x82, 0x96, 0x19, 0xb9, 0x90, 0x01, 0xa0,
+			0xa0, 0xe8, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00
+		}
+	},
+	{
+		"1066-nor", "NOR  CPU:1066 PLB: 266 OPB:  88 EBC:  88",
+		{
+			0x86, 0x80, 0xb3, 0x01, 0x9d, 0x80, 0x00, 0xa0,
+			0x40, 0x08, 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00
+		}
+	},
+	{
+		"1066-nand", "NAND CPU:1066 PLB: 266 OPB:  88 EBC:  88",
+		{
+			0x86, 0x80, 0xb3, 0x01, 0x9d, 0x90, 0x01, 0xa0,
+			0xa0, 0xe8, 0x23, 0x58, 0x0d, 0x05, 0x00, 0x00
+		}
+	},
+};
+
+int ppc4xx_config_count = ARRAY_SIZE(ppc4xx_config_val);

board/gdsys/compactcenter/compactcenter.c

+/*
+ * (C) Copyright 2009
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * Based on board/amcc/canyonlands/canyonlands.c
+ * (C) Copyright 2008
+ * Stefan Roese, DENX Software Engineering, sr@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
+ */
+
+#include <common.h>
+#include <ppc440.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <i2c.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/mmu.h>
+#include <asm/4xx_pcie.h>
+#include <asm/gpio.h>
+
+extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define CONFIG_SYS_BCSR3_PCIE		0x10
+
+int board_early_init_f(void)
+{
+	u32 pvr = get_pvr();
+
+	/*
+	 * Setup the interrupt controller polarities, triggers, etc.
+	 */
+	mtdcr(uic0sr, 0xffffffff);	/* clear all */
+	mtdcr(uic0er, 0x00000000);	/* disable all */
+	mtdcr(uic0cr, 0x00000005);	/* ATI & UIC1 crit are critical */
+	mtdcr(uic0pr, 0xffffffff);	/* per ref-board manual */
+	mtdcr(uic0tr, 0x00000000);	/* per ref-board manual */
+	mtdcr(uic0vr, 0x00000000);	/* 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, 0xffffffff);	/* per ref-board manual */
+	mtdcr(uic1tr, 0x00000000);	/* per ref-board manual */
+	mtdcr(uic1vr, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(uic1sr, 0xffffffff);	/* clear all */
+
+	mtdcr(uic2sr, 0xffffffff);	/* clear all */
+	mtdcr(uic2er, 0x00000000);	/* disable all */
+	mtdcr(uic2cr, 0x00000000);	/* all non-critical */
+	mtdcr(uic2pr, 0xffffffff);	/* per ref-board manual */
+	mtdcr(uic2tr, 0x00000000);	/* per ref-board manual */
+	mtdcr(uic2vr, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(uic2sr, 0xffffffff);	/* clear all */
+
+	mtdcr(uic3sr, 0xffffffff);	/* clear all */
+	mtdcr(uic3er, 0x00000000);	/* disable all */
+	mtdcr(uic3cr, 0x00000000);	/* all non-critical */
+	mtdcr(uic3pr, 0xffffffff);	/* per ref-board manual */
+	mtdcr(uic3tr, 0x00000000);	/* per ref-board manual */
+	mtdcr(uic3vr, 0x00000000);	/* int31 highest, base=0x000 */
+	mtdcr(uic3sr, 0xffffffff);	/* clear all */
+
+	/*
+	 * Configure PFC (Pin Function Control) registers
+	 * enable GPIO 49-63
+	 * UART0: 4 pins
+	 */
+	mtsdr(SDR0_PFC0, 0x00007fff);
+	mtsdr(SDR0_PFC1, 0x00040000);
+
+	/* Enable PCI host functionality in SDR0_PCI0 */
+	mtsdr(SDR0_PCI0, 0xe0000000);
+
+	mtsdr(SDR0_SRST1, 0);	/* Pull AHB out of reset default=1 */
+
+	/* Setup PLB4-AHB bridge based on the system address map */
+	mtdcr(AHB_TOP, 0x8000004B);
+	mtdcr(AHB_BOT, 0x8000004B);
+
+	if ((pvr == PVR_460EX_RA) || (pvr == PVR_460EX_SE_RA)) {
+		/*
+		 * Configure USB-STP pins as alternate and not GPIO
+		 * It seems to be neccessary to configure the STP pins as GPIO
+		 * input at powerup (perhaps while USB reset is asserted). So
+		 * we configure those pins to their "real" function now.
+		 */
+		gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
+		gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
+	}
+
+	/* Trigger board component reset */
+	out_le16((void *)CONFIG_SYS_IO_BASE, 0xffff);
+	out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffff);
+	udelay(50);
+	out_le16((void *)CONFIG_SYS_IO_BASE, 0xffbf);
+	out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffbf);
+	udelay(50);
+	out_le16((void *)CONFIG_SYS_IO_BASE, 0xffff);
+	out_le16((void *)CONFIG_SYS_IO_BASE + 0x100, 0xffff);
+
+	return 0;
+}
+
+int get_cpu_num(void)
+{
+	int cpu = NA_OR_UNKNOWN_CPU;
+
+	return cpu;
+}
+
+int checkboard(void)
+{
+	char *s = getenv("serial#");
+
+#ifdef CONFIG_DEVCONCENTER
+	printf("Board: DevCon-Center");
+#else
+	printf("Board: CompactCenter");
+#endif
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return 0;
+}
+
+/*
+ *  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)
+{
+	/*
+	 * Disable everything
+	 */
+	out_le32((void *)PCIX0_PIM0SA, 0); /* disable */
+	out_le32((void *)PCIX0_PIM1SA, 0); /* disable */
+	out_le32((void *)PCIX0_PIM2SA, 0); /* disable */
+	out_le32((void *)PCIX0_EROMBA, 0); /* disable expansion rom */
+
+	/*
+	 * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440
+	 * strapping options to not support sizes such as 128/256 MB.
+	 */
+	out_le32((void *)PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE);
+	out_le32((void *)PCIX0_PIM0LAH, 0);
+	out_le32((void *)PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1);
+	out_le32((void *)PCIX0_BAR0, 0);
+
+	/*
+	 * Program the board's subsystem id/vendor id
+	 */
+	out_le16((void *)PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID);
+	out_le16((void *)PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
+
+	out_le16((void *)PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY);
+}
+#endif	/* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
+
+#if defined(CONFIG_PCI)
+/*
+ * 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.
+ */
+int is_pci_host(struct pci_controller *hose)
+{
+	/* Board is always configured as host. */
+	return 1;
+}
+#endif /* CONFIG_PCI */
+
+int board_early_init_r(void)
+{
+	/*
+	 * CompactCenter has 64MBytes, DevCon-Center 128MBytes of NOR FLASH
+	 * (Spansion 29GL512), but the boot EBC mapping only supports a maximum
+	 * of 16MBytes (4.ff00.0000 - 4.ffff.ffff).
+	 * To solve this problem, the FLASH has to get remapped to another
+	 * EBC address which accepts bigger regions:
+	 *
+	 * 0xfn00.0000 -> 4.cn00.0000
+	 */
+
+	u32 bxcr_bw = (CONFIG_SYS_FLASH_SIZE == 128 << 20) ?
+		EBC_BXCR_BS_128MB : EBC_BXCR_BS_64MB;
+
+	/* Remap the NOR FLASH to 0xcn00.0000 ... 0xcfff.ffff */
+	mtebc(pb0cr, CONFIG_SYS_FLASH_BASE_PHYS_L
+		| bxcr_bw
+		| EBC_BXCR_BU_RW
+		| EBC_BXCR_BW_16BIT);
+
+	/* Remove TLB entry of boot EBC mapping */
+	remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20);
+
+	/* Add TLB entry for 0xfn00.0000 -> 0x4.cn00.0000 */
+	program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE,
+			CONFIG_SYS_FLASH_SIZE, TLB_WORD2_I_ENABLE);
+
+	/*
+	 * Now accessing of the whole 64Mbytes of NOR FLASH at virtual address
+	 * 0xfc00.0000 is possible
+	 */
+
+	/*
+	 * Clear potential errors resulting from auto-calibration.
+	 * If not done, then we could get an interrupt later on when
+	 * exceptions are enabled.
+	 */
+	set_mcsr(get_mcsr());
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	u32 sdr0_srst1 = 0;
+	u32 eth_cfg;
+	u32 pvr = get_pvr();
+
+	/*
+	 * Set EMAC mode/configuration (GMII, SGMII, RGMII...).
+	 * This is board specific, so let's do it here.
+	 */
+	mfsdr(SDR0_ETH_CFG, eth_cfg);
+	/* disable SGMII mode */
+	eth_cfg &= ~(SDR0_ETH_CFG_SGMII2_ENABLE |
+		     SDR0_ETH_CFG_SGMII1_ENABLE |
+		     SDR0_ETH_CFG_SGMII0_ENABLE);
+	/* Set the for 2 RGMII mode */
+	/* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */
+	eth_cfg &= ~SDR0_ETH_CFG_GMC0_BRIDGE_SEL;
+	if ((pvr == PVR_460EX_RA) || (pvr == PVR_460EX_SE_RA))
+		eth_cfg |= SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
+	else
+		eth_cfg &= ~SDR0_ETH_CFG_GMC1_BRIDGE_SEL;
+	mtsdr(SDR0_ETH_CFG, eth_cfg);
+
+	/*
+	 * The AHB Bridge core is held in reset after power-on or reset
+	 * so enable it now
+	 */
+	mfsdr(SDR0_SRST1, sdr0_srst1);
+	sdr0_srst1 &= ~SDR0_SRST1_AHB;
+	mtsdr(SDR0_SRST1, sdr0_srst1);
+
+	return 0;
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+extern void __ft_board_setup(void *blob, bd_t *bd);
+
+void ft_board_setup(void *blob, bd_t *bd)
+{
+	__ft_board_setup(blob, bd);
+
+	fdt_find_and_setprop(blob, "/plb/pciex@d00000000", "status",
+			     "disabled", sizeof("disabled"), 1);
+
+	fdt_find_and_setprop(blob, "/plb/sata@bffd1000", "status",
+			     "disabled", sizeof("disabled"), 1);
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */

board/gdsys/compactcenter/config.mk

+#
+# (C) Copyright 2008
+# 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 CompactCenter
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+TEXT_BASE = 0xFFFA0000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000
+endif

board/gdsys/compactcenter/init.S

+/*
+ * (C) Copyright 2009
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * Based on board/amcc/canyonlands/init.S
+ * (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 <ppc_asm.tmpl>
+#include <config.h>
+#include <asm-ppc/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_16M, CONFIG_SYS_BOOT_BASE_ADDR,
+		4, AC_R|AC_W|AC_X|SA_G) /* TLB 0 */
+
+	/*
+	 * TLB entries for SDRAM are not needed on this platform.
+	 * They are dynamically generated in the SPD DDR(2) detection
+	 * routine.
+	 */
+
+#ifdef CONFIG_SYS_INIT_RAM_DCACHE
+	/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+	tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR,
+		0, AC_R|AC_W|AC_X|SA_G)
+#endif
+
+	tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC,
+		AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x20000000, 0xC,
+		AC_R|AC_W|SA_G|SA_I)
+
+	/* TLB-entry for NVRAM */
+	tlbentry(CONFIG_SYS_NVRAM_BASE, SZ_1M, CONFIG_SYS_NVRAM_BASE, 4,
+		AC_R|AC_W|SA_G|SA_I)
+
+	/* TLB-entry for UART */
+	tlbentry(CONFIG_SYS_UART_BASE, SZ_16K, CONFIG_SYS_UART_BASE, 4,
+		AC_R|AC_W|SA_G|SA_I)
+
+	/* TLB-entry for IO */
+	tlbentry(CONFIG_SYS_IO_BASE, SZ_16K, CONFIG_SYS_IO_BASE, 4,
+		AC_R|AC_W|SA_G|SA_I)
+
+	/* TLB-entry for OCM */
+	tlbentry(CONFIG_SYS_OCM_BASE, SZ_1M, 0x00000000, 4,
+		AC_R|AC_W|AC_X|SA_I)
+
+	/* TLB-entry for Local Configuration registers => peripherals */
+	tlbentry(CONFIG_SYS_LOCAL_CONF_REGS, SZ_16M, CONFIG_SYS_LOCAL_CONF_REGS,
+		4, AC_R|AC_W|AC_X|SA_G|SA_I)
+
+	/* AHB: Internal USB Peripherals (USB, SATA) */
+	tlbentry(CONFIG_SYS_AHB_BASE, SZ_1M, 0xbff00000, 4,
+		AC_R|AC_W|AC_X|SA_G|SA_I)
+
+	tlbtab_end

board/gdsys/compactcenter/u-boot.lds

+/*
+ * (C) Copyright 2008
+ * 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/compactcenter/init.o	(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+  }
+  .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;