Major cleanup for AMCC PPC4xx eval boards.

Patch by Stefan Roese, 01 Aug 2005

29 files changed, 4322 insertions, 0 deletions

diff --git a/board/amcc/bamboo/Makefile b/board/amcc/bamboo/Makefile
new file mode 100644
index 0000000..0b97906
--- /dev/null
+++ b/board/amcc/bamboo/Makefile
@@ -0,0 +1,48 @@
+#
+# (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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o
+#OBJS   += flash.o
+SOBJS	= init.o
+
+$(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 $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
new file mode 100644
index 0000000..7b2d3f4
--- /dev/null
+++ b/board/amcc/bamboo/bamboo.c
@@ -0,0 +1,439 @@
+/*
+ * (C) Copyright 2005
+ * 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/processor.h>
+#include <spd_sdram.h>
+
+int board_early_init_f(void)
+{
+	register uint reg;
+
+	/*--------------------------------------------------------------------
+	 * Setup the external bus controller/chip selects
+	 *-------------------------------------------------------------------*/
+	mtdcr(ebccfga, xbcfg);
+	reg = mfdcr(ebccfgd);
+	mtdcr(ebccfgd, reg | 0x04000000);	/* Set ATC */
+
+#if 0 /* test-only */
+	mtebc(pb0ap, 0x03017300);	/* FLASH/SRAM */
+	mtebc(pb0cr, 0xfe0ba000);	/* BAS=0xfe0 32MB r/w 16-bit */
+
+	mtebc(pb1ap, 0x00000000);
+	mtebc(pb1cr, 0x00000000);
+
+	mtebc(pb2ap, 0x04814500);
+	/*CPLD*/ mtebc(pb2cr, 0x80018000);	/*BAS=0x800 1MB r/w 8-bit */
+#else
+	mtebc(pb0ap, 0x04055200);	/* FLASH/SRAM */
+	mtebc(pb0cr, 0xfff18000);	/* BAS=0xfe0 1MB r/w 8-bit */
+#endif
+
+	mtebc(pb3ap, 0x00000000);
+	mtebc(pb3cr, 0x00000000);
+
+	mtebc(pb4ap, 0x00000000);
+	mtebc(pb4cr, 0x00000000);
+
+	mtebc(pb5ap, 0x00000000);
+	mtebc(pb5cr, 0x00000000);
+
+	/*--------------------------------------------------------------------
+	 * 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 the GPIO pins
+	 *-------------------------------------------------------------------*/
+	/*CPLD cs */
+	/*setup Address lines for flash sizes larger than 16Meg. */
+	out32(GPIO0_OSRL, in32(GPIO0_OSRL) | 0x40010000);
+	out32(GPIO0_TSRL, in32(GPIO0_TSRL) | 0x40010000);
+	out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) | 0x40000000);
+
+	/*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);
+
+	/*UART1 */
+	out32(GPIO1_TCR, in32(GPIO1_TCR) | 0x02000000);
+	out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000);
+	out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x00010000);
+
+	/*setup USB 2.0 */
+	out32(GPIO1_TCR, in32(GPIO1_TCR) | 0xc0000000);
+	out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x50000000);
+	out32(GPIO0_TCR, in32(GPIO0_TCR) | 0xf);
+	out32(GPIO0_OSRH, in32(GPIO0_OSRH) | 0xaa);
+	out32(GPIO0_ISR2H, in32(GPIO0_ISR2H) | 0x00000500);
+
+	/*--------------------------------------------------------------------
+	 * 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 */
+
+#if 0 /* test-only */
+	/*clear tmrclk divisor */
+	*(unsigned char *)(CFG_BCSR_BASE | 0x04) = 0x00;
+
+	/*enable ethernet */
+	*(unsigned char *)(CFG_BCSR_BASE | 0x08) = 0xf0;
+
+	/*enable usb 1.1 fs device and remove usb 2.0 reset */
+	*(unsigned char *)(CFG_BCSR_BASE | 0x09) = 0x00;
+
+	/*get rid of flash write protect */
+	*(unsigned char *)(CFG_BCSR_BASE | 0x07) = 0x40;
+#endif
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	sys_info_t sysinfo;
+	unsigned char *s = getenv("serial#");
+
+	get_sys_info(&sysinfo);
+
+	printf("Board: Bamboo - AMCC PPC440EP Evaluation Board");
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	printf("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz / 1000000);
+	printf("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
+	printf("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
+	printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
+	printf("\tEPB: %lu MHz\n", sysinfo.freqEPB / 1000000);
+	return (0);
+}
+
+/*************************************************************************
+ *  sdram_init -- doesn't use serial presence detect.
+ *
+ *  Assumes:    256 MB, ECC, non-registered
+ *              PLB @ 133 MHz
+ *
+ ************************************************************************/
+void sdram_init(void)
+{
+	register uint reg;
+
+	/*--------------------------------------------------------------------
+	 * Setup some default
+	 *------------------------------------------------------------------*/
+	mtsdram(mem_uabba, 0x00000000);	/* ubba=0 (default)             */
+	mtsdram(mem_slio, 0x00000000);	/* rdre=0 wrre=0 rarw=0         */
+	mtsdram(mem_devopt, 0x00000000);	/* dll=0 ds=0 (normal)          */
+	mtsdram(mem_clktr, 0x40000000);	/* ?? */
+	mtsdram(mem_wddctr, 0x40000000);	/* ?? */
+
+	/*clear this first, if the DDR is enabled by a debugger
+	   then you can not make changes. */
+	mtsdram(mem_cfg0, 0x00000000);	/* Disable EEC */
+
+	/*--------------------------------------------------------------------
+	 * Setup for board-specific specific mem
+	 *------------------------------------------------------------------*/
+	/*
+	 * Following for CAS Latency = 2.5 @ 133 MHz PLB
+	 */
+	mtsdram(mem_b0cr, 0x000a4001);	/* SDBA=0x000 128MB, Mode 3, enabled */
+	mtsdram(mem_b1cr, 0x080a4001);	/* SDBA=0x080 128MB, Mode 3, enabled */
+
+	mtsdram(mem_tr0, 0x410a4012);	/* ?? */
+	mtsdram(mem_tr1, 0x8080080b);	/* ?? */
+	mtsdram(mem_rtr, 0x04080000);	/* ?? */
+	mtsdram(mem_cfg1, 0x00000000);	/* Self-refresh exit, disable PM    */
+	mtsdram(mem_cfg0, 0x34000000);	/* Disable EEC */
+	udelay(400);		/* Delay 200 usecs (min)            */
+
+	/*--------------------------------------------------------------------
+	 * Enable the controller, then wait for DCEN to complete
+	 *------------------------------------------------------------------*/
+	mtsdram(mem_cfg0, 0x84000000);	/* Enable */
+
+	for (;;) {
+		mfsdram(mem_mcsts, reg);
+		if (reg & 0x80000000)
+			break;
+	}
+}
+
+/*************************************************************************
+ *  long int initdram
+ *
+ ************************************************************************/
+long int initdram(int board)
+{
+	sdram_init();
+	return CFG_SDRAM_BANKS * (CFG_KBYTES_SDRAM * 1024);	/* return bytes */
+}
+
+#if defined(CFG_DRAM_TEST)
+int testdram(void)
+{
+	unsigned long *mem = (unsigned long *)0;
+	const unsigned long kend = (1024 / sizeof(unsigned long));
+	unsigned long k, n;
+
+	mtmsr(0);
+
+	for (k = 0; k < CFG_KBYTES_SDRAM;
+	     ++k, mem += (1024 / sizeof(unsigned long))) {
+		if ((k & 1023) == 0) {
+			printf("%3d MB\r", k / 1024);
+		}
+
+		memset(mem, 0xaaaaaaaa, 1024);
+		for (n = 0; n < kend; ++n) {
+			if (mem[n] != 0xaaaaaaaa) {
+				printf("SDRAM test fails at: %08x\n",
+				       (uint) & mem[n]);
+				return 1;
+			}
+		}
+
+		memset(mem, 0x55555555, 1024);
+		for (n = 0; n < kend; ++n) {
+			if (mem[n] != 0x55555555) {
+				printf("SDRAM test fails at: %08x\n",
+				       (uint) & mem[n]);
+				return 1;
+			}
+		}
+	}
+	printf("SDRAM test passes\n");
+	return 0;
+}
+#endif
+
+/*************************************************************************
+ *  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) && defined(CFG_PCI_PRE_INIT)
+int pci_pre_init(struct pci_controller *hose)
+{
+	unsigned long strap;
+	unsigned long addr;
+
+	/*--------------------------------------------------------------------------+
+	 *	Bamboo is always configured as the host & requires the
+	 *	PCI arbiter to be enabled.
+	 *--------------------------------------------------------------------------*/
+	mfsdr(sdr_sdstp1, strap);
+	if ((strap & SDR0_SDSTP1_PAE_MASK) == 0) {
+		printf("PCI: SDR0_STRP1[PAE] not set.\n");
+		printf("PCI: Configuration aborted.\n");
+		return 0;
+	}
+
+	/*-------------------------------------------------------------------------+
+	  | 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);
+
+	return 1;
+}
+#endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
+
+/*************************************************************************
+ *  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(CFG_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);	/* PMM0 Mask/Attribute - disabled b4 setting */
+	out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE);	/* PMM0 Local Address */
+	out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE);	/* PMM0 PCI Low Address */
+	out32r(PCIX0_PMM0PCIHA, 0x00000000);	/* PMM0 PCI High Address */
+	out32r(PCIX0_PMM0MA, 0xE0000001);	/* 512M + No prefetching, and enable region */
+
+	out32r(PCIX0_PMM1MA, 0x00000000);	/* PMM0 Mask/Attribute - disabled b4 setting */
+	out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2);	/* PMM0 Local Address */
+	out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2);	/* PMM0 PCI Low Address */
+	out32r(PCIX0_PMM1PCIHA, 0x00000000);	/* PMM0 PCI High Address */
+	out32r(PCIX0_PMM1MA, 0xE0000001);	/* 512M + No prefetching, and enable region */
+
+	out32r(PCIX0_PTM1MS, 0x00000001);	/* Memory Size/Attribute */
+	out32r(PCIX0_PTM1LA, 0);	/* Local Addr. Reg */
+	out32r(PCIX0_PTM2MS, 0);	/* Memory Size/Attribute */
+	out32r(PCIX0_PTM2LA, 0);	/* Local Addr. Reg */
+
+	/*--------------------------------------------------------------------------+
+	 * Set up Configuration registers
+	 *--------------------------------------------------------------------------*/
+
+	/* Program the board's subsystem id/vendor id */
+	pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
+			      CFG_PCI_SUBSYS_VENDORID);
+	pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_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(CFG_PCI_TARGET_INIT) */
+
+/*************************************************************************
+ *  pci_master_init
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_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(CFG_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)
+{
+	/* Bamboo is always configured as host. */
+	return (1);
+}
+#endif				/* defined(CONFIG_PCI) */
+
+/*************************************************************************
+ *  hw_watchdog_reset
+ *
+ *	This routine is called to reset (keep alive) the watchdog timer
+ *
+ ************************************************************************/
+#if defined(CONFIG_HW_WATCHDOG)
+void hw_watchdog_reset(void)
+{
+
+}
+#endif
diff --git a/board/amcc/bamboo/config.mk b/board/amcc/bamboo/config.mk
new file mode 100644
index 0000000..4ab0ea0
--- /dev/null
+++ b/board/amcc/bamboo/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
+#
+
+#
+# esd ADCIOP boards
+#
+
+#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 += -DCFG_INIT_DBCR=0x8cff0000
+endif
diff --git a/board/amcc/bamboo/init.S b/board/amcc/bamboo/init.S
new file mode 100644
index 0000000..7ba43c7
--- /dev/null
+++ b/board/amcc/bamboo/init.S
@@ -0,0 +1,107 @@
+/*
+*
+* 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>
+
+/* General */
+#define TLB_VALID   0x00000200
+
+/* Supported page sizes */
+
+#define SZ_1K	    0x00000000
+#define SZ_4K	    0x00000010
+#define SZ_16K	    0x00000020
+#define SZ_64K	    0x00000030
+#define SZ_256K	    0x00000040
+#define SZ_1M	    0x00000050
+#define SZ_8M       0x00000060
+#define SZ_16M	    0x00000070
+#define SZ_256M	    0x00000090
+
+/* Storage attributes */
+#define SA_W	    0x00000800	    /* Write-through */
+#define SA_I	    0x00000400	    /* Caching inhibited */
+#define SA_M	    0x00000200	    /* Memory coherence */
+#define SA_G	    0x00000100	    /* Guarded */
+#define SA_E	    0x00000080	    /* Endian */
+
+/* Access control */
+#define AC_X	    0x00000024	    /* Execute */
+#define AC_W	    0x00000012	    /* Write */
+#define AC_R	    0x00000009	    /* Read */
+
+/* Some handy macros */
+
+#define EPN(e)		((e) & 0xfffffc00)
+#define TLB0(epn,sz)	( (EPN((epn)) | (sz) | TLB_VALID ) )
+#define TLB1(rpn,erpn)	( ((rpn)&0xfffffc00) | (erpn) )
+#define TLB2(a)		( (a)&0x00000fbf )
+
+#define tlbtab_start\
+	mflr    r1  ;\
+	bl 0f	    ;
+
+#define tlbtab_end\
+	.long 0, 0, 0	;   \
+0:	mflr    r0	;   \
+	mtlr    r1	;   \
+	blr		;
+
+#define tlbentry(epn,sz,rpn,erpn,attr)\
+	.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
+
+
+/**************************************************************************
+ * 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
+	/*
+		0xf0000000 must be first, before relocation SA_I must be off to use the
+	    dcache as stack. It is patched after relocation to enable SA_I
+	*/
+    tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
+    tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+    tlbentry( CFG_PCI_BASE, SZ_256M, 0xE0000000, 0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CFG_NVRAM_BASE_ADDR, SZ_16K, 0x80000000, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
+
+    /* PCI */
+    tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I )
+
+    /* USB 2.0 Device */
+    tlbentry( CFG_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_R|AC_W|SA_G|SA_I )
+
+    tlbtab_end
diff --git a/board/amcc/bamboo/u-boot.lds b/board/amcc/bamboo/u-boot.lds
new file mode 100644
index 0000000..a4016d5
--- /dev/null
+++ b/board/amcc/bamboo/u-boot.lds
@@ -0,0 +1,155 @@
+/*
+ * (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)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* 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/amcc/bamboo/init.o	(.text)
+    cpu/ppc4xx/kgdb.o	(.text)
+    cpu/ppc4xx/traps.o	(.text)
+    cpu/ppc4xx/interrupts.o	(.text)
+    cpu/ppc4xx/serial.o	(.text)
+    cpu/ppc4xx/cpu_init.o	(.text)
+    cpu/ppc4xx/speed.o	(.text)
+    cpu/ppc4xx/405gp_enet.o	(.text)
+    common/dlmalloc.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_ppc/extable.o	(.text)
+    lib_generic/zlib.o		(.text)
+
+/*    . = env_offset;*/
+/*    common/environment.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;
+
+  .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) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/board/amcc/bubinga/Makefile b/board/amcc/bubinga/Makefile
new file mode 100644
index 0000000..f5bda55
--- /dev/null
+++ b/board/amcc/bubinga/Makefile
@@ -0,0 +1,46 @@
+#
+# (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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o flash.o
+
+$(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 $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/amcc/bubinga/bubinga.c b/board/amcc/bubinga/bubinga.c
new file mode 100644
index 0000000..b4e9349
--- /dev/null
+++ b/board/amcc/bubinga/bubinga.c
@@ -0,0 +1,84 @@
+/*
+ * (C) Copyright 2000-2005
+ * 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
+ */
+long int spd_sdram(void);
+
+#include <common.h>
+#include <asm/processor.h>
+
+int board_early_init_f(void)
+{
+	mtdcr(uicsr, 0xFFFFFFFF);	/* clear all ints */
+	mtdcr(uicer, 0x00000000);	/* disable all ints */
+	mtdcr(uiccr, 0x00000010);
+	mtdcr(uicpr, 0xFFFF7FF0);	/* set int polarities */
+	mtdcr(uictr, 0x00000010);	/* set int trigger levels */
+	mtdcr(uicsr, 0xFFFFFFFF);	/* clear all ints */
+
+	return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+int checkboard(void)
+{
+	unsigned char *s = getenv("serial#");
+
+	puts("Board: Bubinga - AMCC PPC405EP Evaluation Board");
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return (0);
+}
+
+/*
+ * sdram_init - Dummy implementation for start.S, spd_sdram used on this board!
+ */
+void sdram_init(void)
+{
+	return;
+}
+
+/* -------------------------------------------------------------------------
+  initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
+  the necessary info for SDRAM controller configuration
+   ------------------------------------------------------------------------- */
+long int initdram(int board_type)
+{
+	long int ret;
+
+	ret = spd_sdram();
+	return ret;
+}
+
+int testdram(void)
+{
+	/* TODO: XXX XXX XXX */
+	printf("test: xxx MB - ok\n");
+
+	return (0);
+}
diff --git a/board/amcc/bubinga/config.mk b/board/amcc/bubinga/config.mk
new file mode 100644
index 0000000..1bdf5e4
--- /dev/null
+++ b/board/amcc/bubinga/config.mk
@@ -0,0 +1,24 @@
+#
+# (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
+#
+
+TEXT_BASE = 0xFFFC0000
diff --git a/board/amcc/bubinga/flash.c b/board/amcc/bubinga/flash.c
new file mode 100644
index 0000000..e4832eb
--- /dev/null
+++ b/board/amcc/bubinga/flash.c
@@ -0,0 +1,204 @@
+/*
+ * (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
+ */
+
+/*
+ * Modified 4/5/2001
+ * Wait for completion of each sector erase command issued
+ * 4/5/2001
+ * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips        */
+
+#undef DEBUG
+#ifdef DEBUG
+#define DEBUGF(x...) printf(x)
+#else
+#define DEBUGF(x...)
+#endif				/* DEBUG */
+
+/*
+ * include common flash code (for amcc boards)
+ */
+#include "../common/flash.c"
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(vu_long * addr, flash_info_t * info);
+static void flash_get_offsets(ulong base, flash_info_t * info);
+
+unsigned long flash_init(void)
+{
+	unsigned long size_b0, size_b1;
+	int i;
+	uint pbcr;
+	unsigned long base_b0, base_b1;
+
+	/* Init: no FLASHes known */
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+	}
+
+	/* Static FLASH Bank configuration here - FIXME XXX */
+
+	size_b0 =
+	    flash_get_size((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+		printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+		       size_b0, size_b0 << 20);
+	}
+
+	/* Only one bank */
+	if (CFG_MAX_FLASH_BANKS == 1) {
+		/* Setup offsets */
+		flash_get_offsets(FLASH_BASE0_PRELIM, &flash_info[0]);
+
+		/* Monitor protection ON by default */
+		(void)flash_protect(FLAG_PROTECT_SET,
+				    CFG_MONITOR_BASE,
+				    CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
+				    &flash_info[0]);
+#ifdef CFG_ENV_IS_IN_FLASH
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
+				    CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[0]);
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
+				    CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[0]);
+#endif
+
+		size_b1 = 0;
+		flash_info[0].size = size_b0;
+	}
+
+	/* 2 banks */
+	else {
+		size_b1 =
+		    flash_get_size((vu_long *) FLASH_BASE1_PRELIM,
+				   &flash_info[1]);
+
+		/* Re-do sizing to get full correct info */
+
+		if (size_b1) {
+			mtdcr(ebccfga, pb0cr);
+			pbcr = mfdcr(ebccfgd);
+			mtdcr(ebccfga, pb0cr);
+			base_b1 = -size_b1;
+			pbcr = (pbcr & 0x0001ffff) | base_b1 |
+			    (((size_b1 / 1024 / 1024) - 1) << 17);
+			mtdcr(ebccfgd, pbcr);
+			/*          printf("pb1cr = %x\n", pbcr); */
+		}
+
+		if (size_b0) {
+			mtdcr(ebccfga, pb1cr);
+			pbcr = mfdcr(ebccfgd);
+			mtdcr(ebccfga, pb1cr);
+			base_b0 = base_b1 - size_b0;
+			pbcr = (pbcr & 0x0001ffff) | base_b0 |
+			    (((size_b0 / 1024 / 1024) - 1) << 17);
+			mtdcr(ebccfgd, pbcr);
+			/*            printf("pb0cr = %x\n", pbcr); */
+		}
+
+		size_b0 = flash_get_size((vu_long *) base_b0, &flash_info[0]);
+
+		flash_get_offsets(base_b0, &flash_info[0]);
+
+		/* monitor protection ON by default */
+		(void)flash_protect(FLAG_PROTECT_SET,
+				    base_b0 + size_b0 - CFG_MONITOR_LEN,
+				    base_b0 + size_b0 - 1, &flash_info[0]);
+		/* Also protect sector containing initial power-up instruction */
+		/* (flash_protect() checks address range - other call ignored) */
+		(void)flash_protect(FLAG_PROTECT_SET,
+				    0xFFFFFFFC, 0xFFFFFFFF, &flash_info[0]);
+		(void)flash_protect(FLAG_PROTECT_SET,
+				    0xFFFFFFFC, 0xFFFFFFFF, &flash_info[1]);
+
+		if (size_b1) {
+			/* Re-do sizing to get full correct info */
+			size_b1 =
+			    flash_get_size((vu_long *) base_b1, &flash_info[1]);
+
+			flash_get_offsets(base_b1, &flash_info[1]);
+
+			/* monitor protection ON by default */
+			(void)flash_protect(FLAG_PROTECT_SET,
+					    base_b1 + size_b1 - CFG_MONITOR_LEN,
+					    base_b1 + size_b1 - 1,
+					    &flash_info[1]);
+			/* monitor protection OFF by default (one is enough) */
+			(void)flash_protect(FLAG_PROTECT_CLEAR,
+					    base_b0 + size_b0 - CFG_MONITOR_LEN,
+					    base_b0 + size_b0 - 1,
+					    &flash_info[0]);
+		} else {
+			flash_info[1].flash_id = FLASH_UNKNOWN;
+			flash_info[1].sector_count = -1;
+		}
+
+		flash_info[0].size = size_b0;
+		flash_info[1].size = size_b1;
+	}			/* else 2 banks */
+	return (size_b0 + size_b1);
+}
+
+static void flash_get_offsets(ulong base, flash_info_t * info)
+{
+	int i;
+
+	/* set up sector start address table */
+	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+	    (info->flash_id == FLASH_AM040)) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000);
+	} else {
+		if (info->flash_id & FLASH_BTYPE) {
+			/* set sector offsets for bottom boot block type        */
+			info->start[0] = base + 0x00000000;
+			info->start[1] = base + 0x00004000;
+			info->start[2] = base + 0x00006000;
+			info->start[3] = base + 0x00008000;
+			for (i = 4; i < info->sector_count; i++) {
+				info->start[i] =
+				    base + (i * 0x00010000) - 0x00030000;
+			}
+		} else {
+			/* set sector offsets for top boot block type           */
+			i = info->sector_count - 1;
+			info->start[i--] = base + info->size - 0x00004000;
+			info->start[i--] = base + info->size - 0x00006000;
+			info->start[i--] = base + info->size - 0x00008000;
+			for (; i >= 0; i--) {
+				info->start[i] = base + i * 0x00010000;
+			}
+		}
+	}
+}
diff --git a/board/amcc/bubinga/u-boot.lds b/board/amcc/bubinga/u-boot.lds
new file mode 100644
index 0000000..b8f08ea
--- /dev/null
+++ b/board/amcc/bubinga/u-boot.lds
@@ -0,0 +1,148 @@
+/*
+ * (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(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  .resetvec 0xFFFFFFFC :
+  {
+    *(.resetvec)
+  } = 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)
+    cpu/ppc4xx/kgdb.o	(.text)
+    cpu/ppc4xx/traps.o	(.text)
+    cpu/ppc4xx/interrupts.o	(.text)
+    cpu/ppc4xx/serial.o	(.text)
+    cpu/ppc4xx/cpu_init.o	(.text)
+    cpu/ppc4xx/speed.o	(.text)
+    cpu/ppc4xx/405gp_enet.o	(.text)
+    common/dlmalloc.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_ppc/extable.o	(.text)
+    lib_generic/zlib.o		(.text)
+
+/*    . = env_offset;*/
+/*    common/environment.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;
+
+  .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) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/board/amcc/common/flash.c b/board/amcc/common/flash.c
new file mode 100644
index 0000000..7311c4e
--- /dev/null
+++ b/board/amcc/common/flash.c
@@ -0,0 +1,555 @@
+/*
+ * (C) Copyright 2004-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
+ * Add support for Am29F016D and dynamic switch setting.
+ *
+ * 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
+ */
+
+/*
+ * Modified 4/5/2001
+ * Wait for completion of each sector erase command issued
+ * 4/5/2001
+ * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips        */
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static int write_word(flash_info_t * info, ulong dest, ulong data);
+
+void flash_print_info(flash_info_t * info)
+{
+	int i;
+	int k;
+	int size;
+	int erased;
+	volatile unsigned long *flash;
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf("missing or unknown FLASH type\n");
+		return;
+	}
+
+	switch (info->flash_id & FLASH_VENDMASK) {
+	case FLASH_MAN_AMD:
+		printf("AMD ");
+		break;
+	case FLASH_MAN_STM:
+		printf("STM ");
+		break;
+	case FLASH_MAN_FUJ:
+		printf("FUJITSU ");
+		break;
+	case FLASH_MAN_SST:
+		printf("SST ");
+		break;
+	default:
+		printf("Unknown Vendor ");
+		break;
+	}
+
+	switch (info->flash_id & FLASH_TYPEMASK) {
+	case FLASH_AM040:
+		printf("AM29F040 (512 Kbit, uniform sector size)\n");
+		break;
+	case FLASH_AM400B:
+		printf("AM29LV400B (4 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM400T:
+		printf("AM29LV400T (4 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AM800B:
+		printf("AM29LV800B (8 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM800T:
+		printf("AM29LV800T (8 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AMD016:
+		printf("AM29F016D (16 Mbit, uniform sector size)\n");
+		break;
+	case FLASH_AM160B:
+		printf("AM29LV160B (16 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM160T:
+		printf("AM29LV160T (16 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AM320B:
+		printf("AM29LV320B (32 Mbit, bottom boot sect)\n");
+		break;
+	case FLASH_AM320T:
+		printf("AM29LV320T (32 Mbit, top boot sector)\n");
+		break;
+	case FLASH_AM033C:
+		printf("AM29LV033C (32 Mbit, top boot sector)\n");
+		break;
+	case FLASH_SST800A:
+		printf("SST39LF/VF800 (8 Mbit, uniform sector size)\n");
+		break;
+	case FLASH_SST160A:
+		printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n");
+		break;
+	default:
+		printf("Unknown Chip Type\n");
+		break;
+	}
+
+	printf("  Size: %ld KB in %d Sectors\n",
+	       info->size >> 10, info->sector_count);
+
+	printf("  Sector Start Addresses:");
+	for (i = 0; i < info->sector_count; ++i) {
+		/*
+		 * Check if whole sector is erased
+		 */
+		if (i != (info->sector_count - 1))
+			size = info->start[i + 1] - info->start[i];
+		else
+			size = info->start[0] + info->size - info->start[i];
+		erased = 1;
+		flash = (volatile unsigned long *)info->start[i];
+		size = size >> 2;	/* divide by 4 for longword access */
+		for (k = 0; k < size; k++) {
+			if (*flash++ != 0xffffffff) {
+				erased = 0;
+				break;
+			}
+		}
+
+		if ((i % 5) == 0)
+			printf("\n   ");
+		printf(" %08lX%s%s",
+		       info->start[i],
+		       erased ? " E" : "  ", info->protect[i] ? "RO " : "   ");
+	}
+	printf("\n");
+	return;
+}
+
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size(vu_long * addr, flash_info_t * info)
+{
+	short i;
+	CFG_FLASH_WORD_SIZE value;
+	ulong base = (ulong) addr;
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr;
+
+	DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr);
+
+	/* Write auto select command: read Manufacturer ID */
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+	addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+	addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090;
+	udelay(1000);
+
+	value = addr2[0];
+	DEBUGF("FLASH MANUFACT: %x\n", value);
+
+	switch (value) {
+	case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT:
+		info->flash_id = FLASH_MAN_AMD;
+		break;
+	case (CFG_FLASH_WORD_SIZE) FUJ_MANUFACT:
+		info->flash_id = FLASH_MAN_FUJ;
+		break;
+	case (CFG_FLASH_WORD_SIZE) SST_MANUFACT:
+		info->flash_id = FLASH_MAN_SST;
+		break;
+	case (CFG_FLASH_WORD_SIZE) STM_MANUFACT:
+		info->flash_id = FLASH_MAN_STM;
+		break;
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		info->sector_count = 0;
+		info->size = 0;
+		return (0);	/* no or unknown flash  */
+	}
+
+	value = addr2[1];	/* device ID            */
+
+	DEBUGF("\nFLASH DEVICEID: %x\n", value);
+
+	switch (value) {
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV040B:
+		info->flash_id += FLASH_AM040;
+		info->sector_count = 8;
+		info->size = 0x0080000;	/* => 512 ko */
+		break;
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_F040B:
+		info->flash_id += FLASH_AM040;
+		info->sector_count = 8;
+		info->size = 0x0080000;	/* => 512 ko */
+		break;
+
+	case (CFG_FLASH_WORD_SIZE) STM_ID_M29W040B:
+		info->flash_id += FLASH_AM040;
+		info->sector_count = 8;
+		info->size = 0x0080000;	/* => 512 ko */
+		break;
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_F016D:
+		info->flash_id += FLASH_AMD016;
+		info->sector_count = 32;
+		info->size = 0x00200000;
+		break;		/* => 2 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV033C:
+		info->flash_id += FLASH_AMDLV033C;
+		info->sector_count = 64;
+		info->size = 0x00400000;
+		break;		/* => 4 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400T:
+		info->flash_id += FLASH_AM400T;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;		/* => 0.5 MB            */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400B:
+		info->flash_id += FLASH_AM400B;
+		info->sector_count = 11;
+		info->size = 0x00080000;
+		break;		/* => 0.5 MB            */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800T:
+		info->flash_id += FLASH_AM800T;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;		/* => 1 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800B:
+		info->flash_id += FLASH_AM800B;
+		info->sector_count = 19;
+		info->size = 0x00100000;
+		break;		/* => 1 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160T:
+		info->flash_id += FLASH_AM160T;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;		/* => 2 MB              */
+
+	case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160B:
+		info->flash_id += FLASH_AM160B;
+		info->sector_count = 35;
+		info->size = 0x00200000;
+		break;		/* => 2 MB              */
+
+	default:
+		info->flash_id = FLASH_UNKNOWN;
+		return (0);	/* => no or unknown flash */
+	}
+
+	/* set up sector start address table */
+	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) ||
+	    ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000);
+	} else {
+		if (info->flash_id & FLASH_BTYPE) {
+			/* set sector offsets for bottom boot block type        */
+			info->start[0] = base + 0x00000000;
+			info->start[1] = base + 0x00004000;
+			info->start[2] = base + 0x00006000;
+			info->start[3] = base + 0x00008000;
+			for (i = 4; i < info->sector_count; i++) {
+				info->start[i] =
+				    base + (i * 0x00010000) - 0x00030000;
+			}
+		} else {
+			/* set sector offsets for top boot block type           */
+			i = info->sector_count - 1;
+			info->start[i--] = base + info->size - 0x00004000;
+			info->start[i--] = base + info->size - 0x00006000;
+			info->start[i--] = base + info->size - 0x00008000;
+			for (; i >= 0; i--) {
+				info->start[i] = base + i * 0x00010000;
+			}
+		}
+	}
+
+	/* check for protected sectors */
+	for (i = 0; i < info->sector_count; i++) {
+		/* read sector protection at sector address, (A7 .. A0) = 0x02 */
+		/* D0 = 1 if protected */
+		addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
+
+		/* For AMD29033C flash we need to resend the command of *
+		 * reading flash protection for upper 8 Mb of flash     */
+		if (i == 32) {
+			addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA;
+			addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555;
+			addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090;
+		}
+
+		if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+			info->protect[i] = 0;
+		else
+			info->protect[i] = addr2[2] & 1;
+	}
+
+	/* issue bank reset to return to read mode */
+	addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;
+
+	return (info->size);
+}
+
+int wait_for_DQ7(flash_info_t * info, int sect)
+{
+	ulong start, now, last;
+	volatile CFG_FLASH_WORD_SIZE *addr =
+	    (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+	start = get_timer(0);
+	last = start;
+	while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
+	       (CFG_FLASH_WORD_SIZE) 0x00800080) {
+		if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+			printf("Timeout\n");
+			return -1;
+		}
+		/* show that we're waiting */
+		if ((now - last) > 1000) {	/* every second */
+			putc('.');
+			last = now;
+		}
+	}
+	return 0;
+}
+
+int flash_erase(flash_info_t * info, int s_first, int s_last)
+{
+	volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *addr2;
+	int flag, prot, sect, l_sect;
+	int i;
+
+	if ((s_first < 0) || (s_first > s_last)) {
+		if (info->flash_id == FLASH_UNKNOWN) {
+			printf("- missing\n");
+		} else {
+			printf("- no sectors to erase\n");
+		}
+		return 1;
+	}
+
+	if (info->flash_id == FLASH_UNKNOWN) {
+		printf("Can't erase unknown flash type - aborted\n");
+		return 1;
+	}
+
+	prot = 0;
+	for (sect = s_first; sect <= s_last; ++sect) {
+		if (info->protect[sect]) {
+			prot++;
+		}
+	}
+
+	if (prot) {
+		printf("- Warning: %d protected sectors will not be erased!\n",
+		       prot);
+	} else {
+		printf("\n");
+	}
+
+	l_sect = -1;
+
+	/* Disable interrupts which might cause a timeout here */
+	flag = disable_interrupts();
+
+	/* Start erase on unprotected sectors */
+	for (sect = s_first; sect <= s_last; sect++) {
+		if (info->protect[sect] == 0) {	/* not protected */
+			addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
+
+			if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+				addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00500050;	/* block erase */
+				for (i = 0; i < 50; i++)
+					udelay(1000);	/* wait 1 ms */
+			} else {
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080;
+				addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+				addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+				addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00300030;	/* sector erase */
+			}
+			l_sect = sect;
+			/*
+			 * Wait for each sector to complete, it's more
+			 * reliable.  According to AMD Spec, you must
+			 * issue all erase commands within a specified
+			 * timeout.  This has been seen to fail, especially
+			 * if printf()s are included (for debug)!!
+			 */
+			wait_for_DQ7(info, sect);
+		}
+	}
+
+	/* re-enable interrupts if necessary */
+	if (flag)
+		enable_interrupts();
+
+	/* wait at least 80us - let's wait 1 ms */
+	udelay(1000);
+
+	/* reset to read mode */
+	addr = (CFG_FLASH_WORD_SIZE *) info->start[0];
+	addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;	/* reset bank */
+
+	printf(" done\n");
+	return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	ulong cp, wp, data;
+	int i, l, rc;
+
+	wp = (addr & ~3);	/* get lower word aligned address */
+
+	/*
+	 * handle unaligned start bytes
+	 */
+	if ((l = addr - wp) != 0) {
+		data = 0;
+		for (i = 0, cp = wp; i < l; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *) cp);
+		}
+		for (; i < 4 && cnt > 0; ++i) {
+			data = (data << 8) | *src++;
+			--cnt;
+			++cp;
+		}
+		for (; cnt == 0 && i < 4; ++i, ++cp) {
+			data = (data << 8) | (*(uchar *) cp);
+		}
+
+		if ((rc = write_word(info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp += 4;
+	}
+
+	/*
+	 * handle word aligned part
+	 */
+	while (cnt >= 4) {
+		data = 0;
+		for (i = 0; i < 4; ++i) {
+			data = (data << 8) | *src++;
+		}
+		if ((rc = write_word(info, wp, data)) != 0) {
+			return (rc);
+		}
+		wp += 4;
+		cnt -= 4;
+	}
+
+	if (cnt == 0) {
+		return (0);
+	}
+
+	/*
+	 * handle unaligned tail bytes
+	 */
+	data = 0;
+	for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
+		data = (data << 8) | *src++;
+		--cnt;
+	}
+	for (; i < 4; ++i, ++cp) {
+		data = (data << 8) | (*(uchar *) cp);
+	}
+
+	return (write_word(info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word(flash_info_t * info, ulong dest, ulong data)
+{
+	volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
+	volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest;
+	volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data;
+	ulong start;
+	int i;
+
+	/* Check if Flash is (sufficiently) erased */
+	if ((*((vu_long *)dest) & data) != data) {
+		return (2);
+	}
+
+	for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) {
+		int flag;
+
+		/* Disable interrupts which might cause a timeout here */
+		flag = disable_interrupts();
+
+		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
+		addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
+		addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00A000A0;
+
+		dest2[i] = data2[i];
+
+		/* re-enable interrupts if necessary */
+		if (flag)
+			enable_interrupts();
+
+		/* data polling for D7 */
+		start = get_timer(0);
+		while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
+		       (data2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080)) {
+
+			if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+				return (1);
+			}
+		}
+	}
+
+	return (0);
+}
diff --git a/board/amcc/ebony/Makefile b/board/amcc/ebony/Makefile
new file mode 100644
index 0000000..4a3927b
--- /dev/null
+++ b/board/amcc/ebony/Makefile
@@ -0,0 +1,47 @@
+#
+# (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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o flash.o
+SOBJS	= init.o
+
+$(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 $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/amcc/ebony/config.mk b/board/amcc/ebony/config.mk
new file mode 100644
index 0000000..e5722dd
--- /dev/null
+++ b/board/amcc/ebony/config.mk
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# esd ADCIOP boards
+#
+
+#TEXT_BASE = 0xFFFE0000
+
+ifeq ($(ramsym),1)
+TEXT_BASE = 0x07FD0000
+else
+TEXT_BASE = 0xFFFC0000
+endif
+
+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/board/amcc/ebony/ebony.c b/board/amcc/ebony/ebony.c
new file mode 100644
index 0000000..f6bb837
--- /dev/null
+++ b/board/amcc/ebony/ebony.c
@@ -0,0 +1,297 @@
+/*
+ *  Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.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 <common.h>
+#include <asm/processor.h>
+#include <spd_sdram.h>
+
+#define BOOT_SMALL_FLASH	32	/* 00100000 */
+#define FLASH_ONBD_N		2	/* 00000010 */
+#define FLASH_SRAM_SEL		1	/* 00000001 */
+
+long int fixed_sdram(void);
+
+int board_early_init_f(void)
+{
+	uint reg;
+	unsigned char *fpga_base = (unsigned char *)CFG_FPGA_BASE;
+	unsigned char status;
+
+	/*--------------------------------------------------------------------
+	 * Setup the external bus controller/chip selects
+	 *-------------------------------------------------------------------*/
+	mtdcr(ebccfga, xbcfg);
+	reg = mfdcr(ebccfgd);
+	mtdcr(ebccfgd, reg | 0x04000000);	/* Set ATC */
+
+	mtebc(pb1ap, 0x02815480);	/* NVRAM/RTC */
+	mtebc(pb1cr, 0x48018000);	/* BA=0x480 1MB R/W 8-bit */
+	mtebc(pb7ap, 0x01015280);	/* FPGA registers */
+	mtebc(pb7cr, 0x48318000);	/* BA=0x483 1MB R/W 8-bit */
+
+	/* read FPGA_REG0  and set the bus controller */
+	status = *fpga_base;
+	if ((status & BOOT_SMALL_FLASH) && !(status & FLASH_ONBD_N)) {
+		mtebc(pb0ap, 0x9b015480);	/* FLASH/SRAM */
+		mtebc(pb0cr, 0xfff18000);	/* BAS=0xfff 1MB R/W 8-bit */
+		mtebc(pb2ap, 0x9b015480);	/* 4MB FLASH */
+		mtebc(pb2cr, 0xff858000);	/* BAS=0xff8 4MB R/W 8-bit */
+	} else {
+		mtebc(pb0ap, 0x9b015480);	/* 4MB FLASH */
+		mtebc(pb0cr, 0xffc58000);	/* BAS=0xffc 4MB R/W 8-bit */
+
+		/* set CS2 if FLASH_ONBD_N == 0 */
+		if (!(status & FLASH_ONBD_N)) {
+			mtebc(pb2ap, 0x9b015480);	/* FLASH/SRAM */
+			mtebc(pb2cr, 0xff818000);	/* BAS=0xff8 4MB R/W 8-bit */
+		}
+	}
+
+	/*--------------------------------------------------------------------
+	 * Setup the interrupt controller polarities, triggers, etc.
+	 *-------------------------------------------------------------------*/
+	mtdcr(uic0sr, 0xffffffff);	/* clear all */
+	mtdcr(uic0er, 0x00000000);	/* disable all */
+	mtdcr(uic0cr, 0x00000009);	/* SMI & 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 */
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	sys_info_t sysinfo;
+	unsigned char *s = getenv("serial#");
+
+	get_sys_info(&sysinfo);
+
+	printf("Board: Ebony - AMCC PPC440GP Evaluation Board");
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	printf("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz / 1000000);
+	printf("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
+	printf("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
+	printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
+	printf("\tEPB: %lu MHz\n", sysinfo.freqEPB / 1000000);
+	return (0);
+}
+
+long int initdram(int board_type)
+{
+	long dram_size = 0;
+
+#if defined(CONFIG_SPD_EEPROM)
+	dram_size = spd_sdram(0);
+#else
+	dram_size = fixed_sdram();
+#endif
+	return dram_size;
+}
+
+#if defined(CFG_DRAM_TEST)
+int testdram(void)
+{
+	uint *pstart = (uint *) 0x00000000;
+	uint *pend = (uint *) 0x08000000;
+	uint *p;
+
+	for (p = pstart; p < pend; p++)
+		*p = 0xaaaaaaaa;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0xaaaaaaaa) {
+			printf("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+
+	for (p = pstart; p < pend; p++)
+		*p = 0x55555555;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0x55555555) {
+			printf("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+	return 0;
+}
+#endif
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*************************************************************************
+ *  fixed sdram init -- doesn't use serial presence detect.
+ *
+ *  Assumes:    128 MB, non-ECC, non-registered
+ *              PLB @ 133 MHz
+ *
+ ************************************************************************/
+long int fixed_sdram(void)
+{
+	uint reg;
+
+	/*--------------------------------------------------------------------
+	 * Setup some default
+	 *------------------------------------------------------------------*/
+	mtsdram(mem_uabba, 0x00000000);	/* ubba=0 (default)             */
+	mtsdram(mem_slio, 0x00000000);	/* rdre=0 wrre=0 rarw=0         */
+	mtsdram(mem_devopt, 0x00000000);	/* dll=0 ds=0 (normal)          */
+	mtsdram(mem_wddctr, 0x00000000);	/* wrcp=0 dcd=0                 */
+	mtsdram(mem_clktr, 0x40000000);	/* clkp=1 (90 deg wr) dcdt=0    */
+
+	/*--------------------------------------------------------------------
+	 * Setup for board-specific specific mem
+	 *------------------------------------------------------------------*/
+	/*
+	 * Following for CAS Latency = 2.5 @ 133 MHz PLB
+	 */
+	mtsdram(mem_b0cr, 0x000a4001);	/* SDBA=0x000 128MB, Mode 3, enabled */
+	mtsdram(mem_tr0, 0x410a4012);	/* WR=2  WD=1 CL=2.5 PA=3 CP=4 LD=2 */
+	/* RA=10 RD=3                       */
+	mtsdram(mem_tr1, 0x8080082f);	/* SS=T2 SL=STAGE 3 CD=1 CT=0x02f   */
+	mtsdram(mem_rtr, 0x08200000);	/* Rate 15.625 ns @ 133 MHz PLB     */
+	mtsdram(mem_cfg1, 0x00000000);	/* Self-refresh exit, disable PM    */
+	udelay(400);		/* Delay 200 usecs (min)            */
+
+	/*--------------------------------------------------------------------
+	 * Enable the controller, then wait for DCEN to complete
+	 *------------------------------------------------------------------*/
+	mtsdram(mem_cfg0, 0x86000000);	/* DCEN=1, PMUD=1, 64-bit           */
+	for (;;) {
+		mfsdram(mem_mcsts, reg);
+		if (reg & 0x80000000)
+			break;
+	}
+
+	return (128 * 1024 * 1024);	/* 128 MB                           */
+}
+#endif				/* !defined(CONFIG_SPD_EEPROM) */
+
+/*************************************************************************
+ *  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) && defined(CFG_PCI_PRE_INIT)
+int pci_pre_init(struct pci_controller *hose)
+{
+	unsigned long strap;
+
+	/*--------------------------------------------------------------------------+
+     *	The ebony board is always configured as the host & requires the
+     *	PCI arbiter to be enabled.
+	 *--------------------------------------------------------------------------*/
+	strap = mfdcr(cpc0_strp1);
+	if ((strap & 0x00100000) == 0) {
+		printf("PCI: CPC0_STRP1[PAE] not set.\n");
+		return 0;
+	}
+
+	return 1;
+}
+#endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
+
+/*************************************************************************
+ *  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(CFG_PCI_TARGET_INIT)
+void pci_target_init(struct pci_controller *hose)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/*--------------------------------------------------------------------------+
+	 * Disable everything
+	 *--------------------------------------------------------------------------*/
+	out32r(PCIX0_PIM0SA, 0);	/* disable */
+	out32r(PCIX0_PIM1SA, 0);	/* disable */
+	out32r(PCIX0_PIM2SA, 0);	/* disable */
+	out32r(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.
+	 *--------------------------------------------------------------------------*/
+	out32r(PCIX0_PIM0LAL, CFG_SDRAM_BASE);
+	out32r(PCIX0_PIM0LAH, 0);
+	out32r(PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1);
+
+	out32r(PCIX0_BAR0, 0);
+
+	/*--------------------------------------------------------------------------+
+	 * Program the board's subsystem id/vendor id
+	 *--------------------------------------------------------------------------*/
+	out16r(PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID);
+	out16r(PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID);
+
+	out16r(PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY);
+}
+#endif				/* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_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)
+{
+	/* The ebony board is always configured as host. */
+	return (1);
+}
+#endif				/* defined(CONFIG_PCI) */
diff --git a/board/amcc/ebony/flash.c b/board/amcc/ebony/flash.c
new file mode 100644
index 0000000..e8fbbc4
--- /dev/null
+++ b/board/amcc/ebony/flash.c
@@ -0,0 +1,140 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
+ * Add support for Am29F016D and dynamic switch setting.
+ *
+ * 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
+ */
+
+/*
+ * Modified 4/5/2001
+ * Wait for completion of each sector erase command issued
+ * 4/5/2001
+ * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+
+#undef DEBUG
+#ifdef DEBUG
+#define DEBUGF(x...) printf(x)
+#else
+#define DEBUGF(x...)
+#endif				/* DEBUG */
+
+#define     BOOT_SMALL_FLASH        32	/* 00100000 */
+#define     FLASH_ONBD_N            2	/* 00000010 */
+#define     FLASH_SRAM_SEL          1	/* 00000001 */
+
+#define     BOOT_SMALL_FLASH_VAL    4
+#define     FLASH_ONBD_N_VAL        2
+#define     FLASH_SRAM_SEL_VAL      1
+
+static unsigned long flash_addr_table[8][CFG_MAX_FLASH_BANKS] = {
+	{0xffc00000, 0xffe00000, 0xff880000},	/* 0:000: configuraton 3 */
+	{0xffc00000, 0xffe00000, 0xff800000},	/* 1:001: configuraton 4 */
+	{0xffc00000, 0xffe00000, 0x00000000},	/* 2:010: configuraton 7 */
+	{0xffc00000, 0xffe00000, 0x00000000},	/* 3:011: configuraton 8 */
+	{0xff800000, 0xffa00000, 0xfff80000},	/* 4:100: configuraton 1 */
+	{0xff800000, 0xffa00000, 0xfff00000},	/* 5:101: configuraton 2 */
+	{0xffc00000, 0xffe00000, 0x00000000},	/* 6:110: configuraton 5 */
+	{0xffc00000, 0xffe00000, 0x00000000}	/* 7:111: configuraton 6 */
+};
+
+/*
+ * include common flash code (for amcc boards)
+ */
+#include "../common/flash.c"
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(vu_long * addr, flash_info_t * info);
+
+unsigned long flash_init(void)
+{
+	unsigned long total_b = 0;
+	unsigned long size_b[CFG_MAX_FLASH_BANKS];
+	unsigned char *fpga_base = (unsigned char *)CFG_FPGA_BASE;
+	unsigned char switch_status;
+	unsigned short index = 0;
+	int i;
+
+	/* read FPGA base register FPGA_REG0 */
+	switch_status = *fpga_base;
+
+	/* check the bitmap of switch status */
+	if (switch_status & BOOT_SMALL_FLASH) {
+		index += BOOT_SMALL_FLASH_VAL;
+	}
+	if (switch_status & FLASH_ONBD_N) {
+		index += FLASH_ONBD_N_VAL;
+	}
+	if (switch_status & FLASH_SRAM_SEL) {
+		index += FLASH_SRAM_SEL_VAL;
+	}
+
+	DEBUGF("\n");
+	DEBUGF("FLASH: Index: %d\n", index);
+
+	/* Init: no FLASHes known */
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+		flash_info[i].sector_count = -1;
+		flash_info[i].size = 0;
+
+		/* check whether the address is 0 */
+		if (flash_addr_table[index][i] == 0) {
+			continue;
+		}
+
+		/* call flash_get_size() to initialize sector address */
+		size_b[i] = flash_get_size((vu_long *)
+					   flash_addr_table[index][i],
+					   &flash_info[i]);
+		flash_info[i].size = size_b[i];
+		if (flash_info[i].flash_id == FLASH_UNKNOWN) {
+			printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
+			       i, size_b[i], size_b[i] << 20);
+			flash_info[i].sector_count = -1;
+			flash_info[i].size = 0;
+		}
+
+		/* Monitor protection ON by default */
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE,
+				    CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
+				    &flash_info[2]);
+#ifdef CFG_ENV_IS_IN_FLASH
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
+				    CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[2]);
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
+				    CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[2]);
+#endif
+
+		total_b += flash_info[i].size;
+	}
+
+	return total_b;
+}
diff --git a/board/amcc/ebony/init.S b/board/amcc/ebony/init.S
new file mode 100644
index 0000000..cc8f8b4
--- /dev/null
+++ b/board/amcc/ebony/init.S
@@ -0,0 +1,96 @@
+/*
+*  Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.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 <ppc_asm.tmpl>
+#include <config.h>
+
+/* General */
+#define TLB_VALID   0x00000200
+
+/* Supported page sizes */
+
+#define SZ_1K	    0x00000000
+#define SZ_4K	    0x00000010
+#define SZ_16K	    0x00000020
+#define SZ_64K	    0x00000030
+#define SZ_256K	    0x00000040
+#define SZ_1M	    0x00000050
+#define SZ_16M	    0x00000070
+#define SZ_256M	    0x00000090
+
+/* Storage attributes */
+#define SA_W	    0x00000800	    /* Write-through */
+#define SA_I	    0x00000400	    /* Caching inhibited */
+#define SA_M	    0x00000200	    /* Memory coherence */
+#define SA_G	    0x00000100	    /* Guarded */
+#define SA_E	    0x00000080	    /* Endian */
+
+/* Access control */
+#define AC_X	    0x00000024	    /* Execute */
+#define AC_W	    0x00000012	    /* Write */
+#define AC_R	    0x00000009	    /* Read */
+
+/* Some handy macros */
+
+#define EPN(e)		((e) & 0xfffffc00)
+#define TLB0(epn,sz)	( (EPN((epn)) | (sz) | TLB_VALID ) )
+#define TLB1(rpn,erpn)	( ((rpn)&0xfffffc00) | (erpn) )
+#define TLB2(a)		( (a)&0x00000fbf )
+
+#define tlbtab_start\
+	mflr    r1  ;\
+	bl 0f	    ;
+
+#define tlbtab_end\
+	.long 0, 0, 0	;   \
+0:	mflr    r0	;   \
+	mtlr    r1	;   \
+	blr		;
+
+#define tlbentry(epn,sz,rpn,erpn,attr)\
+	.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
+
+
+/**************************************************************************
+ * 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
+    tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
+    tlbentry( CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I)
+    tlbentry( CFG_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_R|AC_W|AC_X )
+    tlbentry( CFG_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_R|AC_W|AC_X )
+    tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+    tlbentry( CFG_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CFG_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_R|AC_W|SA_G|SA_I )
+    tlbtab_end
diff --git a/board/amcc/ebony/u-boot.lds b/board/amcc/ebony/u-boot.lds
new file mode 100644
index 0000000..0ec3fad
--- /dev/null
+++ b/board/amcc/ebony/u-boot.lds
@@ -0,0 +1,155 @@
+/*
+ * (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)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* 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/amcc/ebony/init.o	(.text)
+    cpu/ppc4xx/kgdb.o	(.text)
+    cpu/ppc4xx/traps.o	(.text)
+    cpu/ppc4xx/interrupts.o	(.text)
+    cpu/ppc4xx/serial.o	(.text)
+    cpu/ppc4xx/cpu_init.o	(.text)
+    cpu/ppc4xx/speed.o	(.text)
+    cpu/ppc4xx/405gp_enet.o	(.text)
+    common/dlmalloc.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_ppc/extable.o	(.text)
+    lib_generic/zlib.o		(.text)
+
+/*    . = env_offset;*/
+/*    common/environment.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;
+
+  .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) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/board/amcc/ocotea/Makefile b/board/amcc/ocotea/Makefile
new file mode 100644
index 0000000..af223d2
--- /dev/null
+++ b/board/amcc/ocotea/Makefile
@@ -0,0 +1,47 @@
+#
+# (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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o flash.o
+SOBJS	= init.o
+
+$(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 $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/amcc/ocotea/config.mk b/board/amcc/ocotea/config.mk
new file mode 100644
index 0000000..5543a4e
--- /dev/null
+++ b/board/amcc/ocotea/config.mk
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# IBM 440GX Reference Platform (Ocotea) board
+#
+
+#TEXT_BASE = 0xFFFE0000
+
+ifeq ($(ramsym),1)
+TEXT_BASE = 0x07FD0000
+else
+TEXT_BASE = 0xFFFC0000
+endif
+
+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/board/amcc/ocotea/flash.c b/board/amcc/ocotea/flash.c
new file mode 100644
index 0000000..5614e20
--- /dev/null
+++ b/board/amcc/ocotea/flash.c
@@ -0,0 +1,150 @@
+/*
+ * (C) Copyright 2004-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
+ * Add support for Am29F016D and dynamic switch setting.
+ *
+ * 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
+ */
+
+/*
+ * Modified 4/5/2001
+ * Wait for completion of each sector erase command issued
+ * 4/5/2001
+ * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DEBUGF(x...) printf(x)
+#else
+#define DEBUGF(x...)
+#endif				/* DEBUG */
+
+#define     BOOT_SMALL_FLASH        0x40	/* 01000000 */
+#define     FLASH_ONBD_N            2	/* 00000010 */
+#define     FLASH_SRAM_SEL          1	/* 00000001 */
+#define     FLASH_ONBD_N            2	/* 00000010 */
+#define     FLASH_SRAM_SEL          1	/* 00000001 */
+
+#define     BOOT_SMALL_FLASH_VAL    4
+#define     FLASH_ONBD_N_VAL        2
+#define     FLASH_SRAM_SEL_VAL      1
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips        */
+
+static unsigned long flash_addr_table[8][CFG_MAX_FLASH_BANKS] = {
+	{0xFF800000, 0xFF880000, 0xFFC00000},	/* 0:000: configuraton 4 */
+	{0xFF900000, 0xFF980000, 0xFFC00000},	/* 1:001: configuraton 3 */
+	{0x00000000, 0x00000000, 0x00000000},	/* 2:010: configuraton 8 */
+	{0x00000000, 0x00000000, 0x00000000},	/* 3:011: configuraton 7 */
+	{0xFFE00000, 0xFFF00000, 0xFF800000},	/* 4:100: configuraton 2 */
+	{0xFFF00000, 0xFFF80000, 0xFF800000},	/* 5:101: configuraton 1 */
+	{0x00000000, 0x00000000, 0x00000000},	/* 6:110: configuraton 6 */
+	{0x00000000, 0x00000000, 0x00000000}	/* 7:111: configuraton 5 */
+};
+
+/*
+ * include common flash code (for amcc boards)
+ */
+#include "../common/flash.c"
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(vu_long * addr, flash_info_t * info);
+static int write_word(flash_info_t * info, ulong dest, ulong data);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init(void)
+{
+	unsigned long total_b = 0;
+	unsigned long size_b[CFG_MAX_FLASH_BANKS];
+	unsigned char *fpga_base = (unsigned char *)CFG_FPGA_BASE;
+	unsigned char switch_status;
+	unsigned short index = 0;
+	int i;
+
+	/* read FPGA base register FPGA_REG0 */
+	switch_status = *fpga_base;
+
+	/* check the bitmap of switch status */
+	if (switch_status & BOOT_SMALL_FLASH) {
+		index += BOOT_SMALL_FLASH_VAL;
+	}
+	if (switch_status & FLASH_ONBD_N) {
+		index += FLASH_ONBD_N_VAL;
+	}
+	if (switch_status & FLASH_SRAM_SEL) {
+		index += FLASH_SRAM_SEL_VAL;
+	}
+
+	DEBUGF("\n");
+	DEBUGF("FLASH: Index: %d\n", index);
+
+	/* Init: no FLASHes known */
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+		flash_info[i].sector_count = -1;
+		flash_info[i].size = 0;
+
+		/* check whether the address is 0 */
+		if (flash_addr_table[index][i] == 0) {
+			continue;
+		}
+
+		/* call flash_get_size() to initialize sector address */
+		size_b[i] =
+		    flash_get_size((vu_long *) flash_addr_table[index][i],
+				   &flash_info[i]);
+		flash_info[i].size = size_b[i];
+		if (flash_info[i].flash_id == FLASH_UNKNOWN) {
+			printf
+			    ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
+			     i, size_b[i], size_b[i] << 20);
+			flash_info[i].sector_count = -1;
+			flash_info[i].size = 0;
+		}
+
+		/* Monitor protection ON by default */
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE,
+				    CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
+				    &flash_info[i]);
+#ifdef CFG_ENV_IS_IN_FLASH
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
+				    CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[i]);
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
+				    CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[i]);
+#endif
+
+		total_b += flash_info[i].size;
+	}
+
+	return total_b;
+}
diff --git a/board/amcc/ocotea/init.S b/board/amcc/ocotea/init.S
new file mode 100644
index 0000000..e33427a
--- /dev/null
+++ b/board/amcc/ocotea/init.S
@@ -0,0 +1,97 @@
+/*
+*  Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.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 <ppc_asm.tmpl>
+#include <config.h>
+
+/* General */
+#define TLB_VALID   0x00000200
+
+/* Supported page sizes */
+
+#define SZ_1K	    0x00000000
+#define SZ_4K	    0x00000010
+#define SZ_16K	    0x00000020
+#define SZ_64K	    0x00000030
+#define SZ_256K    0x00000040
+#define SZ_1M	    0x00000050
+#define SZ_16M	    0x00000070
+#define SZ_256M    0x00000090
+
+/* Storage attributes */
+#define SA_W	    0x00000800	    /* Write-through */
+#define SA_I	    0x00000400	    /* Caching inhibited */
+#define SA_M	    0x00000200	    /* Memory coherence */
+#define SA_G	    0x00000100	    /* Guarded */
+#define SA_E	    0x00000080	    /* Endian */
+
+/* Access control */
+#define AC_X	    0x00000024	    /* Execute */
+#define AC_W	    0x00000012	    /* Write */
+#define AC_R	    0x00000009	    /* Read */
+
+/* Some handy macros */
+
+#define EPN(e)		((e) & 0xfffffc00)
+#define TLB0(epn,sz)	( (EPN((epn)) | (sz) | TLB_VALID ) )
+#define TLB1(rpn,erpn)	( ((rpn)&0xfffffc00) | (erpn) )
+#define TLB2(a)	( (a)&0x00000fbf )
+
+#define tlbtab_start\
+	mflr    r1  ;\
+	bl 0f	    ;
+
+#define tlbtab_end\
+	.long 0, 0, 0	;   \
+0:	mflr    r0	;   \
+	mtlr    r1	;   \
+	blr		;
+
+#define tlbentry(epn,sz,rpn,erpn,attr)\
+	.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
+
+
+/**************************************************************************
+ * 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
+    tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
+    tlbentry( CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I)
+    tlbentry( CFG_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_R|AC_W|AC_X )
+    tlbentry( CFG_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_R|AC_W|AC_X )
+    tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+    tlbentry( CFG_SDRAM_BASE+0x10000000, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+    tlbentry( CFG_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I )
+    tlbentry( CFG_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_R|AC_W|SA_G|SA_I )
+    tlbtab_end
diff --git a/board/amcc/ocotea/ocotea.c b/board/amcc/ocotea/ocotea.c
new file mode 100644
index 0000000..5f436ea
--- /dev/null
+++ b/board/amcc/ocotea/ocotea.c
@@ -0,0 +1,527 @@
+/*
+ *  Copyright (C) 2004 PaulReynolds@lhsolutions.com
+ *
+ * (C) Copyright 2005
+ * 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 "ocotea.h"
+#include <asm/processor.h>
+#include <spd_sdram.h>
+#include <440gx_enet.h>
+
+#define BOOT_SMALL_FLASH	32	/* 00100000 */
+#define FLASH_ONBD_N		2	/* 00000010 */
+#define FLASH_SRAM_SEL		1	/* 00000001 */
+
+long int fixed_sdram (void);
+void fpga_init (void);
+
+int board_early_init_f (void)
+{
+	unsigned long mfr;
+	unsigned char *fpga_base = (unsigned char *) CFG_FPGA_BASE;
+	unsigned char switch_status;
+	unsigned long cs0_base;
+	unsigned long cs0_size;
+	unsigned long cs0_twt;
+	unsigned long cs2_base;
+	unsigned long cs2_size;
+	unsigned long cs2_twt;
+
+	/*-------------------------------------------------------------------------+
+	  | Initialize EBC CONFIG
+	  +-------------------------------------------------------------------------*/
+	mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
+	      EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK |
+	      EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
+	      EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_NONDEFAULT |
+	      EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);
+
+	/*-------------------------------------------------------------------------+
+	  | FPGA. Initialize bank 7 with default values.
+	  +-------------------------------------------------------------------------*/
+	mtebc(pb7ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)|
+	      EBC_BXAP_BCE_DISABLE|
+	      EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
+	      EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
+	      EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
+	      EBC_BXAP_BEM_WRITEONLY|
+	      EBC_BXAP_PEN_DISABLED);
+	mtebc(pb7cr, EBC_BXCR_BAS_ENCODE(0x48300000)|
+	      EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
+
+	/* read FPGA base register FPGA_REG0 */
+	switch_status = *fpga_base;
+
+	if (switch_status & 0x40) {
+		cs0_base = 0xFFE00000;
+		cs0_size = EBC_BXCR_BS_2MB;
+		cs0_twt = 8;
+		cs2_base = 0xFF800000;
+		cs2_size = EBC_BXCR_BS_4MB;
+		cs2_twt = 10;
+	} else {
+		cs0_base = 0xFFC00000;
+		cs0_size = EBC_BXCR_BS_4MB;
+		cs0_twt = 10;
+		cs2_base = 0xFF800000;
+		cs2_size = EBC_BXCR_BS_2MB;
+		cs2_twt = 8;
+	}
+
+	/*-------------------------------------------------------------------------+
+	  | 1 MB FLASH / 1 MB SRAM. Initialize bank 0 with default values.
+	  +-------------------------------------------------------------------------*/
+	mtebc(pb0ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs0_twt)|
+	      EBC_BXAP_BCE_DISABLE|
+	      EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
+	      EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
+	      EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
+	      EBC_BXAP_BEM_WRITEONLY|
+	      EBC_BXAP_PEN_DISABLED);
+	mtebc(pb0cr, EBC_BXCR_BAS_ENCODE(cs0_base)|
+	      cs0_size|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
+
+	/*-------------------------------------------------------------------------+
+	  | 8KB NVRAM/RTC. Initialize bank 1 with default values.
+	  +-------------------------------------------------------------------------*/
+	mtebc(pb1ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(10)|
+	      EBC_BXAP_BCE_DISABLE|
+	      EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
+	      EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
+	      EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
+	      EBC_BXAP_BEM_WRITEONLY|
+	      EBC_BXAP_PEN_DISABLED);
+	mtebc(pb1cr, EBC_BXCR_BAS_ENCODE(0x48000000)|
+	      EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
+
+	/*-------------------------------------------------------------------------+
+	  | 4 MB FLASH. Initialize bank 2 with default values.
+	  +-------------------------------------------------------------------------*/
+	mtebc(pb2ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs2_twt)|
+	      EBC_BXAP_BCE_DISABLE|
+	      EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
+	      EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
+	      EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
+	      EBC_BXAP_BEM_WRITEONLY|
+	      EBC_BXAP_PEN_DISABLED);
+	mtebc(pb2cr, EBC_BXCR_BAS_ENCODE(cs2_base)|
+	      cs2_size|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
+
+	/*-------------------------------------------------------------------------+
+	  | FPGA. Initialize bank 7 with default values.
+	  +-------------------------------------------------------------------------*/
+	mtebc(pb7ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)|
+	      EBC_BXAP_BCE_DISABLE|
+	      EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
+	      EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
+	      EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
+	      EBC_BXAP_BEM_WRITEONLY|
+	      EBC_BXAP_PEN_DISABLED);
+	mtebc(pb7cr, EBC_BXCR_BAS_ENCODE(0x48300000)|
+	      EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
+
+	/*--------------------------------------------------------------------
+	 * Setup the interrupt controller polarities, triggers, etc.
+	 *-------------------------------------------------------------------*/
+	mtdcr (uic0sr, 0xffffffff);	/* clear all */
+	mtdcr (uic0er, 0x00000000);	/* disable all */
+	mtdcr (uic0cr, 0x00000009);	/* SMI & 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 */
+
+	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, 0x00ff8c0f);	/* per ref-board manual */
+	mtdcr (uic2vr, 0x00000001);	/* int31 highest, base=0x000 */
+	mtdcr (uic2sr, 0xffffffff);	/* clear all */
+
+	mtdcr (uicb0sr, 0xfc000000); /* clear all */
+	mtdcr (uicb0er, 0x00000000); /* disable all */
+	mtdcr (uicb0cr, 0x00000000); /* all non-critical */
+	mtdcr (uicb0pr, 0xfc000000); /* */
+	mtdcr (uicb0tr, 0x00000000); /* */
+	mtdcr (uicb0vr, 0x00000001); /* */
+	mfsdr (sdr_mfr, mfr);
+	mfr &= ~SDR0_MFR_ECS_MASK;
+/*	mtsdr(sdr_mfr, mfr); */
+	fpga_init();
+
+	return 0;
+}
+
+
+int checkboard (void)
+{
+	sys_info_t sysinfo;
+	unsigned char *s = getenv ("serial#");
+
+	get_sys_info (&sysinfo);
+
+	printf ("Board: Ocotea - AMCC PPC440GX Evaluation Board");
+	if (s != NULL) {
+		puts (", serial# ");
+		puts (s);
+	}
+	putc ('\n');
+
+	printf ("\tVCO: %lu MHz\n", sysinfo.freqVCOMhz / 1000000);
+	printf ("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
+	printf ("\tPLB: %lu MHz\n", sysinfo.freqPLB / 1000000);
+	printf ("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000);
+	printf ("\tEPB: %lu MHz\n", sysinfo.freqEPB / 1000000);
+	return (0);
+}
+
+
+long int initdram (int board_type)
+{
+	long dram_size = 0;
+
+#if defined(CONFIG_SPD_EEPROM)
+	dram_size = spd_sdram (0);
+#else
+	dram_size = fixed_sdram ();
+#endif
+	return dram_size;
+}
+
+
+#if defined(CFG_DRAM_TEST)
+int testdram (void)
+{
+	uint *pstart = (uint *) 0x00000000;
+	uint *pend = (uint *) 0x08000000;
+	uint *p;
+
+	for (p = pstart; p < pend; p++)
+		*p = 0xaaaaaaaa;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0xaaaaaaaa) {
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+
+	for (p = pstart; p < pend; p++)
+		*p = 0x55555555;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0x55555555) {
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+	return 0;
+}
+#endif
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*************************************************************************
+ *  fixed sdram init -- doesn't use serial presence detect.
+ *
+ *  Assumes:    128 MB, non-ECC, non-registered
+ *              PLB @ 133 MHz
+ *
+ ************************************************************************/
+long int fixed_sdram (void)
+{
+	uint reg;
+
+	/*--------------------------------------------------------------------
+	 * Setup some default
+	 *------------------------------------------------------------------*/
+	mtsdram (mem_uabba, 0x00000000);	/* ubba=0 (default)             */
+	mtsdram (mem_slio, 0x00000000);		/* rdre=0 wrre=0 rarw=0         */
+	mtsdram (mem_devopt, 0x00000000);	/* dll=0 ds=0 (normal)          */
+	mtsdram (mem_wddctr, 0x00000000);	/* wrcp=0 dcd=0                 */
+	mtsdram (mem_clktr, 0x40000000);	/* clkp=1 (90 deg wr) dcdt=0    */
+
+	/*--------------------------------------------------------------------
+	 * Setup for board-specific specific mem
+	 *------------------------------------------------------------------*/
+	/*
+	 * Following for CAS Latency = 2.5 @ 133 MHz PLB
+	 */
+	mtsdram (mem_b0cr, 0x000a4001);	/* SDBA=0x000 128MB, Mode 3, enabled */
+	mtsdram (mem_tr0, 0x410a4012);	/* WR=2  WD=1 CL=2.5 PA=3 CP=4 LD=2 */
+	/* RA=10 RD=3                       */
+	mtsdram (mem_tr1, 0x8080082f);	/* SS=T2 SL=STAGE 3 CD=1 CT=0x02f   */
+	mtsdram (mem_rtr, 0x08200000);	/* Rate 15.625 ns @ 133 MHz PLB     */
+	mtsdram (mem_cfg1, 0x00000000);	/* Self-refresh exit, disable PM    */
+	udelay (400);			/* Delay 200 usecs (min)            */
+
+	/*--------------------------------------------------------------------
+	 * Enable the controller, then wait for DCEN to complete
+	 *------------------------------------------------------------------*/
+	mtsdram (mem_cfg0, 0x86000000);	/* DCEN=1, PMUD=1, 64-bit           */
+	for (;;) {
+		mfsdram (mem_mcsts, reg);
+		if (reg & 0x80000000)
+			break;
+	}
+
+	return (128 * 1024 * 1024);	/* 128 MB                           */
+}
+#endif	/* !defined(CONFIG_SPD_EEPROM) */
+
+
+/*************************************************************************
+ *  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) && defined(CFG_PCI_PRE_INIT)
+int pci_pre_init(struct pci_controller * hose )
+{
+	unsigned long strap;
+
+	/*--------------------------------------------------------------------------+
+	 *	The ocotea board is always configured as the host & requires the
+	 *	PCI arbiter to be enabled.
+	 *--------------------------------------------------------------------------*/
+	mfsdr(sdr_sdstp1, strap);
+	if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
+		printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
+		return 0;
+	}
+
+	return 1;
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
+
+/*************************************************************************
+ *  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(CFG_PCI_TARGET_INIT)
+void pci_target_init(struct pci_controller * hose )
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/*--------------------------------------------------------------------------+
+	 * Disable everything
+	 *--------------------------------------------------------------------------*/
+	out32r( PCIX0_PIM0SA, 0 ); /* disable */
+	out32r( PCIX0_PIM1SA, 0 ); /* disable */
+	out32r( PCIX0_PIM2SA, 0 ); /* disable */
+	out32r( 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.
+	 *--------------------------------------------------------------------------*/
+	out32r( PCIX0_PIM0LAL, CFG_SDRAM_BASE );
+	out32r( PCIX0_PIM0LAH, 0 );
+	out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 );
+
+	out32r( PCIX0_BAR0, 0 );
+
+	/*--------------------------------------------------------------------------+
+	 * Program the board's subsystem id/vendor id
+	 *--------------------------------------------------------------------------*/
+	out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID );
+	out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID );
+
+	out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY );
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_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)
+{
+    /* The ocotea board is always configured as host. */
+    return(1);
+}
+#endif /* defined(CONFIG_PCI) */
+
+
+void fpga_init(void)
+{
+	unsigned long group;
+	unsigned long sdr0_pfc0;
+	unsigned long sdr0_pfc1;
+	unsigned long sdr0_cust0;
+	unsigned long pvr;
+
+	mfsdr (sdr_pfc0, sdr0_pfc0);
+	mfsdr (sdr_pfc1, sdr0_pfc1);
+	group = SDR0_PFC1_EPS_DECODE(sdr0_pfc1);
+	pvr = get_pvr ();
+
+	sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_GEIE_MASK) | SDR0_PFC0_GEIE_TRE;
+	if ( ((pvr == PVR_440GX_RA) || (pvr == PVR_440GX_RB)) && ((group == 4) || (group == 5))) {
+		sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_TRE_MASK) | SDR0_PFC0_TRE_DISABLE;
+		sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_EMS;
+		out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) |
+		     FPGA_REG2_EXT_INTFACE_ENABLE);
+		mtsdr (sdr_pfc0, sdr0_pfc0);
+		mtsdr (sdr_pfc1, sdr0_pfc1);
+	} else {
+		sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_TRE_MASK) | SDR0_PFC0_TRE_ENABLE;
+		switch (group)
+		{
+		case 0:
+		case 1:
+		case 2:
+			/* CPU trace A */
+			out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) |
+			     FPGA_REG2_EXT_INTFACE_ENABLE);
+			sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_EMS;
+			mtsdr (sdr_pfc0, sdr0_pfc0);
+			mtsdr (sdr_pfc1, sdr0_pfc1);
+			break;
+		case 3:
+		case 4:
+		case 5:
+		case 6:
+			/* CPU trace B - Over EBMI */
+			sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_CPUTRACE;
+			mtsdr (sdr_pfc0, sdr0_pfc0);
+			mtsdr (sdr_pfc1, sdr0_pfc1);
+			out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) |
+			     FPGA_REG2_EXT_INTFACE_DISABLE);
+			break;
+		}
+	}
+
+	/* Initialize the ethernet specific functions in the fpga */
+	mfsdr(sdr_pfc1, sdr0_pfc1);
+	mfsdr(sdr_cust0, sdr0_cust0);
+	if ( (SDR0_PFC1_EPS_DECODE(sdr0_pfc1) == 4) &&
+	    ((SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_GMII) ||
+	     (SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_TBI)))
+	{
+		if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER1)
+		{
+			out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK1) |
+			     FPGA_REG3_ENET_GROUP7);
+		}
+		else
+		{
+			if (SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_GMII)
+			{
+				out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK2) |
+				     FPGA_REG3_ENET_GROUP7);
+			}
+			else
+			{
+				out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK2) |
+				     FPGA_REG3_ENET_GROUP8);
+			}
+		}
+	}
+	else
+	{
+		if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER1)
+		{
+			out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK1) |
+			     FPGA_REG3_ENET_ENCODE1(SDR0_PFC1_EPS_DECODE(sdr0_pfc1)));
+		}
+		else
+		{
+			out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK2) |
+			     FPGA_REG3_ENET_ENCODE2(SDR0_PFC1_EPS_DECODE(sdr0_pfc1)));
+		}
+	}
+	out8(FPGA_REG4, FPGA_REG4_GPHY_MODE10 |
+	     FPGA_REG4_GPHY_MODE100 | FPGA_REG4_GPHY_MODE1000 |
+	     FPGA_REG4_GPHY_FRC_DPLX | FPGA_REG4_CONNECT_PHYS);
+
+	/* reset the gigabyte phy if necessary */
+	if (SDR0_PFC1_EPS_DECODE(sdr0_pfc1) >= 3)
+	{
+		if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER1)
+		{
+			out8(FPGA_REG3, in8(FPGA_REG3) & ~FPGA_REG3_GIGABIT_RESET_DISABLE);
+			udelay(10000);
+			out8(FPGA_REG3, in8(FPGA_REG3) | FPGA_REG3_GIGABIT_RESET_DISABLE);
+		}
+		else
+		{
+			out8(FPGA_REG2, in8(FPGA_REG2) & ~FPGA_REG2_GIGABIT_RESET_DISABLE);
+			udelay(10000);
+			out8(FPGA_REG2, in8(FPGA_REG2) | FPGA_REG2_GIGABIT_RESET_DISABLE);
+		}
+	}
+
+	/* Turn off the LED's */
+	out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_STAT_MASK) |
+	     FPGA_REG3_STAT_LED8_DISAB | FPGA_REG3_STAT_LED4_DISAB |
+	     FPGA_REG3_STAT_LED2_DISAB | FPGA_REG3_STAT_LED1_DISAB);
+
+	return;
+}
+
+#ifdef CONFIG_POST
+/*
+ * Returns 1 if keys pressed to start the power-on long-running tests
+ * Called from board_init_f().
+ */
+int post_hotkeys_pressed(void)
+{
+
+	return (ctrlc());
+}
+#endif
diff --git a/board/amcc/ocotea/ocotea.h b/board/amcc/ocotea/ocotea.h
new file mode 100644
index 0000000..41bd450
--- /dev/null
+++ b/board/amcc/ocotea/ocotea.h
@@ -0,0 +1,140 @@
+/*
+ * (C) Copyright 2004
+ * 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
+ */
+
+/* Board specific FPGA stuff ... */
+#define FPGA_REG0                       (CFG_FPGA_BASE + 0x00)
+#define   FPGA_REG0_SSCG_MASK             0x80
+#define   FPGA_REG0_SSCG_DISABLE          0x00
+#define   FPGA_REG0_SSCG_ENABLE           0x80
+#define   FPGA_REG0_BOOT_MASK             0x40
+#define   FPGA_REG0_BOOT_LARGE_FLASH      0x00
+#define   FPGA_REG0_BOOT_SMALL_FLASH      0x40
+#define   FPGA_REG0_ECLS_MASK             0x38  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_0                0x20  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_1                0x10  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_2                0x08  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_VER1             0x00  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_VER3             0x08  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_VER4             0x10  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_VER5             0x18  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_VER2             0x20  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_VER6             0x28  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_VER7             0x30  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ECLS_VER8             0x38  /* New for Ocotea Rev 2 */
+#define   FPGA_REG0_ARBITER_MASK          0x04
+#define   FPGA_REG0_ARBITER_EXT           0x00
+#define   FPGA_REG0_ARBITER_INT           0x04
+#define   FPGA_REG0_ONBOARD_FLASH_MASK    0x02
+#define   FPGA_REG0_ONBOARD_FLASH_ENABLE  0x00
+#define   FPGA_REG0_ONBOARD_FLASH_DISABLE 0x02
+#define   FPGA_REG0_FLASH                 0x01
+#define FPGA_REG1                       (CFG_FPGA_BASE + 0x01)
+#define   FPGA_REG1_9772_FSELFBX_MASK     0x80
+#define   FPGA_REG1_9772_FSELFBX_6        0x00
+#define   FPGA_REG1_9772_FSELFBX_10       0x80
+#define   FPGA_REG1_9531_SX_MASK          0x60
+#define   FPGA_REG1_9531_SX_33MHZ         0x00
+#define   FPGA_REG1_9531_SX_100MHZ        0x20
+#define   FPGA_REG1_9531_SX_66MHZ         0x40
+#define   FPGA_REG1_9531_SX_133MHZ        0x60
+#define   FPGA_REG1_9772_FSELBX_MASK      0x18
+#define   FPGA_REG1_9772_FSELBX_4         0x00
+#define   FPGA_REG1_9772_FSELBX_6         0x08
+#define   FPGA_REG1_9772_FSELBX_8         0x10
+#define   FPGA_REG1_9772_FSELBX_10        0x18
+#define   FPGA_REG1_SOURCE_MASK           0x07
+#define   FPGA_REG1_SOURCE_TC             0x00
+#define   FPGA_REG1_SOURCE_66MHZ          0x01
+#define   FPGA_REG1_SOURCE_50MHZ          0x02
+#define   FPGA_REG1_SOURCE_33MHZ          0x03
+#define   FPGA_REG1_SOURCE_25MHZ          0x04
+#define   FPGA_REG1_SOURCE_SSDIV1         0x05
+#define   FPGA_REG1_SOURCE_SSDIV2         0x06
+#define   FPGA_REG1_SOURCE_SSDIV4         0x07
+#define FPGA_REG2                       (CFG_FPGA_BASE + 0x02)
+#define   FPGA_REG2_TC0                   0x80
+#define   FPGA_REG2_TC1                   0x40
+#define   FPGA_REG2_TC2                   0x20
+#define   FPGA_REG2_TC3                   0x10
+#define   FPGA_REG2_GIGABIT_RESET_DISABLE 0x08   /*Use on Ocotea pass 2 boards*/
+#define   FPGA_REG2_EXT_INTFACE_MASK      0x04
+#define   FPGA_REG2_EXT_INTFACE_ENABLE    0x00
+#define   FPGA_REG2_EXT_INTFACE_DISABLE   0x04
+#define   FPGA_REG2_DEFAULT_UART1_N       0x01
+#define FPGA_REG3                       (CFG_FPGA_BASE + 0x03)
+#define   FPGA_REG3_GIGABIT_RESET_DISABLE 0x80   /*Use on Ocotea pass 1 boards*/
+#define   FPGA_REG3_ENET_MASK1            0x70   /*Use on Ocotea pass 1 boards*/
+#define   FPGA_REG3_ENET_MASK2            0xF0   /*Use on Ocotea pass 2 boards*/
+#define   FPGA_REG3_ENET_GROUP0           0x00
+#define   FPGA_REG3_ENET_GROUP1           0x10
+#define   FPGA_REG3_ENET_GROUP2           0x20
+#define   FPGA_REG3_ENET_GROUP3           0x30
+#define   FPGA_REG3_ENET_GROUP4           0x40
+#define   FPGA_REG3_ENET_GROUP5           0x50
+#define   FPGA_REG3_ENET_GROUP6           0x60
+#define   FPGA_REG3_ENET_GROUP7           0x70
+#define   FPGA_REG3_ENET_GROUP8           0x80   /*Use on Ocotea pass 2 boards*/
+#define   FPGA_REG3_ENET_ENCODE1(n) ((((unsigned long)(n))&0x07)<<4) /*pass1*/
+#define   FPGA_REG3_ENET_DECODE1(n) ((((unsigned long)(n))>>4)&0x07) /*pass1*/
+#define   FPGA_REG3_ENET_ENCODE2(n) ((((unsigned long)(n))&0x0F)<<4) /*pass2*/
+#define   FPGA_REG3_ENET_DECODE2(n) ((((unsigned long)(n))>>4)&0x0F) /*pass2*/
+#define   FPGA_REG3_STAT_MASK             0x0F
+#define   FPGA_REG3_STAT_LED8_ENAB        0x08
+#define   FPGA_REG3_STAT_LED4_ENAB        0x04
+#define   FPGA_REG3_STAT_LED2_ENAB        0x02
+#define   FPGA_REG3_STAT_LED1_ENAB        0x01
+#define   FPGA_REG3_STAT_LED8_DISAB       0x00
+#define   FPGA_REG3_STAT_LED4_DISAB       0x00
+#define   FPGA_REG3_STAT_LED2_DISAB       0x00
+#define   FPGA_REG3_STAT_LED1_DISAB       0x00
+#define FPGA_REG4                       (CFG_FPGA_BASE + 0x04)
+#define   FPGA_REG4_GPHY_MODE10           0x80
+#define   FPGA_REG4_GPHY_MODE100          0x40
+#define   FPGA_REG4_GPHY_MODE1000         0x20
+#define   FPGA_REG4_GPHY_FRC_DPLX         0x10
+#define   FPGA_REG4_GPHY_ANEG_DIS         0x08
+#define   FPGA_REG4_CONNECT_PHYS          0x04
+
+
+#define   SDR0_CUST0_ENET3_MASK         0x00000080
+#define   SDR0_CUST0_ENET3_COPPER       0x00000000
+#define   SDR0_CUST0_ENET3_FIBER        0x00000080
+#define   SDR0_CUST0_RGMII3_MASK        0x00000070
+#define   SDR0_CUST0_RGMII3_ENCODE(n) ((((unsigned long)(n))&0x7)<<4)
+#define   SDR0_CUST0_RGMII3_DECODE(n) ((((unsigned long)(n))>>4)&0x07)
+#define   SDR0_CUST0_RGMII3_DISAB       0x00000000
+#define   SDR0_CUST0_RGMII3_RTBI        0x00000040
+#define   SDR0_CUST0_RGMII3_RGMII       0x00000050
+#define   SDR0_CUST0_RGMII3_TBI         0x00000060
+#define   SDR0_CUST0_RGMII3_GMII        0x00000070
+#define   SDR0_CUST0_ENET2_MASK         0x00000008
+#define   SDR0_CUST0_ENET2_COPPER       0x00000000
+#define   SDR0_CUST0_ENET2_FIBER        0x00000008
+#define   SDR0_CUST0_RGMII2_MASK        0x00000007
+#define   SDR0_CUST0_RGMII2_ENCODE(n) ((((unsigned long)(n))&0x7)<<0)
+#define   SDR0_CUST0_RGMII2_DECODE(n) ((((unsigned long)(n))>>0)&0x07)
+#define   SDR0_CUST0_RGMII2_DISAB       0x00000000
+#define   SDR0_CUST0_RGMII2_RTBI        0x00000004
+#define   SDR0_CUST0_RGMII2_RGMII       0x00000005
+#define   SDR0_CUST0_RGMII2_TBI         0x00000006
+#define   SDR0_CUST0_RGMII2_GMII        0x00000007
diff --git a/board/amcc/ocotea/u-boot.lds b/board/amcc/ocotea/u-boot.lds
new file mode 100644
index 0000000..a985246
--- /dev/null
+++ b/board/amcc/ocotea/u-boot.lds
@@ -0,0 +1,155 @@
+/*
+ * (C) Copyright 2004
+ * 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)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* 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/amcc/ocotea/init.o	(.text)
+    cpu/ppc4xx/kgdb.o	(.text)
+    cpu/ppc4xx/traps.o	(.text)
+    cpu/ppc4xx/interrupts.o	(.text)
+    cpu/ppc4xx/serial.o	(.text)
+    cpu/ppc4xx/cpu_init.o	(.text)
+    cpu/ppc4xx/speed.o	(.text)
+    cpu/ppc4xx/440gx_enet.o	(.text)
+    common/dlmalloc.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_ppc/extable.o	(.text)
+    lib_generic/zlib.o		(.text)
+
+/*    . = env_offset;*/
+/*    common/environment.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;
+
+  .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) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/board/amcc/walnut/Makefile b/board/amcc/walnut/Makefile
new file mode 100644
index 0000000..f5bda55
--- /dev/null
+++ b/board/amcc/walnut/Makefile
@@ -0,0 +1,46 @@
+#
+# (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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o flash.o
+
+$(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 $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/amcc/walnut/config.mk b/board/amcc/walnut/config.mk
new file mode 100644
index 0000000..1bdf5e4
--- /dev/null
+++ b/board/amcc/walnut/config.mk
@@ -0,0 +1,24 @@
+#
+# (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
+#
+
+TEXT_BASE = 0xFFFC0000
diff --git a/board/amcc/walnut/flash.c b/board/amcc/walnut/flash.c
new file mode 100644
index 0000000..056f9b9
--- /dev/null
+++ b/board/amcc/walnut/flash.c
@@ -0,0 +1,199 @@
+/*
+ * (C) Copyright 2000-2005
+ * 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
+ */
+
+/*
+ * Modified 4/5/2001
+ * Wait for completion of each sector erase command issued
+ * 4/5/2001
+ * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <asm/processor.h>
+
+#undef DEBUG
+#ifdef DEBUG
+#define DEBUGF(x...) printf(x)
+#else
+#define DEBUGF(x...)
+#endif				/* DEBUG */
+
+/*
+ * include common flash code (for amcc boards)
+ */
+#include "../common/flash.c"
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(vu_long * addr, flash_info_t * info);
+static void flash_get_offsets(ulong base, flash_info_t * info);
+
+unsigned long flash_init(void)
+{
+	unsigned long size_b0, size_b1;
+	int i;
+	uint pbcr;
+	unsigned long base_b0, base_b1;
+
+	/* Init: no FLASHes known */
+	for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+		flash_info[i].flash_id = FLASH_UNKNOWN;
+	}
+
+	/* Static FLASH Bank configuration here - FIXME XXX */
+
+	size_b0 =
+	    flash_get_size((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]);
+
+	if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+		printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+		       size_b0, size_b0 << 20);
+	}
+
+	/* Only one bank */
+	if (CFG_MAX_FLASH_BANKS == 1) {
+		/* Setup offsets */
+		flash_get_offsets(FLASH_BASE0_PRELIM, &flash_info[0]);
+
+		/* Monitor protection ON by default */
+		(void)flash_protect(FLAG_PROTECT_SET,
+				    CFG_MONITOR_BASE,
+				    CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
+				    &flash_info[0]);
+#ifdef CFG_ENV_IS_IN_FLASH
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
+				    CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[0]);
+		(void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
+				    CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
+				    &flash_info[0]);
+#endif
+
+		size_b1 = 0;
+		flash_info[0].size = size_b0;
+	} else {
+		/* 2 banks */
+		size_b1 =
+		    flash_get_size((vu_long *) FLASH_BASE1_PRELIM,
+				   &flash_info[1]);
+
+		/* Re-do sizing to get full correct info */
+
+		if (size_b1) {
+			mtdcr(ebccfga, pb0cr);
+			pbcr = mfdcr(ebccfgd);
+			mtdcr(ebccfga, pb0cr);
+			base_b1 = -size_b1;
+			pbcr =
+			    (pbcr & 0x0001ffff) | base_b1 |
+			    (((size_b1 / 1024 / 1024) - 1) << 17);
+			mtdcr(ebccfgd, pbcr);
+			/*          printf("pb1cr = %x\n", pbcr); */
+		}
+
+		if (size_b0) {
+			mtdcr(ebccfga, pb1cr);
+			pbcr = mfdcr(ebccfgd);
+			mtdcr(ebccfga, pb1cr);
+			base_b0 = base_b1 - size_b0;
+			pbcr =
+			    (pbcr & 0x0001ffff) | base_b0 |
+			    (((size_b0 / 1024 / 1024) - 1) << 17);
+			mtdcr(ebccfgd, pbcr);
+			/*            printf("pb0cr = %x\n", pbcr); */
+		}
+
+		size_b0 = flash_get_size((vu_long *) base_b0, &flash_info[0]);
+
+		flash_get_offsets(base_b0, &flash_info[0]);
+
+		/* monitor protection ON by default */
+		(void)flash_protect(FLAG_PROTECT_SET,
+				    base_b0 + size_b0 - monitor_flash_len,
+				    base_b0 + size_b0 - 1, &flash_info[0]);
+
+		if (size_b1) {
+			/* Re-do sizing to get full correct info */
+			size_b1 =
+			    flash_get_size((vu_long *) base_b1, &flash_info[1]);
+
+			flash_get_offsets(base_b1, &flash_info[1]);
+
+			/* monitor protection ON by default */
+			(void)flash_protect(FLAG_PROTECT_SET,
+					    base_b1 + size_b1 -
+					    monitor_flash_len,
+					    base_b1 + size_b1 - 1,
+					    &flash_info[1]);
+			/* monitor protection OFF by default (one is enough) */
+			(void)flash_protect(FLAG_PROTECT_CLEAR,
+					    base_b0 + size_b0 -
+					    monitor_flash_len,
+					    base_b0 + size_b0 - 1,
+					    &flash_info[0]);
+		} else {
+			flash_info[1].flash_id = FLASH_UNKNOWN;
+			flash_info[1].sector_count = -1;
+		}
+
+		flash_info[0].size = size_b0;
+		flash_info[1].size = size_b1;
+	}			/* else 2 banks */
+	return (size_b0 + size_b1);
+}
+
+
+static void flash_get_offsets(ulong base, flash_info_t * info)
+{
+	int i;
+
+	/* set up sector start address table */
+	if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
+	    (info->flash_id == FLASH_AM040)) {
+		for (i = 0; i < info->sector_count; i++)
+			info->start[i] = base + (i * 0x00010000);
+	} else {
+		if (info->flash_id & FLASH_BTYPE) {
+			/* set sector offsets for bottom boot block type        */
+			info->start[0] = base + 0x00000000;
+			info->start[1] = base + 0x00004000;
+			info->start[2] = base + 0x00006000;
+			info->start[3] = base + 0x00008000;
+			for (i = 4; i < info->sector_count; i++) {
+				info->start[i] =
+				    base + (i * 0x00010000) - 0x00030000;
+			}
+		} else {
+			/* set sector offsets for top boot block type           */
+			i = info->sector_count - 1;
+			info->start[i--] = base + info->size - 0x00004000;
+			info->start[i--] = base + info->size - 0x00006000;
+			info->start[i--] = base + info->size - 0x00008000;
+			for (; i >= 0; i--) {
+				info->start[i] = base + i * 0x00010000;
+			}
+		}
+	}
+}
diff --git a/board/amcc/walnut/u-boot.lds b/board/amcc/walnut/u-boot.lds
new file mode 100644
index 0000000..7107880
--- /dev/null
+++ b/board/amcc/walnut/u-boot.lds
@@ -0,0 +1,149 @@
+/*
+ * (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(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  .resetvec 0xFFFFFFFC :
+  {
+    *(.resetvec)
+  } = 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)
+    cpu/ppc4xx/kgdb.o	(.text)
+    cpu/ppc4xx/traps.o	(.text)
+    cpu/ppc4xx/interrupts.o	(.text)
+    cpu/ppc4xx/serial.o	(.text)
+    cpu/ppc4xx/cpu_init.o	(.text)
+    cpu/ppc4xx/speed.o	(.text)
+    cpu/ppc4xx/405gp_enet.o	(.text)
+    common/dlmalloc.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_ppc/extable.o	(.text)
+    lib_generic/zlib.o		(.text)
+
+/*    . = env_offset;*/
+/*    common/environment.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;
+
+  .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) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/board/amcc/walnut/walnut.c b/board/amcc/walnut/walnut.c
new file mode 100644
index 0000000..9fca0a6
--- /dev/null
+++ b/board/amcc/walnut/walnut.c
@@ -0,0 +1,111 @@
+/*
+ * (C) Copyright 2000-2005
+ * 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/processor.h>
+#include <spd_sdram.h>
+
+int board_early_init_f(void)
+{
+	/*-------------------------------------------------------------------------+
+	  | Interrupt controller setup for the Walnut/Sycamore board.
+	  | Note: IRQ 0-15  405GP internally generated; active high; level sensitive
+	  |       IRQ 16    405GP internally generated; active low; level sensitive
+	  |       IRQ 17-24 RESERVED
+	  |       IRQ 25 (EXT IRQ 0) FPGA; active high; level sensitive
+	  |       IRQ 26 (EXT IRQ 1) SMI; active high; level sensitive
+	  |       IRQ 27 (EXT IRQ 2) Not Used
+	  |       IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive
+	  |       IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
+	  |       IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive
+	  |       IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive
+	  | Note for Walnut board:
+	  |       An interrupt taken for the FPGA (IRQ 25) indicates that either
+	  |       the Mouse, Keyboard, IRDA, or External Expansion caused the
+	  |       interrupt. The FPGA must be read to determine which device
+	  |       caused the interrupt. The default setting of the FPGA clears
+	  |
+	  +-------------------------------------------------------------------------*/
+
+	mtdcr(uicsr, 0xFFFFFFFF);	/* clear all ints */
+	mtdcr(uicer, 0x00000000);	/* disable all ints */
+	mtdcr(uiccr, 0x00000020);	/* set all but FPGA SMI to be non-critical */
+	mtdcr(uicpr, 0xFFFFFFE0);	/* set int polarities */
+	mtdcr(uictr, 0x10000000);	/* set int trigger levels */
+	mtdcr(uicvcr, 0x00000001);	/* set vect base=0,INT0 highest priority */
+	mtdcr(uicsr, 0xFFFFFFFF);	/* clear all ints */
+
+	/* set UART1 control to select CTS/RTS */
+#define FPGA_BRDC       0xF0300004
+	*(volatile char *)(FPGA_BRDC) |= 0x1;
+
+	return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+int checkboard(void)
+{
+	unsigned char *s = getenv("serial#");
+	uint pvr = get_pvr();
+
+	if (pvr == PVR_405GPR_RB) {
+		puts("Board: Sycamore - AMCC PPC405GPr Evaluation Board");
+	} else {
+		puts("Board: Walnut - AMCC PPC405GP Evaluation Board");
+	}
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return (0);
+}
+
+/*
+ * sdram_init - Dummy implementation for start.S, spd_sdram used on this board!
+ */
+void sdram_init(void)
+{
+	return;
+}
+
+/*
+ * initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
+ * the necessary info for SDRAM controller configuration
+ */
+long int initdram(int board_type)
+{
+	return spd_sdram(0);
+}
+
+int testdram(void)
+{
+	/* TODO: XXX XXX XXX */
+	printf("test: xxx MB - ok\n");
+
+	return (0);
+}