ppc4xx: Add initial AMCC Makalu 405EX support

Signed-off-by: Stefan Roese <sr@denx.de>

7 files changed, 1228 insertions, 0 deletions

diff --git a/board/amcc/makalu/Makefile b/board/amcc/makalu/Makefile
new file mode 100644
index 0000000..b8da25f
--- /dev/null
+++ b/board/amcc/makalu/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2007
+# Stefan Roese, DENX Software Engineering, sr@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	= $(BOARD).o cmd_pll.o memory.o
+SOBJS	= init.o
+
+SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+	rm -f $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend *~
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/amcc/makalu/cmd_pll.c b/board/amcc/makalu/cmd_pll.c
new file mode 100644
index 0000000..b2666dd
--- /dev/null
+++ b/board/amcc/makalu/cmd_pll.c
@@ -0,0 +1,297 @@
+/*
+ * (C) Copyright 2000, 2001
+ * 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
+ *
+ */
+
+/*
+ * ehnus: change pll frequency.
+ * Wed Sep  5 11:45:17 CST 2007
+ * hsun@udtech.com.cn
+ */
+
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <i2c.h>
+
+#ifdef CONFIG_CMD_EEPROM
+
+#define EEPROM_CONF_OFFSET		0
+#define EEPROM_TEST_OFFSET		16
+#define EEPROM_SDSTP_PARAM		16
+
+#define PLL_NAME_MAX			12
+#define BUF_STEP			8
+
+/* eeprom_wirtes 8Byte per op. */
+#define EEPROM_ALTER_FREQ(freq)						\
+	do {								\
+		int __i;						\
+		for (__i = 0; __i < 2; __i++)				\
+			eeprom_write (CFG_I2C_EEPROM_ADDR,		\
+				      EEPROM_CONF_OFFSET + __i*BUF_STEP, \
+				      pll_select[freq],			\
+				      BUF_STEP + __i*BUF_STEP);		\
+	} while (0)
+
+#define PDEBUG
+#ifdef	PDEBUG
+#define PLL_DEBUG	pll_debug(EEPROM_CONF_OFFSET)
+#else
+#define PLL_DEBUG
+#endif
+
+typedef enum {
+	PLL_ebc20,
+	PLL_333,
+	PLL_4001,
+	PLL_4002,
+	PLL_533,
+	PLL_600,
+	PLL_666,	/* For now, kilauea can't support */
+	RCONF,
+	WTEST,
+	PLL_TOTAL
+} pll_freq_t;
+
+static const char
+pll_name[][PLL_NAME_MAX] = {
+	"PLL_ebc20",
+	"PLL_333",
+	"PLL_400@1",
+	"PLL_400@2",
+	"PLL_533",
+	"PLL_600",
+	"PLL_666",
+	"RCONF",
+	"WTEST",
+	""
+};
+
+/*
+ * ehnus:
+ */
+static uchar
+pll_select[][EEPROM_SDSTP_PARAM] = {
+	/* 0: CPU 333MHz EBC 20MHz, for test only */
+	{
+		0x8c, 0x12, 0xec, 0x12, 0x88, 0x00, 0x0a, 0x00,
+		0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00
+	},
+
+	/* 0: 333 */
+	{
+		0x8c, 0x12, 0xec, 0x12, 0x98, 0x00, 0x0a, 0x00,
+		0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00
+	},
+
+	/* 1: 400_266 */
+	{
+		0x8e, 0x0e, 0xe8, 0x13, 0x98, 0x00, 0x0a, 0x00,
+		0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00
+	},
+
+	/* 2: 400 */
+	{
+		0x8e, 0x0e, 0xe8, 0x12, 0x98, 0x00, 0x0a, 0x00,
+		0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00
+	},
+
+	/* 3: 533 */
+	{
+		0x8e, 0x43, 0x60, 0x13, 0x98, 0x00, 0x0a, 0x00,
+		0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00
+	},
+
+	/* 4: 600 */
+	{
+		0x8d, 0x02, 0x34, 0x13, 0x98, 0x00, 0x0a, 0x00,
+		0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00
+	},
+
+	/* 5: 666 */
+	{
+		0x8d, 0x03, 0x78, 0x13, 0x98, 0x00, 0x0a, 0x00,
+		0x40, 0x08, 0x23, 0x50, 0x00, 0x05, 0x00, 0x00
+	},
+
+	{}
+};
+
+static uchar
+testbuf[EEPROM_SDSTP_PARAM] = {
+	0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+	0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff
+};
+
+static void
+pll_debug(int off)
+{
+	int i;
+	uchar buffer[EEPROM_SDSTP_PARAM];
+
+	memset(buffer, 0, sizeof(buffer));
+	eeprom_read(CFG_I2C_EEPROM_ADDR, off,
+		    buffer, EEPROM_SDSTP_PARAM);
+
+	printf("Debug: SDSTP[0-3] at offset \"0x%02x\" lists as follows: \n", off);
+	for (i = 0; i < EEPROM_SDSTP_PARAM; i++)
+		printf("%02x ", buffer[i]);
+	printf("\n");
+}
+
+static void
+test_write(void)
+{
+	printf("Debug: test eeprom_write ... ");
+
+	/*
+	 * Write twice, 8 bytes per write
+	 */
+	eeprom_write (CFG_I2C_EEPROM_ADDR, EEPROM_TEST_OFFSET,
+		      testbuf, 8);
+	eeprom_write (CFG_I2C_EEPROM_ADDR, EEPROM_TEST_OFFSET+8,
+		      testbuf, 16);
+	printf("done\n");
+
+	pll_debug(EEPROM_TEST_OFFSET);
+}
+
+int
+do_pll_alter (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	char c = '\0';
+	pll_freq_t pll_freq;
+	if (argc < 2) {
+		printf("Usage: \n%s\n", cmdtp->usage);
+		goto ret;
+	}
+
+	for (pll_freq = PLL_ebc20; pll_freq < PLL_TOTAL; pll_freq++)
+		if (!strcmp(pll_name[pll_freq], argv[1]))
+			break;
+
+	switch (pll_freq) {
+	case PLL_ebc20:
+	case PLL_333:
+	case PLL_4001:
+	case PLL_4002:
+	case PLL_533:
+	case PLL_600:
+		EEPROM_ALTER_FREQ(pll_freq);
+		break;
+
+	case PLL_666:		/* not support */
+		printf("Choose this option will result in a boot failure."
+		       "\nContinue? (Y/N): ");
+
+		c = getc(); putc('\n');
+
+		if ((c == 'y') || (c == 'Y')) {
+			EEPROM_ALTER_FREQ(pll_freq);
+			break;
+		}
+		goto ret;
+
+	case RCONF:
+		pll_debug(EEPROM_CONF_OFFSET);
+		goto ret;
+	case WTEST:
+		printf("DEBUG: write test\n");
+		test_write();
+		goto ret;
+
+	default:
+		printf("Invalid options"
+		       "\n\nUsage: \n%s\n", cmdtp->usage);
+		goto ret;
+	}
+
+	printf("PLL set to %s, "
+	       "reset the board to take effect\n", pll_name[pll_freq]);
+
+	PLL_DEBUG;
+ret:
+	return 0;
+}
+
+U_BOOT_CMD(
+	pllalter, CFG_MAXARGS, 1,        do_pll_alter,
+	"pllalter- change pll frequence \n",
+	"pllalter <selection>      - change pll frequence \n\n\
+	** New freq take effect after reset. ** \n\
+	----------------------------------------------\n\
+	PLL_ebc20: Board: AMCC 405EX(r) Evaluation Board\n\
+	\t	Same as PLL_333	\n\
+	\t	except          \n\
+	\t	EBC: 20 MHz     \n\
+	----------------------------------------------\n\
+	PLL_333: Board: AMCC 405EX(r) Evaluation Board\n\
+	\t	VCO: 666 MHz  \n\
+	\t	CPU: 333 MHz  \n\
+	\t	PLB: 166 MHz  \n\
+	\t	OPB: 83 MHz   \n\
+	\t	DDR: 83 MHz   \n\
+	------------------------------------------------\n\
+	PLL_400@1: Board: AMCC 405EX(r) Evaluation Board\n\
+	\t	VCO: 800 MHz  \n\
+	\t	CPU: 400 MHz  \n\
+	\t	PLB: 133 MHz  \n\
+	\t	OPB: 66  MHz  \n\
+	\t	DDR: 133 MHz  \n\
+	------------------------------------------------\n\
+	PLL_400@2: Board: AMCC 405EX(r) Evaluation Board\n\
+	\t	VCO: 800 MHz  \n\
+	\t	CPU: 400 MHz  \n\
+	\t	PLB: 200 MHz  \n\
+	\t	OPB: 100 MHz  \n\
+	\t	DDR: 200 MHz  \n\
+	----------------------------------------------\n\
+	PLL_533: Board: AMCC 405EX(r) Evaluation Board\n\
+	\t	VCO: 1066 MHz  \n\
+	\t	CPU: 533  MHz  \n\
+	\t	PLB: 177  MHz  \n\
+	\t	OPB: 88   MHz  \n\
+	\t	DDR: 177  MHz  \n\
+	----------------------------------------------\n\
+	PLL_600: Board: AMCC 405EX(r) Evaluation Board\n\
+	\t	VCO: 1200 MHz  \n\
+	\t	CPU: 600  MHz  \n\
+	\t	PLB: 200  MHz  \n\
+	\t	OPB: 100  MHz  \n\
+	\t	DDR: 200  MHz  \n\
+	----------------------------------------------\n\
+	PLL_666: Board: AMCC 405EX(r) Evaluation Board\n\
+	\t	VCO: 1333 MHz  \n\
+	\t	CPU: 666  MHz  \n\
+	\t	PLB: 166  MHz  \n\
+	\t	OPB: 83   MHz  \n\
+	\t	DDR: 166  MHz  \n\
+	-----------------------------------------------\n\
+	RCONF: Read current eeprom configuration.      \n\
+	-----------------------------------------------\n\
+	WTEST: Test EEPROM write with predefined values\n\
+	-----------------------------------------------\n"
+	);
+
+#endif	/* (CONFIG_COMMANDS & CFG_CMD_EEPROM) */
diff --git a/board/amcc/makalu/config.mk b/board/amcc/makalu/config.mk
new file mode 100644
index 0000000..a46b197
--- /dev/null
+++ b/board/amcc/makalu/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 = 0xFFFA0000
diff --git a/board/amcc/makalu/init.S b/board/amcc/makalu/init.S
new file mode 100644
index 0000000..806f5fd
--- /dev/null
+++ b/board/amcc/makalu/init.S
@@ -0,0 +1,154 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * Based on code provided from Senao and AMCC
+ *
+ * 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 <config.h>
+#include <ppc4xx.h>
+
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+
+#define mtsdram_as(reg, value)	 	\
+	addi    r4,0,reg	;     	\
+	mtdcr   memcfga,r4	;	\
+	addis   r4,0,value@h 	;	\
+	ori     r4,r4,value@l	;	\
+	mtdcr   memcfgd,r4	;
+
+	.globl  ext_bus_cntlr_init
+ext_bus_cntlr_init:
+
+	/*
+	 * DDR2 setup
+	 */
+
+	/* Following the DDR Core Manual, here is the initialization */
+
+	/* Step 1 */
+
+	/* Step 2 */
+
+	/* Step 3 */
+
+	/* base=00000000, size=128MByte (5), mode=2 (n*10*4) */
+	mtsdram_as(SDRAM_MB0CF, 0x00005201);
+
+	/* SET SDRAM_MB1CF - Not enabled */
+	mtsdram_as(SDRAM_MB1CF, 0x00000000);
+
+	/* SET SDRAM_MB2CF  - Not enabled */
+	mtsdram_as(SDRAM_MB2CF, 0x00000000);
+
+	/* SET SDRAM_MB3CF  - Not enabled */
+	mtsdram_as(SDRAM_MB3CF, 0x00000000);
+
+	/* SDRAM_CLKTR: Adv Addr clock by 90 deg */
+	mtsdram_as(SDRAM_CLKTR,0x80000000);
+
+	/* Refresh Time register (0x30) Refresh every 7.8125uS */
+	mtsdram_as(SDRAM_RTR, 0x06180000);
+
+	/* SDRAM_SDTR1 */
+	mtsdram_as(SDRAM_SDTR1, 0x80201000);
+
+	/* SDRAM_SDTR2	*/
+	mtsdram_as(SDRAM_SDTR2, 0x32204232);
+
+	/* SDRAM_SDTR3	*/
+	mtsdram_as(SDRAM_SDTR3, 0x080b0d1a);
+
+	mtsdram_as(SDRAM_MMODE, 0x00000442);
+	mtsdram_as(SDRAM_MEMODE, 0x00000404);
+
+	/* SDRAM0_MCOPT1 (0X20) No ECC Gen */
+	mtsdram_as(SDRAM_MCOPT1, 0x04322000);
+
+	/* NOP */
+	mtsdram_as(SDRAM_INITPLR0, 0xa8380000);
+	/* precharge 3 DDR clock cycle */
+	mtsdram_as(SDRAM_INITPLR1, 0x81900400);
+	/* EMR2 twr = 2tck */
+	mtsdram_as(SDRAM_INITPLR2, 0x81020000);
+	/* EMR3  twr = 2tck */
+	mtsdram_as(SDRAM_INITPLR3, 0x81030000);
+	/* EMR DLL ENABLE twr = 2tck */
+	mtsdram_as(SDRAM_INITPLR4, 0x81010404);
+	/* MR w/ DLL reset
+	 * Note: 5 is CL.  May need to be changed
+	 */
+	mtsdram_as(SDRAM_INITPLR5, 0x81000542);
+	/* precharge 3 DDR clock cycle */
+	mtsdram_as(SDRAM_INITPLR6, 0x81900400);
+	/* Auto-refresh trfc = 26tck */
+	mtsdram_as(SDRAM_INITPLR7, 0x8D080000);
+	/* Auto-refresh trfc = 26tck */
+	mtsdram_as(SDRAM_INITPLR8, 0x8D080000);
+	/* Auto-refresh */
+	mtsdram_as(SDRAM_INITPLR9, 0x8D080000);
+	/* Auto-refresh */
+	mtsdram_as(SDRAM_INITPLR10, 0x8D080000);
+	/* MRS - normal operation; wait 2 cycle (set wait to tMRD) */
+	mtsdram_as(SDRAM_INITPLR11, 0x81000442);
+	mtsdram_as(SDRAM_INITPLR12, 0x81010780);
+	mtsdram_as(SDRAM_INITPLR13, 0x81010400);
+	mtsdram_as(SDRAM_INITPLR14, 0x00000000);
+	mtsdram_as(SDRAM_INITPLR15, 0x00000000);
+
+	/* SET MCIF0_CODT   Die Termination On */
+	mtsdram_as(SDRAM_CODT, 0x0080f837);
+	mtsdram_as(SDRAM_MODT0, 0x01800000);
+#if 0 /* test-only: not sure if 0 is ok when 2nd bank is used */
+	mtsdram_as(SDRAM_MODT1, 0x00000000);
+#endif
+
+	mtsdram_as(SDRAM_WRDTR, 0x00000000);
+
+	/* SDRAM0_MCOPT2 (0X21) Start initialization */
+	mtsdram_as(SDRAM_MCOPT2, 0x20000000);
+
+	/* Step 5 */
+	lis     r3,0x1	/* 400000 =  wait 100ms */
+	mtctr   r3
+
+pll_wait:
+	bdnz	pll_wait
+
+	/* Step 6 */
+
+	/* SDRAM_DLCR */
+	mtsdram_as(SDRAM_DLCR, 0x030000a5);
+
+	/* SDRAM_RDCC */
+	mtsdram_as(SDRAM_RDCC, 0x40000000);
+
+	/* SDRAM_RQDC */
+	mtsdram_as(SDRAM_RQDC, 0x80000038);
+
+	/* SDRAM_RFDC */
+	mtsdram_as(SDRAM_RFDC, 0x00000209);
+
+	/* Enable memory controller */
+	mtsdram_as(SDRAM_MCOPT2, 0x28000000);
+
+	blr
diff --git a/board/amcc/makalu/makalu.c b/board/amcc/makalu/makalu.c
new file mode 100644
index 0000000..3b4a9c1
--- /dev/null
+++ b/board/amcc/makalu/makalu.c
@@ -0,0 +1,378 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <ppc4xx.h>
+#include <ppc405.h>
+#include <libfdt.h>
+#include <asm/processor.h>
+#include <asm-ppc/io.h>
+
+#if defined(CONFIG_PCI)
+#include <pci.h>
+#include <asm/4xx_pcie.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
+
+/*
+ * Board early initialization function
+ */
+int board_early_init_f (void)
+{
+	/*--------------------------------------------------------------------+
+	 | Interrupt controller setup for the AMCC 405EX(r) PINE evaluation board.
+	 +--------------------------------------------------------------------+
+	+---------------------------------------------------------------------+
+	|Interrupt| Source                            | Pol.  | Sensi.| Crit. |
+	+---------+-----------------------------------+-------+-------+-------+
+	| IRQ 00  | UART0                             | High  | Level | Non   |
+	| IRQ 01  | UART1                             | High  | Level | Non   |
+	| IRQ 02  | IIC0                              | High  | Level | Non   |
+	| IRQ 03  | TBD                               | High  | Level | Non   |
+	| IRQ 04  | TBD                               | High  | Level | Non   |
+	| IRQ 05  | EBM                               | High  | Level | Non   |
+	| IRQ 06  | BGI                               | High  | Level | Non   |
+	| IRQ 07  | IIC1                              | Rising| Edge  | Non   |
+	| IRQ 08  | SPI                               | High  | Lvl/ed| Non   |
+	| IRQ 09  | External IRQ 0 - (PCI-Express)    | pgm H | Pgm   | Non   |
+	| IRQ 10  | MAL TX EOB                        | High  | Level | Non   |
+	| IRQ 11  | MAL RX EOB                        | High  | Level | Non   |
+	| IRQ 12  | DMA Channel 0 FIFO Full           | High  | Level | Non   |
+	| IRQ 13  | DMA Channel 0 Stat FIFO           | High  | Level | Non   |
+	| IRQ 14  | DMA Channel 1 FIFO Full           | High  | Level | Non   |
+	| IRQ 15  | DMA Channel 1 Stat FIFO           | High  | Level | Non   |
+	| IRQ 16  | PCIE0 AL                          | high  | Level | Non   |
+	| IRQ 17  | PCIE0 VPD access                  | rising| Edge  | Non   |
+	| IRQ 18  | PCIE0 hot reset request           | rising| Edge  | Non   |
+	| IRQ 19  | PCIE0 hot reset request           | faling| Edge  | Non   |
+	| IRQ 20  | PCIE0 TCR                         | High  | Level | Non   |
+	| IRQ 21  | PCIE0 MSI level0                  | High  | Level | Non   |
+	| IRQ 22  | PCIE0 MSI level1                  | High  | Level | Non   |
+	| IRQ 23  | Security EIP-94                   | High  | Level | Non   |
+	| IRQ 24  | EMAC0 interrupt                   | High  | Level | Non   |
+	| IRQ 25  | EMAC1 interrupt                   | High  | Level | Non   |
+	| IRQ 26  | PCIE0 MSI level2                  | High  | Level | Non   |
+	| IRQ 27  | External IRQ 4                    | pgm H | Pgm   | Non   |
+	| IRQ 28  | UIC2 Non-critical Int.            | High  | Level | Non   |
+	| IRQ 29  | UIC2 Critical Interrupt           | High  | Level | Crit. |
+	| IRQ 30  | UIC1 Non-critical Int.            | High  | Level | Non   |
+	| IRQ 31  | UIC1 Critical Interrupt           | High  | Level | Crit. |
+	|----------------------------------------------------------------------
+	| IRQ 32  | MAL Serr                          | High  | Level | Non   |
+	| IRQ 33  | MAL Txde                          | High  | Level | Non   |
+	| IRQ 34  | MAL Rxde                          | High  | Level | Non   |
+	| IRQ 35  | PCIE0 bus master VC0              |falling| Edge  | Non   |
+	| IRQ 36  | PCIE0 DCR Error                   | High  | Level | Non   |
+	| IRQ 37  | EBC                               | High  |Lvl Edg| Non   |
+	| IRQ 38  | NDFC                              | High  | Level | Non   |
+	| IRQ 39  | GPT Compare Timer 8               | Risin | Edge  | Non   |
+	| IRQ 40  | GPT Compare Timer 9               | Risin | Edge  | Non   |
+	| IRQ 41  | PCIE1 AL                          | high  | Level | Non   |
+	| IRQ 42  | PCIE1 VPD access                  | rising| edge  | Non   |
+	| IRQ 43  | PCIE1 hot reset request           | rising| Edge  | Non   |
+	| IRQ 44  | PCIE1 hot reset request           | faling| Edge  | Non   |
+	| IRQ 45  | PCIE1 TCR                         | High  | Level | Non   |
+	| IRQ 46  | PCIE1 bus master VC0              |falling| Edge  | Non   |
+	| IRQ 47  | GPT Compare Timer 3               | Risin | Edge  | Non   |
+	| IRQ 48  | GPT Compare Timer 4               | Risin | Edge  | Non   |
+	| IRQ 49  | Ext. IRQ 7                        |pgm/Fal|pgm/Lvl| Non   |
+	| IRQ 50  | Ext. IRQ 8 -                      |pgm (H)|pgm/Lvl| Non   |
+	| IRQ 51  | Ext. IRQ 9                        |pgm (H)|pgm/Lvl| Non   |
+	| IRQ 52  | GPT Compare Timer 5               | high  | Edge  | Non   |
+	| IRQ 53  | GPT Compare Timer 6               | high  | Edge  | Non   |
+	| IRQ 54  | GPT Compare Timer 7               | high  | Edge  | Non   |
+	| IRQ 55  | Serial ROM                        | High  | Level | Non   |
+	| IRQ 56  | GPT Decrement Pulse               | High  | Level | Non   |
+	| IRQ 57  | Ext. IRQ 2                        |pgm/Fal|pgm/Lvl| Non   |
+	| IRQ 58  | Ext. IRQ 5                        |pgm/Fal|pgm/Lvl| Non   |
+	| IRQ 59  | Ext. IRQ 6                        |pgm/Fal|pgm/Lvl| Non   |
+	| IRQ 60  | EMAC0 Wake-up                     | High  | Level | Non   |
+	| IRQ 61  | Ext. IRQ 1                        |pgm/Fal|pgm/Lvl| Non   |
+	| IRQ 62  | EMAC1 Wake-up                     | High  | Level | Non   |
+	|----------------------------------------------------------------------
+	| IRQ 64  | PE0 AL                            | High  | Level | Non   |
+	| IRQ 65  | PE0 VPD Access                    | Risin | Edge  | Non   |
+	| IRQ 66  | PE0 Hot Reset Request             | Risin | Edge  | Non   |
+	| IRQ 67  | PE0 Hot Reset Request             | Falli | Edge  | Non   |
+	| IRQ 68  | PE0 TCR                           | High  | Level | Non   |
+	| IRQ 69  | PE0 BusMaster VCO                 | Falli | Edge  | Non   |
+	| IRQ 70  | PE0 DCR Error                     | High  | Level | Non   |
+	| IRQ 71  | Reserved                          | N/A   | N/A   | Non   |
+	| IRQ 72  | PE1 AL                            | High  | Level | Non   |
+	| IRQ 73  | PE1 VPD Access                    | Risin | Edge  | Non   |
+	| IRQ 74  | PE1 Hot Reset Request             | Risin | Edge  | Non   |
+	| IRQ 75  | PE1 Hot Reset Request             | Falli | Edge  | Non   |
+	| IRQ 76  | PE1 TCR                           | High  | Level | Non   |
+	| IRQ 77  | PE1 BusMaster VCO                 | Falli | Edge  | Non   |
+	| IRQ 78  | PE1 DCR Error                     | High  | Level | Non   |
+	| IRQ 79  | Reserved                          | N/A   | N/A   | Non   |
+	| IRQ 80  | PE2 AL                            | High  | Level | Non   |
+	| IRQ 81  | PE2 VPD Access                    | Risin | Edge  | Non   |
+	| IRQ 82  | PE2 Hot Reset Request             | Risin | Edge  | Non   |
+	| IRQ 83  | PE2 Hot Reset Request             | Falli | Edge  | Non   |
+	| IRQ 84  | PE2 TCR                           | High  | Level | Non   |
+	| IRQ 85  | PE2 BusMaster VCO                 | Falli | Edge  | Non   |
+	| IRQ 86  | PE2 DCR Error                     | High  | Level | Non   |
+	| IRQ 87  | Reserved                          | N/A   | N/A   | Non   |
+	| IRQ 88  | External IRQ(5)                   | Progr | Progr | Non   |
+	| IRQ 89  | External IRQ 4 - Ethernet         | Progr | Progr | Non   |
+	| IRQ 90  | External IRQ 3 - PCI-X            | Progr | Progr | Non   |
+	| IRQ 91  | External IRQ 2 - PCI-X            | Progr | Progr | Non   |
+	| IRQ 92  | External IRQ 1 - PCI-X            | Progr | Progr | Non   |
+	| IRQ 93  | External IRQ 0 - PCI-X            | Progr | Progr | Non   |
+	| IRQ 94  | Reserved                          | N/A   | N/A   | Non   |
+	| IRQ 95  | Reserved                          | N/A   | N/A   | Non   |
+	|---------------------------------------------------------------------
+	+---------+-----------------------------------+-------+-------+------*/
+	/*--------------------------------------------------------------------+
+	 | Initialise UIC registers.  Clear all interrupts.  Disable all
+	 | interrupts.
+	 | Set critical interrupt values.  Set interrupt polarities.  Set
+	 | interrupt trigger levels.  Make bit 0 High  priority.  Clear all
+	 | interrupts again.
+	 +-------------------------------------------------------------------*/
+
+	mtdcr (uic2sr, 0xffffffff);	/* Clear all interrupts */
+	mtdcr (uic2er, 0x00000000);	/* disable all interrupts */
+	mtdcr (uic2cr, 0x00000000);	/* Set Critical / Non Critical interrupts */
+	mtdcr (uic2pr, 0xf7ffffff);	/* Set Interrupt Polarities */
+	mtdcr (uic2tr, 0x01e1fff8);	/* Set Interrupt Trigger Levels */
+	mtdcr (uic2vr, 0x00000001);	/* Set Vect base=0,INT31 Highest priority */
+	mtdcr (uic2sr, 0x00000000);	/* clear all interrupts */
+	mtdcr (uic2sr, 0xffffffff);	/* clear all interrupts */
+
+	mtdcr (uic1sr, 0xffffffff);	/* Clear all interrupts */
+	mtdcr (uic1er, 0x00000000);	/* disable all interrupts */
+	mtdcr (uic1cr, 0x00000000);	/* Set Critical / Non Critical interrupts */
+	mtdcr (uic1pr, 0xfffac785);	/* Set Interrupt Polarities */
+	mtdcr (uic1tr, 0x001d0040);	/* Set Interrupt Trigger Levels */
+	mtdcr (uic1vr, 0x00000001);	/* Set Vect base=0,INT31 Highest priority */
+	mtdcr (uic1sr, 0x00000000);	/* clear all interrupts */
+	mtdcr (uic1sr, 0xffffffff);	/* clear all interrupts */
+
+	mtdcr (uic0sr, 0xffffffff);	/* Clear all interrupts */
+	mtdcr (uic0er, 0x0000000a);	/* Disable all interrupts */
+					/* Except cascade UIC0 and UIC1 */
+	mtdcr (uic0cr, 0x00000000);	/* Set Critical / Non Critical interrupts */
+	mtdcr (uic0pr, 0xffbfefef);	/* Set Interrupt Polarities */
+	mtdcr (uic0tr, 0x00007000);	/* Set Interrupt Trigger Levels */
+	mtdcr (uic0vr, 0x00000001);	/* Set Vect base=0,INT31 Highest priority */
+	mtdcr (uic0sr, 0x00000000);	/* clear all interrupts */
+	mtdcr (uic0sr, 0xffffffff);	/* clear all interrupts */
+
+	/*
+	 * Note: Some cores are still in reset when the chip starts, so
+	 * take them out of reset
+	 */
+	mtsdr(SDR0_SRST, 0);
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+#ifdef CFG_ENV_IS_IN_FLASH
+	/* Monitor protection ON by default */
+	flash_protect(FLAG_PROTECT_SET,
+		      -CFG_MONITOR_LEN,
+		      0xffffffff,
+		      &flash_info[0]);
+#endif
+
+	return 0;
+}
+
+int checkboard (void)
+{
+	char *s = getenv("serial#");
+
+	printf("Board: Makalu - AMCC PPC405EX Evaluation Board");
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return (0);
+}
+
+/*************************************************************************
+ *  pci_pre_init
+ *
+ *  This routine is called just prior to registering the hose and gives
+ *  the board the opportunity to check things. Returning a value of zero
+ *  indicates that things are bad & PCI initialization should be aborted.
+ *
+ *      Different boards may wish to customize the pci controller structure
+ *      (add regions, override default access routines, etc) or perform
+ *      certain pre-initialization actions.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI)
+int pci_pre_init(struct pci_controller * hose )
+{
+	return 0;
+}
+#endif  /* defined(CONFIG_PCI) */
+
+/*************************************************************************
+ *  pci_target_init
+ *
+ *      The bootstrap configuration provides default settings for the pci
+ *      inbound map (PIM). But the bootstrap config choices are limited and
+ *      may not be sufficient for a given board.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
+void pci_target_init(struct pci_controller * hose )
+{
+	/*-------------------------------------------------------------------+
+	 * 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) */
+
+#ifdef CONFIG_PCI
+static struct pci_controller pcie_hose[2] = {{0},{0}};
+
+void pcie_setup_hoses(int busno)
+{
+	struct pci_controller *hose;
+	int i, bus;
+	int ret = 0;
+	bus = busno;
+	char *env;
+	unsigned int delay;
+
+	for (i = 0; i < 2; i++) {
+
+		if (is_end_point(i)) {
+			printf("PCIE%d: will be configured as endpoint\n", i);
+			ret = ppc4xx_init_pcie_endport(i);
+		} else {
+			printf("PCIE%d: will be configured as root-complex\n", i);
+			ret = ppc4xx_init_pcie_rootport(i);
+		}
+		if (ret) {
+			printf("PCIE%d: initialization failed\n", i);
+			continue;
+		}
+
+		hose = &pcie_hose[i];
+		hose->first_busno = bus;
+		hose->last_busno = bus;
+		hose->current_busno = bus;
+
+		/* setup mem resource */
+		pci_set_region(hose->regions + 0,
+			       CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
+			       CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
+			       CFG_PCIE_MEMSIZE,
+			       PCI_REGION_MEM);
+		hose->region_count = 1;
+		pci_register_hose(hose);
+
+		if (is_end_point(i)) {
+		    	ppc4xx_setup_pcie_endpoint(hose, i);
+			/*
+			 * Reson for no scanning is endpoint can not generate
+			 * upstream configuration accesses.
+		    	 */
+		} else {
+		    	ppc4xx_setup_pcie_rootpoint(hose, i);
+			env = getenv ("pciscandelay");
+		    	if (env != NULL) {
+			    	delay = simple_strtoul(env, NULL, 10);
+				if (delay > 5)
+				    	printf("Warning, expect noticable delay before "
+					       "PCIe scan due to 'pciscandelay' value!\n");
+				mdelay(delay * 1000);
+			}
+
+		    	/*
+		     	 * Config access can only go down stream
+		     	 */
+		    	hose->last_busno = pci_hose_scan(hose);
+		    	bus = hose->last_busno + 1;
+		}
+	}
+}
+#endif
+
+#if defined(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 0;	/* No hotkeys supported */
+}
+#endif /* CONFIG_POST */
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+	u32 val[4];
+	int rc;
+
+	ft_cpu_setup(blob, bd);
+
+	/* Fixup NOR mapping */
+	val[0] = 0;				/* chip select number */
+	val[1] = 0;				/* always 0 */
+	val[2] = gd->bd->bi_flashstart;
+	val[3] = gd->bd->bi_flashsize;
+	rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
+				  val, sizeof(val), 1);
+	if (rc)
+		printf("Unable to update property NOR mapping, err=%s\n",
+		       fdt_strerror(rc));
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
diff --git a/board/amcc/makalu/memory.c b/board/amcc/makalu/memory.c
new file mode 100644
index 0000000..b03b60b
--- /dev/null
+++ b/board/amcc/makalu/memory.c
@@ -0,0 +1,188 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+
+void sdram_init(void)
+{
+	return;
+}
+
+long int initdram(int board_type)
+{
+	/*
+	 * Same as on Kilauea, Makalu generates exception 0x200
+	 * (machine check) after trap_init() in board_init_f,
+	 * when SDRAM is initialized here (late) and d-cache is
+	 * used earlier as INIT_RAM.
+	 * So for now, initialize DDR2 in init.S very early and
+	 * also use it for INIT_RAM. Then this exception doesn't
+	 * occur.
+	 */
+#if 0
+	u32 val;
+
+	/* base=00000000, size=128MByte (5), mode=2 (n*10*4) */
+	mtsdram(SDRAM_MB0CF, 0x00005201);
+
+	/* SET SDRAM_MB1CF - Not enabled */
+	mtsdram(SDRAM_MB1CF, 0x00000000);
+
+	/* SET SDRAM_MB2CF  - Not enabled */
+	mtsdram(SDRAM_MB2CF, 0x00000000);
+
+	/* SET SDRAM_MB3CF  - Not enabled */
+	mtsdram(SDRAM_MB3CF, 0x00000000);
+
+	/* SDRAM_CLKTR: Adv Addr clock by 90 deg */
+	mtsdram(SDRAM_CLKTR, 0x80000000);
+
+	/* Refresh Time register (0x30) Refresh every 7.8125uS */
+	mtsdram(SDRAM_RTR, 0x06180000);
+
+	/* SDRAM_SDTR1 */
+	mtsdram(SDRAM_SDTR1, 0x80201000);
+
+	/* SDRAM_SDTR2	*/
+	mtsdram(SDRAM_SDTR2, 0x32204232);
+
+	/* SDRAM_SDTR3	*/
+	mtsdram(SDRAM_SDTR3, 0x080b0d1a);
+
+	mtsdram(SDRAM_MMODE, 0x00000442);
+	mtsdram(SDRAM_MEMODE, 0x00000404);
+
+	/* SDRAM0_MCOPT1 (0X20) No ECC Gen */
+	mtsdram(SDRAM_MCOPT1, 0x04322000);
+
+	/* NOP */
+	mtsdram(SDRAM_INITPLR0, 0xa8380000);
+	/* precharge 3 DDR clock cycle */
+	mtsdram(SDRAM_INITPLR1, 0x81900400);
+	/* EMR2 twr = 2tck */
+	mtsdram(SDRAM_INITPLR2, 0x81020000);
+	/* EMR3  twr = 2tck */
+	mtsdram(SDRAM_INITPLR3, 0x81030000);
+	/* EMR DLL ENABLE twr = 2tck */
+	mtsdram(SDRAM_INITPLR4, 0x81010404);
+	/* MR w/ DLL reset
+	 * Note: 5 is CL.  May need to be changed
+	 */
+	mtsdram(SDRAM_INITPLR5, 0x81000542);
+	/* precharge 3 DDR clock cycle */
+	mtsdram(SDRAM_INITPLR6, 0x81900400);
+	/* Auto-refresh trfc = 26tck */
+	mtsdram(SDRAM_INITPLR7, 0x8D080000);
+	/* Auto-refresh trfc = 26tck */
+	mtsdram(SDRAM_INITPLR8, 0x8D080000);
+	/* Auto-refresh */
+	mtsdram(SDRAM_INITPLR9, 0x8D080000);
+	/* Auto-refresh */
+	mtsdram(SDRAM_INITPLR10, 0x8D080000);
+	/* MRS - normal operation; wait 2 cycle (set wait to tMRD) */
+	mtsdram(SDRAM_INITPLR11, 0x81000442);
+	mtsdram(SDRAM_INITPLR12, 0x81010780);
+	mtsdram(SDRAM_INITPLR13, 0x81010400);
+	mtsdram(SDRAM_INITPLR14, 0x00000000);
+	mtsdram(SDRAM_INITPLR15, 0x00000000);
+
+	/* SET MCIF0_CODT   Die Termination On */
+	mtsdram(SDRAM_CODT, 0x0080f837);
+	mtsdram(SDRAM_MODT0, 0x01800000);
+	mtsdram(SDRAM_MODT1, 0x00000000);
+
+	mtsdram(SDRAM_WRDTR, 0x00000000);
+
+	/* SDRAM0_MCOPT2 (0X21) Start initialization */
+	mtsdram(SDRAM_MCOPT2, 0x20000000);
+
+	/* Step 5 */
+	do {
+		mfsdram(SDRAM_MCSTAT, val);
+	} while ((val & SDRAM_MCSTAT_MIC_COMP) != SDRAM_MCSTAT_MIC_COMP);
+
+	/* Step 6 */
+
+	/* SDRAM_DLCR */
+	mtsdram(SDRAM_DLCR, 0x030000a5);
+
+	/* SDRAM_RDCC */
+	mtsdram(SDRAM_RDCC, 0x40000000);
+
+	/* SDRAM_RQDC */
+	mtsdram(SDRAM_RQDC, 0x80000038);
+
+	/* SDRAM_RFDC */
+	mtsdram(SDRAM_RFDC, 0x00000209);
+
+	/* Enable memory controller */
+	mfsdram(SDRAM_MCOPT2, val);
+	val |= SDRAM_MCOPT2_DCEN_ENABLE;
+	mtsdram(SDRAM_MCOPT2, val);
+#endif
+	return (CFG_MBYTES_SDRAM << 20);
+}
+
+#if defined(CFG_DRAM_TEST)
+int testdram (void)
+{
+    printf ("testdram\n");
+#if defined (CONFIG_NAND_U_BOOT)
+    return 0;
+#endif
+	uint *pstart = (uint *) 0x00000000;
+	uint *pend = (uint *) 0x00001000;
+	uint *p;
+
+	for (p = pstart; p < pend; p++) {
+		*p = 0xaaaaaaaa;
+	}
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0xaaaaaaaa) {
+#if !defined (CONFIG_NAND_SPL)
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+#endif
+			return 1;
+		}
+	}
+
+	for (p = pstart; p < pend; p++) {
+		*p = 0x55555555;
+	}
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0x55555555) {
+#if !defined (CONFIG_NAND_SPL)
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+#endif
+			return 1;
+		}
+	}
+#if !defined (CONFIG_NAND_SPL)
+	printf ("SDRAM test passed!!!\n");
+#endif
+	return 0;
+}
+#endif
diff --git a/board/amcc/makalu/u-boot.lds b/board/amcc/makalu/u-boot.lds
new file mode 100644
index 0000000..390b3f3
--- /dev/null
+++ b/board/amcc/makalu/u-boot.lds
@@ -0,0 +1,137 @@
+/*
+ * (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
+{
+/* To compile successfully, uncomment the following section.
+ * To go in ram, remove the section.
+ * Added by SunHe.
+ */
+  .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      :
+  {
+    cpu/ppc4xx/start.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 = .);
+}