Merge with http://opensource.freescale.com/pub/scm/u-boot-7448hpc2.git

6 files changed, 1906 insertions, 0 deletions

diff --git a/board/mpc7448hpc2/Makefile b/board/mpc7448hpc2/Makefile
new file mode 100644
index 0000000..e3d757d
--- /dev/null
+++ b/board/mpc7448hpc2/Makefile
@@ -0,0 +1,52 @@
+#
+# (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	= $(obj)lib$(BOARD).a
+
+COBJS	:= $(BOARD).o tsi108_init.o
+SOBJS	:= asm_init.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+.PHONY: distclean
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude ($obj).depend
+
+#########################################################################
diff --git a/board/mpc7448hpc2/asm_init.S b/board/mpc7448hpc2/asm_init.S
new file mode 100644
index 0000000..a7a40a1
--- /dev/null
+++ b/board/mpc7448hpc2/asm_init.S
@@ -0,0 +1,918 @@
+/*
+ * (C) Copyright 2004-05;  Tundra Semiconductor Corp.
+ *
+ * Added automatic detect of SDC settings
+ * Copyright (c) 2005 Freescale Semiconductor, Inc.
+ * Maintainer tie-fei.zang@freescale.com
+ *
+ * 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
+ */
+
+/*
+ * FILENAME: asm_init.s
+ *
+ * Originator: Alex Bounine
+ *
+ * DESCRIPTION:
+ * Initialization code for the Tundra Tsi108 bridge chip
+ *
+ */
+
+#include <config.h>
+#include <version.h>
+
+#include <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/processor.h>
+
+#include <tsi108.h>
+
+/*
+ * Build Configuration Options
+ */
+
+/* #define DISABLE_PBM		disables usage of PB Master */
+/* #define SDC_HARDCODED_INIT	config SDRAM controller with hardcoded values */
+/* #define SDC_AUTOPRECH_EN	enable SDRAM auto precharge */
+
+/*
+ * Hardcoded SDC settings
+ */
+
+#ifdef SDC_HARDCODED_INIT
+
+/* Micron MT9HTF6472AY-40EA1 : Unbuffered, 512MB, 400, CL3, Single Rank */
+
+#define VAL_SD_REFRESH	(0x61A)
+#define VAL_SD_TIMING	(0x0308336b)
+#define VAL_SD_D0_CTRL	(0x07100021)	/* auto-precharge disabled */
+#define VAL_SD_D0_BAR	(0x0FE00000)	/* 512MB @ 0x00000000 */
+#define VAL_SD_D1_CTRL	(0x07100021)	/* auto-precharge disabled */
+#define VAL_SD_D1_BAR	(0x0FE00200)	/* 512MB @ 0x20000000 */
+
+#endif /* SDC_HARDCODED_INIT */
+
+/*
+ CPU Configuration:
+
+ CPU Address and Data Parity enables.
+
+#define CPU_AP
+#define CPU_DP
+*/
+
+/*
+ * Macros
+ * !!! Attention !!! Macros LOAD_PTR, LOAD_U32 and LOAD_MEM defined below are
+ * expected to work correctly for the CSR space within 32KB range.
+ *
+ * LOAD_PTR and LOAD_U32 - load specified register with a 32 bit constant.
+ * These macros are absolutely identical except their names. This difference
+ * is provided intentionally for better readable code.
+ */
+
+#define LOAD_PTR(reg,const32) \
+	addis reg,r0,const32@h; ori reg,reg,const32@l
+
+#define LOAD_U32(reg,const32) \
+	addis reg,r0,const32@h; ori reg,reg,const32@l
+
+/* LOADMEM initializes a register with the contents of a specified 32-bit
+ * memory location, usually a CSR value.
+ */
+
+#define LOAD_MEM(reg,addr32) \
+	addis reg,r0,addr32@ha; lwz reg,addr32@l(reg)
+
+#ifndef SDC_HARDCODED_INIT
+sdc_clk_sync:
+	/* MHz: 0,0,183,100,133,167,200,233 */
+	.long	0, 0, 6, 10, 8, 6, 5, 4		/* nSec */
+#endif
+
+/*
+ * board_asm_init() - early initialization function. Coded to be portable to
+ * dual-CPU configuration.
+ * Checks CPU number and performs board HW initialization if called for CPU0.
+ * Registers used: r3,r4,r5,r6,r19,r29
+ *
+ * NOTE: For dual-CPU configuration only CPU0 is allowed to configure Tsi108
+ * and the rest of the board. Current implementation demonstrates two
+ * possible ways to identify CPU number:
+ * - for MPC74xx platform: uses MSSCR0[ID] bit as defined in UM.
+ * - for PPC750FX/GX boards: uses WHO_AM_I bit reported by Tsi108.
+ */
+
+	.globl board_asm_init
+board_asm_init:
+	mflr	r19	/* Save LR to be able return later. */
+	bl	icache_enable	/* Enable icache to reduce reads from flash. */
+
+/* Initialize pointer to Tsi108 register space */
+
+	LOAD_PTR(r29,CFG_TSI108_CSR_RST_BASE)/* r29 - pointer to tsi108 CSR space */
+	ori r4,r29,TSI108_PB_REG_OFFSET
+
+/* Check Processor Version Number */
+
+	mfspr	r3, PVR
+	rlwinm	r3,r3,16,16,23	/* get ((Processor Version Number) & 0xFF00) */
+
+	cmpli	0,0,r3,0x8000	/* MPC74xx */
+	bne	cont_brd_init
+
+	/*
+	 * For MPC744x/5x enable extended BATs[4-7]
+	 * Sri: Set HIGH_BAT_EN and XBSEN, and SPD =1
+	 * to disable prefetch
+	 */
+
+	mfspr	r5, HID0
+	oris	r5, r5, 0x0080	/* Set HID0[HIGH_BAT_EN] bit #8 */
+	ori	r5, r5, 0x0380	/* Set SPD,XBSEN,SGE bits #22,23,24 */
+	mtspr	HID0, r5
+	isync
+	sync
+
+	/* Adding code to disable external interventions in MPX bus mode */
+	mfspr	r3, 1014
+	oris	r3, r3, 0x0100	/* Set the EIDIS bit in MSSCR0:  bit 7 */
+	mtspr	1014, r3
+	isync
+	sync
+
+	/* Sri: code to enable FP unit */
+	mfmsr	r3
+	ori	r3, r3, 0x2000
+	mtmsr	r3
+	isync
+	sync
+
+	/* def CONFIG_DUAL_CPU
+	 * For MPC74xx processor, use MSSCR0[ID] bit to identify CPU number.
+	 */
+#if(1)
+	mfspr	r3,1014		/* read MSSCR0 */
+	rlwinm.	r3,r3,27,31,31	/* get processor ID number */
+	mtspr	SPRN_PIR,r3	/* Save CPU ID */
+	sync
+	bne	init_done
+	b	do_tsi108_init
+
+cont_brd_init:
+
+	/* An alternative method of checking the processor number (in addition
+	 * to configuration using MSSCR0[ID] bit on MPC74xx).
+	 * Good for IBM PPC750FX/GX.
+	 */
+
+	lwz	r3,PB_BUS_MS_SELECT(r4)	/* read PB_ID register */
+	rlwinm.	r3,r3,24,31,31		/* get processor ID number */
+	bne init_done
+#else
+
+cont_brd_init:
+
+#endif /* CONFIG_DUAL_CPU */
+
+	/* Initialize Tsi108 chip */
+
+do_tsi108_init:
+
+	/*
+	 * Adjust HLP/Flash parameters. By default after reset the HLP port is
+	 * set to support slow devices. Better performance can be achived when
+	 * an optimal parameters are used for specific EPROM device.
+	 * NOTE: This should be performed ASAP for the emulation platform
+	 * because it has 5MHz HLP clocking.
+	 */
+
+#ifdef CONFIG_TSI108EMU
+	ori	r4,r29,TSI108_HLP_REG_OFFSET
+	LOAD_U32(r5,0x434422c0)
+	stw	r5,0x08(r4)	/* set HLP B0_CTRL0 */
+	sync
+	LOAD_U32(r5,0xd0012000)
+	stw	r5,0x0c(r4)		/* set HLP B0_CTRL1 */
+	sync
+#endif
+
+	/* Initialize PB interface. */
+
+	ori r4,r29,TSI108_PB_REG_OFFSET
+
+#if (CFG_TSI108_CSR_BASE != CFG_TSI108_CSR_RST_BASE)
+	/* Relocate (if required) Tsi108 registers. Set new value for
+	 * PB_REG_BAR:
+	 * Note we are in the 32-bit address mode.
+	 */
+	LOAD_U32(r5,(CFG_TSI108_CSR_BASE | 0x01)) /* PB_REG_BAR: BA + EN */
+	stw	r5,PB_REG_BAR(r4)
+	andis.	r29,r5,0xFFFF
+	sync
+	ori	r4,r29,TSI108_PB_REG_OFFSET
+#endif
+
+	/* Set PB Slave configuration register */
+
+	LOAD_U32(r5,0x00002481)	/* PB_SCR: TEA enabled,AACK delay = 1 */
+	lwz	r3, PB_RSR(r4)	/* get PB bus mode */
+	xori	r3,r3,0x0001	/* mask PB_BMODE: r3 -> (0 = 60X, 1 = MPX) */
+	rlwimi  r5,r3,14,17,17	/* for MPX: set DTI_MODE bit */
+	stw	r5,PB_SCR(r4)
+	sync
+
+	/* Configure PB Arbiter */
+
+	lwz	r5,PB_ARB_CTRL(r4)	/* Read PB Arbiter Control Register */
+	li	r3, 0x00F0		/* ARB_PIPELINE_DEP mask */
+#ifdef DISABLE_PBM
+	ori	r3,r3,0x1000	/* add PBM_EN to clear (enabled by default) */
+#endif
+	andc	r5,r5,r3	/* Clear the masked bit fields */
+	ori	r5,r5,0x0001	/* Set pipeline depth */
+	stw	r5,PB_ARB_CTRL(r4)
+
+#if (0)	/* currently using the default settings for PBM after reset */
+	LOAD_U32(r5,0x)		/* value for PB_MCR */
+	stw	r5,PB_MCR(r4)
+	sync
+
+	LOAD_U32(r5,0x)		/* value for PB_MCMD */
+	stw	r5,PB_MCMD(r4)
+	sync
+#endif
+
+	/* Disable or enable PVT based on processor bus frequency
+	 * 1. Read CG_PWRUP_STATUS register field bits 18,17,16
+	 * 2. See if the value is < or > 133mhz (18:16 = 100)
+	 * 3. If > enable PVT
+	 */
+
+	LOAD_U32(r3,0xC0002234)
+	lwz	r3,0(r3)
+	rlwinm	r3,r3,16,29,31
+
+	cmpi	0,0,r3,0x0004
+	bgt	sdc_init
+
+#ifndef CONFIG_TSI108EMU
+	/* FIXME: Disable PB calibration control for any real Tsi108 board */
+	li	r5,0x0101	/* disable calibration control */
+	stw	r5,PB_PVT_CTRL2(r4)
+	sync
+#endif
+
+	/* Initialize SDRAM controller. */
+
+sdc_init:
+
+#ifndef SDC_HARDCODED_INIT
+	/* get SDC clock prior doing sdram controller autoconfig */
+	ori	r4,r29,TSI108_CLK_REG_OFFSET	/* r4 - ptr to CG registers */
+	lwz	r3, CG_PWRUP_STATUS(r4)		/* get CG configuration */
+	rlwinm	r3,r3,12,29,31			/* r3 - SD clk */
+	lis	r5,sdc_clk_sync@h
+	ori	r5,r5,sdc_clk_sync@l
+	/* Sri:  At this point check if r3 = 001. If yes,
+	 * the memory frequency should be same as the
+	 * MPX bus frequency
+	 */
+	cmpi	0,0,r3,0x0001
+	bne	get_nsec
+	lwz	r6, CG_PWRUP_STATUS(r4)
+	rlwinm	r6,r6,16,29,31
+	mr	r3,r6
+
+get_nsec:
+	rlwinm	r3,r3,2,0,31
+	lwzx	r9,r5,r3	/* get SD clk rate in nSec */
+	/* ATTN: r9 will be used by SPD routine */
+#endif /* !SDC_HARDCODED_INIT */
+
+	ori	r4,r29,TSI108_SD_REG_OFFSET /* r4 - ptr to SDRAM registers */
+
+	/* Initialize SDRAM controller. SDRAM Size = 512MB, One DIMM. */
+
+	LOAD_U32(r5,0x00)
+	stw	r5,SD_INT_ENABLE(r4) /* Ensure that interrupts are disabled */
+#ifdef ENABLE_SDRAM_ECC
+	li	r5, 0x01
+#endif /* ENABLE_SDRAM_ECC */
+	stw	r5,SD_ECC_CTRL(r4)	/* Enable/Disable ECC */
+	sync
+
+#ifdef SDC_HARDCODED_INIT /* config sdram controller with hardcoded values */
+
+	/* First read the CG_PWRUP_STATUS register to get the
+	 * memory speed from bits 22,21,20
+	 */
+
+	LOAD_U32(r3,0xC0002234)
+	lwz	r3,0(r3)
+	rlwinm	r3,r3,12,29,31
+
+	/* Now first check for 166, then 200, or default */
+
+	cmpi	0,0,r3,0x0005
+	bne	check_for_200mhz
+
+	/* set values for 166 Mhz memory speed
+	 * Set refresh rate and timing parameters
+	 */
+	LOAD_U32(r5,0x00000515)
+	stw	r5,SD_REFRESH(r4)
+	LOAD_U32(r5,0x03073368)
+	stw	r5,SD_TIMING(r4)
+	sync
+
+	/* Initialize DIMM0 control and BAR registers */
+	LOAD_U32(r5,VAL_SD_D0_CTRL)	/* auto-precharge disabled */
+#ifdef SDC_AUTOPRECH_EN
+	oris	r5,r5,0x0001		/* set auto precharge EN bit */
+#endif
+	stw	r5,SD_D0_CTRL(r4)
+	LOAD_U32(r5,VAL_SD_D0_BAR)
+	stw	r5,SD_D0_BAR(r4)
+	sync
+
+	/* Initialize DIMM1 control and BAR registers
+	 * (same as dimm 0, next 512MB, disabled)
+	 */
+	LOAD_U32(r5,VAL_SD_D1_CTRL)	/* auto-precharge disabled */
+#ifdef SDC_AUTOPRECH_EN
+	oris	r5,r5,0x0001	/* set auto precharge EN bit */
+#endif
+	stw	r5,SD_D1_CTRL(r4)
+	LOAD_U32(r5,VAL_SD_D1_BAR)
+	stw	r5,SD_D1_BAR(r4)
+	sync
+
+	b	sdc_init_done
+
+check_for_200mhz:
+
+	cmpi	0,0,r3,0x0006
+	bne	set_default_values
+
+	/* set values for 200Mhz memory speed
+	 * Set refresh rate and timing parameters
+	 */
+	LOAD_U32(r5,0x0000061a)
+	stw	r5,SD_REFRESH(r4)
+	LOAD_U32(r5,0x03083348)
+	stw	r5,SD_TIMING(r4)
+	sync
+
+	/* Initialize DIMM0 control and BAR registers */
+	LOAD_U32(r5,VAL_SD_D0_CTRL)	/* auto-precharge disabled */
+#ifdef SDC_AUTOPRECH_EN
+	oris	r5,r5,0x0001		/* set auto precharge EN bit */
+#endif
+	stw	r5,SD_D0_CTRL(r4)
+	LOAD_U32(r5,VAL_SD_D0_BAR)
+	stw	r5,SD_D0_BAR(r4)
+	sync
+
+	/* Initialize DIMM1 control and BAR registers
+	 * (same as dimm 0, next 512MB, disabled)
+	 */
+	LOAD_U32(r5,VAL_SD_D1_CTRL)	/* auto-precharge disabled */
+#ifdef SDC_AUTOPRECH_EN
+	oris	r5,r5,0x0001		/* set auto precharge EN bit */
+#endif
+	stw	r5,SD_D1_CTRL(r4)
+	LOAD_U32(r5,VAL_SD_D1_BAR)
+	stw	r5,SD_D1_BAR(r4)
+	sync
+
+	b	sdc_init_done
+
+set_default_values:
+
+	/* Set refresh rate and timing parameters */
+	LOAD_U32(r5,VAL_SD_REFRESH)
+	stw	r5,SD_REFRESH(r4)
+	LOAD_U32(r5,VAL_SD_TIMING)
+	stw	r5,SD_TIMING(r4)
+	sync
+
+	/* Initialize DIMM0 control and BAR registers */
+	LOAD_U32(r5,VAL_SD_D0_CTRL)	/* auto-precharge disabled */
+#ifdef SDC_AUTOPRECH_EN
+	oris	r5,r5,0x0001		/* set auto precharge EN bit */
+#endif
+	stw 	r5,SD_D0_CTRL(r4)
+	LOAD_U32(r5,VAL_SD_D0_BAR)
+	stw	r5,SD_D0_BAR(r4)
+	sync
+
+	/* Initialize DIMM1 control and BAR registers
+	 * (same as dimm 0, next 512MB, disabled)
+	 */
+	LOAD_U32(r5,VAL_SD_D1_CTRL)	/* auto-precharge disabled */
+#ifdef SDC_AUTOPRECH_EN
+	oris	r5,r5,0x0001		/* set auto precharge EN bit */
+#endif
+	stw	r5,SD_D1_CTRL(r4)
+	LOAD_U32(r5,VAL_SD_D1_BAR)
+	stw	r5,SD_D1_BAR(r4)
+	sync
+#else /* !SDC_HARDCODED_INIT */
+	bl	tsi108_sdram_spd	/* automatically detect SDC settings */
+#endif /* SDC_HARDCODED_INIT */
+
+sdc_init_done:
+
+#ifdef DISABLE_PBM
+	LOAD_U32(r5,0x00000030)		/* PB_EN + OCN_EN */
+#else
+	LOAD_U32(r5,0x00000230)		/* PB_EN + OCN_EN + PB/OCN=80/20 */
+#endif /* DISABLE_PBM */
+
+#ifdef CONFIG_TSI108EMU
+	oris	r5,r5,0x0010		/* set EMULATION_MODE bit */
+#endif
+
+	stw	r5,SD_CTRL(r4)
+	eieio
+	sync
+
+	/* Enable SDRAM access */
+
+	oris	r5,r5,0x8000		/* start SDC: set SD_CTRL[ENABLE] bit */
+	stw	r5,SD_CTRL(r4)
+	sync
+
+wait_init_complete:
+	lwz	r5,SD_STATUS(r4)
+	andi.	r5,r5,0x0001
+	/* wait until SDRAM initialization is complete */
+	beq	wait_init_complete
+
+	/* Map SDRAM into the processor bus address space */
+
+	ori	r4,r29,TSI108_PB_REG_OFFSET
+
+	/* Setup BARs associated with direct path PB<->SDRAM */
+
+	/* PB_SDRAM_BAR1:
+	 * provides a direct path to the main system memory (cacheable SDRAM)
+	 */
+
+	/* BA=0,Size=512MB, ENable, No Addr.Translation */
+	LOAD_U32(r5, 0x00000011)
+	stw	r5,PB_SDRAM_BAR1(r4)
+	sync
+
+	/* Make sure that PB_SDRAM_BAR1 decoder is set
+	 * (to allow following immediate read from SDRAM)
+	 */
+	lwz	r5,PB_SDRAM_BAR1(r4)
+	sync
+
+	/* PB_SDRAM_BAR2:
+	 * provides non-cacheable alias (via the direct path) to main
+	 * system memory.
+	 * Size = 512MB, ENable, Addr.Translation - ON,
+	 * BA = 0x0_40000000, TA = 0x0_00000000
+	 */
+
+	LOAD_U32(r5, 0x40010011)
+	stw	r5,PB_SDRAM_BAR2(r4)
+	sync
+
+	/* Make sure that PB_SDRAM_BAR2 decoder is set
+	 * (to allow following immediate read from SDRAM)
+	 */
+	lwz	r5,PB_SDRAM_BAR2(r4)
+	sync
+
+init_done:
+
+	/* All done. Restore LR and return. */
+	mtlr	r19
+	blr
+
+#if (0)
+	/*
+	 * init_cpu1
+	 * This routine enables CPU1 on the dual-processor system.
+	 * Now there is only one processor in the system
+	 */
+
+	.global enable_cpu1
+enable_cpu1:
+
+	lis	r3,Tsi108_Base@ha	/* Get Grendel CSR Base Addr */
+	addi	r3,r3,Tsi108_Base@l
+	lwz	r3,0(r3)		/* R3 = CSR Base Addr */
+	ori	r4,r3,TSI108_PB_REG_OFFSET
+	lwz	r3,PB_ARB_CTRL(r4)	/* Read PB Arbiter Control Register */
+	ori	r3,r3,0x0200		/* Set M1_EN bit */
+	stw	r3,PB_ARB_CTRL(r4)
+
+	blr
+#endif
+
+	/*
+	 * enable_EI
+	 * Enable CPU core external interrupt
+	 */
+
+	.global	enable_EI
+enable_EI:
+	mfmsr	r3
+	ori	r3,r3,0x8000	/* set EE bit */
+	mtmsr	r3
+	blr
+
+	/*
+	 * disable_EI
+	 * Disable CPU core external interrupt
+	 */
+
+	.global disable_EI
+disable_EI:
+	mfmsr	r3
+	li	r4,-32768	/* aka "li  r4,0x8000" */
+	andc	r3,r3,r4	/* clear EE bit */
+	mtmsr	r3
+	blr
+
+#ifdef ENABLE_SDRAM_ECC
+	/* enables SDRAM ECC  */
+
+	.global	enable_ECC
+enable_ECC:
+	ori	r4,r29,TSI108_SD_REG_OFFSET
+	lwz	r3,SD_ECC_CTRL(r4)	/* Read SDRAM ECC Control Register */
+	ori	r3,r3,0x0001		/* Set ECC_EN bit */
+	stw	r3,SD_ECC_CTRL(r4)
+	blr
+
+	/*
+	 * clear_ECC_err
+	 * Clears all pending SDRAM ECC errors
+	 * (normally after SDRAM scrubbing/initialization)
+	 */
+
+	.global	clear_ECC_err
+clear_ECC_err:
+	ori r4,r29,TSI108_SD_REG_OFFSET
+	ori r3,r0,0x0030	/* ECC_UE_INT + ECC_CE_INT bits */
+	stw r3,SD_INT_STATUS(r4)
+	blr
+
+#endif /* ENABLE_SDRAM_ECC */
+
+#ifndef SDC_HARDCODED_INIT
+
+	/* SDRAM SPD Support */
+#define	SD_I2C_CTRL1	(0x400)
+#define	SD_I2C_CTRL2	(0x404)
+#define SD_I2C_RD_DATA	(0x408)
+#define SD_I2C_WR_DATA	(0x40C)
+
+	/*
+	 * SDRAM SPD Support Macros
+	 */
+
+#define SPD_DIMM0	(0x00000100)
+#define SPD_DIMM1	(0x00000200)	/* SPD_DIMM1 was 0x00000000 */
+
+#define SPD_RDIMM			(0x01)
+#define SPD_UDIMM			(0x02)
+
+#define SPD_CAS_3			0x8
+#define SPD_CAS_4			0x10
+#define SPD_CAS_5			0x20
+
+#define ERR_NO_DIMM_FOUND		(0xdb0)
+#define ERR_TRAS_FAIL			(0xdb1)
+#define ERR_TRCD_FAIL			(0xdb2)
+#define ERR_TRP_FAIL			(0xdb3)
+#define ERR_TWR_FAIL			(0xdb4)
+#define ERR_UNKNOWN_PART		(0xdb5)
+#define ERR_NRANK_INVALID		(0xdb6)
+#define ERR_DIMM_SIZE			(0xdb7)
+#define ERR_ADDR_MODE			(0xdb8)
+#define ERR_RFRSH_RATE			(0xdb9)
+#define ERR_DIMM_TYPE			(0xdba)
+#define ERR_CL_VALUE			(0xdbb)
+#define ERR_TRFC_FAIL			(0xdbc)
+
+/* READ_SPD requirements:
+ * byte - byte address in SPD device (0 - 255)
+ * r3 = will return data read from I2C Byte location
+ * r4 - unchanged (SDC base addr)
+ * r5 - clobbered in routine (I2C status)
+ * r10 - number of DDR slot where first SPD device is detected
+ */
+
+#define READ_SPD(byte_num)		\
+	addis	r3, 0, byte_num@l;	\
+	or	r3, r3, r10;		\
+	ori	r3, r3, 0x0A;		\
+	stw	r3, SD_I2C_CTRL1(r4);	\
+	li	r3, I2C_CNTRL2_START;	\
+	stw	r3, SD_I2C_CTRL2(r4);	\
+	eieio;				\
+	sync;				\
+	li	r3, 0x100;		\
+1:;					\
+	addic.	r3, r3, -1;		\
+	bne	1b;			\
+2:;					\
+	lwz	r5, SD_I2C_CTRL2(r4);	\
+	rlwinm.	r3,r5,0,23,23;		\
+	bne	2b;			\
+	rlwinm.	r3,r5,0,3,3;		\
+	lwz	r3,SD_I2C_RD_DATA(r4)
+
+#define SPD_MIN_RFRSH	(0x80)
+#define SPD_MAX_RFRSH	(0x85)
+
+refresh_rates:	/* in nSec */
+	.long	15625	/* Normal (0x80) */
+	.long	3900	/* Reduced 0.25x (0x81) */
+	.long	7800	/* Reduced 0.5x (0x82) */
+	.long	31300	/* Extended 2x (0x83) */
+	.long	62500	/* Extended 4x (0x84) */
+	.long	125000	/* Extended 8x (0x85) */
+
+/*
+ * tsi108_sdram_spd
+ *
+ * Inittializes SDRAM Controller using DDR2 DIMM Serial Presence Detect data
+ * Uses registers: r4 - SDC base address (not changed)
+ *				   r9 - SDC clocking period in nSec
+ * Changes registers: r3,r5,r6,r7,r8,r10,r11
+ */
+
+tsi108_sdram_spd:
+
+	li	r10,SPD_DIMM0
+	xor	r11,r11,r11		/* DIMM Base Address: starts from 0 */
+
+do_first_dimm:
+
+	/* Program Refresh Rate	Register */
+
+	READ_SPD(12)			/* get Refresh Rate */
+	beq	check_next_slot
+	li	r5, ERR_RFRSH_RATE
+	cmpi	0,0,r3,SPD_MIN_RFRSH
+	ble	spd_fail
+	cmpi	0,0,r3,SPD_MAX_RFRSH
+	bgt	spd_fail
+	addi	r3,r3,-SPD_MIN_RFRSH
+	rlwinm	r3,r3,2,0,31
+	lis	r5,refresh_rates@h
+	ori	r5,r5,refresh_rates@l
+	lwzx	r5,r5,r3		/* get refresh rate in nSec */
+	divwu	r5,r5,r9		/* calculate # of SDC clocks */
+	stw	r5,SD_REFRESH(r4)	/* Set refresh rate */
+	sync
+
+	/* Program SD Timing Register */
+
+	li	r7, 0		/* clear r7 prior parameter collection */
+
+	READ_SPD(20)		/* get DIMM type: Registered or Unbuffered */
+	beq	spd_read_fail
+	li	r5, ERR_DIMM_TYPE
+	cmpi	0,0,r3,SPD_UDIMM
+	beq	do_cl
+	cmpi	0,0,r3,SPD_RDIMM
+	bne	spd_fail
+	oris	r7,r7,0x1000	/* set SD_TIMING[DIMM_TYPE] bit */
+
+do_cl:
+	READ_SPD(18)		/* Get CAS Latency */
+	beq	spd_read_fail
+	li	r5,ERR_CL_VALUE
+	andi.	r6,r3,SPD_CAS_3
+	beq	cl_4
+	li	r6,3
+	b	set_cl
+cl_4:
+	andi.	r6,r3,SPD_CAS_4
+	beq	cl_5
+	li	r6,4
+	b	set_cl
+cl_5:
+	andi.	r6,r3,SPD_CAS_5
+	beq	spd_fail
+	li	r6,5
+set_cl:
+	rlwimi	r7,r6,24,5,7
+
+	READ_SPD(30)		/* Get tRAS */
+	beq	spd_read_fail
+	divwu	r6,r3,r9
+	mullw	r8,r6,r9
+	subf.	r8,r8,r3
+	beq	set_tras
+	addi	r6,r6,1
+set_tras:
+	li r5,ERR_TRAS_FAIL
+	cmpi	0,0,r6,0x0F	/* max supported value */
+	bgt	spd_fail
+	rlwimi	r7,r6,16,12,15
+
+	READ_SPD(29)	/* Get tRCD */
+	beq	spd_read_fail
+	/* right shift tRCD by 2 bits as per DDR2 spec */
+	rlwinm	r3,r3,30,2,31
+	divwu	r6,r3,r9
+	mullw	r8,r6,r9
+	subf.	r8,r8,r3
+	beq	set_trcd
+	addi	r6,r6,1
+set_trcd:
+	li	r5,ERR_TRCD_FAIL
+	cmpi	0,0,r6,0x07	/* max supported value */
+	bgt	spd_fail
+	rlwimi	r7,r6,12,17,19
+
+	READ_SPD(27)	/* Get tRP value */
+	beq	spd_read_fail
+	rlwinm	r3,r3,30,2,31	/* right shift tRP by 2 bits as per DDR2 spec */
+	divwu	r6,r3,r9
+	mullw	r8,r6,r9
+	subf.	r8,r8,r3
+	beq	set_trp
+	addi	r6,r6,1
+set_trp:
+	li	r5,ERR_TRP_FAIL
+	cmpi	0,0,r6,0x07	/* max supported value */
+	bgt	spd_fail
+	rlwimi	r7,r6,8,21,23
+
+	READ_SPD(36)	/* Get tWR value */
+	beq	spd_read_fail
+	rlwinm	r3,r3,30,2,31	/* right shift tWR by 2 bits as per DDR2 spec */
+	divwu	r6,r3,r9
+	mullw	r8,r6,r9
+	subf.	r8,r8,r3
+	beq	set_twr
+	addi	r6,r6,1
+set_twr:
+	addi	r6,r6,-1	/* Tsi108 SDC always gives one extra clock */
+	li	r5,ERR_TWR_FAIL
+	cmpi	0,0,r6,0x07	/* max supported value */
+	bgt	spd_fail
+	rlwimi	r7,r6,5,24,26
+
+	READ_SPD(42)	/* Get tRFC */
+	beq	spd_read_fail
+	li	r5, ERR_TRFC_FAIL
+	/* Tsi108 spec: tRFC=(tRFC + 1)/2 */
+	addi	r3,r3,1
+	rlwinm.	r3,r3,31,1,31	/* divide by 2 */
+	beq	spd_fail
+	divwu	r6,r3,r9
+	mullw	r8,r6,r9
+	subf.	r8,r8,r3
+	beq	set_trfc
+	addi	r6,r6,1
+set_trfc:
+	cmpi	0,0,r6,0x1F	/* max supported value */
+	bgt	spd_fail
+	rlwimi	r7,r6,0,27,31
+
+	stw	r7,SD_TIMING(r4)
+	sync
+
+	/*
+	 * The following two registers are set on per-DIMM basis.
+	 * The SD_REFRESH and SD_TIMING settings are common for both DIMMS
+	 */
+
+do_each_dimm:
+
+	/* Program SDRAM DIMM Control Register */
+
+	li	r7, 0		/* clear r7 prior parameter collection */
+
+	READ_SPD(13)		/* Get Primary SDRAM Width */
+	beq	spd_read_fail
+	cmpi	0,0,r3,4	/* Check for 4-bit SDRAM */
+	beq	do_nbank
+	oris	r7,r7,0x0010	/* Set MEM_WIDTH bit */
+
+do_nbank:
+	READ_SPD(17)		/* Get Number of banks on SDRAM device */
+	beq	spd_read_fail
+	/* Grendel only distinguish betw. 4 or 8-bank memory parts */
+	li	r5,ERR_UNKNOWN_PART	/* non-supported memory part */
+	cmpi	0,0,r3,4
+	beq	do_nrank
+	cmpi	0,0,r3,8
+	bne	spd_fail
+	ori	r7,r7,0x1000
+
+do_nrank:
+	READ_SPD(5)		/* Get # of Ranks */
+	beq	spd_read_fail
+	li	r5,ERR_NRANK_INVALID
+	andi.	r6,r3,0x7	/* Use bits [2..0] only */
+	beq	do_addr_mode
+	cmpi	0,0,r6,1
+	bgt	spd_fail
+	rlwimi	r7,r6,8,23,23
+
+do_addr_mode:
+	READ_SPD(4)		/* Get # of Column Addresses */
+	beq	spd_read_fail
+	li	r5, ERR_ADDR_MODE
+	andi.	r3,r3,0x0f	/* cut off reserved bits */
+	cmpi	0,0,r3,8
+	ble	spd_fail
+	cmpi	0,0,r3,15
+	bgt	spd_fail
+	addi	r6,r3,-8	/* calculate ADDR_MODE parameter */
+	rlwimi	r7,r6,4,24,27	/* set ADDR_MODE field */
+
+set_dimm_ctrl:
+#ifdef SDC_AUTOPRECH_EN
+	oris	r7,r7,0x0001	/* set auto precharge EN bit */
+#endif
+	ori	r7,r7,1		/* set ENABLE bit */
+	cmpi	0,0,r10,SPD_DIMM0
+	bne	1f
+	stw	r7,SD_D0_CTRL(r4)
+	sync
+	b	set_dimm_bar
+1:
+	stw	r7,SD_D1_CTRL(r4)
+	sync
+
+
+	/* Program SDRAM DIMMx Base Address Register */
+
+set_dimm_bar:
+	READ_SPD(5)		/* get # of Ranks */
+	beq	spd_read_fail
+	andi.	r7,r3,0x7
+	addi	r7,r7,1
+	READ_SPD(31)		/* Read DIMM rank density */
+	beq	spd_read_fail
+	rlwinm	r5,r3,27,29,31
+	rlwinm	r6,r3,3,24,28
+	or	r5,r6,r5	/* r5 = Normalized Rank Density byte */
+	lis	r8, 0x0080	/* 128MB >> 4 */
+	mullw	r8,r8,r5	/* r8 = (rank_size >> 4) */
+	mullw	r8,r8,r7	/* r8 = (DIMM_size >> 4) */
+	neg	r7,r8
+	rlwinm	r7,r7,28,4,31
+	or	r7,r7,r11	/* set ADDR field */
+	rlwinm	r8,r8,12,20,31
+	add	r11,r11,r8	/* set Base Addr for next DIMM */
+
+	cmpi	0,0,r10,SPD_DIMM0
+	bne	set_dimm1_size
+	stw	r7,SD_D0_BAR(r4)
+	sync
+	li	r10,SPD_DIMM1
+	READ_SPD(0)
+	bne do_each_dimm
+	b spd_done
+
+set_dimm1_size:
+	stw	r7,SD_D1_BAR(r4)
+	sync
+spd_done:
+	blr
+
+check_next_slot:
+	cmpi	0,0,r10,SPD_DIMM1
+	beq	spd_read_fail
+	li	r10,SPD_DIMM1
+	b	do_first_dimm
+spd_read_fail:
+	ori	r3,r0,0xdead
+	b	err_hung
+spd_fail:
+	li	r3,0x0bad
+	sync
+err_hung:	/* hang here for debugging */
+	nop
+	nop
+	b	err_hung
+
+#endif /* !SDC_HARDCODED_INIT */
diff --git a/board/mpc7448hpc2/config.mk b/board/mpc7448hpc2/config.mk
new file mode 100644
index 0000000..2e58858
--- /dev/null
+++ b/board/mpc7448hpc2/config.mk
@@ -0,0 +1,28 @@
+#
+# Copyright (c) 2005 Freescale Semiconductor, Inc.
+#
+# 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
+#
+
+# Flash address
+TEXT_BASE = 0xFF000000
+# RAM address
+#TEXT_BASE = 0x00400000
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -maltivec -mabi=altivec -msoft-float
diff --git a/board/mpc7448hpc2/mpc7448hpc2.c b/board/mpc7448hpc2/mpc7448hpc2.c
new file mode 100644
index 0000000..d4a047c
--- /dev/null
+++ b/board/mpc7448hpc2/mpc7448hpc2.c
@@ -0,0 +1,107 @@
+/*
+ * (C) Copyright 2005 Freescale Semiconductor, Inc.
+ *
+ * Roy Zang <tie-fei.zang@freescale.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
+ *
+ * modifications for the Tsi108 Emul Board by avb@Tundra
+ */
+
+/*
+ * board support/init functions for the
+ * Freescale MPC7448 HPC2 (High-Performance Computing 2 Platform).
+ */
+
+#include <common.h>
+#include <74xx_7xx.h>
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+extern void ft_cpu_setup (void *blob, bd_t *bd);
+#endif
+
+#undef	DEBUG
+
+extern void flush_data_cache (void);
+extern void invalidate_l1_instruction_cache (void);
+extern void tsi108_init_f (void);
+
+int display_mem_map (void);
+
+void after_reloc (ulong dest_addr)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	
+	/*
+	 * Jump to the main U-Boot board init code
+	 */
+	board_init_r ((gd_t *) gd, dest_addr);
+	/* NOTREACHED */
+}
+
+/*
+ * Check Board Identity:
+ * report board type
+ */
+
+int checkboard (void)
+{
+	int l_type = 0;
+
+	printf ("BOARD: %s\n", CFG_BOARD_NAME);
+	return (l_type);
+}
+
+/*
+ * Read Processor ID:
+ *
+ * report calling processor number
+ */
+
+int read_pid (void)
+{
+	return 0;		/* we are on single CPU platform for a while */
+}
+
+long int dram_size (int board_type)
+{
+	return 0x20000000;	/* 256M bytes */
+}
+
+long int initdram (int board_type)
+{
+	return dram_size (board_type);
+}
+
+#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_board_setup (void *blob, bd_t *bd)
+{
+	u32 *p;
+	int len;
+
+	ft_cpu_setup (blob, bd);
+
+	p = ft_get_prop (blob, "/memory/reg", &len);
+	if (p != NULL) {
+		*p++ = cpu_to_be32 (bd->bi_memstart);
+		*p = cpu_to_be32 (bd->bi_memsize);
+	}
+}
+#endif
diff --git a/board/mpc7448hpc2/tsi108_init.c b/board/mpc7448hpc2/tsi108_init.c
new file mode 100644
index 0000000..e3b09cf
--- /dev/null
+++ b/board/mpc7448hpc2/tsi108_init.c
@@ -0,0 +1,665 @@
+/*****************************************************************************
+ * (C) Copyright 2003;  Tundra Semiconductor Corp.
+ *
+ * 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
+ *****************************************************************************/
+
+/*----------------------------------------------------------------------------
+ * FILENAME: tsi108_init.c
+ *
+ * Originator: Alex Bounine
+ *
+ * DESCRIPTION:
+ * Initialization code for the Tundra Tsi108 bridge chip
+ *---------------------------------------------------------------------------*/
+
+#include <common.h>
+#include <74xx_7xx.h>
+#include <config.h>
+#include <version.h>
+#include <asm/processor.h>
+#include <tsi108.h>
+
+extern void mpicInit (int verbose);
+
+/*
+ * Configuration Options
+ */
+
+typedef struct {
+	ulong upper;
+	ulong lower;
+} PB2OCN_LUT_ENTRY;
+
+PB2OCN_LUT_ENTRY pb2ocn_lut1[32] = {
+	/* 0 - 7 */
+	{0x00000000, 0x00000201}, /* PBA=0xE000_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xE100_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xE200_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xE300_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xE400_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xE500_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xE600_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xE700_0000 -> PCI/X (Byte-Swap) */
+
+	/* 8 - 15 */
+	{0x00000000, 0x00000201}, /* PBA=0xE800_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xE900_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xEA00_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xEB00_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xEC00_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xED00_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xEE00_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xEF00_0000 -> PCI/X (Byte-Swap) */
+
+	/* 16 - 23 */
+	{0x00000000, 0x00000201}, /* PBA=0xF000_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xF100_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xF200_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xF300_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xF400_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xF500_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xF600_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xF700_0000 -> PCI/X (Byte-Swap) */
+	/* 24 - 31 */
+	{0x00000000, 0x00000201}, /* PBA=0xF800_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xF900_0000 -> PCI/X (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xFA00_0000 -> PCI/X  PCI I/O (Byte-Swap) */
+	{0x00000000, 0x00000201}, /* PBA=0xFB00_0000 -> PCI/X  PCI Config (Byte-Swap) */
+
+	{0x00000000, 0x02000240}, /* PBA=0xFC00_0000 -> HLP */
+	{0x00000000, 0x01000240}, /* PBA=0xFD00_0000 -> HLP */
+	{0x00000000, 0x03000240}, /* PBA=0xFE00_0000 -> HLP */
+	{0x00000000, 0x00000240}  /* PBA=0xFF00_0000 -> HLP : (Translation Enabled + Byte-Swap)*/
+};
+
+#ifdef CFG_CLK_SPREAD
+typedef struct {
+	ulong ctrl0;
+	ulong ctrl1;
+} PLL_CTRL_SET;
+
+/*
+ * Clock Generator SPLL0 initialization values
+ * PLL0 configuration table for various PB_CLKO freq.
+ * Uses pre-calculated values for Fs = 30 kHz, D = 0.5%
+ * Fout depends on required PB_CLKO. Based on Fref = 33 MHz
+ */
+
+static PLL_CTRL_SET pll0_config[8] = {
+	{0x00000000, 0x00000000},	/* 0: bypass */
+	{0x00000000, 0x00000000},	/* 1: reserved */
+	{0x00430044, 0x00000043},	/* 2: CG_PB_CLKO = 183 MHz */
+	{0x005c0044, 0x00000039},	/* 3: CG_PB_CLKO = 100 MHz */
+	{0x005c0044, 0x00000039},	/* 4: CG_PB_CLKO = 133 MHz */
+	{0x004a0044, 0x00000040},	/* 5: CG_PB_CLKO = 167 MHz */
+	{0x005c0044, 0x00000039},	/* 6: CG_PB_CLKO = 200 MHz */
+	{0x004f0044, 0x0000003e}	/* 7: CG_PB_CLKO = 233 MHz */
+};
+#endif	/* CFG_CLK_SPREAD */
+
+/*
+ * Prosessor Bus Clock (in MHz) defined by CG_PB_SELECT
+ * (based on recommended Tsi108 reference clock 33MHz)
+ */
+static int pb_clk_sel[8] = { 0, 0, 183, 100, 133, 167, 200, 233 };
+
+/*
+ * get_board_bus_clk ()
+ *
+ * returns the bus clock in Hz.
+ */
+unsigned long get_board_bus_clk (void)
+{
+	ulong i;
+
+	/* Detect PB clock freq. */
+	i = in32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PWRUP_STATUS);
+	i = (i >> 16) & 0x07;	/* Get PB PLL multiplier */
+
+	return pb_clk_sel[i] * 1000000;
+}
+
+/*
+ * board_early_init_f ()
+ *
+ * board-specific initialization executed from flash
+ */
+
+int board_early_init_f (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	ulong i;
+
+	gd->mem_clk = 0;
+	i = in32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET +
+			CG_PWRUP_STATUS);
+	i = (i >> 20) & 0x07;	/* Get GD PLL multiplier */
+	switch (i) {
+	case 0:	/* external clock */
+		printf ("Using external clock\n");
+		break;
+	case 1:	/* system clock */
+		gd->mem_clk = gd->bus_clk;
+		break;
+	case 4:	/* 133 MHz */
+	case 5:	/* 166 MHz */
+	case 6:	/* 200 MHz */
+		gd->mem_clk = pb_clk_sel[i] * 1000000;
+		break;
+	default:
+		printf ("Invalid DDR2 clock setting\n");
+		return -1;
+	}
+	printf ("BUS: %d MHz\n", get_board_bus_clk() / 1000000);
+	printf ("MEM: %d MHz\n", gd->mem_clk / 1000000);
+	return 0;
+}
+
+/*
+ * board_early_init_r() - Tsi108 initialization function executed right after
+ * relocation. Contains code that cannot be executed from flash.
+ */
+
+int board_early_init_r (void)
+{
+	ulong temp, i;
+	ulong reg_val;
+	volatile ulong *reg_ptr;
+	
+	reg_ptr =
+		(ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x900);
+
+	for (i = 0; i < 32; i++) {
+		*reg_ptr++ = 0x00000201;	/* SWAP ENABLED */
+		*reg_ptr++ = 0x00;
+	}
+
+	__asm__ __volatile__ ("eieio");
+	__asm__ __volatile__ ("sync");
+
+	/* Setup PB_OCN_BAR2: size 256B + ENable @ 0x0_80000000 */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR2,
+		0x80000001);
+	__asm__ __volatile__ ("sync");
+
+	/* Make sure that OCN_BAR2 decoder is set (to allow following immediate
+	 * read from SDRAM)
+	 */
+
+	temp = in32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR2);
+	__asm__ __volatile__ ("sync");
+
+	/*
+	 * Remap PB_OCN_BAR1 to accomodate PCI-bus aperture and EPROM into the
+	 * processor bus address space. Immediately after reset LUT and address
+	 * translation are disabled for this BAR. Now we have to initialize LUT
+	 * and switch from the BOOT mode to the normal operation mode.
+	 *
+	 * The aperture defined by PB_OCN_BAR1 startes at address 0xE0000000
+	 * and covers 512MB of address space. To allow larger aperture we also
+	 * have to relocate register window of Tsi108
+	 *
+	 * Initialize LUT (32-entries) prior switching PB_OCN_BAR1 from BOOT
+	 * mode.
+	 *
+	 * initialize pointer to LUT associated with PB_OCN_BAR1
+	 */
+	reg_ptr =
+		(ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x800);
+
+	for (i = 0; i < 32; i++) {
+		*reg_ptr++ = pb2ocn_lut1[i].lower;
+		*reg_ptr++ = pb2ocn_lut1[i].upper;
+	}
+
+	__asm__ __volatile__ ("sync");
+
+	/* Base addresses for CS0, CS1, CS2, CS3 */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_ADDR,
+		0x00000000);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_ADDR,
+		0x00100000);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_ADDR,
+		0x00200000);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_ADDR,
+		0x00300000);
+	__asm__ __volatile__ ("sync");
+
+	/* Masks for HLP banks */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_MASK,
+		0xFFF00000);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_MASK,
+		0xFFF00000);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_MASK,
+		0xFFF00000);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_MASK,
+		0xFFF00000);
+	__asm__ __volatile__ ("sync");
+
+	/* Set CTRL0 values for banks */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL0,
+		0x7FFC44C2);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL0,
+		0x7FFC44C0);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL0,
+		0x7FFC44C0);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL0,
+		0x7FFC44C2);
+	__asm__ __volatile__ ("sync");
+
+	/* Set banks to latched mode, enabled, and other default settings */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL1,
+		0x7C0F2000);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL1,
+		0x7C0F2000);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL1,
+		0x7C0F2000);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL1,
+		0x7C0F2000);
+	__asm__ __volatile__ ("sync");
+	
+	/*
+	 * Set new value for PB_OCN_BAR1: switch from BOOT to LUT mode.
+	 * value for PB_OCN_BAR1: (BA-0xE000_0000 + size 512MB + ENable)
+	 */
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR1,
+		0xE0000011);
+	__asm__ __volatile__ ("sync");
+
+	/* Make sure that OCN_BAR2 decoder is set (to allow following
+	 * immediate read from SDRAM)
+	 */
+	
+	temp = in32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR1);
+	__asm__ __volatile__ ("sync");
+
+	/*
+	 * SRI: At this point we have enabled the HLP banks. That means we can
+	 * now read from the NVRAM and initialize the environment variables.
+	 * We will over-ride the env_init called in board_init_f
+	 * This is really a work-around because, the HLP bank 1
+	 * where NVRAM resides is not visible during board_init_f
+	 * (lib_ppc/board.c)
+	 * Alternatively, we could use the I2C EEPROM at start-up to configure
+	 * and enable all HLP banks and not just HLP 0 as is being done for
+	 * Taiga Rev. 2.
+	 */
+	
+	env_init ();
+
+#ifndef DISABLE_PBM
+	
+	/*
+	 * For IBM processors we have to set Address-Only commands generated
+	 * by PBM that are different from ones set after reset.
+	 */
+
+	temp = get_cpu_type ();
+
+	if ((CPU_750FX == temp) || (CPU_750GX == temp))
+		out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_MCMD,
+			0x00009955);
+#endif	/* DISABLE_PBM */
+
+#ifdef CONFIG_PCI
+	/*
+	 * Initialize PCI/X block
+	 */
+
+	/* Map PCI/X Configuration Space (16MB @ 0x0_FE000000) */
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET +
+		PCI_PFAB_BAR0_UPPER, 0);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_BAR0,
+		0xFB000001);
+	__asm__ __volatile__ ("sync");
+
+	/* Set Bus Number for the attached PCI/X bus (we will use 0 for NB) */
+
+	temp =	in32(CFG_TSI108_CSR_BASE +
+		TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT);
+
+	temp &= ~0xFF00;	/* Clear the BUS_NUM field */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT,
+		temp);
+
+	/* Map PCI/X IO Space (64KB @ 0x0_FD000000) takes one 16MB LUT entry */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO_UPPER,
+		0);
+	__asm__ __volatile__ ("sync");
+
+	/* This register is on the PCI side to interpret the address it receives
+	 * and maps it as a IO address.
+	 */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO,
+		0xFA000001);
+	__asm__ __volatile__ ("sync");
+
+	/*
+	 * Map PCI/X Memory Space
+	 *
+	 * Transactions directed from OCM to PCI Memory Space are directed
+	 * from PB to PCI
+	 * unchanged (as defined by PB_OCN_BAR1,2 and LUT settings).
+	 * If address remapping is required the corresponding PCI_PFAB_MEM32
+	 * and PCI_PFAB_PFMx register groups have to be configured.
+	 *
+	 * Map the path from the PCI/X bus into the system memory
+	 *
+	 * The memory mapped window assotiated with PCI P2O_BAR2 provides
+	 * access to the system memory without address remapping.
+	 * All system memory is opened for accesses initiated by PCI/X bus
+	 * masters.
+	 *
+	 * Initialize LUT associated with PCI P2O_BAR2
+	 *
+	 * set pointer to LUT associated with PCI P2O_BAR2
+	 */
+
+	reg_ptr =
+		(ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x500);
+
+#ifdef DISABLE_PBM
+
+	/* In case when PBM is disabled (no HW supported cache snoopng on PB)
+	 * P2O_BAR2 is directly mapped into the system memory without address
+	 * translation.
+	 */
+
+	reg_val = 0x00000004;	/* SDRAM port + NO Addr_Translation */
+
+	for (i = 0; i < 32; i++) {
+		*reg_ptr++ = reg_val;	/* P2O_BAR2_LUTx */
+		*reg_ptr++ = 0;		/* P2O_BAR2_LUT_UPPERx */
+	}
+
+	/* value for PCI BAR2 (size = 512MB, Enabled, No Addr. Translation) */
+	reg_val = 0x00007500;
+#else
+
+	reg_val = 0x00000002;	/* Destination port = PBM */
+
+	for (i = 0; i < 32; i++) {
+		*reg_ptr++ = reg_val;	/* P2O_BAR2_LUTx */
+/* P2O_BAR2_LUT_UPPERx : Set data swapping mode for PBM (byte swapping) */
+		*reg_ptr++ = 0x40000000;
+/* offset = 16MB, address translation is enabled to allow byte swapping */
+		reg_val += 0x01000000;
+	}
+
+/* value for PCI BAR2 (size = 512MB, Enabled, Address Translation Enabled) */
+	reg_val = 0x00007100;
+#endif
+
+	__asm__ __volatile__ ("eieio");
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES,
+		reg_val);
+	__asm__ __volatile__ ("sync");
+
+	/* Set 64-bit PCI bus address for system memory
+	 * ( 0 is the best choice for easy mapping)
+	 */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2,
+		0x00000000);
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2_UPPER,
+		0x00000000);
+	__asm__ __volatile__ ("sync");
+
+#ifndef DISABLE_PBM
+	/*
+	 *  The memory mapped window assotiated with PCI P2O_BAR3 provides
+	 *  access to the system memory using SDRAM OCN port and address
+	 *  translation. This is alternative way to access SDRAM from PCI
+	 *  required for Tsi108 emulation testing.
+	 *  All system memory is opened for accesses initiated by
+	 *  PCI/X bus masters.
+	 *
+	 *  Initialize LUT associated with PCI P2O_BAR3
+	 *
+	 *  set pointer to LUT associated with PCI P2O_BAR3
+	 */
+	reg_ptr =
+		(ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x600);
+
+	reg_val = 0x00000004;	/* Destination port = SDC */
+
+	for (i = 0; i < 32; i++) {
+		*reg_ptr++ = reg_val;	/* P2O_BAR3_LUTx */
+		
+/* P2O_BAR3_LUT_UPPERx : Set data swapping mode for PBM (byte swapping) */
+		*reg_ptr++ = 0;	
+		
+/* offset = 16MB, address translation is enabled to allow byte swapping */
+		reg_val += 0x01000000;
+	}
+
+	__asm__ __volatile__ ("eieio");
+	__asm__ __volatile__ ("sync");
+
+	/* Configure PCI P2O_BAR3 (size = 512MB, Enabled) */
+
+	reg_val =
+		in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET +
+		 PCI_P2O_PAGE_SIZES);
+	reg_val &= ~0x00FF;
+	reg_val |= 0x0071;
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES,
+		reg_val);
+	__asm__ __volatile__ ("sync");
+
+	/* Set 64-bit base PCI bus address for window (0x20000000) */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3_UPPER,
+		0x00000000);
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3,
+		0x20000000);
+	__asm__ __volatile__ ("sync");
+
+#endif	/* !DISABLE_PBM */
+
+#ifdef ENABLE_PCI_CSR_BAR	
+	/* open if required access to Tsi108 CSRs from the PCI/X bus */
+	/* enable BAR0 on the PCI/X bus */
+	reg_val = in32(CFG_TSI108_CSR_BASE +
+		TSI108_PCI_REG_OFFSET + PCI_MISC_CSR);
+	reg_val |= 0x02;
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_MISC_CSR,
+		reg_val);
+	__asm__ __volatile__ ("sync");
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0_UPPER,
+		0x00000000);
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0,
+		CFG_TSI108_CSR_BASE);
+	__asm__ __volatile__ ("sync");
+
+#endif
+
+	/*
+	 * Finally enable PCI/X Bus Master and Memory Space access
+	 */
+	
+	reg_val = in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_CSR);
+	reg_val |= 0x06;
+	out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_CSR, reg_val);
+	__asm__ __volatile__ ("sync");
+
+#endif	/* CONFIG_PCI */
+
+	/*
+	 * Initialize MPIC outputs (interrupt pins):
+	 * Interrupt routing on the Grendel Emul. Board:
+	 * PB_INT[0] -> INT (CPU0)
+	 * PB_INT[1] -> INT (CPU1)
+	 * PB_INT[2] -> MCP (CPU0)
+	 * PB_INT[3] -> MCP (CPU1)
+	 * Set interrupt controller outputs as Level_Sensitive/Active_Low
+	 */
+	out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(0), 0x02);
+	out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(1), 0x02);
+	out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(2), 0x02);
+	out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(3), 0x02);
+	__asm__ __volatile__ ("sync");
+
+	/*
+	 * Ensure that Machine Check exception is enabled
+	 * We need it to support PCI Bus probing (configuration reads)
+	 */
+	
+	reg_val = mfmsr ();
+	mtmsr(reg_val | MSR_ME);
+
+	return 0;
+}
+
+/*
+ * Needed to print out L2 cache info
+ * used in the misc_init_r function
+ */
+
+unsigned long get_l2cr (void)
+{
+	unsigned long l2controlreg;
+	asm volatile ("mfspr %0, 1017":"=r" (l2controlreg):);
+	return l2controlreg;
+}
+
+/*
+ * misc_init_r()
+ *
+ * various things to do after relocation
+ *
+ */
+
+int misc_init_r (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+#ifdef CFG_CLK_SPREAD	/* Initialize Spread-Spectrum Clock generation */
+	ulong i;
+
+	/* Ensure that Spread-Spectrum is disabled */
+	out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, 0);
+	out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, 0);
+
+	/* Initialize PLL1: CG_PCI_CLK , internal OCN_CLK
+	 * Uses pre-calculated value for Fout = 800 MHz, Fs = 30 kHz, D = 0.5%
+	 */
+
+	out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0,
+		0x002e0044);	/* D = 0.25% */
+	out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL1,
+		0x00000039);	/* BWADJ */
+
+	/* Initialize PLL0: CG_PB_CLKO  */
+	/* Detect PB clock freq. */
+	i = in32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PWRUP_STATUS);
+	i = (i >> 16) & 0x07;	/* Get PB PLL multiplier */
+
+	out32 (CFG_TSI108_CSR_BASE +
+		TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, pll0_config[i].ctrl0);
+	out32 (CFG_TSI108_CSR_BASE +
+		TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL1, pll0_config[i].ctrl1);
+
+	/* Wait and set SSEN for both PLL0 and 1 */
+	udelay (1000);
+	out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0,
+		0x802e0044);	/* D=0.25% */
+	out32 (CFG_TSI108_CSR_BASE +
+		TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0,
+	 	0x80000000 | pll0_config[i].ctrl0);
+#endif	/* CFG_CLK_SPREAD */
+
+#ifdef CFG_L2
+	l2cache_enable ();
+#endif
+	printf ("BUS:   %d MHz\n", gd->bus_clk / 1000000);
+	printf ("MEM:   %d MHz\n", gd->mem_clk / 1000000);
+
+	/*
+	 * All the information needed to print the cache details is avaiblable
+	 * at this point i.e. above call to l2cache_enable is the very last
+	 * thing done with regards to enabling diabling the cache.
+	 * So this seems like a good place to print all this information
+	 */
+	
+	printf ("CACHE: ");
+	switch (get_cpu_type()) {
+	case CPU_7447A:
+		printf ("L1 Instruction cache - 32KB 8-way");
+		(get_hid0 () & (1 << 15)) ? printf (" ENABLED\n") :
+			printf (" DISABLED\n");
+		printf ("L1 Data cache - 32KB 8-way");
+		(get_hid0 () & (1 << 14)) ? printf (" ENABLED\n") :
+			printf (" DISABLED\n");
+		printf ("Unified L2 cache - 512KB 8-way");
+		(get_l2cr () & (1 << 31)) ? printf (" ENABLED\n") :
+			printf (" DISABLED\n");
+		printf ("\n");
+		break;
+
+	case CPU_7448:
+		printf ("L1 Instruction cache - 32KB 8-way");
+		(get_hid0 () & (1 << 15)) ? printf (" ENABLED\n") :
+			printf (" DISABLED\n");
+		printf ("L1 Data cache - 32KB 8-way");
+		(get_hid0 () & (1 << 14)) ? printf (" ENABLED\n") :
+			printf (" DISABLED\n");
+		printf ("Unified L2 cache - 1MB 8-way");
+		(get_l2cr () & (1 << 31)) ? printf (" ENABLED\n") :
+			printf (" DISABLED\n");
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
diff --git a/board/mpc7448hpc2/u-boot.lds b/board/mpc7448hpc2/u-boot.lds
new file mode 100644
index 0000000..8f24213
--- /dev/null
+++ b/board/mpc7448hpc2/u-boot.lds
@@ -0,0 +1,136 @@
+/*
+ * (C) Copyright 2001
+ * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
+ *
+ * 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
+ */
+
+/*
+ * u-boot.lds - linker script for U-Boot on mpc7448hpc2 Board.
+ */
+
+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
+{
+  /* 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/74xx_7xx/start.o	(.text)
+
+/* store the environment in a seperate sector in the boot flash */
+/*    . = 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 = .);
+}