Merge branch 'master' of git://www.denx.de/git/u-boot-sh

6 files changed, 739 insertions, 0 deletions

diff --git a/board/r7780mp/Makefile b/board/r7780mp/Makefile
new file mode 100644
index 0000000..554dca1
--- /dev/null
+++ b/board/r7780mp/Makefile
@@ -0,0 +1,44 @@
+#
+# Copyright (C) 2007,2008 Nobuhiro Iwamatsu
+#
+# board/r7780mp/Makefile
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	:= r7780mp.o
+SOBJS	:= lowlevel_init.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend:	Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+		$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/r7780mp/config.mk b/board/r7780mp/config.mk
new file mode 100644
index 0000000..6a045a1
--- /dev/null
+++ b/board/r7780mp/config.mk
@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2007,2008 Nobuhiro Iwamatsu
+#
+# board/r77870mp/config.mk
+#
+# 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 refers to image _after_ relocation.
+#
+# NOTE: Must match value used in u-boot.lds (in this directory).
+#
+
+TEXT_BASE = 0x0FFC0000
diff --git a/board/r7780mp/lowlevel_init.S b/board/r7780mp/lowlevel_init.S
new file mode 100644
index 0000000..eb5d8b7
--- /dev/null
+++ b/board/r7780mp/lowlevel_init.S
@@ -0,0 +1,428 @@
+/*
+ * Copyright (C) 2007,2008 Nobuhiro Iwamatsu
+ *
+ * u-boot/board/r7780mp/lowlevel_init.S
+ *
+ * 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 <version.h>
+#include <asm/processor.h>
+
+/*
+ *  Board specific low level init code, called _very_ early in the
+ *  startup sequence. Relocation to SDRAM has not happened yet, no
+ *  stack is available, bss section has not been initialised, etc.
+ *
+ *  (Note: As no stack is available, no subroutines can be called...).
+ */
+
+	.global	lowlevel_init
+
+	.text
+	.align	2
+
+lowlevel_init:
+
+	mov.l	CCR_A, r1	/* Address of Cache Control Register */
+	mov.l	CCR_D, r0	/* Instruction Cache Invalidate */
+	mov.l	r0, @r1
+
+	mov.l	FRQCR_A, r1	/* Frequency control register */
+	mov.l	FRQCR_D, r0
+	mov.l	r0, @r1
+
+	/* pin_multi_setting */
+	mov.l   BBG_PMMR_A,r1
+	mov.l   BBG_PMMR_D_PMSR1,r0
+	mov.l   r0,@r1
+
+	mov.l   BBG_PMSR1_A,r1
+	mov.l   BBG_PMSR1_D,r0
+	mov.l   r0,@r1
+
+	mov.l   BBG_PMMR_A,r1
+	mov.l   BBG_PMMR_D_PMSR2,r0
+	mov.l   r0,@r1
+
+	mov.l   BBG_PMSR2_A,r1
+	mov.l   BBG_PMSR2_D,r0
+	mov.l   r0,@r1
+
+	mov.l   BBG_PMMR_A,r1
+	mov.l   BBG_PMMR_D_PMSR3,r0
+	mov.l   r0,@r1
+
+	mov.l   BBG_PMSR3_A,r1
+	mov.l   BBG_PMSR3_D,r0
+	mov.l   r0,@r1
+
+	mov.l   BBG_PMMR_A,r1
+	mov.l   BBG_PMMR_D_PMSR4,r0
+	mov.l   r0,@r1
+
+	mov.l   BBG_PMSR4_A,r1
+	mov.l   BBG_PMSR4_D,r0
+	mov.l   r0,@r1
+
+	mov.l   BBG_PMMR_A,r1
+	mov.l   BBG_PMMR_D_PMSRG,r0
+	mov.l   r0,@r1
+
+	mov.l   BBG_PMSRG_A,r1
+	mov.l   BBG_PMSRG_D,r0
+	mov.l   r0,@r1
+
+	/* cpg_setting */
+	mov.l   FRQCR_A,r1
+	mov.l   FRQCR_D,r0
+	mov.l   r0,@r1
+
+	mov.l   DLLCSR_A,r1
+	mov.l   DLLCSR_D,r0
+	mov.l   r0,@r1
+
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+
+	/* wait 200us */
+	mov.l   REPEAT0_R3,r3
+	mov     #0,r2
+repeat0:
+	add     #1,r2
+	cmp/hs  r3,r2
+	bf      repeat0
+	nop
+
+	/* bsc_setting */
+	mov.l	MMSELR_A,r1
+	mov.l	MMSELR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	BCR_A,r1
+	mov.l	BCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS0BCR_A,r1
+	mov.l	CS0BCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS1BCR_A,r1
+	mov.l	CS1BCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS2BCR_A,r1
+	mov.l	CS2BCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS4BCR_A,r1
+	mov.l	CS4BCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS5BCR_A,r1
+	mov.l	CS5BCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS6BCR_A,r1
+	mov.l	CS6BCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS0WCR_A,r1
+	mov.l	CS0WCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS1WCR_A,r1
+	mov.l	CS1WCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS2WCR_A,r1
+	mov.l	CS2WCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS4WCR_A,r1
+	mov.l	CS4WCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS5WCR_A,r1
+	mov.l	CS5WCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS6WCR_A,r1
+	mov.l	CS6WCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS5PCR_A,r1
+	mov.l	CS5PCR_D,r0
+	mov.l	r0,@r1
+
+	mov.l	CS6PCR_A,r1
+	mov.l	CS6PCR_D,r0
+	mov.l	r0,@r1
+
+	/* ddr_setting */
+	/* wait 200us */
+	mov.l   REPEAT0_R3,r3
+	mov     #0,r2
+repeat1:
+	add     #1,r2
+	cmp/hs  r3,r2
+	bf      repeat1
+	nop
+
+	mov.l   MIM_U_A,r0
+	mov.l   MIM_U_D,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	mov.l	MIM_L_A,r0
+	mov.l	MIM_L_D0,r1
+	synco
+	mov.l	r1,@r0
+	synco
+
+	mov.l   STR_L_A,r0
+	mov.l   STR_L_D,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	mov.l   SDR_L_A,r0
+	mov.l   SDR_L_D,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	nop
+	nop
+	nop
+	nop
+
+	mov.l   SCR_L_A,r0
+	mov.l   SCR_L_D0,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	mov.l   SCR_L_A,r0
+	mov.l   SCR_L_D1,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	nop
+	nop
+	nop
+
+	mov.l   EMRS_A,r0
+	mov.l   EMRS_D,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	nop
+	nop
+	nop
+
+	mov.l   MRS1_A,r0
+	mov.l   MRS1_D,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	nop
+	nop
+	nop
+
+	mov.l   SCR_L_A,r0
+	mov.l   SCR_L_D2,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	nop
+	nop
+	nop
+
+	mov.l   SCR_L_A,r0
+	mov.l   SCR_L_D3,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	nop
+	nop
+	nop
+
+	mov.l   SCR_L_A,r0
+	mov.l   SCR_L_D4,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	nop
+	nop
+	nop
+
+	mov.l   MRS2_A,r0
+	mov.l   MRS2_D,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	nop
+	nop
+	nop
+
+	mov.l   SCR_L_A,r0
+	mov.l   SCR_L_D5,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	/* wait 200us */
+	mov.l   REPEAT0_R1,r3
+	mov     #0,r2
+repeat2:
+	add     #1,r2
+	cmp/hs  r3,r2
+	bf      repeat2
+
+	synco
+
+	mov.l   MIM_L_A,r0
+	mov.l   MIM_L_D1,r1
+	synco
+	mov.l   r1,@r0
+	synco
+
+	rts
+	nop
+	.align	4
+
+RWTCSR_D_1:				.word	0xA507
+RWTCSR_D_2:				.word	0xA507
+RWTCNT_D:				.word	0x5A00
+
+BBG_PMMR_A: 			.long	0xFF800010
+BBG_PMSR1_A:			.long	0xFF800014
+BBG_PMSR2_A:			.long	0xFF800018
+BBG_PMSR3_A:			.long	0xFF80001C
+BBG_PMSR4_A:			.long 	0xFF800020
+BBG_PMSRG_A:			.long	0xFF800024
+
+BBG_PMMR_D_PMSR1:       .long	0xffffbffd
+BBG_PMSR1_D:            .long	0x00004002
+BBG_PMMR_D_PMSR2:       .long	0xfc21a7ff
+BBG_PMSR2_D:            .long	0x03de5800
+BBG_PMMR_D_PMSR3:       .long	0xfffffff8
+BBG_PMSR3_D:            .long	0x00000007
+BBG_PMMR_D_PMSR4:       .long 	0xdffdfff9
+BBG_PMSR4_D:            .long	0x20020006
+BBG_PMMR_D_PMSRG:       .long	0xffffffff
+BBG_PMSRG_D:            .long	0x00000000
+
+FRQCR_A:				.long	FRQCR
+DLLCSR_A:				.long	0xffc40010
+FRQCR_D:				.long	0x40233035
+DLLCSR_D:				.long	0x00000000
+
+/* for DDR-SDRAM */
+MIM_U_A:				.long	MIM_1
+MIM_L_A:				.long	MIM_2
+SCR_U_A:				.long	SCR_1
+SCR_L_A:				.long	SCR_2
+STR_U_A:				.long	STR_1
+STR_L_A:				.long	STR_2
+SDR_U_A:				.long	SDR_1
+SDR_L_A:				.long	SDR_2
+
+EMRS_A:					.long	0xFEC02000
+MRS1_A:					.long	0xFEC00B08
+MRS2_A:					.long	0xFEC00308
+
+MIM_U_D:				.long	0x00004000
+MIM_L_D0:				.long	0x03e80009
+MIM_L_D1:				.long	0x03e80209
+SCR_L_D0:				.long	0x3
+SCR_L_D1:				.long	0x2
+SCR_L_D2:				.long	0x2
+SCR_L_D3:				.long	0x4
+SCR_L_D4:				.long	0x4
+SCR_L_D5:				.long	0x0
+STR_L_D:				.long	0x000f0000
+SDR_L_D:				.long	0x00000400
+EMRS_D:					.long	0x0
+MRS1_D:					.long	0x0
+MRS2_D:					.long	0x0
+
+/* Cache Controller */
+CCR_A:		.long	CCR
+MMUCR_A:	.long	MMUCR
+RWTCNT_A:	.long	WTCNT
+
+CCR_D:		.long	0x0000090b
+CCR_D_2:	.long	0x00000103
+MMUCR_D:	.long	0x00000004
+MSTPCR0_D:	.long	0x00001001
+MSTPCR2_D:	.long	0xffffffff
+
+/* local Bus State Controller */
+MMSELR_A:   .long   MMSELR
+BCR_A:      .long   BCR
+CS0BCR_A:   .long   CS0BCR
+CS1BCR_A:   .long   CS1BCR
+CS2BCR_A:   .long   CS2BCR
+CS4BCR_A:   .long   CS4BCR
+CS5BCR_A:   .long   CS5BCR
+CS6BCR_A:   .long   CS6BCR
+CS0WCR_A:   .long   CS0WCR
+CS1WCR_A:   .long   CS1WCR
+CS2WCR_A:   .long   CS2WCR
+CS4WCR_A:   .long   CS4WCR
+CS5WCR_A:   .long   CS5WCR
+CS6WCR_A:   .long   CS6WCR
+CS5PCR_A:   .long   CS5PCR
+CS6PCR_A:   .long   CS6PCR
+
+MMSELR_D:		.long	0xA5A50003
+BCR_D:			.long	0x00000000
+CS0BCR_D:		.long	0x77777770
+CS1BCR_D:		.long	0x77777670
+CS2BCR_D:		.long	0x77777770
+CS4BCR_D:		.long	0x77777770
+CS5BCR_D:		.long	0x77777670
+CS6BCR_D:		.long	0x77777770
+CS0WCR_D:		.long	0x00020006
+CS1WCR_D:		.long	0x00232304
+CS2WCR_D:		.long	0x7777770F
+CS4WCR_D:		.long	0x7777770F
+CS5WCR_D:		.long	0x00101006
+CS6WCR_D:		.long	0x77777703
+CS5PCR_D:		.long	0x77000000
+CS6PCR_D:		.long	0x77000000
+
+REPEAT0_R3:	.long   0x00002000
+REPEAT0_R1:	.long   0x0000200
diff --git a/board/r7780mp/r7780mp.c b/board/r7780mp/r7780mp.c
new file mode 100644
index 0000000..1a37711
--- /dev/null
+++ b/board/r7780mp/r7780mp.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ * Copyright (C) 2008 Yusuke Goda <goda.yusuke@renesas.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
+ */
+
+#include <common.h>
+#include <ide.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include "r7780mp.h"
+
+int checkboard(void)
+{
+#if defined(CONFIG_R7780MP)
+	puts("BOARD: Renesas Solutions R7780MP\n");
+#else
+	puts("BOARD: Renesas Solutions R7780RP\n");
+#endif
+	return 0;
+}
+
+int board_init(void)
+{
+	/* SCIF Enable */
+	*(vu_short*)PHCR = 0x0000;
+
+	return 0;
+}
+
+int dram_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_memstart = CFG_SDRAM_BASE;
+	gd->bd->bi_memsize = CFG_SDRAM_SIZE;
+	printf("DRAM:  %dMB\n", CFG_SDRAM_SIZE / (1024 * 1024));
+	return 0;
+}
+
+void led_set_state (unsigned short value)
+{
+
+}
+
+void ide_set_reset (int idereset)
+{
+	/* if reset = 1 IDE reset will be asserted */
+	if (idereset){
+		(*(vu_short *)FPGA_CFCTL) = 0x432;
+#if defined(CONFIG_R7780MP)
+		(*(vu_short *)FPGA_CFPOW) |= 0x01;
+#else
+		(*(vu_short *)FPGA_CFPOW) |= 0x02;
+#endif
+		(*(vu_short *)FPGA_CFCDINTCLR) = 0x01;
+	}
+}
+
+#if defined(CONFIG_PCI)
+static struct pci_controller hose;
+void pci_init_board(void)
+{
+	pci_sh7780_init( &hose );
+}
+#endif
diff --git a/board/r7780mp/r7780mp.h b/board/r7780mp/r7780mp.h
new file mode 100644
index 0000000..476a413
--- /dev/null
+++ b/board/r7780mp/r7780mp.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2007 Nobuhiro Iwamatsu
+ * Copyright (C) 2008 Yusuke Goda <goda.yusuke@renesas.com>
+ *
+ * u-boot/board/r7780mp/r7780mp.h
+ *
+ * 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
+ */
+
+#ifndef _BOARD_R7780MP_R7780MP_H_
+#define _BOARD_R7780MP_R7780MP_H_
+
+/* R7780MP's FPGA register map */
+#define FPGA_BASE          0xa4000000
+#define FPGA_IRLMSK        (FPGA_BASE + 0x00)
+#define FPGA_IRLMON        (FPGA_BASE + 0x02)
+#define FPGA_IRLPRI1       (FPGA_BASE + 0x04)
+#define FPGA_IRLPRI2       (FPGA_BASE + 0x06)
+#define FPGA_IRLPRI3       (FPGA_BASE + 0x08)
+#define FPGA_IRLPRI4       (FPGA_BASE + 0x0A)
+#define FPGA_RSTCTL        (FPGA_BASE + 0x0C)
+#define FPGA_PCIBD         (FPGA_BASE + 0x0E)
+#define FPGA_PCICD         (FPGA_BASE + 0x10)
+#define FPGA_EXTGIO        (FPGA_BASE + 0x16)
+#define FPGA_IVDRMON       (FPGA_BASE + 0x18)
+#define FPGA_IVDRCR        (FPGA_BASE + 0x1A)
+#define FPGA_OBLED         (FPGA_BASE + 0x1C)
+#define FPGA_OBSW          (FPGA_BASE + 0x1E)
+#define FPGA_TPCTL         (FPGA_BASE + 0x100)
+#define FPGA_TPDCKCTL      (FPGA_BASE + 0x102)
+#define FPGA_TPCLR         (FPGA_BASE + 0x104)
+#define FPGA_TPXPOS        (FPGA_BASE + 0x106)
+#define FPGA_TPYPOS        (FPGA_BASE + 0x108)
+#define FPGA_DBSW          (FPGA_BASE + 0x200)
+#define FPGA_VERSION       (FPGA_BASE + 0x700)
+#define FPGA_CFCTL         (FPGA_BASE + 0x300)
+#define FPGA_CFPOW         (FPGA_BASE + 0x302)
+#define FPGA_CFCDINTCLR    (FPGA_BASE + 0x304)
+#define FPGA_PMR           (FPGA_BASE + 0x900)
+
+#endif /* _BOARD_R7780RP_R7780RP_H_ */
diff --git a/board/r7780mp/u-boot.lds b/board/r7780mp/u-boot.lds
new file mode 100644
index 0000000..e7499e5
--- /dev/null
+++ b/board/r7780mp/u-boot.lds
@@ -0,0 +1,105 @@
+/*
+ * Copyrigth (c) 2007,2008
+ * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * 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_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
+OUTPUT_ARCH(sh)
+ENTRY(_start)
+
+SECTIONS
+{
+	/*
+	   Base address of internal SDRAM is 0x0C000000.
+	   Although size of SDRAM can be either 16 or 32 MBytes,
+	   we assume 16 MBytes (ie ignore upper half if the full
+	   32 MBytes is present).
+
+	   NOTE: This address must match with the definition of
+	   TEXT_BASE in config.mk (in this directory).
+
+	*/
+	. = 0x08000000 + (128*1024*1024) - (256*1024);
+
+	PROVIDE (reloc_dst = .);
+
+	PROVIDE (_ftext = .);
+	PROVIDE (_fcode = .);
+	PROVIDE (_start = .);
+
+	.text :
+	{
+		cpu/sh4/start.o		(.text)
+		. = ALIGN(8192);
+		common/environment.o	(.ppcenv)
+		. = ALIGN(8192);
+		common/environment.o	(.ppcenvr)
+		. = ALIGN(8192);
+		*(.text)
+		. = ALIGN(4);
+	} =0xFF
+	PROVIDE (_ecode = .);
+	.rodata :
+	{
+		*(.rodata)
+		. = ALIGN(4);
+	}
+	PROVIDE (_etext = .);
+
+
+	PROVIDE (_fdata = .);
+	.data :
+	{
+		*(.data)
+		. = ALIGN(4);
+	}
+	PROVIDE (_edata = .);
+
+	PROVIDE (_fgot = .);
+	.got :
+	{
+		*(.got)
+		. = ALIGN(4);
+	}
+	PROVIDE (_egot = .);
+
+	PROVIDE (__u_boot_cmd_start = .);
+	.u_boot_cmd :
+	{
+		*(.u_boot_cmd)
+		. = ALIGN(4);
+	}
+	PROVIDE (__u_boot_cmd_end = .);
+
+	PROVIDE (reloc_dst_end = .);
+	/* _reloc_dst_end = .; */
+
+	PROVIDE (bss_start = .);
+	PROVIDE (__bss_start = .);
+	.bss :
+	{
+		*(.bss)
+		. = ALIGN(4);
+	}
+	PROVIDE (bss_end = .);
+
+	PROVIDE (_end = .);
+}