Initial import of modified u-boot tree

Original upstream URL:
git://git.denx.de/u-boot.git

Original upstream GIT hash:
62c175fbb8a0f9a926c88294ea9f7e88eb898f6c

3 files changed, 251 insertions, 0 deletions

diff --git a/board/ms7750se/Makefile b/board/ms7750se/Makefile
new file mode 100644
index 0000000..c7088e8
--- /dev/null
+++ b/board/ms7750se/Makefile
@@ -0,0 +1,41 @@
+#
+# Copyright (C) 2007
+# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+#
+# 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).o
+
+COBJS	:= ms7750se.o
+SOBJS	:= lowlevel_init.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/ms7750se/lowlevel_init.S b/board/ms7750se/lowlevel_init.S
new file mode 100644
index 0000000..3041e64
--- /dev/null
+++ b/board/ms7750se/lowlevel_init.S
@@ -0,0 +1,159 @@
+/*
+ modified from SH-IPL+g
+ Renesaso SuperH / Solution Enginge MS775xSE01 BSC setting.
+
+ Support CPU : SH7750/SH7750S/SH7750R/SH7751/SH7751R
+
+ Coyright (c) 2007 Nobuhiro Iwamatsu <iwmatsu@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
+*/
+
+#include <config.h>
+#include <version.h>
+
+#include <asm/processor.h>
+#include <asm/macro.h>
+
+#ifdef CONFIG_CPU_SH7751
+#define BCR2_D_VALUE	0x2FFC		/* Area 1-6 width: 32/32/32/32/32/16 */
+#define WCR1_D_VALUE	0x02770771	/* DMA:0 A6:2 A3:0 A0:1 Others:15 */
+#ifdef CONFIG_MARUBUN_PCCARD
+#define WCR2_D_VALUE	0xFFFE4FE7	/* A6:15 A6B:7 A5:15 A5B:7 A4:15
+					   A3:2  A2:15 A1:15 A0:6  A0B:7  */
+#else /* CONFIG_MARUBUN_PCCARD */
+#define WCR2_D_VALUE	0x7FFE4FE7	/* A6:3  A6B:7 A5:15 A5B:7 A4:15
+					   A3:2  A2:15 A1:15 A0:6  A0B:7  */
+#endif /* CONFIG_MARUBUN_PCCARD */
+#define WCR3_D_VALUE	0x01777771	/* A6: 0-1 A5: 1-3 A4: 1-3 A3: 1-3
+					   A2: 1-3 A1: 1-3 A0: 0-1 */
+#define RTCOR_D_VALUE	0xA50D		/* Write code A5, data 0D (~15us?) */
+#define SDMR3_ADDRESS	0xFF940088	/* SDMR3 address on 32-bit bus */
+#define MCR_D1_VALUE	0x100901B4	/* SDRAM 32-bit, CAS/RAS Refresh, .. */
+#define MCR_D2_VALUE	0x500901B4	/* Same w/MRSET now 1 (mode reg cmd) */
+#else /* CONFIG_CPU_SH7751 */
+#define BCR2_D_VALUE	0x2E3C		/* Area 1-6 width: 32/32/64/16/32/16 */
+#define WCR1_D_VALUE	0x02720777	/* DMA:0 A6:2 A4:2 A3:0 Others:15 */
+#define WCR2_D_VALUE	0xFFFE4FFF	/* A6:15 A6B:7 A5:15 A5B:7 A4:15
+					   A3:2  A2:15 A1:15 A0:15 A0B:7  */
+#define WCR3_D_VALUE	0x01717771	/* A6: 0-1 A5: 1-3 A4: 0-1 A3: 1-3
+					   A2: 1-3 A1: 1-3 A0: 0-1 */
+#define RTCOR_D_VALUE	0xA510		/* Write code A5, data 10 (~15us?) */
+#define SDMR3_ADDRESS	0xFF940110	/* SDMR3 address on 64-bit bus */
+#define MCR_D1_VALUE	0x8801001C	/* SDRAM 64-bit, CAS/RAS Refresh, .. */
+#define MCR_D2_VALUE	0xC801001C	/* Same w/MRSET now 1 (mode reg cmd) */
+#endif /* CONFIG_CPU_SH7751 */
+
+	.global lowlevel_init
+	.text
+	.align	2
+
+lowlevel_init:
+
+	write32	CCR_A, CCR_D_DISABLE
+
+init_bsc:
+	write16	FRQCR_A, FRQCR_D
+
+	write32	BCR1_A, BCR1_D
+
+	write16	BCR2_A, BCR2_D
+
+	write32	WCR1_A, WCR1_D
+
+	write32	WCR2_A, WCR2_D
+
+	write32	WCR3_A, WCR3_D
+
+	write32	MCR_A, MCR_D1
+
+	/* Set SDRAM mode */
+	write8	SDMR3_A, SDMR3_D
+
+	! Do you need PCMCIA setting?
+	! If so, please add the lines here...
+
+	write16	RTCNT_A, RTCNT_D
+
+	write16	RTCOR_A, RTCOR_D
+
+	write16	RTCSR_A, RTCSR_D
+
+	write16	RFCR_A, RFCR_D
+
+	/* Wait DRAM refresh 30 times */
+	mov	#30, r3
+1:
+	mov.w	@r1, r0
+	extu.w	r0, r2
+	cmp/hi	r3, r2
+	bf	1b
+
+	write32	MCR_A, MCR_D2
+
+	/* Set SDRAM mode */
+	write8	SDMR3_A, SDMR3_D
+
+	rts
+	nop
+
+	.align	2
+
+CCR_A:		 .long	CCR
+CCR_D_DISABLE:	.long	0x0808
+FRQCR_A:	.long	FRQCR
+FRQCR_D:
+#ifdef CONFIG_CPU_TYPE_R
+		.word	0x0e1a	/* 12:3:3 */
+#else	/* CONFIG_CPU_TYPE_R */
+#ifdef CONFIG_GOOD_SESH4
+		.word	0x00e13	/* 6:2:1 */
+#else
+		.word	0x00e23	/* 6:1:1 */
+#endif
+.align 2
+#endif	/* CONFIG_CPU_TYPE_R */
+
+BCR1_A:		.long	BCR1
+BCR1_D:		.long	0x00000008	/* Area 3 SDRAM */
+BCR2_A:		.long	BCR2
+BCR2_D:		.long	BCR2_D_VALUE	/* Bus width settings */
+WCR1_A:		.long	WCR1
+WCR1_D:		.long	WCR1_D_VALUE	/* Inter-area or turnaround wait states */
+WCR2_A:		.long	WCR2
+WCR2_D:		.long	WCR2_D_VALUE	/* Per-area access and burst wait states */
+WCR3_A:		.long	WCR3
+WCR3_D:		.long	WCR3_D_VALUE	/* Address setup and data hold cycles */
+RTCSR_A:	.long	RTCSR
+RTCSR_D:	.word	0xA518		/* RTCSR Write Code A5h Data 18h */
+.align 2
+RTCNT_A:	.long	RTCNT
+RTCNT_D:	.word	0xA500		/* RTCNT Write Code A5h Data 00h */
+.align 2
+RTCOR_A:	.long	RTCOR
+RTCOR_D:	.word	RTCOR_D_VALUE	/* Set refresh time (about 15us) */
+.align 2
+SDMR3_A:	.long	SDMR3_ADDRESS
+SDMR3_D:	.long	0x00
+MCR_A:		.long	MCR
+MCR_D1:		.long	MCR_D1_VALUE
+MCR_D2:		.long	MCR_D2_VALUE
+RFCR_A:		.long	RFCR
+RFCR_D:		.word	0xA400		/* RFCR Write Code A4h Data 00h */
+.align 2
diff --git a/board/ms7750se/ms7750se.c b/board/ms7750se/ms7750se.c
new file mode 100644
index 0000000..9370af3
--- /dev/null
+++ b/board/ms7750se/ms7750se.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2007
+ * 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
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	puts("BOARD: SH7750/SH7750S/SH7750R Solution Engine\n");
+	return 0;
+}
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init (void)
+{
+	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
+	printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
+	return 0;
+}
+
+int board_late_init(void)
+{
+	return 0;
+}