sh: Add Renesas rsk7264 board

The rsk7264 (also know as rsk2+sh7264) is an SH2A based board
with 64MB NAND flash and 64MB SDRAM. It is very similar to the
rsk7203 board.

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

3 files changed, 316 insertions, 0 deletions

diff --git a/board/renesas/rsk7264/Makefile b/board/renesas/rsk7264/Makefile
new file mode 100644
index 0000000000..a0ffc87f6f
--- /dev/null
+++ b/board/renesas/rsk7264/Makefile
@@ -0,0 +1,32 @@
+#
+# Copyright (C) 2011 Renesas Electronics Europe Ltd.
+#
+# This file is released under the terms of GPL v2 and any later version.
+# See the file COPYING in the root directory of the source tree for details.
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).o
+
+OBJS	:= rsk7264.o
+SOBJS	:= lowlevel_init.o
+
+LIB	:= $(addprefix $(obj),$(LIB))
+OBJS	:= $(addprefix $(obj),$(OBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
diff --git a/board/renesas/rsk7264/lowlevel_init.S b/board/renesas/rsk7264/lowlevel_init.S
new file mode 100644
index 0000000000..fc759bd5f2
--- /dev/null
+++ b/board/renesas/rsk7264/lowlevel_init.S
@@ -0,0 +1,212 @@
+/*
+ * Copyright (C) 2011 Renesas Electronics Europe Ltd.
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Copyright (C) 2008 Nobuhiro Iwamatsu
+ *
+ * Based on board/renesas/rsk7203/lowlevel_init.S
+ *
+ * This file is released under the terms of GPL v2 and any later version.
+ * See the file COPYING in the root directory of the source tree for details.
+ */
+#include <config.h>
+#include <version.h>
+
+#include <asm/processor.h>
+#include <asm/macro.h>
+
+	.global	lowlevel_init
+
+	.text
+	.align	2
+
+lowlevel_init:
+	/* Cache setting */
+	write32	CCR1_A ,CCR1_D
+
+	/* io_set_cpg */
+	write8 STBCR3_A, STBCR3_D
+	write8 STBCR4_A, STBCR4_D
+	write8 STBCR5_A, STBCR5_D
+	write8 STBCR6_A, STBCR6_D
+	write8 STBCR7_A, STBCR7_D
+	write8 STBCR8_A, STBCR8_D
+
+	/* ConfigurePortPins */
+
+	/* Leaving LED1 ON for sanity test */
+	write16 PJCR1_A, PJCR1_D1
+	write16 PJCR2_A, PJCR2_D
+	write16 PJIOR0_A, PJIOR0_D1
+	write16 PJDR0_A, PJDR0_D
+	write16 PJPR0_A, PJPR0_D
+
+	/* Configure EN_PIN & RS_PIN */
+	write16 PGCR2_A, PGCR2_D
+	write16 PGIOR0_A, PGIOR0_D
+
+	/* Configure the port pins connected to UART */
+	write16 PJCR1_A, PJCR1_D2
+	write16 PJIOR0_A, PJIOR0_D2
+
+	/* Configure Operating Frequency */
+	write16	WTCSR_A, WTCSR_D0
+	write16	WTCSR_A, WTCSR_D1
+	write16	WTCNT_A, WTCNT_D
+
+	/* Control of RESBANK */
+	write16 IBNR_A, IBNR_D
+	/* Enable SCIF3 module */
+	write16 STBCR4_A, STBCR4_D
+
+	/* Set clock mode*/
+	write16	FRQCR_A, FRQCR_D
+
+	/* Configure Bus And Memory */
+init_bsc_cs0:
+
+pfc_settings:
+	write16 PCCR2_A, PCCR2_D
+	write16 PCCR1_A, PCCR1_D
+	write16 PCCR0_A, PCCR0_D
+
+	write16 PBCR0_A, PBCR0_D
+	write16 PBCR1_A, PBCR1_D
+	write16 PBCR2_A, PBCR2_D
+	write16 PBCR3_A, PBCR3_D
+	write16 PBCR4_A, PBCR4_D
+	write16 PBCR5_A, PBCR5_D
+
+	write16 PDCR0_A, PDCR0_D
+	write16 PDCR1_A, PDCR1_D
+	write16 PDCR2_A, PDCR2_D
+	write16 PDCR3_A, PDCR3_D
+
+	write32 CS0WCR_A, CS0WCR_D
+	write32 CS0BCR_A, CS0BCR_D
+
+init_bsc_cs2:
+	write16	PJCR0_A, PJCR0_D
+	write32	CS2WCR_A, CS2WCR_D
+
+init_sdram:
+	write32	CS3BCR_A, CS3BCR_D
+	write32	CS3WCR_A, CS3WCR_D
+	write32	SDCR_A, SDCR_D
+	write32	RTCOR_A, RTCOR_D
+	write32	RTCSR_A, RTCSR_D
+
+	/* wait 200us */
+	mov.l	REPEAT_D, r3
+	mov	#0, r2
+repeat0:
+	add	#1, r2
+	cmp/hs	r3, r2
+	bf	repeat0
+	nop
+
+	mov.l	SDRAM_MODE, r1
+	mov	#0, r0
+	mov.l	r0, @r1
+
+	nop
+	rts
+
+	.align 4
+
+CCR1_A:		.long CCR1
+CCR1_D:		.long 0x0000090B
+FRQCR_A:	.long 0xFFFE0010
+FRQCR_D:	.word 0x1003
+.align 2
+STBCR3_A:	.long 0xFFFE0408
+STBCR3_D:	.long 0x00000002
+STBCR4_A:	.long 0xFFFE040C
+STBCR4_D:	.word 0x0000
+.align 2
+STBCR5_A:	.long 0xFFFE0410
+STBCR5_D:	.long 0x00000010
+STBCR6_A:	.long 0xFFFE0414
+STBCR6_D:	.long 0x00000002
+STBCR7_A:	.long 0xFFFE0418
+STBCR7_D:	.long 0x0000002A
+STBCR8_A:	.long 0xFFFE041C
+STBCR8_D:	.long 0x0000007E
+PJCR1_A:	.long 0xFFFE390C
+PJCR1_D1:	.word 0x0000
+PJCR1_D2:	.word 0x0022
+PJCR2_A:	.long 0xFFFE390A
+PJCR2_D:	.word 0x0000
+.align 2
+PJIOR0_A:	.long 0xFFFE3912
+PJIOR0_D1:	.word 0x0FC0
+PJIOR0_D2:	.word 0x0FE0
+PJDR0_A:	.long 0xFFFE3916
+PJDR0_D:	.word 0x0FBF
+.align 2
+PJPR0_A:	.long 0xFFFE391A
+PJPR0_D:	.long 0x00000FBF
+PGCR2_A:	.long 0xFFFE38CA
+PGCR2_D:	.word 0x0000
+.align 2
+PGIOR0_A:	.long 0xFFFE38D2
+PGIOR0_D:	.word 0x03F0
+.align 2
+WTCSR_A:	.long 0xFFFE0000
+WTCSR_D0:	.word 0x0000
+WTCSR_D1:	.word 0x0000
+WTCNT_A:	.long 0xFFFE0002
+WTCNT_D:	.word 0x0000
+.align 2
+PCCR0_A:	.long 0xFFFE384E
+PDCR0_A:	.long 0xFFFE386E
+PDCR1_A:	.long 0xFFFE386C
+PDCR2_A:	.long 0xFFFE386A
+PDCR3_A:	.long 0xFFFE3868
+PBCR0_A:	.long 0xFFFE382E
+PBCR1_A:	.long 0xFFFE382C
+PBCR2_A:	.long 0xFFFE382A
+PBCR3_A:	.long 0xFFFE3828
+PBCR4_A:	.long 0xFFFE3826
+PBCR5_A:	.long 0xFFFE3824
+PCCR0_D:	.word 0x1111
+PDCR0_D:	.word 0x1111
+PDCR1_D:	.word 0x1111
+PDCR2_D:	.word 0x1111
+PDCR3_D:	.word 0x1111
+PBCR0_D:	.word 0x1110
+PBCR1_D:	.word 0x1111
+PBCR2_D:	.word 0x1111
+PBCR3_D:	.word 0x1111
+PBCR4_D:	.word 0x1111
+PBCR5_D:	.word 0x0111
+.align 2
+CS0WCR_A:	.long 0xFFFC0028
+CS0WCR_D:	.long 0x00000B41
+CS0BCR_A:	.long 0xFFFC0004
+CS0BCR_D:	.long 0x10000400
+PJCR0_A:	.long 0xFFFE390E
+PJCR0_D:	.word 0x0300
+.align 2
+CS2WCR_A:	.long 0xFFFC0030
+CS2WCR_D:	.long 0x00000B01
+PCCR2_A:	.long 0xFFFE384A
+PCCR2_D:	.word 0x0001
+.align 2
+PCCR1_A:	.long 0xFFFE384C
+PCCR1_D:	.word 0x1111
+.align 2
+CS3BCR_A:	.long 0xFFFC0010
+CS3BCR_D:	.long 0x00004400
+CS3WCR_A:	.long 0xFFFC0034
+CS3WCR_D:	.long 0x0000288A
+SDCR_A:		.long 0xFFFC004C
+SDCR_D:		.long 0x00000812
+RTCOR_A:	.long 0xFFFC0058
+RTCOR_D:	.long 0xA55A0046
+RTCSR_A:	.long 0xFFFC0050
+RTCSR_D:	.long 0xA55A0010
+IBNR_A:		.long 0xFFFE080E
+IBNR_D:	.word 0x0000
+.align 2
+SDRAM_MODE:	.long 0xFFFC5040
+REPEAT_D:	.long 0x00000085
diff --git a/board/renesas/rsk7264/rsk7264.c b/board/renesas/rsk7264/rsk7264.c
new file mode 100644
index 0000000000..c23815d7a8
--- /dev/null
+++ b/board/renesas/rsk7264/rsk7264.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2011 Renesas Electronics Europe Ltd.
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Copyright (C) 2008 Nobuhiro Iwamatsu
+ *
+ * Based on u-boot/board/rsk7264/rsk7203.c
+ *
+ * This file is released under the terms of GPL v2 and any later version.
+ * See the file COPYING in the root directory of the source tree for details.
+ */
+
+#include <common.h>
+#include <net.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	puts("BOARD: Renesas Technology RSK7264\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;
+}
+
+void led_set_state(unsigned short value)
+{
+}
+
+/*
+ * The RSK board has the SMSC89218 wired up 'incorrectly'.
+ * Byte-swapping is necessary, and so poor performance is inevitable.
+ * This problem cannot evade by the swap function of CHIP, this can
+ * evade by software Byte-swapping.
+ * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
+ * functions necessary to solve this problem.
+ */
+u32 pkt_data_pull(struct eth_device *dev, u32 addr)
+{
+	volatile u16 *addr_16 = (u16 *)(dev->iobase + addr);
+	return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
+				| swab16(*(addr_16 + 1));
+}
+
+void pkt_data_push(struct eth_device *dev, u32 addr, u32 val)
+{
+	addr += dev->iobase;
+	*(volatile u16 *)(addr + 2) = swab16((u16)val);
+	*(volatile u16 *)(addr) = swab16((u16)(val >> 16));
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+#ifdef CONFIG_SMC911X
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+	return rc;
+}