sh: Add support for ecovec board

The ecovec board has SH7724, 256MB DDR2-SDRAM, USB,
Ethernet, and more.

This patch supports the following functions:
	- 256MB DDR2-SDRAM
	- USB
	- I2C
	- Ethernet

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

3 files changed, 373 insertions, 0 deletions

diff --git a/board/renesas/ecovec/Makefile b/board/renesas/ecovec/Makefile
new file mode 100644
index 0000000..8fdc0c9
--- /dev/null
+++ b/board/renesas/ecovec/Makefile
@@ -0,0 +1,38 @@
+#
+# Copyright (C) 2011 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+# Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS   := ecovec.o
+SOBJS   := lowlevel_init.o
+
+$(LIB): $(obj).depend $(COBJS) $(SOBJS)
+		$(call cmd_link_o_target, $(COBJS) $(SOBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/renesas/ecovec/ecovec.c b/board/renesas/ecovec/ecovec.c
new file mode 100644
index 0000000..275b0ba
--- /dev/null
+++ b/board/renesas/ecovec/ecovec.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2009, 2011 Renesas Solutions Corp.
+ * Copyright (C) 2009 Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@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 <command.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <i2c.h>
+#include <netdev.h>
+
+/* USB power management register */
+#define UPONCR0 0xA40501D4
+
+int checkboard(void)
+{
+	puts("BOARD: ecovec\n");
+	return 0;
+}
+
+int dram_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	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;
+}
+
+static void debug_led(u8 led)
+{
+	/* PDGR[0-4] is debug LED */
+	outb((inb(PGDR) & ~0x0F) | (led & 0x0F), PGDR);
+}
+
+int board_late_init(void)
+{
+	u8 mac[6];
+	char env_mac[17];
+	int i;
+
+	udelay(1000);
+
+	/* SH-Eth (PLCR, PNCR, PXCR, PSELx )*/
+	outw(inw(PLCR) & ~0xFFF0, PLCR);
+	outw(inw(PNCR) & ~0x000F, PNCR);
+	outw(inw(PXCR) & ~0x0FC0, PXCR);
+	outw((inw(PSELB) & ~0x030F) | 0x020A, PSELB);
+	outw((inw(PSELC) & ~0x0307) | 0x0207, PSELC);
+	outw((inw(PSELE) & ~0x00c0) | 0x0080, PSELE);
+
+	debug_led(1 << 3);
+
+	outl(inl(MSTPCR2) & ~0x10000000, MSTPCR2);
+
+	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	i2c_set_bus_num(CONFIG_SYS_I2C_MODULE); /* Use I2C 1 */
+
+	/* Read MAC address */
+	i2c_read(0x50, 0x10, 0, mac, 6);
+
+	/* Set MAC address */
+	sprintf(env_mac, "%02X:%02X:%02X:%02X:%02X:%02X",
+		mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+	setenv("ethaddr", env_mac);
+
+	debug_led(0x0F);
+
+	return 0;
+}
+
+int board_init(void)
+{
+
+	/* LED (PTG) */
+	outw((inw(PGCR) & ~0xFF) | 0x66, PGCR);
+	outw((inw(HIZCRA) & ~0x02), HIZCRA);
+
+	debug_led(1 << 0);
+
+	/* SCIF0 (PTF, PTM) */
+	outw(inw(PFCR) & ~0x30, PFCR);
+	outw(inw(PMCR) & ~0x0C, PMCR);
+	outw((inw(PSELA) & ~0x40) | 0x40, PSELA);
+
+	debug_led(1 << 1);
+
+	/* RMII (PTA) */
+	outw((inw(PACR) & ~0x0C) | 0x04, PACR);
+	outb((inb(PADR) & ~0x02) | 0x02, PADR);
+
+	debug_led(1 << 2);
+
+	/* USB host */
+	outw((inw(PBCR) & ~0x300) | 0x100, PBCR);
+	outb((inb(PBDR) & ~0x10) | 0x10, PBDR);
+	outl(inl(MSTPCR2) & 0x100000, MSTPCR2);
+	outw(0x0600, UPONCR0);
+
+	debug_led(1 << 3);
+
+	/* debug switch */
+	outw((inw(PVCR) & ~0x03) | 0x02 , PVCR);
+
+	return 0;
+}
diff --git a/board/renesas/ecovec/lowlevel_init.S b/board/renesas/ecovec/lowlevel_init.S
new file mode 100644
index 0000000..9fc63e0
--- /dev/null
+++ b/board/renesas/ecovec/lowlevel_init.S
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.Iwamatsu.yj@renesas.com>
+ *
+ * board/renesas/ecovec/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>
+#include <asm/macro.h>
+#include <configs/ecovec.h>
+
+	.global	lowlevel_init
+
+	.text
+	.align	2
+
+lowlevel_init:
+
+	/* jump to 0xA0020000 if bit 1 of PVDR_A */
+	mov.l	PVDR_A, r1
+	mov.l	PVDR_D, r2
+	mov.b	@r1, r0
+	tst	r0, r2
+	bt	1f
+	mov.l	JUMP_A, r1
+	jmp	@r1
+	nop
+
+1:
+	/* Disable watchdog */
+	write16 RWTCSR_A, RWTCSR_D
+
+	/* MMU Disable */
+	write32 MMUCR_A, MMUCR_D
+
+	/* Setup clocks */
+	write32 PLLCR_A, PLLCR_D
+	write32 FRQCRA_A, FRQCRA_D
+	write32 FRQCRB_A, FRQCRB_D
+
+	wait_timer TIMER_D
+
+	write32 MMSELR_A, MMSELR_D
+
+	/* Srtup BSC */
+	write32 CMNCR_A, CMNCR_D
+	write32 CS0BCR_A, CS0BCR_D
+	write32 CS0WCR_A, CS0WCR_D
+
+	wait_timer TIMER_D
+
+	/* Setup SDRAM */
+	write32 DBPDCNT0_A,	DBPDCNT0_D0
+	write32 DBCONF_A,	DBCONF_D
+	write32 DBTR0_A,	DBTR0_D
+	write32 DBTR1_A,	DBTR1_D
+	write32 DBTR2_A,	DBTR2_D
+	write32 DBTR3_A,	DBTR3_D
+	write32 DBKIND_A,	DBKIND_D
+	write32 DBCKECNT_A,	DBCKECNT_D
+
+	wait_timer TIMER_D
+
+	write32 DBCMDCNT_A,	DBCMDCNT_D0
+	write32 DBMRCNT_A, DBMRCNT_D0
+	write32 DBMRCNT_A, DBMRCNT_D1
+	write32 DBMRCNT_A, DBMRCNT_D2
+	write32 DBMRCNT_A, DBMRCNT_D3
+	write32 DBCMDCNT_A, DBCMDCNT_D0
+	write32 DBCMDCNT_A, DBCMDCNT_D1
+	write32 DBCMDCNT_A, DBCMDCNT_D1
+	write32 DBMRCNT_A, DBMRCNT_D4
+	write32 DBMRCNT_A, DBMRCNT_D5
+	write32 DBMRCNT_A, DBMRCNT_D6
+
+	wait_timer TIMER_D
+
+	write32 DBEN_A, DBEN_D
+	write32 DBRFPDN1_A, DBRFPDN1_D
+	write32 DBRFPDN2_A, DBRFPDN2_D
+	write32 DBCMDCNT_A, DBCMDCNT_D0
+
+
+	/* Dummy read */
+	mov.l DUMMY_A ,r1
+	synco
+	mov.l @r1, r0
+	synco
+
+	mov.l SDRAM_A ,r1
+	synco
+	mov.l @r1, r0
+	synco
+	wait_timer TIMER_D
+
+	add #4, r1
+	synco
+	mov.l @r1, r0
+	synco
+	wait_timer TIMER_D
+
+	add #4, r1
+	synco
+	mov.l @r1, r0
+	synco
+	wait_timer TIMER_D
+
+	add #4, r1
+	synco
+	mov.l @r1, r0
+	synco
+	wait_timer TIMER_D
+
+	write32 DBCMDCNT_A, DBCMDCNT_D0
+	write32 DBCMDCNT_A, DBCMDCNT_D1
+	write32 DBPDCNT0_A, DBPDCNT0_D1
+	write32 DBRFPDN0_A, DBRFPDN0_D
+
+	wait_timer TIMER_D
+
+	write32 CCR_A, CCR_D
+
+	stc	sr, r0
+	mov.l	SR_MASK_D, r1
+	and	r1, r0
+	ldc	r0, sr
+
+	rts
+
+	.align	2
+
+PVDR_A:		.long	PVDR
+PVDR_D:		.long	0x00000001
+JUMP_A:		.long	CONFIG_ECOVEC_ROMIMAGE_ADDR
+TIMER_D:	.long	64
+RWTCSR_A:	.long	RWTCSR
+RWTCSR_D:	.long	0x0000A507
+MMUCR_A:	.long	MMUCR
+MMUCR_D:	.long	0x00000004
+PLLCR_A:	.long	PLLCR
+PLLCR_D:	.long	0x00004000
+FRQCRA_A:	.long	FRQCRA
+FRQCRA_D:	.long	0x8E003508
+FRQCRB_A:	.long	FRQCRB
+FRQCRB_D:	.long	0x0
+MMSELR_A:	.long	MMSELR
+MMSELR_D:	.long	0xA5A50000
+CMNCR_A:	.long	CMNCR
+CMNCR_D:	.long	0x00000013
+CS0BCR_A:	.long	CS0BCR
+CS0BCR_D:	.long	0x11110400
+CS0WCR_A:	.long	CS0WCR
+CS0WCR_D:	.long	0x00000440
+DBPDCNT0_A:	.long	DBPDCNT0
+DBPDCNT0_D0: .long	0x00000181
+DBPDCNT0_D1: .long	0x00000080
+DBCONF_A:	.long	DBCONF
+DBCONF_D:	.long	0x015B0002
+DBTR0_A:	.long 	DBTR0
+DBTR0_D:	.long 	0x03061502
+DBTR1_A:	.long	DBTR1
+DBTR1_D:	.long	0x02020102
+DBTR2_A:	.long	DBTR2
+DBTR2_D:	.long	0x01090305
+DBTR3_A:	.long	DBTR3
+DBTR3_D:	.long	0x00000002
+DBKIND_A:	.long	DBKIND
+DBKIND_D:	.long	0x00000005
+DBCKECNT_A:	.long	DBCKECNT
+DBCKECNT_D:	.long	0x00000001
+DBCMDCNT_A:	.long	DBCMDCNT
+DBCMDCNT_D0:.long	0x2
+DBCMDCNT_D1:.long	0x4
+DBMRCNT_A:	.long	DBMRCNT
+DBMRCNT_D0:	.long	0x00020000
+DBMRCNT_D1:	.long	0x00030000
+DBMRCNT_D2:	.long	0x00010040
+DBMRCNT_D3:	.long	0x00000532
+DBMRCNT_D4:	.long	0x00000432
+DBMRCNT_D5:	.long	0x000103C0
+DBMRCNT_D6:	.long	0x00010040
+DBEN_A:		.long	DBEN
+DBEN_D:		.long	0x01
+DBRFPDN0_A:	.long	DBRFPDN0
+DBRFPDN1_A:	.long	DBRFPDN1
+DBRFPDN2_A:	.long	DBRFPDN2
+DBRFPDN0_D:	.long	0x00010000
+DBRFPDN1_D:	.long	0x00000613
+DBRFPDN2_D:	.long	0x238C003A
+SDRAM_A:	.long	0xa8000000
+DUMMY_A:	.long	0x0c400000
+CCR_A:		.long	CCR
+CCR_D:		.long	0x0000090B
+SR_MASK_D:	.long	0xEFFFFF0F