add dvlhost (dLAN 200 AV Wireless G) board

Signed-off-by: Michael Schwingen <michael@schwingen.org>

5 files changed, 357 insertions, 0 deletions

diff --git a/board/dvlhost/Makefile b/board/dvlhost/Makefile
new file mode 100644
index 0000000..af9a644
--- /dev/null
+++ b/board/dvlhost/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2000-2006
+# 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).o
+
+COBJS	:= dvlhost.o watchdog.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/dvlhost/dvlhost.c b/board/dvlhost/dvlhost.c
new file mode 100644
index 0000000..561e47f
--- /dev/null
+++ b/board/dvlhost/dvlhost.c
@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2009
+ * Michael Schwingen, michael@schwingen.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 <config.h>
+#include <command.h>
+#include <malloc.h>
+#include <asm/arch/ixp425.h>
+#include <asm/io.h>
+#include <miiphy.h>
+#ifdef CONFIG_PCI
+#include <pci.h>
+#include <asm/arch/ixp425pci.h>
+#endif
+
+#include "dvlhost_hw.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+	/* CS1: LED Latch */
+	writel(0xBFFF0002, IXP425_EXP_CS1);
+	return 0;
+}
+
+int board_init(void)
+{
+	gd->bd->bi_arch_number = MACH_TYPE_DVLHOST;
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = 0x00000100;
+
+	/* Setup GPIOs used as output */
+	GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDGTRIGGER);
+	GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DLAN_PAIRING);
+	GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PCIRST);
+
+	/*
+	 * LED latch enable and watchdog enable are tied to the same GPIO,
+	 * so we need to trigger the watchdog if we want to enable the LEDs.
+	*/
+#ifdef CONFIG_HW_WATCHDOG
+	GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDG_LED_EN);
+#else
+	GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_WDG_LED_EN);
+#endif
+
+	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDGTRIGGER);
+	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DLAN_PAIRING);
+	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDG_LED_EN);
+	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCIRST);
+
+	/* Setup GPIOs for Interrupt inputs */
+	GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_WLAN);
+	GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_PAIRING);
+	GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_RESET);
+	GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQA);
+	GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQB);
+
+	/* Setup GPIO's for 33MHz clock output */
+	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
+	GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
+	writel(0x01FF01FF, IXP425_GPIO_GPCLKR);
+
+	/* turn off all LEDs */
+	writew(0x0000, DVLHOST_LED_LATCH);
+
+	udelay(533);
+	GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_PCIRST);
+
+	return 0;
+}
+
+/* Check Board Identity */
+int checkboard(void)
+{
+	char *s = getenv("serial#");
+
+	puts("Board: dLAN 200AV (dvlhost)");
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20);
+	return 0;
+}
+
+#ifdef CONFIG_PCI
+struct pci_controller hose;
+
+void pci_init_board(void)
+{
+	pci_ixp_init(&hose);
+}
+#endif
+
+void reset_phy(void)
+{
+	/* init IcPlus IP175C ethernet switch to native IP175C mode */
+	miiphy_write("NPE1", 29, 31, 0x175C);
+}
diff --git a/board/dvlhost/dvlhost_hw.h b/board/dvlhost/dvlhost_hw.h
new file mode 100644
index 0000000..5e2d0b0
--- /dev/null
+++ b/board/dvlhost/dvlhost_hw.h
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2009
+ * Michael Schwingen, michael@schwingen.org
+ *
+ * hardware register definitions for the
+ * dLAN200 AV Wireless G ("dvlhost") board.
+ *
+ * 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
+ */
+
+#ifndef _DVLHOST_HW_H
+#define _DVLHOST_HW_H
+
+/*
+ * GPIO settings
+ */
+#define CONFIG_SYS_GPIO_WDGTRIGGER	0 /* Out */
+#define CONFIG_SYS_GPIO_BTN_WLAN	1
+#define CONFIG_SYS_GPIO_BTN_PAIRING	6
+#define CONFIG_SYS_GPIO_DLAN_PAIRING	7 /* Out */
+#define CONFIG_SYS_GPIO_BTN_RESET	9
+#define CONFIG_SYS_GPIO_IRQB		10
+#define CONFIG_SYS_GPIO_IRQA		11
+#define CONFIG_SYS_GPIO_WDG_LED_EN	12 /* Out */
+#define CONFIG_SYS_GPIO_PCIRST		13 /* Out */
+#define CONFIG_SYS_GPIO_PCI_CLK		14 /* Out */
+#define CONFIG_SYS_GPIO_EXTBUS_CLK	15 /* Out */
+
+#define DVLHOST_LED_LATCH	IXP425_EXP_BUS_CS1_BASE_PHYS
+
+#endif
diff --git a/board/dvlhost/u-boot.lds b/board/dvlhost/u-boot.lds
new file mode 100644
index 0000000..01ec390
--- /dev/null
+++ b/board/dvlhost/u-boot.lds
@@ -0,0 +1,87 @@
+/*
+ * (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
+ */
+
+OUTPUT_FORMAT ("elf32-bigarm", "elf32-bigarm", "elf32-bigarm")
+OUTPUT_ARCH (arm)
+ENTRY (_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN (4);
+	.text : {
+		arch/arm/cpu/ixp/start.o(.text*)
+		net/libnet.o(.text*)
+		board/dvlhost/libdvlhost.o(.text*)
+		arch/arm/cpu/ixp/libixp.o(.text*)
+		drivers/serial/libserial.o(.text*)
+
+		. = env_offset;
+		common/env_embedded.o(.ppcenv)
+		*(.text*)
+	}
+
+	. = ALIGN (4);
+	.rodata : {
+		*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+	}
+	. = ALIGN (4);
+	.data : {
+		*(.data*)
+	}
+	. = ALIGN (4);
+	.got : {
+		*(.got)
+	}
+	. =.;
+	__u_boot_cmd_start =.;
+	.u_boot_cmd : {
+		*(.u_boot_cmd)
+	}
+	__u_boot_cmd_end =.;
+
+	. = ALIGN (4);
+	.rel.dyn : {
+		__rel_dyn_start = .;
+		*(.rel*)
+		__rel_dyn_end = .;
+	}
+
+	.dynsym : {
+		__dynsym_start = .;
+		*(.dynsym)
+	}
+
+	.bss __rel_dyn_start (OVERLAY) : {
+		__bss_start = .;
+		*(.bss*)
+		 . = ALIGN(4);
+		_end = .;
+	}
+	__bss_end__ =.;
+	/DISCARD/ : { *(.dynstr*) }
+	/DISCARD/ : { *(.dynamic*) }
+	/DISCARD/ : { *(.plt*) }
+	/DISCARD/ : { *(.interp*) }
+	/DISCARD/ : { *(.gnu*) }
+}
diff --git a/board/dvlhost/watchdog.c b/board/dvlhost/watchdog.c
new file mode 100644
index 0000000..bf83684
--- /dev/null
+++ b/board/dvlhost/watchdog.c
@@ -0,0 +1,43 @@
+/*
+ * (C) Copyright 2009
+ * Michael Schwingen, michael@schwingen.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 <config.h>
+#include <asm/io.h>
+#include "dvlhost_hw.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_HW_WATCHDOG
+#include <watchdog.h>
+#include <asm/arch/ixp425.h>
+
+void hw_watchdog_reset(void)
+{
+	unsigned int x;
+	x = readl(IXP425_GPIO_GPOUTR);
+	x ^= (1 << (CONFIG_SYS_GPIO_WDGTRIGGER));
+	writel(x, IXP425_GPIO_GPOUTR);
+}
+
+#endif /* CONFIG_HW_WATCHDOG */