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authorMichael Schwingen <michael@schwingen.org>2011-05-23 00:00:09 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-06-23 08:25:18 +0200
commit10c9787e683205aa780dba53fa9f43cdd529bec9 (patch)
tree58afd28da59d2e8afdfb93ba3d0db8464b530621 /board/dvlhost
parentd697d79f8d6b30a33e06ad729e5807a7acd0a760 (diff)
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add dvlhost (dLAN 200 AV Wireless G) board
Signed-off-by: Michael Schwingen <michael@schwingen.org>
Diffstat (limited to 'board/dvlhost')
-rw-r--r--board/dvlhost/Makefile50
-rw-r--r--board/dvlhost/dvlhost.c130
-rw-r--r--board/dvlhost/dvlhost_hw.h47
-rw-r--r--board/dvlhost/u-boot.lds87
-rw-r--r--board/dvlhost/watchdog.c43
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 */