ar71xx: adding u-boot for nbg460n

This adds u-boot for nbg460n ar71xx target,
as it is required as second stage bootloader.

Signed-off-by: Michael Kurz <michi.kurz@googlemail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24418 3c298f89-4303-0410-b956-a3cf2f4a3e73

5 files changed, 224 insertions, 0 deletions

diff --git a/package/uboot-ar71xx/files/board/zyxel/nbg460n/Makefile b/package/uboot-ar71xx/files/board/zyxel/nbg460n/Makefile
new file mode 100644
index 000000000..b0a385bab
--- /dev/null
+++ b/package/uboot-ar71xx/files/board/zyxel/nbg460n/Makefile
@@ -0,0 +1,46 @@
+#
+# (C) Copyright 2003-2008
+# 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).a
+
+COBJS-y += $(BOARD).o
+SOBJS-y += lowlevel_init.o
+
+SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS-y))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/package/uboot-ar71xx/files/board/zyxel/nbg460n/config.mk b/package/uboot-ar71xx/files/board/zyxel/nbg460n/config.mk
new file mode 100644
index 000000000..e042e78bf
--- /dev/null
+++ b/package/uboot-ar71xx/files/board/zyxel/nbg460n/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x81E00000
diff --git a/package/uboot-ar71xx/files/board/zyxel/nbg460n/lowlevel_init.S b/package/uboot-ar71xx/files/board/zyxel/nbg460n/lowlevel_init.S
new file mode 100644
index 000000000..83084c8d4
--- /dev/null
+++ b/package/uboot-ar71xx/files/board/zyxel/nbg460n/lowlevel_init.S
@@ -0,0 +1,39 @@
+/*
+ * (C) Copyright 2010
+ * Michael Kurz <michi.kurz@googlemail.com>.
+ *
+ * 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/regdef.h>
+#include <asm/mipsregs.h>
+#include <asm/addrspace.h>
+
+
+
+.globl lowlevel_init
+/*
+	All done by Bootbase, nothing to do
+*/
+lowlevel_init:
+    jr ra
+    nop
+
diff --git a/package/uboot-ar71xx/files/board/zyxel/nbg460n/nbg460n.c b/package/uboot-ar71xx/files/board/zyxel/nbg460n/nbg460n.c
new file mode 100644
index 000000000..03a479d52
--- /dev/null
+++ b/package/uboot-ar71xx/files/board/zyxel/nbg460n/nbg460n.c
@@ -0,0 +1,96 @@
+/*
+ * (C) Copyright 2010
+ * Michael Kurz <michi.kurz@googlemail.com>.
+ *
+ * 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 <netdev.h>
+#include <asm/mipsregs.h>
+#include <asm/addrspace.h>
+#include <asm/reboot.h>
+#include <asm/ar71xx.h>
+#include <asm/ar71xx_gpio.h>
+
+#define NBG460N_WAN_LED			19
+
+phys_size_t initdram(int board_type)
+{
+    return (32*1024*1024);
+}
+
+int checkboard(void)
+{
+	// Set pin 19 to 1, to stop WAN LED blinking
+    ar71xx_setpindir(NBG460N_WAN_LED, 1);
+    ar71xx_setpin(NBG460N_WAN_LED, 1);
+
+    printf("U-boot on Zyxel NBG460N\n");
+    return 0;
+}
+
+void _machine_restart(void)
+{
+	for (;;) {
+		writel((RESET_MODULE_FULL_CHIP | RESET_MODULE_DDR),
+			KSEG1ADDR(AR71XX_RESET_BASE + AR91XX_RESET_REG_RESET_MODULE));
+        readl(KSEG1ADDR(AR71XX_RESET_BASE + AR91XX_RESET_REG_RESET_MODULE));
+	}
+}
+
+int board_eth_init(bd_t *bis)
+{
+    char *phynames[] = {RTL8366_DEVNAME, RTL8366_DEVNAME};
+    u16 phyids[] = {RTL8366_LANPHY_ID, RTL8366_WANPHY_ID};
+    u16 phyfixed[] = {1, 0};
+
+    if (ag71xx_register(bis, phynames, phyids, phyfixed) <= 0)
+        return -1;
+
+	if (rtl8366s_initialize())
+        return -1;
+
+    if (rtl8366_mii_register(bis))
+        return -1;
+		
+    return 0;
+}
+
+int misc_init_r(void) {
+    uint8_t macaddr[6];
+    uint8_t enetaddr[6];
+
+	debug("Testing mac addresses\n");
+	
+    memcpy(macaddr, (uint8_t *) CONFIG_ETHADDR_ADDR, 6);
+
+    if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
+        debug("Setting eth0 mac addr to %pM\n", macaddr);
+        eth_setenv_enetaddr("ethaddr", macaddr);
+    }
+
+    if (!eth_getenv_enetaddr("eth1addr", enetaddr)) {
+		macaddr[5] += 1;
+        debug("Setting eth1 mac addr to %pM\n", macaddr);
+        eth_setenv_enetaddr("eth1addr", macaddr);
+    }
+
+    return 0;
+}
diff --git a/package/uboot-ar71xx/files/board/zyxel/nbg460n/u-boot.lds b/package/uboot-ar71xx/files/board/zyxel/nbg460n/u-boot.lds
new file mode 100644
index 000000000..8dc2b764c
--- /dev/null
+++ b/package/uboot-ar71xx/files/board/zyxel/nbg460n/u-boot.lds
@@ -0,0 +1,42 @@
+OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips", "elf32-tradbigmips")
+OUTPUT_ARCH(mips)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text       :
+	{
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata  : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data  : { *(.data) }
+
+	. = ALIGN(4);
+	.sdata  : { *(.sdata) }
+
+	_gp = ALIGN(16);
+
+	__got_start = .;
+	.got  : { *(.got) }
+	__got_end = .;
+
+	.sdata  : { *(.sdata) }
+
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	uboot_end_data = .;
+	num_got_entries = (__got_end - __got_start) >> 2;
+
+	. = ALIGN(4);
+	.sbss  : { *(.sbss) }
+	.bss  : { *(.bss) }
+	uboot_end = .;
+}