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add preliminary support for soekris boards

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1564 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nico 2005-07-25 15:40:23 +00:00
parent 99f2cce833
commit d13eeb4769
14 changed files with 1695 additions and 0 deletions
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38
openwrt/target/linux/Config.in
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@ -6,6 +6,7 @@ config BR2_LINUX_2_4
config BR2_LINUX_2_4_BRCM
bool "Support for Broadcom based routers"
default y
depends BR2_mipsel
help
Build firmware images for Broadcom based routers
(e.g. Linksys WRT54G(S), Asus WL-500g, Motorola WR850G)
@ -32,9 +33,29 @@ config BR2_LINUX_2_4_BRCM
config BR2_LINUX_2_4_AR7
bool "Support for TI AR7 based devices"
default n
depends BR2_mipsel
help
Build firmware images for TI AR7 based routers (w.g. Linksys WAG54G v2)
config BR2_LINUX_2_4_SOEKRIS
bool "Support for Soekris boards"
default n
depends BR2_i386
help
Build firmware images for Soekris based boards
(e.g. net4521, net4801)
config BR2_TARGET_NET4521
default y
depends BR2_LINUX_2_4_SOEKRIS
bool "Soekris net4521"
config BR2_TARGET_NET4801
default y
depends BR2_LINUX_2_4_SOEKRIS
bool "Soekris net4801"
comment "Kernel Modules"
config BR2_PACKAGE_KMOD_SANGAM_ATM
@ -293,4 +314,21 @@ config BR2_PACKAGE_KMOD_SCHED
help
Kernel schedulers for IP traffic
config BR2_PACKAGE_KMOD_NATSEMI
tristate "Soekris net4801 ethernet driver"
default y
depends BR2_LINUX_2_4_SOEKRIS
help
Driver for the National Semiconductor DP8381x series PCI Ethernet
found on Soekris net4801 boards
config BR2_PACKAGE_KMOD_WD1100
tristate "Soekris net4801 watchdog"
default y
depends BR2_LINUX_2_4_SOEKRIS
help
Driver for the NatSemi SC1x00 series Watchdog
found on Soekris net4801 boards
source "target/linux/package/Config.in"

1
openwrt/target/linux/Makefile
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@ -41,3 +41,4 @@ clean:
$(eval $(call kernel_template,2.4,brcm,2_4_BRCM))
$(eval $(call kernel_template,2.4,ar7,2_4_AR7))
$(eval $(call kernel_template,2.4,soekris,2_4_SOEKRIS))

6
openwrt/target/linux/control/kmod-natsemi.control Normal file
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@ -0,0 +1,6 @@
Package: kmod-natsemi
Priority: optional
Section: sys
Maintainer: OpenWrt Developers Team <bugs@openwrt.org>
Source: http://openwrt.org/cgi-bin/viewcvs.cgi/openwrt/target/linux/
Description: National Semiconductor DP8381x series PCI Ethernet kernel support

6
openwrt/target/linux/control/kmod-wd1100.control Normal file
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@ -0,0 +1,6 @@
Package: kmod-wd1100
Priority: optional
Section: sys
Maintainer: OpenWrt Developers Team <bugs@openwrt.org>
Source: http://openwrt.org/cgi-bin/viewcvs.cgi/openwrt/target/linux/
Description: NatSemi SC1x00 series Watchdog kernel support

4
openwrt/target/linux/image/Makefile
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@ -14,6 +14,10 @@ ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS_LZMA),y)
include ./squashfs.mk
endif
ifeq ($(BR2_TARGET_ROOTFS_TGZ),y)
include ./tgz.mk
endif
prepare:
compile:
install:

10
openwrt/target/linux/image/soekris/Makefile Normal file
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@ -0,0 +1,10 @@
include $(TOPDIR)/rules.mk
KDIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
$(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tar.gz: $(KDIR)/rootfs.tar.gz
cp $^ $@
prepare:
compile:
install: $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tar.gz

4
openwrt/target/linux/linux-2.4/Makefile
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@ -55,6 +55,10 @@ ifeq ($(BOARD),brcm)
include ./broadcom.mk
endif
ifeq ($(BOARD),soekris)
include ./soekris.mk
endif
ifeq ($(BOARD),ar7)
include ./ar7.mk
endif

1116
openwrt/target/linux/linux-2.4/config/soekris Normal file
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File diff suppressed because it is too large Load Diff

2
openwrt/target/linux/linux-2.4/config/soekris.modules Normal file
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@ -0,0 +1,2 @@
natsemi
wd1100

40
openwrt/target/linux/linux-2.4/patches/soekris/001-mgeode-cpu.patch Normal file
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@ -0,0 +1,40 @@
diff -Nur linux-2.4.29/arch/i386/Makefile linux-2.4.29_geode/arch/i386/Makefile
--- linux-2.4.29/arch/i386/Makefile Wed Nov 17 12:54:21 2004
+++ linux-2.4.29_geode/arch/i386/Makefile Tue Feb 15 23:41:54 2005
@@ -94,6 +94,10 @@
CFLAGS += $(call check_gcc,-march=c3-2,-march=i686)
endif
+ifdef CONFIG_MGEODE
+CFLAGS += -march=i586
+endif
+
# Disable unit-at-a-time mode, it makes gcc use a lot more stack
# due to the lack of sharing of stacklots.
CFLAGS += $(call check_gcc,-fno-unit-at-a-time,)
diff -Nur linux-2.4.29/arch/i386/config.in linux-2.4.29_geode/arch/i386/config.in
--- linux-2.4.29/arch/i386/config.in Wed Nov 17 12:54:21 2004
+++ linux-2.4.29_geode/arch/i386/config.in Tue Feb 15 23:41:54 2005
@@ -42,6 +42,7 @@
Winchip-C6 CONFIG_MWINCHIPC6 \
Winchip-2 CONFIG_MWINCHIP2 \
Winchip-2A/Winchip-3 CONFIG_MWINCHIP3D \
+ MediaGX/Geode CONFIG_MGEODE \
CyrixIII/VIA-C3 CONFIG_MCYRIXIII \
VIA-C3-2 CONFIG_MVIAC3_2" Pentium-Pro
#
@@ -162,6 +163,14 @@
define_bool CONFIG_X86_ALIGNMENT_16 y
define_bool CONFIG_X86_USE_PPRO_CHECKSUM y
define_bool CONFIG_X86_F00F_WORKS_OK y
+fi
+if [ "$CONFIG_MGEODE" = "y" ]; then
+ define_int CONFIG_X86_L1_CACHE_SHIFT 5
+ define_bool CONFIG_X86_USE_STRING_486 y
+ define_bool CONFIG_X86_ALIGNMENT_16 y
+ define_bool CONFIG_X86_TSC y
+ define_bool CONFIG_X86_PPRO_FENCE y
+ define_bool CONFIG_X86_OOSTORE y
fi
if [ "$CONFIG_MCRUSOE" = "y" ]; then
define_int CONFIG_X86_L1_CACHE_SHIFT 5

417
openwrt/target/linux/linux-2.4/patches/soekris/002-wd1100.patch Normal file
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@ -0,0 +1,417 @@
diff -Nur linux-2.4.29/drivers/char/Config.in linux-2.4.29_geode/drivers/char/Config.in
--- linux-2.4.29/drivers/char/Config.in Sun Aug 8 01:26:04 2004
+++ linux-2.4.29_geode/drivers/char/Config.in Tue Feb 15 23:41:54 2005
@@ -270,6 +270,7 @@
fi
fi
tristate ' ZF MachZ Watchdog' CONFIG_MACHZ_WDT
+ tristate ' Embedded NatSemi SC1x00 Watchdog' CONFIG_WD1100
if [ "$CONFIG_SGI_IP22" = "y" ]; then
dep_tristate ' Indy/I2 Hardware Watchdog' CONFIG_INDYDOG $CONFIG_SGI_IP22
fi
diff -Nur linux-2.4.29/drivers/char/Makefile linux-2.4.29_geode/drivers/char/Makefile
--- linux-2.4.29/drivers/char/Makefile Sun Aug 8 01:26:04 2004
+++ linux-2.4.29_geode/drivers/char/Makefile Tue Feb 15 23:41:54 2005
@@ -302,6 +302,7 @@
obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o
obj-$(CONFIG_IB700_WDT) += ib700wdt.o
+obj-$(CONFIG_WD1100) += wd1100.o
obj-$(CONFIG_MIXCOMWD) += mixcomwd.o
obj-$(CONFIG_60XX_WDT) += sbc60xxwdt.o
obj-$(CONFIG_W83877F_WDT) += w83877f_wdt.o
diff -Nur linux-2.4.29/drivers/char/wd1100.c linux-2.4.29_geode/drivers/char/wd1100.c
--- linux-2.4.29/drivers/char/wd1100.c Thu Jan 1 01:00:00 1970
+++ linux-2.4.29_geode/drivers/char/wd1100.c Tue Feb 15 23:41:54 2005
@@ -0,0 +1,391 @@
+/*
+ * National Semiconductor SC1x00 CPU watchdog driver
+ * Copyright (c) Inprimis Technologies 2002
+ *
+ * by Mark Grosberg <markg@inprimis.com>
+ * and Rolando Goldman <rolandog@inprimis.com>
+ *
+ * Minor changes by Kianusch Sayah Karadji <kianusch@sk-tech.net>
+ * ( Soekris net4801 Support, module-parameter )
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/spinlock.h>
+#include <linux/sysctl.h>
+#include <linux/pci.h>
+
+/*
+ * Since the SC1100 is an x86 clone, we don't even bother with
+ * allowing other architectures to compile us.
+ */
+#ifndef CONFIG_X86
+# error Sorry this driver is only for x86.
+#endif
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+#include <asm/processor.h>
+
+/* #define DEBUG_WD1100 */
+
+static int proc_wd_timeout(ctl_table *ctl,
+ int write,
+ struct file *file,
+ void *buffer,
+ size_t *lenp);
+static int proc_wd_graceful(ctl_table *ctl,
+ int write,
+ struct file *file,
+ void *buffer,
+ size_t *lenp);
+
+/* Register definitions */
+
+#define SC1100_F5_VENDOR_ID 0x100B
+#define SC1100_F5_DEVICE_ID 0x0515
+
+#define CPU_WDTO_REG 0x00 /* watchdog time out, 16 bit register */
+#define CPU_WDCNFG_REG 0x02 /* watchdog config , 16 bit register */
+#define CPU_WDSTS_REG 0x04 /* watchdog status , 8 bit register */
+
+/* Default timeout: 4 seconds (changeable via sysctl) */
+static unsigned int sysctl_wd_timeout = 0;
+static unsigned int sysctl_wd_graceful = 0;
+
+static unsigned int timeout = 4;
+static unsigned int graceful = 1;
+
+MODULE_PARM (timeout, "i");
+MODULE_PARM (graceful, "i");
+
+static int in_use = 0;
+static unsigned short cpu_base;
+static spinlock_t wd_lock;
+
+/**************************************************************************/
+
+/* XXX To-do: DEV_WATCHDOG must be in include/linux/sysctl.h */
+enum
+{ DEV_WATCHDOG = 6 };
+
+enum
+{
+ DEV_WD_TIMEOUT = 1,
+ DEV_WD_GRACEFUL = 2
+};
+
+static struct ctl_table_header *wd_table_header;
+
+static ctl_table wd_table[] = {
+ {
+ DEV_WD_TIMEOUT, "timeout",
+ &sysctl_wd_timeout, sizeof(int), 0644, NULL, &proc_wd_timeout
+ },
+
+ {
+ DEV_WD_GRACEFUL, "graceful",
+ &sysctl_wd_graceful, sizeof(int), 0644, NULL, &proc_wd_graceful
+ },
+
+ {0}
+};
+
+static ctl_table wd_dir_table[] = {
+ {DEV_WATCHDOG, "wd", NULL, 0, 0555, wd_table},
+ {0}
+};
+
+static ctl_table wd_root_table[] = {
+ {CTL_DEV, "dev", NULL, 0, 0555, wd_dir_table},
+ {0}
+};
+
+static int proc_wd_timeout(ctl_table *ctl,
+ int write,
+ struct file *file,
+ void *buffer,
+ size_t *lenp)
+{
+ int rc;
+
+ rc = proc_dointvec(ctl, write, file, buffer, lenp);
+ if (write && (rc == 0))
+ {
+ /* Clamp to limits. */
+ if (sysctl_wd_timeout < 1)
+ sysctl_wd_timeout = 1;
+ else if (sysctl_wd_timeout > 65535)
+ sysctl_wd_timeout = 65535;
+ }
+
+ return (rc);
+}
+
+static int proc_wd_graceful(ctl_table *ctl,
+ int write,
+ struct file *file,
+ void *buffer,
+ size_t *lenp)
+{
+ int rc;
+
+ rc = proc_dointvec(ctl, write, file, buffer, lenp);
+ if (write && (rc == 0))
+ {
+ /* Clamp to true/false. */
+ if (sysctl_wd_graceful)
+ sysctl_wd_graceful = 1;
+ }
+
+ return (rc);
+}
+
+/**************************************************************************/
+
+static __inline__ void reset_wd(void)
+{
+ outw(sysctl_wd_timeout * 8, cpu_base + CPU_WDTO_REG);
+}
+
+static int reboot_reason(void)
+{
+ static int result;
+ static int fetched = 0;
+
+ if (!fetched)
+ {
+ unsigned char sr;
+
+ sr = inb(cpu_base + CPU_WDSTS_REG);
+ outb(sr | 1, cpu_base + CPU_WDSTS_REG);
+
+ fetched = 1;
+ }
+
+ return (result);
+}
+
+static struct watchdog_info wd_info =
+{
+ 0, /* Options */
+ 0, /* Firmware version */
+ "NSC SC1x00 WD"
+};
+
+static int wd_ioctl(struct inode *inode,
+ struct file *file,
+ unsigned int cmd,
+ unsigned long arg)
+{
+ int i;
+
+ switch (cmd)
+ {
+ default:
+ return (-ENOTTY);
+
+ case WDIOC_GETSUPPORT:
+ i = verify_area(VERIFY_WRITE, (void *)arg, sizeof(struct watchdog_info));
+ if (i)
+ return (i);
+ else
+ return copy_to_user((struct watchdog_info *)arg,
+ &wd_info,
+ sizeof(wd_info));
+ break;
+
+ case WDIOC_KEEPALIVE:
+ reset_wd();
+ return (0);
+
+ case WDIOC_GETBOOTSTATUS:
+ i = reboot_reason();
+ return (put_user(i, (int *)arg));
+
+ case WDIOC_GETSTATUS:
+ i = inw(cpu_base + CPU_WDTO_REG) / 8;
+ return (put_user(i, (int *)arg));
+ }
+}
+
+static int wd_open(struct inode *inode,
+ struct file *file)
+{
+ spin_lock(&wd_lock);
+ if (in_use)
+ {
+ spin_unlock(&wd_lock);
+ return (-EBUSY);
+ }
+ else
+ in_use++;
+
+ spin_unlock(&wd_lock);
+
+ MOD_INC_USE_COUNT;
+
+ /*
+ * Configure the chip to do a reset if the timer goes to 0.
+ * Set the clock divisor to 4096.
+ */
+
+ outw(0xfc, cpu_base + CPU_WDCNFG_REG);
+
+ /* Start the watchdog: It won't run until we write the TO reg. */
+ reset_wd();
+
+ return (0);
+}
+
+static int wd_release(struct inode *inode,
+ struct file *file)
+{
+ spin_lock(&wd_lock);
+
+ in_use = 0;
+
+ /*
+ * If graceful shutdown is not set, then don't bother to stop the
+ * watchdog timer. This handles the scenario where the user process
+ * that is poking the watchdog gets terminated due to some error
+ * (say a SEGV or some VM condition).
+ *
+ * In that case, the kernel would happily close the descriptor for
+ * us and leave us in a state where we aren't watching the dog...
+ *
+ * To work around this, the "graceful" sysctl prevents reset of the
+ * watchdog on close.
+ */
+ if (sysctl_wd_graceful)
+ outw(0, cpu_base + CPU_WDCNFG_REG);
+
+ spin_unlock(&wd_lock);
+ MOD_DEC_USE_COUNT;
+
+ return (0);
+}
+
+static ssize_t wd_write(struct file *file,
+ const char *data,
+ size_t len,
+ loff_t *ppos)
+{
+ /* Device is non-seekable. */
+ if (ppos != &file->f_pos)
+ return (-ESPIPE);
+
+ if (len > 0)
+ reset_wd();
+
+ return (len);
+}
+
+static struct file_operations wd_fops=
+{
+ owner: THIS_MODULE,
+ write: wd_write,
+ ioctl: wd_ioctl,
+ open: wd_open,
+ release: wd_release,
+};
+
+static struct miscdevice sc1x00wd_miscdev=
+{
+ WATCHDOG_MINOR,
+ "watchdog",
+ &wd_fops
+};
+
+static int __init wd_init(void)
+{
+ int ret;
+ struct pci_dev *dev;
+ unsigned int cw;
+
+ if (timeout < 1)
+ timeout = 1;
+ else if (timeout > 65535)
+ timeout = 65535;
+
+ if (graceful != 0)
+ graceful = 1;
+
+ sysctl_wd_timeout=timeout;
+ sysctl_wd_graceful=graceful;
+
+ if ((strcmp(boot_cpu_data.x86_vendor_id, "Geode by NSC") != 0)
+ || ((boot_cpu_data.x86_model != 4) && boot_cpu_data.x86_model != 9))
+ {
+ printk(KERN_WARNING "wd1100.c: This is not an SC1100 processor!\n");
+ return (0);
+ }
+
+ /* get the CONFIG BLOCK ADDRESS from scratch pad register */
+ dev = pci_find_device(SC1100_F5_VENDOR_ID,SC1100_F5_DEVICE_ID,0);
+ if (dev == NULL)
+ {
+ printk(KERN_ERR "wd1100.c: Can not find bridge device.\n");
+ return (0);
+ }
+
+ pci_read_config_dword(dev, 0x64, &cw);
+ cpu_base = (unsigned short )cw;
+
+#ifdef DEBUG_WD1100
+ printk("wd1100.c: CPU base = 0x%X\n", (unsigned int )cpu_base);
+#endif
+
+ printk(KERN_INFO "SC1x00 Watchdog driver by Inprimis Technolgies.\n");
+ /*
+ * We must call reboot_reason() to reset the flag in the WD.
+ *
+ * Even though it is available as an ioctl(), we call it during
+ * module initialization to perform the clear. You can take out
+ * the printk(), but don't take out the call to reboot_reason().
+ */
+ if (reboot_reason())
+ printk(KERN_INFO "Last reboot was by watchdog!\n");
+
+ spin_lock_init(&wd_lock);
+
+ ret = misc_register(&sc1x00wd_miscdev);
+ if (ret)
+ printk(KERN_ERR "wd1100.c: Can't register device.\n");
+ else
+ {
+ wd_table_header = register_sysctl_table(wd_root_table, 1);
+ if (wd_table_header == NULL)
+ printk(KERN_ERR "wd1100.c: Can't register sysctl.\n");
+ }
+
+ return 0;
+}
+
+static void __exit wd_exit(void)
+{
+ if (wd_table_header != NULL)
+ unregister_sysctl_table(wd_table_header);
+
+ misc_deregister(&sc1x00wd_miscdev);
+}
+
+EXPORT_NO_SYMBOLS;
+
+module_init(wd_init);
+module_exit(wd_exit);
+
+MODULE_LICENSE("GPL");
+

14
openwrt/target/linux/linux-2.4/patches/soekris/003-mgeode-pci.patch Normal file
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@ -0,0 +1,14 @@
diff -Nur linux-2.4.29/drivers/pci/pci.c linux-2.4.29_geode/drivers/pci/pci.c
--- linux-2.4.29/drivers/pci/pci.c Wed Nov 17 12:54:21 2004
+++ linux-2.4.29_geode/drivers/pci/pci.c Tue Feb 15 23:41:54 2005
@@ -1486,6 +1486,10 @@
for (func = 0; func < 8; func++, temp->devfn++) {
if (pci_read_config_byte(temp, PCI_HEADER_TYPE, &hdr_type))
continue;
+#ifdef CONFIG_MGEODE
+ if (hdr_type & 0x7f > PCI_HEADER_TYPE_CARDBUS)
+ continue;
+#endif
temp->hdr_type = hdr_type & 0x7f;
dev = pci_scan_device(temp);

11
openwrt/target/linux/linux-2.4/soekris.mk Normal file
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@ -0,0 +1,11 @@
# $Id$
# soekris specific kmod packages
$(eval $(call KMOD_template,NATSEMI,natsemi,\
$(MODULES_DIR)/kernel/drivers/net/natsemi.o \
,CONFIG_NATSEMI))
$(eval $(call KMOD_template,WD1100,wd1100,\
$(MODULES_DIR)/kernel/drivers/char/wd1100.o \
,CONFIG_WD1100))

26
openwrt/target/linux/package/openwrt/files/network.overrides.soekris Normal file
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@ -0,0 +1,26 @@
# NVRAM overrides
#
# This file handles the NVRAM quirks of various hardware.
# THIS FILE IS NOT A REPLACEMENT FOR NVRAM
# Load sysconf defaults
[ -f /etc/sysconf ] && . /etc/sysconf
DEFAULT_lan_proto="static"
DEFAULT_lan_ifname="br0"
DEFAULT_lan_ifnames="eth0"
DEFAULT_lan_ipaddr=${BR2_SYSCONF_FAILSAFE_IP:-"192.168.1.1"}
DEFAULT_lan_netmask=${BR2_SYSCONF_FAILSAFE_NETMASK:-"255.255.255.0"}
DEFAULT_lan_hwaddr=${BR2_SYSCONF_FAILSAFE_MAC:-"00:0B:AD:0A:DD:00"}
# failsafe if reset is held
[ "$FAILSAFE" = "true" ] && {
echo "### YOU ARE IN FAILSAFE MODE ####"
lan_ifname=${DEFAULT_lan_proto}
lan_ifnames=${FAILSAFE_ifnames:-${DEFAULT_lan_ifnames}}
lan_ipaddr=$DEFAULT_lan_ipaddr
lan_netmask=$DEFAULT_lan_netmask
lan_hwaddr=$DEFAULT_lan_hwaddr
wan_ifname="none"
wifi_ifname="none"
}