summaryrefslogtreecommitdiffstats
path: root/obsolete-buildroot/sources/openwrt/kernel/diag.c
diff options
context:
space:
mode:
authormbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>2004-07-31 07:30:57 +0000
committermbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>2004-07-31 07:30:57 +0000
commit1dfdb01703ee80d615586a72d3e8de29d5c9c97e (patch)
tree917bbbcb8a47bea87b391155c1c0170bf6175f14 /obsolete-buildroot/sources/openwrt/kernel/diag.c
parent59c30bc41c97b06995b3285f287bc38a69d36fe5 (diff)
restructure; cleanup
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@120 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'obsolete-buildroot/sources/openwrt/kernel/diag.c')
-rw-r--r--obsolete-buildroot/sources/openwrt/kernel/diag.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/obsolete-buildroot/sources/openwrt/kernel/diag.c b/obsolete-buildroot/sources/openwrt/kernel/diag.c
new file mode 100644
index 000000000..6d93542f8
--- /dev/null
+++ b/obsolete-buildroot/sources/openwrt/kernel/diag.c
@@ -0,0 +1,145 @@
+// replacement diag module
+// (c) 2004 openwrt
+// mbm at alt dot org
+//
+// initial release 2004/03/28
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/timer.h>
+#include <linux/sysctl.h>
+#include <asm/io.h>
+#include <typedefs.h>
+#include <bcm4710.h>
+#include <sbutils.h>
+
+static void *sbh;
+
+// v2.x - - - - -
+#define DIAG_GPIO (1<<1)
+#define DMZ_GPIO (1<<7)
+
+static void set_gpio(uint32 mask, uint32 value) {
+ sb_gpiocontrol(sbh,mask,0);
+ sb_gpioouten(sbh,mask,mask);
+ sb_gpioout(sbh,mask,value);
+}
+
+static void v2_set_diag(u8 state) {
+ set_gpio(DIAG_GPIO,state);
+}
+static void v2_set_dmz(u8 state) {
+ set_gpio(DMZ_GPIO,state);
+}
+
+// v1.x - - - - -
+#define LED_DIAG 0x13
+#define LED_DMZ 0x12
+
+static void v1_set_diag(u8 state) {
+ if (!state) {
+ *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG)=0xFF;
+ } else {
+ *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG);
+ }
+}
+static void v1_set_dmz(u8 state) {
+ if (!state) {
+ *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ)=0xFF;
+ } else {
+ *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ);
+ }
+}
+
+// - - - - -
+static void ignore(u8 ignored) {};
+
+// - - - - -
+#define BIT_DMZ 0x01
+#define BIT_DIAG 0x04
+
+void (*set_diag)(u8 state);
+void (*set_dmz)(u8 state);
+
+static unsigned int diag = 0;
+static struct timer_list timer;
+
+static void diag_change()
+{
+ printk(KERN_INFO "led -> %02x\n",diag);
+
+ set_diag(0xFF); // off
+ set_dmz(0xFF); // off
+
+ if(diag & BIT_DIAG)
+ set_diag(0x00); // on
+ if(diag & BIT_DMZ)
+ set_dmz(0x00); // on
+}
+
+static int proc_diag(ctl_table *table, int write, struct file *filp,
+ void *buffer, size_t *lenp)
+{
+ int r;
+ r = proc_dointvec(table, write, filp, buffer, lenp);
+ if (write && !r) {
+ diag_change();
+ }
+ return r;
+}
+
+// - - - - -
+static struct ctl_table_header *diag_sysctl_header;
+
+static ctl_table sys_diag[] = {
+ {
+ ctl_name: 2000,
+ procname: "diag",
+ data: &diag,
+ maxlen: sizeof(diag),
+ mode: 0644,
+ proc_handler: proc_diag
+ },
+ { 0 }
+};
+
+static int __init diag_init()
+{
+ u32 board_type;
+ sbh = sb_kattach();
+ sb_gpiosetcore(sbh);
+
+ board_type = sb_boardtype(sbh);
+ printk(KERN_INFO "diag board_type: %08x\n",board_type);
+
+ if (board_type & 0x400) {
+ set_diag=v1_set_diag;
+ set_dmz=v1_set_dmz;
+ if (board_type==0x41d) {
+ printk(KERN_INFO "buffalo hack.\n");
+ set_diag=ignore;
+ set_dmz=v2_set_dmz;
+ }
+ board_type=1;
+ } else {
+ board_type=2;
+ set_diag=v2_set_diag;
+ set_dmz=v2_set_dmz;
+ }
+ printk(KERN_INFO "using v%d hardware\n",board_type);
+
+ diag_sysctl_header = register_sysctl_table(sys_diag, 0);
+ diag_change();
+
+ return 0;
+}
+
+static void __exit diag_exit()
+{
+ unregister_sysctl_table(diag_sysctl_header);
+ del_timer(&timer);
+}
+
+module_init(diag_init);
+module_exit(diag_exit);