sh: Bring kgdb back from the dead.

This code has suffered quite a bit of bitrot, do some basic
tidying to get it to a reasonably functional state again.
This gets the basic support and the console working again.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 1 insertions, 93 deletions

diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 98802ab28211..f96490419768 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -25,11 +25,8 @@
 #include <asm/setup.h>
 #include <asm/clock.h>
 
-#ifdef CONFIG_SH_KGDB
-#include <asm/kgdb.h>
-static int kgdb_parse_options(char *options);
-#endif
 extern void * __rd_start, * __rd_end;
+
 /*
  * Machine setup..
  */
@@ -499,92 +496,3 @@ struct seq_operations cpuinfo_op = {
         .show   = show_cpuinfo,
 };
 #endif /* CONFIG_PROC_FS */
-
-#ifdef CONFIG_SH_KGDB
-/*
- * Parse command-line kgdb options.  By default KGDB is enabled,
- * entered on error (or other action) using default serial info.
- * The command-line option can include a serial port specification
- * and an action to override default or configured behavior.
- */
-struct kgdb_sermap kgdb_sci_sermap =
-{ "ttySC", 5, kgdb_sci_setup, NULL };
-
-struct kgdb_sermap *kgdb_serlist = &kgdb_sci_sermap;
-struct kgdb_sermap *kgdb_porttype = &kgdb_sci_sermap;
-
-void kgdb_register_sermap(struct kgdb_sermap *map)
-{
-        struct kgdb_sermap *last;
-
-        for (last = kgdb_serlist; last->next; last = last->next)
-                ;
-        last->next = map;
-        if (!map->namelen) {
-                map->namelen = strlen(map->name);
-        }
-}
-
-static int __init kgdb_parse_options(char *options)
-{
-        char c;
-        int baud;
-
-        /* Check for port spec (or use default) */
-
-        /* Determine port type and instance */
-        if (!memcmp(options, "tty", 3)) {
-                struct kgdb_sermap *map = kgdb_serlist;
-
-                while (map && memcmp(options, map->name, map->namelen))
-                        map = map->next;
-
-                if (!map) {
-                        KGDB_PRINTK("unknown port spec in %s\n", options);
-                        return -1;
-                }
-
-                kgdb_porttype = map;
-                kgdb_serial_setup = map->setup_fn;
-                kgdb_portnum = options[map->namelen] - '0';
-                options += map->namelen + 1;
-
-                options = (*options == ',') ? options+1 : options;
-
-                /* Read optional parameters (baud/parity/bits) */
-                baud = simple_strtoul(options, &options, 10);
-                if (baud != 0) {
-                        kgdb_baud = baud;
-
-                        c = toupper(*options);
-                        if (c == 'E' || c == 'O' || c == 'N') {
-                                kgdb_parity = c;
-                                options++;
-                        }
-
-                        c = *options;
-                        if (c == '7' || c == '8') {
-                                kgdb_bits = c;
-                                options++;
-                        }
-                        options = (*options == ',') ? options+1 : options;
-                }
-        }
-
-        /* Check for action specification */
-        if (!memcmp(options, "halt", 4)) {
-                kgdb_halt = 1;
-                options += 4;
-        } else if (!memcmp(options, "disabled", 8)) {
-                kgdb_enabled = 0;
-                options += 8;
-        }
-
-        if (*options) {
-                KGDB_PRINTK("ignored unknown options: %s\n", options);
-                return 0;
-        }
-        return 1;
-}
-__setup("kgdb=", kgdb_parse_options);
-#endif /* CONFIG_SH_KGDB */