1 files changed, 4 insertions, 180 deletions

diff --git a/arch/ppc/xmon/start.c b/arch/ppc/xmon/start.c
index 4344cbe9b5c5..ff86b2d814cb 100644
--- a/arch/ppc/xmon/start.c
+++ b/arch/ppc/xmon/start.c
@@ -6,16 +6,11 @@
 #include <asm/machdep.h>
 #include <asm/io.h>
 #include <asm/page.h>
-#include <linux/adb.h>
-#include <linux/pmu.h>
-#include <linux/cuda.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/sysrq.h>
 #include <linux/bitops.h>
 #include <asm/xmon.h>
-#include <asm/prom.h>
-#include <asm/bootx.h>
 #include <asm/machdep.h>
 #include <asm/errno.h>
 #include <asm/processor.h>
@@ -26,9 +21,7 @@ static volatile unsigned char *sccc, *sccd;
 unsigned int TXRDY, RXRDY, DLAB;
 static int xmon_expect(const char *str, unsigned int timeout);
 
-static int use_screen;
 static int via_modem;
-static int xmon_use_sccb;
 
 #define TB_SPEED        25000000
 
@@ -46,47 +39,6 @@ void buf_access(void)
                 sccd[3] &= ~DLAB;       /* reset DLAB */
 }
 
-extern int adb_init(void);
-
-#ifdef CONFIG_PPC_CHRP
-/*
- * This looks in the "ranges" property for the primary PCI host bridge
- * to find the physical address of the start of PCI/ISA I/O space.
- * It is basically a cut-down version of pci_process_bridge_OF_ranges.
- */
-static unsigned long chrp_find_phys_io_base(void)
-{
-        struct device_node *node;
-        unsigned int *ranges;
-        unsigned long base = CHRP_ISA_IO_BASE;
-        int rlen = 0;
-        int np;
-
-        node = find_devices("isa");
-        if (node != NULL) {
-                node = node->parent;
-                if (node == NULL || node->type == NULL
-                    || strcmp(node->type, "pci") != 0)
-                        node = NULL;
-        }
-        if (node == NULL)
-                node = find_devices("pci");
-        if (node == NULL)
-                return base;
-
-        ranges = (unsigned int *) get_property(node, "ranges", &rlen);
-        np = prom_n_addr_cells(node) + 5;
-        while ((rlen -= np * sizeof(unsigned int)) >= 0) {
-                if ((ranges[0] >> 24) == 1 && ranges[2] == 0) {
-                        /* I/O space starting at 0, grab the phys base */
-                        base = ranges[np - 3];
-                        break;
-                }
-                ranges += np;
-        }
-        return base;
-}
-#endif /* CONFIG_PPC_CHRP */
 
 #ifdef CONFIG_MAGIC_SYSRQ
 static void sysrq_handle_xmon(int key, struct pt_regs *regs,
@@ -109,22 +61,6 @@ xmon_map_scc(void)
 #ifdef CONFIG_PPC_MULTIPLATFORM
         volatile unsigned char *base;
 
-#ifdef CONFIG_PPC_CHRP
-        base = (volatile unsigned char *) isa_io_base;
-        if (_machine == _MACH_chrp)
-                base = (volatile unsigned char *)
-                        ioremap(chrp_find_phys_io_base(), 0x1000);
-
-        sccc = base + 0x3fd;
-        sccd = base + 0x3f8;
-        if (xmon_use_sccb) {
-                sccc -= 0x100;
-                sccd -= 0x100;
-        }
-        TXRDY = 0x20;
-        RXRDY = 1;
-        DLAB = 0x80;
-#endif /* CONFIG_PPC_CHRP */
 #elif defined(CONFIG_GEMINI)
         /* should already be mapped by the kernel boot */
         sccc = (volatile unsigned char *) 0xffeffb0d;
@@ -143,22 +79,9 @@ xmon_map_scc(void)
         register_sysrq_key('x', &sysrq_xmon_op);
 }
 
-static int scc_initialized = 0;
+static int scc_initialized;
 
 void xmon_init_scc(void);
-extern void cuda_poll(void);
-
-static inline void do_poll_adb(void)
-{
-#ifdef CONFIG_ADB_PMU
-        if (sys_ctrler == SYS_CTRLER_PMU)
-                pmu_poll_adb();
-#endif /* CONFIG_ADB_PMU */
-#ifdef CONFIG_ADB_CUDA
-        if (sys_ctrler == SYS_CTRLER_CUDA)
-                cuda_poll();
-#endif /* CONFIG_ADB_CUDA */
-}
 
 int
 xmon_write(void *handle, void *ptr, int nb)
@@ -176,20 +99,12 @@ xmon_write(void *handle, void *ptr, int nb)
                         break;
 #endif
 
-#ifdef CONFIG_BOOTX_TEXT
-        if (use_screen) {
-                /* write it on the screen */
-                for (i = 0; i < nb; ++i)
-                        btext_drawchar(*p++);
-                goto out;
-        }
-#endif
         if (!scc_initialized)
                 xmon_init_scc();
         ct = 0;
         for (i = 0; i < nb; ++i) {
                 while ((*sccc & TXRDY) == 0)
-                        do_poll_adb();
+                        ;
                 c = p[i];
                 if (c == '\n' && !ct) {
                         c = '\r';
@@ -203,7 +118,6 @@ xmon_write(void *handle, void *ptr, int nb)
                 eieio();
         }
 
- out:
 #ifdef CONFIG_SMP
         if (!locked)
                 clear_bit(0, &xmon_write_lock);
@@ -212,65 +126,7 @@ xmon_write(void *handle, void *ptr, int nb)
 }
 
 int xmon_wants_key;
-int xmon_adb_keycode;
-
-#ifdef CONFIG_BOOTX_TEXT
-static int xmon_adb_shiftstate;
-
-static unsigned char xmon_keytab[128] =
-        "asdfhgzxcv\000bqwer"                           /* 0x00 - 0x0f */
-        "yt123465=97-80]o"                              /* 0x10 - 0x1f */
-        "u[ip\rlj'k;\\,/nm."                            /* 0x20 - 0x2f */
-        "\t `\177\0\033\0\0\0\0\0\0\0\0\0\0"            /* 0x30 - 0x3f */
-        "\0.\0*\0+\0\0\0\0\0/\r\0-\0"                   /* 0x40 - 0x4f */
-        "\0\0000123456789\0\0\0";                       /* 0x50 - 0x5f */
-
-static unsigned char xmon_shift_keytab[128] =
-        "ASDFHGZXCV\000BQWER"                           /* 0x00 - 0x0f */
-        "YT!@#$^%+(&_*)}O"                              /* 0x10 - 0x1f */
-        "U{IP\rLJ\"K:|<?NM>"                            /* 0x20 - 0x2f */
-        "\t ~\177\0\033\0\0\0\0\0\0\0\0\0\0"            /* 0x30 - 0x3f */
-        "\0.\0*\0+\0\0\0\0\0/\r\0-\0"                   /* 0x40 - 0x4f */
-        "\0\0000123456789\0\0\0";                       /* 0x50 - 0x5f */
-
-static int
-xmon_get_adb_key(void)
-{
-        int k, t, on;
 
-        xmon_wants_key = 1;
-        for (;;) {
-                xmon_adb_keycode = -1;
-                t = 0;
-                on = 0;
-                do {
-                        if (--t < 0) {
-                                on = 1 - on;
-                                btext_drawchar(on? 0xdb: 0x20);
-                                btext_drawchar('\b');
-                                t = 200000;
-                        }
-                        do_poll_adb();
-                } while (xmon_adb_keycode == -1);
-                k = xmon_adb_keycode;
-                if (on)
-                        btext_drawstring(" \b");
-
-                /* test for shift keys */
-                if ((k & 0x7f) == 0x38 || (k & 0x7f) == 0x7b) {
-                        xmon_adb_shiftstate = (k & 0x80) == 0;
-                        continue;
-                }
-                if (k >= 0x80)
-                        continue;       /* ignore up transitions */
-                k = (xmon_adb_shiftstate? xmon_shift_keytab: xmon_keytab)[k];
-                if (k != 0)
-                        break;
-        }
-        xmon_wants_key = 0;
-        return k;
-}
-#endif /* CONFIG_BOOTX_TEXT */
 
 int
 xmon_read(void *handle, void *ptr, int nb)
@@ -278,18 +134,11 @@ xmon_read(void *handle, void *ptr, int nb)
     char *p = ptr;
     int i;
 
-#ifdef CONFIG_BOOTX_TEXT
-    if (use_screen) {
-        for (i = 0; i < nb; ++i)
-            *p++ = xmon_get_adb_key();
-        return i;
-    }
-#endif
     if (!scc_initialized)
         xmon_init_scc();
     for (i = 0; i < nb; ++i) {
         while ((*sccc & RXRDY) == 0)
-            do_poll_adb();
+            ;
         buf_access();
         *p++ = *sccd;
     }
@@ -300,7 +149,7 @@ int
 xmon_read_poll(void)
 {
         if ((*sccc & RXRDY) == 0) {
-                do_poll_adb();
+                ;
                 return -1;
         }
         buf_access();
@@ -310,15 +159,6 @@ xmon_read_poll(void)
 void
 xmon_init_scc(void)
 {
-        if ( _machine == _MACH_chrp )
-        {
-                sccd[3] = 0x83; eieio();        /* LCR = 8N1 + DLAB */
-                sccd[0] = 12; eieio();          /* DLL = 9600 baud */
-                sccd[1] = 0; eieio();
-                sccd[2] = 0; eieio();           /* FCR = 0 */
-                sccd[3] = 3; eieio();           /* LCR = 8N1 */
-                sccd[1] = 0; eieio();           /* IER = 0 */
-        }
         scc_initialized = 1;
         if (via_modem) {
                 for (;;) {
@@ -334,22 +174,6 @@ xmon_init_scc(void)
         }
 }
 
-#if 0
-extern int (*prom_entry)(void *);
-
-int
-xmon_exit(void)
-{
-    struct prom_args {
-        char *service;
-    } args;
-
-    for (;;) {
-        args.service = "exit";
-        (*prom_entry)(&args);
-    }
-}
-#endif
 
 void *xmon_stdin;
 void *xmon_stdout;