Merge branch 'master'

4 files changed, 4 insertions, 486 deletions

diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S
index c5a890dca9cf..53ea845fb911 100644
--- a/arch/ppc/kernel/head.S
+++ b/arch/ppc/kernel/head.S
@@ -751,6 +751,7 @@ AltiVecUnavailable:
 #ifdef CONFIG_ALTIVEC
         bne     load_up_altivec         /* if from user, just load it up */
 #endif /* CONFIG_ALTIVEC */
+        addi    r3,r1,STACK_FRAME_OVERHEAD
         EXC_XFER_EE_LITE(0xf20, altivec_unavailable_exception)
 
 #ifdef CONFIG_PPC64BRIDGE
diff --git a/arch/ppc/xmon/adb.c b/arch/ppc/xmon/adb.c
deleted file mode 100644
index e91384dcccac..000000000000
--- a/arch/ppc/xmon/adb.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Copyright (C) 1996 Paul Mackerras.
- */
-#include "nonstdio.h"
-#include "privinst.h"
-
-#define scanhex xmon_scanhex
-#define skipbl  xmon_skipbl
-
-#define ADB_B           (*(volatile unsigned char *)0xf3016000)
-#define ADB_SR          (*(volatile unsigned char *)0xf3017400)
-#define ADB_ACR         (*(volatile unsigned char *)0xf3017600)
-#define ADB_IFR         (*(volatile unsigned char *)0xf3017a00)
-
-static inline void eieio(void) { asm volatile ("eieio" : :); }
-
-#define N_ADB_LOG       1000
-struct adb_log {
-    unsigned char b;
-    unsigned char ifr;
-    unsigned char acr;
-    unsigned int time;
-} adb_log[N_ADB_LOG];
-int n_adb_log;
-
-void
-init_adb_log(void)
-{
-    adb_log[0].b = ADB_B;
-    adb_log[0].ifr = ADB_IFR;
-    adb_log[0].acr = ADB_ACR;
-    adb_log[0].time = get_dec();
-    n_adb_log = 0;
-}
-
-void
-dump_adb_log(void)
-{
-    unsigned t, t0;
-    struct adb_log *ap;
-    int i;
-
-    ap = adb_log;
-    t0 = ap->time;
-    for (i = 0; i <= n_adb_log; ++i, ++ap) {
-        t = t0 - ap->time;
-        printf("b=%x ifr=%x acr=%x at %d.%.7d\n", ap->b, ap->ifr, ap->acr,
-               t / 1000000000, (t % 1000000000) / 100);
-    }
-}
-
-void
-adb_chklog(void)
-{
-    struct adb_log *ap = &adb_log[n_adb_log + 1];
-
-    ap->b = ADB_B;
-    ap->ifr = ADB_IFR;
-    ap->acr = ADB_ACR;
-    if (ap->b != ap[-1].b || (ap->ifr & 4) != (ap[-1].ifr & 4)
-        || ap->acr != ap[-1].acr) {
-        ap->time = get_dec();
-        ++n_adb_log;
-    }
-}
-
-int
-adb_bitwait(int bmask, int bval, int fmask, int fval)
-{
-    int i;
-    struct adb_log *ap;
-
-    for (i = 10000; i > 0; --i) {
-        adb_chklog();
-        ap = &adb_log[n_adb_log];
-        if ((ap->b & bmask) == bval && (ap->ifr & fmask) == fval)
-            return 0;
-    }
-    return -1;
-}
-
-int
-adb_wait(void)
-{
-    if (adb_bitwait(0, 0, 4, 4) < 0) {
-        printf("adb: ready wait timeout\n");
-        return -1;
-    }
-    return 0;
-}
-
-void
-adb_readin(void)
-{
-    int i, j;
-    unsigned char d[64];
-
-    if (ADB_B & 8) {
-        printf("ADB_B: %x\n", ADB_B);
-        return;
-    }
-    i = 0;
-    adb_wait();
-    j = ADB_SR;
-    eieio();
-    ADB_B &= ~0x20;
-    eieio();
-    for (;;) {
-        if (adb_wait() < 0)
-            break;
-        d[i++] = ADB_SR;
-        eieio();
-        if (ADB_B & 8)
-            break;
-        ADB_B ^= 0x10;
-        eieio();
-    }
-    ADB_B |= 0x30;
-    if (adb_wait() == 0)
-        j = ADB_SR;
-    for (j = 0; j < i; ++j)
-        printf("%.2x ", d[j]);
-    printf("\n");
-}
-
-int
-adb_write(unsigned char *d, int i)
-{
-    int j;
-    unsigned x;
-
-    if ((ADB_B & 8) == 0) {
-        printf("r: ");
-        adb_readin();
-    }
-    for (;;) {
-        ADB_ACR = 0x1c;
-        eieio();
-        ADB_SR = d[0];
-        eieio();
-        ADB_B &= ~0x20;
-        eieio();
-        if (ADB_B & 8)
-            break;
-        ADB_ACR = 0xc;
-        eieio();
-        ADB_B |= 0x20;
-        eieio();
-        adb_readin();
-    }
-    adb_wait();
-    for (j = 1; j < i; ++j) {
-        ADB_SR = d[j];
-        eieio();
-        ADB_B ^= 0x10;
-        eieio();
-        if (adb_wait() < 0)
-            break;
-    }
-    ADB_ACR = 0xc;
-    eieio();
-    x = ADB_SR;
-    eieio();
-    ADB_B |= 0x30;
-    return j;
-}
-
-void
-adbcmds(void)
-{
-    char cmd;
-    unsigned rtcu, rtcl, dec, pdec, x;
-    int i, j;
-    unsigned char d[64];
-
-    cmd = skipbl();
-    switch (cmd) {
-    case 't':
-        for (;;) {
-            rtcl = get_rtcl();
-            rtcu = get_rtcu();
-            dec = get_dec();
-            printf("rtc u=%u l=%u dec=%x (%d = %d.%.7d)\n",
-                   rtcu, rtcl, dec, pdec - dec, (pdec - dec) / 1000000000,
-                   ((pdec - dec) % 1000000000) / 100);
-            pdec = dec;
-            if (cmd == 'x')
-                break;
-            while (xmon_read(stdin, &cmd, 1) != 1)
-                ;
-        }
-        break;
-    case 'r':
-        init_adb_log();
-        while (adb_bitwait(8, 0, 0, 0) == 0)
-            adb_readin();
-        break;
-    case 'w':
-        i = 0;
-        while (scanhex(&x))
-            d[i++] = x;
-        init_adb_log();
-        j = adb_write(d, i);
-        printf("sent %d bytes\n", j);
-        while (adb_bitwait(8, 0, 0, 0) == 0)
-            adb_readin();
-        break;
-    case 'l':
-        dump_adb_log();
-        break;
-    }
-}
diff --git a/arch/ppc/xmon/start.c b/arch/ppc/xmon/start.c
index 484f5bb1aa3e..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;
@@ -143,7 +79,7 @@ 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);
 
@@ -163,14 +99,6 @@ 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;
@@ -190,7 +118,6 @@ xmon_write(void *handle, void *ptr, int nb)
                 eieio();
         }
 
- out:
 #ifdef CONFIG_SMP
         if (!locked)
                 clear_bit(0, &xmon_write_lock);
@@ -199,65 +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)
@@ -265,18 +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;
     }
@@ -287,7 +149,7 @@ int
 xmon_read_poll(void)
 {
         if ((*sccc & RXRDY) == 0) {
-                do_poll_adb();
+                ;
                 return -1;
         }
         buf_access();
@@ -297,15 +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 (;;) {
@@ -321,22 +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;
diff --git a/arch/ppc/xmon/xmon.c b/arch/ppc/xmon/xmon.c
index bdaf6597b4c2..06fa44b5c647 100644
--- a/arch/ppc/xmon/xmon.c
+++ b/arch/ppc/xmon/xmon.c
@@ -12,8 +12,6 @@
 #include <linux/kallsyms.h>
 #include <asm/ptrace.h>
 #include <asm/string.h>
-#include <asm/prom.h>
-#include <asm/bootx.h>
 #include <asm/machdep.h>
 #include <asm/xmon.h>
 #include "nonstdio.h"
@@ -101,9 +99,6 @@ void cacheflush(void);
 static void cpu_cmd(void);
 #endif /* CONFIG_SMP */
 static void csum(void);
-#ifdef CONFIG_BOOTX_TEXT
-static void vidcmds(void);
-#endif
 static void bootcmds(void);
 static void proccall(void);
 static void printtime(void);
@@ -522,11 +517,6 @@ cmds(struct pt_regs *excp)
                         cpu_cmd();
                         break;
 #endif /* CONFIG_SMP */
-#ifdef CONFIG_BOOTX_TEXT
-                case 'v':
-                        vidcmds();
-                        break;
-#endif
                 case 'z':
                         bootcmds();
                         break;
@@ -618,43 +608,6 @@ static void cpu_cmd(void)
 }
 #endif /* CONFIG_SMP */
 
-#ifdef CONFIG_BOOTX_TEXT
-extern boot_infos_t disp_bi;
-
-static void vidcmds(void)
-{
-        int c = inchar();
-        unsigned int val, w;
-        extern int boot_text_mapped;
-
-        if (!boot_text_mapped)
-                return;
-        if (c != '\n' && scanhex(&val)) {
-                switch (c) {
-                case 'd':
-                        w = disp_bi.dispDeviceRowBytes
-                                / (disp_bi.dispDeviceDepth >> 3);
-                        disp_bi.dispDeviceDepth = val;
-                        disp_bi.dispDeviceRowBytes = w * (val >> 3);
-                        return;
-                case 'p':
-                        disp_bi.dispDeviceRowBytes = val;
-                        return;
-                case 'w':
-                        disp_bi.dispDeviceRect[2] = val;
-                        return;
-                case 'h':
-                        disp_bi.dispDeviceRect[3] = val;
-                        return;
-                }
-        }
-        printf("W = %d (0x%x) H = %d (0x%x) D = %d (0x%x) P = %d (0x%x)\n",
-               disp_bi.dispDeviceRect[2], disp_bi.dispDeviceRect[2],
-               disp_bi.dispDeviceRect[3], disp_bi.dispDeviceRect[3],
-               disp_bi.dispDeviceDepth, disp_bi.dispDeviceDepth,
-               disp_bi.dispDeviceRowBytes, disp_bi.dispDeviceRowBytes);
-}
-#endif /* CONFIG_BOOTX_TEXT */
 
 static unsigned short fcstab[256] = {
         0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
@@ -1020,7 +973,6 @@ dump_hash_table(void)
 }
 #else
 
-#ifndef CONFIG_PPC64BRIDGE
 static void
 dump_hash_table_seg(unsigned seg, unsigned start, unsigned end)
 {
@@ -1079,66 +1031,6 @@ dump_hash_table_seg(unsigned seg, unsigned start, unsigned end)
                 printf(" ... %x\n", last_va);
 }
 
-#else /* CONFIG_PPC64BRIDGE */
-static void
-dump_hash_table_seg(unsigned seg, unsigned start, unsigned end)
-{
-        extern void *Hash;
-        extern unsigned long Hash_size;
-        unsigned *htab = Hash;
-        unsigned hsize = Hash_size;
-        unsigned v, hmask, va, last_va;
-        int found, last_found, i;
-        unsigned *hg, w1, last_w2, last_va0;
-
-        last_found = 0;
-        hmask = hsize / 128 - 1;
-        va = start;
-        start = (start >> 12) & 0xffff;
-        end = (end >> 12) & 0xffff;
-        for (v = start; v < end; ++v) {
-                found = 0;
-                hg = htab + (((v ^ seg) & hmask) * 32);
-                w1 = 1 | (seg << 12) | ((v & 0xf800) >> 4);
-                for (i = 0; i < 8; ++i, hg += 4) {
-                        if (hg[1] == w1) {
-                                found = 1;
-                                break;
-                        }
-                }
-                if (!found) {
-                        w1 ^= 2;
-                        hg = htab + ((~(v ^ seg) & hmask) * 32);
-                        for (i = 0; i < 8; ++i, hg += 4) {
-                                if (hg[1] == w1) {
-                                        found = 1;
-                                        break;
-                                }
-                        }
-                }
-                if (!(last_found && found && (hg[3] & ~0x180) == last_w2 + 4096)) {
-                        if (last_found) {
-                                if (last_va != last_va0)
-                                        printf(" ... %x", last_va);
-                                printf("\n");
-                        }
-                        if (found) {
-                                printf("%x to %x", va, hg[3]);
-                                last_va0 = va;
-                        }
-                        last_found = found;
-                }
-                if (found) {
-                        last_w2 = hg[3] & ~0x180;
-                        last_va = va;
-                }
-                va += 4096;
-        }
-        if (last_found)
-                printf(" ... %x\n", last_va);
-}
-#endif /* CONFIG_PPC64BRIDGE */
-
 static unsigned hash_ctx;
 static unsigned hash_start;
 static unsigned hash_end;