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linux-davinci-2.6.23
Commit c57914a4 authored by Olaf Hering's avatar Olaf Hering Committed by Paul Mackerras
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[PATCH] ppc: fix adb breakage in xmon 

Fix up xmon compilation after the last change.
Remove lots of dead code, all the pmac and chrp support is in arch/powerpc
Signed-off-by: default avatarOlaf Hering <olh@suse.de>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 337a7128
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Showing with 3 additions and 486 deletions
arch/ppc/xmon/adb.c deleted 100644 → 0
View file @ 337a7128
/*
* 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;
}
}
arch/ppc/xmon/start.c
View file @ c57914a4
......@@ -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;
......
arch/ppc/xmon/xmon.c
View file @ c57914a4
......@@ -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;
......
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