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nubus: Clean up whitespace
Signed-off-by: Finn Thain <fthain@telegraphics.com.au> [geert: rebased] Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Finn Thain
Geert Uytterhoeven
parent
71ae40e4cf
commit
f42e555096
@ -44,8 +44,8 @@ extern void oss_nubus_init(void);
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/* Globals */
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struct nubus_dev* nubus_devices;
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struct nubus_board* nubus_boards;
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struct nubus_dev *nubus_devices;
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struct nubus_board *nubus_boards;
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/* Meaning of "bytelanes":
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@ -69,26 +69,26 @@ struct nubus_board* nubus_boards;
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Etcetera, etcetera. Hopefully this clears up some confusion over
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what the following code actually does. */
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static inline int not_useful(void *p, int map)
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{
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unsigned long pv=(unsigned long)p;
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unsigned long pv = (unsigned long)p;
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pv &= 3;
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if(map & (1<<pv))
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if (map & (1 << pv))
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return 0;
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return 1;
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}
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static unsigned long nubus_get_rom(unsigned char **ptr, int len, int map)
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{
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/* This will hold the result */
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unsigned long v = 0;
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unsigned char *p = *ptr;
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while(len)
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{
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while (len) {
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v <<= 8;
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while(not_useful(p,map))
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while (not_useful(p, map))
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p++;
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v |= *p++;
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len--;
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@ -99,31 +99,28 @@ static unsigned long nubus_get_rom(unsigned char **ptr, int len, int map)
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static void nubus_rewind(unsigned char **ptr, int len, int map)
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{
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unsigned char *p=*ptr;
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unsigned char *p = *ptr;
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/* Sanity check */
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if(len > 65536)
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if (len > 65536)
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pr_err("rewind of 0x%08x!\n", len);
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while(len)
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{
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do
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{
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while (len) {
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do {
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p--;
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}
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while(not_useful(p, map));
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} while (not_useful(p, map));
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len--;
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}
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*ptr=p;
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*ptr = p;
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}
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static void nubus_advance(unsigned char **ptr, int len, int map)
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{
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unsigned char *p = *ptr;
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if(len>65536)
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if (len > 65536)
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pr_err("advance of 0x%08x!\n", len);
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while(len)
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{
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while(not_useful(p,map))
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while (len) {
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while (not_useful(p, map))
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p++;
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p++;
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len--;
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@ -133,9 +130,9 @@ static void nubus_advance(unsigned char **ptr, int len, int map)
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static void nubus_move(unsigned char **ptr, int len, int map)
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{
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if(len > 0)
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if (len > 0)
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nubus_advance(ptr, len, map);
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else if(len < 0)
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else if (len < 0)
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nubus_rewind(ptr, -len, map);
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}
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@ -148,23 +145,24 @@ static void nubus_move(unsigned char **ptr, int len, int map)
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static inline long nubus_expand32(long foo)
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{
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if(foo & 0x00800000) /* 24bit negative */
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if (foo & 0x00800000) /* 24bit negative */
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foo |= 0xFF000000;
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return foo;
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}
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static inline void *nubus_rom_addr(int slot)
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{
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{
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/*
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* Returns the first byte after the card. We then walk
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* backwards to get the lane register and the config
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*/
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return (void *)(0xF1000000+(slot<<24));
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return (void *)(0xF1000000 + (slot << 24));
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}
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static unsigned char *nubus_dirptr(const struct nubus_dirent *nd)
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{
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unsigned char *p = nd->base;
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/* Essentially, just step over the bytelanes using whatever
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offset we might have found */
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nubus_move(&p, nubus_expand32(nd->data), nd->mask);
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@ -175,36 +173,36 @@ static unsigned char *nubus_dirptr(const struct nubus_dirent *nd)
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/* These two are for pulling resource data blocks (i.e. stuff that's
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pointed to with offsets) out of the card ROM. */
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void nubus_get_rsrc_mem(void *dest, const struct nubus_dirent* dirent,
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void nubus_get_rsrc_mem(void *dest, const struct nubus_dirent *dirent,
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int len)
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{
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unsigned char *t = (unsigned char *)dest;
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unsigned char *p = nubus_dirptr(dirent);
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while(len)
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{
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while (len) {
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*t++ = nubus_get_rom(&p, 1, dirent->mask);
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len--;
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}
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}
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EXPORT_SYMBOL(nubus_get_rsrc_mem);
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void nubus_get_rsrc_str(void *dest, const struct nubus_dirent* dirent,
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void nubus_get_rsrc_str(void *dest, const struct nubus_dirent *dirent,
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int len)
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{
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unsigned char *t=(unsigned char *)dest;
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unsigned char *t = (unsigned char *)dest;
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unsigned char *p = nubus_dirptr(dirent);
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while(len)
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{
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while (len) {
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*t = nubus_get_rom(&p, 1, dirent->mask);
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if(!*t++)
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if (!*t++)
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break;
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len--;
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}
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}
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EXPORT_SYMBOL(nubus_get_rsrc_str);
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int nubus_get_root_dir(const struct nubus_board* board,
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struct nubus_dir* dir)
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int nubus_get_root_dir(const struct nubus_board *board,
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struct nubus_dir *dir)
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{
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dir->ptr = dir->base = board->directory;
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dir->done = 0;
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@ -214,8 +212,8 @@ int nubus_get_root_dir(const struct nubus_board* board,
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EXPORT_SYMBOL(nubus_get_root_dir);
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/* This is a slyly renamed version of the above */
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int nubus_get_func_dir(const struct nubus_dev* dev,
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struct nubus_dir* dir)
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int nubus_get_func_dir(const struct nubus_dev *dev,
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struct nubus_dir *dir)
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{
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dir->ptr = dir->base = dev->directory;
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dir->done = 0;
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@ -224,11 +222,11 @@ int nubus_get_func_dir(const struct nubus_dev* dev,
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}
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EXPORT_SYMBOL(nubus_get_func_dir);
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int nubus_get_board_dir(const struct nubus_board* board,
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struct nubus_dir* dir)
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int nubus_get_board_dir(const struct nubus_board *board,
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struct nubus_dir *dir)
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{
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struct nubus_dirent ent;
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dir->ptr = dir->base = board->directory;
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dir->done = 0;
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dir->mask = board->lanes;
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@ -256,6 +254,7 @@ EXPORT_SYMBOL(nubus_get_subdir);
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int nubus_readdir(struct nubus_dir *nd, struct nubus_dirent *ent)
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{
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u32 resid;
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if (nd->done)
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return -1;
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@ -266,27 +265,25 @@ int nubus_readdir(struct nubus_dir *nd, struct nubus_dirent *ent)
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resid = nubus_get_rom(&nd->ptr, 4, nd->mask);
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/* EOL marker, as per the Apple docs */
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if((resid&0xff000000) == 0xff000000)
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{
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if ((resid & 0xff000000) == 0xff000000) {
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/* Mark it as done */
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nd->done = 1;
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return -1;
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}
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/* First byte is the resource ID */
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ent->type = resid >> 24;
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ent->type = resid >> 24;
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/* Low 3 bytes might contain data (or might not) */
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ent->data = resid & 0xffffff;
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ent->mask = nd->mask;
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ent->mask = nd->mask;
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return 0;
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}
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EXPORT_SYMBOL(nubus_readdir);
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int nubus_rewinddir(struct nubus_dir* dir)
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int nubus_rewinddir(struct nubus_dir *dir)
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{
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dir->ptr = dir->base;
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dir->done = 0;
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return 0;
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}
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EXPORT_SYMBOL(nubus_rewinddir);
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@ -294,20 +291,15 @@ EXPORT_SYMBOL(nubus_rewinddir);
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/* Driver interface functions, more or less like in pci.c */
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struct nubus_dev*
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nubus_find_device(unsigned short category,
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unsigned short type,
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unsigned short dr_hw,
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unsigned short dr_sw,
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const struct nubus_dev* from)
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nubus_find_device(unsigned short category, unsigned short type,
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unsigned short dr_hw, unsigned short dr_sw,
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const struct nubus_dev *from)
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{
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struct nubus_dev* itor =
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from ? from->next : nubus_devices;
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struct nubus_dev *itor = from ? from->next : nubus_devices;
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while (itor) {
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if (itor->category == category
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&& itor->type == type
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&& itor->dr_hw == dr_hw
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&& itor->dr_sw == dr_sw)
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if (itor->category == category && itor->type == type &&
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itor->dr_hw == dr_hw && itor->dr_sw == dr_sw)
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return itor;
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itor = itor->next;
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}
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@ -316,16 +308,13 @@ nubus_find_device(unsigned short category,
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EXPORT_SYMBOL(nubus_find_device);
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struct nubus_dev*
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nubus_find_type(unsigned short category,
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unsigned short type,
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const struct nubus_dev* from)
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nubus_find_type(unsigned short category, unsigned short type,
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const struct nubus_dev *from)
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{
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struct nubus_dev* itor =
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from ? from->next : nubus_devices;
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struct nubus_dev *itor = from ? from->next : nubus_devices;
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while (itor) {
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if (itor->category == category
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&& itor->type == type)
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if (itor->category == category && itor->type == type)
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return itor;
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itor = itor->next;
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}
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@ -334,12 +323,10 @@ nubus_find_type(unsigned short category,
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EXPORT_SYMBOL(nubus_find_type);
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struct nubus_dev*
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nubus_find_slot(unsigned int slot,
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const struct nubus_dev* from)
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nubus_find_slot(unsigned int slot, const struct nubus_dev *from)
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{
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struct nubus_dev* itor =
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from ? from->next : nubus_devices;
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struct nubus_dev *itor = from ? from->next : nubus_devices;
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while (itor) {
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if (itor->board->slot == slot)
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return itor;
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@ -350,13 +337,13 @@ nubus_find_slot(unsigned int slot,
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EXPORT_SYMBOL(nubus_find_slot);
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int
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nubus_find_rsrc(struct nubus_dir* dir, unsigned char rsrc_type,
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struct nubus_dirent* ent)
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nubus_find_rsrc(struct nubus_dir *dir, unsigned char rsrc_type,
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struct nubus_dirent *ent)
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{
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while (nubus_readdir(dir, ent) != -1) {
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if (ent->type == rsrc_type)
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return 0;
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}
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}
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return -1;
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}
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EXPORT_SYMBOL(nubus_find_rsrc);
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@ -370,8 +357,8 @@ EXPORT_SYMBOL(nubus_find_rsrc);
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among other things. The rest of it should go in the /proc code.
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For now, we just use it to give verbose boot logs. */
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static int __init nubus_show_display_resource(struct nubus_dev* dev,
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const struct nubus_dirent* ent)
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static int __init nubus_show_display_resource(struct nubus_dev *dev,
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const struct nubus_dirent *ent)
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{
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switch (ent->type) {
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case NUBUS_RESID_GAMMADIR:
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@ -388,14 +375,14 @@ static int __init nubus_show_display_resource(struct nubus_dev* dev,
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return 0;
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}
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static int __init nubus_show_network_resource(struct nubus_dev* dev,
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const struct nubus_dirent* ent)
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static int __init nubus_show_network_resource(struct nubus_dev *dev,
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const struct nubus_dirent *ent)
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{
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switch (ent->type) {
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case NUBUS_RESID_MAC_ADDRESS:
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{
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char addr[6];
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nubus_get_rsrc_mem(addr, ent, 6);
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pr_info(" MAC address: %pM\n", addr);
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break;
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@ -407,13 +394,14 @@ static int __init nubus_show_network_resource(struct nubus_dev* dev,
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return 0;
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}
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static int __init nubus_show_cpu_resource(struct nubus_dev* dev,
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const struct nubus_dirent* ent)
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static int __init nubus_show_cpu_resource(struct nubus_dev *dev,
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const struct nubus_dirent *ent)
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{
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switch (ent->type) {
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case NUBUS_RESID_MEMINFO:
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{
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unsigned long meminfo[2];
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nubus_get_rsrc_mem(&meminfo, ent, 8);
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pr_info(" memory: [ 0x%08lx 0x%08lx ]\n",
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meminfo[0], meminfo[1]);
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@ -422,6 +410,7 @@ static int __init nubus_show_cpu_resource(struct nubus_dev* dev,
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case NUBUS_RESID_ROMINFO:
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{
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unsigned long rominfo[2];
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nubus_get_rsrc_mem(&rominfo, ent, 8);
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pr_info(" ROM: [ 0x%08lx 0x%08lx ]\n",
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rominfo[0], rominfo[1]);
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@ -434,8 +423,8 @@ static int __init nubus_show_cpu_resource(struct nubus_dev* dev,
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return 0;
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}
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static int __init nubus_show_private_resource(struct nubus_dev* dev,
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const struct nubus_dirent* ent)
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static int __init nubus_show_private_resource(struct nubus_dev *dev,
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const struct nubus_dirent *ent)
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{
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switch (dev->category) {
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case NUBUS_CAT_DISPLAY:
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@ -454,39 +443,37 @@ static int __init nubus_show_private_resource(struct nubus_dev* dev,
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return 0;
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}
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static struct nubus_dev* __init
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nubus_get_functional_resource(struct nubus_board* board,
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int slot,
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const struct nubus_dirent* parent)
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static struct nubus_dev * __init
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nubus_get_functional_resource(struct nubus_board *board, int slot,
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const struct nubus_dirent *parent)
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{
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struct nubus_dir dir;
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struct nubus_dir dir;
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struct nubus_dirent ent;
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struct nubus_dev* dev;
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struct nubus_dev *dev;
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pr_info(" Function 0x%02x:\n", parent->type);
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nubus_get_subdir(parent, &dir);
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/* Apple seems to have botched the ROM on the IIx */
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if (slot == 0 && (unsigned long)dir.base % 2)
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dir.base += 1;
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pr_debug("%s: parent is 0x%p, dir is 0x%p\n",
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__func__, parent->base, dir.base);
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/* Actually we should probably panic if this fails */
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if ((dev = kzalloc(sizeof(*dev), GFP_ATOMIC)) == NULL)
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return NULL;
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return NULL;
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dev->resid = parent->type;
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dev->directory = dir.base;
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dev->board = board;
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while (nubus_readdir(&dir, &ent) != -1)
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{
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switch(ent.type)
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{
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while (nubus_readdir(&dir, &ent) != -1) {
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switch (ent.type) {
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case NUBUS_RESID_TYPE:
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{
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unsigned short nbtdata[4];
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nubus_get_rsrc_mem(nbtdata, &ent, 8);
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dev->category = nbtdata[0];
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dev->type = nbtdata[1];
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@ -508,6 +495,7 @@ static struct nubus_dev* __init
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use this :-) */
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struct nubus_dir drvr_dir;
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struct nubus_dirent drvr_ent;
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nubus_get_subdir(&ent, &drvr_dir);
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nubus_readdir(&drvr_dir, &drvr_ent);
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dev->driver = nubus_dirptr(&drvr_ent);
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@ -525,7 +513,7 @@ static struct nubus_dev* __init
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/* Ditto */
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nubus_get_rsrc_mem(&dev->iosize, &ent, 4);
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pr_info(" memory length: 0x%08lx\n", dev->iosize);
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break;
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break;
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case NUBUS_RESID_FLAGS:
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dev->flags = ent.data;
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pr_info(" flags: 0x%06x\n", dev->flags);
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@ -540,16 +528,17 @@ static struct nubus_dev* __init
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nubus_show_private_resource(dev, &ent);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
return dev;
|
||||
}
|
||||
|
||||
/* This is cool. */
|
||||
static int __init nubus_get_vidnames(struct nubus_board* board,
|
||||
const struct nubus_dirent* parent)
|
||||
static int __init nubus_get_vidnames(struct nubus_board *board,
|
||||
const struct nubus_dirent *parent)
|
||||
{
|
||||
struct nubus_dir dir;
|
||||
struct nubus_dir dir;
|
||||
struct nubus_dirent ent;
|
||||
|
||||
/* FIXME: obviously we want to put this in a header file soon */
|
||||
struct vidmode {
|
||||
u32 size;
|
||||
@ -564,14 +553,13 @@ static int __init nubus_get_vidnames(struct nubus_board* board,
|
||||
pr_debug("%s: parent is 0x%p, dir is 0x%p\n",
|
||||
__func__, parent->base, dir.base);
|
||||
|
||||
while(nubus_readdir(&dir, &ent) != -1)
|
||||
{
|
||||
while (nubus_readdir(&dir, &ent) != -1) {
|
||||
struct vidmode mode;
|
||||
u32 size;
|
||||
|
||||
/* First get the length */
|
||||
nubus_get_rsrc_mem(&size, &ent, 4);
|
||||
|
||||
|
||||
/* Now clobber the whole thing */
|
||||
if (size > sizeof(mode) - 1)
|
||||
size = sizeof(mode) - 1;
|
||||
@ -584,13 +572,13 @@ static int __init nubus_get_vidnames(struct nubus_board* board,
|
||||
}
|
||||
|
||||
/* This is *really* cool. */
|
||||
static int __init nubus_get_icon(struct nubus_board* board,
|
||||
const struct nubus_dirent* ent)
|
||||
static int __init nubus_get_icon(struct nubus_board *board,
|
||||
const struct nubus_dirent *ent)
|
||||
{
|
||||
/* Should be 32x32 if my memory serves me correctly */
|
||||
unsigned char icon[128];
|
||||
int x, y;
|
||||
|
||||
|
||||
nubus_get_rsrc_mem(&icon, ent, 128);
|
||||
pr_info(" icon:\n");
|
||||
|
||||
@ -600,8 +588,7 @@ static int __init nubus_get_icon(struct nubus_board* board,
|
||||
for (y = 0; y < 32; y++) {
|
||||
pr_info(" ");
|
||||
for (x = 0; x < 32; x++) {
|
||||
if (icon[y*4 + x/8]
|
||||
& (0x80 >> (x%8)))
|
||||
if (icon[y * 4 + x / 8] & (0x80 >> (x % 8)))
|
||||
pr_cont("*");
|
||||
else
|
||||
pr_cont(" ");
|
||||
@ -611,23 +598,22 @@ static int __init nubus_get_icon(struct nubus_board* board,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __init nubus_get_vendorinfo(struct nubus_board* board,
|
||||
const struct nubus_dirent* parent)
|
||||
static int __init nubus_get_vendorinfo(struct nubus_board *board,
|
||||
const struct nubus_dirent *parent)
|
||||
{
|
||||
struct nubus_dir dir;
|
||||
struct nubus_dir dir;
|
||||
struct nubus_dirent ent;
|
||||
static char* vendor_fields[6] = {"ID", "serial", "revision",
|
||||
"part", "date", "unknown field"};
|
||||
static char *vendor_fields[6] = { "ID", "serial", "revision",
|
||||
"part", "date", "unknown field" };
|
||||
|
||||
pr_info(" vendor info:\n");
|
||||
nubus_get_subdir(parent, &dir);
|
||||
pr_debug("%s: parent is 0x%p, dir is 0x%p\n",
|
||||
__func__, parent->base, dir.base);
|
||||
|
||||
while(nubus_readdir(&dir, &ent) != -1)
|
||||
{
|
||||
while (nubus_readdir(&dir, &ent) != -1) {
|
||||
char name[64];
|
||||
|
||||
|
||||
/* These are all strings, we think */
|
||||
nubus_get_rsrc_str(name, &ent, 64);
|
||||
if (ent.type > 5)
|
||||
@ -637,18 +623,17 @@ static int __init nubus_get_vendorinfo(struct nubus_board* board,
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __init nubus_get_board_resource(struct nubus_board* board, int slot,
|
||||
const struct nubus_dirent* parent)
|
||||
static int __init nubus_get_board_resource(struct nubus_board *board, int slot,
|
||||
const struct nubus_dirent *parent)
|
||||
{
|
||||
struct nubus_dir dir;
|
||||
struct nubus_dir dir;
|
||||
struct nubus_dirent ent;
|
||||
|
||||
|
||||
nubus_get_subdir(parent, &dir);
|
||||
pr_debug("%s: parent is 0x%p, dir is 0x%p\n",
|
||||
__func__, parent->base, dir.base);
|
||||
|
||||
while(nubus_readdir(&dir, &ent) != -1)
|
||||
{
|
||||
while (nubus_readdir(&dir, &ent) != -1) {
|
||||
switch (ent.type) {
|
||||
case NUBUS_RESID_TYPE:
|
||||
{
|
||||
@ -689,7 +674,7 @@ static int __init nubus_get_board_resource(struct nubus_board* board, int slot,
|
||||
case NUBUS_RESID_SECONDINIT:
|
||||
pr_info(" secondary init offset: 0x%06x\n", ent.data);
|
||||
break;
|
||||
/* WTF isn't this in the functional resources? */
|
||||
/* WTF isn't this in the functional resources? */
|
||||
case NUBUS_RESID_VIDNAMES:
|
||||
nubus_get_vidnames(board, &ent);
|
||||
break;
|
||||
@ -697,7 +682,7 @@ static int __init nubus_get_board_resource(struct nubus_board* board, int slot,
|
||||
case NUBUS_RESID_VIDMODES:
|
||||
pr_info(" video mode parameter directory offset: 0x%06x\n",
|
||||
ent.data);
|
||||
break;
|
||||
break;
|
||||
default:
|
||||
pr_info(" unknown resource %02X, data 0x%06x\n",
|
||||
ent.type, ent.data);
|
||||
@ -710,8 +695,8 @@ static int __init nubus_get_board_resource(struct nubus_board* board, int slot,
|
||||
sResources in the motherboard ROM */
|
||||
static void __init nubus_find_rom_dir(struct nubus_board* board)
|
||||
{
|
||||
unsigned char* rp;
|
||||
unsigned char* romdir;
|
||||
unsigned char *rp;
|
||||
unsigned char *romdir;
|
||||
struct nubus_dir dir;
|
||||
struct nubus_dirent ent;
|
||||
|
||||
@ -744,14 +729,14 @@ static void __init nubus_find_rom_dir(struct nubus_board* board)
|
||||
if (console_loglevel >= CONSOLE_LOGLEVEL_DEBUG)
|
||||
printk(KERN_INFO "nubus_get_rom_dir: entry %02x %06x\n", ent.type, ent.data);
|
||||
/* This one takes us to where we want to go. */
|
||||
if (nubus_readdir(&dir, &ent) == -1)
|
||||
if (nubus_readdir(&dir, &ent) == -1)
|
||||
goto badrom;
|
||||
if (console_loglevel >= CONSOLE_LOGLEVEL_DEBUG)
|
||||
printk(KERN_DEBUG "nubus_get_rom_dir: entry %02x %06x\n", ent.type, ent.data);
|
||||
nubus_get_subdir(&ent, &dir);
|
||||
|
||||
/* Resource ID 01, also an "Unknown Macintosh" */
|
||||
if (nubus_readdir(&dir, &ent) == -1)
|
||||
if (nubus_readdir(&dir, &ent) == -1)
|
||||
goto badrom;
|
||||
if (console_loglevel >= CONSOLE_LOGLEVEL_DEBUG)
|
||||
printk(KERN_DEBUG "nubus_get_rom_dir: entry %02x %06x\n", ent.type, ent.data);
|
||||
@ -770,12 +755,12 @@ static void __init nubus_find_rom_dir(struct nubus_board* board)
|
||||
goto badrom;
|
||||
if (console_loglevel >= CONSOLE_LOGLEVEL_DEBUG)
|
||||
printk(KERN_DEBUG "nubus_get_rom_dir: entry %02x %06x\n", ent.type, ent.data);
|
||||
|
||||
|
||||
/* Bwahahahaha... */
|
||||
nubus_get_subdir(&ent, &dir);
|
||||
board->directory = dir.base;
|
||||
return;
|
||||
|
||||
|
||||
/* Even more evil laughter... */
|
||||
badrom:
|
||||
board->directory = board->fblock;
|
||||
@ -784,23 +769,22 @@ static void __init nubus_find_rom_dir(struct nubus_board* board)
|
||||
}
|
||||
|
||||
/* Add a board (might be many devices) to the list */
|
||||
static struct nubus_board* __init nubus_add_board(int slot, int bytelanes)
|
||||
static struct nubus_board * __init nubus_add_board(int slot, int bytelanes)
|
||||
{
|
||||
struct nubus_board* board;
|
||||
struct nubus_board** boardp;
|
||||
|
||||
struct nubus_board *board;
|
||||
struct nubus_board **boardp;
|
||||
unsigned char *rp;
|
||||
unsigned long dpat;
|
||||
struct nubus_dir dir;
|
||||
struct nubus_dirent ent;
|
||||
|
||||
/* Move to the start of the format block */
|
||||
rp = nubus_rom_addr(slot);
|
||||
rp = nubus_rom_addr(slot);
|
||||
nubus_rewind(&rp, FORMAT_BLOCK_SIZE, bytelanes);
|
||||
|
||||
/* Actually we should probably panic if this fails */
|
||||
if ((board = kzalloc(sizeof(*board), GFP_ATOMIC)) == NULL)
|
||||
return NULL;
|
||||
return NULL;
|
||||
board->fblock = rp;
|
||||
|
||||
/* Dump the format block for debugging purposes */
|
||||
@ -816,7 +800,7 @@ static struct nubus_board* __init nubus_add_board(int slot, int bytelanes)
|
||||
rp = board->fblock;
|
||||
|
||||
board->slot = slot;
|
||||
board->slot_addr = (unsigned long) nubus_slot_addr(slot);
|
||||
board->slot_addr = (unsigned long)nubus_slot_addr(slot);
|
||||
board->doffset = nubus_get_rom(&rp, 4, bytelanes);
|
||||
/* rom_length is *supposed* to be the total length of the
|
||||
* ROM. In practice it is the "amount of ROM used to compute
|
||||
@ -827,16 +811,16 @@ static struct nubus_board* __init nubus_add_board(int slot, int bytelanes)
|
||||
board->rom_length = nubus_get_rom(&rp, 4, bytelanes);
|
||||
board->crc = nubus_get_rom(&rp, 4, bytelanes);
|
||||
board->rev = nubus_get_rom(&rp, 1, bytelanes);
|
||||
board->format = nubus_get_rom(&rp,1, bytelanes);
|
||||
board->format = nubus_get_rom(&rp, 1, bytelanes);
|
||||
board->lanes = bytelanes;
|
||||
|
||||
/* Directory offset should be small and negative... */
|
||||
if(!(board->doffset & 0x00FF0000))
|
||||
if (!(board->doffset & 0x00FF0000))
|
||||
pr_warn("Dodgy doffset!\n");
|
||||
dpat = nubus_get_rom(&rp, 4, bytelanes);
|
||||
if(dpat != NUBUS_TEST_PATTERN)
|
||||
if (dpat != NUBUS_TEST_PATTERN)
|
||||
pr_warn("Wrong test pattern %08lx!\n", dpat);
|
||||
|
||||
|
||||
/*
|
||||
* I wonder how the CRC is meant to work -
|
||||
* any takers ?
|
||||
@ -846,7 +830,7 @@ static struct nubus_board* __init nubus_add_board(int slot, int bytelanes)
|
||||
|
||||
/* Attempt to work around slot zero weirdness */
|
||||
nubus_find_rom_dir(board);
|
||||
nubus_get_root_dir(board, &dir);
|
||||
nubus_get_root_dir(board, &dir);
|
||||
|
||||
/* We're ready to rock */
|
||||
pr_info("Slot %X:\n", slot);
|
||||
@ -869,8 +853,9 @@ static struct nubus_board* __init nubus_add_board(int slot, int bytelanes)
|
||||
resources. I have no idea WTF to do about this. */
|
||||
|
||||
while (nubus_readdir(&dir, &ent) != -1) {
|
||||
struct nubus_dev* dev;
|
||||
struct nubus_dev** devp;
|
||||
struct nubus_dev *dev;
|
||||
struct nubus_dev **devp;
|
||||
|
||||
dev = nubus_get_functional_resource(board, slot, &ent);
|
||||
if (dev == NULL)
|
||||
continue;
|
||||
@ -878,32 +863,33 @@ static struct nubus_board* __init nubus_add_board(int slot, int bytelanes)
|
||||
/* We zeroed this out above */
|
||||
if (board->first_dev == NULL)
|
||||
board->first_dev = dev;
|
||||
|
||||
|
||||
/* Put it on the global NuBus device chain. Keep entries in order. */
|
||||
for (devp=&nubus_devices; *devp!=NULL; devp=&((*devp)->next))
|
||||
for (devp = &nubus_devices; *devp != NULL;
|
||||
devp = &((*devp)->next))
|
||||
/* spin */;
|
||||
*devp = dev;
|
||||
dev->next = NULL;
|
||||
dev->next = NULL;
|
||||
}
|
||||
|
||||
/* Put it on the global NuBus board chain. Keep entries in order. */
|
||||
for (boardp=&nubus_boards; *boardp!=NULL; boardp=&((*boardp)->next))
|
||||
for (boardp = &nubus_boards; *boardp != NULL;
|
||||
boardp = &((*boardp)->next))
|
||||
/* spin */;
|
||||
*boardp = board;
|
||||
board->next = NULL;
|
||||
|
||||
|
||||
return board;
|
||||
}
|
||||
|
||||
void __init nubus_probe_slot(int slot)
|
||||
{
|
||||
unsigned char dp;
|
||||
unsigned char* rp;
|
||||
unsigned char *rp;
|
||||
int i;
|
||||
|
||||
rp = nubus_rom_addr(slot);
|
||||
for(i = 4; i; i--)
|
||||
{
|
||||
rp = nubus_rom_addr(slot);
|
||||
for (i = 4; i; i--) {
|
||||
int card_present;
|
||||
|
||||
rp--;
|
||||
@ -918,11 +904,11 @@ void __init nubus_probe_slot(int slot)
|
||||
/* The last byte of the format block consists of two
|
||||
nybbles which are "mirror images" of each other.
|
||||
These show us the valid bytelanes */
|
||||
if ((((dp>>4) ^ dp) & 0x0F) != 0x0F)
|
||||
if ((((dp >> 4) ^ dp) & 0x0F) != 0x0F)
|
||||
continue;
|
||||
/* Check that this value is actually *on* one of the
|
||||
bytelanes it claims are valid! */
|
||||
if ((dp & 0x0F) >= (1<<i))
|
||||
if ((dp & 0x0F) >= (1 << i))
|
||||
continue;
|
||||
|
||||
/* Looks promising. Let's put it on the list. */
|
||||
@ -935,19 +921,19 @@ void __init nubus_probe_slot(int slot)
|
||||
void __init nubus_scan_bus(void)
|
||||
{
|
||||
int slot;
|
||||
|
||||
/* This might not work on your machine */
|
||||
#ifdef I_WANT_TO_PROBE_SLOT_ZERO
|
||||
nubus_probe_slot(0);
|
||||
#endif
|
||||
for(slot = 9; slot < 15; slot++)
|
||||
{
|
||||
for (slot = 9; slot < 15; slot++) {
|
||||
nubus_probe_slot(slot);
|
||||
}
|
||||
}
|
||||
|
||||
static int __init nubus_init(void)
|
||||
{
|
||||
if (!MACH_IS_MAC)
|
||||
if (!MACH_IS_MAC)
|
||||
return 0;
|
||||
|
||||
/* Initialize the NuBus interrupts */
|
||||
@ -963,11 +949,11 @@ static int __init nubus_init(void)
|
||||
gurus can fix the real cause of the problem. */
|
||||
mdelay(1000);
|
||||
#endif
|
||||
|
||||
|
||||
/* And probe */
|
||||
pr_info("NuBus: Scanning NuBus slots.\n");
|
||||
nubus_devices = NULL;
|
||||
nubus_boards = NULL;
|
||||
nubus_boards = NULL;
|
||||
nubus_scan_bus();
|
||||
nubus_proc_init();
|
||||
return 0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user