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[SSB]: add Sonics Silicon Backplane bus support

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SSB is an SoC bus used in a number of embedded devices.  The most
well-known of these devices is probably the Linksys WRT54G, but there
are others as well.  The bus is also used internally on the BCM43xx
and BCM44xx devices from Broadcom.

This patch also includes support for SSB ID tables in modules, so
that SSB drivers can be loaded automatically.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Buesch
2007-09-18 15:12:50 -04:00
committed by David S. Miller
parent 5ee3afba88
commit 61e115a56d
24 changed files with 5892 additions and 0 deletions
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19
scripts/mod/file2alias.c
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@@ -484,6 +484,21 @@ static int do_parisc_entry(const char *filename, struct parisc_device_id *id,
return 1;
}
/* Looks like: ssb:vNidNrevN. */
static int do_ssb_entry(const char *filename,
struct ssb_device_id *id, char *alias)
{
id->vendor = TO_NATIVE(id->vendor);
id->coreid = TO_NATIVE(id->coreid);
id->revision = TO_NATIVE(id->revision);
strcpy(alias, "ssb:");
ADD(alias, "v", id->vendor != SSB_ANY_VENDOR, id->vendor);
ADD(alias, "id", id->coreid != SSB_ANY_ID, id->coreid);
ADD(alias, "rev", id->revision != SSB_ANY_REV, id->revision);
return 1;
}
/* Ignore any prefix, eg. v850 prepends _ */
static inline int sym_is(const char *symbol, const char *name)
{
@@ -599,6 +614,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
do_table(symval, sym->st_size,
sizeof(struct parisc_device_id), "parisc",
do_parisc_entry, mod);
else if (sym_is(symname, "__mod_ssb_device_table"))
do_table(symval, sym->st_size,
sizeof(struct ssb_device_id), "ssb",
do_ssb_entry, mod);
}
/* Now add out buffered information to the generated C source */