redonkable/remarkable-linux
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bcma: support SPROM rev 10

Browse source 
This is pretty much the same as rev 9, there are just 2 extra fields we
know about, but are not used/stored yet anyway.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2013-05-13 22:07:53 +02:00 committed by John W. Linville
parent 92eb164258
commit 78e578c5b4
2 changed files with 10 additions and 7 deletions
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16
drivers/bcma/sprom.c
View file

@ -154,7 +154,8 @@ static int bcma_sprom_check_crc(const u16 *sprom, size_t words)
return 0;
}
static int bcma_sprom_valid(const u16 *sprom, size_t words)
static int bcma_sprom_valid(struct bcma_bus *bus, const u16 *sprom,
size_t words)
{
u16 revision;
int err;
@ -164,11 +165,14 @@ static int bcma_sprom_valid(const u16 *sprom, size_t words)
return err;
revision = sprom[words - 1] & SSB_SPROM_REVISION_REV;
if (revision != 8 && revision != 9) {
if (revision != 8 && revision != 9 && revision != 10) {
pr_err("Unsupported SPROM revision: %d\n", revision);
return -ENOENT;
}
bus->sprom.revision = revision;
bcma_debug(bus, "Found SPROM revision %d\n", revision);
return 0;
}
@ -208,9 +212,6 @@ static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
ARRAY_SIZE(bus->sprom.core_pwr_info));
bus->sprom.revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] &
SSB_SPROM_REVISION_REV;
for (i = 0; i < 3; i++) {
v = sprom[SPOFF(SSB_SPROM8_IL0MAC) + i];
*(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v);
@ -549,7 +550,8 @@ int bcma_sprom_get(struct bcma_bus *bus)
{
u16 offset = BCMA_CC_SPROM;
u16 *sprom;
size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4, };
size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4,
SSB_SPROMSIZE_WORDS_R10, };
int i, err = 0;
if (!bus->drv_cc.core)
@ -592,7 +594,7 @@ int bcma_sprom_get(struct bcma_bus *bus)
return -ENOMEM;
bcma_sprom_read(bus, offset, sprom, words);
err = bcma_sprom_valid(sprom, words);
err = bcma_sprom_valid(bus, sprom, words);
if (!err)
break;

1
include/linux/ssb/ssb_regs.h
View file

@ -172,6 +172,7 @@
#define SSB_SPROMSIZE_WORDS_R4 220
#define SSB_SPROMSIZE_BYTES_R123 (SSB_SPROMSIZE_WORDS_R123 * sizeof(u16))
#define SSB_SPROMSIZE_BYTES_R4 (SSB_SPROMSIZE_WORDS_R4 * sizeof(u16))
#define SSB_SPROMSIZE_WORDS_R10 230
#define SSB_SPROM_BASE1 0x1000
#define SSB_SPROM_BASE31 0x0800
#define SSB_SPROM_REVISION 0x007E