diff options
| author | Graf Yang <graf.yang@analog.com> | 2009-07-01 04:08:01 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-07-16 01:52:28 -0400 |
| commit | 10a5ecd03f9f5c374f954cf50a4f85d73f8ce338 (patch) | |
| tree | f91fbb17f4f77202c84d0ccef673f42b15ded2d1 /arch | |
| parent | 532f07ca04c6f8ab0555b00cf5d42dc6f72b802f (diff) | |
| download | lwn-10a5ecd03f9f5c374f954cf50a4f85d73f8ce338.tar.gz lwn-10a5ecd03f9f5c374f954cf50a4f85d73f8ce338.zip | |
Blackfin: update handling of anomaly 364 (wrong rev id in BF527-0.1)
This anomaly only applies to the BF527-0.1, not the BF526-0.1, and not any
other revision of the BF527. So make sure we don't go returning 0xffff
for other cases.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/blackfin/include/asm/processor.h | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h index d0be99be8308..a36ad8dac068 100644 --- a/arch/blackfin/include/asm/processor.h +++ b/arch/blackfin/include/asm/processor.h @@ -105,23 +105,16 @@ static inline uint32_t __pure bfin_revid(void) /* Always use CHIPID, to work around ANOMALY_05000234 */ uint32_t revid = (bfin_read_CHIPID() & CHIPID_VERSION) >> 28; -#ifdef CONFIG_BF52x - /* ANOMALY_05000357 +#ifdef _BOOTROM_GET_DXE_ADDRESS_TWI + /* + * ANOMALY_05000364 * Incorrect Revision Number in DSPID Register */ - if (revid == 0) - switch (bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI)) { - case 0x0010: - revid = 0; - break; - case 0x2796: - revid = 1; - break; - default: - revid = 0xFFFF; - break; - } + if (ANOMALY_05000364 && + bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI) == 0x2796) + revid = 1; #endif + return revid; } |