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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-28 21:14:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-28 21:14:43 +0200 |
| commit | 414f746d232d41ed6ae8632c4495ae795373c44b (patch) | |
| tree | 167f9bc8f139c6e82e6732b38c7a938b8a9d31cd /include/asm-blackfin/processor.h | |
| parent | 5a7a201c51c324876d00a54e7208af6af12d1ca4 (diff) | |
| parent | c9272c4f9fbe2087beb3392f526dc5b19efaa56b (diff) | |
Merge branch 'linus' into cpus4096
Diffstat (limited to 'include/asm-blackfin/processor.h')
| -rw-r--r-- | include/asm-blackfin/processor.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/asm-blackfin/processor.h b/include/asm-blackfin/processor.h index 1c004072461..6f3995b119d 100644 --- a/include/asm-blackfin/processor.h +++ b/include/asm-blackfin/processor.h @@ -112,7 +112,26 @@ unsigned long get_wchan(struct task_struct *p); static inline uint32_t __pure bfin_revid(void) { /* stored in the upper 4 bits */ - return bfin_read_CHIPID() >> 28; + uint32_t revid = bfin_read_CHIPID() >> 28; + +#ifdef CONFIG_BF52x + /* ANOMALY_05000357 + * 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; + } +#endif + return revid; } static inline uint32_t __pure bfin_compiled_revid(void) |