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Commit 0138da61 authored by Michael Hennerich's avatar Michael Hennerich Committed by Bryan Wu
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Blackfin arch: fix bug - detect 0.1 silicon revision BF527-EZKIT as 0.0 version 



Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent cc2e16bd

include/asm-blackfin/processor.h

+20 −1
Original line number Diff line number Diff line
@@ -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)