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Identify Netlogic XLP 8xx B1 chip revisions

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Add functions to check for 8xx B0 and 3xx Ax revisions which will
be used in network block initialization.
This commit is contained in:
Jayachandran C. 2012-07-09 10:24:45 +00:00
parent 21221d1f6b
commit fe60722c96
2 changed files with 25 additions and 0 deletions
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2
sys/mips/nlm/board.c
View File

@ -362,6 +362,8 @@ nlm_print_processor_info(void)
revstr = "A2"; break;
case 3:
revstr = "B0"; break;
case 4:
revstr = "B1"; break;
default:
revstr = "??"; break;
}

23
sys/mips/nlm/xlp.h
View File

@ -57,6 +57,7 @@
#define XLP_REVISION_A1 0x01
#define XLP_REVISION_A2 0x02
#define XLP_REVISION_B0 0x03
#define XLP_REVISION_B1 0x04
#ifndef LOCORE
/*
@ -87,6 +88,16 @@ static __inline int nlm_is_xlp3xx(void)
return (nlm_processor_id() == CHIP_PROCESSOR_ID_XLP_3XX);
}
static __inline int nlm_is_xlp3xx_ax(void)
{
uint32_t procid = mips_rd_prid();
int prid = (procid >> 8) & 0xff;
int rev = procid & 0xff;
return (prid == CHIP_PROCESSOR_ID_XLP_3XX &&
rev < XLP_REVISION_B0);
}
static __inline int nlm_is_xlp4xx(void)
{
int prid = nlm_processor_id();
@ -116,5 +127,17 @@ static __inline int nlm_is_xlp8xx_ax(void)
(rev < XLP_REVISION_B0));
}
static __inline int nlm_is_xlp8xx_b0(void)
{
uint32_t procid = mips_rd_prid();
int prid = (procid >> 8) & 0xff;
int rev = procid & 0xff;
return ((prid == CHIP_PROCESSOR_ID_XLP_8XX ||
prid == CHIP_PROCESSOR_ID_XLP_432 ||
prid == CHIP_PROCESSOR_ID_XLP_416) &&
rev == XLP_REVISION_B0);
}
#endif /* LOCORE */
#endif /* __NLM_XLP_H__ */