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MIPS: Netlogic: Add support for XLP2XX

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XLP2XX is first in the series of 28nm XLPII processors.

The changes are to:
* Add processor ID for XLP2XX to asm/cpu.h and kernel/cpu-probe.c.
* Add a cpu_is_xlpii() function to check for XLPII processors.
* Update xlp_mmu_init() to use config4 to enable extended TLB.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5698/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Jayachandran C
2013-08-11 14:43:54 +05:30
committed by Ralf Baechle
parent 13314a91f0
commit 4ca86a2ff3
4 changed files with 32 additions and 6 deletions
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7
arch/mips/include/asm/netlogic/xlp-hal/xlp.h
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@@ -64,5 +64,12 @@ int xlp_get_dram_map(int n, uint64_t *dram_map);
/* Device tree related */
void *xlp_dt_init(void *fdtp);
static inline int cpu_is_xlpii(void)
{
int chip = read_c0_prid() & 0xff00;
return chip == PRID_IMP_NETLOGIC_XLP2XX;
}
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_NLM_XLP_H */