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MIPS: Netlogic: Add cpu to node mapping for XLP9XX

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XLP9XX has 20 cores per node, opposed to 8 on earlier XLP8XX.
Update code that calculates node id from cpu id to handle this.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6283/
This commit is contained in:
Jayachandran C 2013-12-21 16:52:26 +05:30 • committed by Ralf Baechle
parent e7aa6c66b0
commit 98d4884ca5
8 changed files with 33 additions and 14 deletions
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7
arch/mips/include/asm/netlogic/mips-extns.h
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@ -146,7 +146,12 @@ static inline int hard_smp_processor_id(void)
static inline int nlm_nodeid(void)
{
return (__read_32bit_c0_register($15, 1) >> 5) & 0x3;
uint32_t prid = read_c0_prid();
if ((prid & 0xff00) == PRID_IMP_NETLOGIC_XLP9XX)
return (__read_32bit_c0_register($15, 1) >> 7) & 0x7;
else
return (__read_32bit_c0_register($15, 1) >> 5) & 0x3;
}
static inline unsigned int nlm_core_id(void)