提交 ce5732a2 编写于 作者: M Michael Neuling 提交者: Michael Ellerman

powerpc/powernv: Create separate subcores CPU feature bit

Subcores isn't really part of the 2.07 architecture but currently we
turn it on using the 2.07 feature bit.  Subcores is really a POWER8
specific feature.

This adds a new CPU_FTR bit just for subcores and moves the subcore
init code over to use this.
Reviewed-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: NMichael Neuling <mikey@neuling.org>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
上级 88409d0c
......@@ -196,6 +196,7 @@ enum {
#define CPU_FTR_DAWR LONG_ASM_CONST(0x0400000000000000)
#define CPU_FTR_DABRX LONG_ASM_CONST(0x0800000000000000)
#define CPU_FTR_PMAO_BUG LONG_ASM_CONST(0x1000000000000000)
#define CPU_FTR_SUBCORE LONG_ASM_CONST(0x2000000000000000)
#ifndef __ASSEMBLY__
......@@ -443,7 +444,7 @@ enum {
CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \
CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP)
CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP | CPU_FTR_SUBCORE)
#define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG)
#define CPU_FTRS_POWER8_DD1 (CPU_FTRS_POWER8 & ~CPU_FTR_DBELL)
#define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
......
......@@ -407,7 +407,7 @@ static DEVICE_ATTR(subcores_per_core, 0644,
static int subcore_init(void)
{
if (!cpu_has_feature(CPU_FTR_ARCH_207S))
if (!cpu_has_feature(CPU_FTR_SUBCORE))
return 0;
/*
......
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