Re: [PATCH] Add support for power9 in ibm_architecture_vec
From: Aneesh Kumar K.V <hidden>
Date: 2016-06-15 11:18:20
Balbir Singh [off-list ref] writes:
quoted hunk ↗ jump to hunk
The PVR list has been updated and IBM_ARCH_VEC_NRCORES_OFFSET. Signed-off-by: Balbir Singh <bsingharora@gmail.com> --- arch/powerpc/include/asm/prom.h | 5 ++++- arch/powerpc/kernel/prom_init.c | 5 ++++- 2 files changed, 8 insertions(+), 2 deletions(-)diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index 7f436ba..da0c98e 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h@@ -111,7 +111,7 @@ struct of_drconf_cell { #define OV_IGNORE 0x80 /* ignore this vector */ #define OV_CESSATION_POLICY 0x40 /* halt if unsupported option present*/ -/* Option vector 1: processor architectures supported */ +/* Option vector 1: byte 2, processor architectures supported */ #define OV1_PPC_2_00 0x80 /* set if we support PowerPC 2.00 */ #define OV1_PPC_2_01 0x40 /* set if we support PowerPC 2.01 */ #define OV1_PPC_2_02 0x20 /* set if we support PowerPC 2.02 */@@ -121,6 +121,9 @@ struct of_drconf_cell { #define OV1_PPC_2_06 0x02 /* set if we support PowerPC 2.06 */ #define OV1_PPC_2_07 0x01 /* set if we support PowerPC 2.07 */ +/* Option vector 1: byte 3, processor architectures supported */ +#define OV1_PPC_3_00 0x80 /* set if we support PowerPC 3.00 */ + /* Option vector 2: Open Firmware options supported */ #define OV2_REAL_MODE 0x20 /* set if we want OF in real mode */diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index ccd2037..51f63e8 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c@@ -658,6 +658,8 @@ unsigned char ibm_architecture_vec[] = { W(0xffff0000), W(0x004b0000), /* POWER8E */ W(0xffff0000), W(0x004c0000), /* POWER8NVL */ W(0xffff0000), W(0x004d0000), /* POWER8 */ + W(0xffff0000), W(0x004e0000), /* POWER9 */ + W(0xffffffff), W(0x0f000005), /* all 3.0-compliant */ W(0xffffffff), W(0x0f000004), /* all 2.07-compliant */ W(0xffffffff), W(0x0f000003), /* all 2.06-compliant */ W(0xffffffff), W(0x0f000002), /* all 2.05-compliant */@@ -669,6 +671,7 @@ unsigned char ibm_architecture_vec[] = { 0, /* don't ignore, don't halt */ OV1_PPC_2_00 | OV1_PPC_2_01 | OV1_PPC_2_02 | OV1_PPC_2_03 | OV1_PPC_2_04 | OV1_PPC_2_05 | OV1_PPC_2_06 | OV1_PPC_2_07, + OV1_PPC_3_00, /* option vector 2: Open Firmware options supported */ VECTOR_LENGTH(33), /* length */@@ -719,7 +722,7 @@ unsigned char ibm_architecture_vec[] = { * must match by the macro below. Update the definition if * the structure layout changes. */ -#define IBM_ARCH_VEC_NRCORES_OFFSET 125 +#define IBM_ARCH_VEC_NRCORES_OFFSET 150
Shouldn't this be 125 + 16 ?
W(NR_CPUS), /* number of cores supported */ 0, 0, -- 2.5.5