powerpc/pseries: Update ibm,architecture.vec for PAPR 2.7/POWER8

Update ibm,architecture.vec for POWER8 and allows us to support more
than one parition per core.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 8 insertions, 3 deletions

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index cb6c123722a2..779f34049a56 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -671,6 +671,7 @@ static void __init early_cmdline_parse(void)
 #define OV1_PPC_2_04            0x08    /* set if we support PowerPC 2.04 */
 #define OV1_PPC_2_05            0x04    /* set if we support PowerPC 2.05 */
 #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 2: Open Firmware options supported */
 #define OV2_REAL_MODE           0x20    /* set if we want OF in real mode */
@@ -707,6 +708,7 @@ static void __init early_cmdline_parse(void)
 #define OV5_PFO_HW_RNG          0x80    /* PFO Random Number Generator */
 #define OV5_PFO_HW_842          0x40    /* PFO Compression Accelerator */
 #define OV5_PFO_HW_ENCR         0x20    /* PFO Encryption Accelerator */
+#define OV5_SUB_PROCESSORS      0x01    /* 1,2,or 4 Sub-Processors supported */
 
 /* Option Vector 6: IBM PAPR hints */
 #define OV6_LINUX               0x02    /* Linux is our OS */
@@ -719,6 +721,8 @@ static unsigned char ibm_architecture_vec[] = {
         W(0xfffe0000), W(0x003a0000),   /* POWER5/POWER5+ */
         W(0xffff0000), W(0x003e0000),   /* POWER6 */
         W(0xffff0000), W(0x003f0000),   /* POWER7 */
+        W(0xffff0000), W(0x004b0000),   /* POWER8 */
+        W(0xffffffff), W(0x0f000004),   /* all 2.07-compliant */
         W(0xffffffff), W(0x0f000003),   /* all 2.06-compliant */
         W(0xffffffff), W(0x0f000002),   /* all 2.05-compliant */
         W(0xfffffffe), W(0x0f000001),   /* all 2.04-compliant and earlier */
@@ -728,7 +732,7 @@ static unsigned char ibm_architecture_vec[] = {
         3 - 2,                          /* length */
         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_04 | OV1_PPC_2_05 | OV1_PPC_2_06 | OV1_PPC_2_07,
 
         /* option vector 2: Open Firmware options supported */
         34 - 2,                         /* length */
@@ -755,7 +759,7 @@ static unsigned char ibm_architecture_vec[] = {
         OV4_MIN_ENT_CAP,                /* minimum VP entitled capacity */
 
         /* option vector 5: PAPR/OF options */
-        18 - 2,                         /* length */
+        19 - 2,                         /* length */
         0,                              /* don't ignore, don't halt */
         OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY |
         OV5_DONATE_DEDICATE_CPU | OV5_MSI,
@@ -769,13 +773,14 @@ static 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     101
+#define IBM_ARCH_VEC_NRCORES_OFFSET     117
         W(NR_CPUS),                     /* number of cores supported */
         0,
         0,
         0,
         0,
         OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR | OV5_PFO_HW_842,
+        OV5_SUB_PROCESSORS,
         /* option vector 6: IBM PAPR hints */
         4 - 2,                          /* length */
         0,