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authorMichael Neuling <mikey@neuling.org>2008-06-18 10:47:26 +1000
committerPaul Mackerras <paulus@samba.org>2008-06-30 22:31:11 +1000
commite952e6c4d6635b36c212c056a9427bd93460178c (patch)
tree1791007d187ffea2e66a0150977dc5f3cc3b8c53
parente2d755051129c61a9f67bf752d0b7cc82b115338 (diff)
powerpc: Add cputable entry for POWER7
Add a cputable entry for the POWER7 processor. Also tell firmware that we know about POWER7. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Joel Schopp <jschopp@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--arch/powerpc/kernel/cputable.c25
-rw-r--r--arch/powerpc/kernel/misc.S5
-rw-r--r--arch/powerpc/kernel/prom_init.c1
-rw-r--r--include/asm-powerpc/cputable.h12
4 files changed, 41 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index f247fc6ad12..d8d66930840 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -53,6 +53,8 @@ extern void __setup_cpu_ppc970MP(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_pa6t(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_pa6t(void);
extern void __restore_cpu_ppc970(void);
+extern void __setup_cpu_power7(unsigned long offset, struct cpu_spec* spec);
+extern void __restore_cpu_power7(void);
#endif /* CONFIG_PPC64 */
/* This table only contains "desktop" CPUs, it need to be filled with embedded
@@ -69,6 +71,9 @@ extern void __restore_cpu_ppc970(void);
#define COMMON_USER_POWER6 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\
PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
PPC_FEATURE_TRUE_LE)
+#define COMMON_USER_POWER7 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_06 |\
+ PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
+ PPC_FEATURE_TRUE_LE)
#define COMMON_USER_PA6T (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\
PPC_FEATURE_TRUE_LE | \
PPC_FEATURE_HAS_ALTIVEC_COMP)
@@ -381,6 +386,26 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_generic,
.platform = "power6",
},
+ { /* Power7 */
+ .pvr_mask = 0xffff0000,
+ .pvr_value = 0x003f0000,
+ .cpu_name = "POWER7",
+ .cpu_features = CPU_FTRS_POWER7,
+ .cpu_user_features = COMMON_USER_POWER7,
+ .icache_bsize = 128,
+ .dcache_bsize = 128,
+ .num_pmcs = 6,
+ .pmc_type = PPC_PMC_IBM,
+ .cpu_setup = __setup_cpu_power7,
+ .cpu_restore = __restore_cpu_power7,
+ .oprofile_cpu_type = "ppc64/power7",
+ .oprofile_type = PPC_OPROFILE_POWER4,
+ .oprofile_mmcra_sihv = POWER6_MMCRA_SIHV,
+ .oprofile_mmcra_sipr = POWER6_MMCRA_SIPR,
+ .oprofile_mmcra_clear = POWER6_MMCRA_THRM |
+ POWER6_MMCRA_OTHER,
+ .platform = "power7",
+ },
{ /* Cell Broadband Engine */
.pvr_mask = 0xffff0000,
.pvr_value = 0x00700000,
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index 7b916022069..85cb6f34084 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -116,3 +116,8 @@ _GLOBAL(longjmp)
mtlr r0
mr r3,r4
blr
+
+_GLOBAL(__setup_cpu_power7)
+_GLOBAL(__restore_cpu_power7)
+ /* place holder */
+ blr
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 6d6df1e6032..7585ed181ff 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -650,6 +650,7 @@ static void __init early_cmdline_parse(void)
static unsigned char ibm_architecture_vec[] = {
W(0xfffe0000), W(0x003a0000), /* POWER5/POWER5+ */
W(0xffff0000), W(0x003e0000), /* POWER6 */
+ W(0xffff0000), W(0x003f0000), /* POWER7 */
W(0xffffffff), W(0x0f000002), /* all 2.05-compliant */
W(0xfffffffe), W(0x0f000001), /* all 2.04-compliant and earlier */
5 - 1, /* 5 option vectors */
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 9106113ae0b..3e5b2deafe4 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -26,6 +26,7 @@
#define PPC_FEATURE_PA6T 0x00000800
#define PPC_FEATURE_HAS_DFP 0x00000400
#define PPC_FEATURE_POWER6_EXT 0x00000200
+#define PPC_FEATURE_ARCH_2_06 0x00000100
#define PPC_FEATURE_TRUE_LE 0x00000002
#define PPC_FEATURE_PPC_LE 0x00000001
@@ -379,6 +380,12 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
CPU_FTR_DSCR)
+#define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | \
+ CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+ CPU_FTR_MMCRA | CPU_FTR_SMT | \
+ CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
+ CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
+ CPU_FTR_DSCR)
#define CPU_FTRS_CELL (CPU_FTR_USE_TB | \
CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
@@ -394,7 +401,8 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
#define CPU_FTRS_POSSIBLE \
(CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \
CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 | \
- CPU_FTRS_CELL | CPU_FTRS_PA6T | CPU_FTR_1T_SEGMENT)
+ CPU_FTRS_POWER7 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
+ CPU_FTR_1T_SEGMENT)
#else
enum {
CPU_FTRS_POSSIBLE =
@@ -434,7 +442,7 @@ enum {
#define CPU_FTRS_ALWAYS \
(CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \
CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 & \
- CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
+ CPU_FTRS_POWER7 & CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
#else
enum {
CPU_FTRS_ALWAYS =