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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>
hifive-unleashed-5.1
Michael Neuling 2008-06-18 10:47:26 +10:00 committed by Paul Mackerras
parent e2d7550511
commit e952e6c4d6
4 changed files with 41 additions and 2 deletions
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25
arch/powerpc/kernel/cputable.c
View File

@ -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,

5
arch/powerpc/kernel/misc.S
View File

@ -116,3 +116,8 @@ _GLOBAL(longjmp)
mtlr r0
mr r3,r4
blr
_GLOBAL(__setup_cpu_power7)
_GLOBAL(__restore_cpu_power7)
/* place holder */
blr

1
arch/powerpc/kernel/prom_init.c
View File

@ -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 */

12
include/asm-powerpc/cputable.h
View File

@ -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 =