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-rw-r--r--arch/powerpc/mm/hash_utils_64.c4
-rw-r--r--arch/powerpc/oprofile/op_model_power4.c3
-rw-r--r--arch/powerpc/platforms/iseries/setup.c10
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c2
-rw-r--r--arch/powerpc/platforms/pseries/setup.c11
-rw-r--r--arch/powerpc/platforms/pseries/smp.c2
-rw-r--r--arch/powerpc/platforms/pseries/xics.c3
-rw-r--r--include/asm-powerpc/firmware.h7
-rw-r--r--include/asm-powerpc/processor.h1
9 files changed, 26 insertions, 17 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 7b4eccffd002..89b35c181314 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -422,7 +422,7 @@ void __init htab_initialize(void)
htab_hash_mask = pteg_count - 1;
- if (platform_is_lpar()) {
+ if (firmware_has_feature(FW_FEATURE_LPAR)) {
/* Using a hypervisor which owns the htab */
htab_address = NULL;
_SDR1 = 0;
@@ -517,7 +517,7 @@ void __init htab_initialize(void)
void htab_initialize_secondary(void)
{
- if (!platform_is_lpar())
+ if (!firmware_has_feature(FW_FEATURE_LPAR))
mtspr(SPRN_SDR1, _SDR1);
}
diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c
index 659a021da0c7..4b06e53eb9b4 100644
--- a/arch/powerpc/oprofile/op_model_power4.c
+++ b/arch/powerpc/oprofile/op_model_power4.c
@@ -10,6 +10,7 @@
#include <linux/oprofile.h>
#include <linux/init.h>
#include <linux/smp.h>
+#include <asm/firmware.h>
#include <asm/ptrace.h>
#include <asm/system.h>
#include <asm/processor.h>
@@ -232,7 +233,7 @@ static unsigned long get_pc(struct pt_regs *regs)
mmcra = mfspr(SPRN_MMCRA);
/* Were we in the hypervisor? */
- if (platform_is_lpar() && (mmcra & MMCRA_SIHV))
+ if (firmware_has_feature(FW_FEATURE_LPAR) && (mmcra & MMCRA_SIHV))
/* function descriptor madness */
return *((unsigned long *)hypervisor_bucket);
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 3ecc4a652d82..b08c3686f903 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -303,8 +303,6 @@ static void __init iSeries_init_early(void)
{
DBG(" -> iSeries_init_early()\n");
- ppc64_firmware_features = FW_FEATURE_ISERIES;
-
ppc64_interrupt_controller = IC_ISERIES;
#if defined(CONFIG_BLK_DEV_INITRD)
@@ -711,7 +709,13 @@ void __init iSeries_init_IRQ(void) { }
static int __init iseries_probe(int platform)
{
- return PLATFORM_ISERIES_LPAR == platform;
+ if (PLATFORM_ISERIES_LPAR != platform)
+ return 0;
+
+ ppc64_firmware_features |= FW_FEATURE_ISERIES;
+ ppc64_firmware_features |= FW_FEATURE_LPAR;
+
+ return 1;
}
struct machdep_calls __initdata iseries_md = {
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 57930e23cc74..2643078433f0 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -580,7 +580,7 @@ void iommu_init_early_pSeries(void)
return;
}
- if (platform_is_lpar()) {
+ if (firmware_has_feature(FW_FEATURE_LPAR)) {
if (firmware_has_feature(FW_FEATURE_MULTITCE)) {
ppc_md.tce_build = tce_buildmulti_pSeriesLP;
ppc_md.tce_free = tce_freemulti_pSeriesLP;
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 149751a3742a..44d5c7fdcd97 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -246,7 +246,7 @@ static void __init pSeries_setup_arch(void)
ppc_md.idle_loop = default_idle;
}
- if (platform_is_lpar())
+ if (firmware_has_feature(FW_FEATURE_LPAR))
ppc_md.enable_pmcs = pseries_lpar_enable_pmcs;
else
ppc_md.enable_pmcs = power4_enable_pmcs;
@@ -324,12 +324,12 @@ static void __init pSeries_init_early(void)
fw_feature_init();
- if (platform_is_lpar())
+ if (firmware_has_feature(FW_FEATURE_LPAR))
hpte_init_lpar();
else
hpte_init_native();
- if (platform_is_lpar())
+ if (firmware_has_feature(FW_FEATURE_LPAR))
find_udbg_vterm();
if (firmware_has_feature(FW_FEATURE_DABR))
@@ -385,6 +385,9 @@ static int __init pSeries_probe(int platform)
* it here ...
*/
+ if (platform == PLATFORM_PSERIES_LPAR)
+ ppc64_firmware_features |= FW_FEATURE_LPAR;
+
return 1;
}
@@ -524,7 +527,7 @@ static void pseries_shared_idle(void)
static int pSeries_pci_probe_mode(struct pci_bus *bus)
{
- if (platform_is_lpar())
+ if (firmware_has_feature(FW_FEATURE_LPAR))
return PCI_PROBE_DEVTREE;
return PCI_PROBE_NORMAL;
}
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 8d710af50756..3cf78a6cd27c 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -443,7 +443,7 @@ void __init smp_init_pSeries(void)
smp_ops->cpu_die = pSeries_cpu_die;
/* Processors can be added/removed only on LPAR */
- if (platform_is_lpar())
+ if (firmware_has_feature(FW_FEATURE_LPAR))
pSeries_reconfig_notifier_register(&pSeries_smp_nb);
#endif
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index fd823c7c9ac8..eb86cdb9b802 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -20,6 +20,7 @@
#include <linux/gfp.h>
#include <linux/radix-tree.h>
#include <linux/cpu.h>
+#include <asm/firmware.h>
#include <asm/prom.h>
#include <asm/io.h>
#include <asm/pgtable.h>
@@ -536,7 +537,7 @@ nextnode:
of_node_put(np);
}
- if (platform_is_lpar())
+ if (firmware_has_feature(FW_FEATURE_LPAR))
ops = &pSeriesLP_ops;
else {
#ifdef CONFIG_SMP
diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h
index b7791a1b05db..ce3788224ed0 100644
--- a/include/asm-powerpc/firmware.h
+++ b/include/asm-powerpc/firmware.h
@@ -41,6 +41,7 @@
#define FW_FEATURE_MULTITCE (1UL<<19)
#define FW_FEATURE_SPLPAR (1UL<<20)
#define FW_FEATURE_ISERIES (1UL<<21)
+#define FW_FEATURE_LPAR (1UL<<22)
enum {
#ifdef CONFIG_PPC64
@@ -51,10 +52,10 @@ enum {
FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
- FW_FEATURE_SPLPAR,
+ FW_FEATURE_SPLPAR | FW_FEATURE_LPAR,
FW_FEATURE_PSERIES_ALWAYS = 0,
- FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES,
- FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES,
+ FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
+ FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
FW_FEATURE_POSSIBLE =
#ifdef CONFIG_PPC_PSERIES
FW_FEATURE_PSERIES_POSSIBLE |
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index 415fa393b00c..1c64a211cf19 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -52,7 +52,6 @@
#ifdef __KERNEL__
#define platform_is_pseries() (_machine == PLATFORM_PSERIES || \
_machine == PLATFORM_PSERIES_LPAR)
-#define platform_is_lpar() (!!(_machine & PLATFORM_LPAR))
#if defined(CONFIG_PPC_MULTIPLATFORM)
extern int _machine;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-21 00:46:57 +0000