UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

powerpc: Remove FW_FEATURE ISERIES from arch code 

This is no longer selectable, so just remove all the dependent code.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Stephen Rothwell 2012-03-15 18:18:00 +00:00 committed by Benjamin Herrenschmidt
parent ec86b45af4
commit f5339277eb
18 changed files with 26 additions and 367 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
arch/powerpc/include/asm/abs_addr.h
View File

@ -17,7 +17,6 @@
#include <asm/types.h>
#include <asm/page.h>
#include <asm/prom.h>
#include <asm/firmware.h>
struct mschunks_map {
unsigned long num_chunks;
@ -46,30 +45,12 @@ static inline unsigned long addr_to_chunk(unsigned long addr)
static inline unsigned long phys_to_abs(unsigned long pa)
{
unsigned long chunk;
/* This is a no-op on non-iSeries */
if (!firmware_has_feature(FW_FEATURE_ISERIES))
return pa;
chunk = addr_to_chunk(pa);
if (chunk < mschunks_map.num_chunks)
chunk = mschunks_map.mapping[chunk];
return chunk_to_addr(chunk) + (pa & MSCHUNKS_OFFSET_MASK);
return pa;
}
/* Convenience macros */
#define virt_to_abs(va) phys_to_abs(__pa(va))
#define abs_to_virt(aa) __va(aa)
/*
* Converts Virtual Address to Real Address for
* Legacy iSeries Hypervisor calls
*/
#define iseries_hv_addr(virtaddr) \
(0x8000000000000000UL | virt_to_abs(virtaddr))
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_ABS_ADDR_H */

9
arch/powerpc/include/asm/firmware.h
View File

@ -41,7 +41,6 @@
#define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000)
#define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000)
#define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000)
#define FW_FEATURE_ISERIES ASM_CONST(0x0000000000200000)
#define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000)
#define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000)
#define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000)
@ -65,8 +64,6 @@ enum {
FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO,
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2,
FW_FEATURE_POWERNV_ALWAYS = 0,
FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
@ -79,9 +76,6 @@ enum {
#ifdef CONFIG_PPC_PSERIES
FW_FEATURE_PSERIES_POSSIBLE |
#endif
#ifdef CONFIG_PPC_ISERIES
FW_FEATURE_ISERIES_POSSIBLE |
#endif
#ifdef CONFIG_PPC_POWERNV
FW_FEATURE_POWERNV_POSSIBLE |
#endif
@ -99,9 +93,6 @@ enum {
#ifdef CONFIG_PPC_PSERIES
FW_FEATURE_PSERIES_ALWAYS &
#endif
#ifdef CONFIG_PPC_ISERIES
FW_FEATURE_ISERIES_ALWAYS &
#endif
#ifdef CONFIG_PPC_POWERNV
FW_FEATURE_POWERNV_ALWAYS &
#endif

15
arch/powerpc/include/asm/time.h
View File

@ -18,11 +18,6 @@
#include <linux/percpu.h>
#include <asm/processor.h>
#ifdef CONFIG_PPC_ISERIES
#include <asm/paca.h>
#include <asm/firmware.h>
#include <asm/iseries/hv_call.h>
#endif
/* time.c */
extern unsigned long tb_ticks_per_jiffy;
@ -166,15 +161,6 @@ static inline void set_dec(int val)
#else
#ifndef CONFIG_BOOKE
--val;
#endif
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES) &&
get_lppaca()->shared_proc) {
get_lppaca()->virtual_decr = val;
if (get_dec() > val)
HvCall_setVirtualDecr();
return;
}
#endif
mtspr(SPRN_DEC, val);
#endif /* not 40x or 8xx_CPU6 */
@ -217,7 +203,6 @@ DECLARE_PER_CPU(struct cpu_usage, cpu_usage_array);
#endif
extern void secondary_cpu_time_init(void);
extern void iSeries_time_init_early(void);
DECLARE_PER_CPU(u64, decrementers_next_tb);

14
arch/powerpc/kernel/irq.c
View File

@ -211,11 +211,6 @@ notrace void arch_local_irq_restore(unsigned long en)
* External interrupt events on non-iseries will have caused
* interrupts to be hard-disabled, so there is no problem, we
* cannot have preempted.
*
* That leaves us with EEs on iSeries or decrementer interrupts,
* which I decided to safely ignore. The preemption would have
* itself been the result of an interrupt, upon which return we
* will have checked for pending events on the old CPU.
*/
irq_happened = get_irq_happened();
if (!irq_happened)
@ -458,15 +453,6 @@ void do_IRQ(struct pt_regs *regs)
irq_exit();
set_irq_regs(old_regs);
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES) &&
get_lppaca()->int_dword.fields.decr_int) {
get_lppaca()->int_dword.fields.decr_int = 0;
/* Signal a fake decrementer interrupt */
timer_interrupt(regs);
}
#endif
trace_irq_exit(regs);
}

3
arch/powerpc/kernel/isa-bridge.c
View File

@ -29,7 +29,6 @@
#include <asm/pci-bridge.h>
#include <asm/machdep.h>
#include <asm/ppc-pci.h>
#include <asm/firmware.h>
unsigned long isa_io_base; /* NULL if no ISA bus */
EXPORT_SYMBOL(isa_io_base);
@ -261,8 +260,6 @@ static struct notifier_block isa_bridge_notifier = {
*/
static int __init isa_bridge_init(void)
{
if (firmware_has_feature(FW_FEATURE_ISERIES))
return 0;
bus_register_notifier(&pci_bus_type, &isa_bridge_notifier);
return 0;
}

108
arch/powerpc/kernel/lparcfg.c
View File

@ -26,7 +26,6 @@
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/iseries/hv_lp_config.h>
#include <asm/lppaca.h>
#include <asm/hvcall.h>
#include <asm/firmware.h>
@ -55,80 +54,14 @@ static unsigned long get_purr(void)
int cpu;
for_each_possible_cpu(cpu) {
if (firmware_has_feature(FW_FEATURE_ISERIES))
sum_purr += lppaca_of(cpu).emulated_time_base;
else {
struct cpu_usage *cu;
struct cpu_usage *cu;
cu = &per_cpu(cpu_usage_array, cpu);
sum_purr += cu->current_tb;
}
cu = &per_cpu(cpu_usage_array, cpu);
sum_purr += cu->current_tb;
}
return sum_purr;
}
#ifdef CONFIG_PPC_ISERIES
/*
* Methods used to fetch LPAR data when running on an iSeries platform.
*/
static int iseries_lparcfg_data(struct seq_file *m, void *v)
{
unsigned long pool_id;
int shared, entitled_capacity, max_entitled_capacity;
int processors, max_processors;
unsigned long purr = get_purr();
shared = (int)(local_paca->lppaca_ptr->shared_proc);
seq_printf(m, "system_active_processors=%d\n",
(int)HvLpConfig_getSystemPhysicalProcessors());
seq_printf(m, "system_potential_processors=%d\n",
(int)HvLpConfig_getSystemPhysicalProcessors());
processors = (int)HvLpConfig_getPhysicalProcessors();
seq_printf(m, "partition_active_processors=%d\n", processors);
max_processors = (int)HvLpConfig_getMaxPhysicalProcessors();
seq_printf(m, "partition_potential_processors=%d\n", max_processors);
if (shared) {
entitled_capacity = HvLpConfig_getSharedProcUnits();
max_entitled_capacity = HvLpConfig_getMaxSharedProcUnits();
} else {
entitled_capacity = processors * 100;
max_entitled_capacity = max_processors * 100;
}
seq_printf(m, "partition_entitled_capacity=%d\n", entitled_capacity);
seq_printf(m, "partition_max_entitled_capacity=%d\n",
max_entitled_capacity);
if (shared) {
pool_id = HvLpConfig_getSharedPoolIndex();
seq_printf(m, "pool=%d\n", (int)pool_id);
seq_printf(m, "pool_capacity=%d\n",
(int)(HvLpConfig_getNumProcsInSharedPool(pool_id) *
100));
seq_printf(m, "purr=%ld\n", purr);
}
seq_printf(m, "shared_processor_mode=%d\n", shared);
return 0;
}
#else /* CONFIG_PPC_ISERIES */
static int iseries_lparcfg_data(struct seq_file *m, void *v)
{
return 0;
}
#endif /* CONFIG_PPC_ISERIES */
#ifdef CONFIG_PPC_PSERIES
/*
* Methods used to fetch LPAR data when running on a pSeries platform.
*/
@ -648,8 +581,7 @@ static ssize_t lparcfg_write(struct file *file, const char __user * buf,
u8 new_weight, *new_weight_ptr = &new_weight;
ssize_t retval;
if (!firmware_has_feature(FW_FEATURE_SPLPAR) ||
firmware_has_feature(FW_FEATURE_ISERIES))
if (!firmware_has_feature(FW_FEATURE_SPLPAR))
return -EINVAL;
if (count > kbuf_sz)
@ -709,21 +641,6 @@ static ssize_t lparcfg_write(struct file *file, const char __user * buf,
return retval;
}
#else /* CONFIG_PPC_PSERIES */
static int pseries_lparcfg_data(struct seq_file *m, void *v)
{
return 0;
}
static ssize_t lparcfg_write(struct file *file, const char __user * buf,
size_t count, loff_t * off)
{
return -EINVAL;
}
#endif /* CONFIG_PPC_PSERIES */
static int lparcfg_data(struct seq_file *m, void *v)
{
struct device_node *rootdn;
@ -738,19 +655,11 @@ static int lparcfg_data(struct seq_file *m, void *v)
rootdn = of_find_node_by_path("/");
if (rootdn) {
tmp = of_get_property(rootdn, "model", NULL);
if (tmp) {
if (tmp)
model = tmp;
/* Skip "IBM," - see platforms/iseries/dt.c */
if (firmware_has_feature(FW_FEATURE_ISERIES))
model += 4;
}
tmp = of_get_property(rootdn, "system-id", NULL);
if (tmp) {
if (tmp)
system_id = tmp;
/* Skip "IBM," - see platforms/iseries/dt.c */
if (firmware_has_feature(FW_FEATURE_ISERIES))
system_id += 4;
}
lp_index_ptr = of_get_property(rootdn, "ibm,partition-no",
NULL);
if (lp_index_ptr)
@ -761,8 +670,6 @@ static int lparcfg_data(struct seq_file *m, void *v)
seq_printf(m, "system_type=%s\n", model);
seq_printf(m, "partition_id=%d\n", (int)lp_index);
if (firmware_has_feature(FW_FEATURE_ISERIES))
return iseries_lparcfg_data(m, v);
return pseries_lparcfg_data(m, v);
}
@ -786,8 +693,7 @@ static int __init lparcfg_init(void)
umode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
/* Allow writing if we have FW_FEATURE_SPLPAR */
if (firmware_has_feature(FW_FEATURE_SPLPAR) &&
!firmware_has_feature(FW_FEATURE_ISERIES))
if (firmware_has_feature(FW_FEATURE_SPLPAR))
mode |= S_IWUSR;
ent = proc_create("powerpc/lparcfg", mode, NULL, &lparcfg_fops);

12
arch/powerpc/kernel/paca.c
View File

@ -11,13 +11,10 @@
#include <linux/export.h>
#include <linux/memblock.h>
#include <asm/firmware.h>
#include <asm/lppaca.h>
#include <asm/paca.h>
#include <asm/sections.h>
#include <asm/pgtable.h>
#include <asm/iseries/lpar_map.h>
#include <asm/iseries/hv_types.h>
#include <asm/kexec.h>
/* This symbol is provided by the linker - let it fill in the paca
@ -30,8 +27,8 @@ extern unsigned long __toc_start;
* The structure which the hypervisor knows about - this structure
* should not cross a page boundary. The vpa_init/register_vpa call
* is now known to fail if the lppaca structure crosses a page
* boundary. The lppaca is also used on legacy iSeries and POWER5
* pSeries boxes. The lppaca is 640 bytes long, and cannot readily
* boundary. The lppaca is also used on POWER5 pSeries boxes.
* The lppaca is 640 bytes long, and cannot readily
* change since the hypervisor knows its layout, so a 1kB alignment
* will suffice to ensure that it doesn't cross a page boundary.
*/
@ -183,12 +180,9 @@ void __init allocate_pacas(void)
/*
* We can't take SLB misses on the paca, and we want to access them
* in real mode, so allocate them within the RMA and also within
* the first segment. On iSeries they must be within the area mapped
* by the HV, which is HvPagesToMap * HVPAGESIZE bytes.
* the first segment.
*/
limit = min(0x10000000ULL, ppc64_rma_size);
if (firmware_has_feature(FW_FEATURE_ISERIES))
limit = min(limit, HvPagesToMap * HVPAGESIZE);
paca_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpu_ids);

15
arch/powerpc/kernel/pci-common.c
View File

@ -38,7 +38,6 @@
#include <asm/byteorder.h>
#include <asm/machdep.h>
#include <asm/ppc-pci.h>
#include <asm/firmware.h>
#include <asm/eeh.h>
static DEFINE_SPINLOCK(hose_spinlock);
@ -219,20 +218,6 @@ static int pci_read_irq_line(struct pci_dev *pci_dev)
struct of_irq oirq;
unsigned int virq;
/* The current device-tree that iSeries generates from the HV
* PCI informations doesn't contain proper interrupt routing,
* and all the fallback would do is print out crap, so we
* don't attempt to resolve the interrupts here at all, some
* iSeries specific fixup does it.
*
* In the long run, we will hopefully fix the generated device-tree
* instead.
*/
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES))
return -1;
#endif
pr_debug("PCI: Try to map irq for %s...\n", pci_name(pci_dev));
#ifdef DEBUG

7
arch/powerpc/kernel/sysfs.c
View File

@ -12,7 +12,6 @@
#include <asm/current.h>
#include <asm/processor.h>
#include <asm/cputable.h>
#include <asm/firmware.h>
#include <asm/hvcall.h>
#include <asm/prom.h>
#include <asm/machdep.h>
@ -341,8 +340,7 @@ static void __cpuinit register_cpu_online(unsigned int cpu)
int i, nattrs;
#ifdef CONFIG_PPC64
if (!firmware_has_feature(FW_FEATURE_ISERIES) &&
cpu_has_feature(CPU_FTR_SMT))
if (cpu_has_feature(CPU_FTR_SMT))
device_create_file(s, &dev_attr_smt_snooze_delay);
#endif
@ -414,8 +412,7 @@ static void unregister_cpu_online(unsigned int cpu)
BUG_ON(!c->hotpluggable);
#ifdef CONFIG_PPC64
if (!firmware_has_feature(FW_FEATURE_ISERIES) &&
cpu_has_feature(CPU_FTR_SMT))
if (cpu_has_feature(CPU_FTR_SMT))
device_remove_file(s, &dev_attr_smt_snooze_delay);
#endif

108
arch/powerpc/kernel/time.c
View File

@ -17,8 +17,7 @@
*
* TODO (not necessarily in this file):
* - improve precision and reproducibility of timebase frequency
* measurement at boot time. (for iSeries, we calibrate the timebase
* against the Titan chip's clock.)
* measurement at boot time.
* - for astronomical applications: add a new function to get
* non ambiguous timestamps even around leap seconds. This needs
* a new timestamp format and a good name.
@ -70,10 +69,6 @@
#include <asm/vdso_datapage.h>
#include <asm/firmware.h>
#include <asm/cputime.h>
#ifdef CONFIG_PPC_ISERIES
#include <asm/iseries/it_lp_queue.h>
#include <asm/iseries/hv_call_xm.h>
#endif
/* powerpc clocksource/clockevent code */
@ -117,14 +112,6 @@ static struct clock_event_device decrementer_clockevent = {
DEFINE_PER_CPU(u64, decrementers_next_tb);
static DEFINE_PER_CPU(struct clock_event_device, decrementers);
#ifdef CONFIG_PPC_ISERIES
static unsigned long __initdata iSeries_recal_titan;
static signed long __initdata iSeries_recal_tb;
/* Forward declaration is only needed for iSereis compiles */
static void __init clocksource_init(void);
#endif
#define XSEC_PER_SEC (1024*1024)
#ifdef CONFIG_PPC64
@ -423,74 +410,6 @@ unsigned long profile_pc(struct pt_regs *regs)
EXPORT_SYMBOL(profile_pc);
#endif
#ifdef CONFIG_PPC_ISERIES
/*
* This function recalibrates the timebase based on the 49-bit time-of-day
* value in the Titan chip. The Titan is much more accurate than the value
* returned by the service processor for the timebase frequency.
*/
static int __init iSeries_tb_recal(void)
{
unsigned long titan, tb;
/* Make sure we only run on iSeries */
if (!firmware_has_feature(FW_FEATURE_ISERIES))
return -ENODEV;
tb = get_tb();
titan = HvCallXm_loadTod();
if ( iSeries_recal_titan ) {
unsigned long tb_ticks = tb - iSeries_recal_tb;
unsigned long titan_usec = (titan - iSeries_recal_titan) >> 12;
unsigned long new_tb_ticks_per_sec = (tb_ticks * USEC_PER_SEC)/titan_usec;
unsigned long new_tb_ticks_per_jiffy =
DIV_ROUND_CLOSEST(new_tb_ticks_per_sec, HZ);
long tick_diff = new_tb_ticks_per_jiffy - tb_ticks_per_jiffy;
char sign = '+';
/* make sure tb_ticks_per_sec and tb_ticks_per_jiffy are consistent */
new_tb_ticks_per_sec = new_tb_ticks_per_jiffy * HZ;
if ( tick_diff < 0 ) {
tick_diff = -tick_diff;
sign = '-';
}
if ( tick_diff ) {
if ( tick_diff < tb_ticks_per_jiffy/25 ) {
printk( "Titan recalibrate: new tb_ticks_per_jiffy = %lu (%c%ld)\n",
new_tb_ticks_per_jiffy, sign, tick_diff );
tb_ticks_per_jiffy = new_tb_ticks_per_jiffy;
tb_ticks_per_sec = new_tb_ticks_per_sec;
calc_cputime_factors();
vdso_data->tb_ticks_per_sec = tb_ticks_per_sec;
setup_cputime_one_jiffy();
}
else {
printk( "Titan recalibrate: FAILED (difference > 4 percent)\n"
" new tb_ticks_per_jiffy = %lu\n"
" old tb_ticks_per_jiffy = %lu\n",
new_tb_ticks_per_jiffy, tb_ticks_per_jiffy );
}
}
}
iSeries_recal_titan = titan;
iSeries_recal_tb = tb;
/* Called here as now we know accurate values for the timebase */
clocksource_init();
return 0;
}
late_initcall(iSeries_tb_recal);
/* Called from platform early init */
void __init iSeries_time_init_early(void)
{
iSeries_recal_tb = get_tb();
iSeries_recal_titan = HvCallXm_loadTod();
}
#endif /* CONFIG_PPC_ISERIES */
#ifdef CONFIG_IRQ_WORK
/*
@ -546,16 +465,6 @@ void arch_irq_work_raise(void)
#endif /* CONFIG_IRQ_WORK */
/*
* For iSeries shared processors, we have to let the hypervisor
* set the hardware decrementer. We set a virtual decrementer
* in the lppaca and call the hypervisor if the virtual
* decrementer is less than the current value in the hardware
* decrementer. (almost always the new decrementer value will
* be greater than the current hardware decementer so the hypervisor
* call will not be needed)
*/
/*
* timer_interrupt - gets called when the decrementer overflows,
* with interrupts disabled.
@ -599,20 +508,10 @@ void timer_interrupt(struct pt_regs * regs)
irq_work_run();
}
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES))
get_lppaca()->int_dword.fields.decr_int = 0;
#endif
*next_tb = ~(u64)0;
if (evt->event_handler)
evt->event_handler(evt);
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES) && hvlpevent_is_pending())
process_hvlpevents();
#endif
#ifdef CONFIG_PPC64
/* collect purr register values often, for accurate calculations */
if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
@ -984,9 +883,8 @@ void __init time_init(void)
*/
start_cpu_decrementer();
/* Register the clocksource, if we're not running on iSeries */
if (!firmware_has_feature(FW_FEATURE_ISERIES))
clocksource_init();
/* Register the clocksource */
clocksource_init();
init_decrementer_clockevent();
}

24
arch/powerpc/lib/locks.c
View File

@ -19,11 +19,9 @@
#include <linux/smp.h>
/* waiting for a spinlock... */
#if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES)
#if defined(CONFIG_PPC_SPLPAR)
#include <asm/hvcall.h>
#include <asm/iseries/hv_call.h>
#include <asm/smp.h>
#include <asm/firmware.h>
void __spin_yield(arch_spinlock_t *lock)
{
@ -40,14 +38,8 @@ void __spin_yield(arch_spinlock_t *lock)
rmb();
if (lock->slock != lock_value)
return; /* something has changed */
if (firmware_has_feature(FW_FEATURE_ISERIES))
HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc,
((u64)holder_cpu << 32) | yield_count);
#ifdef CONFIG_PPC_SPLPAR
else
plpar_hcall_norets(H_CONFER,
get_hard_smp_processor_id(holder_cpu), yield_count);
#endif
plpar_hcall_norets(H_CONFER,
get_hard_smp_processor_id(holder_cpu), yield_count);
}
/*
@ -71,14 +63,8 @@ void __rw_yield(arch_rwlock_t *rw)
rmb();
if (rw->lock != lock_value)
return; /* something has changed */
if (firmware_has_feature(FW_FEATURE_ISERIES))
HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc,
((u64)holder_cpu << 32) | yield_count);
#ifdef CONFIG_PPC_SPLPAR
else
plpar_hcall_norets(H_CONFER,
get_hard_smp_processor_id(holder_cpu), yield_count);
#endif
plpar_hcall_norets(H_CONFER,
get_hard_smp_processor_id(holder_cpu), yield_count);
}
#endif

9
arch/powerpc/mm/hash_utils_64.c
View File

@ -56,6 +56,7 @@
#include <asm/udbg.h>
#include <asm/code-patching.h>
#include <asm/fadump.h>
#include <asm/firmware.h>
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
@ -756,12 +757,9 @@ void __init early_init_mmu(void)
*/
htab_initialize();
/* Initialize stab / SLB management except on iSeries
*/
/* Initialize stab / SLB management */
if (mmu_has_feature(MMU_FTR_SLB))
slb_initialize();
else if (!firmware_has_feature(FW_FEATURE_ISERIES))
stab_initialize(get_paca()->stab_real);
}
#ifdef CONFIG_SMP
@ -772,8 +770,7 @@ void __cpuinit early_init_mmu_secondary(void)
mtspr(SPRN_SDR1, _SDR1);
/* Initialize STAB/SLB. We use a virtual address as it works
* in real mode on pSeries and we want a virtual address on
* iSeries anyway
* in real mode on pSeries.
*/
if (mmu_has_feature(MMU_FTR_SLB))
slb_initialize();

6
arch/powerpc/mm/slb.c
View File

@ -21,7 +21,6 @@
#include <asm/cputable.h>
#include <asm/cacheflush.h>
#include <asm/smp.h>
#include <asm/firmware.h>
#include <linux/compiler.h>
#include <asm/udbg.h>
#include <asm/code-patching.h>
@ -307,11 +306,6 @@ void slb_initialize(void)
get_paca()->stab_rr = SLB_NUM_BOLTED;
/* On iSeries the bolted entries have already been set up by
* the hypervisor from the lparMap data in head.S */
if (firmware_has_feature(FW_FEATURE_ISERIES))
return;
lflags = SLB_VSID_KERNEL | linear_llp;
vflags = SLB_VSID_KERNEL | vmalloc_llp;

9
arch/powerpc/mm/stab.c
View File

@ -21,8 +21,6 @@
#include <asm/cputable.h>
#include <asm/prom.h>
#include <asm/abs_addr.h>
#include <asm/firmware.h>
#include <asm/iseries/hv_call.h>
struct stab_entry {
unsigned long esid_data;
@ -285,12 +283,5 @@ void stab_initialize(unsigned long stab)
/* Set ASR */
stabreal = get_paca()->stab_real | 0x1ul;
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES)) {
HvCall1(HvCallBaseSetASR, stabreal);
return;
}
#endif /* CONFIG_PPC_ISERIES */
mtspr(SPRN_ASR, stabreal);
}

3
arch/powerpc/oprofile/common.c
View File

@ -195,9 +195,6 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
if (!cur_cpu_spec->oprofile_cpu_type)
return -ENODEV;
if (firmware_has_feature(FW_FEATURE_ISERIES))
return -ENODEV;
switch (cur_cpu_spec->oprofile_type) {
#ifdef CONFIG_PPC_BOOK3S_64
#ifdef CONFIG_OPROFILE_CELL

1
arch/powerpc/platforms/powernv/pci.c
View File

@ -31,6 +31,7 @@
#include <asm/iommu.h>
#include <asm/tce.h>
#include <asm/abs_addr.h>
#include <asm/firmware.h>
#include "powernv.h"
#include "pci.h"

1
arch/powerpc/platforms/pseries/lpar.c
View File

@ -41,6 +41,7 @@
#include <asm/udbg.h>
#include <asm/smp.h>
#include <asm/trace.h>
#include <asm/firmware.h>
#include "plpar_wrappers.h"
#include "pseries.h"

28
arch/powerpc/xmon/xmon.c
View File

@ -39,7 +39,6 @@
#include <asm/irq_regs.h>
#include <asm/spu.h>
#include <asm/spu_priv1.h>
#include <asm/firmware.h>
#include <asm/setjmp.h>
#include <asm/reg.h>
@ -1635,25 +1634,6 @@ static void super_regs(void)
mfspr(SPRN_DEC), mfspr(SPRN_SPRG2));
printf("sp = "REG" sprg3= "REG"\n", sp, mfspr(SPRN_SPRG3));
printf("toc = "REG" dar = "REG"\n", toc, mfspr(SPRN_DAR));
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES)) {
struct paca_struct *ptrPaca;
struct lppaca *ptrLpPaca;
/* Dump out relevant Paca data areas. */
printf("Paca: \n");
ptrPaca = local_paca;
printf(" Local Processor Control Area (LpPaca): \n");
ptrLpPaca = ptrPaca->lppaca_ptr;
printf(" Saved Srr0=%.16lx Saved Srr1=%.16lx \n",
ptrLpPaca->saved_srr0, ptrLpPaca->saved_srr1);
printf(" Saved Gpr3=%.16lx Saved Gpr4=%.16lx \n",
ptrLpPaca->saved_gpr3, ptrLpPaca->saved_gpr4);
printf(" Saved Gpr5=%.16lx \n",
ptrLpPaca->gpr5_dword.saved_gpr5);
}
#endif
return;
}
@ -2856,10 +2836,6 @@ static void dump_tlb_book3e(void)
static void xmon_init(int enable)
{
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES))
return;
#endif
if (enable) {
__debugger = xmon;
__debugger_ipi = xmon_ipi;
@ -2896,10 +2872,6 @@ static struct sysrq_key_op sysrq_xmon_op = {
static int __init setup_xmon_sysrq(void)
{
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES))
return 0;
#endif
register_sysrq_key('x', &sysrq_xmon_op);
return 0;
}