select PPC_UDBG_16550
default y
+config PPC_EFIKA
+ bool "bPlan Efika 5k2. MPC5200B based computer"
+ depends on PPC_MULTIPLATFORM && PPC32
+ select PPC_RTAS
+ select RTAS_PROC
+ select PPC_MPC52xx
+ default y
+
config PPC_PMAC
bool "Apple PowerMac based machines"
depends on PPC_MULTIPLATFORM
default n
help
This option enables support for the Maple 970FX Evaluation Board.
- For more informations, refer to <http://www.970eval.com>
+ For more information, refer to <http://www.970eval.com>
config PPC_PASEMI
depends on PPC_MULTIPLATFORM && PPC64
If in doubt, say N here.
-config PPC_TODC
- depends on EMBEDDED6xx
- bool "Generic Time-of-day Clock (TODC) support"
- ---help---
- This adds support for many TODC/RTC chips.
-
endmenu
source arch/powerpc/platforms/embedded6xx/Kconfig
config ARCH_SPARSEMEM_DEFAULT
def_bool y
- depends on SMP && PPC_PSERIES
+ depends on (SMP && PPC_PSERIES) || PPC_CELL
config ARCH_POPULATES_NODE_MAP
def_bool y
def_bool y
depends on MEMORY_HOTPLUG
+ # Some NUMA nodes have memory ranges that span
+ # other nodes. Even though a pfn is valid and
+ # between a node's start and end pfns, it may not
+ # reside on that node. See memmap_init_zone()
+ # for details.
+ config NODES_SPAN_OTHER_NODES
+ def_bool y
+ depends on NEED_MULTIPLE_NODES
+
config PPC_64K_PAGES
bool "64k page size"
depends on PPC64
$(addprefix $(obj)/,$(zlib) main.o): $(addprefix $(obj)/,$(zliblinuxheader)) \
$(addprefix $(obj)/,$(zlibheader))
-src-wlib := string.S stdio.c main.c div64.S $(zlib)
+src-wlib := string.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \
+ ns16550.c serial.c simple_alloc.c div64.S util.S $(zlib)
src-plat := of.c
src-boot := crt0.S $(src-wlib) $(src-plat) empty.c
@cp $< $@
clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) \
- $(obj)/empty.c
+ empty.c zImage zImage.coff.lds zImage.lds zImage.sandpoint
quiet_cmd_bootcc = BOOTCC $@
cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
$(obj)/wrapper.a: $(obj-wlib)
$(call cmd,bootar)
-hostprogs-y := addnote addRamDisk hack-coff
+hostprogs-y := addnote addRamDisk hack-coff mktree
extra-y := $(obj)/crt0.o $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \
$(obj)/zImage.lds $(obj)/zImage.coff.lds
wrapper :=$(srctree)/$(src)/wrapper
-wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff)
+wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree)
#############
# Bits for building various flavours of zImage
quiet_cmd_wrap = WRAP $@
cmd_wrap =$(CONFIG_SHELL) $(wrapper) -c -o $@ -p $2 $(CROSSWRAP) vmlinux
quiet_cmd_wrap_initrd = WRAP $@
- cmd_wrap_initrd =$(wrapper) -c -o $@ -p $2 $(CROSSWRAP) \
+ cmd_wrap_initrd =$(CONFIG_SHELL) $(wrapper) -c -o $@ -p $2 $(CROSSWRAP) \
-i $(obj)/ramdisk.image.gz vmlinux
$(obj)/zImage.chrp: vmlinux $(wrapperbits)
CONFIG_MMIO_NVRAM=y
# CONFIG_PPC_MPC106 is not set
# CONFIG_PPC_970_NAP is not set
-# CONFIG_CPU_FREQ is not set
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+CONFIG_CPU_FREQ_DEBUG=y
+CONFIG_CPU_FREQ_STAT=y
+# CONFIG_CPU_FREQ_STAT_DETAILS is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+# CONFIG_CPU_FREQ_PMAC64 is not set
# CONFIG_WANT_EARLY_SERIAL is not set
# CONFIG_MPIC is not set
CONFIG_SPU_FS=m
CONFIG_SPU_BASE=y
CONFIG_CBE_RAS=y
+CONFIG_CBE_THERM=m
+CONFIG_CBE_CPUFREQ=m
#
# Kernel options
CONFIG_INET_TUNNEL=y
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
+ # CONFIG_INET_XFRM_MODE_BEET is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_INET6_TUNNEL=m
CONFIG_INET6_XFRM_MODE_TRANSPORT=y
CONFIG_INET6_XFRM_MODE_TUNNEL=y
+ # CONFIG_INET6_XFRM_MODE_BEET is not set
# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+ # CONFIG_IPV6_SIT is not set
CONFIG_IPV6_TUNNEL=m
# CONFIG_IPV6_SUBTREES is not set
# CONFIG_IPV6_MULTIPLE_TABLES is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
+ #
+ # Misc devices
+ #
+ # CONFIG_SGI_IOC4 is not set
+ # CONFIG_TIFM_CORE is not set
+
#
# ATA/ATAPI/MFM/RLL support
#
# TPM devices
#
# CONFIG_TCG_TPM is not set
- # CONFIG_TELCLOCK is not set
#
# I2C support
#
# Dallas's 1-wire bus
#
+ # CONFIG_W1 is not set
#
# Hardware Monitoring support
# CONFIG_HWMON is not set
# CONFIG_HWMON_VID is not set
- #
- # Misc devices
- #
-
#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
- CONFIG_VIDEO_V4L2=y
#
# Digital Video Broadcasting Devices
CONFIG_EXT3_FS_XATTR=y
# CONFIG_EXT3_FS_POSIX_ACL is not set
# CONFIG_EXT3_FS_SECURITY is not set
+ # CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_JFS_FS is not set
CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_FS is not set
+ # CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
# CONFIG_DEBUG_VM is not set
# CONFIG_DEBUG_LIST is not set
# CONFIG_FORCED_INLINING is not set
+ # CONFIG_HEADERS_CHECK is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_DEBUG_STACKOVERFLOW is not set
# CONFIG_DEBUG_STACK_USAGE is not set
obj-$(CONFIG_PPC64) += setup_64.o binfmt_elf32.o sys_ppc32.o \
signal_64.o ptrace32.o \
paca.o cpu_setup_ppc970.o \
- firmware.o sysfs.o
+ firmware.o sysfs.o nvram_64.o
obj-$(CONFIG_PPC64) += vdso64/
obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o
obj-$(CONFIG_PPC_970_NAP) += idle_power4.o
obj-$(CONFIG_IBMVIO) += vio.o
obj-$(CONFIG_IBMEBUS) += ibmebus.o
obj-$(CONFIG_GENERIC_TBSYNC) += smp-tbsync.o
-obj64-$(CONFIG_PPC_MULTIPLATFORM) += nvram_64.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
obj-$(CONFIG_TAU) += tau_6xx.o
obj32-$(CONFIG_SOFTWARE_SUSPEND) += swsusp_32.o
obj32-$(CONFIG_MODULES) += module_32.o
- obj-$(CONFIG_E500) += perfmon_fsl_booke.o
ifeq ($(CONFIG_PPC_MERGE),y)
#include <asm/oprofile_impl.h>
#include <asm/cputable.h>
+ #include <asm/prom.h> /* for PTRRELOC on ARCH=ppc */
struct cpu_spec* cur_cpu_spec = NULL;
EXPORT_SYMBOL(cur_cpu_spec);
#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC64
extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_ppc970MP(unsigned long offset, struct cpu_spec* spec);
extern void __restore_cpu_ppc970(void);
#endif /* CONFIG_PPC64 */
#define PPC_FEATURE_SPE_COMP 0
#endif
- struct cpu_spec cpu_specs[] = {
+ static struct cpu_spec cpu_specs[] = {
#ifdef CONFIG_PPC64
{ /* Power3 */
.pvr_mask = 0xffff0000,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
- .cpu_setup = __setup_cpu_ppc970,
+ .cpu_setup = __setup_cpu_ppc970MP,
.cpu_restore = __restore_cpu_ppc970,
.oprofile_cpu_type = "ppc64/970",
.oprofile_type = PPC_OPROFILE_POWER4,
.platform = "ppc970",
},
+ { /* PPC970GX */
+ .pvr_mask = 0xffff0000,
+ .pvr_value = 0x00450000,
+ .cpu_name = "PPC970GX",
+ .cpu_features = CPU_FTRS_PPC970,
+ .cpu_user_features = COMMON_USER_POWER4 |
+ PPC_FEATURE_HAS_ALTIVEC_COMP,
+ .icache_bsize = 128,
+ .dcache_bsize = 128,
+ .num_pmcs = 8,
+ .cpu_setup = __setup_cpu_ppc970,
+ .oprofile_cpu_type = "ppc64/970",
+ .oprofile_type = PPC_OPROFILE_POWER4,
+ .platform = "ppc970",
+ },
{ /* Power5 GR */
.pvr_mask = 0xffff0000,
.pvr_value = 0x003a0000,
#endif /* !CLASSIC_PPC */
#endif /* CONFIG_PPC32 */
};
+
+ struct cpu_spec *identify_cpu(unsigned long offset)
+ {
+ struct cpu_spec *s = cpu_specs;
+ struct cpu_spec **cur = &cur_cpu_spec;
+ unsigned int pvr = mfspr(SPRN_PVR);
+ int i;
+
+ s = PTRRELOC(s);
+ cur = PTRRELOC(cur);
+
+ if (*cur != NULL)
+ return PTRRELOC(*cur);
+
+ for (i = 0; i < ARRAY_SIZE(cpu_specs); i++,s++)
+ if ((pvr & s->pvr_mask) == s->pvr_value) {
+ *cur = cpu_specs + i;
+ #ifdef CONFIG_PPC64
+ /* ppc64 expects identify_cpu to also call setup_cpu
+ * for that processor. I will consolidate that at a
+ * later time, for now, just use our friend #ifdef.
+ * we also don't need to PTRRELOC the function pointer
+ * on ppc64 as we are running at 0 in real mode.
+ */
+ if (s->cpu_setup) {
+ s->cpu_setup(offset, s);
+ }
+ #endif /* CONFIG_PPC64 */
+ return s;
+ }
+ BUG();
+ return NULL;
+ }
+
+ void do_feature_fixups(unsigned long value, void *fixup_start, void *fixup_end)
+ {
+ struct fixup_entry {
+ unsigned long mask;
+ unsigned long value;
+ long start_off;
+ long end_off;
+ } *fcur, *fend;
+
+ fcur = fixup_start;
+ fend = fixup_end;
+
+ for (; fcur < fend; fcur++) {
+ unsigned int *pstart, *pend, *p;
+
+ if ((value & fcur->mask) == fcur->value)
+ continue;
+
+ /* These PTRRELOCs will disappear once the new scheme for
+ * modules and vdso is implemented
+ */
+ pstart = ((unsigned int *)fcur) + (fcur->start_off / 4);
+ pend = ((unsigned int *)fcur) + (fcur->end_off / 4);
+
+ for (p = pstart; p < pend; p++) {
+ *p = 0x60000000u;
+ asm volatile ("dcbst 0, %0" : : "r" (p));
+ }
+ asm volatile ("sync" : : : "memory");
+ for (p = pstart; p < pend; p++)
+ asm volatile ("icbi 0,%0" : : "r" (p));
+ asm volatile ("sync; isync" : : : "memory");
+ }
+ }
#include <asm/thread_info.h>
#include <asm/firmware.h>
-#ifdef CONFIG_PPC_ISERIES
#define DO_SOFT_DISABLE
-#endif
/*
* We layout physical memory as follows:
.text
.globl _stext
_stext:
-#ifdef CONFIG_PPC_MULTIPLATFORM
_GLOBAL(__start)
/* NOP this out unconditionally */
BEGIN_FTR_SECTION
b .__start_initialization_multiplatform
END_FTR_SECTION(0, 1)
-#endif /* CONFIG_PPC_MULTIPLATFORM */
/* Catch branch to 0 in real mode */
trap
std r9,_LINK(r1); \
mfctr r10; /* save CTR in stackframe */ \
std r10,_CTR(r1); \
+ lbz r10,PACASOFTIRQEN(r13); \
mfspr r11,SPRN_XER; /* save XER in stackframe */ \
+ std r10,SOFTE(r1); \
std r11,_XER(r1); \
li r9,(n)+1; \
std r9,_TRAP(r1); /* set trap number */ \
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common)
+#define MASKABLE_EXCEPTION_PSERIES(n, label) \
+ . = n; \
+ .globl label##_pSeries; \
+label##_pSeries: \
+ HMT_MEDIUM; \
+ mtspr SPRN_SPRG1,r13; /* save r13 */ \
+ mfspr r13,SPRN_SPRG3; /* get paca address into r13 */ \
+ std r9,PACA_EXGEN+EX_R9(r13); /* save r9, r10 */ \
+ std r10,PACA_EXGEN+EX_R10(r13); \
+ lbz r10,PACASOFTIRQEN(r13); \
+ mfcr r9; \
+ cmpwi r10,0; \
+ beq masked_interrupt; \
+ mfspr r10,SPRN_SPRG1; \
+ std r10,PACA_EXGEN+EX_R13(r13); \
+ std r11,PACA_EXGEN+EX_R11(r13); \
+ std r12,PACA_EXGEN+EX_R12(r13); \
+ clrrdi r12,r13,32; /* get high part of &label */ \
+ mfmsr r10; \
+ mfspr r11,SPRN_SRR0; /* save SRR0 */ \
+ LOAD_HANDLER(r12,label##_common) \
+ ori r10,r10,MSR_IR|MSR_DR|MSR_RI; \
+ mtspr SPRN_SRR0,r12; \
+ mfspr r12,SPRN_SRR1; /* and SRR1 */ \
+ mtspr SPRN_SRR1,r10; \
+ rfid; \
+ b . /* prevent speculative execution */
+
#define STD_EXCEPTION_ISERIES(n, label, area) \
.globl label##_iSeries; \
label##_iSeries: \
HMT_MEDIUM; \
mtspr SPRN_SPRG1,r13; /* save r13 */ \
EXCEPTION_PROLOG_ISERIES_1(PACA_EXGEN); \
- lbz r10,PACAPROCENABLED(r13); \
+ lbz r10,PACASOFTIRQEN(r13); \
cmpwi 0,r10,0; \
beq- label##_iSeries_masked; \
EXCEPTION_PROLOG_ISERIES_2; \
b label##_common; \
-#ifdef DO_SOFT_DISABLE
+#ifdef CONFIG_PPC_ISERIES
#define DISABLE_INTS \
-BEGIN_FW_FTR_SECTION; \
- lbz r10,PACAPROCENABLED(r13); \
li r11,0; \
- std r10,SOFTE(r1); \
+ stb r11,PACASOFTIRQEN(r13); \
+BEGIN_FW_FTR_SECTION; \
+ stb r11,PACAHARDIRQEN(r13); \
+END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES); \
+BEGIN_FW_FTR_SECTION; \
mfmsr r10; \
- stb r11,PACAPROCENABLED(r13); \
ori r10,r10,MSR_EE; \
mtmsrd r10,1; \
END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
-#define ENABLE_INTS \
-BEGIN_FW_FTR_SECTION; \
- lbz r10,PACAPROCENABLED(r13); \
- mfmsr r11; \
- std r10,SOFTE(r1); \
- ori r11,r11,MSR_EE; \
-END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES); \
-BEGIN_FW_FTR_SECTION; \
- ld r12,_MSR(r1); \
- mfmsr r11; \
- rlwimi r11,r12,0,MSR_EE; \
-END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES); \
- mtmsrd r11,1
+#else
+#define DISABLE_INTS \
+ li r11,0; \
+ stb r11,PACASOFTIRQEN(r13); \
+ stb r11,PACAHARDIRQEN(r13)
-#else /* hard enable/disable interrupts */
-#define DISABLE_INTS
+#endif /* CONFIG_PPC_ISERIES */
#define ENABLE_INTS \
ld r12,_MSR(r1); \
rlwimi r11,r12,0,MSR_EE; \
mtmsrd r11,1
-#endif
-
#define STD_EXCEPTION_COMMON(trap, label, hdlr) \
.align 7; \
.globl label##_common; \
rlwimi r13,r12,16,0x20
mfcr r12
cmpwi r13,0x2c
- beq .do_stab_bolted_pSeries
+ beq do_stab_bolted_pSeries
mtcrf 0x80,r12
mfspr r12,SPRN_SPRG2
END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
mfspr r12,SPRN_SRR1 /* and SRR1 */
b .slb_miss_realmode /* Rel. branch works in real mode */
- STD_EXCEPTION_PSERIES(0x500, hardware_interrupt)
+ MASKABLE_EXCEPTION_PSERIES(0x500, hardware_interrupt)
STD_EXCEPTION_PSERIES(0x600, alignment)
STD_EXCEPTION_PSERIES(0x700, program_check)
STD_EXCEPTION_PSERIES(0x800, fp_unavailable)
- STD_EXCEPTION_PSERIES(0x900, decrementer)
+ MASKABLE_EXCEPTION_PSERIES(0x900, decrementer)
STD_EXCEPTION_PSERIES(0xa00, trap_0a)
STD_EXCEPTION_PSERIES(0xb00, trap_0b)
/*** pSeries interrupt support ***/
/* moved from 0xf00 */
- STD_EXCEPTION_PSERIES(., performance_monitor)
+ MASKABLE_EXCEPTION_PSERIES(., performance_monitor)
+
+/*
+ * An interrupt came in while soft-disabled; clear EE in SRR1,
+ * clear paca->hard_enabled and return.
+ */
+masked_interrupt:
+ stb r10,PACAHARDIRQEN(r13)
+ mtcrf 0x80,r9
+ ld r9,PACA_EXGEN+EX_R9(r13)
+ mfspr r10,SPRN_SRR1
+ rldicl r10,r10,48,1 /* clear MSR_EE */
+ rotldi r10,r10,16
+ mtspr SPRN_SRR1,r10
+ ld r10,PACA_EXGEN+EX_R10(r13)
+ mfspr r13,SPRN_SPRG1
+ rfid
+ b .
.align 7
- _GLOBAL(do_stab_bolted_pSeries)
+ do_stab_bolted_pSeries:
mtcrf 0x80,r12
mfspr r12,SPRN_SPRG2
EXCEPTION_PROLOG_PSERIES(PACA_EXSLB, .do_stab_bolted)
* any task or sent any task a signal, you should use
* ret_from_except or ret_from_except_lite instead of this.
*/
+fast_exc_return_irq: /* restores irq state too */
+ ld r3,SOFTE(r1)
+ ld r12,_MSR(r1)
+ stb r3,PACASOFTIRQEN(r13) /* restore paca->soft_enabled */
+ rldicl r4,r12,49,63 /* get MSR_EE to LSB */
+ stb r4,PACAHARDIRQEN(r13) /* restore paca->hard_enabled */
+ b 1f
+
.globl fast_exception_return
fast_exception_return:
ld r12,_MSR(r1)
- ld r11,_NIP(r1)
+1: ld r11,_NIP(r1)
andi. r3,r12,MSR_RI /* check if RI is set */
beq- unrecov_fer
REST_8GPRS(2, r1)
mfmsr r10
- clrrdi r10,r10,2 /* clear RI (LE is 0 already) */
+ rldicl r10,r10,48,1 /* clear EE */
+ rldicr r10,r10,16,61 /* clear RI (LE is 0 already) */
mtmsrd r10,1
mtspr SPRN_SRR1,r12
li r5,0
std r4,_DAR(r1)
std r5,_DSISR(r1)
- b .handle_page_fault
+ b handle_page_fault
unrecov_user_slb:
EXCEPTION_PROLOG_COMMON(0x4200, PACA_EXGEN)
.globl fp_unavailable_common
fp_unavailable_common:
EXCEPTION_PROLOG_COMMON(0x800, PACA_EXGEN)
- bne .load_up_fpu /* if from user, just load it up */
+ bne 1f /* if from user, just load it up */
bl .save_nvgprs
addi r3,r1,STACK_FRAME_OVERHEAD
ENABLE_INTS
bl .kernel_fp_unavailable_exception
BUG_OPCODE
+ 1: b .load_up_fpu
.align 7
.globl altivec_unavailable_common
std r4,_DSISR(r1)
andis. r0,r4,0xa450 /* weird error? */
- bne- .handle_page_fault /* if not, try to insert a HPTE */
+ bne- handle_page_fault /* if not, try to insert a HPTE */
BEGIN_FTR_SECTION
andis. r0,r4,0x0020 /* Is it a segment table fault? */
- bne- .do_ste_alloc /* If so handle it */
+ bne- do_ste_alloc /* If so handle it */
END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
/*
* because ret_from_except_lite will check for and handle pending
* interrupts if necessary.
*/
- beq .ret_from_except_lite
+ beq 13f
+END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
+#endif
+BEGIN_FW_FTR_SECTION
+ /*
+ * Here we have interrupts hard-disabled, so it is sufficient
+ * to restore paca->{soft,hard}_enable and get out.
+ */
+ beq fast_exc_return_irq /* Return from exception on success */
+END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES)
+
/* For a hash failure, we don't bother re-enabling interrupts */
ble- 12f
ld r3,SOFTE(r1)
bl .local_irq_restore
b 11f
-END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
-#endif
-BEGIN_FW_FTR_SECTION
- beq fast_exception_return /* Return from exception on success */
- ble- 12f /* Failure return from hash_page */
-
- /* fall through */
-END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES)
/* Here we have a page fault that hash_page can't handle. */
- _GLOBAL(handle_page_fault)
+ handle_page_fault:
ENABLE_INTS
11: ld r4,_DAR(r1)
ld r5,_DSISR(r1)
addi r3,r1,STACK_FRAME_OVERHEAD
bl .do_page_fault
cmpdi r3,0
- beq+ .ret_from_except_lite
+ beq+ 13f
bl .save_nvgprs
mr r5,r3
addi r3,r1,STACK_FRAME_OVERHEAD
bl .bad_page_fault
b .ret_from_except
++13: b .ret_from_except_lite
++
/* We have a page fault that hash_page could handle but HV refused
* the PTE insertion
*/
bl .low_hash_fault
b .ret_from_except
-13: b .ret_from_except_lite
-
/* here we have a segment miss */
- _GLOBAL(do_ste_alloc)
+ do_ste_alloc:
bl .ste_allocate /* try to insert stab entry */
cmpdi r3,0
- beq+ fast_exception_return
- b .handle_page_fault
+ bne- handle_page_fault
+ b fast_exception_return
/*
* r13 points to the PACA, r9 contains the saved CR,
li r0,0
stdu r0,-STACK_FRAME_OVERHEAD(r1)
- LOAD_REG_IMMEDIATE(r3,cpu_specs)
- LOAD_REG_IMMEDIATE(r4,cur_cpu_spec)
- li r5,0
- bl .identify_cpu
-
LOAD_REG_IMMEDIATE(r2,__toc_start)
addi r2,r2,0x4000
addi r2,r2,0x4000
b .start_here_common
#endif /* CONFIG_PPC_ISERIES */
-#ifdef CONFIG_PPC_MULTIPLATFORM
_STATIC(__mmu_off)
mfmsr r3
*
*/
_GLOBAL(__start_initialization_multiplatform)
-#ifdef CONFIG_PPC_MULTIPLATFORM
/*
* Are we booted from a PROM Of-type client-interface ?
*/
cmpldi cr0,r5,0
bne .__boot_from_prom /* yes -> prom */
-#endif
/* Save parameters */
mr r31,r3
cmpwi r0,0x3c /* 970FX */
beq 1f
cmpwi r0,0x44 /* 970MP */
+ beq 1f
+ cmpwi r0,0x45 /* 970GX */
bne 2f
1: bl .__cpu_preinit_ppc970
2:
bl .__mmu_off
b .__after_prom_start
-#ifdef CONFIG_PPC_MULTIPLATFORM
_STATIC(__boot_from_prom)
/* Save parameters */
mr r31,r3
bl .prom_init
/* We never return */
trap
-#endif
/*
* At this point, r3 contains the physical address we are running at,
bl .copy_and_flush /* copy the rest */
b .start_here_multiplatform
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-
/*
* Copy routine used to copy the kernel to start at physical address 0
* and flush and invalidate the caches as needed.
/* enable MMU and jump to start_secondary */
LOAD_REG_ADDR(r3, .start_secondary_prolog)
LOAD_REG_IMMEDIATE(r4, MSR_KERNEL)
-#ifdef DO_SOFT_DISABLE
+#ifdef CONFIG_PPC_ISERIES
BEGIN_FW_FTR_SECTION
ori r4,r4,MSR_EE
END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
#endif
+BEGIN_FW_FTR_SECTION
+ stb r7,PACASOFTIRQEN(r13)
+ stb r7,PACAHARDIRQEN(r13)
+END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES)
+
mtspr SPRN_SRR0,r3
mtspr SPRN_SRR1,r4
rfid
isync
blr
-#ifdef CONFIG_PPC_MULTIPLATFORM
/*
* This is where the main kernel code starts.
*/
addi r2,r2,0x4000
add r2,r2,r26
- LOAD_REG_IMMEDIATE(r3, cpu_specs)
- add r3,r3,r26
- LOAD_REG_IMMEDIATE(r4,cur_cpu_spec)
- add r4,r4,r26
- mr r5,r26
- bl .identify_cpu
-
/* Do very early kernel initializations, including initial hash table,
* stab and slb setup before we turn on relocation. */
mtspr SPRN_SRR1,r4
rfid
b . /* prevent speculative execution */
-#endif /* CONFIG_PPC_MULTIPLATFORM */
/* This is where all platforms converge execution */
_STATIC(start_here_common)
li r0,0
stdu r0,-STACK_FRAME_OVERHEAD(r1)
- /* Apply the CPUs-specific fixups (nop out sections not relevant
- * to this CPU
- */
- li r3,0
- bl .do_cpu_ftr_fixups
- bl .do_fw_ftr_fixups
-
/* ptr to current */
LOAD_REG_IMMEDIATE(r4, init_task)
std r4,PACACURRENT(r13)
/* Load up the kernel context */
5:
-#ifdef DO_SOFT_DISABLE
-BEGIN_FW_FTR_SECTION
li r5,0
- stb r5,PACAPROCENABLED(r13) /* Soft Disabled */
+ stb r5,PACASOFTIRQEN(r13) /* Soft Disabled */
+#ifdef CONFIG_PPC_ISERIES
+BEGIN_FW_FTR_SECTION
mfmsr r5
ori r5,r5,MSR_EE /* Hard Enabled */
mtmsrd r5
END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
#endif
+BEGIN_FW_FTR_SECTION
+ stb r5,PACAHARDIRQEN(r13)
+END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES)
bl .start_kernel
/** Checks if the given "compat" string matches one of the strings in
* the device's "compatible" property
*/
- int device_is_compatible(struct device_node *device, const char *compat)
+ int device_is_compatible(const struct device_node *device, const char *compat)
{
const char* cp;
int cplen, l;
__initcall(prom_reconfig_setup);
#endif
- struct property *of_find_property(struct device_node *np, const char *name,
+ struct property *of_find_property(const struct device_node *np,
+ const char *name,
int *lenp)
{
struct property *pp;
* Find a property with a given name for a given node
* and return the value.
*/
- const void *get_property(struct device_node *np, const char *name, int *lenp)
+ const void *get_property(const struct device_node *np, const char *name,
+ int *lenp)
{
struct property *pp = of_find_property(np,name,lenp);
return pp ? pp->value : NULL;
}
return NULL;
}
+EXPORT_SYMBOL(of_get_cpu_node);
#ifdef DEBUG
static struct debugfs_blob_wrapper flat_dt_blob;
int have_of = 1;
-#ifdef CONFIG_PPC_MULTIPLATFORM
-dev_t boot_dev;
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-
#ifdef CONFIG_VGA_CONSOLE
unsigned long vgacon_remap_base;
#endif
unsigned long __init early_init(unsigned long dt_ptr)
{
unsigned long offset = reloc_offset();
+ struct cpu_spec *spec;
/* First zero the BSS -- use memset_io, some platforms don't have
* caches on yet */
* Identify the CPU type and fix up code sections
* that depend on which cpu we have.
*/
- identify_cpu(offset, 0);
- do_cpu_ftr_fixups(offset);
+ spec = identify_cpu(offset);
+
+ do_feature_fixups(spec->cpu_features,
+ PTRRELOC(&__start___ftr_fixup),
+ PTRRELOC(&__stop___ftr_fixup));
return KERNELBASE + offset;
}
int have_of = 1;
int boot_cpuid = 0;
-dev_t boot_dev;
u64 ppc64_pft_size;
/* Pick defaults since we might want to patch instructions
void __init early_setup(unsigned long dt_ptr)
{
+ /* Identify CPU type */
+ identify_cpu(0);
+
/* Assume we're on cpu 0 for now. Don't write to the paca yet! */
setup_paca(0);
{
struct paca_struct *lpaca = get_paca();
- /* Mark enabled in PACA */
- lpaca->proc_enabled = 0;
+ /* Mark interrupts enabled in PACA */
+ lpaca->soft_enabled = 0;
/* Initialize hash table for that CPU */
htab_initialize_secondary();
{
DBG(" -> setup_system()\n");
+ /* Apply the CPUs-specific and firmware specific fixups to kernel
+ * text (nop out sections not relevant to this CPU or this firmware)
+ */
+ do_feature_fixups(cur_cpu_spec->cpu_features,
+ &__start___ftr_fixup, &__stop___ftr_fixup);
+ do_feature_fixups(powerpc_firmware_features,
+ &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
+
/*
* Unflatten the device-tree passed by prom_init or kexec
*/
* setting up the hash table pointers. It also sets up some interrupt-mapping
* related options that will be used by finish_device_tree()
*/
- ppc_md.init_early();
+ if (ppc_md.init_early)
+ ppc_md.init_early();
/*
* We can discover serial ports now since the above did setup the
#include <asm/spu.h>
#include <asm/spu_priv1.h>
#include <asm/mmu_context.h>
+#include <asm/xmon.h>
#include "interrupt.h"
printk("%s: invalid access during switch!\n", __func__);
return 1;
}
- if (!mm || (REGION_ID(ea) != USER_REGION_ID)) {
+ esid = (ea & ESID_MASK) | SLB_ESID_V;
+
+ switch(REGION_ID(ea)) {
+ case USER_REGION_ID:
+#ifdef CONFIG_HUGETLB_PAGE
+ if (in_hugepage_area(mm->context, ea))
+ llp = mmu_psize_defs[mmu_huge_psize].sllp;
+ else
+#endif
+ llp = mmu_psize_defs[mmu_virtual_psize].sllp;
+ vsid = (get_vsid(mm->context.id, ea) << SLB_VSID_SHIFT) |
+ SLB_VSID_USER | llp;
+ break;
+ case VMALLOC_REGION_ID:
+ llp = mmu_psize_defs[mmu_virtual_psize].sllp;
+ vsid = (get_kernel_vsid(ea) << SLB_VSID_SHIFT) |
+ SLB_VSID_KERNEL | llp;
+ break;
+ case KERNEL_REGION_ID:
+ llp = mmu_psize_defs[mmu_linear_psize].sllp;
+ vsid = (get_kernel_vsid(ea) << SLB_VSID_SHIFT) |
+ SLB_VSID_KERNEL | llp;
+ break;
+ default:
/* Future: support kernel segments so that drivers
* can use SPUs.
*/
return 1;
}
- esid = (ea & ESID_MASK) | SLB_ESID_V;
-#ifdef CONFIG_HUGETLB_PAGE
- if (in_hugepage_area(mm->context, ea))
- llp = mmu_psize_defs[mmu_huge_psize].sllp;
- else
-#endif
- llp = mmu_psize_defs[mmu_virtual_psize].sllp;
- vsid = (get_vsid(mm->context.id, ea) << SLB_VSID_SHIFT) |
- SLB_VSID_USER | llp;
-
out_be64(&priv2->slb_index_W, spu->slb_replace);
out_be64(&priv2->slb_vsid_RW, vsid);
out_be64(&priv2->slb_esid_RW, esid);
}
static struct list_head spu_list[MAX_NUMNODES];
+static LIST_HEAD(spu_full_list);
static DEFINE_MUTEX(spu_mutex);
static void spu_init_channels(struct spu *spu)
if (!list_empty(&spu_list[node])) {
spu = list_entry(spu_list[node].next, struct spu, list);
list_del_init(&spu->list);
- pr_debug("Got SPU %x %d %d\n",
- spu->isrc, spu->number, spu->node);
+ pr_debug("Got SPU %d %d\n", spu->number, spu->node);
spu_init_channels(spu);
}
mutex_unlock(&spu_mutex);
/* Add the node number */
isrc |= spu->node << IIC_IRQ_NODE_SHIFT;
- spu->isrc = isrc;
/* Now map interrupts of all 3 classes */
spu->irqs[0] = irq_create_mapping(NULL, IIC_IRQ_CLASS_0 | isrc);
for (i=0; i < 3; i++) {
ret = of_irq_map_one(np, i, &oirq);
- if (ret)
+ if (ret) {
+ pr_debug("spu_new: failed to get irq %d\n", i);
goto err;
-
+ }
ret = -EINVAL;
+ pr_debug(" irq %d no 0x%x on %s\n", i, oirq.specifier[0],
+ oirq.controller->full_name);
spu->irqs[i] = irq_create_of_mapping(oirq.controller,
oirq.specifier, oirq.size);
- if (spu->irqs[i] == NO_IRQ)
+ if (spu->irqs[i] == NO_IRQ) {
+ pr_debug("spu_new: failed to map it !\n");
goto err;
+ }
}
return 0;
struct resource resource = { };
int ret;
- ret = of_address_to_resource(node, 0, &resource);
+ ret = of_address_to_resource(node, nr, &resource);
if (ret)
goto out;
ret = spu_map_resource(node, 0, (void __iomem**)&spu->local_store,
&spu->local_store_phys);
- if (ret)
+ if (ret) {
+ pr_debug("spu_new: failed to map %s resource 0\n",
+ node->full_name);
goto out;
+ }
ret = spu_map_resource(node, 1, (void __iomem**)&spu->problem,
&spu->problem_phys);
- if (ret)
+ if (ret) {
+ pr_debug("spu_new: failed to map %s resource 1\n",
+ node->full_name);
goto out_unmap;
+ }
ret = spu_map_resource(node, 2, (void __iomem**)&spu->priv2,
NULL);
- if (ret)
+ if (ret) {
+ pr_debug("spu_new: failed to map %s resource 2\n",
+ node->full_name);
goto out_unmap;
+ }
if (!firmware_has_feature(FW_FEATURE_LPAR))
ret = spu_map_resource(node, 3, (void __iomem**)&spu->priv1,
NULL);
- if (ret)
+ if (ret) {
+ pr_debug("spu_new: failed to map %s resource 3\n",
+ node->full_name);
goto out_unmap;
+ }
+ pr_debug("spu_new: %s maps:\n", node->full_name);
+ pr_debug(" local store : 0x%016lx -> 0x%p\n",
+ spu->local_store_phys, spu->local_store);
+ pr_debug(" problem state : 0x%016lx -> 0x%p\n",
+ spu->problem_phys, spu->problem);
+ pr_debug(" priv2 : 0x%p\n", spu->priv2);
+ pr_debug(" priv1 : 0x%p\n", spu->priv1);
+
return 0;
out_unmap:
set_kset_name("spu")
};
-static ssize_t spu_show_isrc(struct sys_device *sysdev, char *buf)
+int spu_add_sysdev_attr(struct sysdev_attribute *attr)
{
- struct spu *spu = container_of(sysdev, struct spu, sysdev);
- return sprintf(buf, "%d\n", spu->isrc);
+ struct spu *spu;
+ mutex_lock(&spu_mutex);
+
+ list_for_each_entry(spu, &spu_full_list, full_list)
+ sysdev_create_file(&spu->sysdev, attr);
+ mutex_unlock(&spu_mutex);
+ return 0;
}
-static SYSDEV_ATTR(isrc, 0400, spu_show_isrc, NULL);
+EXPORT_SYMBOL_GPL(spu_add_sysdev_attr);
+
+int spu_add_sysdev_attr_group(struct attribute_group *attrs)
+{
+ struct spu *spu;
+ mutex_lock(&spu_mutex);
-extern int attach_sysdev_to_node(struct sys_device *dev, int nid);
+ list_for_each_entry(spu, &spu_full_list, full_list)
+ sysfs_create_group(&spu->sysdev.kobj, attrs);
+
+ mutex_unlock(&spu_mutex);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(spu_add_sysdev_attr_group);
+
+
+void spu_remove_sysdev_attr(struct sysdev_attribute *attr)
+{
+ struct spu *spu;
+ mutex_lock(&spu_mutex);
+
+ list_for_each_entry(spu, &spu_full_list, full_list)
+ sysdev_remove_file(&spu->sysdev, attr);
+
+ mutex_unlock(&spu_mutex);
+}
+EXPORT_SYMBOL_GPL(spu_remove_sysdev_attr);
+
+void spu_remove_sysdev_attr_group(struct attribute_group *attrs)
+{
+ struct spu *spu;
+ mutex_lock(&spu_mutex);
+
+ list_for_each_entry(spu, &spu_full_list, full_list)
+ sysfs_remove_group(&spu->sysdev.kobj, attrs);
+
+ mutex_unlock(&spu_mutex);
+}
+EXPORT_SYMBOL_GPL(spu_remove_sysdev_attr_group);
static int spu_create_sysdev(struct spu *spu)
{
return ret;
}
- if (spu->isrc != 0)
- sysdev_create_file(&spu->sysdev, &attr_isrc);
sysfs_add_device_to_node(&spu->sysdev, spu->nid);
return 0;
static void spu_destroy_sysdev(struct spu *spu)
{
- sysdev_remove_file(&spu->sysdev, &attr_isrc);
sysfs_remove_device_from_node(&spu->sysdev, spu->nid);
sysdev_unregister(&spu->sysdev);
}
if (ret)
goto out_unmap;
spin_lock_init(&spu->register_lock);
- spu_mfc_sdr_set(spu, mfspr(SPRN_SDR1));
+ spu_mfc_sdr_setup(spu);
spu_mfc_sr1_set(spu, 0x33);
mutex_lock(&spu_mutex);
goto out_free_irqs;
list_add(&spu->list, &spu_list[spu->node]);
+ list_add(&spu->full_list, &spu_full_list);
+ spu->devnode = of_node_get(spe);
+
mutex_unlock(&spu_mutex);
- pr_debug(KERN_DEBUG "Using SPE %s %02x %p %p %p %p %d\n",
- spu->name, spu->isrc, spu->local_store,
+ pr_debug(KERN_DEBUG "Using SPE %s %p %p %p %p %d\n",
+ spu->name, spu->local_store,
spu->problem, spu->priv1, spu->priv2, spu->number);
goto out;
static void destroy_spu(struct spu *spu)
{
list_del_init(&spu->list);
+ list_del_init(&spu->full_list);
+
+ of_node_put(spu->devnode);
spu_destroy_sysdev(spu);
spu_free_irqs(spu);
break;
}
}
+
+ xmon_register_spus(&spu_full_list);
+
return ret;
}
module_init(init_spu_base);
udata = (void __user *)buf;
spu_acquire(ctx);
- for (count = 0; count <= len; count += 4, udata++) {
+ for (count = 0; (count + 4) <= len; count += 4, udata++) {
int ret;
ret = ctx->ops->mbox_read(ctx, &mbox_data);
if (ret == 0)
.mmap = spufs_mfc_mmap,
};
+
+static int spufs_recycle_open(struct inode *inode, struct file *file)
+{
+ file->private_data = SPUFS_I(inode)->i_ctx;
+ return nonseekable_open(inode, file);
+}
+
+static ssize_t spufs_recycle_write(struct file *file,
+ const char __user *buffer, size_t size, loff_t *pos)
+{
+ struct spu_context *ctx = file->private_data;
+ int ret;
+
+ if (!(ctx->flags & SPU_CREATE_ISOLATE))
+ return -EINVAL;
+
+ if (size < 1)
+ return -EINVAL;
+
+ ret = spu_recycle_isolated(ctx);
+
+ if (ret)
+ return ret;
+ return size;
+}
+
+static struct file_operations spufs_recycle_fops = {
+ .open = spufs_recycle_open,
+ .write = spufs_recycle_write,
+};
+
static void spufs_npc_set(void *data, u64 val)
{
struct spu_context *ctx = data;
{ "object-id", &spufs_object_id_ops, 0666, },
{},
};
+
+struct tree_descr spufs_dir_nosched_contents[] = {
+ { "mem", &spufs_mem_fops, 0666, },
+ { "mbox", &spufs_mbox_fops, 0444, },
+ { "ibox", &spufs_ibox_fops, 0444, },
+ { "wbox", &spufs_wbox_fops, 0222, },
+ { "mbox_stat", &spufs_mbox_stat_fops, 0444, },
+ { "ibox_stat", &spufs_ibox_stat_fops, 0444, },
+ { "wbox_stat", &spufs_wbox_stat_fops, 0444, },
+ { "signal1", &spufs_signal1_fops, 0666, },
+ { "signal2", &spufs_signal2_fops, 0666, },
+ { "signal1_type", &spufs_signal1_type, 0666, },
+ { "signal2_type", &spufs_signal2_type, 0666, },
+ { "mss", &spufs_mss_fops, 0666, },
+ { "mfc", &spufs_mfc_fops, 0666, },
+ { "cntl", &spufs_cntl_fops, 0666, },
+ { "npc", &spufs_npc_ops, 0666, },
+ { "psmap", &spufs_psmap_fops, 0666, },
+ { "phys-id", &spufs_id_ops, 0666, },
+ { "object-id", &spufs_object_id_ops, 0666, },
+ { "recycle", &spufs_recycle_fops, 0222, },
+ {},
+};
static u32 spu_hw_signal2_read(struct spu_context *ctx)
{
- return in_be32(&ctx->spu->problem->signal_notify1);
+ return in_be32(&ctx->spu->problem->signal_notify2);
}
static void spu_hw_signal2_write(struct spu_context *ctx, u32 data)
static void spu_hw_runcntl_write(struct spu_context *ctx, u32 val)
{
- eieio();
+ spin_lock_irq(&ctx->spu->register_lock);
+ if (val & SPU_RUNCNTL_ISOLATE)
+ out_be64(&ctx->spu->priv2->spu_privcntl_RW, 4LL);
out_be32(&ctx->spu->problem->spu_runcntl_RW, val);
+ spin_unlock_irq(&ctx->spu->register_lock);
}
static void spu_hw_runcntl_stop(struct spu_context *ctx)
#include <linux/smp.h>
#include <linux/param.h>
#include <linux/string.h>
-#include <linux/initrd.h>
#include <linux/seq_file.h>
#include <linux/kdev_t.h>
#include <linux/major.h>
static void iSeries_pci_final_fixup(void) { }
#endif
-extern int rd_size; /* Defined in drivers/block/rd.c */
-
extern unsigned long iSeries_recal_tb;
extern unsigned long iSeries_recal_titan;
{
DBG(" -> iSeries_init_early()\n");
-#if defined(CONFIG_BLK_DEV_INITRD)
- /*
- * If the init RAM disk has been configured and there is
- * a non-zero starting address for it, set it up
- */
- if (naca.xRamDisk) {
- initrd_start = (unsigned long)__va(naca.xRamDisk);
- initrd_end = initrd_start + naca.xRamDiskSize * HW_PAGE_SIZE;
- initrd_below_start_ok = 1; // ramdisk in kernel space
- ROOT_DEV = Root_RAM0;
- if (((rd_size * 1024) / HW_PAGE_SIZE) < naca.xRamDiskSize)
- rd_size = (naca.xRamDiskSize * HW_PAGE_SIZE) / 1024;
- } else
-#endif /* CONFIG_BLK_DEV_INITRD */
- {
- /* ROOT_DEV = MKDEV(VIODASD_MAJOR, 1); */
- }
-
iSeries_recal_tb = get_tb();
iSeries_recal_titan = HvCallXm_loadTod();
mf_init();
- /* If we were passed an initrd, set the ROOT_DEV properly if the values
- * look sensible. If not, clear initrd reference.
- */
-#ifdef CONFIG_BLK_DEV_INITRD
- if (initrd_start >= KERNELBASE && initrd_end >= KERNELBASE &&
- initrd_end > initrd_start)
- ROOT_DEV = Root_RAM0;
- else
- initrd_start = initrd_end = 0;
-#endif /* CONFIG_BLK_DEV_INITRD */
-
DBG(" <- iSeries_init_early()\n");
}
{
unsigned long phys_mem_size;
+ /* Identify CPU type. This is done again by the common code later
+ * on but calling this function multiple times is fine.
+ */
+ identify_cpu(0);
+
powerpc_firmware_features |= FW_FEATURE_ISERIES;
powerpc_firmware_features |= FW_FEATURE_LPAR;
mcn_shift = QE_CR_MCN_NORMAL_SHIFT;
}
- out_be32(&qe_immr->cp.cecdr,
- immrbar_virt_to_phys((void *)cmd_input));
+ out_be32(&qe_immr->cp.cecdr, cmd_input);
out_be32(&qe_immr->cp.cecr,
(cmd | QE_CR_FLG | ((u32) device << dev_shift) | (u32)
mcn_protocol << mcn_shift));
u32 divisor, tempval;
int div16 = 0;
- bp = &qe_immr->brg.brgc1;
- bp += brg;
+ bp = &qe_immr->brg.brgc[brg];
divisor = (get_brg_clk() / rate);
if (divisor > QE_BRGC_DIVISOR_MAX + 1) {
#define _ASM_IOMMU_H
#ifdef __KERNEL__
- #include <asm/types.h>
+ #include <linux/compiler.h>
#include <linux/spinlock.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
+ #include <asm/types.h>
+ #include <asm/bitops.h>
+
+ #define IOMMU_PAGE_SHIFT 12
+ #define IOMMU_PAGE_SIZE (ASM_CONST(1) << IOMMU_PAGE_SHIFT)
+ #define IOMMU_PAGE_MASK (~((1 << IOMMU_PAGE_SHIFT) - 1))
+ #define IOMMU_PAGE_ALIGN(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE)
+
+ #ifndef __ASSEMBLY__
+
+ /* Pure 2^n version of get_order */
+ static __inline__ __attribute_const__ int get_iommu_order(unsigned long size)
+ {
+ return __ilog2((size - 1) >> IOMMU_PAGE_SHIFT) + 1;
+ }
+
+ #endif /* __ASSEMBLY__ */
+
/*
* IOMAP_MAX_ORDER defines the largest contiguous block
* of dma space we can get. IOMAP_MAX_ORDER = 13
* allows up to 2**12 pages (4096 * 4096) = 16 MB
*/
- #define IOMAP_MAX_ORDER 13
+ #define IOMAP_MAX_ORDER 13
struct iommu_table {
unsigned long it_busno; /* Bus number this table belongs to */
struct scatterlist;
struct device_node;
-#ifdef CONFIG_PPC_MULTIPLATFORM
-
-/* Walks all buses and creates iommu tables */
-extern void iommu_setup_pSeries(void);
-extern void iommu_setup_dart(void);
-
/* Frees table for an individual device node */
extern void iommu_free_table(struct device_node *dn);
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-
/* Initializes an iommu_table based in values set in the passed-in
* structure
*/
}
#ifdef CONFIG_PPC64
- #define HAVE_ARCH_PCI_MWI 1
- static inline int pcibios_prep_mwi(struct pci_dev *dev)
- {
- /*
- * We would like to avoid touching the cacheline size or MWI bit
- * but we cant do that with the current pcibios_prep_mwi
- * interface. pSeries firmware sets the cacheline size (which is not
- * the cpu cacheline size in all cases) and hardware treats MWI
- * the same as memory write. So we dont touch the cacheline size
- * here and allow the generic code to set the MWI bit.
- */
- return 0;
- }
+
+ /*
+ * We want to avoid touching the cacheline size or MWI bit.
+ * pSeries firmware sets the cacheline size (which is not the cpu cacheline
+ * size in all cases) and hardware treats MWI the same as memory write.
+ */
+ #define PCI_DISABLE_MWI
extern struct dma_mapping_ops pci_dma_ops;
unsigned long size,
pgprot_t prot);
-#if defined(CONFIG_PPC_MULTIPLATFORM) || defined(CONFIG_PPC32)
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc,
resource_size_t *start, resource_size_t *end);
-#endif /* CONFIG_PPC_MULTIPLATFORM || CONFIG_PPC32 */
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_PCI_H */
*/
#include <linux/types.h>
#include <linux/proc_fs.h>
+#include <linux/platform_device.h>
#include <asm/atomic.h>
/* Definitions used by the flattened device tree */
extern struct device_node *of_get_parent(const struct device_node *node);
extern struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev);
- extern struct property *of_find_property(struct device_node *np,
+ extern struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp);
extern struct device_node *of_node_get(struct device_node *node);
extern void finish_device_tree(void);
extern void unflatten_device_tree(void);
extern void early_init_devtree(void *);
- extern int device_is_compatible(struct device_node *device, const char *);
+ extern int device_is_compatible(const struct device_node *device,
+ const char *);
extern int machine_is_compatible(const char *compat);
- extern const void *get_property(struct device_node *node, const char *name,
- int *lenp);
+ extern const void *get_property(const struct device_node *node,
+ const char *name,
+ int *lenp);
extern void print_properties(struct device_node *node);
extern int prom_n_addr_cells(struct device_node* np);
extern int prom_n_size_cells(struct device_node* np);
struct pci_dev;
extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
+static inline int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
+{
+ int irq = irq_of_parse_and_map(dev, index);
+
+ /* Only dereference the resource if both the
+ * resource and the irq are valid. */
+ if (r && irq != NO_IRQ) {
+ r->start = r->end = irq;
+ r->flags = IORESOURCE_IRQ;
+ }
+
+ return irq;
+}
+
#endif /* __KERNEL__ */
#endif /* _POWERPC_PROM_H */
git.openpandora.org / pandora-kernel.git / commitdiff