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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_MMU_44X_H_
#define _ASM_POWERPC_MMU_44X_H_
/*
 * PPC440 support
 */

#include <asm/page.h>

#define PPC44x_MMUCR_TID	0x000000ff
#define PPC44x_MMUCR_STS	0x00010000

#define	PPC44x_TLB_PAGEID	0
#define	PPC44x_TLB_XLAT		1
#define	PPC44x_TLB_ATTRIB	2

/* Page identification fields */
#define PPC44x_TLB_EPN_MASK	0xfffffc00      /* Effective Page Number */
#define	PPC44x_TLB_VALID	0x00000200      /* Valid flag */
#define PPC44x_TLB_TS		0x00000100	/* Translation address space */
#define PPC44x_TLB_1K		0x00000000	/* Page sizes */
#define PPC44x_TLB_4K		0x00000010
#define PPC44x_TLB_16K		0x00000020
#define PPC44x_TLB_64K		0x00000030
#define PPC44x_TLB_256K		0x00000040
#define PPC44x_TLB_1M		0x00000050
#define PPC44x_TLB_16M		0x00000070
#define	PPC44x_TLB_256M		0x00000090

/* Translation fields */
#define PPC44x_TLB_RPN_MASK	0xfffffc00      /* Real Page Number */
#define	PPC44x_TLB_ERPN_MASK	0x0000000f

/* Storage attribute and access control fields */
#define PPC44x_TLB_ATTR_MASK	0x0000ff80
#define PPC44x_TLB_U0		0x00008000      /* User 0 */
#define PPC44x_TLB_U1		0x00004000      /* User 1 */
#define PPC44x_TLB_U2		0x00002000      /* User 2 */
#define PPC44x_TLB_U3		0x00001000      /* User 3 */
#define PPC44x_TLB_W		0x00000800      /* Caching is write-through */
#define PPC44x_TLB_I		0x00000400      /* Caching is inhibited */
#define PPC44x_TLB_M		0x00000200      /* Memory is coherent */
#define PPC44x_TLB_G		0x00000100      /* Memory is guarded */
#define PPC44x_TLB_E		0x00000080      /* Memory is little endian */

#define PPC44x_TLB_PERM_MASK	0x0000003f
#define PPC44x_TLB_UX		0x00000020      /* User execution */
#define PPC44x_TLB_UW		0x00000010      /* User write */
#define PPC44x_TLB_UR		0x00000008      /* User read */
#define PPC44x_TLB_SX		0x00000004      /* Super execution */
#define PPC44x_TLB_SW		0x00000002      /* Super write */
#define PPC44x_TLB_SR		0x00000001      /* Super read */

/* Number of TLB entries */
#define PPC44x_TLB_SIZE		64

/* 47x bits */
#define PPC47x_MMUCR_TID	0x0000ffff
#define PPC47x_MMUCR_STS	0x00010000

/* Page identification fields */
#define PPC47x_TLB0_EPN_MASK	0xfffff000      /* Effective Page Number */
#define PPC47x_TLB0_VALID	0x00000800      /* Valid flag */
#define PPC47x_TLB0_TS		0x00000400	/* Translation address space */
#define PPC47x_TLB0_4K		0x00000000
#define PPC47x_TLB0_16K		0x00000010
#define PPC47x_TLB0_64K		0x00000030
#define PPC47x_TLB0_1M		0x00000070
#define PPC47x_TLB0_16M		0x000000f0
#define PPC47x_TLB0_256M	0x000001f0
#define PPC47x_TLB0_1G		0x000003f0
#define PPC47x_TLB0_BOLTED_R	0x00000008	/* tlbre only */

/* Translation fields */
#define PPC47x_TLB1_RPN_MASK	0xfffff000      /* Real Page Number */
#define PPC47x_TLB1_ERPN_MASK	0x000003ff

/* Storage attribute and access control fields */
#define PPC47x_TLB2_ATTR_MASK	0x0003ff80
#define PPC47x_TLB2_IL1I	0x00020000      /* Memory is guarded */
#define PPC47x_TLB2_IL1D	0x00010000      /* Memory is guarded */
#define PPC47x_TLB2_U0		0x00008000      /* User 0 */
#define PPC47x_TLB2_U1		0x00004000      /* User 1 */
#define PPC47x_TLB2_U2		0x00002000      /* User 2 */
#define PPC47x_TLB2_U3		0x00001000      /* User 3 */
#define PPC47x_TLB2_W		0x00000800      /* Caching is write-through */
#define PPC47x_TLB2_I		0x00000400      /* Caching is inhibited */
#define PPC47x_TLB2_M		0x00000200      /* Memory is coherent */
#define PPC47x_TLB2_G		0x00000100      /* Memory is guarded */
#define PPC47x_TLB2_E		0x00000080      /* Memory is little endian */
#define PPC47x_TLB2_PERM_MASK	0x0000003f
#define PPC47x_TLB2_UX		0x00000020      /* User execution */
#define PPC47x_TLB2_UW		0x00000010      /* User write */
#define PPC47x_TLB2_UR		0x00000008      /* User read */
#define PPC47x_TLB2_SX		0x00000004      /* Super execution */
#define PPC47x_TLB2_SW		0x00000002      /* Super write */
#define PPC47x_TLB2_SR		0x00000001      /* Super read */
#define PPC47x_TLB2_U_RWX	(PPC47x_TLB2_UX|PPC47x_TLB2_UW|PPC47x_TLB2_UR)
#define PPC47x_TLB2_S_RWX	(PPC47x_TLB2_SX|PPC47x_TLB2_SW|PPC47x_TLB2_SR)
#define PPC47x_TLB2_S_RW	(PPC47x_TLB2_SW | PPC47x_TLB2_SR)
#define PPC47x_TLB2_IMG		(PPC47x_TLB2_I | PPC47x_TLB2_M | PPC47x_TLB2_G)

#ifndef __ASSEMBLY__

extern unsigned int tlb_44x_hwater;
extern unsigned int tlb_44x_index;

typedef struct {
	unsigned int	id;
	unsigned int	active;
	unsigned long	vdso_base;
} mm_context_t;

#endif /* !__ASSEMBLY__ */

#ifndef CONFIG_PPC_EARLY_DEBUG_44x
#define PPC44x_EARLY_TLBS	1
#else
#define PPC44x_EARLY_TLBS	2
#define PPC44x_EARLY_DEBUG_VIRTADDR	(ASM_CONST(0xf0000000) \
	| (ASM_CONST(CONFIG_PPC_EARLY_DEBUG_44x_PHYSLOW) & 0xffff))
#endif

/* Size of the TLBs used for pinning in lowmem */
#define PPC_PIN_SIZE	(1 << 28)	/* 256M */

#if (PAGE_SHIFT == 12)
#define PPC44x_TLBE_SIZE	PPC44x_TLB_4K
#define PPC47x_TLBE_SIZE	PPC47x_TLB0_4K
#define mmu_virtual_psize	MMU_PAGE_4K
#elif (PAGE_SHIFT == 14)
#define PPC44x_TLBE_SIZE	PPC44x_TLB_16K
#define PPC47x_TLBE_SIZE	PPC47x_TLB0_16K
#define mmu_virtual_psize	MMU_PAGE_16K
#elif (PAGE_SHIFT == 16)
#define PPC44x_TLBE_SIZE	PPC44x_TLB_64K
#define PPC47x_TLBE_SIZE	PPC47x_TLB0_64K
#define mmu_virtual_psize	MMU_PAGE_64K
#elif (PAGE_SHIFT == 18)
#define PPC44x_TLBE_SIZE	PPC44x_TLB_256K
#define mmu_virtual_psize	MMU_PAGE_256K
#else
#error "Unsupported PAGE_SIZE"
#endif

#define mmu_linear_psize	MMU_PAGE_256M

#define PPC44x_PGD_OFF_SHIFT	(32 - PGDIR_SHIFT + PGD_T_LOG2)
#define PPC44x_PGD_OFF_MASK_BIT	(PGDIR_SHIFT - PGD_T_LOG2)
#define PPC44x_PTE_ADD_SHIFT	(32 - PGDIR_SHIFT + PTE_SHIFT + PTE_T_LOG2)
#define PPC44x_PTE_ADD_MASK_BIT	(32 - PTE_T_LOG2 - PTE_SHIFT)

#endif /* _ASM_POWERPC_MMU_44X_H_ */

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Name Type Size Permission Actions
book3s Folder 0755
nohash Folder 0755
8xx_immap.h File 13.77 KB 0644
Kbuild File 248 B 0644
accounting.h File 1 KB 0644
agp.h File 525 B 0644
archrandom.h File 1016 B 0644
asm-compat.h File 2.53 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 4.78 KB 0644
async_tx.h File 1.64 KB 0644
atomic.h File 13.57 KB 0644
backlight.h File 1.09 KB 0644
barrier.h File 3.57 KB 0644
bitops.h File 7.8 KB 0644
bootx.h File 1.12 KB 0644
btext.h File 926 B 0644
bug.h File 3.55 KB 0644
bugs.h File 486 B 0644
cache.h File 2.47 KB 0644
cacheflush.h File 3.76 KB 0644
cell-pmu.h File 4.04 KB 0644
cell-regs.h File 9.57 KB 0644
checksum.h File 5.85 KB 0644
cmpxchg.h File 12.16 KB 0644
code-patching-asm.h File 397 B 0644
code-patching.h File 5.01 KB 0644
compat.h File 6.26 KB 0644
context_tracking.h File 245 B 0644
copro.h File 769 B 0644
cpm.h File 5.09 KB 0644
cpm1.h File 21.08 KB 0644
cpm2.h File 48.43 KB 0644
cpu_has_feature.h File 1.31 KB 0644
cpufeature.h File 1.18 KB 0644
cpuidle.h File 3.31 KB 0644
cputable.h File 22.56 KB 0644
cputhreads.h File 2.92 KB 0644
cputime.h File 1.59 KB 0644
current.h File 835 B 0644
dbdma.h File 3.72 KB 0644
dbell.h File 2.78 KB 0644
dcr-generic.h File 1.58 KB 0644
dcr-mmio.h File 1.68 KB 0644
dcr-native.h File 4.42 KB 0644
dcr-regs.h File 5.71 KB 0644
dcr.h File 2.73 KB 0644
debug.h File 1.97 KB 0644
debugfs.h File 489 B 0644
delay.h File 3.42 KB 0644
device.h File 1.1 KB 0644
disassemble.h File 2.73 KB 0644
dma-mapping.h File 4.12 KB 0644
dma.h File 10.51 KB 0644
dt_cpu_ftrs.h File 816 B 0644
edac.h File 1.08 KB 0644
eeh.h File 14.44 KB 0644
eeh_event.h File 1.36 KB 0644
ehv_pic.h File 963 B 0644
elf.h File 6.29 KB 0644
emergency-restart.h File 43 B 0644
emulated_ops.h File 2.58 KB 0644
epapr_hcalls.h File 16.44 KB 0644
exception-64e.h File 7.21 KB 0644
exception-64s.h File 22.72 KB 0644
exec.h File 246 B 0644
extable.h File 904 B 0644
fadump.h File 6.1 KB 0644
fb.h File 483 B 0644
feature-fixups.h File 8.76 KB 0644
firmware.h File 4.71 KB 0644
fixmap.h File 2.33 KB 0644
floppy.h File 4.86 KB 0644
fs_pd.h File 1.02 KB 0644
fsl_85xx_cache_sram.h File 1.43 KB 0644
fsl_gtm.h File 1.38 KB 0644
fsl_hcalls.h File 17.2 KB 0644
fsl_lbc.h File 10.9 KB 0644
fsl_pamu_stash.h File 1.1 KB 0644
fsl_pm.h File 1.36 KB 0644
ftrace.h File 2.1 KB 0644
futex.h File 2.4 KB 0644
grackle.h File 331 B 0644
hardirq.h File 1.15 KB 0644
head-64.h File 13.86 KB 0644
heathrow.h File 2.53 KB 0644
highmem.h File 2.41 KB 0644
hmi.h File 1.49 KB 0644
hugetlb.h File 4.73 KB 0644
hvcall.h File 15.35 KB 0644
hvconsole.h File 1.37 KB 0644
hvcserver.h File 2.09 KB 0644
hvsi.h File 2.78 KB 0644
hw_breakpoint.h File 3.07 KB 0644
hw_irq.h File 5.24 KB 0644
hydra.h File 2.91 KB 0644
i8259.h File 361 B 0644
ibmebus.h File 2.15 KB 0644
icswx.h File 4.71 KB 0644
ide.h File 586 B 0644
ima.h File 772 B 0644
imc-pmu.h File 2.87 KB 0644
immap_cpm2.h File 10.5 KB 0644
io-defs.h File 3.09 KB 0644
io-workarounds.h File 1.54 KB 0644
io.h File 28.02 KB 0644
io_event_irq.h File 1.91 KB 0644
iommu.h File 10.16 KB 0644
ipic.h File 3.51 KB 0644
irq.h File 1.83 KB 0644
irq_work.h File 252 B 0644
irqflags.h File 1.7 KB 0644
isa-bridge.h File 654 B 0644
jump_label.h File 1.62 KB 0644
kdebug.h File 291 B 0644
kdump.h File 1.37 KB 0644
kexec.h File 4.02 KB 0644
keylargo.h File 10.8 KB 0644
kgdb.h File 2.06 KB 0644
kmap_types.h File 434 B 0644
kprobes.h File 3.75 KB 0644
kup.h File 1021 B 0644
kvm_asm.h File 5.46 KB 0644
kvm_book3s.h File 12.06 KB 0644
kvm_book3s_32.h File 1.39 KB 0644
kvm_book3s_64.h File 12.62 KB 0644
kvm_book3s_asm.h File 4.4 KB 0644
kvm_booke.h File 2.68 KB 0644
kvm_booke_hv_asm.h File 2.03 KB 0644
kvm_fpu.h File 2.74 KB 0644
kvm_host.h File 19.92 KB 0644
kvm_para.h File 1.49 KB 0644
kvm_ppc.h File 34.83 KB 0644
libata-portmap.h File 249 B 0644
linkage.h File 501 B 0644
livepatch.h File 1.65 KB 0644
local.h File 3.79 KB 0644
lppaca.h File 5.02 KB 0644
lv1call.h File 18.74 KB 0644
machdep.h File 9.7 KB 0644
macio.h File 3.89 KB 0644
mc146818rtc.h File 943 B 0644
mce.h File 5.58 KB 0644
mediabay.h File 1.34 KB 0644
mm-arch-hooks.h File 839 B 0644
mman.h File 1.33 KB 0644
mmu-40x.h File 1.94 KB 0644
mmu-44x.h File 5.56 KB 0644
mmu-8xx.h File 8.6 KB 0644
mmu-book3e.h File 9.47 KB 0644
mmu.h File 9.2 KB 0644
mmu_context.h File 6.26 KB 0644
mmzone.h File 1.08 KB 0644
module.h File 2.47 KB 0644
mpc5121.h File 3.82 KB 0644
mpc52xx.h File 10.85 KB 0644
mpc52xx_psc.h File 9.89 KB 0644
mpc5xxx.h File 641 B 0644
mpc6xx.h File 143 B 0644
mpc8260.h File 742 B 0644
mpc85xx.h File 2.52 KB 0644
mpic.h File 13.97 KB 0644
mpic_msgr.h File 3.52 KB 0644
mpic_timer.h File 1.39 KB 0644
msi_bitmap.h File 1.01 KB 0644
nmi.h File 238 B 0644
nvram.h File 3.21 KB 0644
ohare.h File 1.64 KB 0644
opal-api.h File 29.34 KB 0644
opal.h File 16.53 KB 0644
oprofile_impl.h File 3 KB 0644
paca.h File 8.06 KB 0644
page.h File 10.65 KB 0644
page_32.h File 1.57 KB 0644
page_64.h File 2.93 KB 0644
parport.h File 956 B 0644
pasemi_dma.h File 23.32 KB 0644
pci-bridge.h File 9.21 KB 0644
pci.h File 4.58 KB 0644
percpu.h File 468 B 0644
perf_event.h File 1.23 KB 0644
perf_event_fsl_emb.h File 1.42 KB 0644
perf_event_server.h File 6.3 KB 0644
pgalloc.h File 620 B 0644
pgtable-be-types.h File 2.76 KB 0644
pgtable-types.h File 1.94 KB 0644
pgtable.h File 2.45 KB 0644
plpar_wrappers.h File 8.35 KB 0644
pmac_feature.h File 13.08 KB 0644
pmac_low_i2c.h File 3.24 KB 0644
pmac_pfunc.h File 8.01 KB 0644
pmc.h File 1.35 KB 0644
pmi.h File 1.77 KB 0644
pnv-ocxl.h File 1.4 KB 0644
pnv-pci.h File 3.22 KB 0644
powernv.h File 1.57 KB 0644
ppc-opcode.h File 19.05 KB 0644
ppc-pci.h File 2.69 KB 0644
ppc4xx.h File 530 B 0644
ppc4xx_ocm.h File 1.41 KB 0644
ppc_asm.h File 21.63 KB 0644
probes.h File 2.11 KB 0644
processor.h File 15 KB 0644
prom.h File 7.17 KB 0644
ps3.h File 15.44 KB 0644
ps3av.h File 23.49 KB 0644
ps3gpu.h File 2.44 KB 0644
ps3stor.h File 1.99 KB 0644
pte-common.h File 6.27 KB 0644
pte-walk.h File 1.11 KB 0644
ptrace.h File 7.14 KB 0644
reg.h File 61.61 KB 0644
reg_8xx.h File 4.96 KB 0644
reg_a2.h File 6.16 KB 0644
reg_booke.h File 36.17 KB 0644
reg_fsl_emb.h File 3.65 KB 0644
rheap.h File 2.43 KB 0644
rio.h File 637 B 0644
rtas.h File 14.67 KB 0644
runlatch.h File 1.16 KB 0644
scom.h File 4.92 KB 0644
seccomp.h File 249 B 0644
sections.h File 1.9 KB 0644
security_features.h File 3.03 KB 0644
serial.h File 677 B 0644
setjmp.h File 630 B 0644
setup.h File 2.44 KB 0644
sfp-machine.h File 12.38 KB 0644
shmparam.h File 206 B 0644
signal.h File 225 B 0644
slice.h File 1.12 KB 0644
smp.h File 6.13 KB 0644
smu.h File 19.33 KB 0644
sparsemem.h File 1.1 KB 0644
spinlock.h File 7.04 KB 0644
spinlock_types.h File 424 B 0644
spu.h File 25.28 KB 0644
spu_csa.h File 6.64 KB 0644
spu_info.h File 908 B 0644
spu_priv1.h File 5.68 KB 0644
sstep.h File 4.58 KB 0644
string.h File 1.74 KB 0644
swab.h File 377 B 0644
swiotlb.h File 810 B 0644
switch_to.h File 2.66 KB 0644
synch.h File 1.36 KB 0644
syscall.h File 2.8 KB 0644
syscalls.h File 684 B 0644
systbl.h File 9.28 KB 0644
tce.h File 1.72 KB 0644
termios.h File 860 B 0644
thread_info.h File 5.31 KB 0644
time.h File 4.82 KB 0644
timex.h File 967 B 0644
tlb.h File 2.47 KB 0644
tlbflush.h File 2.93 KB 0644
tm.h File 690 B 0644
topology.h File 2.92 KB 0644
trace.h File 4.17 KB 0644
trace_clock.h File 517 B 0644
tsi108.h File 3.39 KB 0644
tsi108_irq.h File 4.48 KB 0644
tsi108_pci.h File 1.82 KB 0644
types.h File 1 KB 0644
uaccess.h File 13.21 KB 0644
udbg.h File 2.16 KB 0644
uic.h File 616 B 0644
unaligned.h File 548 B 0644
uninorth.h File 8.21 KB 0644
unistd.h File 1.52 KB 0644
uprobes.h File 1.41 KB 0644
user.h File 2.14 KB 0644
vas.h File 4.61 KB 0644
vdso.h File 1.53 KB 0644
vdso_datapage.h File 4.4 KB 0644
vga.h File 1.24 KB 0644
vio.h File 4.79 KB 0644
word-at-a-time.h File 4.75 KB 0644
xics.h File 4.31 KB 0644
xilinx_intc.h File 598 B 0644
xilinx_pci.h File 551 B 0644
xive-regs.h File 3.73 KB 0644
xive.h File 5.35 KB 0644
xmon.h File 927 B 0644
xor.h File 2.11 KB 0644