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/*
 * Support for the MicroBlaze PVR (Processor Version Register)
 *
 * Copyright (C) 2009 - 2011 Michal Simek <monstr@monstr.eu>
 * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
 * Copyright (C) 2007 - 2011 PetaLogix
 *
 * This file is subject to the terms and conditions of the GNU General
 * Public License. See the file COPYING in the main directory of this
 * archive for more details.
 */

#ifndef _ASM_MICROBLAZE_PVR_H
#define _ASM_MICROBLAZE_PVR_H

#define PVR_MSR_BIT 0x400

struct pvr_s {
	unsigned pvr[12];
};

/* The following taken from Xilinx's standalone BSP pvr.h */

/* Basic PVR mask */
#define PVR0_PVR_FULL_MASK		0x80000000
#define PVR0_USE_BARREL_MASK		0x40000000
#define PVR0_USE_DIV_MASK		0x20000000
#define PVR0_USE_HW_MUL_MASK		0x10000000
#define PVR0_USE_FPU_MASK		0x08000000
#define PVR0_USE_EXC_MASK		0x04000000
#define PVR0_USE_ICACHE_MASK		0x02000000
#define PVR0_USE_DCACHE_MASK		0x01000000
#define PVR0_USE_MMU			0x00800000
#define PVR0_USE_BTC			0x00400000
#define PVR0_ENDI			0x00200000
#define PVR0_VERSION_MASK		0x0000FF00
#define PVR0_USER1_MASK			0x000000FF

/* User 2 PVR mask */
#define PVR1_USER2_MASK			0xFFFFFFFF

/* Configuration PVR masks */
#define PVR2_D_OPB_MASK			0x80000000 /* or AXI */
#define PVR2_D_LMB_MASK			0x40000000
#define PVR2_I_OPB_MASK			0x20000000 /* or AXI */
#define PVR2_I_LMB_MASK			0x10000000
#define PVR2_INTERRUPT_IS_EDGE_MASK	0x08000000
#define PVR2_EDGE_IS_POSITIVE_MASK	0x04000000
#define PVR2_D_PLB_MASK			0x02000000 /* new */
#define PVR2_I_PLB_MASK			0x01000000 /* new */
#define PVR2_INTERCONNECT		0x00800000 /* new */
#define PVR2_USE_EXTEND_FSL		0x00080000 /* new */
#define PVR2_USE_FSL_EXC		0x00040000 /* new */
#define PVR2_USE_MSR_INSTR		0x00020000
#define PVR2_USE_PCMP_INSTR		0x00010000
#define PVR2_AREA_OPTIMISED		0x00008000
#define PVR2_USE_BARREL_MASK		0x00004000
#define PVR2_USE_DIV_MASK		0x00002000
#define PVR2_USE_HW_MUL_MASK		0x00001000
#define PVR2_USE_FPU_MASK		0x00000800
#define PVR2_USE_MUL64_MASK		0x00000400
#define PVR2_USE_FPU2_MASK		0x00000200 /* new */
#define PVR2_USE_IPLBEXC 		0x00000100
#define PVR2_USE_DPLBEXC		0x00000080
#define PVR2_OPCODE_0x0_ILL_MASK	0x00000040
#define PVR2_UNALIGNED_EXC_MASK		0x00000020
#define PVR2_ILL_OPCODE_EXC_MASK	0x00000010
#define PVR2_IOPB_BUS_EXC_MASK		0x00000008 /* or AXI */
#define PVR2_DOPB_BUS_EXC_MASK		0x00000004 /* or AXI */
#define PVR2_DIV_ZERO_EXC_MASK		0x00000002
#define PVR2_FPU_EXC_MASK		0x00000001

/* Debug and exception PVR masks */
#define PVR3_DEBUG_ENABLED_MASK		0x80000000
#define PVR3_NUMBER_OF_PC_BRK_MASK	0x1E000000
#define PVR3_NUMBER_OF_RD_ADDR_BRK_MASK	0x00380000
#define PVR3_NUMBER_OF_WR_ADDR_BRK_MASK	0x0000E000
#define PVR3_FSL_LINKS_MASK		0x00000380

/* ICache config PVR masks */
#define PVR4_USE_ICACHE_MASK		0x80000000 /* ICU */
#define PVR4_ICACHE_ADDR_TAG_BITS_MASK	0x7C000000 /* ICTS */
#define PVR4_ICACHE_ALLOW_WR_MASK	0x01000000 /* ICW */
#define PVR4_ICACHE_LINE_LEN_MASK	0x00E00000 /* ICLL */
#define PVR4_ICACHE_BYTE_SIZE_MASK	0x001F0000 /* ICBS */
#define PVR4_ICACHE_ALWAYS_USED		0x00008000 /* IAU */
#define PVR4_ICACHE_INTERFACE		0x00002000 /* ICI */

/* DCache config PVR masks */
#define PVR5_USE_DCACHE_MASK		0x80000000 /* DCU */
#define PVR5_DCACHE_ADDR_TAG_BITS_MASK	0x7C000000 /* DCTS */
#define PVR5_DCACHE_ALLOW_WR_MASK	0x01000000 /* DCW */
#define PVR5_DCACHE_LINE_LEN_MASK	0x00E00000 /* DCLL */
#define PVR5_DCACHE_BYTE_SIZE_MASK	0x001F0000 /* DCBS */
#define PVR5_DCACHE_ALWAYS_USED		0x00008000 /* DAU */
#define PVR5_DCACHE_USE_WRITEBACK	0x00004000 /* DWB */
#define PVR5_DCACHE_INTERFACE		0x00002000 /* DCI */

/* ICache base address PVR mask */
#define PVR6_ICACHE_BASEADDR_MASK	0xFFFFFFFF

/* ICache high address PVR mask */
#define PVR7_ICACHE_HIGHADDR_MASK	0xFFFFFFFF

/* DCache base address PVR mask */
#define PVR8_DCACHE_BASEADDR_MASK	0xFFFFFFFF

/* DCache high address PVR mask */
#define PVR9_DCACHE_HIGHADDR_MASK	0xFFFFFFFF

/* Target family PVR mask */
#define PVR10_TARGET_FAMILY_MASK	0xFF000000

/* MMU description */
#define PVR11_USE_MMU			0xC0000000
#define PVR11_MMU_ITLB_SIZE		0x38000000
#define PVR11_MMU_DTLB_SIZE		0x07000000
#define PVR11_MMU_TLB_ACCESS		0x00C00000
#define PVR11_MMU_ZONES			0x003C0000
#define PVR11_MMU_PRIVINS		0x00010000
/* MSR Reset value PVR mask */
#define PVR11_MSR_RESET_VALUE_MASK	0x000007FF

/* PVR access macros */
#define PVR_IS_FULL(_pvr)	(_pvr.pvr[0] & PVR0_PVR_FULL_MASK)
#define PVR_USE_BARREL(_pvr)	(_pvr.pvr[0] & PVR0_USE_BARREL_MASK)
#define PVR_USE_DIV(_pvr)	(_pvr.pvr[0] & PVR0_USE_DIV_MASK)
#define PVR_USE_HW_MUL(_pvr)	(_pvr.pvr[0] & PVR0_USE_HW_MUL_MASK)
#define PVR_USE_FPU(_pvr)	(_pvr.pvr[0] & PVR0_USE_FPU_MASK)
#define PVR_USE_FPU2(_pvr)	(_pvr.pvr[2] & PVR2_USE_FPU2_MASK)
#define PVR_USE_ICACHE(_pvr)	(_pvr.pvr[0] & PVR0_USE_ICACHE_MASK)
#define PVR_USE_DCACHE(_pvr)	(_pvr.pvr[0] & PVR0_USE_DCACHE_MASK)
#define PVR_VERSION(_pvr)	((_pvr.pvr[0] & PVR0_VERSION_MASK) >> 8)
#define PVR_USER1(_pvr)		(_pvr.pvr[0] & PVR0_USER1_MASK)
#define PVR_USER2(_pvr)		(_pvr.pvr[1] & PVR1_USER2_MASK)

#define PVR_D_OPB(_pvr)		(_pvr.pvr[2] & PVR2_D_OPB_MASK)
#define PVR_D_LMB(_pvr)		(_pvr.pvr[2] & PVR2_D_LMB_MASK)
#define PVR_I_OPB(_pvr)		(_pvr.pvr[2] & PVR2_I_OPB_MASK)
#define PVR_I_LMB(_pvr)		(_pvr.pvr[2] & PVR2_I_LMB_MASK)
#define PVR_INTERRUPT_IS_EDGE(_pvr) \
			(_pvr.pvr[2] & PVR2_INTERRUPT_IS_EDGE_MASK)
#define PVR_EDGE_IS_POSITIVE(_pvr) \
			(_pvr.pvr[2] & PVR2_EDGE_IS_POSITIVE_MASK)
#define PVR_USE_MSR_INSTR(_pvr)		(_pvr.pvr[2] & PVR2_USE_MSR_INSTR)
#define PVR_USE_PCMP_INSTR(_pvr)	(_pvr.pvr[2] & PVR2_USE_PCMP_INSTR)
#define PVR_AREA_OPTIMISED(_pvr)	(_pvr.pvr[2] & PVR2_AREA_OPTIMISED)
#define PVR_USE_MUL64(_pvr)		(_pvr.pvr[2] & PVR2_USE_MUL64_MASK)
#define PVR_OPCODE_0x0_ILLEGAL(_pvr) \
			(_pvr.pvr[2] & PVR2_OPCODE_0x0_ILL_MASK)
#define PVR_UNALIGNED_EXCEPTION(_pvr) \
			(_pvr.pvr[2] & PVR2_UNALIGNED_EXC_MASK)
#define PVR_ILL_OPCODE_EXCEPTION(_pvr) \
			(_pvr.pvr[2] & PVR2_ILL_OPCODE_EXC_MASK)
#define PVR_IOPB_BUS_EXCEPTION(_pvr) \
			(_pvr.pvr[2] & PVR2_IOPB_BUS_EXC_MASK)
#define PVR_DOPB_BUS_EXCEPTION(_pvr) \
			(_pvr.pvr[2] & PVR2_DOPB_BUS_EXC_MASK)
#define PVR_DIV_ZERO_EXCEPTION(_pvr) \
			(_pvr.pvr[2] & PVR2_DIV_ZERO_EXC_MASK)
#define PVR_FPU_EXCEPTION(_pvr)		(_pvr.pvr[2] & PVR2_FPU_EXC_MASK)
#define PVR_FSL_EXCEPTION(_pvr)		(_pvr.pvr[2] & PVR2_USE_EXTEND_FSL)

#define PVR_DEBUG_ENABLED(_pvr)		(_pvr.pvr[3] & PVR3_DEBUG_ENABLED_MASK)
#define PVR_NUMBER_OF_PC_BRK(_pvr) \
			((_pvr.pvr[3] & PVR3_NUMBER_OF_PC_BRK_MASK) >> 25)
#define PVR_NUMBER_OF_RD_ADDR_BRK(_pvr) \
			((_pvr.pvr[3] & PVR3_NUMBER_OF_RD_ADDR_BRK_MASK) >> 19)
#define PVR_NUMBER_OF_WR_ADDR_BRK(_pvr) \
			((_pvr.pvr[3] & PVR3_NUMBER_OF_WR_ADDR_BRK_MASK) >> 13)
#define PVR_FSL_LINKS(_pvr)	((_pvr.pvr[3] & PVR3_FSL_LINKS_MASK) >> 7)

#define PVR_ICACHE_ADDR_TAG_BITS(_pvr) \
		((_pvr.pvr[4] & PVR4_ICACHE_ADDR_TAG_BITS_MASK) >> 26)
#define PVR_ICACHE_USE_FSL(_pvr) \
		(_pvr.pvr[4] & PVR4_ICACHE_USE_FSL_MASK)
#define PVR_ICACHE_ALLOW_WR(_pvr) \
		(_pvr.pvr[4] & PVR4_ICACHE_ALLOW_WR_MASK)
#define PVR_ICACHE_LINE_LEN(_pvr) \
		(1 << ((_pvr.pvr[4] & PVR4_ICACHE_LINE_LEN_MASK) >> 21))
#define PVR_ICACHE_BYTE_SIZE(_pvr) \
		(1 << ((_pvr.pvr[4] & PVR4_ICACHE_BYTE_SIZE_MASK) >> 16))

#define PVR_DCACHE_ADDR_TAG_BITS(_pvr) \
			((_pvr.pvr[5] & PVR5_DCACHE_ADDR_TAG_BITS_MASK) >> 26)
#define PVR_DCACHE_USE_FSL(_pvr)	(_pvr.pvr[5] & PVR5_DCACHE_USE_FSL_MASK)
#define PVR_DCACHE_ALLOW_WR(_pvr) \
			(_pvr.pvr[5] & PVR5_DCACHE_ALLOW_WR_MASK)
/* FIXME two shifts on one line needs any comment */
#define PVR_DCACHE_LINE_LEN(_pvr) \
		(1 << ((_pvr.pvr[5] & PVR5_DCACHE_LINE_LEN_MASK) >> 21))
#define PVR_DCACHE_BYTE_SIZE(_pvr) \
		(1 << ((_pvr.pvr[5] & PVR5_DCACHE_BYTE_SIZE_MASK) >> 16))

#define PVR_DCACHE_USE_WRITEBACK(_pvr) \
			((_pvr.pvr[5] & PVR5_DCACHE_USE_WRITEBACK) >> 14)

#define PVR_ICACHE_BASEADDR(_pvr) \
			(_pvr.pvr[6] & PVR6_ICACHE_BASEADDR_MASK)
#define PVR_ICACHE_HIGHADDR(_pvr) \
			(_pvr.pvr[7] & PVR7_ICACHE_HIGHADDR_MASK)
#define PVR_DCACHE_BASEADDR(_pvr) \
			(_pvr.pvr[8] & PVR8_DCACHE_BASEADDR_MASK)
#define PVR_DCACHE_HIGHADDR(_pvr) \
			(_pvr.pvr[9] & PVR9_DCACHE_HIGHADDR_MASK)

#define PVR_TARGET_FAMILY(_pvr) \
			((_pvr.pvr[10] & PVR10_TARGET_FAMILY_MASK) >> 24)

#define PVR_MSR_RESET_VALUE(_pvr) \
			(_pvr.pvr[11] & PVR11_MSR_RESET_VALUE_MASK)

/* mmu */
#define PVR_USE_MMU(_pvr)		((_pvr.pvr[11] & PVR11_USE_MMU) >> 30)
#define PVR_MMU_ITLB_SIZE(_pvr)		(_pvr.pvr[11] & PVR11_MMU_ITLB_SIZE)
#define PVR_MMU_DTLB_SIZE(_pvr)		(_pvr.pvr[11] & PVR11_MMU_DTLB_SIZE)
#define PVR_MMU_TLB_ACCESS(_pvr)	(_pvr.pvr[11] & PVR11_MMU_TLB_ACCESS)
#define PVR_MMU_ZONES(_pvr)		(_pvr.pvr[11] & PVR11_MMU_ZONES)
#define PVR_MMU_PRIVINS(pvr)		(pvr.pvr[11] & PVR11_MMU_PRIVINS)

/* endian */
#define PVR_ENDIAN(_pvr)	(_pvr.pvr[0] & PVR0_ENDI)

int cpu_has_pvr(void);
void get_pvr(struct pvr_s *pvr);

#endif /* _ASM_MICROBLAZE_PVR_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 742 B 0644
asm-compat.h File 518 B 0644
asm-offsets.h File 35 B 0644
atomic.h File 626 B 0644
cache.h File 644 B 0644
cacheflush.h File 4.12 KB 0644
checksum.h File 942 B 0644
cmpxchg.h File 919 B 0644
cpuinfo.h File 2.13 KB 0644
cputable.h File 1 B 0644
current.h File 850 B 0644
delay.h File 2.26 KB 0644
dma-mapping.h File 765 B 0644
dma.h File 706 B 0644
elf.h File 738 B 0644
entry.h File 1.13 KB 0644
exceptions.h File 2.08 KB 0644
fixmap.h File 1.96 KB 0644
flat.h File 2.26 KB 0644
ftrace.h File 641 B 0644
futex.h File 2.13 KB 0644
hash.h File 2.37 KB 0644
highmem.h File 2.2 KB 0644
hw_irq.h File 1 B 0644
io.h File 2.05 KB 0644
irq.h File 538 B 0644
irqflags.h File 2.6 KB 0644
kgdb.h File 739 B 0644
mmu.h File 4.19 KB 0644
mmu_context.h File 141 B 0644
mmu_context_mm.h File 3.91 KB 0644
module.h File 840 B 0644
page.h File 6.11 KB 0644
pci-bridge.h File 4.57 KB 0644
pci.h File 2.47 KB 0644
pgalloc.h File 4.74 KB 0644
pgtable.h File 17.66 KB 0644
processor.h File 4.11 KB 0644
prom.h File 713 B 0644
ptrace.h File 727 B 0644
pvr.h File 8.72 KB 0644
registers.h File 1.65 KB 0644
seccomp.h File 256 B 0644
sections.h File 637 B 0644
setup.h File 1.37 KB 0644
string.h File 630 B 0644
switch_to.h File 629 B 0644
syscall.h File 2.26 KB 0644
thread_info.h File 4.01 KB 0644
timex.h File 402 B 0644
tlb.h File 714 B 0644
tlbflush.h File 2.04 KB 0644
uaccess.h File 9.98 KB 0644
unaligned.h File 871 B 0644
unistd.h File 1.19 KB 0644
unwind.h File 719 B 0644
user.h File 1 B 0644