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-rw-r--r--arch/microblaze/include/asm/pvr.h209
1 files changed, 209 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/pvr.h b/arch/microblaze/include/asm/pvr.h
new file mode 100644
index 0000000..66f1b30
--- /dev/null
+++ b/arch/microblaze/include/asm/pvr.h
@@ -0,0 +1,209 @@
+/*
+ * Support for the MicroBlaze PVR (Processor Version Register)
+ *
+ * Copyright (C) 2009 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
+ * Copyright (C) 2007 - 2009 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[16];
+};
+
+/* 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 /* new */
+#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
+#define PVR2_D_LMB_MASK 0x40000000
+#define PVR2_I_OPB_MASK 0x20000000
+#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
+#define PVR2_DOPB_BUS_EXC_MASK 0x00000004
+#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
+#define PVR4_ICACHE_ADDR_TAG_BITS_MASK 0x7C000000
+#define PVR4_ICACHE_USE_FSL_MASK 0x02000000
+#define PVR4_ICACHE_ALLOW_WR_MASK 0x01000000
+#define PVR4_ICACHE_LINE_LEN_MASK 0x00E00000
+#define PVR4_ICACHE_BYTE_SIZE_MASK 0x001F0000
+
+/* DCache config PVR masks */
+#define PVR5_USE_DCACHE_MASK 0x80000000
+#define PVR5_DCACHE_ADDR_TAG_BITS_MASK 0x7C000000
+#define PVR5_DCACHE_USE_FSL_MASK 0x02000000
+#define PVR5_DCACHE_ALLOW_WR_MASK 0x01000000
+#define PVR5_DCACHE_LINE_LEN_MASK 0x00E00000
+#define PVR5_DCACHE_BYTE_SIZE_MASK 0x001F0000
+
+/* 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 descrtiption */
+#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
+/* 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)
+#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_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)
+
+
+int cpu_has_pvr(void);
+void get_pvr(struct pvr_s *pvr);
+
+#endif /* _ASM_MICROBLAZE_PVR_H */
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