[U-Boot] [PATCH 1/9] arc: add architecture header files
Alexey Brodkin
Alexey.Brodkin at synopsys.com
Wed Jan 29 00:09:32 CET 2014
Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
Cc: Mischa Jonker <mjonker at synopsys.com>
Cc: Francois Bedard <fbedard at synopsys.com>
---
arch/arc/include/asm/arch-arc700/hardware.h | 0
arch/arc/include/asm/arcregs.h | 324 ++++++++++++++++++++++++++++
arch/arc/include/asm/bitops.h | 19 ++
arch/arc/include/asm/byteorder.h | 23 ++
arch/arc/include/asm/cache.h | 23 ++
arch/arc/include/asm/config.h | 12 ++
arch/arc/include/asm/errno.h | 1 +
arch/arc/include/asm/global_data.h | 19 ++
arch/arc/include/asm/io.h | 287 ++++++++++++++++++++++++
arch/arc/include/asm/posix_types.h | 73 +++++++
arch/arc/include/asm/processor.h | 0
arch/arc/include/asm/ptrace.h | 101 +++++++++
arch/arc/include/asm/sections.h | 1 +
arch/arc/include/asm/string.h | 0
arch/arc/include/asm/types.h | 55 +++++
arch/arc/include/asm/u-boot.h | 15 ++
arch/arc/include/asm/unaligned.h | 1 +
17 files changed, 954 insertions(+)
create mode 100644 arch/arc/include/asm/arch-arc700/hardware.h
create mode 100644 arch/arc/include/asm/arcregs.h
create mode 100644 arch/arc/include/asm/bitops.h
create mode 100644 arch/arc/include/asm/byteorder.h
create mode 100644 arch/arc/include/asm/cache.h
create mode 100644 arch/arc/include/asm/config.h
create mode 100644 arch/arc/include/asm/errno.h
create mode 100644 arch/arc/include/asm/global_data.h
create mode 100644 arch/arc/include/asm/io.h
create mode 100644 arch/arc/include/asm/posix_types.h
create mode 100644 arch/arc/include/asm/processor.h
create mode 100644 arch/arc/include/asm/ptrace.h
create mode 100644 arch/arc/include/asm/sections.h
create mode 100644 arch/arc/include/asm/string.h
create mode 100644 arch/arc/include/asm/types.h
create mode 100644 arch/arc/include/asm/u-boot.h
create mode 100644 arch/arc/include/asm/unaligned.h
diff --git a/arch/arc/include/asm/arch-arc700/hardware.h b/arch/arc/include/asm/arch-arc700/hardware.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
new file mode 100644
index 0000000..87b0a60
--- /dev/null
+++ b/arch/arc/include/asm/arcregs.h
@@ -0,0 +1,324 @@
+/*
+ * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _ASM_ARC_ARCREGS_H
+#define _ASM_ARC_ARCREGS_H
+
+#ifdef __KERNEL__
+
+/* Build Configuration Registers */
+#define ARC_REG_DCCMBASE_BCR 0x61 /* DCCM Base Addr */
+#define ARC_REG_CRC_BCR 0x62
+#define ARC_REG_DVFB_BCR 0x64
+#define ARC_REG_EXTARITH_BCR 0x65
+#define ARC_REG_VECBASE_BCR 0x68
+#define ARC_REG_PERIBASE_BCR 0x69
+#define ARC_REG_FP_BCR 0x6B /* Single-Precision FPU */
+#define ARC_REG_DPFP_BCR 0x6C /* Dbl Precision FPU */
+#define ARC_REG_DCCM_BCR 0x74 /* DCCM Present + SZ */
+#define ARC_REG_TIMERS_BCR 0x75
+#define ARC_REG_ICCM_BCR 0x78
+#define ARC_REG_XY_MEM_BCR 0x79
+#define ARC_REG_MAC_BCR 0x7a
+#define ARC_REG_MUL_BCR 0x7b
+#define ARC_REG_SWAP_BCR 0x7c
+#define ARC_REG_NORM_BCR 0x7d
+#define ARC_REG_MIXMAX_BCR 0x7e
+#define ARC_REG_BARREL_BCR 0x7f
+#define ARC_REG_D_UNCACH_BCR 0x6A
+
+/* status32 Bits Positions */
+#define STATUS_AE_BIT 5 /* Exception active */
+#define STATUS_DE_BIT 6 /* PC is in delay slot */
+#define STATUS_U_BIT 7 /* User/Kernel mode */
+#define STATUS_L_BIT 12 /* Loop inhibit */
+
+/* These masks correspond to the status word(STATUS_32) bits */
+#define STATUS_AE_MASK (1<<STATUS_AE_BIT)
+#define STATUS_DE_MASK (1<<STATUS_DE_BIT)
+#define STATUS_U_MASK (1<<STATUS_U_BIT)
+#define STATUS_L_MASK (1<<STATUS_L_BIT)
+
+/*
+ * ECR: Exception Cause Reg bits-n-pieces
+ * [23:16] = Exception Vector
+ * [15: 8] = Exception Cause Code
+ * [ 7: 0] = Exception Parameters (for certain types only)
+ */
+#define ECR_VEC_MASK 0xff0000
+#define ECR_CODE_MASK 0x00ff00
+#define ECR_PARAM_MASK 0x0000ff
+
+/* Exception Cause Vector Values */
+#define ECR_V_INSN_ERR 0x02
+#define ECR_V_MACH_CHK 0x20
+#define ECR_V_ITLB_MISS 0x21
+#define ECR_V_DTLB_MISS 0x22
+#define ECR_V_PROTV 0x23
+#define ECR_V_TRAP 0x25
+
+/* Protection Violation Exception Cause Code Values */
+#define ECR_C_PROTV_INST_FETCH 0x00
+#define ECR_C_PROTV_LOAD 0x01
+#define ECR_C_PROTV_STORE 0x02
+#define ECR_C_PROTV_XCHG 0x03
+#define ECR_C_PROTV_MISALIG_DATA 0x04
+
+#define ECR_C_BIT_PROTV_MISALIG_DATA 10
+
+/* Machine Check Cause Code Values */
+#define ECR_C_MCHK_DUP_TLB 0x01
+
+/* DTLB Miss Exception Cause Code Values */
+#define ECR_C_BIT_DTLB_LD_MISS 8
+#define ECR_C_BIT_DTLB_ST_MISS 9
+
+/* Dummy ECR values for Interrupts */
+#define event_IRQ1 0x0031abcd
+#define event_IRQ2 0x0032abcd
+
+/* Auxiliary registers */
+#define AUX_IDENTITY 4
+#define AUX_INTR_VEC_BASE 0x25
+
+
+/*
+ * Floating Pt Registers
+ * Status regs are read-only (build-time) so need not be saved/restored
+ */
+#define ARC_AUX_FP_STAT 0x300
+#define ARC_AUX_DPFP_1L 0x301
+#define ARC_AUX_DPFP_1H 0x302
+#define ARC_AUX_DPFP_2L 0x303
+#define ARC_AUX_DPFP_2H 0x304
+#define ARC_AUX_DPFP_STAT 0x305
+
+#ifndef __ASSEMBLY__
+
+/*
+ ******************************************************************
+ * Inline ASM macros to read/write AUX Regs
+ * Essentially invocation of lr/sr insns from "C"
+ */
+
+#if 1
+
+#define read_aux_reg(reg) __builtin_arc_lr(reg)
+
+/* gcc builtin sr needs reg param to be long immediate */
+#define write_aux_reg(reg_immed, val) \
+ __builtin_arc_sr((unsigned int)val, reg_immed)
+
+#else
+
+#define read_aux_reg(reg) \
+({ \
+ unsigned int __ret; \
+ __asm__ __volatile__( \
+ " lr %0, [%1]" \
+ : "=r"(__ret) \
+ : "i"(reg)); \
+ __ret; \
+})
+
+/*
+ * Aux Reg address is specified as long immediate by caller
+ * e.g.
+ * write_aux_reg(0x69, some_val);
+ * This generates tightest code.
+ */
+#define write_aux_reg(reg_imm, val) \
+({ \
+ __asm__ __volatile__( \
+ " sr %0, [%1]\n" \
+ : \
+ : "ir"(val), "i"(reg_imm)); \
+})
+
+/*
+ * Aux Reg address is specified in a variable
+ * * e.g.
+ * reg_num = 0x69
+ * write_aux_reg2(reg_num, some_val);
+ * This has to generate glue code to load the reg num from
+ * memory to a reg hence not recommended.
+ */
+#define write_aux_reg2(reg_in_var, val) \
+({ \
+ unsigned int tmp; \
+ \
+ __asm__ __volatile__( \
+ " ld %0, [%2]\n\t" \
+ " sr %1, [%0]\n\t" \
+ : "=&r"(tmp) \
+ : "r"(val), "memory"(®_in_var)); \
+})
+
+#endif
+
+#define READ_BCR(reg, into) \
+{ \
+ unsigned int tmp; \
+ tmp = read_aux_reg(reg); \
+ if (sizeof(tmp) == sizeof(into)) { \
+ into = *((typeof(into) *)&tmp); \
+ } else { \
+ extern void bogus_undefined(void); \
+ bogus_undefined(); \
+ } \
+}
+
+#define WRITE_BCR(reg, into) \
+{ \
+ unsigned int tmp; \
+ if (sizeof(tmp) == sizeof(into)) { \
+ tmp = (*(unsigned int *)(into)); \
+ write_aux_reg(reg, tmp); \
+ } else { \
+ extern void bogus_undefined(void); \
+ bogus_undefined(); \
+ } \
+}
+
+/* Helpers */
+#define TO_KB(bytes) ((bytes) >> 10)
+#define TO_MB(bytes) (TO_KB(bytes) >> 10)
+#define PAGES_TO_KB(n_pages) ((n_pages) << (PAGE_SHIFT - 10))
+#define PAGES_TO_MB(n_pages) (PAGES_TO_KB(n_pages) >> 10)
+
+#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
+/* These DPFP regs need to be saved/restored across ctx-sw */
+struct arc_fpu {
+ struct {
+ unsigned int l, h;
+ } aux_dpfp[2];
+};
+#endif
+
+/*
+ ***************************************************************
+ * Build Configuration Registers, with encoded hardware config
+ */
+struct bcr_identity {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int chip_id:16, cpu_id:8, family:8;
+#else
+ unsigned int family:8, cpu_id:8, chip_id:16;
+#endif
+};
+
+#define EXTN_SWAP_VALID 0x1
+#define EXTN_NORM_VALID 0x2
+#define EXTN_MINMAX_VALID 0x2
+#define EXTN_BARREL_VALID 0x2
+
+struct bcr_extn {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int pad:20, crc:1, ext_arith:2, mul:2, barrel:2, minmax:2,
+ norm:2, swap:1;
+#else
+ unsigned int swap:1, norm:2, minmax:2, barrel:2, mul:2, ext_arith:2,
+ crc:1, pad:20;
+#endif
+};
+
+/* DSP Options Ref Manual */
+struct bcr_extn_mac_mul {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int pad:16, type:8, ver:8;
+#else
+ unsigned int ver:8, type:8, pad:16;
+#endif
+};
+
+struct bcr_extn_xymem {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int ram_org:2, num_banks:4, bank_sz:4, ver:8;
+#else
+ unsigned int ver:8, bank_sz:4, num_banks:4, ram_org:2;
+#endif
+};
+
+struct bcr_perip {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int start:8, pad2:8, sz:8, pad:8;
+#else
+ unsigned int pad:8, sz:8, pad2:8, start:8;
+#endif
+};
+struct bcr_iccm {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int base:16, pad:5, sz:3, ver:8;
+#else
+ unsigned int ver:8, sz:3, pad:5, base:16;
+#endif
+};
+
+/* DCCM Base Address Register: ARC_REG_DCCMBASE_BCR */
+struct bcr_dccm_base {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int addr:24, ver:8;
+#else
+ unsigned int ver:8, addr:24;
+#endif
+};
+
+/* DCCM RAM Configuration Register: ARC_REG_DCCM_BCR */
+struct bcr_dccm {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int res:21, sz:3, ver:8;
+#else
+ unsigned int ver:8, sz:3, res:21;
+#endif
+};
+
+/* Both SP and DP FPU BCRs have same format */
+struct bcr_fp {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned int fast:1, ver:8;
+#else
+ unsigned int ver:8, fast:1;
+#endif
+};
+
+/*
+ *******************************************************************
+ * Generic structures to hold build configuration used at runtime
+ */
+
+struct cpuinfo_arc_mmu {
+ unsigned int ver, pg_sz, sets, ways, u_dtlb, u_itlb, num_tlb;
+};
+
+struct cpuinfo_arc_cache {
+ unsigned int sz, line_len, assoc, ver;
+};
+
+struct cpuinfo_arc_ccm {
+ unsigned int base_addr, sz;
+};
+
+struct cpuinfo_arc {
+ struct cpuinfo_arc_cache icache, dcache;
+ struct cpuinfo_arc_mmu mmu;
+ struct bcr_identity core;
+ unsigned int timers;
+ unsigned int vec_base;
+ unsigned int uncached_base;
+ struct cpuinfo_arc_ccm iccm, dccm;
+ struct bcr_extn extn;
+ struct bcr_extn_xymem extn_xymem;
+ struct bcr_extn_mac_mul extn_mac_mul;
+ struct bcr_fp fp, dpfp;
+};
+
+extern struct cpuinfo_arc cpuinfo_arc700[];
+
+#endif /* __ASEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_ARC_ARCREGS_H */
diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h
new file mode 100644
index 0000000..85721aa
--- /dev/null
+++ b/arch/arc/include/asm/bitops.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_BITOPS_H
+#define __ASM_ARC_BITOPS_H
+
+/*
+ * hweightN: returns the hamming weight (i.e. the number
+ * of bits set) of a N-bit word
+ */
+
+#define hweight32(x) generic_hweight32(x)
+#define hweight16(x) generic_hweight16(x)
+#define hweight8(x) generic_hweight8(x)
+
+#endif /* __ASM_ARC_BITOPS_H */
diff --git a/arch/arc/include/asm/byteorder.h b/arch/arc/include/asm/byteorder.h
new file mode 100644
index 0000000..9057624
--- /dev/null
+++ b/arch/arc/include/asm/byteorder.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_BYTEORDER_H
+#define __ASM_ARC_BYTEORDER_H
+
+#include <asm/types.h>
+
+#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+ #define __BYTEORDER_HAS_U64__
+ #define __SWAB_64_THRU_32__
+#endif
+
+#ifndef CONFIG_SYS_BIG_ENDIAN
+ #include <linux/byteorder/little_endian.h>
+#else
+ #include <linux/byteorder/big_endian.h>
+#endif /* CONFIG_SYS_BIG_ENDIAN */
+
+#endif /* ASM_ARC_BYTEORDER_H */
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
new file mode 100644
index 0000000..16e7568
--- /dev/null
+++ b/arch/arc/include/asm/cache.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_CACHE_H
+#define __ASM_ARC_CACHE_H
+
+#include <config.h>
+
+/*
+ * The current upper bound for ARC L1 data cache line sizes is 128 bytes.
+ * We use that value for aligning DMA buffers unless the board config has
+ * specified an alternate cache line size.
+ */
+#ifdef CONFIG_SYS_CACHELINE_SIZE
+#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
+#else
+#define ARCH_DMA_MINALIGN 128
+#endif
+
+#endif /* __ASM_ARC_CACHE_H */
diff --git a/arch/arc/include/asm/config.h b/arch/arc/include/asm/config.h
new file mode 100644
index 0000000..5761def
--- /dev/null
+++ b/arch/arc/include/asm/config.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_CONFIG_H_
+#define __ASM_ARC_CONFIG_H_
+
+#define CONFIG_LMB
+
+#endif /*__ASM_ARC_CONFIG_H_ */
diff --git a/arch/arc/include/asm/errno.h b/arch/arc/include/asm/errno.h
new file mode 100644
index 0000000..4c82b50
--- /dev/null
+++ b/arch/arc/include/asm/errno.h
@@ -0,0 +1 @@
+#include <asm-generic/errno.h>
diff --git a/arch/arc/include/asm/global_data.h b/arch/arc/include/asm/global_data.h
new file mode 100644
index 0000000..d644e80
--- /dev/null
+++ b/arch/arc/include/asm/global_data.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_GLOBAL_DATA_H
+#define __ASM_ARC_GLOBAL_DATA_H
+
+/* Architecture-specific global data */
+struct arch_global_data {
+ int running_on_hw;
+};
+
+#include <asm-generic/global_data.h>
+
+#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r25")
+
+#endif /* __ASM_ARC_GLOBAL_DATA_H */
diff --git a/arch/arc/include/asm/io.h b/arch/arc/include/asm/io.h
new file mode 100644
index 0000000..b7facc1
--- /dev/null
+++ b/arch/arc/include/asm/io.h
@@ -0,0 +1,287 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/types.h>
+
+#ifndef __ASM_ARC_IO_H
+#define __ASM_ARC_IO_H
+
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+#include <asm/byteorder.h>
+
+static inline void sync(void)
+{
+ /* Not yet implemented */
+}
+
+#define IO_WRITE32(val, addr) ({__asm__ __volatile__ ("st.di %0,[%1]" : : \
+ "r" ((val)) , "r" ((addr))); })
+
+#define IO_READ32(addr) ({unsigned int val = 0; __asm__ __volatile__ \
+ ("ld.di %0,[%1]" : "=&r" ((val)) : "r" ((addr))); val; })
+
+#define IO_WRITE8(val, addr) ({__asm__ __volatile__ ("stb.di %0,[%1]" : : \
+ "r" ((val)), "r" ((addr))); })
+
+#define IO_READ8(addr) ({unsigned int val = 0; __asm__ __volatile__ \
+ ("ldb.di %0,[%1]" : "=&r" ((val)) : "r" ((addr))); val; })
+
+#define writeb(val, addr) ({ __asm__ __volatile__ ("stb.di %0,[%1]" : :\
+ "r" ((val)), "r" ((addr))); })
+
+#define writew(val, addr) ({ __asm__ __volatile__ ("stw.di %0,[%1]" : :\
+ "r" ((val)), "r" ((addr))); })
+
+#define writel(val, addr) ({ __asm__ __volatile__ ("st.di %0,[%1]" : :\
+ "r" ((val)), "r" ((addr))); })
+
+#define readb(addr) ({unsigned int val = 0; __asm__ __volatile__ \
+ ("ldb.di %0,[%1]" : "=&r" ((val)) : "r" ((addr))); val; })
+
+#define readw(addr) ({unsigned int val = 0; __asm__ __volatile__ \
+ ("ldw.di %0,[%1]" : "=&r" ((val)) : "r" ((addr))); val; })
+
+#define readl(addr) ({unsigned int val = 0; __asm__ __volatile__ \
+ ("ld.di %0,[%1]" : "=&r" ((val)) : "r"((addr))); val; })
+
+#define __raw_readb readb
+#define __raw_readw readw
+#define __raw_readl readl
+
+#define __raw_writeb writeb
+#define __raw_writew writew
+#define __raw_writel writel
+
+/* These can't be used, because they don't make any sense like this - PS */
+#define memset_io(a, b, c) memset((void *)(a), (b), (c))
+#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
+#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
+
+#define __io(a) (a)
+#define __mem_pci(a) ((unsigned long)(a))
+#define __mem_isa(a) ((unsigned long)(a))
+
+static inline int __raw_readsb(unsigned int addr, void *data, int bytelen)
+{
+ __asm__ __volatile__ ("1:ld.di r8,[r0];\n"
+ "sub.f r2,r2,1;\n"
+ "bnz.d 1b;\n"
+ "stb.ab r8,[r1,1];\n"
+ :
+ : "r" (addr), "r" (data), "r" (bytelen)
+ : "r8");
+ return bytelen;
+}
+
+static inline int __raw_readsw(unsigned int addr, void *data, int wordlen)
+{
+ __asm__ __volatile__ ("1:ld.di r8,[r0];\n"
+ "sub.f r2,r2,1;\n"
+ "bnz.d 1b;\n"
+ "stw.ab r8,[r1,2];\n"
+ :
+ : "r" (addr), "r" (data), "r" (wordlen)
+ : "r8");
+ return wordlen;
+}
+
+static inline int __raw_readsl(unsigned int addr, void *data, int longlen)
+{
+ __asm__ __volatile__ ("1:ld.di r8,[r0];\n"
+ "sub.f r2,r2,1;\n"
+ "bnz.d 1b;\n"
+ "st.ab r8,[r1,4];\n"
+ :
+ : "r" (addr), "r" (data), "r" (longlen)
+ : "r8");
+ return longlen;
+}
+
+static inline int __raw_writesb(unsigned int addr, void *data, int bytelen)
+{
+ __asm__ __volatile__ ("1:ldb.ab r8,[r1,1];\n"
+ "sub.f r2,r2,1;\n"
+ "bnz.d 1b;\n"
+ "st.di r8,[r0,0];\n"
+ :
+ : "r" (addr), "r" (data), "r" (bytelen)
+ : "r8");
+ return bytelen;
+}
+
+static inline int __raw_writesw(unsigned int addr, void *data, int wordlen)
+{
+ __asm__ __volatile__ ("1:ldw.ab r8,[r1,2];\n"
+ "sub.f r2,r2,1;\n"
+ "bnz.d 1b;\n"
+ "st.ab.di r8,[r0,0];\n"
+ :
+ : "r" (addr), "r" (data), "r" (wordlen)
+ : "r8");
+ return wordlen;
+}
+
+static inline int __raw_writesl(unsigned int addr, void *data, int longlen)
+{
+ __asm__ __volatile__ ("1:ld.ab r8,[r1,4];\n"
+ "sub.f r2,r2,1;\n"
+ "bnz.d 1b;\n"
+ "st.ab.di r8,[r0,0];\n"
+ :
+ : "r" (addr), "r" (data), "r" (longlen)
+ : "r8");
+ return longlen;
+}
+
+/*
+ * Generic virtual read/write
+ */
+#define iomem_valid_addr(iomem, sz) (1)
+#define iomem_to_phys(iomem) (iomem)
+
+#ifdef __io
+#define outb(v, p) __raw_writeb(v, __io(p))
+#define outw(v, p) __raw_writew(cpu_to_le16(v), __io(p))
+#define outl(v, p) __raw_writel(cpu_to_le32(v), __io(p))
+
+#define inb(p) ({ unsigned int __v = __raw_readb(__io(p)); __v; })
+#define inw(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(__io(p))); __v; })
+#define inl(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(__io(p))); __v; })
+
+#define outsb(p, d, l) __raw_writesb(__io(p), d, l)
+#define outsw(p, d, l) __raw_writesw(__io(p), d, l)
+#define outsl(p, d, l) __raw_writesl(__io(p), d, l)
+
+#define insb(p, d, l) __raw_readsb(__io(p), d, l)
+#define insw(p, d, l) __raw_readsw(__io(p), d, l)
+#define insl(p, d, l) __raw_readsl(__io(p), d, l)
+#endif
+
+#define outb_p(val, port) outb((val), (port))
+#define outw_p(val, port) outw((val), (port))
+#define outl_p(val, port) outl((val), (port))
+
+#define inb_p(port) inb((port))
+#define inw_p(port) inw((port))
+#define inl_p(port) inl((port))
+
+#define outsb_p(port, from, len) outsb(port, from, len)
+#define outsw_p(port, from, len) outsw(port, from, len)
+#define outsl_p(port, from, len) outsl(port, from, len)
+
+#define insb_p(port, to, len) insb(port, to, len)
+#define insw_p(port, to, len) insw(port, to, len)
+#define insl_p(port, to, len) insl(port, to, len)
+
+/*
+ * Clear and set bits in one shot. These macros can be used to clear and
+ * set multiple bits in a register using a single call. These macros can
+ * also be used to set a multiple-bit bit pattern using a mask, by
+ * specifying the mask in the 'clear' parameter and the new bit pattern
+ * in the 'set' parameter.
+ */
+
+#define out_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a)
+#define in_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a))
+
+#define out_le32(a, v) out_arch(l, le32, a, v)
+#define out_le16(a, v) out_arch(w, le16, a, v)
+
+#define in_le32(a) in_arch(l, le32, a)
+#define in_le16(a) in_arch(w, le16, a)
+
+#define out_be32(a, v) out_arch(l, be32, a, v)
+#define out_be16(a, v) out_arch(w, be16, a, v)
+
+#define in_be32(a) in_arch(l, be32, a)
+#define in_be16(a) in_arch(w, be16, a)
+
+#define out_8(a, v) __raw_writeb(v, a)
+#define in_8(a) __raw_readb(a)
+
+#define clrbits(type, addr, clear) \
+ out_##type((addr), in_##type(addr) & ~(clear))
+
+#define setbits(type, addr, set) \
+ out_##type((addr), in_##type(addr) | (set))
+
+#define clrsetbits(type, addr, clear, set) \
+ out_##type((addr), (in_##type(addr) & ~(clear)) | (set))
+
+#define clrbits_be32(addr, clear) clrbits(be32, addr, clear)
+#define setbits_be32(addr, set) setbits(be32, addr, set)
+#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set)
+
+#define clrbits_le32(addr, clear) clrbits(le32, addr, clear)
+#define setbits_le32(addr, set) setbits(le32, addr, set)
+#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set)
+
+#define clrbits_be16(addr, clear) clrbits(be16, addr, clear)
+#define setbits_be16(addr, set) setbits(be16, addr, set)
+#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set)
+
+#define clrbits_le16(addr, clear) clrbits(le16, addr, clear)
+#define setbits_le16(addr, set) setbits(le16, addr, set)
+#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set)
+
+#define clrbits_8(addr, clear) clrbits(8, addr, clear)
+#define setbits_8(addr, set) setbits(8, addr, set)
+#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
+
+/*
+ * Given a physical address and a length, return a virtual address
+ * that can be used to access the memory range with the caching
+ * properties specified by "flags".
+ */
+#define MAP_NOCACHE (0)
+#define MAP_WRCOMBINE (0)
+#define MAP_WRBACK (0)
+#define MAP_WRTHROUGH (0)
+
+static inline void *
+map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+{
+ return (void *)paddr;
+}
+
+/*
+ * Take down a mapping set up by map_physmem().
+ */
+static inline void unmap_physmem(void *vaddr, unsigned long flags)
+{
+}
+
+extern void *__ioremap(unsigned long physaddr, unsigned long size,
+ int cacheflag);
+extern void *ioremap(unsigned long physaddr, unsigned long size);
+extern void *ioremap_nocache(unsigned long physaddr, unsigned long size);
+extern void __iounmap(void *addr, unsigned long size);
+extern void iounmap(void *addr);
+
+/*
+ * IO bus memory addresses are also 1:1 with the physical address
+ */
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
+
+
+/* Written to pacify arch indepeandant code.
+ * Not used by ARC I/O
+ */
+#define _inb inb
+#define _outb outb
+
+#define IO_SPACE_LIMIT 0xffff
+
+#define IOMAP_FULL_CACHING 0
+#define IOMAP_NOCACHE_SER 1
+#define IOMAP_NOCACHE_NONSER 2
+#define IOMAP_WRITETHROUGH 3
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_ARC_IO_H */
diff --git a/arch/arc/include/asm/posix_types.h b/arch/arc/include/asm/posix_types.h
new file mode 100644
index 0000000..9c5667b
--- /dev/null
+++ b/arch/arc/include/asm/posix_types.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_POSIX_TYPES_H
+#define __ASM_ARC_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc. Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned short __kernel_dev_t;
+typedef unsigned long __kernel_ino_t;
+typedef unsigned short __kernel_mode_t;
+typedef unsigned short __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef unsigned short __kernel_ipc_pid_t;
+typedef unsigned short __kernel_uid_t;
+typedef unsigned short __kernel_gid_t;
+typedef unsigned int __kernel_size_t;
+typedef int __kernel_ssize_t;
+typedef int __kernel_ptrdiff_t;
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef int __kernel_daddr_t;
+typedef char * __kernel_caddr_t;
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef unsigned int __kernel_uid32_t;
+typedef unsigned int __kernel_gid32_t;
+
+typedef unsigned short __kernel_old_uid_t;
+typedef unsigned short __kernel_old_gid_t;
+
+#ifdef __GNUC__
+typedef long long __kernel_loff_t;
+#endif
+
+typedef struct {
+#if defined(__KERNEL__) || defined(__USE_ALL)
+ int val[2];
+#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+ int __val[2];
+#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+} __kernel_fsid_t;
+
+#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
+
+#undef __FD_SET
+#define __FD_SET(fd, fdsetp) \
+ (((fd_set *)fdsetp)->fds_bits[fd >> 5] |= (1<<(fd & 31)))
+
+#undef __FD_CLR
+#define __FD_CLR(fd, fdsetp) \
+ (((fd_set *)fdsetp)->fds_bits[fd >> 5] &= ~(1<<(fd & 31)))
+
+#undef __FD_ISSET
+#define __FD_ISSET(fd, fdsetp) \
+ ((((fd_set *)fdsetp)->fds_bits[fd >> 5] & (1<<(fd & 31))) != 0)
+
+#undef __FD_ZERO
+#define __FD_ZERO(fdsetp) \
+ (memset (fdsetp, 0, sizeof (*(fd_set *)fdsetp)))
+
+#endif
+
+#endif /* __ASM_ARC_POSIX_TYPES_H */
diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h
new file mode 100644
index 0000000..3b2df87
--- /dev/null
+++ b/arch/arc/include/asm/ptrace.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_PTRACE_H
+#define __ASM_ARC_PTRACE_H
+
+#ifndef __ASSEMBLY__
+
+/* THE pt_regs: Defines how regs are saved during entry into kernel */
+
+struct pt_regs {
+ /* Real registers */
+ long bta; /* bta_l1, bta_l2, erbta */
+
+ long lp_start, lp_end, lp_count;
+
+ long status32; /* status32_l1, status32_l2, erstatus */
+ long ret; /* ilink1, ilink2 or eret */
+ long blink;
+ long fp;
+ long r26; /* gp */
+
+ long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0;
+
+ long sp; /* user/kernel sp depending on where we came from */
+ long orig_r0;
+
+ /*
+ * To distinguish bet excp, syscall, irq
+ * For traps and exceptions, Exception Cause Register.
+ * ECR: <00> <VV> <CC> <PP>
+ * Last word used by Linux for extra state mgmt (syscall-restart)
+ * For interrupts, use artificial ECR values to note current prio-level
+ */
+ union {
+ struct {
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ unsigned long state:8, ecr_vec:8,
+ ecr_cause:8, ecr_param:8;
+#else
+ unsigned long ecr_param:8, ecr_cause:8,
+ ecr_vec:8, state:8;
+#endif
+ };
+ unsigned long event;
+ };
+
+ long user_r25;
+};
+
+/* Callee saved registers - need to be saved only when you are scheduled out */
+
+struct callee_regs {
+ long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13;
+};
+
+#define instruction_pointer(regs) ((regs)->ret)
+#define profile_pc(regs) instruction_pointer(regs)
+
+/* return 1 if user mode or 0 if kernel mode */
+#define user_mode(regs) (regs->status32 & STATUS_U_MASK)
+
+#define user_stack_pointer(regs)\
+({ unsigned int sp; \
+ if (user_mode(regs)) \
+ sp = (regs)->sp;\
+ else \
+ sp = -1; \
+ sp; \
+})
+
+/* return 1 if PC in delay slot */
+#define delay_mode(regs) ((regs->status32 & STATUS_DE_MASK) == STATUS_DE_MASK)
+
+#define in_syscall(regs) ((regs->ecr_vec == ECR_V_TRAP) && !regs->ecr_param)
+#define in_brkpt_trap(regs) ((regs->ecr_vec == ECR_V_TRAP) && regs->ecr_param)
+
+#define STATE_SCALL_RESTARTED 0x01
+
+#define syscall_wont_restart(reg) (reg->state |= STATE_SCALL_RESTARTED)
+#define syscall_restartable(reg) !(reg->state & STATE_SCALL_RESTARTED)
+
+#define current_pt_regs() \
+({ \
+ /* open-coded current_thread_info() */ \
+ register unsigned long sp asm ("sp"); \
+ unsigned long pg_start = (sp & ~(THREAD_SIZE - 1)); \
+ (struct pt_regs *)(pg_start + THREAD_SIZE) - 1; \
+})
+
+static inline long regs_return_value(struct pt_regs *regs)
+{
+ return regs->r0;
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __ASM_ARC_PTRACE_H */
diff --git a/arch/arc/include/asm/sections.h b/arch/arc/include/asm/sections.h
new file mode 100644
index 0000000..2b8c516
--- /dev/null
+++ b/arch/arc/include/asm/sections.h
@@ -0,0 +1 @@
+#include <asm-generic/sections.h>
diff --git a/arch/arc/include/asm/string.h b/arch/arc/include/asm/string.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/arc/include/asm/types.h b/arch/arc/include/asm/types.h
new file mode 100644
index 0000000..7475db1
--- /dev/null
+++ b/arch/arc/include/asm/types.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_TYPES_H
+#define __ASM_ARC_TYPES_H
+
+typedef unsigned short umode_t;
+
+/*
+ * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
+ * header files exported to user space
+ */
+
+typedef __signed__ char __s8;
+typedef unsigned char __u8;
+
+typedef __signed__ short __s16;
+typedef unsigned short __u16;
+
+typedef __signed__ int __s32;
+typedef unsigned int __u32;
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+typedef __signed__ long long __s64;
+typedef unsigned long long __u64;
+#endif
+
+/*
+ * These aren't exported outside the kernel to avoid name space clashes
+ */
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed int s32;
+typedef unsigned int u32;
+
+typedef signed long long s64;
+typedef unsigned long long u64;
+
+#define BITS_PER_LONG 32
+
+/* Dma addresses are 32-bits wide. */
+
+typedef u32 dma_addr_t;
+
+typedef unsigned long phys_addr_t;
+typedef unsigned long phys_size_t;
+
+#endif /* __ASM_ARC_TYPES_H */
diff --git a/arch/arc/include/asm/u-boot.h b/arch/arc/include/asm/u-boot.h
new file mode 100644
index 0000000..e354edf
--- /dev/null
+++ b/arch/arc/include/asm/u-boot.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_U_BOOT_H__
+#define __ASM_ARC_U_BOOT_H__
+
+#include <asm-generic/u-boot.h>
+
+/* For image.h:image_check_target_arch() */
+#define IH_ARCH_DEFAULT IH_ARCH_ARC
+
+#endif /* __ASM_ARC_U_BOOT_H__ */
diff --git a/arch/arc/include/asm/unaligned.h b/arch/arc/include/asm/unaligned.h
new file mode 100644
index 0000000..6cecbbb
--- /dev/null
+++ b/arch/arc/include/asm/unaligned.h
@@ -0,0 +1 @@
+#include <asm-generic/unaligned.h>
--
1.8.5.3
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