xtensa: replace variant/core.h with asm/core.h

Introduce the header arch/xtensa/include/asm/core.h that provides
definitions for XCHAL macros missing in older xtensa releases. Use this
header instead of variant/core.h
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

arch/xtensa/boot/boot-redboot/bootstrap.S

 /* SPDX-License-Identifier: GPL-2.0 */
-#include <variant/core.h>
+#include <asm/core.h>
 #include <asm/regs.h>
 #include <asm/asmmacro.h>
 #include <asm/cacheasm.h>

arch/xtensa/include/asm/asmmacro.h

@@ -11,7 +11,7 @@
 #ifndef _XTENSA_ASMMACRO_H
 #define _XTENSA_ASMMACRO_H
 
-#include <variant/core.h>
+#include <asm/core.h>
 
 /*
  * Some little helpers for loops. Use zero-overhead-loops

arch/xtensa/include/asm/cache.h

@@ -11,7 +11,7 @@
 #ifndef _XTENSA_CACHE_H
 #define _XTENSA_CACHE_H
 
-#include <variant/core.h>
+#include <asm/core.h>
 
 #define L1_CACHE_SHIFT	XCHAL_DCACHE_LINEWIDTH
 #define L1_CACHE_BYTES	XCHAL_DCACHE_LINESIZE

arch/xtensa/include/asm/checksum.h

@@ -13,7 +13,7 @@
 
 #include <linux/in6.h>
 #include <linux/uaccess.h>
-#include <variant/core.h>
+#include <asm/core.h>
 
 /*
  * computes the checksum of a memory block at buff, length len,

arch/xtensa/include/asm/coprocessor.h

@@ -12,8 +12,8 @@
 #ifndef _XTENSA_COPROCESSOR_H
 #define _XTENSA_COPROCESSOR_H
 
-#include <variant/core.h>
 #include <variant/tie.h>
+#include <asm/core.h>
 #include <asm/types.h>
 
 #ifdef __ASSEMBLY__

arch/xtensa/include/asm/core.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2019 Cadence Design Systems Inc. */
+
+#ifndef _ASM_XTENSA_CORE_H
+#define _ASM_XTENSA_CORE_H
+
+#include <variant/core.h>
+
+#ifndef XCHAL_SPANNING_WAY
+#define XCHAL_SPANNING_WAY 0
+#endif
+
+#endif

arch/xtensa/include/asm/initialize_mmu.h

@@ -33,10 +33,6 @@
 #define CA_WRITEBACK	(0x4)
 #endif
 
-#ifndef XCHAL_SPANNING_WAY
-#define XCHAL_SPANNING_WAY 0
-#endif
-
 #ifdef __ASSEMBLY__
 
 #define XTENSA_HWVERSION_RC_2009_0 230000

arch/xtensa/include/asm/irq.h

@@ -12,7 +12,7 @@
 #define _XTENSA_IRQ_H
 
 #include <linux/init.h>
-#include <variant/core.h>
+#include <asm/core.h>
 
 #ifdef CONFIG_PLATFORM_NR_IRQS
 # define PLATFORM_NR_IRQS CONFIG_PLATFORM_NR_IRQS

arch/xtensa/include/asm/processor.h

@@ -10,7 +10,7 @@
 #ifndef _XTENSA_PROCESSOR_H
 #define _XTENSA_PROCESSOR_H
 
-#include <variant/core.h>
+#include <asm/core.h>
 
 #include <linux/compiler.h>
 #include <linux/stringify.h>

arch/xtensa/include/asm/ptrace.h

@@ -80,7 +80,7 @@ struct pt_regs {
 	unsigned long areg[16];
 };
 
-#include <variant/core.h>
+#include <asm/core.h>
 
 # define arch_has_single_step()	(1)
 # define task_pt_regs(tsk) ((struct pt_regs*) \

arch/xtensa/include/asm/vectors.h

@@ -18,7 +18,7 @@
 #ifndef _XTENSA_VECTORS_H
 #define _XTENSA_VECTORS_H
 
-#include <variant/core.h>
+#include <asm/core.h>
 #include <asm/kmem_layout.h>
 
 #if XCHAL_HAVE_PTP_MMU

arch/xtensa/kernel/hw_breakpoint.c

@@ -12,7 +12,7 @@
 #include <linux/log2.h>
 #include <linux/percpu.h>
 #include <linux/perf_event.h>
-#include <variant/core.h>
+#include <asm/core.h>
 
 /* Breakpoint currently in use for each IBREAKA. */
 static DEFINE_PER_CPU(struct perf_event *, bp_on_reg[XCHAL_NUM_IBREAK]);

arch/xtensa/kernel/vmlinux.lds.S

@@ -18,8 +18,8 @@
 #include <asm/page.h>
 #include <asm/thread_info.h>
 
+#include <asm/core.h>
 #include <asm/vectors.h>
-#include <variant/core.h>
 
 OUTPUT_ARCH(xtensa)
 ENTRY(_start)

arch/xtensa/lib/checksum.S

@@ -16,8 +16,8 @@
 
 #include <linux/errno.h>
 #include <linux/linkage.h>
-#include <variant/core.h>
 #include <asm/asmmacro.h>
+#include <asm/core.h>
 
 /*
  * computes a partial checksum, e.g. for TCP/UDP fragments

arch/xtensa/lib/memcopy.S

@@ -10,8 +10,8 @@
  */
 
 #include <linux/linkage.h>
-#include <variant/core.h>
 #include <asm/asmmacro.h>
+#include <asm/core.h>
 
 /*
  * void *memcpy(void *dst, const void *src, size_t len);

arch/xtensa/lib/memset.S

@@ -12,8 +12,8 @@
  */
 
 #include <linux/linkage.h>
-#include <variant/core.h>
 #include <asm/asmmacro.h>
+#include <asm/core.h>
 
 /*
  * void *memset(void *dst, int c, size_t length)

arch/xtensa/lib/strncpy_user.S

@@ -13,8 +13,8 @@
 
 #include <linux/errno.h>
 #include <linux/linkage.h>
-#include <variant/core.h>
 #include <asm/asmmacro.h>
+#include <asm/core.h>
 
 /*
  * char *__strncpy_user(char *dst, const char *src, size_t len)

arch/xtensa/lib/strnlen_user.S

@@ -12,8 +12,8 @@
  */
 
 #include <linux/linkage.h>
-#include <variant/core.h>
 #include <asm/asmmacro.h>
+#include <asm/core.h>
 
 /*
  * size_t __strnlen_user(const char *s, size_t len)

arch/xtensa/lib/usercopy.S

@@ -54,8 +54,8 @@
  */
 
 #include <linux/linkage.h>
-#include <variant/core.h>
 #include <asm/asmmacro.h>
+#include <asm/core.h>
 
 	.text
 ENTRY(__xtensa_copy_user)

arch/xtensa/platforms/xt2000/include/platform/hardware.h

@@ -15,7 +15,7 @@
 #ifndef _XTENSA_XT2000_HARDWARE_H
 #define _XTENSA_XT2000_HARDWARE_H
 
-#include <variant/core.h>
+#include <asm/core.h>
 
 /*
  * On-board components.

arch/xtensa/platforms/xt2000/include/platform/serial.h

@@ -11,7 +11,7 @@
 #ifndef _XTENSA_XT2000_SERIAL_H
 #define _XTENSA_XT2000_SERIAL_H
 
-#include <variant/core.h>
+#include <asm/core.h>
 #include <asm/io.h>
 
 /*  National-Semi PC16552D DUART:  */