Merge tag 'xtensa-20190715' of git://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa updates from Max Filippov:

 - clean up PCI support code

 - add defconfig and DTS for the 'virt' board

 - abstract 'entry' and 'retw' uses in xtensa assembly in preparation
   for XEA3/NX pipeline support

 - random small cleanups

* tag 'xtensa-20190715' of git://github.com/jcmvbkbc/linux-xtensa:
  xtensa: virt: add defconfig and DTS
  xtensa: abstract 'entry' and 'retw' in assembly code
  xtensa: One function call less in bootmem_init()
  xtensa: remove arch/xtensa/include/asm/types.h
  xtensa: use generic pcibios_set_master and pcibios_enable_device
  xtensa: drop dead PCI support code
  xtensa/PCI: Remove unused variable

arch/xtensa/include/asm/asmmacro.h

@@ -191,4 +191,50 @@
 #endif
 	.endm
 
+#define XTENSA_STACK_ALIGNMENT		16
+
+#if defined(__XTENSA_WINDOWED_ABI__)
+#define XTENSA_FRAME_SIZE_RESERVE	16
+#define XTENSA_SPILL_STACK_RESERVE	32
+
+#define abi_entry(frame_size) \
+	entry sp, (XTENSA_FRAME_SIZE_RESERVE + \
+		   (((frame_size) + XTENSA_STACK_ALIGNMENT - 1) & \
+		    -XTENSA_STACK_ALIGNMENT))
+#define abi_entry_default abi_entry(0)
+
+#define abi_ret(frame_size) retw
+#define abi_ret_default retw
+
+#elif defined(__XTENSA_CALL0_ABI__)
+
+#define XTENSA_SPILL_STACK_RESERVE	0
+
+#define abi_entry(frame_size) __abi_entry (frame_size)
+
+	.macro	__abi_entry frame_size
+	.ifgt \frame_size
+	addi sp, sp, -(((\frame_size) + XTENSA_STACK_ALIGNMENT - 1) & \
+		       -XTENSA_STACK_ALIGNMENT)
+	.endif
+	.endm
+
+#define abi_entry_default
+
+#define abi_ret(frame_size) __abi_ret (frame_size)
+
+	.macro	__abi_ret frame_size
+	.ifgt \frame_size
+	addi sp, sp, (((\frame_size) + XTENSA_STACK_ALIGNMENT - 1) & \
+		      -XTENSA_STACK_ALIGNMENT)
+	.endif
+	ret
+	.endm
+
+#define abi_ret_default ret
+
+#else
+#error Unsupported Xtensa ABI
+#endif
+
 #endif /* _XTENSA_ASMMACRO_H */

arch/xtensa/include/asm/platform.h

@@ -54,16 +54,6 @@ extern void platform_idle (void);
  */
 extern void platform_heartbeat (void);
 
-/*
- * platform_pcibios_init is called to allow the platform to setup the pci bus.
- */
-extern void platform_pcibios_init (void);
-
-/*
- * platform_pcibios_fixup allows to modify the PCI configuration.
- */
-extern int platform_pcibios_fixup (void);
-
 /*
  * platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE)
  */

arch/xtensa/include/asm/types.h

@@ -1,23 +0,0 @@
-/*
- * include/asm-xtensa/types.h
- *
- * 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.
- *
- * Copyright (C) 2001 - 2005 Tensilica Inc.
- */
-#ifndef _XTENSA_TYPES_H
-#define _XTENSA_TYPES_H
-
-#include <uapi/asm/types.h>
-
-#ifndef __ASSEMBLY__
-/*
- * These aren't exported outside the kernel to avoid name space clashes
- */
-
-#define BITS_PER_LONG 32
-
-#endif
-#endif	/* _XTENSA_TYPES_H */