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1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _SPARC64_SCRATCHPAD_H
3 #define _SPARC64_SCRATCHPAD_H
4 
5 /* Sun4v scratchpad registers, accessed via ASI_SCRATCHPAD.  */
6 
7 #define SCRATCHPAD_MMU_MISS	0x00 /* Shared with OBP - set by OBP	    */
8 #define SCRATCHPAD_CPUID	0x08 /* Shared with OBP - set by hypervisor */
9 #define SCRATCHPAD_UTSBREG1	0x10
10 #define SCRATCHPAD_UTSBREG2	0x18
11 	/* 0x20 and 0x28, hypervisor only... */
12 #define SCRATCHPAD_UNUSED1	0x30
13 #define SCRATCHPAD_UNUSED2	0x38 /* Reserved for OBP		    */
14 
15 #endif /* !(_SPARC64_SCRATCHPAD_H) */
16