Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Enter and leave sleep state on chips with 6xx-style HID0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * power management bits, which don't leave sleep state via reset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Author: Scott Wood <scottwood@freescale.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Copyright (c) 2006-2007 Freescale Semiconductor, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <asm/ppc_asm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <asm/reg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/thread_info.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <asm/asm-offsets.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) _GLOBAL(mpc6xx_enter_standby)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	mflr	r4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	mfspr	r5, SPRN_HID0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	rlwinm	r5, r5, 0, ~(HID0_DOZE | HID0_NAP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	oris	r5, r5, HID0_SLEEP@h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	mtspr	SPRN_HID0, r5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	isync
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	lis	r5, ret_from_standby@h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	ori	r5, r5, ret_from_standby@l
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	mtlr	r5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	lwz	r6, TI_LOCAL_FLAGS(r2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	ori	r6, r6, _TLF_SLEEPING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	stw	r6, TI_LOCAL_FLAGS(r2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	mfmsr	r5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	ori	r5, r5, MSR_EE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	oris	r5, r5, MSR_POW@h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	sync
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	mtmsr	r5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	isync
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 1:	b	1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) ret_from_standby:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	mfspr	r5, SPRN_HID0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	rlwinm	r5, r5, 0, ~HID0_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	mtspr	SPRN_HID0, r5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	mtlr	r4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	blr