Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * AP325RXA sdram self/auto-refresh setup code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Copyright (C) 2009 Magnus Damm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/sys.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <asm/asm-offsets.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <asm/suspend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/romimage-macros.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /* code to enter and leave self-refresh. must be self-contained.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * this code will be copied to on-chip memory and executed from there.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	.balign 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) ENTRY(ap325rxa_sdram_enter_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	/* SBSC: disable power down and put in self-refresh mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	mov.l	1f, r4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	mov.l	2f, r1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	mov.l	@r4, r2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	or	r1, r2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	mov.l   3f, r3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	and	r3, r2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	mov.l	r2, @r4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	rts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	 nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	.balign 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 1:	.long	0xfe400008 /* SDCR0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 2:	.long	0x00000400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 3:	.long	0xffff7fff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) ENTRY(ap325rxa_sdram_enter_end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	.balign 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) ENTRY(ap325rxa_sdram_leave_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	/* SBSC: set auto-refresh mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	mov.l	1f, r4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	mov.l	@r4, r0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 	mov.l   4f, r1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	and	r1, r0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	mov.l	r0, @r4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	mov.l	6f, r4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	mov.l	8f, r0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	mov.l	@r4, r1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	mov	#-1, r4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	add	r4, r1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	or	r1, r0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	mov.l	7f, r1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	mov.l	r0, @r1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	rts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	 nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	.balign 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 1:	.long	0xfe400008 /* SDCR0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 4:	.long	0xfffffbff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 6:	.long   0xfe40001c /* RTCOR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 7:	.long   0xfe400018 /* RTCNT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 8:	.long   0xa55a0000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) ENTRY(ap325rxa_sdram_leave_end)