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) /* Bootloader to resume MIO A701
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * 2007-1-12 Robert Jarzmik
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <asm/assembler.h>
^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)  * Note: Yes, part of the following code is located into the .data section.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  *       This is to allow jumpaddr to be accessed with a relative load
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  *       while we can't rely on any MMU translation.  We could have put
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  *       sleep_save_sp in the .text section as well, but some setups might
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  *       insist on it to be truly read-only.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	.data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	.align	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) ENTRY(mioa701_bootstrap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	b	1f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) ENTRY(mioa701_jumpaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	.word	0x40f00008		@ PSPR in no-MMU mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	mov	r0,     #0xa0000000	@ Don't suppose memory access works
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	orr	r0, r0, #0x00200000	@ even if it's supposed to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	orr	r0, r0, #0x0000b000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	mov	r1, #0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	str	r1, [r0]		@ Early disable resume for next boot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	ldr	r0, mioa701_jumpaddr	@ (Murphy's Law)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	ldr	r0, [r0]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	ret	r0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) ENTRY(mioa701_bootstrap_lg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	.data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	.align	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	.word	2b-0b