mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-27 21:43:45 +00:00
cd357ad112
Rename mx8m,MX8M to imx8m,IMX8M Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Jon Nettleton <jon@solid-run.com>
62 lines
1.2 KiB
ArmAsm
62 lines
1.2 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright 2017 NXP
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
.align 8
|
|
.global rom_pointer
|
|
rom_pointer:
|
|
.space 256
|
|
|
|
/*
|
|
* Routine: save_boot_params (called after reset from start.S)
|
|
*/
|
|
|
|
.global save_boot_params
|
|
save_boot_params:
|
|
/* The firmware provided ATAG/FDT address can be found in r2/x0 */
|
|
adr x0, rom_pointer
|
|
stp x1, x2, [x0], #16
|
|
stp x3, x4, [x0], #16
|
|
stp x5, x6, [x0], #16
|
|
stp x7, x8, [x0], #16
|
|
stp x9, x10, [x0], #16
|
|
stp x11, x12, [x0], #16
|
|
stp x13, x14, [x0], #16
|
|
stp x15, x16, [x0], #16
|
|
stp x17, x18, [x0], #16
|
|
stp x19, x20, [x0], #16
|
|
stp x21, x22, [x0], #16
|
|
stp x23, x24, [x0], #16
|
|
stp x25, x26, [x0], #16
|
|
stp x27, x28, [x0], #16
|
|
stp x29, x30, [x0], #16
|
|
mov x30, sp
|
|
str x30, [x0], #8
|
|
|
|
/* Returns */
|
|
b save_boot_params_ret
|
|
|
|
.global restore_boot_params
|
|
restore_boot_params:
|
|
adr x0, rom_pointer
|
|
ldp x1, x2, [x0], #16
|
|
ldp x3, x4, [x0], #16
|
|
ldp x5, x6, [x0], #16
|
|
ldp x7, x8, [x0], #16
|
|
ldp x9, x10, [x0], #16
|
|
ldp x11, x12, [x0], #16
|
|
ldp x13, x14, [x0], #16
|
|
ldp x15, x16, [x0], #16
|
|
ldp x17, x18, [x0], #16
|
|
ldp x19, x20, [x0], #16
|
|
ldp x21, x22, [x0], #16
|
|
ldp x23, x24, [x0], #16
|
|
ldp x25, x26, [x0], #16
|
|
ldp x27, x28, [x0], #16
|
|
ldp x29, x30, [x0], #16
|
|
ldr x0, [x0]
|
|
mov sp, x0
|
|
ret
|