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| author | Tom Rini <trini@konsulko.com> | 2019-04-30 23:21:27 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-05-01 07:25:51 -0400 |
| commit | b4ee6daad7a2604ca9466b2ba48de86cc27d381f (patch) | |
| tree | f28b8d6bfeface9e9f188ffc37322c89e9d1fe77 /arch/arm/mach-imx/lowlevel.S | |
| parent | a69120a0d7c8d4044cdaceea9eb03913ba4e49c7 (diff) | |
| parent | 0d3912fcd41dc2a85891f78e8fc255a379323619 (diff) | |
Merge tag 'u-boot-imx-20190426' of git://git.denx.de/u-boot-imx
Porting to DM and i.MX8
------------------------
- warp7 to DM
- kp_imx53 to DM
- Warnings in DT
- MX8QM support
- colibri-imx6ull to DM
- imx7d-pico to DM
- ocotp for MX8
Diffstat (limited to 'arch/arm/mach-imx/lowlevel.S')
| -rw-r--r-- | arch/arm/mach-imx/lowlevel.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/lowlevel.S b/arch/arm/mach-imx/lowlevel.S new file mode 100644 index 0000000000..158fdb7d87 --- /dev/null +++ b/arch/arm/mach-imx/lowlevel.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2019 NXP + */ + +#include <linux/linkage.h> + +ENTRY(lowlevel_init) + mrs x0, CurrentEL + cmp x0, #8 + b.eq 1f + ret +1: + msr daifclr, #4 + + /* set HCR_EL2.AMO to catch SERROR */ + mrs x0, hcr_el2 + orr x0, x0, #0x20 + msr hcr_el2, x0 + isb + ret +ENDPROC(lowlevel_init) |