diff options
| author | Weijie Gao <weijie.gao@mediatek.com> | 2018-11-15 10:07:53 +0800 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-11-28 23:04:50 -0500 |
| commit | 361e13f1d5c893caf40a6026405c0e1b615e90ea (patch) | |
| tree | df0edbe4275f4f05d0bfc92494615e746a994636 /arch/arm/mach-mediatek/mt7623/lowlevel_init.S | |
| parent | cbd2fba1eca11300649052e289685e7404e0b81c (diff) | |
arm: MediaTek: add basic support for MT7623 boards
This adds a general board file based on MT7623 SoCs from MediaTek.
As this u-boot is loaded by MTK proprietary preloader, there is no
low level initializtion codes.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Tested-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm/mach-mediatek/mt7623/lowlevel_init.S')
| -rw-r--r-- | arch/arm/mach-mediatek/mt7623/lowlevel_init.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-mediatek/mt7623/lowlevel_init.S b/arch/arm/mach-mediatek/mt7623/lowlevel_init.S new file mode 100644 index 0000000000..afb94767ee --- /dev/null +++ b/arch/arm/mach-mediatek/mt7623/lowlevel_init.S @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2018 MediaTek Inc. + */ + +#include <linux/linkage.h> + +.extern preloader_param + +ENTRY(save_boot_params) + ldr r6, =preloader_param + str r4, [r6] + b save_boot_params_ret +ENDPROC(save_boot_params) + +ENTRY(lowlevel_init) + /* enable SMP bit */ + mrc p15, 0, r0, c1, c0, 1 + orr r0, r0, #0x40 + mcr p15, 0, r0, c1, c0, 1 + mov pc, lr +ENDPROC(lowlevel_init) |