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| author | Lucas Stach <dev@lynxeye.de> | 2020-01-06 21:29:44 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-01-08 12:24:55 +0100 |
| commit | 536a4a5b5dade4e8e6ec37ff48fd4a8d4cdca860 (patch) | |
| tree | 82f33ba1acbb98d6f3ffe2ffe2115cb309eef173 | |
| parent | b53e8d86c00eed24574ba57ff87f3af5ed7aa816 (diff) | |
| download | barebox-536a4a5b5dade4e8e6ec37ff48fd4a8d4cdca860.tar.gz barebox-536a4a5b5dade4e8e6ec37ff48fd4a8d4cdca860.tar.xz | |
ARM: zynq: add Zynq specific lowlevel CPU init function
This adds a Zynq specific CPU lowlevel init function, which applies
the required workarounds for the Cortex A9 r3p0 core.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/mach-zynq/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/cpu_init.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/include/mach/init.h | 8 |
3 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-zynq/Makefile b/arch/arm/mach-zynq/Makefile index c88ab4666f..06c2ce996c 100644 --- a/arch/arm/mach-zynq/Makefile +++ b/arch/arm/mach-zynq/Makefile @@ -1 +1,2 @@ obj-y += zynq.o bootm-zynqimg.o +lwl-y += cpu_init.o diff --git a/arch/arm/mach-zynq/cpu_init.c b/arch/arm/mach-zynq/cpu_init.c new file mode 100644 index 0000000000..ec5ee59e16 --- /dev/null +++ b/arch/arm/mach-zynq/cpu_init.c @@ -0,0 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <common.h> +#include <asm/barebox-arm-head.h> +#include <asm/errata.h> +#include <mach/init.h> + +void zynq_cpu_lowlevel_init(void) +{ + arm_cpu_lowlevel_init(); + + enable_arm_errata_761320_war(); + enable_arm_errata_794072_war(); + enable_arm_errata_845369_war(); +} diff --git a/arch/arm/mach-zynq/include/mach/init.h b/arch/arm/mach-zynq/include/mach/init.h new file mode 100644 index 0000000000..c458f602e4 --- /dev/null +++ b/arch/arm/mach-zynq/include/mach/init.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __MACH_INIT_H +#define __MACH_INIT_H + +void zynq_cpu_lowlevel_init(void); + +#endif |