diff options
Diffstat (limited to 'arch/arm/cpu/armv8/zynqmp/cpu.c')
-rw-r--r-- | arch/arm/cpu/armv8/zynqmp/cpu.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c new file mode 100644 index 0000000000..6fae03c1af --- /dev/null +++ b/arch/arm/cpu/armv8/zynqmp/cpu.c @@ -0,0 +1,28 @@ +/* + * (C) Copyright 2014 - 2015 Xilinx, Inc. + * Michal Simek <michal.simek@xilinx.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/hardware.h> +#include <asm/arch/sys_proto.h> +#include <asm/io.h> + +#define ZYNQ_SILICON_VER_MASK 0xF000 +#define ZYNQ_SILICON_VER_SHIFT 12 + +DECLARE_GLOBAL_DATA_PTR; + +unsigned int zynqmp_get_silicon_version(void) +{ + gd->cpu_clk = get_tbclk(); + + switch (gd->cpu_clk) { + case 50000000: + return ZYNQMP_CSU_VERSION_QEMU; + } + + return ZYNQMP_CSU_VERSION_EP108; +} |