From 84c7204bd18a0051a353c7a6f65a5666e1af9501 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 15 Jan 2015 10:01:51 +0100 Subject: arm64: Add Xilinx ZynqMP support Add basic Xilinx ZynqMP arm64 support. Serial and SD is supported. It supports emulation platfrom ep108 and QEMU. Signed-off-by: Michal Simek Reviewed-by: Tom Rini --- arch/arm/cpu/armv8/zynqmp/cpu.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/arm/cpu/armv8/zynqmp/cpu.c (limited to 'arch/arm/cpu/armv8/zynqmp/cpu.c') 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 + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include + +#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; +} -- cgit v1.2.1