From 494fffe70d6ebb4e4bffa4dc0a55df6b2b9a58d9 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 22 Aug 2017 14:58:53 +0200 Subject: arm64: zynqmp: Add support for CG/EG/EV device detection Version string has unused fields 31:20 which can be used for exporting 9 bits from efuse IPDISABLE regs to recognize eg/cg/ev devices. These efuse bits are setup for certain devices. Signed-off-by: Michal Simek --- arch/arm/include/asm/arch-zynqmp/hardware.h | 2 ++ arch/arm/include/asm/arch-zynqmp/sys_proto.h | 1 + 2 files changed, 3 insertions(+) (limited to 'arch') diff --git a/arch/arm/include/asm/arch-zynqmp/hardware.h b/arch/arm/include/asm/arch-zynqmp/hardware.h index 5f2c98d633e..327046bf1b2 100644 --- a/arch/arm/include/asm/arch-zynqmp/hardware.h +++ b/arch/arm/include/asm/arch-zynqmp/hardware.h @@ -128,6 +128,8 @@ struct apu_regs { #define ZYNQMP_CSU_VERSION_VELOCE 0x2 #define ZYNQMP_CSU_VERSION_QEMU 0x3 +#define ZYNQMP_CSU_VERSION_EMPTY_SHIFT 20 + #define ZYNQMP_SILICON_VER_MASK 0xF000 #define ZYNQMP_SILICON_VER_SHIFT 12 diff --git a/arch/arm/include/asm/arch-zynqmp/sys_proto.h b/arch/arm/include/asm/arch-zynqmp/sys_proto.h index db1d5ef306f..f256c7d4a99 100644 --- a/arch/arm/include/asm/arch-zynqmp/sys_proto.h +++ b/arch/arm/include/asm/arch-zynqmp/sys_proto.h @@ -15,6 +15,7 @@ enum { IDCODE, VERSION, + IDCODE2, }; enum { -- cgit v1.3.1