From 96a2859e54c8f6153ddb429ba730b324ab8ff352 Mon Sep 17 00:00:00 2001 From: Siva Durga Prasad Paladugu Date: Fri, 29 Nov 2013 19:01:25 +0530 Subject: ARM: zynq: Added efuse status register base address Added efuse status register base address. This register is used for determining whether efuse was blown or not. Also, added the zynq_get_silicon_version() to get the silicon version of the zynq board. Signed-off-by: Siva Durga Prasad Paladugu Signed-off-by: Michal Simek --- arch/arm/cpu/armv7/zynq/cpu.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'arch/arm/cpu/armv7/zynq') diff --git a/arch/arm/cpu/armv7/zynq/cpu.c b/arch/arm/cpu/armv7/zynq/cpu.c index 7626b5c..816d0c5 100644 --- a/arch/arm/cpu/armv7/zynq/cpu.c +++ b/arch/arm/cpu/armv7/zynq/cpu.c @@ -14,6 +14,9 @@ void lowlevel_init(void) { } +#define ZYNQ_SILICON_VER_MASK 0xF0000000 +#define ZYNQ_SILICON_VER_SHIFT 28 + int arch_cpu_init(void) { zynq_slcr_unlock(); @@ -42,6 +45,16 @@ int arch_cpu_init(void) return 0; } +unsigned int zynq_get_silicon_version(void) +{ + unsigned int ver; + + ver = (readl(&devcfg_base->mctrl) & + ZYNQ_SILICON_VER_MASK) >> ZYNQ_SILICON_VER_SHIFT; + + return ver; +} + void reset_cpu(ulong addr) { zynq_slcr_cpu_reset(); -- cgit v1.1