diff options
Diffstat (limited to 'arch/arm/cpu/armv7/zynq/cpu.c')
-rw-r--r-- | arch/arm/cpu/armv7/zynq/cpu.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/zynq/cpu.c b/arch/arm/cpu/armv7/zynq/cpu.c index 7626b5c1a3..816d0c5da7 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(); |