diff options
Diffstat (limited to 'arch/arm/cpu/armv8/zynqmp/cpu.c')
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/cpu.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c index f90cca36aa..c71f29152d 100644 --- a/arch/arm/cpu/armv8/zynqmp/cpu.c +++ b/arch/arm/cpu/armv8/zynqmp/cpu.c @@ -15,8 +15,22 @@ DECLARE_GLOBAL_DATA_PTR; +static unsigned int zynqmp_get_silicon_version_secure(void) +{ + u32 ver; + + ver = readl(&csu_base->version); + ver &= ZYNQMP_SILICON_VER_MASK; + ver >>= ZYNQMP_SILICON_VER_SHIFT; + + return ver; +} + unsigned int zynqmp_get_silicon_version(void) { + if (current_el() == 3) + return zynqmp_get_silicon_version_secure(); + gd->cpu_clk = get_tbclk(); switch (gd->cpu_clk) { @@ -24,9 +38,11 @@ unsigned int zynqmp_get_silicon_version(void) return ZYNQMP_CSU_VERSION_VELOCE; case 50000000: return ZYNQMP_CSU_VERSION_QEMU; + case 4000000: + return ZYNQMP_CSU_VERSION_EP108; } - return ZYNQMP_CSU_VERSION_EP108; + return ZYNQMP_CSU_VERSION_SILICON; } #ifndef CONFIG_SYS_DCACHE_OFF |