diff options
Diffstat (limited to 'plat/arm/css/sgi/aarch64/sgi_helper.S')
| -rw-r--r-- | plat/arm/css/sgi/aarch64/sgi_helper.S | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/plat/arm/css/sgi/aarch64/sgi_helper.S b/plat/arm/css/sgi/aarch64/sgi_helper.S index 04bfb7771..ced59e8dd 100644 --- a/plat/arm/css/sgi/aarch64/sgi_helper.S +++ b/plat/arm/css/sgi/aarch64/sgi_helper.S @@ -9,6 +9,8 @@ #include <platform_def.h> #include <cortex_a75.h> #include <neoverse_n1.h> +#include <neoverse_v1.h> +#include <neoverse_n2.h> #include <cpu_macros.S> .globl plat_arm_calc_core_pos @@ -66,6 +68,8 @@ endfunc plat_arm_calc_core_pos func plat_reset_handler jump_if_cpu_midr CORTEX_A75_MIDR, A75 jump_if_cpu_midr NEOVERSE_N1_MIDR, N1 + jump_if_cpu_midr NEOVERSE_V1_MIDR, V1 + jump_if_cpu_midr NEOVERSE_N2_MIDR, N2 ret /* ----------------------------------------------------- @@ -85,4 +89,18 @@ N1: msr NEOVERSE_N1_CPUPWRCTLR_EL1, x0 isb ret + +V1: + mrs x0, NEOVERSE_V1_CPUPWRCTLR_EL1 + bic x0, x0, #NEOVERSE_V1_CPUPWRCTLR_EL1_CORE_PWRDN_BIT + msr NEOVERSE_V1_CPUPWRCTLR_EL1, x0 + isb + ret + +N2: + mrs x0, NEOVERSE_N2_CPUPWRCTLR_EL1 + bic x0, x0, #NEOVERSE_N2_CORE_PWRDN_EN_BIT + msr NEOVERSE_N2_CPUPWRCTLR_EL1, x0 + isb + ret endfunc plat_reset_handler |