diff options
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/mp.c | 15 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-zynqmp/sys_proto.h | 7 |
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/zynqmp/mp.c b/arch/arm/cpu/armv8/zynqmp/mp.c index e10fc31..76f889b 100644 --- a/arch/arm/cpu/armv8/zynqmp/mp.c +++ b/arch/arm/cpu/armv8/zynqmp/mp.c @@ -206,6 +206,21 @@ static void write_tcm_boot_trampoline(u32 boot_addr) } } +void initialize_tcm(bool mode) +{ + if (!mode) { + set_r5_tcm_mode(LOCK); + set_r5_halt_mode(HALT, LOCK); + enable_clock_r5(); + release_r5_reset(LOCK); + } else { + set_r5_tcm_mode(SPLIT); + set_r5_halt_mode(HALT, SPLIT); + enable_clock_r5(); + release_r5_reset(SPLIT); + } +} + int cpu_release(int nr, int argc, char * const argv[]) { if (nr >= ZYNQMP_CORE_APU0 && nr <= ZYNQMP_CORE_APU3) { diff --git a/arch/arm/include/asm/arch-zynqmp/sys_proto.h b/arch/arm/include/asm/arch-zynqmp/sys_proto.h index d91d98a..3d7fad7 100644 --- a/arch/arm/include/asm/arch-zynqmp/sys_proto.h +++ b/arch/arm/include/asm/arch-zynqmp/sys_proto.h @@ -10,6 +10,11 @@ #define PAYLOAD_ARG_CNT 5 +enum { + TCM_LOCK, + TCM_SPLIT, +}; + int zynq_slcr_get_mio_pin_status(const char *periph); unsigned int zynqmp_get_silicon_version(void); @@ -24,4 +29,6 @@ int zynqmp_mmio_read(const u32 address, u32 *value); int invoke_smc(u32 pm_api_id, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 *ret_payload); +void initialize_tcm(bool mode); + #endif /* _ASM_ARCH_SYS_PROTO_H */ |