riscv: Probe cpus during boot

This calls cpu_probe_all() to probe all available cpus.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Anup Patel <anup@brainfault.org>

diff --git a/arch/riscv/cpu/cpu.c b/arch/riscv/cpu/cpu.c
index d9f820c44c054dba9b6412e7d7a731d508ed6f5e..8286a0c959c1155a83b268f92c23e7a06161809e 100644 (file)
--- a/arch/riscv/cpu/cpu.c
+++ b/arch/riscv/cpu/cpu.c
@@ -4,6 +4,8 @@
  */
 
 #include <common.h>
+#include <cpu.h>
+#include <log.h>
 #include <asm/csr.h>
 
 /*
@@ -53,3 +55,27 @@ int print_cpuinfo(void)
 
        return 0;
 }
+
+static int riscv_cpu_probe(void)
+{
+#ifdef CONFIG_CPU
+       int ret;
+
+       /* probe cpus so that RISC-V timer can be bound */
+       ret = cpu_probe_all();
+       if (ret)
+               return log_msg_ret("RISC-V cpus probe failed\n", ret);
+#endif
+
+       return 0;
+}
+
+int arch_cpu_init_dm(void)
+{
+       return riscv_cpu_probe();
+}
+
+int arch_early_init_r(void)
+{
+       return riscv_cpu_probe();
+}

diff --git a/arch/riscv/cpu/qemu/Kconfig b/arch/riscv/cpu/qemu/Kconfig
index 2e953e172fd581a2a8dd371ae8a96a2d5a45c1f6..f48751e6de77aec33498e84f578b0eb1cc1fd617 100644 (file)
--- a/arch/riscv/cpu/qemu/Kconfig
+++ b/arch/riscv/cpu/qemu/Kconfig
@@ -4,6 +4,7 @@
 
 config QEMU_RISCV
        bool
+       select ARCH_EARLY_INIT_R
        imply CPU
        imply CPU_RISCV
        imply RISCV_TIMER