It is not useful if we only have one management CPU.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
[Palmer: Set default CPUs to 2]
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
* 1) CLINT (Core Level Interruptor)
* 2) PLIC (Platform Level Interrupt Controller)
*
- * This board currently uses a hardcoded devicetree that indicates one hart.
+ * This board currently generates devicetree dynamically that indicates at least
+ * two harts.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* management CPU.
*/
mc->max_cpus = 4;
+ mc->min_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + 1;
+ mc->default_cpus = mc->min_cpus;
}
DEFINE_MACHINE("sifive_u", riscv_sifive_u_machine_init)
SIFIVE_U_GEM_CLOCK_FREQ = 125000000
};
+#define SIFIVE_U_MANAGEMENT_CPU_COUNT 1
+
#define SIFIVE_U_PLIC_HART_CONFIG "MS"
#define SIFIVE_U_PLIC_NUM_SOURCES 54
#define SIFIVE_U_PLIC_NUM_PRIORITIES 7