1 /* 2 * Microwatt FPGA-based SoC platform setup code. 3 * 4 * Copyright 2020 Paul Mackerras (paulus@ozlabs.org), IBM Corp. 5 */ 6 7 #include <linux/types.h> 8 #include <linux/kernel.h> 9 #include <linux/stddef.h> 10 #include <linux/init.h> 11 #include <linux/of.h> 12 #include <linux/of_platform.h> 13 14 #include <asm/machdep.h> 15 #include <asm/time.h> 16 #include <asm/xics.h> 17 #include <asm/udbg.h> 18 19 #include "microwatt.h" 20 21 static void __init microwatt_init_IRQ(void) 22 { 23 xics_init(); 24 } 25 26 static int __init microwatt_probe(void) 27 { 28 return of_machine_is_compatible("microwatt-soc"); 29 } 30 31 static int __init microwatt_populate(void) 32 { 33 return of_platform_default_populate(NULL, NULL, NULL); 34 } 35 machine_arch_initcall(microwatt, microwatt_populate); 36 37 static void __init microwatt_setup_arch(void) 38 { 39 microwatt_rng_init(); 40 } 41 42 define_machine(microwatt) { 43 .name = "microwatt", 44 .probe = microwatt_probe, 45 .init_IRQ = microwatt_init_IRQ, 46 .setup_arch = microwatt_setup_arch, 47 .progress = udbg_progress, 48 .calibrate_decr = generic_calibrate_decr, 49 }; 50