1 // SPDX-License-Identifier: GPL-2.0-or-later 2 3 #include <stddef.h> 4 #include "stdio.h" 5 #include "types.h" 6 #include "io.h" 7 #include "ops.h" 8 9 BSS_STACK(8192); 10 platform_init(unsigned long r3,unsigned long r4,unsigned long r5)11void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) 12 { 13 unsigned long heapsize = 16*1024*1024 - (unsigned long)_end; 14 15 /* 16 * Disable interrupts and turn off MSR_RI, since we'll 17 * shortly be overwriting the interrupt vectors. 18 */ 19 __asm__ volatile("mtmsrd %0,1" : : "r" (0)); 20 21 simple_alloc_init(_end, heapsize, 32, 64); 22 fdt_init(_dtb_start); 23 serial_console_init(); 24 } 25