1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Embedded Planet EP88xC with PlanetCore firmware 4 * 5 * Author: Scott Wood <scottwood@freescale.com> 6 * 7 * Copyright (c) 2007 Freescale Semiconductor, Inc. 8 */ 9 10 #include "ops.h" 11 #include "stdio.h" 12 #include "planetcore.h" 13 #include "mpc8xx.h" 14 15 static char *table; 16 static u64 mem_size; 17 18 static void platform_fixups(void) 19 { 20 u64 val; 21 22 dt_fixup_memory(0, mem_size); 23 planetcore_set_mac_addrs(table); 24 25 if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) { 26 printf("No PlanetCore crystal frequency key.\r\n"); 27 return; 28 } 29 30 mpc885_fixup_clocks(val); 31 } 32 33 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, 34 unsigned long r6, unsigned long r7) 35 { 36 table = (char *)r3; 37 planetcore_prepare_table(table); 38 39 if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size)) 40 return; 41 42 mem_size *= 1024 * 1024; 43 simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64); 44 45 fdt_init(_dtb_start); 46 47 planetcore_set_stdout_path(table); 48 49 serial_console_init(); 50 platform_ops.fixups = platform_fixups; 51 } 52