1 /* 2 * Embedded Planet EP88xC with PlanetCore firmware 3 * 4 * Author: Scott Wood <scottwood@freescale.com> 5 * 6 * Copyright (c) 2007 Freescale Semiconductor, Inc. 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License version 2 as published 10 * by the Free Software Foundation. 11 */ 12 13 #include "ops.h" 14 #include "stdio.h" 15 #include "planetcore.h" 16 #include "mpc8xx.h" 17 18 static char *table; 19 static u64 mem_size; 20 21 static void platform_fixups(void) 22 { 23 u64 val; 24 25 dt_fixup_memory(0, mem_size); 26 planetcore_set_mac_addrs(table); 27 28 if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) { 29 printf("No PlanetCore crystal frequency key.\r\n"); 30 return; 31 } 32 33 mpc885_fixup_clocks(val); 34 } 35 36 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, 37 unsigned long r6, unsigned long r7) 38 { 39 table = (char *)r3; 40 planetcore_prepare_table(table); 41 42 if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size)) 43 return; 44 45 mem_size *= 1024 * 1024; 46 simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64); 47 48 fdt_init(_dtb_start); 49 50 planetcore_set_stdout_path(table); 51 52 serial_console_init(); 53 platform_ops.fixups = platform_fixups; 54 } 55