1 /* 2 * Old U-boot compatibility for Taishan 3 * 4 * Author: Hugh Blemings <hugh@au.ibm.com> 5 * 6 * Copyright 2007 Hugh Blemings, IBM Corporation. 7 * Based on cuboot-ebony.c which is: 8 * Copyright 2007 David Gibson, IBM Corporation. 9 * Based on cuboot-83xx.c, which is: 10 * Copyright (c) 2007 Freescale Semiconductor, Inc. 11 * 12 * This program is free software; you can redistribute it and/or modify it 13 * under the terms of the GNU General Public License version 2 as published 14 * by the Free Software Foundation. 15 */ 16 17 #include "ops.h" 18 #include "stdio.h" 19 #include "cuboot.h" 20 #include "reg.h" 21 #include "dcr.h" 22 #include "4xx.h" 23 24 #define TARGET_4xx 25 #define TARGET_44x 26 #define TARGET_440GX 27 #include "ppcboot.h" 28 29 static bd_t bd; 30 31 BSS_STACK(4096); 32 33 static void taishan_fixups(void) 34 { 35 /* FIXME: sysclk should be derived by reading the FPGA 36 registers */ 37 unsigned long sysclk = 33000000; 38 39 ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000); 40 41 ibm4xx_sdram_fixup_memsize(); 42 43 dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); 44 dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); 45 46 ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); 47 } 48 49 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, 50 unsigned long r6, unsigned long r7) 51 { 52 CUBOOT_INIT(); 53 54 platform_ops.fixups = taishan_fixups; 55 fdt_init(_dtb_start); 56 serial_console_init(); 57 } 58