1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Old U-boot compatibility for PPC405EX. This image is already included 4 * a dtb. 5 * 6 * Author: Tiejun Chen <tiejun.chen@windriver.com> 7 * 8 * Copyright (C) 2009 Wind River Systems, Inc. 9 */ 10 11 #include "ops.h" 12 #include "io.h" 13 #include "dcr.h" 14 #include "stdio.h" 15 #include "4xx.h" 16 #include "44x.h" 17 #include "cuboot.h" 18 19 #define TARGET_4xx 20 #define TARGET_44x 21 #include "ppcboot.h" 22 23 #define KILAUEA_SYS_EXT_SERIAL_CLOCK 11059200 /* ext. 11.059MHz clk */ 24 25 static bd_t bd; 26 27 static void kilauea_fixups(void) 28 { 29 unsigned long sysclk = 33333333; 30 31 ibm405ex_fixup_clocks(sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK); 32 dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); 33 ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); 34 dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); 35 dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); 36 } 37 38 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, 39 unsigned long r6, unsigned long r7) 40 { 41 CUBOOT_INIT(); 42 platform_ops.fixups = kilauea_fixups; 43 platform_ops.exit = ibm40x_dbcr_reset; 44 fdt_init(_dtb_start); 45 serial_console_init(); 46 } 47