powerpc/boot/cuboot-sequoia.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * Old U-boot compatibility for Sequoia
0004  *
0005  * Valentine Barshak <vbarshak@ru.mvista.com>
0006  * Copyright 2007 MontaVista Software, Inc
0007  *
0008  * Based on Ebony code by David Gibson <david@gibson.dropbear.id.au>
0009  * Copyright IBM Corporation, 2007
0010  *
0011  * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
0012  * Copyright IBM Corporation, 2007
0013  */
0014
0015 #include <stdarg.h>
0016 #include <stddef.h>
0017 #include "types.h"
0018 #include "elf.h"
0019 #include "string.h"
0020 #include "stdio.h"
0021 #include "page.h"
0022 #include "ops.h"
0023 #include "dcr.h"
0024 #include "4xx.h"
0025 #include "44x.h"
0026 #include "cuboot.h"
0027
0028 #define TARGET_4xx
0029 #define TARGET_44x
0030 #include "ppcboot.h"
0031
0032 static bd_t bd;
0033
0034
0035 static void sequoia_fixups(void)
0036 {
0037     unsigned long sysclk = 33333333;
0038
0039     ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
0040     ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
0041     ibm4xx_denali_fixup_memsize();
0042     dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
0043     dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
0044 }
0045
0046 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
0047                    unsigned long r6, unsigned long r7)
0048 {
0049     CUBOOT_INIT();
0050     platform_ops.fixups = sequoia_fixups;
0051     platform_ops.exit = ibm44x_dbcr_reset;
0052     fdt_init(_dtb_start);
0053     serial_console_init();
0054 }