xref: /openbmc/linux/arch/powerpc/boot/bamboo.c (revision a44e4f3a)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright IBM Corporation, 2007
4  * Josh Boyer <jwboyer@linux.vnet.ibm.com>
5  *
6  * Based on ebony wrapper:
7  * Copyright 2007 David Gibson, IBM Corporation.
8  *
9  * Clocking code based on code by:
10  * Stefan Roese <sr@denx.de>
11  */
12 #include <stdarg.h>
13 #include <stddef.h>
14 #include "types.h"
15 #include "elf.h"
16 #include "string.h"
17 #include "stdio.h"
18 #include "page.h"
19 #include "ops.h"
20 #include "dcr.h"
21 #include "4xx.h"
22 #include "44x.h"
23 
24 static u8 *bamboo_mac0, *bamboo_mac1;
25 
26 static void bamboo_fixups(void)
27 {
28 	unsigned long sysclk = 33333333;
29 
30 	ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
31 	ibm4xx_sdram_fixup_memsize();
32 	ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
33 	dt_fixup_mac_address_by_alias("ethernet0", bamboo_mac0);
34 	dt_fixup_mac_address_by_alias("ethernet1", bamboo_mac1);
35 }
36 
37 void bamboo_init(void *mac0, void *mac1)
38 {
39 	platform_ops.fixups = bamboo_fixups;
40 	platform_ops.exit = ibm44x_dbcr_reset;
41 	bamboo_mac0 = mac0;
42 	bamboo_mac1 = mac1;
43 	fdt_init(_dtb_start);
44 	serial_console_init();
45 }
46