| 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(sys_clk: sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK); |
| 32 | dt_fixup_memory(start: bd.bi_memstart, size: bd.bi_memsize); |
| 33 | ibm4xx_fixup_ebc_ranges(ebc: "/plb/opb/ebc"); |
| 34 | dt_fixup_mac_address_by_alias(alias: "ethernet0", addr: bd.bi_enetaddr); |
| 35 | dt_fixup_mac_address_by_alias(alias: "ethernet1", addr: 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(blob: _dtb_start); |
| 45 | serial_console_init(); |
| 46 | } |
| 47 |