| 1 | // SPDX-License-Identifier: GPL-2.0-only |
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| 2 | /* |
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| 3 | * Old U-boot compatibility for Taishan |
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| 4 | * |
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| 5 | * Author: Hugh Blemings <hugh@au.ibm.com> |
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| 6 | * |
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| 7 | * Copyright 2007 Hugh Blemings, IBM Corporation. |
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| 8 | * Based on cuboot-ebony.c which is: |
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| 9 | * Copyright 2007 David Gibson, IBM Corporation. |
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| 10 | * Based on cuboot-83xx.c, which is: |
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| 11 | * Copyright (c) 2007 Freescale Semiconductor, Inc. |
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| 12 | */ |
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| 13 | |
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| 14 | #include "ops.h" |
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| 15 | #include "stdio.h" |
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| 16 | #include "cuboot.h" |
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| 17 | #include "reg.h" |
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| 18 | #include "dcr.h" |
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| 19 | #include "4xx.h" |
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| 20 | |
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| 21 | #define TARGET_4xx |
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| 22 | #define TARGET_44x |
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| 23 | #define TARGET_440GX |
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| 24 | #include "ppcboot.h" |
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| 25 | |
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| 26 | static bd_t bd; |
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| 27 | |
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| 28 | BSS_STACK(4096); |
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| 29 | |
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| 30 | static void taishan_fixups(void) |
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| 31 | { |
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| 32 | /* FIXME: sysclk should be derived by reading the FPGA |
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| 33 | registers */ |
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| 34 | unsigned long sysclk = 33000000; |
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| 35 | |
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| 36 | ibm440gx_fixup_clocks(sys_clk: sysclk, ser_clk: 6 * 1843200, tmr_clk: 25000000); |
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| 37 | |
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| 38 | ibm4xx_sdram_fixup_memsize(); |
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| 39 | |
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| 40 | dt_fixup_mac_address_by_alias(alias: "ethernet0" , addr: bd.bi_enetaddr); |
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| 41 | dt_fixup_mac_address_by_alias(alias: "ethernet1" , addr: bd.bi_enet1addr); |
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| 42 | |
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| 43 | ibm4xx_fixup_ebc_ranges(ebc: "/plb/opb/ebc" ); |
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| 44 | } |
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| 45 | |
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| 46 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, |
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| 47 | unsigned long r6, unsigned long r7) |
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| 48 | { |
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| 49 | CUBOOT_INIT(); |
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| 50 | |
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| 51 | platform_ops.fixups = taishan_fixups; |
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| 52 | fdt_init(blob: _dtb_start); |
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| 53 | serial_console_init(); |
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| 54 | } |
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| 55 | |
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