Alessio Igor Bogani | 97493e2e | 2016-05-30 11:47:16 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Motload compatibility for the Emerson/Artesyn MVME7100 |
| 3 | * |
| 4 | * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A. |
| 5 | * |
| 6 | * Author: Alessio Igor Bogani <alessio.bogani@elettra.eu> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | #include "ops.h" |
| 16 | #include "stdio.h" |
| 17 | #include "cuboot.h" |
| 18 | |
| 19 | #define TARGET_86xx |
| 20 | #define TARGET_HAS_ETH1 |
| 21 | #define TARGET_HAS_ETH2 |
| 22 | #define TARGET_HAS_ETH3 |
| 23 | #include "ppcboot.h" |
| 24 | |
| 25 | static bd_t bd; |
| 26 | |
| 27 | BSS_STACK(16384); |
| 28 | |
| 29 | static void mvme7100_fixups(void) |
| 30 | { |
| 31 | void *devp; |
| 32 | unsigned long busfreq = bd.bi_busfreq * 1000000; |
| 33 | |
| 34 | dt_fixup_cpu_clocks(bd.bi_intfreq * 1000000, busfreq / 4, busfreq); |
| 35 | |
| 36 | devp = finddevice("/soc@f1000000"); |
| 37 | if (devp) |
| 38 | setprop(devp, "bus-frequency", &busfreq, sizeof(busfreq)); |
| 39 | |
| 40 | devp = finddevice("/soc/serial@4500"); |
| 41 | if (devp) |
| 42 | setprop(devp, "clock-frequency", &busfreq, sizeof(busfreq)); |
| 43 | |
| 44 | dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); |
| 45 | |
| 46 | dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); |
| 47 | dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); |
| 48 | dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr); |
| 49 | dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr); |
| 50 | } |
| 51 | |
| 52 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, |
| 53 | unsigned long r6, unsigned long r7) |
| 54 | { |
| 55 | CUBOOT_INIT(); |
| 56 | fdt_init(_dtb_start); |
| 57 | serial_console_init(); |
| 58 | platform_ops.fixups = mvme7100_fixups; |
| 59 | } |