projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 7858f747 KG |
1 | /* |
| 2 | * Old U-boot compatibility for 85xx | |
| 3 | * | |
| 4 | * Author: Scott Wood <scottwood@freescale.com> | |
| 5 | * | |
| 6 | * Copyright (c) 2007 Freescale Semiconductor, Inc. | |
| 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 version 2 as published | |
| 10 | * by the Free Software Foundation. | |
| 11 | */ | |
| 12 | ||
| 13 | #include "ops.h" | |
| 14 | #include "stdio.h" | |
| 15 | #include "cuboot.h" | |
| 16 | ||
| 17 | #define TARGET_85xx | |
| 18 | #define TARGET_CPM2 | |
| 19 | #include "ppcboot.h" | |
| 20 | ||
| 21 | static bd_t bd; | |
| 22 | ||
| 23 | static void platform_fixups(void) | |
| 24 | { | |
| 25 | void *devp; | |
| 26 | ||
| 27 | dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); | |
| 28 | dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); | |
| 29 | dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); | |
| 30 | dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr); | |
| 31 | dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq); | |
| 32 | ||
| 33 | /* Unfortunately, the specific model number is encoded in the | |
| 34 | * soc node name in existing dts files -- once that is fixed, | |
| 35 | * this can do a simple path lookup. | |
| 36 | */ | |
| 37 | devp = find_node_by_devtype(NULL, "soc"); | |
| 38 | if (devp) { | |
| 39 | void *serial = NULL; | |
| 40 | ||
| 41 | setprop(devp, "bus-frequency", &bd.bi_busfreq, | |
| 42 | sizeof(bd.bi_busfreq)); | |
| 43 | ||
| 44 | while ((serial = find_node_by_devtype(serial, "serial"))) { | |
| 45 | if (get_parent(serial) != devp) | |
| 46 | continue; | |
| 47 | ||
| 48 | setprop(serial, "clock-frequency", &bd.bi_busfreq, | |
| 49 | sizeof(bd.bi_busfreq)); | |
| 50 | } | |
| 51 | } | |
| 52 | ||
| 53 | devp = find_node_by_compatible(NULL, "fsl,cpm2-brg"); | |
| 54 | if (devp) | |
| 55 | setprop(devp, "clock-frequency", &bd.bi_brgfreq, | |
| 56 | sizeof(bd.bi_brgfreq)); | |
| 57 | } | |
| 58 | ||
| 59 | void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, | |
| 60 | unsigned long r6, unsigned long r7) | |
| 61 | { | |
| 62 | CUBOOT_INIT(); | |
| 63 | fdt_init(_dtb_start); | |
| 64 | serial_console_init(); | |
| 65 | platform_ops.fixups = platform_fixups; | |
| 66 | } |