From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/powerpc/boot/cuboot-85xx.c | 62 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 arch/powerpc/boot/cuboot-85xx.c (limited to 'arch/powerpc/boot/cuboot-85xx.c') diff --git a/arch/powerpc/boot/cuboot-85xx.c b/arch/powerpc/boot/cuboot-85xx.c new file mode 100644 index 000000000..277ba4a79 --- /dev/null +++ b/arch/powerpc/boot/cuboot-85xx.c @@ -0,0 +1,62 @@ +/* + * Old U-boot compatibility for 85xx + * + * Author: Scott Wood + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" +#include "cuboot.h" + +#define TARGET_85xx +#define TARGET_HAS_ETH3 +#include "ppcboot.h" + +static bd_t bd; + +static void platform_fixups(void) +{ + void *soc; + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); + dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); + dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr); + dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr); + dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq); + + /* Unfortunately, the specific model number is encoded in the + * soc node name in existing dts files -- once that is fixed, + * this can do a simple path lookup. + */ + soc = find_node_by_devtype(NULL, "soc"); + if (soc) { + void *serial = NULL; + + setprop(soc, "bus-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); + + while ((serial = find_node_by_devtype(serial, "serial"))) { + if (get_parent(serial) != soc) + continue; + + setprop(serial, "clock-frequency", &bd.bi_busfreq, + sizeof(bd.bi_busfreq)); + } + } +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + CUBOOT_INIT(); + fdt_init(_dtb_start); + serial_console_init(); + platform_ops.fixups = platform_fixups; +} -- cgit v1.2.3-54-g00ecf