diff options
Diffstat (limited to 'cpu/ppc4xx/fdt.c')
| -rw-r--r-- | cpu/ppc4xx/fdt.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c new file mode 100644 index 0000000..afcb974 --- /dev/null +++ b/cpu/ppc4xx/fdt.c @@ -0,0 +1,64 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <watchdog.h> +#include <command.h> +#include <asm/cache.h> +#include <ppc4xx.h> + +#if defined(CONFIG_OF_LIBFDT) +#include <libfdt.h> +#include <libfdt_env.h> +#include <fdt_support.h> + +DECLARE_GLOBAL_DATA_PTR; + +void ft_cpu_setup(void *blob, bd_t *bd) +{ + sys_info_t sys_info; + + get_sys_info(&sys_info); + + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency", + bd->bi_intfreq, 1); + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "clock-frequency", + bd->bi_intfreq, 1); + do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1); + do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1); + do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency", + sys_info.freqEBC, 1); + fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); + + /* + * Setup all baudrates for the UARTs + */ + do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1); + + /* + * Fixup all ethernet nodes + * Note: aliases in the dts are required for this + */ + fdt_fixup_ethernet(blob, bd); +} +#endif /* CONFIG_OF_LIBFDT */ |