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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2013-02-21 00:21:29 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-03-06 11:41:29 +0100 |
| commit | 9d8e08353cf8628d41335b9c5910bd352ef75f4d (patch) | |
| tree | 75b534f7a701420c3ae112b22d7e58fe35d8c76d /arch/ppc | |
| parent | cf95711e5201b04e32be8f9122200308638279e9 (diff) | |
| download | barebox-9d8e08353cf8628d41335b9c5910bd352ef75f4d.tar.gz barebox-9d8e08353cf8628d41335b9c5910bd352ef75f4d.tar.xz | |
of: fixup unflattened devicetree
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/ppc')
| -rw-r--r-- | arch/ppc/mach-mpc5xxx/cpu.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/arch/ppc/mach-mpc5xxx/cpu.c b/arch/ppc/mach-mpc5xxx/cpu.c index 5bbd49ab9f..99f16ebf1d 100644 --- a/arch/ppc/mach-mpc5xxx/cpu.c +++ b/arch/ppc/mach-mpc5xxx/cpu.c @@ -77,17 +77,27 @@ void __noreturn reset_cpu (unsigned long addr) /* ------------------------------------------------------------------------- */ #ifdef CONFIG_OFTREE -static int of_mpc5200_fixup(struct fdt_header *fdt) +static int of_mpc5200_fixup(struct device_node *root) { - char *cpu_path = "/cpus/PowerPC,5200@0"; + struct device_node *node; + int div = in_8((void*)CFG_MBAR + 0x204) & 0x0020 ? 8 : 4; - do_fixup_by_path_u32(fdt, cpu_path, "timebase-frequency", get_timebase_clock(), 1); - do_fixup_by_path_u32(fdt, cpu_path, "bus-frequency", get_bus_clock(), 1); - do_fixup_by_path_u32(fdt, cpu_path, "clock-frequency", get_cpu_clock(), 1); - do_fixup_by_path_u32(fdt, "/soc5200@f0000000", "bus-frequency", get_ipb_clock(), 1); - do_fixup_by_path_u32(fdt, "/soc5200@f0000000", "system-frequency", - get_bus_clock() * div, 1); + node = of_find_node_by_path(root, "/cpus/PowerPC,5200@0"); + if (!node) + return -EINVAL; + + of_property_write_u32(node, "timebase-frequency", get_timebase_clock()); + of_property_write_u32(node, "bus-frequency", get_bus_clock()); + of_property_write_u32(node, "clock-frequency", get_cpu_clock()); + + node = of_find_node_by_path(root, "/soc5200@f0000000"); + if (!node) + return -EINVAL; + + of_property_write_u32(node, "bus-frequency", get_ipb_clock()); + of_property_write_u32(node, "system-frequency", get_bus_clock() * div); + return 0; } |