diff options
Diffstat (limited to 'arch/mips/netlogic')
-rw-r--r-- | arch/mips/netlogic/xlp/Makefile | 1 | ||||
-rw-r--r-- | arch/mips/netlogic/xlp/of.c | 34 |
2 files changed, 35 insertions, 0 deletions
diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile index b93ed83474ec..9007ef0c398e 100644 --- a/arch/mips/netlogic/xlp/Makefile +++ b/arch/mips/netlogic/xlp/Makefile @@ -1,2 +1,3 @@ obj-y += setup.o platform.o nlm_hal.o +obj-$(CONFIG_OF) += of.o obj-$(CONFIG_SMP) += wakeup.o diff --git a/arch/mips/netlogic/xlp/of.c b/arch/mips/netlogic/xlp/of.c new file mode 100644 index 000000000000..8e3921c0c201 --- /dev/null +++ b/arch/mips/netlogic/xlp/of.c @@ -0,0 +1,34 @@ +#include <linux/bootmem.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/of_fdt.h> +#include <asm/byteorder.h> + +static int __init reserve_mem_mach(unsigned long addr, unsigned long size) +{ + return reserve_bootmem(addr, size, BOOTMEM_DEFAULT); +} + +void __init free_mem_mach(unsigned long addr, unsigned long size) +{ + return free_bootmem(addr, size); +} + +void __init device_tree_init(void) +{ + unsigned long base, size; + + if (!initial_boot_params) + return; + + base = virt_to_phys((void *)initial_boot_params); + size = be32_to_cpu(initial_boot_params->totalsize); + + /* Before we do anything, lets reserve the dt blob */ + reserve_mem_mach(base, size); + + unflatten_device_tree(); + + /* free the space reserved for the dt blob */ + free_mem_mach(base, size); +} |