From a9188bc1628366bea7157209df93acc0f74625cc Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sun, 22 Jul 2012 08:56:00 +0200 Subject: [PATCH] MIPS: Lantiq: Add device_tree_init function Add a lantiq specific version of device_tree_init. The generic MIPS version was removed by. commit 594e966bc412d64eec9282d28ce511bdd62fea39 Author: David Daney Date: Thu Jul 5 18:12:38 2012 +0200 MIPS: Prune some target specific code out of prom.c Signed-off-by: John Crispin Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4116/ Signed-off-by: Ralf Baechle --- arch/mips/lantiq/prom.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c index d185e8477fdf..6cfd6117fbfd 100644 --- a/arch/mips/lantiq/prom.c +++ b/arch/mips/lantiq/prom.c @@ -8,7 +8,10 @@ #include #include +#include #include +#include + #include #include @@ -70,6 +73,25 @@ void __init plat_mem_setup(void) __dt_setup_arch(&__dtb_start); } +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_bootmem(base, size, BOOTMEM_DEFAULT); + + unflatten_device_tree(); + + /* free the space reserved for the dt blob */ + free_bootmem(base, size); +} + void __init prom_init(void) { /* call the soc specific detetcion code and get it to fill soc_info */ -- 2.20.1