diff options
| author | Qing Zhang <zhangqing@loongson.cn> | 2021-03-15 08:49:59 +0100 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-03-25 10:44:01 +0100 |
| commit | 8e2fe0ecfb96d7b1baa9720e36305515c3079e8c (patch) | |
| tree | e16622c38a8a4ea9724cb3fdd9030599f7c51ece /arch/mips/include | |
| parent | MIPS: Loongson64: DeviceTree for Loongson-2K1000 (diff) | |
| download | linux-8e2fe0ecfb96d7b1baa9720e36305515c3079e8c.tar.xz linux-8e2fe0ecfb96d7b1baa9720e36305515c3079e8c.zip | |
MIPS: Loongson64: Distinguish firmware dependencies DTB/LEFI
Add DTB boot support, only support Loongson-2K1000 processor
for now, determine whether to use the built-in DTB or the DTB
from the firmware by checking the range of CKSEG0 and XKPHYS.
loongson_fw_interface will be used in the future.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
Tested-by: Ming Wang <wangming01@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/mach-loongson64/loongson.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mach-loongson64/loongson.h b/arch/mips/include/asm/mach-loongson64/loongson.h index 6189deb188cf..f7c3ab6d724e 100644 --- a/arch/mips/include/asm/mach-loongson64/loongson.h +++ b/arch/mips/include/asm/mach-loongson64/loongson.h @@ -12,8 +12,14 @@ #include <linux/irq.h> #include <boot_param.h> +enum loongson_fw_interface { + LOONGSON_LEFI, + LOONGSON_DTB, +}; + /* machine-specific boot configuration */ struct loongson_system_configuration { + enum loongson_fw_interface fw_interface; u32 nr_cpus; u32 nr_nodes; int cores_per_node; @@ -41,7 +47,8 @@ extern u32 memsize, highmemsize; extern const struct plat_smp_ops loongson3_smp_ops; /* loongson-specific command line, env and memory initialization */ -extern void __init prom_init_env(void); +extern void __init prom_dtb_init_env(void); +extern void __init prom_lefi_init_env(void); extern void __init szmem(unsigned int node); extern void *loongson_fdt_blob; |