In order to distinguish various types of bridge chip such as AMD RS780E or Loongson 7A1000, we can use firmware arguments to get board name. Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> --- arch/mips/include/asm/mach-loongson64/boot_param.h | 1 + arch/mips/loongson64/env.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/arch/mips/include/asm/mach-loongson64/boot_param.h b/arch/mips/include/asm/mach-loongson64/boot_param.h index 8c286be..225a563 100644 --- a/arch/mips/include/asm/mach-loongson64/boot_param.h +++ b/arch/mips/include/asm/mach-loongson64/boot_param.h @@ -217,5 +217,6 @@ struct loongson_system_configuration { extern struct efi_memory_map_loongson *loongson_memmap; extern struct loongson_system_configuration loongson_sysconf; +extern struct board_devices *eboard; #endif diff --git a/arch/mips/loongson64/env.c b/arch/mips/loongson64/env.c index 0daeb7b..a244a8c 100644 --- a/arch/mips/loongson64/env.c +++ b/arch/mips/loongson64/env.c @@ -24,6 +24,9 @@ EXPORT_SYMBOL(cpu_clock_freq); struct efi_memory_map_loongson *loongson_memmap; struct loongson_system_configuration loongson_sysconf; +struct board_devices *eboard; +EXPORT_SYMBOL(eboard); + u64 loongson_chipcfg[MAX_PACKAGES] = {0xffffffffbfc00180}; u64 loongson_chiptemp[MAX_PACKAGES]; u64 loongson_freqctrl[MAX_PACKAGES]; @@ -51,6 +54,8 @@ void __init prom_init_env(void) ((u64)loongson_p + loongson_p->system_offset); ecpu = (struct efi_cpuinfo_loongson *) ((u64)loongson_p + loongson_p->cpu_offset); + eboard = (struct board_devices *) + ((u64)loongson_p + loongson_p->boarddev_table_offset); eirq_source = (struct irq_source_routing_table *) ((u64)loongson_p + loongson_p->irq_offset); loongson_memmap = (struct efi_memory_map_loongson *) -- 2.1.0