Commit fe9863a1 authored by Tiezhu Yang's avatar Tiezhu Yang Committed by Thomas Bogendoerfer
Browse files

MIPS: Loongson64: Set the field ELPA of CP0_PAGEGRAIN only once 



The field ELPA of CP0_PAGEGRAIN register is set at the beginning
of the kernel entry point in kernel-entry-init.h, no need to set
it again in numa.c, we can remove enable_lpa() and only print the
related information.

Signed-off-by: default avatarTiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent 4d1b3ac8

arch/mips/loongson64/numa.c

+2 −15
Original line number Diff line number Diff line
@@ -35,20 +35,6 @@ EXPORT_SYMBOL(__node_data); 
cpumask_t __node_cpumask[MAX_NUMNODES];

EXPORT_SYMBOL(__node_cpumask);



static void enable_lpa(void)

{

	unsigned long value;



	value = __read_32bit_c0_register($16, 3);

	pr_info("CP0_Config3: CP0 16.3 (0x%lx)\n", value);



	value = __read_32bit_c0_register($5, 1);

	value |= 0x20000000;

	__write_32bit_c0_register($5, 1, value);

	value = __read_32bit_c0_register($5, 1);

	pr_info("CP0_PageGrain: CP0 5.1 (0x%lx)\n", value);

}



static void cpu_node_probe(void)

{

	int i;
@@ -240,7 +226,8 @@ EXPORT_SYMBOL(pcibus_to_node); 


void __init prom_init_numa_memory(void)

{

	enable_lpa();

	pr_info("CP0_Config3: CP0 16.3 (0x%x)\n", read_c0_config3());

	pr_info("CP0_PageGrain: CP0 5.1 (0x%x)\n", read_c0_pagegrain());

	prom_meminit();

}

EXPORT_SYMBOL(prom_init_numa_memory);