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MIPS: Loongson 2F: Cleanup the #if clauses

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This patch adds two new kernel options: CPU_SUPPORTS_CPUFREQ and
CPU_SUPPORTS_ADDRWINCFG to describe the new features of Loongons 2F and
replaces the several ugly #if clauses by them.

These two options will be utilized by the future loongson revisions and
related drivers such as the coming Loongson 2F CPUFreq driver.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Wu Zhangjin
2009-11-11 13:39:12 +08:00
committed by Ralf Baechle
parent 6e34358ed4
commit 55045ff555
6 changed files with 17 additions and 11 deletions
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8
arch/mips/loongson/common/mem.c
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@@ -20,8 +20,7 @@ void __init prom_init_memory(void)
add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize <<
20), BOOT_MEM_RESERVED);
#ifdef CONFIG_64BIT
#ifdef CONFIG_CPU_LOONGSON2F
#ifdef CONFIG_CPU_SUPPORTS_ADDRWINCFG
{
int bit;
@@ -36,8 +35,9 @@ void __init prom_init_memory(void)
0x80000000ul, (1 << bit));
mmiowb();
}
#endif /* CONFIG_CPU_LOONGSON2F */
#endif /* !CONFIG_CPU_SUPPORTS_ADDRWINCFG */
#ifdef CONFIG_64BIT
if (highmemsize > 0)
add_memory_region(LOONGSON_HIGHMEM_START,
highmemsize << 20, BOOT_MEM_RAM);
@@ -45,7 +45,7 @@ void __init prom_init_memory(void)
add_memory_region(LOONGSON_PCI_MEM_END + 1, LOONGSON_HIGHMEM_START -
LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED);
#endif /* CONFIG_64BIT */
#endif /* !CONFIG_64BIT */
}
/* override of arch/mips/mm/cache.c: __uncached_access */