From 42d226c7248a28ff8c478c06b7e9bd9ef5d73574 Mon Sep 17 00:00:00 2001 From: Songmao Tian Date: Wed, 6 Jun 2007 14:52:38 +0800 Subject: [MIPS] New files for lemote fulong mini-PC support Signed-off-by: Fuxin Zhang Signed-off-by: Songmao Tian Signed-off-by: Ralf Baechle --- arch/mips/lemote/lm2e/mem.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 arch/mips/lemote/lm2e/mem.c (limited to 'arch/mips/lemote/lm2e/mem.c') diff --git a/arch/mips/lemote/lm2e/mem.c b/arch/mips/lemote/lm2e/mem.c new file mode 100644 index 00000000000..16cd21587d3 --- /dev/null +++ b/arch/mips/lemote/lm2e/mem.c @@ -0,0 +1,23 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include +#include +#include + +/* override of arch/mips/mm/cache.c: __uncached_access */ +int __uncached_access(struct file *file, unsigned long addr) +{ + if (file->f_flags & O_SYNC) + return 1; + + /* + * On the Lemote Loongson 2e system, the peripheral registers + * reside between 0x1000:0000 and 0x2000:0000. + */ + return addr >= __pa(high_memory) || + ((addr >= 0x10000000) && (addr < 0x20000000)); +} -- cgit v1.2.3