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MIPS: SGI-IP27: reduce ARC usage to a minimum

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IP27 uses ARC prom only for parsing prom arguments and has a hack
for IP27 to make the ARC code behave. By introducing config symbol
ARC_CMDLINE_ONLY IP27 only drags in ARC cmdline parsing and does
everything else in IP27 specific code.

Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Thomas Bogendoerfer
2019-10-22 18:13:15 +02:00
committed by Paul Burton
parent 7b16831d1e
commit e942242784
4 changed files with 22 additions and 10 deletions
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14
arch/mips/sgi-ip27/ip27-init.c
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@@ -13,9 +13,11 @@
#include <linux/mm.h>
#include <linux/export.h>
#include <linux/cpumask.h>
#include <asm/bootinfo.h>
#include <asm/cpu.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/sgialib.h>
#include <asm/time.h>
#include <asm/sn/types.h>
#include <asm/sn/sn0/addrs.h>
@@ -160,3 +162,15 @@ void __init plat_mem_setup(void)
ioport_resource.end = ~0UL;
set_io_port_base(IO_BASE);
}
const char *get_system_type(void)
{
return "SGI Origin";
}
void __init prom_init(void)
{
prom_init_cmdline(fw_arg0, (LONG *)fw_arg1);
prom_meminit();
}