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Author SHA1 Message Date
Atsushi Nemoto 97dcb82de6 [MIPS] Define MIPS_CPU_IRQ_BASE in generic header 
The irq_base for {mips,rm7k,rm9k}_cpu_irq_init() are constant on all
platforms and are same value on most platforms (0 or 16, depends on
CONFIG_I8259).  Define them in asm-mips/mach-generic/irq.h and make
them customizable.  This will save a few cycle on each CPU interrupt.

A good side effect is removing some dependencies to MALTA in generic
SMTC code.

Although MIPS_CPU_IRQ_BASE is customizable, this patch changes irq
mappings on DDB5477, EMMA2RH and MIPS_SIM, since really customizing
them might cause some header dependency problem and there seems no
good reason to customize it.  So currently only VR41XX is using custom
MIPS_CPU_IRQ_BASE value, which is 0 regardless of CONFIG_I8259.

Testing this patch on those platforms is greatly appreciated.  Thank
you.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2007-02-06 16:53:08 +00:00
Ralf Baechle 937a801576 [MIPS] Complete fixes after removal of pt_regs argument to int handlers. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-10-08 02:38:28 +01:00
Yoichi Yuasa 08aecfb9ea [MIPS] Remove set_c0_status(ST0_IM) from wrppmc's irq.c. 
mips_cpu_irq_init() does clear_c0_status(ST0_IM) first, so
set_c0_status(ST0_IM) isn't necessary.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-06-29 21:10:51 +01:00
Mark.Zhan 9247857f5a [MIPS] Fix the build error of Wind River PPMC board, rewrite irq code to C 
o Fix the build error Wind River PPMC board caused by the change of
   plat_setup hook interface.
 o Rewrite first level interrupt dispatch code to C.

Signed-off-by: Rongkai.Zhan <rongkai.zhan@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-06-29 21:10:34 +01:00
Mark.Zhan a240a46964 [MIPS] Wind River 4KC PPMC Eval Board Support 
Support for the GT-64120-based Wind River 4KC PPMC Evaluation board.

Signed-off-by: Rongkai.Zhan <Rongkai.zhan@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-06-19 17:39:18 +01:00