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authorMagnus Damm <damm@opensource.se>2010-12-28 08:27:19 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-01-07 10:43:02 +0900
commit018a3fc7e3824ffcc80ad0160f9782c7d577c0c1 (patch)
treeb656add9d127a6cdee65a3ca8a3d1078a1495038 /arch/arm/mach-shmobile
parente74a9625f8dcf1a924345b24cec8476c52593df8 (diff)
downloadblackbird-op-linux-018a3fc7e3824ffcc80ad0160f9782c7d577c0c1.tar.gz
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ARM: mach-shmobile: Rely on run-time IRQ handlers
Remove now unused IRQ demux code. All R-Mobile and SH-Mobile processors should register IRQ demux handlers during run-time. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r--arch/arm/mach-shmobile/include/mach/entry-macro-gic.S29
-rw-r--r--arch/arm/mach-shmobile/include/mach/entry-macro-intc.S61
-rw-r--r--arch/arm/mach-shmobile/include/mach/entry-macro.S23
-rw-r--r--arch/arm/mach-shmobile/include/mach/hardware.h3
4 files changed, 18 insertions, 98 deletions
diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro-gic.S b/arch/arm/mach-shmobile/include/mach/entry-macro-gic.S
deleted file mode 100644
index 48872dd15269..000000000000
--- a/arch/arm/mach-shmobile/include/mach/entry-macro-gic.S
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2010 Renesas Solutions Corp.
- *
- * 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; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include <mach/hardware.h>
-#include <asm/hardware/gic.h>
-#include <asm/hardware/entry-macro-gic.S>
-
- .macro disable_fiq
- .endm
-
- .macro get_irqnr_preamble, base, tmp
- ldr \base, =(0xf0000100)
- .endm
-
- .macro arch_ret_to_user, tmp1, tmp2
- .endm
diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro-intc.S b/arch/arm/mach-shmobile/include/mach/entry-macro-intc.S
deleted file mode 100644
index f428c4db2b60..000000000000
--- a/arch/arm/mach-shmobile/include/mach/entry-macro-intc.S
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (C) 2010 Magnus Damm
- * Copyright (C) 2008 Renesas Solutions Corp.
- *
- * 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; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include <mach/irqs.h>
-
-#define INTCA_BASE 0xe6980000
-#define INTFLGA_OFFS 0x00000018 /* accept pending interrupt */
-#define INTEVTA_OFFS 0x00000020 /* vector number of accepted interrupt */
-#define INTLVLA_OFFS 0x00000030 /* priority level of accepted interrupt */
-#define INTLVLB_OFFS 0x00000034 /* previous priority level */
-
- .macro disable_fiq
- .endm
-
- .macro get_irqnr_preamble, base, tmp
- ldr \base, =INTCA_BASE
- .endm
-
- .macro arch_ret_to_user, tmp1, tmp2
- .endm
-
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- /* The single INTFLGA read access below results in the following:
- *
- * 1. INTLVLB is updated with old priority value from INTLVLA
- * 2. Highest priority interrupt is accepted
- * 3. INTLVLA is updated to contain priority of accepted interrupt
- * 4. Accepted interrupt vector is stored in INTFLGA and INTEVTA
- */
- ldr \irqnr, [\base, #INTFLGA_OFFS]
-
- /* Restore INTLVLA with the value saved in INTLVLB.
- * This is required to support interrupt priorities properly.
- */
- ldrb \tmp, [\base, #INTLVLB_OFFS]
- strb \tmp, [\base, #INTLVLA_OFFS]
-
- /* Handle invalid vector number case */
- cmp \irqnr, #0
- beq 1000f
-
- /* Convert vector to irq number, same as the evt2irq() macro */
- lsr \irqnr, \irqnr, #0x5
- subs \irqnr, \irqnr, #16
-
-1000:
- .endm
diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro.S b/arch/arm/mach-shmobile/include/mach/entry-macro.S
index 26e401167605..d791f10eeac7 100644
--- a/arch/arm/mach-shmobile/include/mach/entry-macro.S
+++ b/arch/arm/mach-shmobile/include/mach/entry-macro.S
@@ -14,8 +14,21 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#if defined(CONFIG_ARM_GIC)
-#include <mach/entry-macro-gic.S>
-#else
-#include <mach/entry-macro-intc.S>
-#endif
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ .endm
+
+ .macro test_for_ipi, irqnr, irqstat, base, tmp
+ .endm
+
+ .macro test_for_ltirq, irqnr, irqstat, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
diff --git a/arch/arm/mach-shmobile/include/mach/hardware.h b/arch/arm/mach-shmobile/include/mach/hardware.h
index 3f0ef194603e..99264a5ce5e4 100644
--- a/arch/arm/mach-shmobile/include/mach/hardware.h
+++ b/arch/arm/mach-shmobile/include/mach/hardware.h
@@ -1,7 +1,4 @@
#ifndef __ASM_MACH_HARDWARE_H
#define __ASM_MACH_HARDWARE_H
-/* INTFLGA register - used by low level interrupt code in entry-macro.S */
-#define INTFLGA 0xe6980018
-
#endif /* __ASM_MACH_HARDWARE_H */
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