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| author |   Paul Mundt <lethal@linux-sh.org> | 2010-12-21 00:40:51 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-12-21 00:40:51 +0900 |
| commit | 8bcee1832d23869c2cdb6886ae5210b0143256f0 (patch) | |
| tree | 9fac190248ed9ed10fe4e6f7b1b4cda8eaef7ddd /arch/arm/mach-shmobile/include | |
| parent | ARM: mach-shmobile: Bump up NR_IRQS to 1024 (diff) | |
| parent | ARM: mach-shmobile: INTC interrupt priority level demux fix (diff) | |
| download | linux-dev-8bcee1832d23869c2cdb6886ae5210b0143256f0.tar.xz linux-dev-8bcee1832d23869c2cdb6886ae5210b0143256f0.zip | |
Merge branch 'rmobile/urgent' into rmobile-latest
Conflicts:
arch/arm/mach-shmobile/include/mach/entry-macro.S
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-shmobile/include')
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/entry-macro-intc.S | 30 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/vmalloc.h | 2 |
2 files changed, 27 insertions, 5 deletions
diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro-intc.S b/arch/arm/mach-shmobile/include/mach/entry-macro-intc.S index a285d13c7416..f428c4db2b60 100644 --- a/arch/arm/mach-shmobile/include/mach/entry-macro-intc.S +++ b/arch/arm/mach-shmobile/include/mach/entry-macro-intc.S @@ -1,4 +1,5 @@ /* + * Copyright (C) 2010 Magnus Damm * Copyright (C) 2008 Renesas Solutions Corp. * * This program is free software; you can redistribute it and/or modify @@ -14,24 +15,45 @@ * 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 <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, =INTFLGA + ldr \base, =INTCA_BASE .endm .macro arch_ret_to_user, tmp1, tmp2 .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - ldr \irqnr, [\base] + /* 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 - /* intevt to irq number */ + + /* Convert vector to irq number, same as the evt2irq() macro */ lsr \irqnr, \irqnr, #0x5 subs \irqnr, \irqnr, #16 diff --git a/arch/arm/mach-shmobile/include/mach/vmalloc.h b/arch/arm/mach-shmobile/include/mach/vmalloc.h index 4aecf6e3a859..2b8fd8b942fe 100644 --- a/arch/arm/mach-shmobile/include/mach/vmalloc.h +++ b/arch/arm/mach-shmobile/include/mach/vmalloc.h @@ -2,6 +2,6 @@ #define __ASM_MACH_VMALLOC_H /* Vmalloc at ... - 0xe5ffffff */ -#define VMALLOC_END 0xe6000000 +#define VMALLOC_END 0xe6000000UL #endif /* __ASM_MACH_VMALLOC_H */ |