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| author | Paul Mundt <lethal@linux-sh.org> | 2010-10-02 01:04:30 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-10-02 01:04:30 +0900 |
| commit | f9d885c3e59e50863565bddd2672656b57b15035 (patch) | |
| tree | 07c3ac0cb2d56d037693b23ec2d09286bfee539b | |
| parent | e15f6870a2f2a29abcdb910b80f9629bcf7f5566 (diff) | |
| download | kernel_samsung_smdk4412-f9d885c3e59e50863565bddd2672656b57b15035.zip kernel_samsung_smdk4412-f9d885c3e59e50863565bddd2672656b57b15035.tar.gz kernel_samsung_smdk4412-f9d885c3e59e50863565bddd2672656b57b15035.tar.bz2 | |
sh: Support IRQ balancing for SH-X3 proto cores, too.
This adds in hardware IRQ auto-distribution support for SH-X3 proto CPUs,
following the SH7786 support.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-shx3.c | 15 | ||||
| -rw-r--r-- | drivers/sh/Kconfig | 2 |
2 files changed, 12 insertions, 5 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c index 9158bc5..04a4874 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-shx3.c +++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c @@ -1,7 +1,7 @@ /* * SH-X3 Prototype Setup * - * Copyright (C) 2007 - 2009 Paul Mundt + * Copyright (C) 2007 - 2010 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -354,6 +354,10 @@ static struct intc_group groups[] __initdata = { DMAC1_DMINT9, DMAC1_DMINT10, DMAC1_DMINT11), }; +#define INT2DISTCR0 0xfe4108a0 +#define INT2DISTCR1 0xfe4108a4 +#define INT2DISTCR2 0xfe4108a8 + static struct intc_mask_reg mask_registers[] __initdata = { { 0xfe410030, 0xfe410050, 32, /* CnINTMSK0 / CnINTMSKCLR0 */ { IRQ0, IRQ1, IRQ2, IRQ3 } }, @@ -363,20 +367,23 @@ static struct intc_mask_reg mask_registers[] __initdata = { { FE1, FE0, 0, ATAPI, VCORE0, VIN1, VIN0, IIC, DU, GPIO3, GPIO2, GPIO1, GPIO0, PAM, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* HUDI bits ignored */ - 0, TMU5, TMU4, TMU3, TMU2, TMU1, TMU0, 0, } }, + 0, TMU5, TMU4, TMU3, TMU2, TMU1, TMU0, 0, }, + INTC_SMP_BALANCING(INT2DISTCR0) }, { 0xfe410830, 0xfe410860, 32, /* CnINT2MSK1 / CnINT2MSKCLR1 */ { 0, 0, 0, 0, DTU3, DTU2, DTU1, DTU0, /* IRM bits ignored */ PCII9, PCII8, PCII7, PCII6, PCII5, PCII4, PCII3, PCII2, PCII1, PCII0, DMAC1_DMAE, DMAC1_DMINT11, DMAC1_DMINT10, DMAC1_DMINT9, DMAC1_DMINT8, DMAC1_DMINT7, DMAC1_DMINT6, DMAC0_DMAE, DMAC0_DMINT5, DMAC0_DMINT4, - DMAC0_DMINT3, DMAC0_DMINT2, DMAC0_DMINT1, DMAC0_DMINT0 } }, + DMAC0_DMINT3, DMAC0_DMINT2, DMAC0_DMINT1, DMAC0_DMINT0 }, + INTC_SMP_BALANCING(INT2DISTCR1) }, { 0xfe410840, 0xfe410870, 32, /* CnINT2MSK2 / CnINT2MSKCLR2 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, SCIF3_TXI, SCIF3_BRI, SCIF3_RXI, SCIF3_ERI, SCIF2_TXI, SCIF2_BRI, SCIF2_RXI, SCIF2_ERI, SCIF1_TXI, SCIF1_BRI, SCIF1_RXI, SCIF1_ERI, - SCIF0_TXI, SCIF0_BRI, SCIF0_RXI, SCIF0_ERI } }, + SCIF0_TXI, SCIF0_BRI, SCIF0_RXI, SCIF0_ERI }, + INTC_SMP_BALANCING(INT2DISTCR2) }, }; static struct intc_prio_reg prio_registers[] __initdata = { diff --git a/drivers/sh/Kconfig b/drivers/sh/Kconfig index a54de0b..1dc8b7a 100644 --- a/drivers/sh/Kconfig +++ b/drivers/sh/Kconfig @@ -14,7 +14,7 @@ config INTC_USERIMASK config INTC_BALANCING bool "Hardware IRQ balancing support" - depends on SMP && SUPERH && CPU_SUBTYPE_SH7786 + depends on SMP && SUPERH && CPU_SHX3 help This enables support for IRQ auto-distribution mode on SH-X3 SMP parts. All of the balancing and CPU wakeup decisions are |