From: Santosh Shilimkar <santosh.shilimkar@ti.com> To: linux-arm-kernel@lists.infradead.org Cc: linux-omap@vger.kernel.org, ccross@android.com, catalin.marinas@arm.com, linux@arm.linux.org.uk, linus.ml.walleij@gmail.com, Santosh Shilimkar <santosh.shilimkar@ti.com>, Russell King <rmk+kernel@arm.linux.org.uk> Subject: [PATCH 2/5] ARM: gic: Add distributor and interface enable/disable accessory api Date: Mon, 24 Jan 2011 14:21:16 +0530 [thread overview] Message-ID: <1295859080-15259-3-git-send-email-santosh.shilimkar@ti.com> (raw) In-Reply-To: <1295859080-15259-1-git-send-email-santosh.shilimkar@ti.com> The power management code needs to have access to enable/disable the gic cpu interface and distributor based on targetted low power states. This patch adds and exports one API each for distributor and cpu interface enable/disable. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> --- arch/arm/common/gic.c | 24 ++++++++++++++++++++++++ arch/arm/include/asm/hardware/gic.h | 2 ++ 2 files changed, 26 insertions(+), 0 deletions(-) diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index b4a9ea7..6384bb7 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -369,6 +369,30 @@ void __cpuinit gic_enable_ppi(unsigned int irq) local_irq_restore(flags); } +/* Used in power management paths */ +void gic_secondary_set(unsigned int gic_nr, unsigned int on) +{ + BUG_ON(gic_nr >= MAX_GIC_NR); + + if (on) { + __raw_writel(0xf0, gic_data[gic_nr].cpu_base + GIC_CPU_PRIMASK); + __raw_writel(1, gic_data[gic_nr].cpu_base + GIC_CPU_CTRL); + + } else { + __raw_writel(0, gic_data[gic_nr].cpu_base + GIC_CPU_CTRL); + } +} + +void gic_dist_set(unsigned int gic_nr, unsigned int on) +{ + BUG_ON(gic_nr >= MAX_GIC_NR); + + if (on) + __raw_writel(0x1, gic_data[gic_nr].dist_base + GIC_DIST_CTRL); + else + __raw_writel(0, gic_data[gic_nr].cpu_base + GIC_CPU_CTRL); +} + #ifdef CONFIG_SMP void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) { diff --git a/arch/arm/include/asm/hardware/gic.h b/arch/arm/include/asm/hardware/gic.h index 0691f9d..638d9dc 100644 --- a/arch/arm/include/asm/hardware/gic.h +++ b/arch/arm/include/asm/hardware/gic.h @@ -41,6 +41,8 @@ void gic_secondary_init(unsigned int); void gic_cascade_irq(unsigned int gic_nr, unsigned int irq); void gic_raise_softirq(const struct cpumask *mask, unsigned int irq); void gic_enable_ppi(unsigned int); +void gic_secondary_set(unsigned int gic_nr, unsigned int on); +void gic_dist_set(unsigned int gic_nr, unsigned int on); #endif #endif -- 1.6.0.4
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From: santosh.shilimkar@ti.com (Santosh Shilimkar) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/5] ARM: gic: Add distributor and interface enable/disable accessory api Date: Mon, 24 Jan 2011 14:21:16 +0530 [thread overview] Message-ID: <1295859080-15259-3-git-send-email-santosh.shilimkar@ti.com> (raw) In-Reply-To: <1295859080-15259-1-git-send-email-santosh.shilimkar@ti.com> The power management code needs to have access to enable/disable the gic cpu interface and distributor based on targetted low power states. This patch adds and exports one API each for distributor and cpu interface enable/disable. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> --- arch/arm/common/gic.c | 24 ++++++++++++++++++++++++ arch/arm/include/asm/hardware/gic.h | 2 ++ 2 files changed, 26 insertions(+), 0 deletions(-) diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index b4a9ea7..6384bb7 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -369,6 +369,30 @@ void __cpuinit gic_enable_ppi(unsigned int irq) local_irq_restore(flags); } +/* Used in power management paths */ +void gic_secondary_set(unsigned int gic_nr, unsigned int on) +{ + BUG_ON(gic_nr >= MAX_GIC_NR); + + if (on) { + __raw_writel(0xf0, gic_data[gic_nr].cpu_base + GIC_CPU_PRIMASK); + __raw_writel(1, gic_data[gic_nr].cpu_base + GIC_CPU_CTRL); + + } else { + __raw_writel(0, gic_data[gic_nr].cpu_base + GIC_CPU_CTRL); + } +} + +void gic_dist_set(unsigned int gic_nr, unsigned int on) +{ + BUG_ON(gic_nr >= MAX_GIC_NR); + + if (on) + __raw_writel(0x1, gic_data[gic_nr].dist_base + GIC_DIST_CTRL); + else + __raw_writel(0, gic_data[gic_nr].cpu_base + GIC_CPU_CTRL); +} + #ifdef CONFIG_SMP void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) { diff --git a/arch/arm/include/asm/hardware/gic.h b/arch/arm/include/asm/hardware/gic.h index 0691f9d..638d9dc 100644 --- a/arch/arm/include/asm/hardware/gic.h +++ b/arch/arm/include/asm/hardware/gic.h @@ -41,6 +41,8 @@ void gic_secondary_init(unsigned int); void gic_cascade_irq(unsigned int gic_nr, unsigned int irq); void gic_raise_softirq(const struct cpumask *mask, unsigned int irq); void gic_enable_ppi(unsigned int); +void gic_secondary_set(unsigned int gic_nr, unsigned int on); +void gic_dist_set(unsigned int gic_nr, unsigned int on); #endif #endif -- 1.6.0.4
next prev parent reply other threads:[~2011-01-24 8:51 UTC|newest] Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-01-24 8:51 [PATCH 0/5] ARM: Few patches for PM enablement Santosh Shilimkar 2011-01-24 8:51 ` Santosh Shilimkar 2011-01-24 8:51 ` [PATCH 1/5] ARM: gic: Add hooks for architecture specific extensions Santosh Shilimkar 2011-01-24 8:51 ` Santosh Shilimkar 2011-01-25 3:03 ` Colin Cross 2011-01-25 3:03 ` Colin Cross 2011-01-25 20:54 ` Colin Cross 2011-01-25 20:54 ` Colin Cross 2011-01-26 7:22 ` Santosh Shilimkar 2011-01-26 7:22 ` Santosh Shilimkar 2011-01-26 7:23 ` Colin Cross 2011-01-26 7:23 ` Colin Cross 2011-01-26 7:31 ` Santosh Shilimkar 2011-01-26 7:31 ` Santosh Shilimkar 2011-01-26 7:52 ` Colin Cross 2011-01-26 7:52 ` Colin Cross 2011-01-26 7:55 ` Santosh Shilimkar 2011-01-26 7:55 ` Santosh Shilimkar 2011-01-24 8:51 ` Santosh Shilimkar [this message] 2011-01-24 8:51 ` [PATCH 2/5] ARM: gic: Add distributor and interface enable/disable accessory api Santosh Shilimkar 2011-03-01 5:58 ` Santosh Shilimkar 2011-03-01 5:58 ` Santosh Shilimkar 2011-01-24 8:51 ` [PATCH 3/5] ARM: twd: Add context save restore support Santosh Shilimkar 2011-01-24 8:51 ` Santosh Shilimkar 2011-01-24 11:06 ` Russell King - ARM Linux 2011-01-24 11:06 ` Russell King - ARM Linux 2011-01-24 11:11 ` Russell King - ARM Linux 2011-01-24 11:11 ` Russell King - ARM Linux 2011-01-24 11:16 ` Santosh Shilimkar 2011-01-24 11:16 ` Santosh Shilimkar 2011-01-25 7:39 ` Colin Cross 2011-01-25 7:39 ` Colin Cross 2011-01-25 10:32 ` Russell King - ARM Linux 2011-01-25 10:32 ` Russell King - ARM Linux 2011-01-25 13:23 ` Thomas Gleixner 2011-01-25 13:23 ` Thomas Gleixner 2011-01-25 13:37 ` Russell King - ARM Linux 2011-01-25 13:37 ` Russell King - ARM Linux 2011-01-25 13:55 ` Santosh Shilimkar 2011-01-25 13:55 ` Santosh Shilimkar 2011-01-25 14:12 ` Thomas Gleixner 2011-01-25 14:12 ` Thomas Gleixner 2011-01-25 14:15 ` Russell King - ARM Linux 2011-01-25 14:15 ` Russell King - ARM Linux 2011-01-25 14:24 ` Thomas Gleixner 2011-01-25 14:24 ` Thomas Gleixner 2011-01-25 16:04 ` Santosh Shilimkar 2011-01-25 16:04 ` Santosh Shilimkar 2011-01-25 16:13 ` Russell King - ARM Linux 2011-01-25 16:13 ` Russell King - ARM Linux 2011-01-25 16:14 ` Santosh Shilimkar 2011-01-25 16:14 ` Santosh Shilimkar 2011-01-25 11:29 ` Russell King - ARM Linux 2011-01-25 11:29 ` Russell King - ARM Linux 2011-01-25 11:40 ` Santosh Shilimkar 2011-01-25 11:40 ` Santosh Shilimkar 2011-01-25 11:48 ` Russell King - ARM Linux 2011-01-25 11:48 ` Russell King - ARM Linux 2011-01-25 12:08 ` Santosh Shilimkar 2011-01-25 12:08 ` Santosh Shilimkar 2011-01-25 12:17 ` Russell King - ARM Linux 2011-01-25 12:17 ` Russell King - ARM Linux 2011-01-25 12:20 ` Santosh Shilimkar 2011-01-25 12:20 ` Santosh Shilimkar 2011-01-25 18:44 ` Colin Cross 2011-01-25 18:44 ` Colin Cross 2011-01-24 11:14 ` Santosh Shilimkar 2011-01-24 11:14 ` Santosh Shilimkar 2011-01-24 8:51 ` [PATCH 4/5] ARM: scu: Move register defines to header file Santosh Shilimkar 2011-01-24 8:51 ` Santosh Shilimkar 2011-01-25 11:46 ` Russell King - ARM Linux 2011-01-25 11:46 ` Russell King - ARM Linux 2011-01-25 12:02 ` Santosh Shilimkar 2011-01-25 12:02 ` Santosh Shilimkar 2011-01-25 12:16 ` Russell King - ARM Linux 2011-01-25 12:16 ` Russell King - ARM Linux 2011-01-25 12:29 ` Russell King - ARM Linux 2011-01-25 12:29 ` Russell King - ARM Linux 2011-01-25 12:39 ` Santosh Shilimkar 2011-01-25 12:39 ` Santosh Shilimkar 2011-01-25 12:36 ` Santosh Shilimkar 2011-01-25 12:36 ` Santosh Shilimkar 2011-01-25 12:56 ` Russell King - ARM Linux 2011-01-25 12:56 ` Russell King - ARM Linux 2011-01-25 13:04 ` Russell King - ARM Linux 2011-01-25 13:04 ` Russell King - ARM Linux 2011-01-25 13:06 ` Russell King - ARM Linux 2011-01-25 13:06 ` Russell King - ARM Linux 2011-01-25 18:23 ` Santosh Shilimkar 2011-01-25 18:23 ` Santosh Shilimkar 2011-02-04 10:41 ` Russell King - ARM Linux 2011-02-04 10:41 ` Russell King - ARM Linux 2011-02-04 10:46 ` Santosh Shilimkar 2011-02-04 10:46 ` Santosh Shilimkar 2011-02-04 11:30 ` Russell King - ARM Linux 2011-02-04 11:30 ` Russell King - ARM Linux 2011-02-04 11:34 ` Santosh Shilimkar 2011-02-04 11:34 ` Santosh Shilimkar 2011-02-07 9:51 ` Santosh Shilimkar 2011-02-07 9:51 ` Santosh Shilimkar 2011-02-07 10:18 ` Russell King - ARM Linux 2011-02-07 10:18 ` Russell King - ARM Linux 2011-02-07 10:21 ` Santosh Shilimkar 2011-02-07 10:21 ` Santosh Shilimkar 2011-02-07 10:23 ` Russell King - ARM Linux 2011-02-07 10:23 ` Russell King - ARM Linux 2011-02-07 10:30 ` Santosh Shilimkar 2011-02-07 10:30 ` Santosh Shilimkar 2011-02-10 14:49 ` Santosh Shilimkar 2011-02-10 14:49 ` Santosh Shilimkar 2011-02-10 16:13 ` Russell King - ARM Linux 2011-02-10 16:13 ` Russell King - ARM Linux 2011-02-10 16:26 ` Santosh Shilimkar 2011-02-10 16:26 ` Santosh Shilimkar 2011-01-25 13:05 ` Santosh Shilimkar 2011-01-25 13:05 ` Santosh Shilimkar 2011-01-25 13:41 ` Russell King - ARM Linux 2011-01-25 13:41 ` Russell King - ARM Linux 2011-01-25 13:47 ` Santosh Shilimkar 2011-01-25 13:47 ` Santosh Shilimkar 2011-01-24 8:51 ` [PATCH 5/5] ARM: smp: Skip secondary cpu calibration to speed-up boot Santosh Shilimkar 2011-01-24 8:51 ` Santosh Shilimkar 2011-01-24 10:30 ` Russell King - ARM Linux 2011-01-24 10:30 ` Russell King - ARM Linux 2011-01-24 8:51 ` Santosh Shilimkar 2011-01-24 8:51 ` Santosh Shilimkar 2011-01-24 8:55 ` Santosh Shilimkar 2011-01-24 8:55 ` Santosh Shilimkar 2011-02-04 10:19 ` [PATCH 0/5] ARM: Few patches for PM enablement Santosh Shilimkar 2011-02-04 10:19 ` Santosh Shilimkar 2011-02-11 14:24 ` Santosh Shilimkar 2011-02-11 14:24 ` Santosh Shilimkar
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