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Commit c309f7f4 authored by Tony Lindgren's avatar Tony Lindgren
Browse files

Merge branch 'for_3.10/omap_generic_cleanup_v2' of...

Merge branch 'for_3.10/omap_generic_cleanup_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux into omap-for-v3.10/cleanup-v2
parents cdcbdfb2 fd1c0786
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+0 −3
Original line number Diff line number Diff line
@@ -107,8 +107,6 @@ static int __omap3_enter_idle(struct cpuidle_device *dev,
{
	struct omap3_idle_statedata *cx = &omap3_idle_data[index];

	local_fiq_disable();

	if (omap_irq_pending() || need_resched())
		goto return_sleep_time;

@@ -143,7 +141,6 @@ static int __omap3_enter_idle(struct cpuidle_device *dev,
		clkdm_allow_idle(mpu_pd->pwrdm_clkdms[0]);

return_sleep_time:
	local_fiq_enable();

	return index;
}
+0 −7
Original line number Diff line number Diff line
@@ -70,10 +70,7 @@ static int omap4_enter_idle_simple(struct cpuidle_device *dev,
			struct cpuidle_driver *drv,
			int index)
{
	local_fiq_disable();
	omap_do_wfi();
	local_fiq_enable();

	return index;
}

@@ -84,8 +81,6 @@ static int omap4_enter_idle_coupled(struct cpuidle_device *dev,
	struct omap4_idle_statedata *cx = &omap4_idle_data[index];
	int cpu_id = smp_processor_id();

	local_fiq_disable();

	/*
	 * CPU0 has to wait and stay ON until CPU1 is OFF state.
	 * This is necessary to honour hardware recommondation
@@ -158,8 +153,6 @@ static int omap4_enter_idle_coupled(struct cpuidle_device *dev,
	cpuidle_coupled_parallel_barrier(dev, &abort_barrier);
	cpu_done[dev->cpu] = false;

	local_fiq_enable();

	return index;
}

+0 −6
Original line number Diff line number Diff line
@@ -19,11 +19,8 @@
#include <linux/smp.h>
#include <linux/io.h>

#include <asm/cacheflush.h>
#include "omap-wakeupgen.h"

#include "common.h"

#include "powerdomain.h"

/*
@@ -35,9 +32,6 @@ void __ref omap4_cpu_die(unsigned int cpu)
	unsigned int boot_cpu = 0;
	void __iomem *base = omap_get_wakeupgen_base();

	flush_cache_all();
	dsb();

	/*
	 * we're ready for shutdown now, so do it
	 */
+20 −37
Original line number Diff line number Diff line
@@ -21,7 +21,6 @@
#include <linux/io.h>
#include <linux/irqchip/arm-gic.h>

#include <asm/cacheflush.h>
#include <asm/smp_scu.h>

#include "omap-secure.h"
@@ -103,9 +102,6 @@ static int __cpuinit omap4_boot_secondary(unsigned int cpu, struct task_struct *
	else
		__raw_writel(0x20, base + OMAP_AUX_CORE_BOOT_0);

	flush_cache_all();
	smp_wmb();

	if (!cpu1_clkdm)
		cpu1_clkdm = clkdm_lookup("mpu1_clkdm");

@@ -168,38 +164,6 @@ static int __cpuinit omap4_boot_secondary(unsigned int cpu, struct task_struct *
	return 0;
}

static void __init wakeup_secondary(void)
{
	void *startup_addr = omap_secondary_startup;
	void __iomem *base = omap_get_wakeupgen_base();

	if (cpu_is_omap446x()) {
		startup_addr = omap_secondary_startup_4460;
		pm44xx_errata |= PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD;
	}

	/*
	 * Write the address of secondary startup routine into the
	 * AuxCoreBoot1 where ROM code will jump and start executing
	 * on secondary core once out of WFE
	 * A barrier is added to ensure that write buffer is drained
	 */
	if (omap_secure_apis_support())
		omap_auxcoreboot_addr(virt_to_phys(startup_addr));
	else
		__raw_writel(virt_to_phys(omap5_secondary_startup),
						base + OMAP_AUX_CORE_BOOT_1);

	smp_wmb();

	/*
	 * Send a 'sev' to wake the secondary core from WFE.
	 * Drain the outstanding writes to memory
	 */
	dsb_sev();
	mb();
}

/*
 * Initialise the CPU possible map early - this describes the CPUs
 * which may be present or become present in the system.
@@ -235,6 +199,8 @@ static void __init omap4_smp_init_cpus(void)

static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
{
	void *startup_addr = omap_secondary_startup;
	void __iomem *base = omap_get_wakeupgen_base();

	/*
	 * Initialise the SCU and wake up the secondary core using
@@ -242,7 +208,24 @@ static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
	 */
	if (scu_base)
		scu_enable(scu_base);
	wakeup_secondary();

	if (cpu_is_omap446x()) {
		startup_addr = omap_secondary_startup_4460;
		pm44xx_errata |= PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD;
	}

	/*
	 * Write the address of secondary startup routine into the
	 * AuxCoreBoot1 where ROM code will jump and start executing
	 * on secondary core once out of WFE
	 * A barrier is added to ensure that write buffer is drained
	 */
	if (omap_secure_apis_support())
		omap_auxcoreboot_addr(virt_to_phys(startup_addr));
	else
		__raw_writel(virt_to_phys(omap5_secondary_startup),
						base + OMAP_AUX_CORE_BOOT_1);

}

struct smp_operations omap4_smp_ops __initdata = {
+16 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@
#include <linux/of_platform.h>
#include <linux/export.h>
#include <linux/irqchip/arm-gic.h>
#include <linux/of_address.h>

#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/map.h>
@@ -258,6 +259,21 @@ omap_early_initcall(omap4_sar_ram_init);

void __init omap_gic_of_init(void)
{
	struct device_node *np;

	/* Extract GIC distributor and TWD bases for OMAP4460 ROM Errata WA */
	if (!cpu_is_omap446x())
		goto skip_errata_init;

	np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-gic");
	gic_dist_base_addr = of_iomap(np, 0);
	WARN_ON(!gic_dist_base_addr);

	np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-twd-timer");
	twd_base = of_iomap(np, 0);
	WARN_ON(!twd_base);

skip_errata_init:
	omap_wakeupgen_init();
	irqchip_init();
}
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