static inline void highbank_lluart_map_io(void) {}
#endif
+#ifdef CONFIG_PM_SLEEP
+extern void highbank_pm_init(void);
+#else
+static inline void highbank_pm_init(void) {}
+#endif
+
extern void highbank_smc1(int fn, int arg);
+ extern void highbank_cpu_die(unsigned int cpu);
+
+ extern struct smp_operations highbank_smp_ops;
--- /dev/null
+/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include <linux/init.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+
+#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
+
+#include <mach/board.h>
+#include "common.h"
++#include "core.h"
+
+static const struct of_device_id msm_dt_gic_match[] __initconst = {
+ { .compatible = "qcom,msm-8660-qgic", .data = gic_of_init },
+ {}
+};
+
+static void __init msm8x60_init_irq(void)
+{
+ of_irq_init(msm_dt_gic_match);
+}
+
+static void __init msm8x60_init_late(void)
+{
+ smd_debugfs_init();
+}
+
+static struct of_dev_auxdata msm_auxdata_lookup[] __initdata = {
+ {}
+};
+
+static void __init msm8x60_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table,
+ msm_auxdata_lookup, NULL);
+}
+
+static const char *msm8x60_fluid_match[] __initdata = {
+ "qcom,msm8660-fluid",
+ "qcom,msm8660-surf",
+ NULL
+};
+
+DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)")
++ .smp = smp_ops(msm_smp_ops),
+ .map_io = msm_map_msm8x60_io,
+ .init_irq = msm8x60_init_irq,
+ .handle_irq = gic_handle_irq,
+ .init_machine = msm8x60_dt_init,
+ .init_late = msm8x60_init_late,
+ .timer = &msm_dt_timer,
+ .dt_compat = msm8x60_fluid_match,
+MACHINE_END
--- /dev/null
+/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include <linux/init.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+
+#include <asm/hardware/gic.h>
+#include <asm/mach/arch.h>
+
+#include "common.h"
++#include "core.h"
+
+static const struct of_device_id msm_dt_gic_match[] __initconst = {
+ { .compatible = "qcom,msm-qgic2", .data = gic_of_init },
+ { }
+};
+
+static void __init msm_dt_init_irq(void)
+{
+ of_irq_init(msm_dt_gic_match);
+}
+
+static void __init msm_dt_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static const char * const msm8960_dt_match[] __initconst = {
+ "qcom,msm8960-cdp",
+ NULL
+};
+
+DT_MACHINE_START(MSM8960_DT, "Qualcomm MSM (Flattened Device Tree)")
++ .smp = smp_ops(msm_smp_ops),
+ .map_io = msm_map_msm8960_io,
+ .init_irq = msm_dt_init_irq,
+ .timer = &msm_dt_timer,
+ .init_machine = msm_dt_init,
+ .dt_compat = msm8960_dt_match,
+ .handle_irq = gic_handle_irq,
+MACHINE_END
#include <asm/mach-types.h>
#include <asm/smp_plat.h>
-#include <mach/msm_iomap.h>
-
#include "scm-boot.h"
+ #include "core.h"
#define VDD_SC1_ARRAY_CLAMP_GFS_CTL 0x15A0
#define SCSS_CPU1CORE_RESET 0xD80
#define SCSS_DBG_STATUS_CORE_PWRDUP 0xE64
-/* Mask for edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
-#define GIC_PPI_EDGE_MASK 0xFFFFD7FF
-
extern void msm_secondary_startup(void);
- /*
- * control for which core is the next to come out of the secondary
- * boot "holding pen".
- */
- volatile int pen_release = -1;
static DEFINE_SPINLOCK(boot_lock);
return ((read_cpuid_id() >> 4) & 3) + 1;
}
- void __cpuinit platform_secondary_init(unsigned int cpu)
+ static void __cpuinit msm_secondary_init(unsigned int cpu)
{
- /* Configure edge-triggered PPIs */
- writel(GIC_PPI_EDGE_MASK, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);
-
/*
* if any interrupts are already enabled for the primary
* core (e.g. timer irq), then they will not have been enabled
#include <mach/irqs.h>
#include "board.h"
-#include "board-harmony.h"
#include "clock.h"
#include "devices.h"
+ #include "common.h"
struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = {
OF_DEV_AUXDATA("nvidia,tegra20-sdhci", TEGRA_SDMMC1_BASE, "sdhci-tegra.0", NULL),
--- /dev/null
+ extern struct smp_operations tegra_smp_ops;
+
+ extern void tegra_cpu_die(unsigned int cpu);
++extern int tegra_cpu_disable(unsigned int cpu);
#include <linux/smp.h>
#include <asm/cacheflush.h>
-#include <asm/cp15.h>
+#include <asm/smp_plat.h>
-static inline void cpu_enter_lowpower(void)
-{
- unsigned int v;
-
- flush_cache_all();
- asm volatile(
- " mcr p15, 0, %1, c7, c5, 0\n"
- " mcr p15, 0, %1, c7, c10, 4\n"
- /*
- * Turn off coherency
- */
- " mrc p15, 0, %0, c1, c0, 1\n"
- " bic %0, %0, #0x20\n"
- " mcr p15, 0, %0, c1, c0, 1\n"
- " mrc p15, 0, %0, c1, c0, 0\n"
- " bic %0, %0, %2\n"
- " mcr p15, 0, %0, c1, c0, 0\n"
- : "=&r" (v)
- : "r" (0), "Ir" (CR_C)
- : "cc");
-}
+#include "sleep.h"
+#include "tegra_cpu_car.h"
-static inline void cpu_leave_lowpower(void)
-{
- unsigned int v;
-
- asm volatile(
- "mrc p15, 0, %0, c1, c0, 0\n"
- " orr %0, %0, %1\n"
- " mcr p15, 0, %0, c1, c0, 0\n"
- " mrc p15, 0, %0, c1, c0, 1\n"
- " orr %0, %0, #0x20\n"
- " mcr p15, 0, %0, c1, c0, 1\n"
- : "=&r" (v)
- : "Ir" (CR_C)
- : "cc");
-}
-
-static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
-{
- /*
- * there is no power-control hardware on this platform, so all
- * we can do is put the core into WFI; this is safe as the calling
- * code will have already disabled interrupts
- */
- for (;;) {
- /*
- * here's the WFI
- */
- asm(".word 0xe320f003\n"
- :
- :
- : "memory", "cc");
-
- /*if (pen_release == cpu) {*/
- /*
- * OK, proper wakeup, we're done
- */
- break;
- /*}*/
-
- /*
- * Getting here, means that we have come out of WFI without
- * having been woken up - this shouldn't happen
- *
- * Just note it happening - when we're woken, we can report
- * its occurrence.
- */
- (*spurious)++;
- }
-}
+static void (*tegra_hotplug_shutdown)(void);
- int platform_cpu_kill(unsigned int cpu)
- {
- return 1;
- }
-
/*
* platform-specific code to shutdown a CPU
*
* Called with IRQs disabled
*/
- void platform_cpu_die(unsigned int cpu)
+ void __ref tegra_cpu_die(unsigned int cpu)
{
- int spurious = 0;
+ cpu = cpu_logical_map(cpu);
- /*
- * we're ready for shutdown now, so do it
- */
- cpu_enter_lowpower();
- platform_do_lowpower(cpu, &spurious);
+ /* Flush the L1 data cache. */
+ flush_cache_all();
+
+ /* Shut down the current CPU. */
+ tegra_hotplug_shutdown();
+
+ /* Clock gate the CPU */
+ tegra_wait_cpu_in_reset(cpu);
+ tegra_disable_cpu_clock(cpu);
+
+ /* Should never return here. */
+ BUG();
+}
- int platform_cpu_disable(unsigned int cpu)
++int tegra_cpu_disable(unsigned int cpu)
+{
/*
- * bring this CPU back into the world of cache
- * coherency, and then restore interrupts
+ * we don't allow CPU 0 to be shutdown (it is still too special
+ * e.g. clock tick interrupts)
*/
- cpu_leave_lowpower();
+ return cpu == 0 ? -EPERM : 0;
+}
- if (spurious)
- pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious);
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+extern void tegra20_hotplug_shutdown(void);
+void __init tegra20_hotplug_init(void)
+{
+ tegra_hotplug_shutdown = tegra20_hotplug_shutdown;
+}
+#endif
+
+#ifdef CONFIG_ARCH_TEGRA_3x_SOC
+extern void tegra30_hotplug_shutdown(void);
+void __init tegra30_hotplug_init(void)
+{
+ tegra_hotplug_shutdown = tegra30_hotplug_shutdown;
}
+#endif
#include "fuse.h"
#include "flowctrl.h"
#include "reset.h"
+#include "tegra_cpu_car.h"
+ #include "common.h"
+
extern void tegra_secondary_startup(void);
static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);
#define EVP_CPU_RESET_VECTOR \
(IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE) + 0x100)
-#define CLK_RST_CONTROLLER_CLK_CPU_CMPLX \
- (IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x4c)
-#define CLK_RST_CONTROLLER_RST_CPU_CMPLX_SET \
- (IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x340)
-#define CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR \
- (IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x344)
-#define CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR \
- (IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x34c)
-
-#define CPU_CLOCK(cpu) (0x1<<(8+cpu))
-#define CPU_RESET(cpu) (0x1111ul<<(cpu))
- void __cpuinit platform_secondary_init(unsigned int cpu)
+ static void __cpuinit tegra_secondary_init(unsigned int cpu)
{
/*
* if any interrupts are already enabled for the primary
tegra_cpu_reset_handler_init();
scu_enable(scu_base);
}
+
+ struct smp_operations tegra_smp_ops __initdata = {
+ .smp_init_cpus = tegra_smp_init_cpus,
+ .smp_prepare_cpus = tegra_smp_prepare_cpus,
+ .smp_secondary_init = tegra_secondary_init,
+ .smp_boot_secondary = tegra_boot_secondary,
+ #ifdef CONFIG_HOTPLUG_CPU
+ .cpu_die = tegra_cpu_die,
++ .cpu_disable = tegra_cpu_disable,
+ #endif
+ };
projects / can-eth-gw-linux.git / commitdiff