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4227961650
- It's based on imx-cleanup-3.9 to avoid conflicts. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAABAgAGBQJRCRzjAAoJEFBXWFqHsHzOOTYH/2YiAhCXDoovJ++leTTBKoFO kRx2gvV0oxQYAjvRX4IiiwcuWjbCQI8ugiKxeH9Vn+jwHD8jKqzTINEUVQfKUud6 s8AI1/EqKwKnEFYFs/Fg6WxZHuHpoL/clpRB/5wZw1KoChmte2OnVU7d9vOt67iN l0P4nPR18iwU5LFoDCnqMX50Dp9C56KEF2JhzBCQKW9TtRclwpcBNy6AsHb/TNOe /nHN+Ku6/3xQEz2MPQ9QdmgFxnp9Pr8R6leJNg1Vg6UGRYrKxy0zVo+oFEXAZuUw v6gnhdlvO6Ki/IKHcWkw7Q7pUDTuB6SttirQE9mBlPdc0V3kTU82SVtX9WAQhSs= =rVol -----END PGP SIGNATURE----- Merge tag 'imx6q-cpudile-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc From Shawn Guo: imx6q cpuidle support for 3.9 - It's based on imx-cleanup-3.9 to avoid conflicts. * tag 'imx6q-cpudile-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: imx6q: support WAIT mode using cpuidle ARM: imx: move imx6q_cpuidle_driver into a separate file ARM: imx: mask gpc interrupts initially ARM: imx: return zero in case next event gets a large increment ARM: imx: Remove mx508 support ARM: imx: Remove mach-mx51_3ds board ARM: imx: use debug_ll_io_init() for imx6q ARM: imx: remove unused imx6q_clock_map_io() ARM: mach-imx: Kconfig: Do not select Babbage for MACH_IMX51_DT Signed-off-by: Olof Johansson <olof@lixom.net> Still, two delete/change conflicts caused by imx/cleanup: arch/arm/mach-imx/mach-mx50_rdp.c arch/arm/mach-imx/mach-mx51_3ds.c
105 lines
2.3 KiB
C
105 lines
2.3 KiB
C
/*
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* Copyright 2011 Freescale Semiconductor, Inc.
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* Copyright 2011 Linaro Ltd.
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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#include <linux/init.h>
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#include <linux/smp.h>
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#include <linux/irqchip/arm-gic.h>
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#include <asm/page.h>
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#include <asm/smp_scu.h>
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#include <asm/mach/map.h>
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#include "common.h"
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#include "hardware.h"
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#define SCU_STANDBY_ENABLE (1 << 5)
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static void __iomem *scu_base;
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static struct map_desc scu_io_desc __initdata = {
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/* .virtual and .pfn are run-time assigned */
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.length = SZ_4K,
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.type = MT_DEVICE,
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};
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void __init imx_scu_map_io(void)
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{
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unsigned long base;
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/* Get SCU base */
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asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (base));
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scu_io_desc.virtual = IMX_IO_P2V(base);
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scu_io_desc.pfn = __phys_to_pfn(base);
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iotable_init(&scu_io_desc, 1);
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scu_base = IMX_IO_ADDRESS(base);
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}
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void imx_scu_standby_enable(void)
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{
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u32 val = readl_relaxed(scu_base);
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val |= SCU_STANDBY_ENABLE;
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writel_relaxed(val, scu_base);
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}
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static void __cpuinit imx_secondary_init(unsigned int cpu)
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{
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/*
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* if any interrupts are already enabled for the primary
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* core (e.g. timer irq), then they will not have been enabled
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* for us: do so
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*/
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gic_secondary_init(0);
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}
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static int __cpuinit imx_boot_secondary(unsigned int cpu, struct task_struct *idle)
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{
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imx_set_cpu_jump(cpu, v7_secondary_startup);
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imx_enable_cpu(cpu, true);
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return 0;
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}
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/*
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* Initialise the CPU possible map early - this describes the CPUs
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* which may be present or become present in the system.
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*/
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static void __init imx_smp_init_cpus(void)
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{
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int i, ncores;
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ncores = scu_get_core_count(scu_base);
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for (i = 0; i < ncores; i++)
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set_cpu_possible(i, true);
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}
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void imx_smp_prepare(void)
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{
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scu_enable(scu_base);
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}
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static void __init imx_smp_prepare_cpus(unsigned int max_cpus)
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{
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imx_smp_prepare();
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}
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struct smp_operations imx_smp_ops __initdata = {
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.smp_init_cpus = imx_smp_init_cpus,
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.smp_prepare_cpus = imx_smp_prepare_cpus,
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.smp_secondary_init = imx_secondary_init,
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.smp_boot_secondary = imx_boot_secondary,
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#ifdef CONFIG_HOTPLUG_CPU
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.cpu_die = imx_cpu_die,
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#endif
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};
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