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authorScott Wood <scottwood@freescale.com>2013-11-01 21:17:16 (GMT)
committerScott Wood <scottwood@freescale.com>2013-11-03 22:47:10 (GMT)
commit31110de40dca4d4aeff4f253b3def948b88fa590 (patch)
tree0d811783836d52f15e37b4244de54f44ed4f93ad /arch/powerpc/platforms/cell/cbe_cpufreq.c
parentae60d5d27c429b13cf28a09ab8b9d30682433c5a (diff)
parent8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff)
downloadlinux-fsl-qoriq-31110de40dca4d4aeff4f253b3def948b88fa590.tar.xz
Merge tag 'v3.10' into sdk-kernel-3.10
git rebase --continue Linux 3.10 Conflicts: Documentation/virtual/kvm/api.txt arch/ia64/kvm/Makefile arch/powerpc/Kconfig arch/powerpc/Makefile arch/powerpc/boot/dts/b4420qds.dts arch/powerpc/boot/dts/b4860qds.dts arch/powerpc/boot/dts/b4qds.dts arch/powerpc/boot/dts/fsl/b4420si-post.dtsi arch/powerpc/boot/dts/fsl/b4420si-pre.dtsi arch/powerpc/boot/dts/fsl/b4860si-post.dtsi arch/powerpc/boot/dts/fsl/b4860si-pre.dtsi arch/powerpc/boot/dts/fsl/b4si-post.dtsi arch/powerpc/boot/dts/fsl/p1010si-post.dtsi arch/powerpc/boot/dts/fsl/p2041si-post.dtsi arch/powerpc/boot/dts/fsl/p3041si-post.dtsi arch/powerpc/boot/dts/fsl/p4080si-post.dtsi arch/powerpc/boot/dts/fsl/p5020si-post.dtsi arch/powerpc/boot/dts/fsl/p5040si-post.dtsi arch/powerpc/boot/dts/fsl/qonverge-usb2-dr-0.dtsi arch/powerpc/boot/dts/fsl/qoriq-sec5.0-0.dtsi arch/powerpc/boot/dts/fsl/t4240si-post.dtsi arch/powerpc/boot/dts/fsl/t4240si-pre.dtsi arch/powerpc/boot/dts/p1025rdb_36b.dts arch/powerpc/boot/dts/t4240qds.dts arch/powerpc/configs/corenet64_smp_defconfig arch/powerpc/configs/mpc85xx_defconfig arch/powerpc/configs/mpc85xx_smp_defconfig arch/powerpc/include/asm/cputable.h arch/powerpc/include/asm/kvm_host.h arch/powerpc/include/asm/kvm_ppc.h arch/powerpc/include/asm/machdep.h arch/powerpc/include/uapi/asm/kvm.h arch/powerpc/kernel/cpu_setup_fsl_booke.S arch/powerpc/kernel/cputable.c arch/powerpc/kernel/idle.c arch/powerpc/kernel/pci-common.c arch/powerpc/kvm/Kconfig arch/powerpc/kvm/book3s.c arch/powerpc/kvm/booke.c arch/powerpc/kvm/e500.c arch/powerpc/kvm/e500_mmu.c arch/powerpc/kvm/e500_mmu_host.c arch/powerpc/kvm/e500mc.c arch/powerpc/kvm/emulate.c arch/powerpc/kvm/irq.h arch/powerpc/kvm/mpic.c arch/powerpc/kvm/powerpc.c arch/powerpc/mm/tlb_nohash.c arch/powerpc/platforms/85xx/Kconfig arch/powerpc/platforms/85xx/b4_qds.c arch/powerpc/platforms/85xx/t4240_qds.c arch/powerpc/platforms/pseries/smp.c arch/powerpc/sysdev/fsl_85xx_l2ctlr.c arch/powerpc/sysdev/fsl_msi.c arch/powerpc/sysdev/fsl_pci.c arch/powerpc/sysdev/fsl_pci.h arch/powerpc/sysdev/mpic.c arch/x86/kvm/Makefile arch/x86/kvm/x86.c drivers/Kconfig drivers/clk/Kconfig drivers/cpufreq/Makefile drivers/crypto/caam/caamalg.c drivers/crypto/caam/intern.h drivers/crypto/caam/jr.c drivers/crypto/caam/regs.h drivers/infiniband/ulp/ipoib/ipoib_ethtool.c drivers/iommu/Makefile drivers/iommu/amd_iommu.c drivers/iommu/exynos-iommu.c drivers/iommu/intel-iommu.c drivers/iommu/iommu.c drivers/iommu/msm_iommu.c drivers/iommu/omap-iommu.c drivers/iommu/tegra-gart.c drivers/iommu/tegra-smmu.c drivers/misc/Makefile drivers/mmc/card/block.c drivers/mmc/card/queue.c drivers/mmc/core/core.c drivers/mtd/nand/fsl_ifc_nand.c drivers/net/ethernet/3com/3c501.c drivers/net/ethernet/8390/3c503.c drivers/net/ethernet/dec/ewrk3.c drivers/net/ethernet/freescale/fec.c drivers/net/ethernet/freescale/gianfar.c drivers/net/ethernet/freescale/gianfar.h drivers/net/ethernet/i825xx/3c505.c drivers/net/ethernet/i825xx/3c507.c drivers/rtc/rtc-ds3232.c drivers/s390/net/qeth_core_main.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/ccg/u_ether.c drivers/usb/gadget/fsl_udc_core.c drivers/usb/otg/fsl_otg.c drivers/vfio/vfio.c drivers/watchdog/Kconfig include/linux/iommu.h include/linux/kvm_host.h include/linux/mmc/sdhci.h include/linux/msi.h include/linux/netdev_features.h include/linux/pci.h include/linux/skbuff.h include/net/ip6_route.h include/net/sch_generic.h include/net/xfrm.h include/uapi/linux/kvm.h net/core/netpoll.c virt/kvm/irqchip.c virt/kvm/kvm_main.c
Diffstat (limited to 'arch/powerpc/platforms/cell/cbe_cpufreq.c')
-rw-r--r--arch/powerpc/platforms/cell/cbe_cpufreq.c209
1 files changed, 0 insertions, 209 deletions
diff --git a/arch/powerpc/platforms/cell/cbe_cpufreq.c b/arch/powerpc/platforms/cell/cbe_cpufreq.c
deleted file mode 100644
index d4c39e3..0000000
--- a/arch/powerpc/platforms/cell/cbe_cpufreq.c
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- * cpufreq driver for the cell processor
- *
- * (C) Copyright IBM Deutschland Entwicklung GmbH 2005-2007
- *
- * Author: Christian Krafft <krafft@de.ibm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/cpufreq.h>
-#include <linux/module.h>
-#include <linux/of_platform.h>
-
-#include <asm/machdep.h>
-#include <asm/prom.h>
-#include <asm/cell-regs.h>
-#include "cbe_cpufreq.h"
-
-static DEFINE_MUTEX(cbe_switch_mutex);
-
-
-/* the CBE supports an 8 step frequency scaling */
-static struct cpufreq_frequency_table cbe_freqs[] = {
- {1, 0},
- {2, 0},
- {3, 0},
- {4, 0},
- {5, 0},
- {6, 0},
- {8, 0},
- {10, 0},
- {0, CPUFREQ_TABLE_END},
-};
-
-/*
- * hardware specific functions
- */
-
-static int set_pmode(unsigned int cpu, unsigned int slow_mode)
-{
- int rc;
-
- if (cbe_cpufreq_has_pmi)
- rc = cbe_cpufreq_set_pmode_pmi(cpu, slow_mode);
- else
- rc = cbe_cpufreq_set_pmode(cpu, slow_mode);
-
- pr_debug("register contains slow mode %d\n", cbe_cpufreq_get_pmode(cpu));
-
- return rc;
-}
-
-/*
- * cpufreq functions
- */
-
-static int cbe_cpufreq_cpu_init(struct cpufreq_policy *policy)
-{
- const u32 *max_freqp;
- u32 max_freq;
- int i, cur_pmode;
- struct device_node *cpu;
-
- cpu = of_get_cpu_node(policy->cpu, NULL);
-
- if (!cpu)
- return -ENODEV;
-
- pr_debug("init cpufreq on CPU %d\n", policy->cpu);
-
- /*
- * Let's check we can actually get to the CELL regs
- */
- if (!cbe_get_cpu_pmd_regs(policy->cpu) ||
- !cbe_get_cpu_mic_tm_regs(policy->cpu)) {
- pr_info("invalid CBE regs pointers for cpufreq\n");
- return -EINVAL;
- }
-
- max_freqp = of_get_property(cpu, "clock-frequency", NULL);
-
- of_node_put(cpu);
-
- if (!max_freqp)
- return -EINVAL;
-
- /* we need the freq in kHz */
- max_freq = *max_freqp / 1000;
-
- pr_debug("max clock-frequency is at %u kHz\n", max_freq);
- pr_debug("initializing frequency table\n");
-
- /* initialize frequency table */
- for (i=0; cbe_freqs[i].frequency!=CPUFREQ_TABLE_END; i++) {
- cbe_freqs[i].frequency = max_freq / cbe_freqs[i].index;
- pr_debug("%d: %d\n", i, cbe_freqs[i].frequency);
- }
-
- /* if DEBUG is enabled set_pmode() measures the latency
- * of a transition */
- policy->cpuinfo.transition_latency = 25000;
-
- cur_pmode = cbe_cpufreq_get_pmode(policy->cpu);
- pr_debug("current pmode is at %d\n",cur_pmode);
-
- policy->cur = cbe_freqs[cur_pmode].frequency;
-
-#ifdef CONFIG_SMP
- cpumask_copy(policy->cpus, cpu_sibling_mask(policy->cpu));
-#endif
-
- cpufreq_frequency_table_get_attr(cbe_freqs, policy->cpu);
-
- /* this ensures that policy->cpuinfo_min
- * and policy->cpuinfo_max are set correctly */
- return cpufreq_frequency_table_cpuinfo(policy, cbe_freqs);
-}
-
-static int cbe_cpufreq_cpu_exit(struct cpufreq_policy *policy)
-{
- cpufreq_frequency_table_put_attr(policy->cpu);
- return 0;
-}
-
-static int cbe_cpufreq_verify(struct cpufreq_policy *policy)
-{
- return cpufreq_frequency_table_verify(policy, cbe_freqs);
-}
-
-static int cbe_cpufreq_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation)
-{
- int rc;
- struct cpufreq_freqs freqs;
- unsigned int cbe_pmode_new;
-
- cpufreq_frequency_table_target(policy,
- cbe_freqs,
- target_freq,
- relation,
- &cbe_pmode_new);
-
- freqs.old = policy->cur;
- freqs.new = cbe_freqs[cbe_pmode_new].frequency;
- freqs.cpu = policy->cpu;
-
- mutex_lock(&cbe_switch_mutex);
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
-
- pr_debug("setting frequency for cpu %d to %d kHz, " \
- "1/%d of max frequency\n",
- policy->cpu,
- cbe_freqs[cbe_pmode_new].frequency,
- cbe_freqs[cbe_pmode_new].index);
-
- rc = set_pmode(policy->cpu, cbe_pmode_new);
-
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- mutex_unlock(&cbe_switch_mutex);
-
- return rc;
-}
-
-static struct cpufreq_driver cbe_cpufreq_driver = {
- .verify = cbe_cpufreq_verify,
- .target = cbe_cpufreq_target,
- .init = cbe_cpufreq_cpu_init,
- .exit = cbe_cpufreq_cpu_exit,
- .name = "cbe-cpufreq",
- .owner = THIS_MODULE,
- .flags = CPUFREQ_CONST_LOOPS,
-};
-
-/*
- * module init and destoy
- */
-
-static int __init cbe_cpufreq_init(void)
-{
- if (!machine_is(cell))
- return -ENODEV;
-
- return cpufreq_register_driver(&cbe_cpufreq_driver);
-}
-
-static void __exit cbe_cpufreq_exit(void)
-{
- cpufreq_unregister_driver(&cbe_cpufreq_driver);
-}
-
-module_init(cbe_cpufreq_init);
-module_exit(cbe_cpufreq_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Christian Krafft <krafft@de.ibm.com>");