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author | Zoltan HERPAI <wigyori@uid0.hu> | 2016-06-23 18:51:35 +0200 |
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committer | Zoltan HERPAI <wigyori@uid0.hu> | 2016-06-23 18:51:35 +0200 |
commit | 880fddf86bfb0bb2452a33da6622d9d29c71d9bd (patch) | |
tree | 2e1945fd7539b4a3c614297d5fcf45ecde4a794a /target/linux/ipq806x/patches-4.1/143-cpufreq-Add-module-to-register-cpufreq-on-Krait-CPUs.patch | |
parent | 993ba6b10921e6842d3cd09f9ef2f86cfddfc46a (diff) | |
download | master-187ad058-880fddf86bfb0bb2452a33da6622d9d29c71d9bd.tar.gz master-187ad058-880fddf86bfb0bb2452a33da6622d9d29c71d9bd.tar.bz2 master-187ad058-880fddf86bfb0bb2452a33da6622d9d29c71d9bd.zip |
ipq806x: update bomb
ipq806x: Add support for linux-4.4
ipq806x: Add Archer C2600 to image/Makefile
ipq806x/base-files: Add Archer C2600 LEDs and board
ipq806x/base-files: Add support for Archer C2600
ipq806x/base-files: extract ath10k caldata
ipq806x/dts: Add Archer C2600 DTS
ipq806x: enable PM support
ipq806x: add a default profile
ipq806x: add diag.sh script
ipq806x: qcom rpm fix support for smb208
mtd: add linksys_bootcount for ipq806x
uboot-envtools: add ipq806x support
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
Diffstat (limited to 'target/linux/ipq806x/patches-4.1/143-cpufreq-Add-module-to-register-cpufreq-on-Krait-CPUs.patch')
-rw-r--r-- | target/linux/ipq806x/patches-4.1/143-cpufreq-Add-module-to-register-cpufreq-on-Krait-CPUs.patch | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/target/linux/ipq806x/patches-4.1/143-cpufreq-Add-module-to-register-cpufreq-on-Krait-CPUs.patch b/target/linux/ipq806x/patches-4.1/143-cpufreq-Add-module-to-register-cpufreq-on-Krait-CPUs.patch deleted file mode 100644 index fd37c05425..0000000000 --- a/target/linux/ipq806x/patches-4.1/143-cpufreq-Add-module-to-register-cpufreq-on-Krait-CPUs.patch +++ /dev/null @@ -1,304 +0,0 @@ -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: [v3,12/13] cpufreq: Add module to register cpufreq on Krait CPUs -From: Stephen Boyd <sboyd@codeaurora.org> -X-Patchwork-Id: 6063191 -Message-Id: <1426920332-9340-13-git-send-email-sboyd@codeaurora.org> -To: Mike Turquette <mturquette@linaro.org>, Stephen Boyd <sboyd@codeaurora.org> -Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, - linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, - Viresh Kumar <viresh.kumar@linaro.org>, <devicetree@vger.kernel.org> -Date: Fri, 20 Mar 2015 23:45:31 -0700 - -Register a cpufreq-generic device whenever we detect that a -"qcom,krait" compatible CPU is present in DT. - -Cc: <devicetree@vger.kernel.org> -Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> - ---- -.../devicetree/bindings/arm/msm/qcom,pvs.txt | 38 ++++ - drivers/cpufreq/Kconfig.arm | 9 + - drivers/cpufreq/Makefile | 1 + - drivers/cpufreq/qcom-cpufreq.c | 204 +++++++++++++++++++++ - 4 files changed, 252 insertions(+) - create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,pvs.txt - create mode 100644 drivers/cpufreq/qcom-cpufreq.c - ---- /dev/null -+++ b/Documentation/devicetree/bindings/arm/msm/qcom,pvs.txt -@@ -0,0 +1,38 @@ -+Qualcomm Process Voltage Scaling Tables -+ -+The node name is required to be "qcom,pvs". There shall only be one -+such node present in the root of the tree. -+ -+PROPERTIES -+ -+- qcom,pvs-format-a or qcom,pvs-format-b: -+ Usage: required -+ Value type: <empty> -+ Definition: Indicates the format of qcom,speedX-pvsY-bin-vZ properties. -+ If qcom,pvs-format-a is used the table is two columns -+ (frequency and voltage in that order). If qcom,pvs-format-b is used the table is three columns (frequency, voltage, -+ and current in that order). -+ -+- qcom,speedX-pvsY-bin-vZ: -+ Usage: required -+ Value type: <prop-encoded-array> -+ Definition: The PVS table corresponding to the speed bin X, pvs bin Y, -+ and version Z. -+Example: -+ -+ qcom,pvs { -+ qcom,pvs-format-a; -+ qcom,speed0-pvs0-bin-v0 = -+ < 384000000 950000 >, -+ < 486000000 975000 >, -+ < 594000000 1000000 >, -+ < 702000000 1025000 >, -+ < 810000000 1075000 >, -+ < 918000000 1100000 >, -+ < 1026000000 1125000 >, -+ < 1134000000 1175000 >, -+ < 1242000000 1200000 >, -+ < 1350000000 1225000 >, -+ < 1458000000 1237500 >, -+ < 1512000000 1250000 >; -+ }; ---- a/drivers/cpufreq/Kconfig.arm -+++ b/drivers/cpufreq/Kconfig.arm -@@ -146,6 +146,15 @@ config ARM_OMAP2PLUS_CPUFREQ - depends on ARCH_OMAP2PLUS - default ARCH_OMAP2PLUS - -+config ARM_QCOM_CPUFREQ -+ tristate "Qualcomm based" -+ depends on ARCH_QCOM -+ select PM_OPP -+ help -+ This adds the CPUFreq driver for Qualcomm SoC based boards. -+ -+ If in doubt, say N. -+ - config ARM_S3C_CPUFREQ - bool - help ---- a/drivers/cpufreq/Makefile -+++ b/drivers/cpufreq/Makefile -@@ -66,6 +66,7 @@ obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += ki - obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o - obj-$(CONFIG_ARM_PXA2xx_CPUFREQ) += pxa2xx-cpufreq.o - obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o -+obj-$(CONFIG_ARM_QCOM_CPUFREQ) += qcom-cpufreq.o - obj-$(CONFIG_ARM_S3C24XX_CPUFREQ) += s3c24xx-cpufreq.o - obj-$(CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS) += s3c24xx-cpufreq-debugfs.o - obj-$(CONFIG_ARM_S3C2410_CPUFREQ) += s3c2410-cpufreq.o ---- /dev/null -+++ b/drivers/cpufreq/qcom-cpufreq.c -@@ -0,0 +1,204 @@ -+/* Copyright (c) 2014, 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/cpu.h> -+#include <linux/err.h> -+#include <linux/init.h> -+#include <linux/io.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/of.h> -+#include <linux/platform_device.h> -+#include <linux/pm_opp.h> -+#include <linux/slab.h> -+#include <linux/cpufreq-dt.h> -+ -+static void __init get_krait_bin_format_a(int *speed, int *pvs, int *pvs_ver) -+{ -+ void __iomem *base; -+ u32 pte_efuse; -+ -+ *speed = *pvs = *pvs_ver = 0; -+ -+ base = ioremap(0x007000c0, 4); -+ if (!base) { -+ pr_warn("Unable to read efuse data. Defaulting to 0!\n"); -+ return; -+ } -+ -+ pte_efuse = readl_relaxed(base); -+ iounmap(base); -+ -+ *speed = pte_efuse & 0xf; -+ if (*speed == 0xf) -+ *speed = (pte_efuse >> 4) & 0xf; -+ -+ if (*speed == 0xf) { -+ *speed = 0; -+ pr_warn("Speed bin: Defaulting to %d\n", *speed); -+ } else { -+ pr_info("Speed bin: %d\n", *speed); -+ } -+ -+ *pvs = (pte_efuse >> 10) & 0x7; -+ if (*pvs == 0x7) -+ *pvs = (pte_efuse >> 13) & 0x7; -+ -+ if (*pvs == 0x7) { -+ *pvs = 0; -+ pr_warn("PVS bin: Defaulting to %d\n", *pvs); -+ } else { -+ pr_info("PVS bin: %d\n", *pvs); -+ } -+} -+ -+static void __init get_krait_bin_format_b(int *speed, int *pvs, int *pvs_ver) -+{ -+ u32 pte_efuse, redundant_sel; -+ void __iomem *base; -+ -+ *speed = 0; -+ *pvs = 0; -+ *pvs_ver = 0; -+ -+ base = ioremap(0xfc4b80b0, 8); -+ if (!base) { -+ pr_warn("Unable to read efuse data. Defaulting to 0!\n"); -+ return; -+ } -+ -+ pte_efuse = readl_relaxed(base); -+ redundant_sel = (pte_efuse >> 24) & 0x7; -+ *speed = pte_efuse & 0x7; -+ /* 4 bits of PVS are in efuse register bits 31, 8-6. */ -+ *pvs = ((pte_efuse >> 28) & 0x8) | ((pte_efuse >> 6) & 0x7); -+ *pvs_ver = (pte_efuse >> 4) & 0x3; -+ -+ switch (redundant_sel) { -+ case 1: -+ *speed = (pte_efuse >> 27) & 0xf; -+ break; -+ case 2: -+ *pvs = (pte_efuse >> 27) & 0xf; -+ break; -+ } -+ -+ /* Check SPEED_BIN_BLOW_STATUS */ -+ if (pte_efuse & BIT(3)) { -+ pr_info("Speed bin: %d\n", *speed); -+ } else { -+ pr_warn("Speed bin not set. Defaulting to 0!\n"); -+ *speed = 0; -+ } -+ -+ /* Check PVS_BLOW_STATUS */ -+ pte_efuse = readl_relaxed(base + 0x4) & BIT(21); -+ if (pte_efuse) { -+ pr_info("PVS bin: %d\n", *pvs); -+ } else { -+ pr_warn("PVS bin not set. Defaulting to 0!\n"); -+ *pvs = 0; -+ } -+ -+ pr_info("PVS version: %d\n", *pvs_ver); -+ iounmap(base); -+} -+ -+static int __init qcom_cpufreq_populate_opps(void) -+{ -+ int len, rows, cols, i, k, speed, pvs, pvs_ver; -+ char table_name[] = "qcom,speedXX-pvsXX-bin-vXX"; -+ struct device_node *np; -+ struct device *dev; -+ int cpu = 0; -+ -+ np = of_find_node_by_name(NULL, "qcom,pvs"); -+ if (!np) -+ return -ENODEV; -+ -+ if (of_property_read_bool(np, "qcom,pvs-format-a")) { -+ get_krait_bin_format_a(&speed, &pvs, &pvs_ver); -+ cols = 2; -+ } else if (of_property_read_bool(np, "qcom,pvs-format-b")) { -+ get_krait_bin_format_b(&speed, &pvs, &pvs_ver); -+ cols = 3; -+ } else { -+ return -ENODEV; -+ } -+ -+ snprintf(table_name, sizeof(table_name), -+ "qcom,speed%d-pvs%d-bin-v%d", speed, pvs, pvs_ver); -+ -+ if (!of_find_property(np, table_name, &len)) -+ return -EINVAL; -+ -+ len /= sizeof(u32); -+ if (len % cols || len == 0) -+ return -EINVAL; -+ -+ rows = len / cols; -+ -+ for (i = 0, k = 0; i < rows; i++) { -+ u32 freq, volt; -+ -+ of_property_read_u32_index(np, table_name, k++, &freq); -+ of_property_read_u32_index(np, table_name, k++, &volt); -+ while (k % cols) -+ k++; /* Skip uA entries if present */ -+ for (cpu = 0; cpu < num_possible_cpus(); cpu++) { -+ dev = get_cpu_device(cpu); -+ if (!dev) -+ return -ENODEV; -+ if (dev_pm_opp_add(dev, freq, volt)) -+ pr_warn("failed to add OPP %u\n", freq); -+ } -+ } -+ -+ return 0; -+} -+ -+static int __init qcom_cpufreq_driver_init(void) -+{ -+ struct cpufreq_dt_platform_data pdata = { .independent_clocks = true }; -+ struct platform_device_info devinfo = { -+ .name = "cpufreq-dt", -+ .data = &pdata, -+ .size_data = sizeof(pdata), -+ }; -+ struct device *cpu_dev; -+ struct device_node *np; -+ int ret; -+ -+ cpu_dev = get_cpu_device(0); -+ if (!cpu_dev) -+ return -ENODEV; -+ -+ np = of_node_get(cpu_dev->of_node); -+ if (!np) -+ return -ENOENT; -+ -+ if (!of_device_is_compatible(np, "qcom,krait")) { -+ of_node_put(np); -+ return -ENODEV; -+ } -+ of_node_put(np); -+ -+ ret = qcom_cpufreq_populate_opps(); -+ if (ret) -+ return ret; -+ -+ return PTR_ERR_OR_ZERO(platform_device_register_full(&devinfo)); -+} -+module_init(qcom_cpufreq_driver_init); -+ -+MODULE_DESCRIPTION("Qualcomm CPUfreq driver"); -+MODULE_LICENSE("GPL v2"); |