diff options
Diffstat (limited to 'target')
3 files changed, 0 insertions, 399 deletions
diff --git a/target/linux/ipq806x/patches-4.19/0045-cpufreq-Add-module-to-register-cpufreq-on-Krait-CPUs.patch b/target/linux/ipq806x/patches-4.19/0045-cpufreq-Add-module-to-register-cpufreq-on-Krait-CPUs.patch deleted file mode 100644 index 5b081feac7..0000000000 --- a/target/linux/ipq806x/patches-4.19/0045-cpufreq-Add-module-to-register-cpufreq-on-Krait-CPUs.patch +++ /dev/null @@ -1,307 +0,0 @@ -From patchwork Fri Dec 8 09:42:29 2017 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: [v4,11/12] cpufreq: Add module to register cpufreq on Krait CPUs -From: Sricharan R <sricharan@codeaurora.org> -X-Patchwork-Id: 10102075 -Message-Id: <1512726150-7204-12-git-send-email-sricharan@codeaurora.org> -To: mturquette@baylibre.com, sboyd@codeaurora.org, - devicetree@vger.kernel.org, linux-pm@vger.kernel.org, - linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, - viresh.kumar@linaro.org, linux-arm-kernel@lists.infradead.org -Cc: sricharan@codeaurora.org -Date: Fri, 8 Dec 2017 15:12:29 +0530 - -From: Stephen Boyd <sboyd@codeaurora.org> - -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 -@@ -121,6 +121,15 @@ config ARM_QCOM_CPUFREQ_KRYO - - If in doubt, say N. - -+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 -@@ -64,6 +64,7 @@ obj-$(CONFIG_MACH_MVEBU_V7) += mvebu-cp - obj-$(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_QCOM_CPUFREQ_KRYO) += qcom-cpufreq-kryo.o - obj-$(CONFIG_ARM_S3C2410_CPUFREQ) += s3c2410-cpufreq.o - obj-$(CONFIG_ARM_S3C2412_CPUFREQ) += s3c2412-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 "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"); diff --git a/target/linux/ipq806x/patches-4.19/0046-cpufreq-qcom-independent-core-clocks.patch b/target/linux/ipq806x/patches-4.19/0046-cpufreq-qcom-independent-core-clocks.patch deleted file mode 100644 index 7743dd1c4f..0000000000 --- a/target/linux/ipq806x/patches-4.19/0046-cpufreq-qcom-independent-core-clocks.patch +++ /dev/null @@ -1,66 +0,0 @@ -From patchwork Fri Dec 8 09:42:30 2017 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: [v4,12/12] cpufreq: dt: Reintroduce independent_clocks platform data -From: Sricharan R <sricharan@codeaurora.org> -X-Patchwork-Id: 10102073 -Message-Id: <1512726150-7204-13-git-send-email-sricharan@codeaurora.org> -To: mturquette@baylibre.com, sboyd@codeaurora.org, - devicetree@vger.kernel.org, linux-pm@vger.kernel.org, - linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, - viresh.kumar@linaro.org, linux-arm-kernel@lists.infradead.org -Cc: sricharan@codeaurora.org -Date: Fri, 8 Dec 2017 15:12:30 +0530 - -The Platform data was removed earlier by, -'commit eb96924acddc ("cpufreq: dt: Kill platform-data")' -since there were no users at that time. -Now this is required when the each of the cpu clocks -can be scaled independently, which is the case -for krait cores. So reintroduce it. - -Signed-off-by: Sricharan R <sricharan@codeaurora.org> ---- - drivers/cpufreq/cpufreq-dt.c | 7 ++++++- - drivers/cpufreq/cpufreq-dt.h | 6 ++++++ - 2 files changed, 12 insertions(+), 1 deletion(-) - ---- a/drivers/cpufreq/cpufreq-dt.c -+++ b/drivers/cpufreq/cpufreq-dt.c -@@ -239,7 +239,10 @@ static int cpufreq_init(struct cpufreq_p - } - - if (fallback) { -- cpumask_setall(policy->cpus); -+ struct cpufreq_dt_platform_data *pd = cpufreq_get_driver_data(); -+ -+ if (!pd || !pd->independent_clocks) -+ cpumask_setall(policy->cpus); - - /* - * OPP tables are initialized only for policy->cpu, do it for -@@ -359,6 +362,8 @@ static int dt_cpufreq_probe(struct platf - dt_cpufreq_driver.suspend = data->suspend; - } - -+ dt_cpufreq_driver.driver_data = data; -+ - ret = cpufreq_register_driver(&dt_cpufreq_driver); - if (ret) - dev_err(&pdev->dev, "failed register driver: %d\n", ret); ---- a/drivers/cpufreq/cpufreq-dt.h -+++ b/drivers/cpufreq/cpufreq-dt.h -@@ -15,6 +15,12 @@ - struct cpufreq_policy; - - struct cpufreq_dt_platform_data { -+ /* -+ * True when each CPU has its own clock to control its -+ * frequency, false when all CPUs are controlled by a single -+ * clock. -+ */ -+ bool independent_clocks; - bool have_governor_per_policy; - - int (*suspend)(struct cpufreq_policy *policy); diff --git a/target/linux/ipq806x/patches-4.19/0048-PM-OPP-HACK-Allow-to-set-regulator-without-opp_list.patch b/target/linux/ipq806x/patches-4.19/0048-PM-OPP-HACK-Allow-to-set-regulator-without-opp_list.patch deleted file mode 100644 index d415f7b744..0000000000 --- a/target/linux/ipq806x/patches-4.19/0048-PM-OPP-HACK-Allow-to-set-regulator-without-opp_list.patch +++ /dev/null @@ -1,26 +0,0 @@ -From 5c294df1715d673f94f3b0a6e1ea3a426ca35e6e Mon Sep 17 00:00:00 2001 -From: Georgi Djakov <georgi.djakov@linaro.org> -Date: Thu, 28 Apr 2016 16:20:12 +0300 -Subject: [PATCH 48/69] PM / OPP: HACK: Allow to set regulator without opp_list - -Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> ---- - drivers/base/power/opp/core.c | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - ---- a/drivers/opp/core.c -+++ b/drivers/opp/core.c -@@ -1317,11 +1317,13 @@ struct opp_table *dev_pm_opp_set_regulat - if (!opp_table) - return ERR_PTR(-ENOMEM); - -+#if 0 - /* This should be called before OPPs are initialized */ - if (WARN_ON(!list_empty(&opp_table->opp_list))) { - ret = -EBUSY; - goto err; - } -+#endif - - /* Another CPU that shares the OPP table has set the regulators ? */ - if (opp_table->regulators) |