diff options
Diffstat (limited to 'drivers')
62 files changed, 1089 insertions, 1624 deletions
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index 99f9a895a459..564570ea3e27 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -75,7 +75,6 @@ static const struct of_device_id ahci_of_match[] = { { .compatible = "generic-ahci", }, /* Keep the following compatibles for device tree compatibility */ { .compatible = "snps,spear-ahci", }, - { .compatible = "snps,exynos5440-ahci", }, { .compatible = "ibm,476gtr-ahci", }, { .compatible = "snps,dwc-ahci", }, { .compatible = "hisilicon,hisi-ahci", }, diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index d1c0b60e9326..1851112ccc29 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -103,6 +103,16 @@ config SIMPLE_PM_BUS Controller (BSC, sometimes called "LBSC within Bus Bridge", or "External Bus Interface") as found on several Renesas ARM SoCs. +config SUN50I_DE2_BUS + bool "Allwinner A64 DE2 Bus Driver" + default ARM64 + depends on ARCH_SUNXI + select SUNXI_SRAM + help + Say y here to enable support for Allwinner A64 DE2 bus driver. It's + mostly transparent, but a SRAM region needs to be claimed in the SRAM + controller to make the all blocks in the DE2 part accessible. + config SUNXI_RSB tristate "Allwinner sunXi Reduced Serial Bus Driver" default MACH_SUN8I || MACH_SUN9I || ARM64 diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile index b8f036cca7ff..ca300b1914ce 100644 --- a/drivers/bus/Makefile +++ b/drivers/bus/Makefile @@ -21,6 +21,7 @@ obj-$(CONFIG_OMAP_INTERCONNECT) += omap_l3_smx.o omap_l3_noc.o obj-$(CONFIG_OMAP_OCP2SCP) += omap-ocp2scp.o obj-$(CONFIG_QCOM_EBI2) += qcom-ebi2.o +obj-$(CONFIG_SUN50I_DE2_BUS) += sun50i-de2.o obj-$(CONFIG_SUNXI_RSB) += sunxi-rsb.o obj-$(CONFIG_SIMPLE_PM_BUS) += simple-pm-bus.o obj-$(CONFIG_TEGRA_ACONNECT) += tegra-aconnect.o diff --git a/drivers/bus/sun50i-de2.c b/drivers/bus/sun50i-de2.c new file mode 100644 index 000000000000..672518741f86 --- /dev/null +++ b/drivers/bus/sun50i-de2.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Allwinner A64 Display Engine 2.0 Bus Driver + * + * Copyright (C) 2018 Icenowy Zheng <icenowy@aosc.io> + */ + +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/soc/sunxi/sunxi_sram.h> + +static int sun50i_de2_bus_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + int ret; + + ret = sunxi_sram_claim(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "Error couldn't map SRAM to device\n"); + return ret; + } + + of_platform_populate(np, NULL, NULL, &pdev->dev); + + return 0; +} + +static int sun50i_de2_bus_remove(struct platform_device *pdev) +{ + sunxi_sram_release(&pdev->dev); + return 0; +} + +static const struct of_device_id sun50i_de2_bus_of_match[] = { + { .compatible = "allwinner,sun50i-a64-de2", }, + { /* sentinel */ } +}; + +static struct platform_driver sun50i_de2_bus_driver = { + .probe = sun50i_de2_bus_probe, + .remove = sun50i_de2_bus_remove, + .driver = { + .name = "sun50i-de2-bus", + .of_match_table = sun50i_de2_bus_of_match, + }, +}; + +builtin_platform_driver(sun50i_de2_bus_driver); diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 80d60f43db56..c9bac9dc4637 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -23,11 +23,14 @@ #include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/slab.h> +#include <linux/iopoll.h> #include <linux/platform_data/ti-sysc.h> #include <dt-bindings/bus/ti-sysc.h> +#define MAX_MODULE_SOFTRESET_WAIT 10000 + static const char * const reg_names[] = { "rev", "sysc", "syss", }; enum sysc_clocks { @@ -88,6 +91,11 @@ struct sysc { struct delayed_work idle_work; }; +void sysc_write(struct sysc *ddata, int offset, u32 value) +{ + writel_relaxed(value, ddata->module_va + offset); +} + static u32 sysc_read(struct sysc *ddata, int offset) { if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) { @@ -943,6 +951,36 @@ static void sysc_init_revision_quirks(struct sysc *ddata) } } +static int sysc_reset(struct sysc *ddata) +{ + int offset = ddata->offsets[SYSC_SYSCONFIG]; + int val; + + if (ddata->legacy_mode || offset < 0 || + ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) + return 0; + + /* + * Currently only support reset status in sysstatus. + * Warn and return error in all other cases + */ + if (!ddata->cfg.syss_mask) { + dev_err(ddata->dev, "No ti,syss-mask. Reset failed\n"); + return -EINVAL; + } + + val = sysc_read(ddata, offset); + val |= (0x1 << ddata->cap->regbits->srst_shift); + sysc_write(ddata, offset, val); + + /* Poll on reset status */ + offset = ddata->offsets[SYSC_SYSSTATUS]; + + return readl_poll_timeout(ddata->module_va + offset, val, + (val & ddata->cfg.syss_mask) == 0x0, + 100, MAX_MODULE_SOFTRESET_WAIT); +} + /* At this point the module is configured enough to read the revision */ static int sysc_init_module(struct sysc *ddata) { @@ -960,6 +998,14 @@ static int sysc_init_module(struct sysc *ddata) return 0; } + error = sysc_reset(ddata); + if (error) { + dev_err(ddata->dev, "Reset failed with %d\n", error); + pm_runtime_put_sync(ddata->dev); + + return error; + } + ddata->revision = sysc_read_revision(ddata); pm_runtime_put_sync(ddata->dev); @@ -1552,6 +1598,23 @@ static const struct sysc_capabilities sysc_omap4_usb_host_fs = { .regbits = &sysc_regbits_omap4_usb_host_fs, }; +static const struct sysc_regbits sysc_regbits_dra7_mcan = { + .dmadisable_shift = -ENODEV, + .midle_shift = -ENODEV, + .sidle_shift = -ENODEV, + .clkact_shift = -ENODEV, + .enwkup_shift = 4, + .srst_shift = 0, + .emufree_shift = -ENODEV, + .autoidle_shift = -ENODEV, +}; + +static const struct sysc_capabilities sysc_dra7_mcan = { + .type = TI_SYSC_DRA7_MCAN, + .sysc_mask = SYSC_DRA7_MCAN_ENAWAKEUP | SYSC_OMAP4_SOFTRESET, + .regbits = &sysc_regbits_dra7_mcan, +}; + static int sysc_init_pdata(struct sysc *ddata) { struct ti_sysc_platform_data *pdata = dev_get_platdata(ddata->dev); @@ -1743,6 +1806,7 @@ static const struct of_device_id sysc_match[] = { { .compatible = "ti,sysc-mcasp", .data = &sysc_omap4_mcasp, }, { .compatible = "ti,sysc-usb-host-fs", .data = &sysc_omap4_usb_host_fs, }, + { .compatible = "ti,sysc-dra7-mcan", .data = &sysc_dra7_mcan, }, { }, }; MODULE_DEVICE_TABLE(of, sysc_match); diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index 513826393158..1a4e6b787978 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -14,7 +14,6 @@ obj-$(CONFIG_SOC_EXYNOS5410) += clk-exynos5410.o obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5-subcmu.o obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos5433.o -obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o obj-$(CONFIG_EXYNOS_AUDSS_CLK_CON) += clk-exynos-audss.o obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-clkout.o obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos7.o diff --git a/drivers/clk/samsung/clk-exynos5440.c b/drivers/clk/samsung/clk-exynos5440.c deleted file mode 100644 index b08bd54c5e76..000000000000 --- a/drivers/clk/samsung/clk-exynos5440.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (c) 2013 Samsung Electronics Co., Ltd. - * Author: Thomas Abraham <thomas.ab@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Common Clock Framework support for Exynos5440 SoC. -*/ - -#include <dt-bindings/clock/exynos5440.h> -#include <linux/clk-provider.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/notifier.h> -#include <linux/reboot.h> - -#include "clk.h" -#include "clk-pll.h" - -#define CLKEN_OV_VAL 0xf8 -#define CPU_CLK_STATUS 0xfc -#define MISC_DOUT1 0x558 - -static void __iomem *reg_base; - -/* parent clock name list */ -PNAME(mout_armclk_p) = { "cplla", "cpllb" }; -PNAME(mout_spi_p) = { "div125", "div200" }; - -/* fixed rate clocks generated outside the soc */ -static struct samsung_fixed_rate_clock exynos5440_fixed_rate_ext_clks[] __initdata = { - FRATE(0, "xtal", NULL, 0, 0), -}; - -/* fixed rate clocks */ -static const struct samsung_fixed_rate_clock exynos5440_fixed_rate_clks[] __initconst = { - FRATE(0, "ppll", NULL, 0, 1000000000), - FRATE(0, "usb_phy0", NULL, 0, 60000000), - FRATE(0, "usb_phy1", NULL, 0, 60000000), - FRATE(0, "usb_ohci12", NULL, 0, 12000000), - FRATE(0, "usb_ohci48", NULL, 0, 48000000), -}; - -/* fixed factor clocks */ -static const struct samsung_fixed_factor_clock exynos5440_fixed_factor_clks[] __initconst = { - FFACTOR(0, "div250", "ppll", 1, 4, 0), - FFACTOR(0, "div200", "ppll", 1, 5, 0), - FFACTOR(0, "div125", "div250", 1, 2, 0), -}; - -/* mux clocks */ -static const struct samsung_mux_clock exynos5440_mux_clks[] __initconst = { - MUX(0, "mout_spi", mout_spi_p, MISC_DOUT1, 5, 1), - MUX(CLK_ARM_CLK, "arm_clk", mout_armclk_p, CPU_CLK_STATUS, 0, 1), -}; - -/* divider clocks */ -static const struct samsung_div_clock exynos5440_div_clks[] __initconst = { - DIV(CLK_SPI_BAUD, "div_spi", "mout_spi", MISC_DOUT1, 3, 2), -}; - -/* gate clocks */ -static const struct samsung_gate_clock exynos5440_gate_clks[] __initconst = { - GATE(CLK_PB0_250, "pb0_250", "div250", CLKEN_OV_VAL, 3, 0, 0), - GATE(CLK_PR0_250, "pr0_250", "div250", CLKEN_OV_VAL, 4, 0, 0), - GATE(CLK_PR1_250, "pr1_250", "div250", CLKEN_OV_VAL, 5, 0, 0), - GATE(CLK_B_250, "b_250", "div250", CLKEN_OV_VAL, 9, 0, 0), - GATE(CLK_B_125, "b_125", "div125", CLKEN_OV_VAL, 10, 0, 0), - GATE(CLK_B_200, "b_200", "div200", CLKEN_OV_VAL, 11, 0, 0), - GATE(CLK_SATA, "sata", "div200", CLKEN_OV_VAL, 12, 0, 0), - GATE(CLK_USB, "usb", "div200", CLKEN_OV_VAL, 13, 0, 0), - GATE(CLK_GMAC0, "gmac0", "div200", CLKEN_OV_VAL, 14, 0, 0), - GATE(CLK_CS250, "cs250", "div250", CLKEN_OV_VAL, 19, 0, 0), - GATE(CLK_PB0_250_O, "pb0_250_o", "pb0_250", CLKEN_OV_VAL, 3, 0, 0), - GATE(CLK_PR0_250_O, "pr0_250_o", "pr0_250", CLKEN_OV_VAL, 4, 0, 0), - GATE(CLK_PR1_250_O, "pr1_250_o", "pr1_250", CLKEN_OV_VAL, 5, 0, 0), - GATE(CLK_B_250_O, "b_250_o", "b_250", CLKEN_OV_VAL, 9, 0, 0), - GATE(CLK_B_125_O, "b_125_o", "b_125", CLKEN_OV_VAL, 10, 0, 0), - GATE(CLK_B_200_O, "b_200_o", "b_200", CLKEN_OV_VAL, 11, 0, 0), - GATE(CLK_SATA_O, "sata_o", "sata", CLKEN_OV_VAL, 12, 0, 0), - GATE(CLK_USB_O, "usb_o", "usb", CLKEN_OV_VAL, 13, 0, 0), - GATE(CLK_GMAC0_O, "gmac0_o", "gmac", CLKEN_OV_VAL, 14, 0, 0), - GATE(CLK_CS250_O, "cs250_o", "cs250", CLKEN_OV_VAL, 19, 0, 0), -}; - -static const struct of_device_id ext_clk_match[] __initconst = { - { .compatible = "samsung,clock-xtal", .data = (void *)0, }, - {}, -}; - -static int exynos5440_clk_restart_notify(struct notifier_block *this, - unsigned long code, void *unused) -{ - u32 val, status; - - status = readl_relaxed(reg_base + 0xbc); - val = readl_relaxed(reg_base + 0xcc); - val = (val & 0xffff0000) | (status & 0xffff); - writel_relaxed(val, reg_base + 0xcc); - - return NOTIFY_DONE; -} - -/* - * Exynos5440 Clock restart notifier, handles restart functionality - */ -static struct notifier_block exynos5440_clk_restart_handler = { - .notifier_call = exynos5440_clk_restart_notify, - .priority = 128, -}; - -static const struct samsung_pll_clock exynos5440_plls[] __initconst = { - PLL(pll_2550x, CLK_CPLLA, "cplla", "xtal", 0, 0x4c, NULL), - PLL(pll_2550x, CLK_CPLLB, "cpllb", "xtal", 0, 0x50, NULL), -}; - -/* - * Clock aliases for legacy clkdev look-up. - */ -static const struct samsung_clock_alias exynos5440_aliases[] __initconst = { - ALIAS(CLK_ARM_CLK, NULL, "armclk"), -}; - -/* register exynos5440 clocks */ -static void __init exynos5440_clk_init(struct device_node *np) -{ - struct samsung_clk_provider *ctx; - - reg_base = of_iomap(np, 0); - if (!reg_base) { - pr_err("%s: failed to map clock controller registers," - " aborting clock initialization\n", __func__); - return; - } - - ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS); - - samsung_clk_of_register_fixed_ext(ctx, exynos5440_fixed_rate_ext_clks, - ARRAY_SIZE(exynos5440_fixed_rate_ext_clks), ext_clk_match); - - samsung_clk_register_pll(ctx, exynos5440_plls, - ARRAY_SIZE(exynos5440_plls), ctx->reg_base); - - samsung_clk_register_fixed_rate(ctx, exynos5440_fixed_rate_clks, - ARRAY_SIZE(exynos5440_fixed_rate_clks)); - samsung_clk_register_fixed_factor(ctx, exynos5440_fixed_factor_clks, - ARRAY_SIZE(exynos5440_fixed_factor_clks)); - samsung_clk_register_mux(ctx, exynos5440_mux_clks, - ARRAY_SIZE(exynos5440_mux_clks)); - samsung_clk_register_div(ctx, exynos5440_div_clks, - ARRAY_SIZE(exynos5440_div_clks)); - samsung_clk_register_gate(ctx, exynos5440_gate_clks, - ARRAY_SIZE(exynos5440_gate_clks)); - samsung_clk_register_alias(ctx, exynos5440_aliases, - ARRAY_SIZE(exynos5440_aliases)); - - samsung_clk_of_add_provider(np, ctx); - - if (register_restart_handler(&exynos5440_clk_restart_handler)) - pr_warn("exynos5440 clock can't register restart handler\n"); - - pr_info("Exynos5440: arm_clk = %ldHz\n", _get_rate("arm_clk")); - pr_info("exynos5440 clock initialization complete\n"); -} -CLK_OF_DECLARE(exynos5440_clk, "samsung,exynos5440-clock", exynos5440_clk_init); diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index fb249a1637a5..71a122b2dc67 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -708,6 +708,7 @@ static const struct omap_clkctrl_reg_data dra7_wkupaon_clkctrl_regs[] __initcons { DRA7_COUNTER_32K_CLKCTRL, NULL, 0, "wkupaon_iclk_mux" }, { DRA7_UART10_CLKCTRL, dra7_uart10_bit_data, CLKF_SW_SUP, "wkupaon_cm:clk:0060:24" }, { DRA7_DCAN1_CLKCTRL, dra7_dcan1_bit_data, CLKF_SW_SUP, "wkupaon_cm:clk:0068:24" }, + { DRA7_ADC_CLKCTRL, NULL, CLKF_SW_SUP, "mcan_clk"}, { 0 }, }; diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 52f5f1a2040c..0cd8eb76ad59 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -71,20 +71,6 @@ config ARM_BRCMSTB_AVS_CPUFREQ Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS. -config ARM_EXYNOS5440_CPUFREQ - tristate "SAMSUNG EXYNOS5440" - depends on SOC_EXYNOS5440 - depends on HAVE_CLK && OF - select PM_OPP - default y - help - This adds the CPUFreq driver for Samsung EXYNOS5440 - SoC. The nature of exynos5440 clock controller is - different than previous exynos controllers so not using - the common exynos framework. - - If in doubt, say N. - config ARM_HIGHBANK_CPUFREQ tristate "Calxeda Highbank-based" depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index fb4a2ecac43b..c1ffeabe4ecf 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -56,7 +56,6 @@ obj-$(CONFIG_ARM_ARMADA_37XX_CPUFREQ) += armada-37xx-cpufreq.o obj-$(CONFIG_ARM_BRCMSTB_AVS_CPUFREQ) += brcmstb-avs-cpufreq.o obj-$(CONFIG_ACPI_CPPC_CPUFREQ) += cppc_cpufreq.o obj-$(CONFIG_ARCH_DAVINCI) += davinci-cpufreq.o -obj-$(CONFIG_ARM_EXYNOS5440_CPUFREQ) += exynos5440-cpufreq.o obj-$(CONFIG_ARM_HIGHBANK_CPUFREQ) += highbank-cpufreq.o obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += kirkwood-cpufreq.o diff --git a/drivers/cpufreq/exynos5440-cpufreq.c b/drivers/cpufreq/exynos5440-cpufreq.c deleted file mode 100644 index 932caa386ece..000000000000 --- a/drivers/cpufreq/exynos5440-cpufreq.c +++ /dev/null @@ -1,452 +0,0 @@ -/* - * Copyright (c) 2013 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Amit Daniel Kachhap <amit.daniel@samsung.com> - * - * EXYNOS5440 - CPU frequency scaling support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/clk.h> -#include <linux/cpu.h> -#include <linux/cpufreq.h> -#include <linux/err.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/module.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/pm_opp.h> -#include <linux/platform_device.h> -#include <linux/slab.h> - -/* Register definitions */ -#define XMU_DVFS_CTRL 0x0060 -#define XMU_PMU_P0_7 0x0064 -#define XMU_C0_3_PSTATE 0x0090 -#define XMU_P_LIMIT 0x00a0 -#define XMU_P_STATUS 0x00a4 -#define XMU_PMUEVTEN 0x00d0 -#define XMU_PMUIRQEN 0x00d4 -#define XMU_PMUIRQ 0x00d8 - -/* PMU mask and shift definations */ -#define P_VALUE_MASK 0x7 - -#define XMU_DVFS_CTRL_EN_SHIFT 0 - -#define P0_7_CPUCLKDEV_SHIFT 21 -#define P0_7_CPUCLKDEV_MASK 0x7 -#define P0_7_ATBCLKDEV_SHIFT 18 -#define P0_7_ATBCLKDEV_MASK 0x7 -#define P0_7_CSCLKDEV_SHIFT 15 -#define P0_7_CSCLKDEV_MASK 0x7 -#define P0_7_CPUEMA_SHIFT 28 -#define P0_7_CPUEMA_MASK 0xf -#define P0_7_L2EMA_SHIFT 24 -#define P0_7_L2EMA_MASK 0xf -#define P0_7_VDD_SHIFT 8 -#define P0_7_VDD_MASK 0x7f -#define P0_7_FREQ_SHIFT 0 -#define P0_7_FREQ_MASK 0xff - -#define C0_3_PSTATE_VALID_SHIFT 8 -#define C0_3_PSTATE_CURR_SHIFT 4 -#define C0_3_PSTATE_NEW_SHIFT 0 - -#define PSTATE_CHANGED_EVTEN_SHIFT 0 - -#define PSTATE_CHANGED_IRQEN_SHIFT 0 - -#define PSTATE_CHANGED_SHIFT 0 - -/* some constant values for clock divider calculation */ -#define CPU_DIV_FREQ_MAX 500 -#define CPU_DBG_FREQ_MAX 375 -#define CPU_ATB_FREQ_MAX 500 - -#define PMIC_LOW_VOLT 0x30 -#define PMIC_HIGH_VOLT 0x28 - -#define CPUEMA_HIGH 0x2 -#define CPUEMA_MID 0x4 -#define CPUEMA_LOW 0x7 - -#define L2EMA_HIGH 0x1 -#define L2EMA_MID 0x3 -#define L2EMA_LOW 0x4 - -#define DIV_TAB_MAX 2 -/* frequency unit is 20MHZ */ -#define FREQ_UNIT 20 -#define MAX_VOLTAGE 1550000 /* In microvolt */ -#define VOLTAGE_STEP 12500 /* In microvolt */ - -#define CPUFREQ_NAME "exynos5440_dvfs" -#define DEF_TRANS_LATENCY 100000 - -enum cpufreq_level_index { - L0, L1, L2, L3, L4, - L5, L6, L7, L8, L9, -}; -#define CPUFREQ_LEVEL_END (L7 + 1) - -struct exynos_dvfs_data { - void __iomem *base; - struct resource *mem; - int irq; - struct clk *cpu_clk; - unsigned int latency; - struct cpufreq_frequency_table *freq_table; - unsigned int freq_count; - struct device *dev; - bool dvfs_enabled; - struct work_struct irq_work; -}; - -static struct exynos_dvfs_data *dvfs_info; -static DEFINE_MUTEX(cpufreq_lock); -static struct cpufreq_freqs freqs; - -static int init_div_table(void) -{ - struct cpufreq_frequency_table *pos, *freq_tbl = dvfs_info->freq_table; - unsigned int tmp, clk_div, ema_div, freq, volt_id, idx; - struct dev_pm_opp *opp; - - cpufreq_for_each_entry_idx(pos, freq_tbl, idx) { - opp = dev_pm_opp_find_freq_exact(dvfs_info->dev, - pos->frequency * 1000, true); - if (IS_ERR(opp)) { - dev_err(dvfs_info->dev, - "failed to find valid OPP for %u KHZ\n", - pos->frequency); - return PTR_ERR(opp); - } - - freq = pos->frequency / 1000; /* In MHZ */ - clk_div = ((freq / CPU_DIV_FREQ_MAX) & P0_7_CPUCLKDEV_MASK) - << P0_7_CPUCLKDEV_SHIFT; - clk_div |= ((freq / CPU_ATB_FREQ_MAX) & P0_7_ATBCLKDEV_MASK) - << P0_7_ATBCLKDEV_SHIFT; - clk_div |= ((freq / CPU_DBG_FREQ_MAX) & P0_7_CSCLKDEV_MASK) - << P0_7_CSCLKDEV_SHIFT; - - /* Calculate EMA */ - volt_id = dev_pm_opp_get_voltage(opp); - - volt_id = (MAX_VOLTAGE - volt_id) / VOLTAGE_STEP; - if (volt_id < PMIC_HIGH_VOLT) { - ema_div = (CPUEMA_HIGH << P0_7_CPUEMA_SHIFT) | - (L2EMA_HIGH << P0_7_L2EMA_SHIFT); - } else if (volt_id > PMIC_LOW_VOLT) { - ema_div = (CPUEMA_LOW << P0_7_CPUEMA_SHIFT) | - (L2EMA_LOW << P0_7_L2EMA_SHIFT); - } else { - ema_div = (CPUEMA_MID << P0_7_CPUEMA_SHIFT) | - (L2EMA_MID << P0_7_L2EMA_SHIFT); - } - - tmp = (clk_div | ema_div | (volt_id << P0_7_VDD_SHIFT) - | ((freq / FREQ_UNIT) << P0_7_FREQ_SHIFT)); - - __raw_writel(tmp, dvfs_info->base + XMU_PMU_P0_7 + 4 * idx); - dev_pm_opp_put(opp); - } - - return 0; -} - -static void exynos_enable_dvfs(unsigned int cur_frequency) -{ - unsigned int tmp, cpu; - struct cpufreq_frequency_table *freq_table = dvfs_info->freq_table; - struct cpufreq_frequency_table *pos; - /* Disable DVFS */ - __raw_writel(0, dvfs_info->base + XMU_DVFS_CTRL); - - /* Enable PSTATE Change Event */ - tmp = __raw_readl(dvfs_info->base + XMU_PMUEVTEN); - tmp |= (1 << PSTATE_CHANGED_EVTEN_SHIFT); - __raw_writel(tmp, dvfs_info->base + XMU_PMUEVTEN); - - /* Enable PSTATE Change IRQ */ - tmp = __raw_readl(dvfs_info->base + XMU_PMUIRQEN); - tmp |= (1 << PSTATE_CHANGED_IRQEN_SHIFT); - __raw_writel(tmp, dvfs_info->base + XMU_PMUIRQEN); - - /* Set initial performance index */ - cpufreq_for_each_entry(pos, freq_table) - if (pos->frequency == cur_frequency) - break; - - if (pos->frequency == CPUFREQ_TABLE_END) { - dev_crit(dvfs_info->dev, "Boot up frequency not supported\n"); - /* Assign the highest frequency */ - pos = freq_table; - cur_frequency = pos->frequency; - } - - dev_info(dvfs_info->dev, "Setting dvfs initial frequency = %uKHZ", - cur_frequency); - - for (cpu = 0; cpu < CONFIG_NR_CPUS; cpu++) { - tmp = __raw_readl(dvfs_info->base + XMU_C0_3_PSTATE + cpu * 4); - tmp &= ~(P_VALUE_MASK << C0_3_PSTATE_NEW_SHIFT); - tmp |= ((pos - freq_table) << C0_3_PSTATE_NEW_SHIFT); - __raw_writel(tmp, dvfs_info->base + XMU_C0_3_PSTATE + cpu * 4); - } - - /* Enable DVFS */ - __raw_writel(1 << XMU_DVFS_CTRL_EN_SHIFT, - dvfs_info->base + XMU_DVFS_CTRL); -} - -static int exynos_target(struct cpufreq_policy *policy, unsigned int index) -{ - unsigned int tmp; - int i; - struct cpufreq_frequency_table *freq_table = dvfs_info->freq_table; - - mutex_lock(&cpufreq_lock); - - freqs.old = policy->cur; - freqs.new = freq_table[index].frequency; - - cpufreq_freq_transition_begin(policy, &freqs); - - /* Set the target frequency in all C0_3_PSTATE register */ - for_each_cpu(i, policy->cpus) { - tmp = __raw_readl(dvfs_info->base + XMU_C0_3_PSTATE + i * 4); - tmp &= ~(P_VALUE_MASK << C0_3_PSTATE_NEW_SHIFT); - tmp |= (index << C0_3_PSTATE_NEW_SHIFT); - - __raw_writel(tmp, dvfs_info->base + XMU_C0_3_PSTATE + i * 4); - } - mutex_unlock(&cpufreq_lock); - return 0; -} - -static void exynos_cpufreq_work(struct work_struct *work) -{ - unsigned int cur_pstate, index; - struct cpufreq_policy *policy = cpufreq_cpu_get(0); /* boot CPU */ - struct cpufreq_frequency_table *freq_table = dvfs_info->freq_table; - - /* Ensure we can access cpufreq structures */ - if (unlikely(dvfs_info->dvfs_enabled == false)) - goto skip_work; - - mutex_lock(&cpufreq_lock); - freqs.old = policy->cur; - - cur_pstate = __raw_readl(dvfs_info->base + XMU_P_STATUS); - if (cur_pstate >> C0_3_PSTATE_VALID_SHIFT & 0x1) - index = (cur_pstate >> C0_3_PSTATE_CURR_SHIFT) & P_VALUE_MASK; - else - index = (cur_pstate >> C0_3_PSTATE_NEW_SHIFT) & P_VALUE_MASK; - - if (likely(index < dvfs_info->freq_count)) { - freqs.new = freq_table[index].frequency; - } else { - dev_crit(dvfs_info->dev, "New frequency out of range\n"); - freqs.new = freqs.old; - } - cpufreq_freq_transition_end(policy, &freqs, 0); - - cpufreq_cpu_put(policy); - mutex_unlock(&cpufreq_lock); -skip_work: - enable_irq(dvfs_info->irq); -} - -static irqreturn_t exynos_cpufreq_irq(int irq, void *id) -{ - unsigned int tmp; - - tmp = __raw_readl(dvfs_info->base + XMU_PMUIRQ); - if (tmp >> PSTATE_CHANGED_SHIFT & 0x1) { - __raw_writel(tmp, dvfs_info->base + XMU_PMUIRQ); - disable_irq_nosync(irq); - schedule_work(&dvfs_info->irq_work); - } - return IRQ_HANDLED; -} - -static void exynos_sort_descend_freq_table(void) -{ - struct cpufreq_frequency_table *freq_tbl = dvfs_info->freq_table; - int i = 0, index; - unsigned int tmp_freq; - /* - * Exynos5440 clock controller state logic expects the cpufreq table to - * be in descending order. But the OPP library constructs the table in - * ascending order. So to make the table descending we just need to - * swap the i element with the N - i element. - */ - for (i = 0; i < dvfs_info->freq_count / 2; i++) { - index = dvfs_info->freq_count - i - 1; - tmp_freq = freq_tbl[i].frequency; - freq_tbl[i].frequency = freq_tbl[index].frequency; - freq_tbl[index].frequency = tmp_freq; - } -} - -static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy) -{ - policy->clk = dvfs_info->cpu_clk; - return cpufreq_generic_init(policy, dvfs_info->freq_table, - dvfs_info->latency); -} - -static struct cpufreq_driver exynos_driver = { - .flags = CPUFREQ_STICKY | CPUFREQ_ASYNC_NOTIFICATION | - CPUFREQ_NEED_INITIAL_FREQ_CHECK, - .verify = cpufreq_generic_frequency_table_verify, - .target_index = exynos_target, - .get = cpufreq_generic_get, - .init = exynos_cpufreq_cpu_init, - .name = CPUFREQ_NAME, - .attr = cpufreq_generic_attr, -}; - -static const struct of_device_id exynos_cpufreq_match[] = { - { - .compatible = "samsung,exynos5440-cpufreq", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, exynos_cpufreq_match); - -static int exynos_cpufreq_probe(struct platform_device *pdev) -{ - int ret = -EINVAL; - struct device_node *np; - struct resource res; - unsigned int cur_frequency; - - np = pdev->dev.of_node; - if (!np) - return -ENODEV; - - dvfs_info = devm_kzalloc(&pdev->dev, sizeof(*dvfs_info), GFP_KERNEL); - if (!dvfs_info) { - ret = -ENOMEM; - goto err_put_node; - } - - dvfs_info->dev = &pdev->dev; - - ret = of_address_to_resource(np, 0, &res); - if (ret) - goto err_put_node; - - dvfs_info->base = devm_ioremap_resource(dvfs_info->dev, &res); - if (IS_ERR(dvfs_info->base)) { - ret = PTR_ERR(dvfs_info->base); - goto err_put_node; - } - - dvfs_info->irq = irq_of_parse_and_map(np, 0); - if (!dvfs_info->irq) { - dev_err(dvfs_info->dev, "No cpufreq irq found\n"); - ret = -ENODEV; - goto err_put_node; - } - - ret = dev_pm_opp_of_add_table(dvfs_info->dev); - if (ret) { - dev_err(dvfs_info->dev, "failed to init OPP table: %d\n", ret); - goto err_put_node; - } - - ret = dev_pm_opp_init_cpufreq_table(dvfs_info->dev, - &dvfs_info->freq_table); - if (ret) { - dev_err(dvfs_info->dev, - "failed to init cpufreq table: %d\n", ret); - goto err_free_opp; - } - dvfs_info->freq_count = dev_pm_opp_get_opp_count(dvfs_info->dev); - exynos_sort_descend_freq_table(); - - if (of_property_read_u32(np, "clock-latency", &dvfs_info->latency)) - dvfs_info->latency = DEF_TRANS_LATENCY; - - dvfs_info->cpu_clk = devm_clk_get(dvfs_info->dev, "armclk"); - if (IS_ERR(dvfs_info->cpu_clk)) { - dev_err(dvfs_info->dev, "Failed to get cpu clock\n"); - ret = PTR_ERR(dvfs_info->cpu_clk); - goto err_free_table; - } - - cur_frequency = clk_get_rate(dvfs_info->cpu_clk); - if (!cur_frequency) { - dev_err(dvfs_info->dev, "Failed to get clock rate\n"); - ret = -EINVAL; - goto err_free_table; - } - cur_frequency /= 1000; - - INIT_WORK(&dvfs_info->irq_work, exynos_cpufreq_work); - ret = devm_request_irq(dvfs_info->dev, dvfs_info->irq, - exynos_cpufreq_irq, IRQF_TRIGGER_NONE, - CPUFREQ_NAME, dvfs_info); - if (ret) { - dev_err(dvfs_info->dev, "Failed to register IRQ\n"); - goto err_free_table; - } - - ret = init_div_table(); - if (ret) { - dev_err(dvfs_info->dev, "Failed to initialise div table\n"); - goto err_free_table; - } - - exynos_enable_dvfs(cur_frequency); - ret = cpufreq_register_driver(&exynos_driver); - if (ret) { - dev_err(dvfs_info->dev, - "%s: failed to register cpufreq driver\n", __func__); - goto err_free_table; - } - - of_node_put(np); - dvfs_info->dvfs_enabled = true; - return 0; - -err_free_table: - dev_pm_opp_free_cpufreq_table(dvfs_info->dev, &dvfs_info->freq_table); -err_free_opp: - dev_pm_opp_of_remove_table(dvfs_info->dev); -err_put_node: - of_node_put(np); - dev_err(&pdev->dev, "%s: failed initialization\n", __func__); - return ret; -} - -static int exynos_cpufreq_remove(struct platform_device *pdev) -{ - cpufreq_unregister_driver(&exynos_driver); - dev_pm_opp_free_cpufreq_table(dvfs_info->dev, &dvfs_info->freq_table); - dev_pm_opp_of_remove_table(dvfs_info->dev); - return 0; -} - -static struct platform_driver exynos_cpufreq_platdrv = { - .driver = { - .name = "exynos5440-cpufreq", - .of_match_table = exynos_cpufreq_match, - }, - .probe = exynos_cpufreq_probe, - .remove = exynos_cpufreq_remove, -}; -module_platform_driver(exynos_cpufreq_platdrv); - -MODULE_AUTHOR("Amit Daniel Kachhap <amit.daniel@samsung.com>"); -MODULE_DESCRIPTION("Exynos5440 cpufreq driver"); -MODULE_LICENSE("GPL"); diff --git a/drivers/crypto/caam/sg_sw_qm2.h b/drivers/crypto/caam/sg_sw_qm2.h index 31b440757146..b5b4c12179df 100644 --- a/drivers/crypto/caam/sg_sw_qm2.h +++ b/drivers/crypto/caam/sg_sw_qm2.h @@ -35,7 +35,7 @@ #ifndef _SG_SW_QM2_H_ #define _SG_SW_QM2_H_ -#include "../../../drivers/staging/fsl-mc/include/dpaa2-fd.h" +#include <soc/fsl/dpaa2-fd.h> static inline void dma_to_qm_sg_one(struct dpaa2_sg_entry *qm_sg_ptr, dma_addr_t dma, u32 len, u16 offset) diff --git a/drivers/crypto/caam/sg_sw_sec4.h b/drivers/crypto/caam/sg_sw_sec4.h index e586ffab8358..dbfa9fce33e0 100644 --- a/drivers/crypto/caam/sg_sw_sec4.h +++ b/drivers/crypto/caam/sg_sw_sec4.h @@ -12,7 +12,7 @@ #include "ctrl.h" #include "regs.h" #include "sg_sw_qm2.h" -#include "../../../drivers/staging/fsl-mc/include/dpaa2-fd.h" +#include <soc/fsl/dpaa2-fd.h> struct sec4_sg_entry { u64 ptr; diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 2a219b1261b1..721e6c57beae 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -363,8 +363,6 @@ static int scmi_dvfs_device_opps_add(const struct scmi_handle *handle, return domain; dom = pi->dom_info + domain; - if (!dom) - return -EIO; for (opp = dom->opp, idx = 0; idx < dom->opp_count; idx++, opp++) { freq = opp->perf * dom->mult_factor; @@ -394,9 +392,6 @@ static int scmi_dvfs_transition_latency_get(const struct scmi_handle *handle, return domain; dom = pi->dom_info + domain; - if (!dom) - return -EIO; - /* uS to nS */ return dom->opp[dom->opp_count - 1].trans_latency_us * 1000; } diff --git a/drivers/firmware/psci_checker.c b/drivers/firmware/psci_checker.c index bb1c068bff19..346943657962 100644 --- a/drivers/firmware/psci_checker.c +++ b/drivers/firmware/psci_checker.c @@ -77,28 +77,6 @@ static int psci_ops_check(void) return 0; } -static int find_cpu_groups(const struct cpumask *cpus, - const struct cpumask **cpu_groups) -{ - unsigned int nb = 0; - cpumask_var_t tmp; - - if (!alloc_cpumask_var(&tmp, GFP_KERNEL)) - return -ENOMEM; - cpumask_copy(tmp, cpus); - - while (!cpumask_empty(tmp)) { - const struct cpumask *cpu_group = - topology_core_cpumask(cpumask_any(tmp)); - - cpu_groups[nb++] = cpu_group; - cpumask_andnot(tmp, tmp, cpu_group); - } - - free_cpumask_var(tmp); - return nb; -} - /* * offlined_cpus is a temporary array but passing it as an argument avoids * multiple allocations. @@ -166,29 +144,66 @@ static unsigned int down_and_up_cpus(const struct cpumask *cpus, return err; } +static void free_cpu_groups(int num, cpumask_var_t **pcpu_groups) +{ + int i; + cpumask_var_t *cpu_groups = *pcpu_groups; + + for (i = 0; i < num; ++i) + free_cpumask_var(cpu_groups[i]); + kfree(cpu_groups); +} + +static int alloc_init_cpu_groups(cpumask_var_t **pcpu_groups) +{ + int num_groups = 0; + cpumask_var_t tmp, *cpu_groups; + + if (!alloc_cpumask_var(&tmp, GFP_KERNEL)) + return -ENOMEM; + + cpu_groups = kcalloc(nb_available_cpus, sizeof(cpu_groups), + GFP_KERNEL); + if (!cpu_groups) + return -ENOMEM; + + cpumask_copy(tmp, cpu_online_mask); + + while (!cpumask_empty(tmp)) { + const struct cpumask *cpu_group = + topology_core_cpumask(cpumask_any(tmp)); + + if (!alloc_cpumask_var(&cpu_groups[num_groups], GFP_KERNEL)) { + free_cpu_groups(num_groups, &cpu_groups); + return -ENOMEM; + } + cpumask_copy(cpu_groups[num_groups++], cpu_group); + cpumask_andnot(tmp, tmp, cpu_group); + } + + free_cpumask_var(tmp); + *pcpu_groups = cpu_groups; + + return num_groups; +} + static int hotplug_tests(void) { - int err; - cpumask_var_t offlined_cpus; - int i, nb_cpu_group; - const struct cpumask **cpu_groups; + int i, nb_cpu_group, err = -ENOMEM; + cpumask_var_t offlined_cpus, *cpu_groups; char *page_buf; - err = -ENOMEM; if (!alloc_cpumask_var(&offlined_cpus, GFP_KERNEL)) return err; - /* We may have up to nb_available_cpus cpu_groups. */ - cpu_groups = kmalloc_array(nb_available_cpus, sizeof(*cpu_groups), - GFP_KERNEL); - if (!cpu_groups) + + nb_cpu_group = alloc_init_cpu_groups(&cpu_groups); + if (nb_cpu_group < 0) goto out_free_cpus; page_buf = (char *)__get_free_page(GFP_KERNEL); if (!page_buf) goto out_free_cpu_groups; err = 0; - nb_cpu_group = find_cpu_groups(cpu_online_mask, cpu_groups); - /* * Of course the last CPU cannot be powered down and cpu_down() should * refuse doing that. @@ -212,7 +227,7 @@ static int hotplug_tests(void) free_page((unsigned long)page_buf); out_free_cpu_groups: - kfree(cpu_groups); + free_cpu_groups(nb_cpu_group, &cpu_groups); out_free_cpus: free_cpumask_var(offlined_cpus); return err; diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c index 6692888f04cf..a200a2174611 100644 --- a/drivers/firmware/raspberrypi.c +++ b/drivers/firmware/raspberrypi.c @@ -21,6 +21,10 @@ #define MBOX_DATA28(msg) ((msg) & ~0xf) #define MBOX_CHAN_PROPERTY 8 +#define MAX_RPI_FW_PROP_BUF_SIZE 32 + +static struct platform_device *rpi_hwmon; + struct rpi_firmware { struct mbox_client cl; struct mbox_chan *chan; /* The property channel. */ @@ -143,18 +147,22 @@ int rpi_firmware_property(struct rpi_firmware *fw, /* Single tags are very small (generally 8 bytes), so the * stack should be safe. */ - u8 data[buf_size + sizeof(struct rpi_firmware_property_tag_header)]; + u8 data[sizeof(struct rpi_firmware_property_tag_header) + + MAX_RPI_FW_PROP_BUF_SIZE]; struct rpi_firmware_property_tag_header *header = (struct rpi_firmware_property_tag_header *)data; int ret; + if (WARN_ON(buf_size > sizeof(data) - sizeof(*header))) + return -EINVAL; + header->tag = tag; header->buf_size = buf_size; header->req_resp_size = 0; memcpy(data + sizeof(struct rpi_firmware_property_tag_header), tag_data, buf_size); - ret = rpi_firmware_property_list(fw, &data, sizeof(data)); + ret = rpi_firmware_property_list(fw, &data, buf_size + sizeof(*header)); memcpy(tag_data, data + sizeof(struct rpi_firmware_property_tag_header), buf_size); @@ -183,6 +191,20 @@ rpi_firmware_print_firmware_revision(struct rpi_firmware *fw) } } +static void +rpi_register_hwmon_driver(struct device *dev, struct rpi_firmware *fw) +{ + u32 packet; + int ret = rpi_firmware_property(fw, RPI_FIRMWARE_GET_THROTTLED, + &packet, sizeof(packet)); + + if (ret) + return; + + rpi_hwmon = platform_device_register_data(dev, "raspberrypi-hwmon", + -1, NULL, 0); +} + static int rpi_firmware_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -209,6 +231,7 @@ static int rpi_firmware_probe(struct platform_device *pdev) platform_set_drvdata(pdev, fw); rpi_firmware_print_firmware_revision(fw); + rpi_register_hwmon_driver(dev, fw); return 0; } @@ -217,6 +240,8 @@ static int rpi_firmware_remove(struct platform_device *pdev) { struct rpi_firmware *fw = platform_get_drvdata(pdev); + platform_device_unregister(rpi_hwmon); + rpi_hwmon = NULL; mbox_free_channel(fw->chan); return 0; diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index ccf42663a908..81da17a42dc9 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1320,6 +1320,16 @@ config SENSORS_PWM_FAN This driver can also be built as a module. If so, the module will be called pwm-fan. +config SENSORS_RASPBERRYPI_HWMON + tristate "Raspberry Pi voltage monitor" + depends on RASPBERRYPI_FIRMWARE || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE) + help + If you say yes here you get support for voltage sensor on the + Raspberry Pi. + + This driver can also be built as a module. If so, the module + will be called raspberrypi-hwmon. + config SENSORS_SHT15 tristate "Sensiron humidity and temperature sensors. SHT15 and compat." depends on GPIOLIB || COMPILE_TEST diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 842c92f83ce6..93f7f41ea4ad 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -143,6 +143,7 @@ obj-$(CONFIG_SENSORS_PC87427) += pc87427.o obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o obj-$(CONFIG_SENSORS_POWR1220) += powr1220.o obj-$(CONFIG_SENSORS_PWM_FAN) += pwm-fan.o +obj-$(CONFIG_SENSORS_RASPBERRYPI_HWMON) += raspberrypi-hwmon.o obj-$(CONFIG_SENSORS_S3C) += s3c-hwmon.o obj-$(CONFIG_SENSORS_SCH56XX_COMMON)+= sch56xx-common.o obj-$(CONFIG_SENSORS_SCH5627) += sch5627.o diff --git a/drivers/hwmon/raspberrypi-hwmon.c b/drivers/hwmon/raspberrypi-hwmon.c new file mode 100644 index 000000000000..fb4e4a6bb1f6 --- /dev/null +++ b/drivers/hwmon/raspberrypi-hwmon.c @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Raspberry Pi voltage sensor driver + * + * Based on firmware/raspberrypi.c by Noralf Trønnes + * + * Copyright (C) 2018 Stefan Wahren <stefan.wahren@i2se.com> + */ +#include <linux/device.h> +#include <linux/err.h> +#include <linux/hwmon.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/workqueue.h> +#include <soc/bcm2835/raspberrypi-firmware.h> + +#define UNDERVOLTAGE_STICKY_BIT BIT(16) + +struct rpi_hwmon_data { + struct device *hwmon_dev; + struct rpi_firmware *fw; + u32 last_throttled; + struct delayed_work get_values_poll_work; +}; + +static void rpi_firmware_get_throttled(struct rpi_hwmon_data *data) +{ + u32 new_uv, old_uv, value; + int ret; + + /* Request firmware to clear sticky bits */ + value = 0xffff; + + ret = rpi_firmware_property(data->fw, RPI_FIRMWARE_GET_THROTTLED, + &value, sizeof(value)); + if (ret) { + dev_err_once(data->hwmon_dev, "Failed to get throttled (%d)\n", + ret); + return; + } + + new_uv = value & UNDERVOLTAGE_STICKY_BIT; + old_uv = data->last_throttled & UNDERVOLTAGE_STICKY_BIT; + data->last_throttled = value; + + if (new_uv == old_uv) + return; + + if (new_uv) + dev_crit(data->hwmon_dev, "Undervoltage detected!\n"); + else + dev_info(data->hwmon_dev, "Voltage normalised\n"); + + sysfs_notify(&data->hwmon_dev->kobj, NULL, "in0_lcrit_alarm"); +} + +static void get_values_poll(struct work_struct *work) +{ + struct rpi_hwmon_data *data; + + data = container_of(work, struct rpi_hwmon_data, + get_values_poll_work.work); + + rpi_firmware_get_throttled(data); + + /* + * We can't run faster than the sticky shift (100ms) since we get + * flipping in the sticky bits that are cleared. + */ + schedule_delayed_work(&data->get_values_poll_work, 2 * HZ); +} + +static int rpi_read(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long *val) +{ + struct rpi_hwmon_data *data = dev_get_drvdata(dev); + + *val = !!(data->last_throttled & UNDERVOLTAGE_STICKY_BIT); + return 0; +} + +static umode_t rpi_is_visible(const void *_data, enum hwmon_sensor_types type, + u32 attr, int channel) +{ + return 0444; +} + +static const u32 rpi_in_config[] = { + HWMON_I_LCRIT_ALARM, + 0 +}; + +static const struct hwmon_channel_info rpi_in = { + .type = hwmon_in, + .config = rpi_in_config, +}; + +static const struct hwmon_channel_info *rpi_info[] = { + &rpi_in, + NULL +}; + +static const struct hwmon_ops rpi_hwmon_ops = { + .is_visible = rpi_is_visible, + .read = rpi_read, +}; + +static const struct hwmon_chip_info rpi_chip_info = { + .ops = &rpi_hwmon_ops, + .info = rpi_info, +}; + +static int rpi_hwmon_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct rpi_hwmon_data *data; + int ret; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + /* Parent driver assure that firmware is correct */ + data->fw = dev_get_drvdata(dev->parent); + + /* Init throttled */ + ret = rpi_firmware_property(data->fw, RPI_FIRMWARE_GET_THROTTLED, + &data->last_throttled, + sizeof(data->last_throttled)); + + data->hwmon_dev = devm_hwmon_device_register_with_info(dev, "rpi_volt", + data, + &rpi_chip_info, + NULL); + + INIT_DELAYED_WORK(&data->get_values_poll_work, get_values_poll); + platform_set_drvdata(pdev, data); + + if (!PTR_ERR_OR_ZERO(data->hwmon_dev)) + schedule_delayed_work(&data->get_values_poll_work, 2 * HZ); + + return PTR_ERR_OR_ZERO(data->hwmon_dev); +} + +static int rpi_hwmon_remove(struct platform_device *pdev) +{ + struct rpi_hwmon_data *data = platform_get_drvdata(pdev); + + cancel_delayed_work_sync(&data->get_values_poll_work); + + return 0; +} + +static struct platform_driver rpi_hwmon_driver = { + .probe = rpi_hwmon_probe, + .remove = rpi_hwmon_remove, + .driver = { + .name = "raspberrypi-hwmon", + }, +}; +module_platform_driver(rpi_hwmon_driver); + +MODULE_AUTHOR("Stefan Wahren <stefan.wahren@i2se.com>"); +MODULE_DESCRIPTION("Raspberry Pi voltage sensor driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c index bb93cc53554e..bd25faf6d13d 100644 --- a/drivers/memory/tegra/mc.c +++ b/drivers/memory/tegra/mc.c @@ -672,13 +672,6 @@ static int tegra_mc_probe(struct platform_device *pdev) return err; } - err = tegra_mc_reset_setup(mc); - if (err < 0) { - dev_err(&pdev->dev, "failed to register reset controller: %d\n", - err); - return err; - } - mc->irq = platform_get_irq(pdev, 0); if (mc->irq < 0) { dev_err(&pdev->dev, "interrupt not specified\n"); @@ -697,13 +690,16 @@ static int tegra_mc_probe(struct platform_device *pdev) return err; } + err = tegra_mc_reset_setup(mc); + if (err < 0) + dev_err(&pdev->dev, "failed to register reset controller: %d\n", + err); + if (IS_ENABLED(CONFIG_TEGRA_IOMMU_SMMU)) { mc->smmu = tegra_smmu_probe(&pdev->dev, mc->soc->smmu, mc); - if (IS_ERR(mc->smmu)) { + if (IS_ERR(mc->smmu)) dev_err(&pdev->dev, "failed to probe SMMU: %ld\n", PTR_ERR(mc->smmu)); - return PTR_ERR(mc->smmu); - } } return 0; diff --git a/drivers/memory/ti-emif-pm.c b/drivers/memory/ti-emif-pm.c index 632651f4b6e8..2250d03ea17f 100644 --- a/drivers/memory/ti-emif-pm.c +++ b/drivers/memory/ti-emif-pm.c @@ -249,6 +249,34 @@ static const struct of_device_id ti_emif_of_match[] = { }; MODULE_DEVICE_TABLE(of, ti_emif_of_match); +#ifdef CONFIG_PM_SLEEP +static int ti_emif_resume(struct device *dev) +{ + unsigned long tmp = + __raw_readl((void *)emif_instance->ti_emif_sram_virt); + + /* + * Check to see if what we are copying is already present in the + * first byte at the destination, only copy if it is not which + * indicates we have lost context and sram no longer contains + * the PM code + */ + if (tmp != ti_emif_sram) + ti_emif_push_sram(dev, emif_instance); + + return 0; +} + +static int ti_emif_suspend(struct device *dev) +{ + /* + * The contents will be present in DDR hence no need to + * explicitly save + */ + return 0; +} +#endif /* CONFIG_PM_SLEEP */ + static int ti_emif_probe(struct platform_device *pdev) { int ret; @@ -308,12 +336,17 @@ static int ti_emif_remove(struct platform_device *pdev) return 0; } +static const struct dev_pm_ops ti_emif_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(ti_emif_suspend, ti_emif_resume) +}; + static struct platform_driver ti_emif_driver = { .probe = ti_emif_probe, .remove = ti_emif_remove, .driver = { .name = KBUILD_MODNAME, .of_match_table = of_match_ptr(ti_emif_of_match), + .pm = &ti_emif_pm_ops, }, }; module_platform_driver(ti_emif_driver); diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index c0b292be1b72..a70262cb7e56 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -82,6 +82,15 @@ config RESET_PISTACHIO help This enables the reset driver for ImgTec Pistachio SoCs. +config RESET_QCOM_AOSS + bool "Qcom AOSS Reset Driver" + depends on ARCH_QCOM || COMPILE_TEST + help + This enables the AOSS (always on subsystem) reset driver + for Qualcomm SDM845 SoCs. Say Y if you want to control + reset signals provided by AOSS for Modem, Venus, ADSP, + GPU, Camera, Wireless, Display subsystem. Otherwise, say N. + config RESET_SIMPLE bool "Simple Reset Controller Driver" if COMPILE_TEST default ARCH_SOCFPGA || ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX || ARCH_ASPEED @@ -138,6 +147,16 @@ config RESET_UNIPHIER Say Y if you want to control reset signals provided by System Control block, Media I/O block, Peripheral Block. +config RESET_UNIPHIER_USB3 + tristate "USB3 reset driver for UniPhier SoCs" + depends on (ARCH_UNIPHIER || COMPILE_TEST) && OF + default ARCH_UNIPHIER + select RESET_SIMPLE + help + Support for the USB3 core reset on UniPhier SoCs. + Say Y if you want to control reset signals provided by + USB3 glue layer. + config RESET_ZYNQ bool "ZYNQ Reset Driver" if COMPILE_TEST default ARCH_ZYNQ diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index c1261dcfe9ad..0676b6b1976f 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -14,11 +14,13 @@ obj-$(CONFIG_RESET_LPC18XX) += reset-lpc18xx.o obj-$(CONFIG_RESET_MESON) += reset-meson.o obj-$(CONFIG_RESET_OXNAS) += reset-oxnas.o obj-$(CONFIG_RESET_PISTACHIO) += reset-pistachio.o +obj-$(CONFIG_RESET_QCOM_AOSS) += reset-qcom-aoss.o obj-$(CONFIG_RESET_SIMPLE) += reset-simple.o obj-$(CONFIG_RESET_STM32MP157) += reset-stm32mp1.o obj-$(CONFIG_RESET_SUNXI) += reset-sunxi.o obj-$(CONFIG_RESET_TI_SCI) += reset-ti-sci.o obj-$(CONFIG_RESET_TI_SYSCON) += reset-ti-syscon.o obj-$(CONFIG_RESET_UNIPHIER) += reset-uniphier.o +obj-$(CONFIG_RESET_UNIPHIER_USB3) += reset-uniphier-usb3.o obj-$(CONFIG_RESET_ZYNQ) += reset-zynq.o diff --git a/drivers/reset/reset-qcom-aoss.c b/drivers/reset/reset-qcom-aoss.c new file mode 100644 index 000000000000..36db96750450 --- /dev/null +++ b/drivers/reset/reset-qcom-aoss.c @@ -0,0 +1,133 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 The Linux Foundation. All rights reserved. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/reset-controller.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/of_device.h> +#include <dt-bindings/reset/qcom,sdm845-aoss.h> + +struct qcom_aoss_reset_map { + unsigned int reg; +}; + +struct qcom_aoss_desc { + const struct qcom_aoss_reset_map *resets; + size_t num_resets; +}; + +struct qcom_aoss_reset_data { + struct reset_controller_dev rcdev; + void __iomem *base; + const struct qcom_aoss_desc *desc; +}; + +static const struct qcom_aoss_reset_map sdm845_aoss_resets[] = { + [AOSS_CC_MSS_RESTART] = {0x10000}, + [AOSS_CC_CAMSS_RESTART] = {0x11000}, + [AOSS_CC_VENUS_RESTART] = {0x12000}, + [AOSS_CC_GPU_RESTART] = {0x13000}, + [AOSS_CC_DISPSS_RESTART] = {0x14000}, + [AOSS_CC_WCSS_RESTART] = {0x20000}, + [AOSS_CC_LPASS_RESTART] = {0x30000}, +}; + +static const struct qcom_aoss_desc sdm845_aoss_desc = { + .resets = sdm845_aoss_resets, + .num_resets = ARRAY_SIZE(sdm845_aoss_resets), +}; + +static inline struct qcom_aoss_reset_data *to_qcom_aoss_reset_data( + struct reset_controller_dev *rcdev) +{ + return container_of(rcdev, struct qcom_aoss_reset_data, rcdev); +} + +static int qcom_aoss_control_assert(struct reset_controller_dev *rcdev, + unsigned long idx) +{ + struct qcom_aoss_reset_data *data = to_qcom_aoss_reset_data(rcdev); + const struct qcom_aoss_reset_map *map = &data->desc->resets[idx]; + + writel(1, data->base + map->reg); + /* Wait 6 32kHz sleep cycles for reset */ + usleep_range(200, 300); + return 0; +} + +static int qcom_aoss_control_deassert(struct reset_controller_dev *rcdev, + unsigned long idx) +{ + struct qcom_aoss_reset_data *data = to_qcom_aoss_reset_data(rcdev); + const struct qcom_aoss_reset_map *map = &data->desc->resets[idx]; + + writel(0, data->base + map->reg); + /* Wait 6 32kHz sleep cycles for reset */ + usleep_range(200, 300); + return 0; +} + +static int qcom_aoss_control_reset(struct reset_controller_dev *rcdev, + unsigned long idx) +{ + qcom_aoss_control_assert(rcdev, idx); + + return qcom_aoss_control_deassert(rcdev, idx); +} + +static const struct reset_control_ops qcom_aoss_reset_ops = { + .reset = qcom_aoss_control_reset, + .assert = qcom_aoss_control_assert, + .deassert = qcom_aoss_control_deassert, +}; + +static int qcom_aoss_reset_probe(struct platform_device *pdev) +{ + struct qcom_aoss_reset_data *data; + struct device *dev = &pdev->dev; + const struct qcom_aoss_desc *desc; + struct resource *res; + + desc = of_device_get_match_data(dev); + if (!desc) + return -EINVAL; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->desc = desc; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + data->base = devm_ioremap_resource(dev, res); + if (IS_ERR(data->base)) + return PTR_ERR(data->base); + + data->rcdev.owner = THIS_MODULE; + data->rcdev.ops = &qcom_aoss_reset_ops; + data->rcdev.nr_resets = desc->num_resets; + data->rcdev.of_node = dev->of_node; + + return devm_reset_controller_register(dev, &data->rcdev); +} + +static const struct of_device_id qcom_aoss_reset_of_match[] = { + { .compatible = "qcom,sdm845-aoss-cc", .data = &sdm845_aoss_desc }, + {} +}; + +static struct platform_driver qcom_aoss_reset_driver = { + .probe = qcom_aoss_reset_probe, + .driver = { + .name = "qcom_aoss_reset", + .of_match_table = qcom_aoss_reset_of_match, + }, +}; + +builtin_platform_driver(qcom_aoss_reset_driver); + +MODULE_DESCRIPTION("Qualcomm AOSS Reset Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c index f7ce8910a392..a91107fc9e27 100644 --- a/drivers/reset/reset-simple.c +++ b/drivers/reset/reset-simple.c @@ -87,6 +87,7 @@ const struct reset_control_ops reset_simple_ops = { .deassert = reset_simple_deassert, .status = reset_simple_status, }; +EXPORT_SYMBOL_GPL(reset_simple_ops); /** * struct reset_simple_devdata - simple reset controller properties diff --git a/drivers/reset/reset-uniphier-usb3.c b/drivers/reset/reset-uniphier-usb3.c new file mode 100644 index 000000000000..ffa1b19b594d --- /dev/null +++ b/drivers/reset/reset-uniphier-usb3.c @@ -0,0 +1,171 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// reset-uniphier-usb3.c - USB3 reset driver for UniPhier +// Copyright 2018 Socionext Inc. +// Author: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> + +#include <linux/clk.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/reset.h> + +#include "reset-simple.h" + +#define MAX_CLKS 2 +#define MAX_RSTS 2 + +struct uniphier_usb3_reset_soc_data { + int nclks; + const char * const *clock_names; + int nrsts; + const char * const *reset_names; +}; + +struct uniphier_usb3_reset_priv { + struct clk_bulk_data clk[MAX_CLKS]; + struct reset_control *rst[MAX_RSTS]; + struct reset_simple_data rdata; + const struct uniphier_usb3_reset_soc_data *data; +}; + +static int uniphier_usb3_reset_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct uniphier_usb3_reset_priv *priv; + struct resource *res; + resource_size_t size; + const char *name; + int i, ret, nr; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->data = of_device_get_match_data(dev); + if (WARN_ON(!priv->data || priv->data->nclks > MAX_CLKS || + priv->data->nrsts > MAX_RSTS)) + return -EINVAL; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + size = resource_size(res); + priv->rdata.membase = devm_ioremap_resource(dev, res); + if (IS_ERR(priv->rdata.membase)) + return PTR_ERR(priv->rdata.membase); + + for (i = 0; i < priv->data->nclks; i++) + priv->clk[i].id = priv->data->clock_names[i]; + ret = devm_clk_bulk_get(dev, priv->data->nclks, priv->clk); + if (ret) + return ret; + + for (i = 0; i < priv->data->nrsts; i++) { + name = priv->data->reset_names[i]; + priv->rst[i] = devm_reset_control_get_shared(dev, name); + if (IS_ERR(priv->rst[i])) + return PTR_ERR(priv->rst[i]); + } + + ret = clk_bulk_prepare_enable(priv->data->nclks, priv->clk); + if (ret) + return ret; + + for (nr = 0; nr < priv->data->nrsts; nr++) { + ret = reset_control_deassert(priv->rst[nr]); + if (ret) + goto out_rst_assert; + } + + spin_lock_init(&priv->rdata.lock); + priv->rdata.rcdev.owner = THIS_MODULE; + priv->rdata.rcdev.nr_resets = size * BITS_PER_BYTE; + priv->rdata.rcdev.ops = &reset_simple_ops; + priv->rdata.rcdev.of_node = dev->of_node; + priv->rdata.active_low = true; + + platform_set_drvdata(pdev, priv); + + ret = devm_reset_controller_register(dev, &priv->rdata.rcdev); + if (ret) + goto out_rst_assert; + + return 0; + +out_rst_assert: + while (nr--) + reset_control_assert(priv->rst[nr]); + + clk_bulk_disable_unprepare(priv->data->nclks, priv->clk); + + return ret; +} + +static int uniphier_usb3_reset_remove(struct platform_device *pdev) +{ + struct uniphier_usb3_reset_priv *priv = platform_get_drvdata(pdev); + int i; + + for (i = 0; i < priv->data->nrsts; i++) + reset_control_assert(priv->rst[i]); + + clk_bulk_disable_unprepare(priv->data->nclks, priv->clk); + + return 0; +} + +static const char * const uniphier_pro4_clock_reset_names[] = { + "gio", "link", +}; + +static const struct uniphier_usb3_reset_soc_data uniphier_pro4_data = { + .nclks = ARRAY_SIZE(uniphier_pro4_clock_reset_names), + .clock_names = uniphier_pro4_clock_reset_names, + .nrsts = ARRAY_SIZE(uniphier_pro4_clock_reset_names), + .reset_names = uniphier_pro4_clock_reset_names, +}; + +static const char * const uniphier_pxs2_clock_reset_names[] = { + "link", +}; + +static const struct uniphier_usb3_reset_soc_data uniphier_pxs2_data = { + .nclks = ARRAY_SIZE(uniphier_pxs2_clock_reset_names), + .clock_names = uniphier_pxs2_clock_reset_names, + .nrsts = ARRAY_SIZE(uniphier_pxs2_clock_reset_names), + .reset_names = uniphier_pxs2_clock_reset_names, +}; + +static const struct of_device_id uniphier_usb3_reset_match[] = { + { + .compatible = "socionext,uniphier-pro4-usb3-reset", + .data = &uniphier_pro4_data, + }, + { + .compatible = "socionext,uniphier-pxs2-usb3-reset", + .data = &uniphier_pxs2_data, + }, + { + .compatible = "socionext,uniphier-ld20-usb3-reset", + .data = &uniphier_pxs2_data, + }, + { + .compatible = "socionext,uniphier-pxs3-usb3-reset", + .data = &uniphier_pxs2_data, + }, + { /* Sentinel */ } +}; +MODULE_DEVICE_TABLE(of, uniphier_usb3_reset_match); + +static struct platform_driver uniphier_usb3_reset_driver = { + .probe = uniphier_usb3_reset_probe, + .remove = uniphier_usb3_reset_remove, + .driver = { + .name = "uniphier-usb3-reset", + .of_match_table = uniphier_usb3_reset_match, + }, +}; +module_platform_driver(uniphier_usb3_reset_driver); + +MODULE_AUTHOR("Kunihiko Hayashi <hayashi.kunihiko@socionext.com>"); +MODULE_DESCRIPTION("UniPhier USB3 Reset Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/reset/reset-uniphier.c b/drivers/reset/reset-uniphier.c index e9030ff1bf2f..5605745663ae 100644 --- a/drivers/reset/reset-uniphier.c +++ b/drivers/reset/reset-uniphier.c @@ -202,6 +202,12 @@ static const struct uniphier_reset_data uniphier_pro5_sd_reset_data[] = { #define UNIPHIER_PERI_RESET_FI2C(id, ch) \ UNIPHIER_RESETX((id), 0x114, 24 + (ch)) +#define UNIPHIER_PERI_RESET_SCSSI(id) \ + UNIPHIER_RESETX((id), 0x110, 17) + +#define UNIPHIER_PERI_RESET_MCSSI(id) \ + UNIPHIER_RESETX((id), 0x114, 14) + static const struct uniphier_reset_data uniphier_ld4_peri_reset_data[] = { UNIPHIER_PERI_RESET_UART(0, 0), UNIPHIER_PERI_RESET_UART(1, 1), @@ -212,6 +218,7 @@ static const struct uniphier_reset_data uniphier_ld4_peri_reset_data[] = { UNIPHIER_PERI_RESET_I2C(6, 2), UNIPHIER_PERI_RESET_I2C(7, 3), UNIPHIER_PERI_RESET_I2C(8, 4), + UNIPHIER_PERI_RESET_SCSSI(11), UNIPHIER_RESET_END, }; @@ -227,6 +234,8 @@ static const struct uniphier_reset_data uniphier_pro4_peri_reset_data[] = { UNIPHIER_PERI_RESET_FI2C(8, 4), UNIPHIER_PERI_RESET_FI2C(9, 5), UNIPHIER_PERI_RESET_FI2C(10, 6), + UNIPHIER_PERI_RESET_SCSSI(11), + UNIPHIER_PERI_RESET_MCSSI(12), UNIPHIER_RESET_END, }; diff --git a/drivers/soc/bcm/brcmstb/pm/pm-arm.c b/drivers/soc/bcm/brcmstb/pm/pm-arm.c index dcf8c8065508..a5577dd5eb08 100644 --- a/drivers/soc/bcm/brcmstb/pm/pm-arm.c +++ b/drivers/soc/bcm/brcmstb/pm/pm-arm.c @@ -628,10 +628,26 @@ static const struct of_device_id ddr_shimphy_dt_ids[] = { static const struct of_device_id brcmstb_memc_of_match[] = { { + .compatible = "brcm,brcmstb-memc-ddr-rev-b.2.1", + .data = &ddr_seq, + }, + { .compatible = "brcm,brcmstb-memc-ddr-rev-b.2.2", .data = &ddr_seq_b22, }, { + .compatible = "brcm,brcmstb-memc-ddr-rev-b.2.3", + .data = &ddr_seq_b22, + }, + { + .compatible = "brcm,brcmstb-memc-ddr-rev-b.3.0", + .data = &ddr_seq_b22, + }, + { + .compatible = "brcm,brcmstb-memc-ddr-rev-b.3.1", + .data = &ddr_seq_b22, + }, + { .compatible = "brcm,brcmstb-memc-ddr", .data = &ddr_seq, }, diff --git a/drivers/soc/fsl/Kconfig b/drivers/soc/fsl/Kconfig index 7a9fb9baa66d..8f80e8bbf29e 100644 --- a/drivers/soc/fsl/Kconfig +++ b/drivers/soc/fsl/Kconfig @@ -1,7 +1,9 @@ # -# Freescale SOC drivers +# NXP/Freescale QorIQ series SOC drivers # +menu "NXP/Freescale QorIQ SoC drivers" + source "drivers/soc/fsl/qbman/Kconfig" source "drivers/soc/fsl/qe/Kconfig" @@ -16,3 +18,14 @@ config FSL_GUTS Initially only reading SVR and registering soc device are supported. Other guts accesses, such as reading RCW, should eventually be moved into this driver as well. + +config FSL_MC_DPIO + tristate "QorIQ DPAA2 DPIO driver" + depends on FSL_MC_BUS + help + Driver for the DPAA2 DPIO object. A DPIO provides queue and + buffer management facilities for software to interact with + other DPAA2 objects. This driver does not expose the DPIO + objects individually, but groups them under a service layer + API. +endmenu diff --git a/drivers/soc/fsl/Makefile b/drivers/soc/fsl/Makefile index 44b3bebef24a..803ef1bfb5ff 100644 --- a/drivers/soc/fsl/Makefile +++ b/drivers/soc/fsl/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_FSL_DPAA) += qbman/ obj-$(CONFIG_QUICC_ENGINE) += qe/ obj-$(CONFIG_CPM) += qe/ obj-$(CONFIG_FSL_GUTS) += guts.o +obj-$(CONFIG_FSL_MC_DPIO) += dpio/ diff --git a/drivers/staging/fsl-mc/bus/dpio/Makefile b/drivers/soc/fsl/dpio/Makefile index b9ff24c76582..b9ff24c76582 100644 --- a/drivers/staging/fsl-mc/bus/dpio/Makefile +++ b/drivers/soc/fsl/dpio/Makefile diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio-cmd.h b/drivers/soc/fsl/dpio/dpio-cmd.h index ab8f82ee7ee5..ab8f82ee7ee5 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio-cmd.h +++ b/drivers/soc/fsl/dpio/dpio-cmd.h diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio-driver.c b/drivers/soc/fsl/dpio/dpio-driver.c index 11a90a90d827..b60b77bfaffa 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio-driver.c +++ b/drivers/soc/fsl/dpio/dpio-driver.c @@ -16,7 +16,7 @@ #include <linux/io.h> #include <linux/fsl/mc.h> -#include "../../include/dpaa2-io.h" +#include <soc/fsl/dpaa2-io.h> #include "qbman-portal.h" #include "dpio.h" diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dpio-service.c index 14ed2beb7432..9b17f72349ed 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c +++ b/drivers/soc/fsl/dpio/dpio-service.c @@ -6,7 +6,7 @@ */ #include <linux/types.h> #include <linux/fsl/mc.h> -#include "../../include/dpaa2-io.h" +#include <soc/fsl/dpaa2-io.h> #include <linux/init.h> #include <linux/module.h> #include <linux/platform_device.h> diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio.c b/drivers/soc/fsl/dpio/dpio.c index ff37c80e11a0..ff37c80e11a0 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio.c +++ b/drivers/soc/fsl/dpio/dpio.c diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio.h b/drivers/soc/fsl/dpio/dpio.h index 49194c8e45f1..49194c8e45f1 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio.h +++ b/drivers/soc/fsl/dpio/dpio.h diff --git a/drivers/staging/fsl-mc/bus/dpio/qbman-portal.c b/drivers/soc/fsl/dpio/qbman-portal.c index 116fafb28640..cf1d448ea468 100644 --- a/drivers/staging/fsl-mc/bus/dpio/qbman-portal.c +++ b/drivers/soc/fsl/dpio/qbman-portal.c @@ -8,7 +8,7 @@ #include <asm/cacheflush.h> #include <linux/io.h> #include <linux/slab.h> -#include "../../include/dpaa2-global.h" +#include <soc/fsl/dpaa2-global.h> #include "qbman-portal.h" diff --git a/drivers/staging/fsl-mc/bus/dpio/qbman-portal.h b/drivers/soc/fsl/dpio/qbman-portal.h index 69db3c818742..89d1dd9969b6 100644 --- a/drivers/staging/fsl-mc/bus/dpio/qbman-portal.h +++ b/drivers/soc/fsl/dpio/qbman-portal.h @@ -7,7 +7,7 @@ #ifndef __FSL_QBMAN_PORTAL_H #define __FSL_QBMAN_PORTAL_H -#include "../../include/dpaa2-fd.h" +#include <soc/fsl/dpaa2-fd.h> struct dpaa2_dq; struct qbman_swp; diff --git a/drivers/soc/fsl/qbman/Kconfig b/drivers/soc/fsl/qbman/Kconfig index fb4e6bf0a0c4..d570cb5fd381 100644 --- a/drivers/soc/fsl/qbman/Kconfig +++ b/drivers/soc/fsl/qbman/Kconfig @@ -1,5 +1,5 @@ menuconfig FSL_DPAA - bool "Freescale DPAA 1.x support" + bool "QorIQ DPAA1 framework support" depends on (FSL_SOC_BOOKE || ARCH_LAYERSCAPE) select GENERIC_ALLOCATOR help diff --git a/drivers/soc/fsl/qe/Kconfig b/drivers/soc/fsl/qe/Kconfig index 73a2e08b47ef..fabba17e9d65 100644 --- a/drivers/soc/fsl/qe/Kconfig +++ b/drivers/soc/fsl/qe/Kconfig @@ -3,7 +3,7 @@ # config QUICC_ENGINE - bool "Freescale QUICC Engine (QE) Support" + bool "QUICC Engine (QE) framework support" depends on FSL_SOC && PPC32 select GENERIC_ALLOCATOR select CRC32 diff --git a/drivers/soc/fsl/qe/gpio.c b/drivers/soc/fsl/qe/gpio.c index 3b27075c21a7..819bed0f5667 100644 --- a/drivers/soc/fsl/qe/gpio.c +++ b/drivers/soc/fsl/qe/gpio.c @@ -83,6 +83,33 @@ static void qe_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) spin_unlock_irqrestore(&qe_gc->lock, flags); } +static void qe_gpio_set_multiple(struct gpio_chip *gc, + unsigned long *mask, unsigned long *bits) +{ + struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); + struct qe_gpio_chip *qe_gc = gpiochip_get_data(gc); + struct qe_pio_regs __iomem *regs = mm_gc->regs; + unsigned long flags; + int i; + + spin_lock_irqsave(&qe_gc->lock, flags); + + for (i = 0; i < gc->ngpio; i++) { + if (*mask == 0) + break; + if (__test_and_clear_bit(i, mask)) { + if (test_bit(i, bits)) + qe_gc->cpdata |= (1U << (QE_PIO_PINS - 1 - i)); + else + qe_gc->cpdata &= ~(1U << (QE_PIO_PINS - 1 - i)); + } + } + + out_be32(®s->cpdata, qe_gc->cpdata); + + spin_unlock_irqrestore(&qe_gc->lock, flags); +} + static int qe_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); @@ -298,6 +325,7 @@ static int __init qe_add_gpiochips(void) gc->direction_output = qe_gpio_dir_out; gc->get = qe_gpio_get; gc->set = qe_gpio_set; + gc->set_multiple = qe_gpio_set_multiple; ret = of_mm_gpiochip_add_data(np, mm_gc, qe_gc); if (ret) diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c index 546960a18d60..b3da635970ea 100644 --- a/drivers/soc/imx/gpc.c +++ b/drivers/soc/imx/gpc.c @@ -54,7 +54,6 @@ struct imx_pm_domain { unsigned int reg_offs; signed char cntr_pdn_bit; unsigned int ipg_rate_mhz; - unsigned int flags; }; static inline struct imx_pm_domain * @@ -69,9 +68,6 @@ static int imx6_pm_domain_power_off(struct generic_pm_domain *genpd) int iso, iso2sw; u32 val; - if (pd->flags & PGC_DOMAIN_FLAG_NO_PD) - return -EBUSY; - /* Read ISO and ISO2SW power down delays */ regmap_read(pd->regmap, pd->reg_offs + GPC_PGC_PUPSCR_OFFS, &val); iso = val & 0x3f; @@ -295,26 +291,31 @@ static struct imx_pm_domain imx_gpc_domains[] = { struct imx_gpc_dt_data { int num_domains; bool err009619_present; + bool err006287_present; }; static const struct imx_gpc_dt_data imx6q_dt_data = { .num_domains = 2, .err009619_present = false, + .err006287_present = false, }; static const struct imx_gpc_dt_data imx6qp_dt_data = { .num_domains = 2, .err009619_present = true, + .err006287_present = false, }; static const struct imx_gpc_dt_data imx6sl_dt_data = { .num_domains = 3, .err009619_present = false, + .err006287_present = true, }; static const struct imx_gpc_dt_data imx6sx_dt_data = { .num_domains = 4, .err009619_present = false, + .err006287_present = false, }; static const struct of_device_id imx_gpc_dt_ids[] = { @@ -434,8 +435,13 @@ static int imx_gpc_probe(struct platform_device *pdev) /* Disable PU power down in normal operation if ERR009619 is present */ if (of_id_data->err009619_present) - imx_gpc_domains[GPC_PGC_DOMAIN_PU].flags |= - PGC_DOMAIN_FLAG_NO_PD; + imx_gpc_domains[GPC_PGC_DOMAIN_PU].base.flags |= + GENPD_FLAG_ALWAYS_ON; + + /* Keep DISP always on if ERR006287 is present */ + if (of_id_data->err006287_present) + imx_gpc_domains[GPC_PGC_DOMAIN_DISPLAY].base.flags |= + GENPD_FLAG_ALWAYS_ON; if (!pgc_node) { ret = imx_gpc_old_dt_init(&pdev->dev, regmap, diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c index 2afae64061d8..4e931fdf4d09 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -146,6 +146,21 @@ static const u32 mt6397_regs[] = { [PWRAP_DEW_CIPHER_SWRST] = 0xbc24, }; +static const u32 mt6351_regs[] = { + [PWRAP_DEW_DIO_EN] = 0x02F2, + [PWRAP_DEW_READ_TEST] = 0x02F4, + [PWRAP_DEW_WRITE_TEST] = 0x02F6, + [PWRAP_DEW_CRC_EN] = 0x02FA, + [PWRAP_DEW_CRC_VAL] = 0x02FC, + [PWRAP_DEW_CIPHER_KEY_SEL] = 0x0300, + [PWRAP_DEW_CIPHER_IV_SEL] = 0x0302, + [PWRAP_DEW_CIPHER_EN] = 0x0304, + [PWRAP_DEW_CIPHER_RDY] = 0x0306, + [PWRAP_DEW_CIPHER_MODE] = 0x0308, + [PWRAP_DEW_CIPHER_SWRST] = 0x030A, + [PWRAP_DEW_RDDMY_NO] = 0x030C, +}; + enum pwrap_regs { PWRAP_MUX_SEL, PWRAP_WRAP_EN, @@ -366,6 +381,39 @@ static int mt2701_regs[] = { [PWRAP_ADC_RDATA_ADDR2] = 0x154, }; +static int mt6797_regs[] = { + [PWRAP_MUX_SEL] = 0x0, + [PWRAP_WRAP_EN] = 0x4, + [PWRAP_DIO_EN] = 0x8, + [PWRAP_SIDLY] = 0xC, + [PWRAP_RDDMY] = 0x10, + [PWRAP_CSHEXT_WRITE] = 0x18, + [PWRAP_CSHEXT_READ] = 0x1C, + [PWRAP_CSLEXT_START] = 0x20, + [PWRAP_CSLEXT_END] = 0x24, + [PWRAP_STAUPD_PRD] = 0x28, + [PWRAP_HARB_HPRIO] = 0x50, + [PWRAP_HIPRIO_ARB_EN] = 0x54, + [PWRAP_MAN_EN] = 0x60, + [PWRAP_MAN_CMD] = 0x64, + [PWRAP_WACS0_EN] = 0x70, + [PWRAP_WACS1_EN] = 0x84, + [PWRAP_WACS2_EN] = 0x98, + [PWRAP_INIT_DONE2] = 0x9C, + [PWRAP_WACS2_CMD] = 0xA0, + [PWRAP_WACS2_RDATA] = 0xA4, + [PWRAP_WACS2_VLDCLR] = 0xA8, + [PWRAP_INT_EN] = 0xC0, + [PWRAP_INT_FLG_RAW] = 0xC4, + [PWRAP_INT_FLG] = 0xC8, + [PWRAP_INT_CLR] = 0xCC, + [PWRAP_TIMER_EN] = 0xF4, + [PWRAP_WDT_UNIT] = 0xFC, + [PWRAP_WDT_SRC_EN] = 0x100, + [PWRAP_DCM_EN] = 0x1CC, + [PWRAP_DCM_DBC_PRD] = 0x1D4, +}; + static int mt7622_regs[] = { [PWRAP_MUX_SEL] = 0x0, [PWRAP_WRAP_EN] = 0x4, @@ -635,12 +683,14 @@ static int mt8135_regs[] = { enum pmic_type { PMIC_MT6323, + PMIC_MT6351, PMIC_MT6380, PMIC_MT6397, }; enum pwrap_type { PWRAP_MT2701, + PWRAP_MT6797, PWRAP_MT7622, PWRAP_MT8135, PWRAP_MT8173, @@ -1067,6 +1117,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) pwrap_writel(wrp, 1, PWRAP_CIPHER_START); break; case PWRAP_MT2701: + case PWRAP_MT6797: case PWRAP_MT8173: pwrap_writel(wrp, 1, PWRAP_CIPHER_EN); break; @@ -1080,8 +1131,6 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_SWRST], 0x0); pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_KEY_SEL], 0x1); pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_IV_SEL], 0x2); - pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD], 0x1); - pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START], 0x1); switch (wrp->slave->type) { case PMIC_MT6397: @@ -1091,6 +1140,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) 0x1); break; case PMIC_MT6323: + case PMIC_MT6351: pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN], 0x1); break; @@ -1367,6 +1417,15 @@ static const struct pwrap_slv_type pmic_mt6397 = { .pwrap_write = pwrap_write16, }; +static const struct pwrap_slv_type pmic_mt6351 = { + .dew_regs = mt6351_regs, + .type = PMIC_MT6351, + .regmap = &pwrap_regmap_config16, + .caps = 0, + .pwrap_read = pwrap_read16, + .pwrap_write = pwrap_write16, +}; + static const struct of_device_id of_slave_match_tbl[] = { { .compatible = "mediatek,mt6323", @@ -1381,6 +1440,9 @@ static const struct of_device_id of_slave_match_tbl[] = { .compatible = "mediatek,mt6397", .data = &pmic_mt6397, }, { + .compatible = "mediatek,mt6351", + .data = &pmic_mt6351, + }, { /* sentinel */ } }; @@ -1398,6 +1460,18 @@ static const struct pmic_wrapper_type pwrap_mt2701 = { .init_soc_specific = pwrap_mt2701_init_soc_specific, }; +static const struct pmic_wrapper_type pwrap_mt6797 = { + .regs = mt6797_regs, + .type = PWRAP_MT6797, + .arb_en_all = 0x01fff, + .int_en_all = 0xffffffc6, + .spi_w = PWRAP_MAN_CMD_SPI_WRITE, + .wdt_src = PWRAP_WDT_SRC_MASK_ALL, + .has_bridge = 0, + .init_reg_clock = pwrap_common_init_reg_clock, + .init_soc_specific = NULL, +}; + static const struct pmic_wrapper_type pwrap_mt7622 = { .regs = mt7622_regs, .type = PWRAP_MT7622, @@ -1439,6 +1513,9 @@ static const struct of_device_id of_pwrap_match_tbl[] = { .compatible = "mediatek,mt2701-pwrap", .data = &pwrap_mt2701, }, { + .compatible = "mediatek,mt6797-pwrap", + .data = &pwrap_mt6797, + }, { .compatible = "mediatek,mt7622-pwrap", .data = &pwrap_mt7622, }, { diff --git a/drivers/soc/sunxi/sunxi_sram.c b/drivers/soc/sunxi/sunxi_sram.c index 882be5ed7e84..b4b0f3480bd3 100644 --- a/drivers/soc/sunxi/sunxi_sram.c +++ b/drivers/soc/sunxi/sunxi_sram.c @@ -17,6 +17,7 @@ #include <linux/of_address.h> #include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/regmap.h> #include <linux/soc/sunxi/sunxi_sram.h> @@ -63,6 +64,12 @@ static struct sunxi_sram_desc sun4i_a10_sram_a3_a4 = { SUNXI_SRAM_MAP(1, 1, "emac")), }; +static struct sunxi_sram_desc sun4i_a10_sram_c1 = { + .data = SUNXI_SRAM_DATA("C1", 0x0, 0x0, 31, + SUNXI_SRAM_MAP(0, 0, "cpu"), + SUNXI_SRAM_MAP(0x7fffffff, 1, "ve")), +}; + static struct sunxi_sram_desc sun4i_a10_sram_d = { .data = SUNXI_SRAM_DATA("D", 0x4, 0x0, 1, SUNXI_SRAM_MAP(0, 0, "cpu"), @@ -81,6 +88,10 @@ static const struct of_device_id sunxi_sram_dt_ids[] = { .data = &sun4i_a10_sram_a3_a4.data, }, { + .compatible = "allwinner,sun4i-a10-sram-c1", + .data = &sun4i_a10_sram_c1.data, + }, + { .compatible = "allwinner,sun4i-a10-sram-d", .data = &sun4i_a10_sram_d.data, }, @@ -281,13 +292,51 @@ int sunxi_sram_release(struct device *dev) } EXPORT_SYMBOL(sunxi_sram_release); +struct sunxi_sramc_variant { + bool has_emac_clock; +}; + +static const struct sunxi_sramc_variant sun4i_a10_sramc_variant = { + /* Nothing special */ +}; + +static const struct sunxi_sramc_variant sun50i_a64_sramc_variant = { + .has_emac_clock = true, +}; + +#define SUNXI_SRAM_EMAC_CLOCK_REG 0x30 +static bool sunxi_sram_regmap_accessible_reg(struct device *dev, + unsigned int reg) +{ + if (reg == SUNXI_SRAM_EMAC_CLOCK_REG) + return true; + return false; +} + +static struct regmap_config sunxi_sram_emac_clock_regmap = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + /* last defined register */ + .max_register = SUNXI_SRAM_EMAC_CLOCK_REG, + /* other devices have no business accessing other registers */ + .readable_reg = sunxi_sram_regmap_accessible_reg, + .writeable_reg = sunxi_sram_regmap_accessible_reg, +}; + static int sunxi_sram_probe(struct platform_device *pdev) { struct resource *res; struct dentry *d; + struct regmap *emac_clock; + const struct sunxi_sramc_variant *variant; sram_dev = &pdev->dev; + variant = of_device_get_match_data(&pdev->dev); + if (!variant) + return -EINVAL; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) @@ -300,12 +349,46 @@ static int sunxi_sram_probe(struct platform_device *pdev) if (!d) return -ENOMEM; + if (variant->has_emac_clock) { + emac_clock = devm_regmap_init_mmio(&pdev->dev, base, + &sunxi_sram_emac_clock_regmap); + + if (IS_ERR(emac_clock)) + return PTR_ERR(emac_clock); + } + return 0; } static const struct of_device_id sunxi_sram_dt_match[] = { - { .compatible = "allwinner,sun4i-a10-sram-controller" }, - { .compatible = "allwinner,sun50i-a64-sram-controller" }, + { + .compatible = "allwinner,sun4i-a10-sram-controller", + .data = &sun4i_a10_sramc_variant, + }, + { + .compatible = "allwinner,sun4i-a10-system-control", + .data = &sun4i_a10_sramc_variant, + }, + { + .compatible = "allwinner,sun5i-a13-system-control", + .data = &sun4i_a10_sramc_variant, + }, + { + .compatible = "allwinner,sun8i-a23-system-control", + .data = &sun4i_a10_sramc_variant, + }, + { + .compatible = "allwinner,sun8i-h3-system-control", + .data = &sun4i_a10_sramc_variant, + }, + { + .compatible = "allwinner,sun50i-a64-sram-controller", + .data = &sun50i_a64_sramc_variant, + }, + { + .compatible = "allwinner,sun50i-a64-system-control", + .data = &sun50i_a64_sramc_variant, + }, { }, }; MODULE_DEVICE_TABLE(of, sunxi_sram_dt_match); diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c index 369aef5e7228..f5cb8c0af09f 100644 --- a/drivers/soc/ti/wkup_m3_ipc.c +++ b/drivers/soc/ti/wkup_m3_ipc.c @@ -46,6 +46,7 @@ #define M3_BASELINE_VERSION 0x191 #define M3_STATUS_RESP_MASK (0xffff << 16) #define M3_FW_VERSION_MASK 0xffff +#define M3_WAKE_SRC_MASK 0xff #define M3_STATE_UNKNOWN 0 #define M3_STATE_RESET 1 @@ -55,6 +56,23 @@ static struct wkup_m3_ipc *m3_ipc_state; +static const struct wkup_m3_wakeup_src wakeups[] = { + {.irq_nr = 35, .src = "USB0_PHY"}, + {.irq_nr = 36, .src = "USB1_PHY"}, + {.irq_nr = 40, .src = "I2C0"}, + {.irq_nr = 41, .src = "RTC Timer"}, + {.irq_nr = 42, .src = "RTC Alarm"}, + {.irq_nr = 43, .src = "Timer0"}, + {.irq_nr = 44, .src = "Timer1"}, + {.irq_nr = 45, .src = "UART"}, + {.irq_nr = 46, .src = "GPIO0"}, + {.irq_nr = 48, .src = "MPU_WAKE"}, + {.irq_nr = 49, .src = "WDT0"}, + {.irq_nr = 50, .src = "WDT1"}, + {.irq_nr = 51, .src = "ADC_TSC"}, + {.irq_nr = 0, .src = "Unknown"}, +}; + static void am33xx_txev_eoi(struct wkup_m3_ipc *m3_ipc) { writel(AM33XX_M3_TXEV_ACK, @@ -329,12 +347,45 @@ static int wkup_m3_finish_low_power(struct wkup_m3_ipc *m3_ipc) return 0; } +/** + * wkup_m3_request_wake_src - Get the wakeup source info passed from wkup_m3 + * @m3_ipc: Pointer to wkup_m3_ipc context + */ +static const char *wkup_m3_request_wake_src(struct wkup_m3_ipc *m3_ipc) +{ + unsigned int wakeup_src_idx; + int j, val; + + val = wkup_m3_ctrl_ipc_read(m3_ipc, 6); + + wakeup_src_idx = val & M3_WAKE_SRC_MASK; + + for (j = 0; j < ARRAY_SIZE(wakeups) - 1; j++) { + if (wakeups[j].irq_nr == wakeup_src_idx) + return wakeups[j].src; + } + return wakeups[j].src; +} + +/** + * wkup_m3_set_rtc_only - Set the rtc_only flag + * @wkup_m3_wakeup: struct wkup_m3_wakeup_src * gets assigned the + * wakeup src value + */ +static void wkup_m3_set_rtc_only(struct wkup_m3_ipc *m3_ipc) +{ + if (m3_ipc_state) + m3_ipc_state->is_rtc_only = true; +} + static struct wkup_m3_ipc_ops ipc_ops = { .set_mem_type = wkup_m3_set_mem_type, .set_resume_address = wkup_m3_set_resume_address, .prepare_low_power = wkup_m3_prepare_low_power, .finish_low_power = wkup_m3_finish_low_power, .request_pm_status = wkup_m3_request_pm_status, + .request_wake_src = wkup_m3_request_wake_src, + .set_rtc_only = wkup_m3_set_rtc_only, }; /** @@ -484,6 +535,30 @@ static int wkup_m3_ipc_remove(struct platform_device *pdev) return 0; } +static int __maybe_unused wkup_m3_ipc_suspend(struct device *dev) +{ + /* + * Nothing needs to be done on suspend even with rtc_only flag set + */ + return 0; +} + +static int __maybe_unused wkup_m3_ipc_resume(struct device *dev) +{ + if (m3_ipc_state->is_rtc_only) { + rproc_shutdown(m3_ipc_state->rproc); + rproc_boot(m3_ipc_state->rproc); + } + + m3_ipc_state->is_rtc_only = false; + + return 0; +} + +static const struct dev_pm_ops wkup_m3_ipc_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(wkup_m3_ipc_suspend, wkup_m3_ipc_resume) +}; + static const struct of_device_id wkup_m3_ipc_of_match[] = { { .compatible = "ti,am3352-wkup-m3-ipc", }, { .compatible = "ti,am4372-wkup-m3-ipc", }, @@ -497,6 +572,7 @@ static struct platform_driver wkup_m3_ipc_driver = { .driver = { .name = "wkup_m3_ipc", .of_match_table = wkup_m3_ipc_of_match, + .pm = &wkup_m3_ipc_pm_ops, }, }; diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 396fb3d56398..1abf76be2aa8 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -90,8 +90,6 @@ source "drivers/staging/clocking-wizard/Kconfig" source "drivers/staging/fbtft/Kconfig" -source "drivers/staging/fsl-mc/Kconfig" - source "drivers/staging/fsl-dpaa2/Kconfig" source "drivers/staging/wilc1000/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index ad7b4ca412ef..ab0cbe8815b1 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -35,7 +35,6 @@ obj-$(CONFIG_GS_FPGABOOT) += gs_fpgaboot/ obj-$(CONFIG_UNISYSSPAR) += unisys/ obj-$(CONFIG_COMMON_CLK_XLNX_CLKWZRD) += clocking-wizard/ obj-$(CONFIG_FB_TFT) += fbtft/ -obj-$(CONFIG_FSL_MC_BUS) += fsl-mc/ obj-$(CONFIG_FSL_DPAA2) += fsl-dpaa2/ obj-$(CONFIG_WILC1000) += wilc1000/ obj-$(CONFIG_MOST) += most/ diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c index e2dac44eccbe..9329fcad95ac 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c @@ -426,7 +426,7 @@ static int build_sg_fd(struct dpaa2_eth_priv *priv, dpaa2_fd_set_format(fd, dpaa2_fd_sg); dpaa2_fd_set_addr(fd, addr); dpaa2_fd_set_len(fd, skb->len); - dpaa2_fd_set_ctrl(fd, DPAA2_FD_CTRL_PTA | DPAA2_FD_CTRL_PTV1); + dpaa2_fd_set_ctrl(fd, FD_CTRL_PTA | FD_CTRL_PTV1); if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) enable_tx_tstamp(fd, sgt_buf); @@ -479,7 +479,7 @@ static int build_single_fd(struct dpaa2_eth_priv *priv, dpaa2_fd_set_offset(fd, (u16)(skb->data - buffer_start)); dpaa2_fd_set_len(fd, skb->len); dpaa2_fd_set_format(fd, dpaa2_fd_single); - dpaa2_fd_set_ctrl(fd, DPAA2_FD_CTRL_PTA | DPAA2_FD_CTRL_PTV1); + dpaa2_fd_set_ctrl(fd, FD_CTRL_PTA | FD_CTRL_PTV1); if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) enable_tx_tstamp(fd, buffer_start); diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h index 506466778b2c..d54cb0b99d08 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h @@ -10,8 +10,8 @@ #include <linux/if_vlan.h> #include <linux/fsl/mc.h> -#include "../../fsl-mc/include/dpaa2-io.h" -#include "../../fsl-mc/include/dpaa2-fd.h" +#include <soc/fsl/dpaa2-io.h> +#include <soc/fsl/dpaa2-fd.h> #include "dpni.h" #include "dpni-cmd.h" @@ -97,21 +97,13 @@ struct dpaa2_eth_swa { #define DPAA2_FD_FRC_FAICFDV 0x0400 /* Error bits in FD CTRL */ -#define DPAA2_FD_CTRL_UFD 0x00000004 -#define DPAA2_FD_CTRL_SBE 0x00000008 -#define DPAA2_FD_CTRL_FSE 0x00000020 -#define DPAA2_FD_CTRL_FAERR 0x00000040 - -#define DPAA2_FD_RX_ERR_MASK (DPAA2_FD_CTRL_SBE | \ - DPAA2_FD_CTRL_FAERR) -#define DPAA2_FD_TX_ERR_MASK (DPAA2_FD_CTRL_UFD | \ - DPAA2_FD_CTRL_SBE | \ - DPAA2_FD_CTRL_FSE | \ - DPAA2_FD_CTRL_FAERR) +#define DPAA2_FD_RX_ERR_MASK (FD_CTRL_SBE | FD_CTRL_FAERR) +#define DPAA2_FD_TX_ERR_MASK (FD_CTRL_UFD | \ + FD_CTRL_SBE | \ + FD_CTRL_FSE | \ + FD_CTRL_FAERR) /* Annotation bits in FD CTRL */ -#define DPAA2_FD_CTRL_PTA 0x00800000 -#define DPAA2_FD_CTRL_PTV1 0x00400000 #define DPAA2_FD_CTRL_ASAL 0x00020000 /* ASAL = 128B */ /* Frame annotation status */ diff --git a/drivers/staging/fsl-mc/Kconfig b/drivers/staging/fsl-mc/Kconfig deleted file mode 100644 index 3002229bec1b..000000000000 --- a/drivers/staging/fsl-mc/Kconfig +++ /dev/null @@ -1,2 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -source "drivers/staging/fsl-mc/bus/Kconfig" diff --git a/drivers/staging/fsl-mc/Makefile b/drivers/staging/fsl-mc/Makefile deleted file mode 100644 index 14683889dabd..000000000000 --- a/drivers/staging/fsl-mc/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# Freescale Management Complex (MC) bus drivers -obj-$(CONFIG_FSL_MC_BUS) += bus/ diff --git a/drivers/staging/fsl-mc/bus/Kconfig b/drivers/staging/fsl-mc/bus/Kconfig deleted file mode 100644 index 342453035269..000000000000 --- a/drivers/staging/fsl-mc/bus/Kconfig +++ /dev/null @@ -1,16 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# DPAA2 fsl-mc bus -# -# Copyright (C) 2014-2016 Freescale Semiconductor, Inc. -# - -config FSL_MC_DPIO - tristate "QorIQ DPAA2 DPIO driver" - depends on FSL_MC_BUS - help - Driver for the DPAA2 DPIO object. A DPIO provides queue and - buffer management facilities for software to interact with - other DPAA2 objects. This driver does not expose the DPIO - objects individually, but groups them under a service layer - API. diff --git a/drivers/staging/fsl-mc/bus/Makefile b/drivers/staging/fsl-mc/bus/Makefile deleted file mode 100644 index 21d8ebc8ce21..000000000000 --- a/drivers/staging/fsl-mc/bus/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# Freescale Management Complex (MC) bus drivers -# -# Copyright (C) 2014 Freescale Semiconductor, Inc. -# - -# MC DPIO driver -obj-$(CONFIG_FSL_MC_DPIO) += dpio/ diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio-driver.txt b/drivers/staging/fsl-mc/bus/dpio/dpio-driver.txt deleted file mode 100644 index 72ba9da3d179..000000000000 --- a/drivers/staging/fsl-mc/bus/dpio/dpio-driver.txt +++ /dev/null @@ -1,135 +0,0 @@ -Copyright 2016 NXP - -Introduction ------------- - -A DPAA2 DPIO (Data Path I/O) is a hardware object that provides -interfaces to enqueue and dequeue frames to/from network interfaces -and other accelerators. A DPIO also provides hardware buffer -pool management for network interfaces. - -This document provides an overview the Linux DPIO driver, its -subcomponents, and its APIs. - -See Documentation/networking/dpaa2/overview.rst for a general overview of DPAA2 -and the general DPAA2 driver architecture in Linux. - -Driver Overview ---------------- - -The DPIO driver is bound to DPIO objects discovered on the fsl-mc bus and -provides services that: - A) allow other drivers, such as the Ethernet driver, to enqueue and dequeue - frames for their respective objects - B) allow drivers to register callbacks for data availability notifications - when data becomes available on a queue or channel - C) allow drivers to manage hardware buffer pools - -The Linux DPIO driver consists of 3 primary components-- - DPIO object driver-- fsl-mc driver that manages the DPIO object - DPIO service-- provides APIs to other Linux drivers for services - QBman portal interface-- sends portal commands, gets responses - - fsl-mc other - bus drivers - | | - +---+----+ +------+-----+ - |DPIO obj| |DPIO service| - | driver |---| (DPIO) | - +--------+ +------+-----+ - | - +------+-----+ - | QBman | - | portal i/f | - +------------+ - | - hardware - -The diagram below shows how the DPIO driver components fit with the other -DPAA2 Linux driver components: - +------------+ - | OS Network | - | Stack | - +------------+ +------------+ - | Allocator |. . . . . . . | Ethernet | - |(DPMCP,DPBP)| | (DPNI) | - +-.----------+ +---+---+----+ - . . ^ | - . . <data avail, | |<enqueue, - . . tx confirm> | | dequeue> - +-------------+ . | | - | DPRC driver | . +--------+ +------------+ - | (DPRC) | . . |DPIO obj| |DPIO service| - +----------+--+ | driver |-| (DPIO) | - | +--------+ +------+-----+ - |<dev add/remove> +------|-----+ - | | QBman | - +----+--------------+ | portal i/f | - | MC-bus driver | +------------+ - | | | - | /soc/fsl-mc | | - +-------------------+ | - | - =========================================|=========|======================== - +-+--DPIO---|-----------+ - | | | - | QBman Portal | - +-----------------------+ - - ============================================================================ - - -DPIO Object Driver (dpio-driver.c) ----------------------------------- - - The dpio-driver component registers with the fsl-mc bus to handle objects of - type "dpio". The implementation of probe() handles basic initialization - of the DPIO including mapping of the DPIO regions (the QBman SW portal) - and initializing interrupts and registering irq handlers. The dpio-driver - registers the probed DPIO with dpio-service. - -DPIO service (dpio-service.c, dpaa2-io.h) ------------------------------------------- - - The dpio service component provides queuing, notification, and buffers - management services to DPAA2 drivers, such as the Ethernet driver. A system - will typically allocate 1 DPIO object per CPU to allow queuing operations - to happen simultaneously across all CPUs. - - Notification handling - dpaa2_io_service_register() - dpaa2_io_service_deregister() - dpaa2_io_service_rearm() - - Queuing - dpaa2_io_service_pull_fq() - dpaa2_io_service_pull_channel() - dpaa2_io_service_enqueue_fq() - dpaa2_io_service_enqueue_qd() - dpaa2_io_store_create() - dpaa2_io_store_destroy() - dpaa2_io_store_next() - - Buffer pool management - dpaa2_io_service_release() - dpaa2_io_service_acquire() - -QBman portal interface (qbman-portal.c) ---------------------------------------- - - The qbman-portal component provides APIs to do the low level hardware - bit twiddling for operations such as: - -initializing Qman software portals - -building and sending portal commands - -portal interrupt configuration and processing - - The qbman-portal APIs are not public to other drivers, and are - only used by dpio-service. - -Other (dpaa2-fd.h, dpaa2-global.h) ----------------------------------- - - Frame descriptor and scatter-gather definitions and the APIs used to - manipulate them are defined in dpaa2-fd.h. - - Dequeue result struct and parsing APIs are defined in dpaa2-global.h. diff --git a/drivers/staging/fsl-mc/include/dpaa2-fd.h b/drivers/staging/fsl-mc/include/dpaa2-fd.h deleted file mode 100644 index b55b89ba4eda..000000000000 --- a/drivers/staging/fsl-mc/include/dpaa2-fd.h +++ /dev/null @@ -1,426 +0,0 @@ -/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ -/* - * Copyright 2014-2016 Freescale Semiconductor Inc. - * Copyright 2016 NXP - * - */ -#ifndef __FSL_DPAA2_FD_H -#define __FSL_DPAA2_FD_H - -#include <linux/kernel.h> - -/** - * DOC: DPAA2 FD - Frame Descriptor APIs for DPAA2 - * - * Frame Descriptors (FDs) are used to describe frame data in the DPAA2. - * Frames can be enqueued and dequeued to Frame Queues (FQs) which are consumed - * by the various DPAA accelerators (WRIOP, SEC, PME, DCE) - * - * There are three types of frames: single, scatter gather, and frame lists. - * - * The set of APIs in this file must be used to create, manipulate and - * query Frame Descriptors. - */ - -/** - * struct dpaa2_fd - Struct describing FDs - * @words: for easier/faster copying the whole FD structure - * @addr: address in the FD - * @len: length in the FD - * @bpid: buffer pool ID - * @format_offset: format, offset, and short-length fields - * @frc: frame context - * @ctrl: control bits...including dd, sc, va, err, etc - * @flc: flow context address - * - * This structure represents the basic Frame Descriptor used in the system. - */ -struct dpaa2_fd { - union { - u32 words[8]; - struct dpaa2_fd_simple { - __le64 addr; - __le32 len; - __le16 bpid; - __le16 format_offset; - __le32 frc; - __le32 ctrl; - __le64 flc; - } simple; - }; -}; - -#define FD_SHORT_LEN_FLAG_MASK 0x1 -#define FD_SHORT_LEN_FLAG_SHIFT 14 -#define FD_SHORT_LEN_MASK 0x3FFFF -#define FD_OFFSET_MASK 0x0FFF -#define FD_FORMAT_MASK 0x3 -#define FD_FORMAT_SHIFT 12 -#define FD_BPID_MASK 0x3FFF -#define SG_SHORT_LEN_FLAG_MASK 0x1 -#define SG_SHORT_LEN_FLAG_SHIFT 14 -#define SG_SHORT_LEN_MASK 0x1FFFF -#define SG_OFFSET_MASK 0x0FFF -#define SG_FORMAT_MASK 0x3 -#define SG_FORMAT_SHIFT 12 -#define SG_BPID_MASK 0x3FFF -#define SG_FINAL_FLAG_MASK 0x1 -#define SG_FINAL_FLAG_SHIFT 15 - -enum dpaa2_fd_format { - dpaa2_fd_single = 0, - dpaa2_fd_list, - dpaa2_fd_sg -}; - -/** - * dpaa2_fd_get_addr() - get the addr field of frame descriptor - * @fd: the given frame descriptor - * - * Return the address in the frame descriptor. - */ -static inline dma_addr_t dpaa2_fd_get_addr(const struct dpaa2_fd *fd) -{ - return (dma_addr_t)le64_to_cpu(fd->simple.addr); -} - -/** - * dpaa2_fd_set_addr() - Set the addr field of frame descriptor - * @fd: the given frame descriptor - * @addr: the address needs to be set in frame descriptor - */ -static inline void dpaa2_fd_set_addr(struct dpaa2_fd *fd, dma_addr_t addr) -{ - fd->simple.addr = cpu_to_le64(addr); -} - -/** - * dpaa2_fd_get_frc() - Get the frame context in the frame descriptor - * @fd: the given frame descriptor - * - * Return the frame context field in the frame descriptor. - */ -static inline u32 dpaa2_fd_get_frc(const struct dpaa2_fd *fd) -{ - return le32_to_cpu(fd->simple.frc); -} - -/** - * dpaa2_fd_set_frc() - Set the frame context in the frame descriptor - * @fd: the given frame descriptor - * @frc: the frame context needs to be set in frame descriptor - */ -static inline void dpaa2_fd_set_frc(struct dpaa2_fd *fd, u32 frc) -{ - fd->simple.frc = cpu_to_le32(frc); -} - -/** - * dpaa2_fd_get_ctrl() - Get the control bits in the frame descriptor - * @fd: the given frame descriptor - * - * Return the control bits field in the frame descriptor. - */ -static inline u32 dpaa2_fd_get_ctrl(const struct dpaa2_fd *fd) -{ - return le32_to_cpu(fd->simple.ctrl); -} - -/** - * dpaa2_fd_set_ctrl() - Set the control bits in the frame descriptor - * @fd: the given frame descriptor - * @ctrl: the control bits to be set in the frame descriptor - */ -static inline void dpaa2_fd_set_ctrl(struct dpaa2_fd *fd, u32 ctrl) -{ - fd->simple.ctrl = cpu_to_le32(ctrl); -} - -/** - * dpaa2_fd_get_flc() - Get the flow context in the frame descriptor - * @fd: the given frame descriptor - * - * Return the flow context in the frame descriptor. - */ -static inline dma_addr_t dpaa2_fd_get_flc(const struct dpaa2_fd *fd) -{ - return (dma_addr_t)le64_to_cpu(fd->simple.flc); -} - -/** - * dpaa2_fd_set_flc() - Set the flow context field of frame descriptor - * @fd: the given frame descriptor - * @flc_addr: the flow context needs to be set in frame descriptor - */ -static inline void dpaa2_fd_set_flc(struct dpaa2_fd *fd, dma_addr_t flc_addr) -{ - fd->simple.flc = cpu_to_le64(flc_addr); -} - -static inline bool dpaa2_fd_short_len(const struct dpaa2_fd *fd) -{ - return !!((le16_to_cpu(fd->simple.format_offset) >> - FD_SHORT_LEN_FLAG_SHIFT) & FD_SHORT_LEN_FLAG_MASK); -} - -/** - * dpaa2_fd_get_len() - Get the length in the frame descriptor - * @fd: the given frame descriptor - * - * Return the length field in the frame descriptor. - */ -static inline u32 dpaa2_fd_get_len(const struct dpaa2_fd *fd) -{ - if (dpaa2_fd_short_len(fd)) - return le32_to_cpu(fd->simple.len) & FD_SHORT_LEN_MASK; - - return le32_to_cpu(fd->simple.len); -} - -/** - * dpaa2_fd_set_len() - Set the length field of frame descriptor - * @fd: the given frame descriptor - * @len: the length needs to be set in frame descriptor - */ -static inline void dpaa2_fd_set_len(struct dpaa2_fd *fd, u32 len) -{ - fd->simple.len = cpu_to_le32(len); -} - -/** - * dpaa2_fd_get_offset() - Get the offset field in the frame descriptor - * @fd: the given frame descriptor - * - * Return the offset. - */ -static inline uint16_t dpaa2_fd_get_offset(const struct dpaa2_fd *fd) -{ - return le16_to_cpu(fd->simple.format_offset) & FD_OFFSET_MASK; -} - -/** - * dpaa2_fd_set_offset() - Set the offset field of frame descriptor - * @fd: the given frame descriptor - * @offset: the offset needs to be set in frame descriptor - */ -static inline void dpaa2_fd_set_offset(struct dpaa2_fd *fd, uint16_t offset) -{ - fd->simple.format_offset &= cpu_to_le16(~FD_OFFSET_MASK); - fd->simple.format_offset |= cpu_to_le16(offset); -} - -/** - * dpaa2_fd_get_format() - Get the format field in the frame descriptor - * @fd: the given frame descriptor - * - * Return the format. - */ -static inline enum dpaa2_fd_format dpaa2_fd_get_format( - const struct dpaa2_fd *fd) -{ - return (enum dpaa2_fd_format)((le16_to_cpu(fd->simple.format_offset) - >> FD_FORMAT_SHIFT) & FD_FORMAT_MASK); -} - -/** - * dpaa2_fd_set_format() - Set the format field of frame descriptor - * @fd: the given frame descriptor - * @format: the format needs to be set in frame descriptor - */ -static inline void dpaa2_fd_set_format(struct dpaa2_fd *fd, - enum dpaa2_fd_format format) -{ - fd->simple.format_offset &= - cpu_to_le16(~(FD_FORMAT_MASK << FD_FORMAT_SHIFT)); - fd->simple.format_offset |= cpu_to_le16(format << FD_FORMAT_SHIFT); -} - -/** - * dpaa2_fd_get_bpid() - Get the bpid field in the frame descriptor - * @fd: the given frame descriptor - * - * Return the buffer pool id. - */ -static inline uint16_t dpaa2_fd_get_bpid(const struct dpaa2_fd *fd) -{ - return le16_to_cpu(fd->simple.bpid) & FD_BPID_MASK; -} - -/** - * dpaa2_fd_set_bpid() - Set the bpid field of frame descriptor - * @fd: the given frame descriptor - * @bpid: buffer pool id to be set - */ -static inline void dpaa2_fd_set_bpid(struct dpaa2_fd *fd, uint16_t bpid) -{ - fd->simple.bpid &= cpu_to_le16(~(FD_BPID_MASK)); - fd->simple.bpid |= cpu_to_le16(bpid); -} - -/** - * struct dpaa2_sg_entry - the scatter-gathering structure - * @addr: address of the sg entry - * @len: length in this sg entry - * @bpid: buffer pool id - * @format_offset: format and offset fields - */ -struct dpaa2_sg_entry { - __le64 addr; - __le32 len; - __le16 bpid; - __le16 format_offset; -}; - -enum dpaa2_sg_format { - dpaa2_sg_single = 0, - dpaa2_sg_frame_data, - dpaa2_sg_sgt_ext -}; - -/* Accessors for SG entry fields */ - -/** - * dpaa2_sg_get_addr() - Get the address from SG entry - * @sg: the given scatter-gathering object - * - * Return the address. - */ -static inline dma_addr_t dpaa2_sg_get_addr(const struct dpaa2_sg_entry *sg) -{ - return (dma_addr_t)le64_to_cpu(sg->addr); -} - -/** - * dpaa2_sg_set_addr() - Set the address in SG entry - * @sg: the given scatter-gathering object - * @addr: the address to be set - */ -static inline void dpaa2_sg_set_addr(struct dpaa2_sg_entry *sg, dma_addr_t addr) -{ - sg->addr = cpu_to_le64(addr); -} - -static inline bool dpaa2_sg_short_len(const struct dpaa2_sg_entry *sg) -{ - return !!((le16_to_cpu(sg->format_offset) >> SG_SHORT_LEN_FLAG_SHIFT) - & SG_SHORT_LEN_FLAG_MASK); -} - -/** - * dpaa2_sg_get_len() - Get the length in SG entry - * @sg: the given scatter-gathering object - * - * Return the length. - */ -static inline u32 dpaa2_sg_get_len(const struct dpaa2_sg_entry *sg) -{ - if (dpaa2_sg_short_len(sg)) - return le32_to_cpu(sg->len) & SG_SHORT_LEN_MASK; - - return le32_to_cpu(sg->len); -} - -/** - * dpaa2_sg_set_len() - Set the length in SG entry - * @sg: the given scatter-gathering object - * @len: the length to be set - */ -static inline void dpaa2_sg_set_len(struct dpaa2_sg_entry *sg, u32 len) -{ - sg->len = cpu_to_le32(len); -} - -/** - * dpaa2_sg_get_offset() - Get the offset in SG entry - * @sg: the given scatter-gathering object - * - * Return the offset. - */ -static inline u16 dpaa2_sg_get_offset(const struct dpaa2_sg_entry *sg) -{ - return le16_to_cpu(sg->format_offset) & SG_OFFSET_MASK; -} - -/** - * dpaa2_sg_set_offset() - Set the offset in SG entry - * @sg: the given scatter-gathering object - * @offset: the offset to be set - */ -static inline void dpaa2_sg_set_offset(struct dpaa2_sg_entry *sg, - u16 offset) -{ - sg->format_offset &= cpu_to_le16(~SG_OFFSET_MASK); - sg->format_offset |= cpu_to_le16(offset); -} - -/** - * dpaa2_sg_get_format() - Get the SG format in SG entry - * @sg: the given scatter-gathering object - * - * Return the format. - */ -static inline enum dpaa2_sg_format - dpaa2_sg_get_format(const struct dpaa2_sg_entry *sg) -{ - return (enum dpaa2_sg_format)((le16_to_cpu(sg->format_offset) - >> SG_FORMAT_SHIFT) & SG_FORMAT_MASK); -} - -/** - * dpaa2_sg_set_format() - Set the SG format in SG entry - * @sg: the given scatter-gathering object - * @format: the format to be set - */ -static inline void dpaa2_sg_set_format(struct dpaa2_sg_entry *sg, - enum dpaa2_sg_format format) -{ - sg->format_offset &= cpu_to_le16(~(SG_FORMAT_MASK << SG_FORMAT_SHIFT)); - sg->format_offset |= cpu_to_le16(format << SG_FORMAT_SHIFT); -} - -/** - * dpaa2_sg_get_bpid() - Get the buffer pool id in SG entry - * @sg: the given scatter-gathering object - * - * Return the bpid. - */ -static inline u16 dpaa2_sg_get_bpid(const struct dpaa2_sg_entry *sg) -{ - return le16_to_cpu(sg->bpid) & SG_BPID_MASK; -} - -/** - * dpaa2_sg_set_bpid() - Set the buffer pool id in SG entry - * @sg: the given scatter-gathering object - * @bpid: the bpid to be set - */ -static inline void dpaa2_sg_set_bpid(struct dpaa2_sg_entry *sg, u16 bpid) -{ - sg->bpid &= cpu_to_le16(~(SG_BPID_MASK)); - sg->bpid |= cpu_to_le16(bpid); -} - -/** - * dpaa2_sg_is_final() - Check final bit in SG entry - * @sg: the given scatter-gathering object - * - * Return bool. - */ -static inline bool dpaa2_sg_is_final(const struct dpaa2_sg_entry *sg) -{ - return !!(le16_to_cpu(sg->format_offset) >> SG_FINAL_FLAG_SHIFT); -} - -/** - * dpaa2_sg_set_final() - Set the final bit in SG entry - * @sg: the given scatter-gathering object - * @final: the final boolean to be set - */ -static inline void dpaa2_sg_set_final(struct dpaa2_sg_entry *sg, bool final) -{ - sg->format_offset &= cpu_to_le16((~(SG_FINAL_FLAG_MASK - << SG_FINAL_FLAG_SHIFT)) & 0xFFFF); - sg->format_offset |= cpu_to_le16(final << SG_FINAL_FLAG_SHIFT); -} - -#endif /* __FSL_DPAA2_FD_H */ diff --git a/drivers/staging/fsl-mc/include/dpaa2-global.h b/drivers/staging/fsl-mc/include/dpaa2-global.h deleted file mode 100644 index 9bc0713346a8..000000000000 --- a/drivers/staging/fsl-mc/include/dpaa2-global.h +++ /dev/null @@ -1,177 +0,0 @@ -/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ -/* - * Copyright 2014-2016 Freescale Semiconductor Inc. - * Copyright 2016 NXP - * - */ -#ifndef __FSL_DPAA2_GLOBAL_H -#define __FSL_DPAA2_GLOBAL_H - -#include <linux/types.h> -#include <linux/cpumask.h> -#include "dpaa2-fd.h" - -struct dpaa2_dq { - union { - struct common { - u8 verb; - u8 reserved[63]; - } common; - struct dq { - u8 verb; - u8 stat; - __le16 seqnum; - __le16 oprid; - u8 reserved; - u8 tok; - __le32 fqid; - u32 reserved2; - __le32 fq_byte_cnt; - __le32 fq_frm_cnt; - __le64 fqd_ctx; - u8 fd[32]; - } dq; - struct scn { - u8 verb; - u8 stat; - u8 state; - u8 reserved; - __le32 rid_tok; - __le64 ctx; - } scn; - }; -}; - -/* Parsing frame dequeue results */ -/* FQ empty */ -#define DPAA2_DQ_STAT_FQEMPTY 0x80 -/* FQ held active */ -#define DPAA2_DQ_STAT_HELDACTIVE 0x40 -/* FQ force eligible */ -#define DPAA2_DQ_STAT_FORCEELIGIBLE 0x20 -/* valid frame */ -#define DPAA2_DQ_STAT_VALIDFRAME 0x10 -/* FQ ODP enable */ -#define DPAA2_DQ_STAT_ODPVALID 0x04 -/* volatile dequeue */ -#define DPAA2_DQ_STAT_VOLATILE 0x02 -/* volatile dequeue command is expired */ -#define DPAA2_DQ_STAT_EXPIRED 0x01 - -#define DQ_FQID_MASK 0x00FFFFFF -#define DQ_FRAME_COUNT_MASK 0x00FFFFFF - -/** - * dpaa2_dq_flags() - Get the stat field of dequeue response - * @dq: the dequeue result. - */ -static inline u32 dpaa2_dq_flags(const struct dpaa2_dq *dq) -{ - return dq->dq.stat; -} - -/** - * dpaa2_dq_is_pull() - Check whether the dq response is from a pull - * command. - * @dq: the dequeue result - * - * Return 1 for volatile(pull) dequeue, 0 for static dequeue. - */ -static inline int dpaa2_dq_is_pull(const struct dpaa2_dq *dq) -{ - return (int)(dpaa2_dq_flags(dq) & DPAA2_DQ_STAT_VOLATILE); -} - -/** - * dpaa2_dq_is_pull_complete() - Check whether the pull command is completed. - * @dq: the dequeue result - * - * Return boolean. - */ -static inline bool dpaa2_dq_is_pull_complete(const struct dpaa2_dq *dq) -{ - return !!(dpaa2_dq_flags(dq) & DPAA2_DQ_STAT_EXPIRED); -} - -/** - * dpaa2_dq_seqnum() - Get the seqnum field in dequeue response - * @dq: the dequeue result - * - * seqnum is valid only if VALIDFRAME flag is TRUE - * - * Return seqnum. - */ -static inline u16 dpaa2_dq_seqnum(const struct dpaa2_dq *dq) -{ - return le16_to_cpu(dq->dq.seqnum); -} - -/** - * dpaa2_dq_odpid() - Get the odpid field in dequeue response - * @dq: the dequeue result - * - * odpid is valid only if ODPVALID flag is TRUE. - * - * Return odpid. - */ -static inline u16 dpaa2_dq_odpid(const struct dpaa2_dq *dq) -{ - return le16_to_cpu(dq->dq.oprid); -} - -/** - * dpaa2_dq_fqid() - Get the fqid in dequeue response - * @dq: the dequeue result - * - * Return fqid. - */ -static inline u32 dpaa2_dq_fqid(const struct dpaa2_dq *dq) -{ - return le32_to_cpu(dq->dq.fqid) & DQ_FQID_MASK; -} - -/** - * dpaa2_dq_byte_count() - Get the byte count in dequeue response - * @dq: the dequeue result - * - * Return the byte count remaining in the FQ. - */ -static inline u32 dpaa2_dq_byte_count(const struct dpaa2_dq *dq) -{ - return le32_to_cpu(dq->dq.fq_byte_cnt); -} - -/** - * dpaa2_dq_frame_count() - Get the frame count in dequeue response - * @dq: the dequeue result - * - * Return the frame count remaining in the FQ. - */ -static inline u32 dpaa2_dq_frame_count(const struct dpaa2_dq *dq) -{ - return le32_to_cpu(dq->dq.fq_frm_cnt) & DQ_FRAME_COUNT_MASK; -} - -/** - * dpaa2_dq_fd_ctx() - Get the frame queue context in dequeue response - * @dq: the dequeue result - * - * Return the frame queue context. - */ -static inline u64 dpaa2_dq_fqd_ctx(const struct dpaa2_dq *dq) -{ - return le64_to_cpu(dq->dq.fqd_ctx); -} - -/** - * dpaa2_dq_fd() - Get the frame descriptor in dequeue response - * @dq: the dequeue result - * - * Return the frame descriptor. - */ -static inline const struct dpaa2_fd *dpaa2_dq_fd(const struct dpaa2_dq *dq) -{ - return (const struct dpaa2_fd *)&dq->dq.fd[0]; -} - -#endif /* __FSL_DPAA2_GLOBAL_H */ diff --git a/drivers/staging/fsl-mc/include/dpaa2-io.h b/drivers/staging/fsl-mc/include/dpaa2-io.h deleted file mode 100644 index ab51e40d11db..000000000000 --- a/drivers/staging/fsl-mc/include/dpaa2-io.h +++ /dev/null @@ -1,115 +0,0 @@ -/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ -/* - * Copyright 2014-2016 Freescale Semiconductor Inc. - * Copyright NXP - * - */ -#ifndef __FSL_DPAA2_IO_H -#define __FSL_DPAA2_IO_H - -#include <linux/types.h> -#include <linux/cpumask.h> -#include <linux/irqreturn.h> - -#include "dpaa2-fd.h" -#include "dpaa2-global.h" - -struct dpaa2_io; -struct dpaa2_io_store; -struct device; - -/** - * DOC: DPIO Service - * - * The DPIO service provides APIs for users to interact with the datapath - * by enqueueing and dequeing frame descriptors. - * - * The following set of APIs can be used to enqueue and dequeue frames - * as well as producing notification callbacks when data is available - * for dequeue. - */ - -#define DPAA2_IO_ANY_CPU -1 - -/** - * struct dpaa2_io_desc - The DPIO descriptor - * @receives_notifications: Use notificaton mode. Non-zero if the DPIO - * has a channel. - * @has_8prio: Set to non-zero for channel with 8 priority WQs. Ignored - * unless receives_notification is TRUE. - * @cpu: The cpu index that at least interrupt handlers will - * execute on. - * @stash_affinity: The stash affinity for this portal favour 'cpu' - * @regs_cena: The cache enabled regs. - * @regs_cinh: The cache inhibited regs - * @dpio_id: The dpio index - * @qman_version: The qman version - * - * Describes the attributes and features of the DPIO object. - */ -struct dpaa2_io_desc { - int receives_notifications; - int has_8prio; - int cpu; - void *regs_cena; - void __iomem *regs_cinh; - int dpio_id; - u32 qman_version; -}; - -struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc); - -void dpaa2_io_down(struct dpaa2_io *d); - -irqreturn_t dpaa2_io_irq(struct dpaa2_io *obj); - -struct dpaa2_io *dpaa2_io_service_select(int cpu); - -/** - * struct dpaa2_io_notification_ctx - The DPIO notification context structure - * @cb: The callback to be invoked when the notification arrives - * @is_cdan: Zero for FQDAN, non-zero for CDAN - * @id: FQID or channel ID, needed for rearm - * @desired_cpu: The cpu on which the notifications will show up. Use - * DPAA2_IO_ANY_CPU if don't care - * @dpio_id: The dpio index - * @qman64: The 64-bit context value shows up in the FQDAN/CDAN. - * @node: The list node - * @dpio_private: The dpio object internal to dpio_service - * - * Used when a FQDAN/CDAN registration is made by drivers. - */ -struct dpaa2_io_notification_ctx { - void (*cb)(struct dpaa2_io_notification_ctx *ctx); - int is_cdan; - u32 id; - int desired_cpu; - int dpio_id; - u64 qman64; - struct list_head node; - void *dpio_private; -}; - -int dpaa2_io_service_register(struct dpaa2_io *service, - struct dpaa2_io_notification_ctx *ctx); -void dpaa2_io_service_deregister(struct dpaa2_io *service, - struct dpaa2_io_notification_ctx *ctx); -int dpaa2_io_service_rearm(struct dpaa2_io *service, - struct dpaa2_io_notification_ctx *ctx); - -int dpaa2_io_service_pull_channel(struct dpaa2_io *d, u32 channelid, - struct dpaa2_io_store *s); - -int dpaa2_io_service_enqueue_qd(struct dpaa2_io *d, u32 qdid, u8 prio, - u16 qdbin, const struct dpaa2_fd *fd); -int dpaa2_io_service_release(struct dpaa2_io *d, u32 bpid, - const u64 *buffers, unsigned int num_buffers); -int dpaa2_io_service_acquire(struct dpaa2_io *d, u32 bpid, - u64 *buffers, unsigned int num_buffers); - -struct dpaa2_io_store *dpaa2_io_store_create(unsigned int max_frames, - struct device *dev); -void dpaa2_io_store_destroy(struct dpaa2_io_store *s); -struct dpaa2_dq *dpaa2_io_store_next(struct dpaa2_io_store *s, int *is_last); - -#endif /* __FSL_DPAA2_IO_H */ diff --git a/drivers/tee/optee/Kconfig b/drivers/tee/optee/Kconfig index 0126de898036..3c59e19029be 100644 --- a/drivers/tee/optee/Kconfig +++ b/drivers/tee/optee/Kconfig @@ -5,3 +5,11 @@ config OPTEE help This implements the OP-TEE Trusted Execution Environment (TEE) driver. + +config OPTEE_SHM_NUM_PRIV_PAGES + int "Private Shared Memory Pages" + default 1 + depends on OPTEE + help + This sets the number of private shared memory pages to be + used by OP-TEE TEE driver. diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index e5fd5ed217da..e1aafe842d66 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -32,7 +32,7 @@ #define DRIVER_NAME "optee" -#define OPTEE_SHM_NUM_PRIV_PAGES 1 +#define OPTEE_SHM_NUM_PRIV_PAGES CONFIG_OPTEE_SHM_NUM_PRIV_PAGES /** * optee_from_msg_param() - convert from OPTEE_MSG parameters to diff --git a/drivers/tee/optee/rpc.c b/drivers/tee/optee/rpc.c index 41aea12e2bcc..b45c73dd37a5 100644 --- a/drivers/tee/optee/rpc.c +++ b/drivers/tee/optee/rpc.c @@ -48,7 +48,7 @@ static void handle_rpc_func_cmd_get_time(struct optee_msg_arg *arg) OPTEE_MSG_ATTR_TYPE_VALUE_OUTPUT) goto bad; - getnstimeofday64(&ts); + ktime_get_real_ts64(&ts); arg->params[0].u.value.a = ts.tv_sec; arg->params[0].u.value.b = ts.tv_nsec; diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index d9145a8f35d2..8e3bab1e0c1f 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -161,16 +161,10 @@ static int exynos_ehci_probe(struct platform_device *pdev) } exynos_ehci = to_exynos_ehci(hcd); - if (of_device_is_compatible(pdev->dev.of_node, - "samsung,exynos5440-ehci")) - goto skip_phy; - err = exynos_ehci_get_phy(&pdev->dev, exynos_ehci); if (err) goto fail_clk; -skip_phy: - exynos_ehci->clk = devm_clk_get(&pdev->dev, "usbhost"); if (IS_ERR(exynos_ehci->clk)) { @@ -304,7 +298,6 @@ static const struct dev_pm_ops exynos_ehci_pm_ops = { #ifdef CONFIG_OF static const struct of_device_id exynos_ehci_match[] = { { .compatible = "samsung,exynos4210-ehci" }, - { .compatible = "samsung,exynos5440-ehci" }, {}, }; MODULE_DEVICE_TABLE(of, exynos_ehci_match); diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index a39fae41bc70..c0c4dcca6f3c 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -130,15 +130,10 @@ static int exynos_ohci_probe(struct platform_device *pdev) exynos_ohci = to_exynos_ohci(hcd); - if (of_device_is_compatible(pdev->dev.of_node, - "samsung,exynos5440-ohci")) - goto skip_phy; - err = exynos_ohci_get_phy(&pdev->dev, exynos_ohci); if (err) goto fail_clk; -skip_phy: exynos_ohci->clk = devm_clk_get(&pdev->dev, "usbhost"); if (IS_ERR(exynos_ohci->clk)) { @@ -270,7 +265,6 @@ static const struct dev_pm_ops exynos_ohci_pm_ops = { #ifdef CONFIG_OF static const struct of_device_id exynos_ohci_match[] = { { .compatible = "samsung,exynos4210-ohci" }, - { .compatible = "samsung,exynos5440-ohci" }, {}, }; MODULE_DEVICE_TABLE(of, exynos_ohci_match); |