diff --git a/drivers/memory/tegra/Makefile b/drivers/memory/tegra/Makefile index 6c1a2ecc6628..1af0fefacdda 100644 --- a/drivers/memory/tegra/Makefile +++ b/drivers/memory/tegra/Makefile @@ -7,6 +7,8 @@ tegra-mc-$(CONFIG_ARCH_TEGRA_114_SOC) += tegra114.o tegra-mc-$(CONFIG_ARCH_TEGRA_124_SOC) += tegra124.o tegra-mc-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra124.o tegra-mc-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210.o +tegra-mc-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186.o +tegra-mc-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra186.o obj-$(CONFIG_TEGRA_MC) += tegra-mc.o @@ -15,7 +17,7 @@ obj-$(CONFIG_TEGRA30_EMC) += tegra30-emc.o obj-$(CONFIG_TEGRA124_EMC) += tegra124-emc.o obj-$(CONFIG_TEGRA210_EMC_TABLE) += tegra210-emc-table.o obj-$(CONFIG_TEGRA210_EMC) += tegra210-emc.o -obj-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186.o tegra186-emc.o -obj-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra186.o tegra186-emc.o +obj-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186-emc.o +obj-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra186-emc.o tegra210-emc-y := tegra210-emc-core.o tegra210-emc-cc-r21021.o diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c index 4aa17bdd6392..11b83de9361c 100644 --- a/drivers/memory/tegra/mc.c +++ b/drivers/memory/tegra/mc.c @@ -39,7 +39,13 @@ static const struct of_device_id tegra_mc_of_match[] = { #ifdef CONFIG_ARCH_TEGRA_210_SOC { .compatible = "nvidia,tegra210-mc", .data = &tegra210_mc_soc }, #endif - { } +#ifdef CONFIG_ARCH_TEGRA_186_SOC + { .compatible = "nvidia,tegra186-mc", .data = &tegra186_mc_soc }, +#endif +#ifdef CONFIG_ARCH_TEGRA_194_SOC + { .compatible = "nvidia,tegra194-mc", .data = &tegra194_mc_soc }, +#endif + { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, tegra_mc_of_match); diff --git a/drivers/memory/tegra/mc.h b/drivers/memory/tegra/mc.h index 83c605e42e9a..24f95e06d18a 100644 --- a/drivers/memory/tegra/mc.h +++ b/drivers/memory/tegra/mc.h @@ -129,6 +129,14 @@ extern const struct tegra_mc_soc tegra132_mc_soc; extern const struct tegra_mc_soc tegra210_mc_soc; #endif +#ifdef CONFIG_ARCH_TEGRA_186_SOC +extern const struct tegra_mc_soc tegra186_mc_soc; +#endif + +#ifdef CONFIG_ARCH_TEGRA_194_SOC +extern const struct tegra_mc_soc tegra194_mc_soc; +#endif + #if defined(CONFIG_ARCH_TEGRA_3x_SOC) || \ defined(CONFIG_ARCH_TEGRA_114_SOC) || \ defined(CONFIG_ARCH_TEGRA_124_SOC) || \ diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c index 9d3fdb609d55..20efbbea587b 100644 --- a/drivers/memory/tegra/tegra186.c +++ b/drivers/memory/tegra/tegra186.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (C) 2017 NVIDIA CORPORATION. All rights reserved. + * Copyright (C) 2017-2021 NVIDIA CORPORATION. All rights reserved. */ #include @@ -45,6 +45,24 @@ static void tegra186_mc_program_sid(struct tegra_mc *mc) } } +static int tegra186_mc_probe(struct tegra_mc *mc) +{ + int err; + + err = of_platform_populate(mc->dev->of_node, NULL, NULL, mc->dev); + if (err < 0) + return err; + + tegra186_mc_program_sid(mc); + + return 0; +} + +static void tegra186_mc_remove(struct tegra_mc *mc) +{ + of_platform_depopulate(mc->dev); +} + static int tegra186_mc_resume(struct tegra_mc *mc) { tegra186_mc_program_sid(mc); @@ -53,6 +71,8 @@ static int tegra186_mc_resume(struct tegra_mc *mc) } static const struct tegra_mc_ops tegra186_mc_ops = { + .probe = tegra186_mc_probe, + .remove = tegra186_mc_remove, .resume = tegra186_mc_resume, }; @@ -709,9 +729,10 @@ static const struct tegra_mc_client tegra186_mc_clients[] = { }, }; -static const struct tegra_mc_soc tegra186_mc_soc = { +const struct tegra_mc_soc tegra186_mc_soc = { .num_clients = ARRAY_SIZE(tegra186_mc_clients), .clients = tegra186_mc_clients, + .num_address_bits = 40, .ops = &tegra186_mc_ops, }; #endif @@ -1918,98 +1939,10 @@ static const struct tegra_mc_client tegra194_mc_clients[] = { }, }; -static const struct tegra_mc_soc tegra194_mc_soc = { +const struct tegra_mc_soc tegra194_mc_soc = { .num_clients = ARRAY_SIZE(tegra194_mc_clients), .clients = tegra194_mc_clients, + .num_address_bits = 40, .ops = &tegra186_mc_ops, }; #endif - -static int tegra186_mc_probe(struct platform_device *pdev) -{ - struct resource *res; - struct tegra_mc *mc; - int err; - - mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL); - if (!mc) - return -ENOMEM; - - mc->soc = of_device_get_match_data(&pdev->dev); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mc->regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mc->regs)) - return PTR_ERR(mc->regs); - - mc->dev = &pdev->dev; - - err = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev); - if (err < 0) - return err; - - platform_set_drvdata(pdev, mc); - tegra186_mc_program_sid(mc); - - return 0; -} - -static int tegra186_mc_remove(struct platform_device *pdev) -{ - struct tegra_mc *mc = platform_get_drvdata(pdev); - - of_platform_depopulate(mc->dev); - - return 0; -} - -static const struct of_device_id tegra186_mc_of_match[] = { -#if defined(CONFIG_ARCH_TEGRA_186_SOC) - { .compatible = "nvidia,tegra186-mc", .data = &tegra186_mc_soc }, -#endif -#if defined(CONFIG_ARCH_TEGRA_194_SOC) - { .compatible = "nvidia,tegra194-mc", .data = &tegra194_mc_soc }, -#endif - { /* sentinel */ } -}; -MODULE_DEVICE_TABLE(of, tegra186_mc_of_match); - -static int __maybe_unused tegra_mc_suspend(struct device *dev) -{ - struct tegra_mc *mc = dev_get_drvdata(dev); - - if (mc->soc->ops && mc->soc->ops->suspend) - return mc->soc->ops->suspend(mc); - - return 0; -} - -static int __maybe_unused tegra_mc_resume(struct device *dev) -{ - struct tegra_mc *mc = dev_get_drvdata(dev); - - if (mc->soc->ops && mc->soc->ops->resume) - return mc->soc->ops->resume(mc); - - return 0; -} - -static const struct dev_pm_ops tegra186_mc_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(tegra_mc_suspend, tegra_mc_resume) -}; - -static struct platform_driver tegra186_mc_driver = { - .driver = { - .name = "tegra186-mc", - .of_match_table = tegra186_mc_of_match, - .pm = &tegra186_mc_pm_ops, - .suppress_bind_attrs = true, - }, - .probe = tegra186_mc_probe, - .remove = tegra186_mc_remove, -}; -module_platform_driver(tegra186_mc_driver); - -MODULE_AUTHOR("Thierry Reding "); -MODULE_DESCRIPTION("NVIDIA Tegra186 Memory Controller driver"); -MODULE_LICENSE("GPL v2"); diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h index 87668ebab2a1..1bd5aed81868 100644 --- a/include/soc/tegra/mc.h +++ b/include/soc/tegra/mc.h @@ -176,6 +176,7 @@ struct tegra_mc_ops { * after basic, common set up that is done by the SoC-agnostic bits. */ int (*probe)(struct tegra_mc *mc); + void (*remove)(struct tegra_mc *mc); int (*suspend)(struct tegra_mc *mc); int (*resume)(struct tegra_mc *mc); irqreturn_t (*handle_irq)(int irq, void *data);