From cc60fad010d2970625987b2efa06c210eed0c380 Mon Sep 17 00:00:00 2001 From: Zoltan Herpai Date: Sun, 21 Sep 2014 15:42:36 +0000 Subject: sunxi: remove 3.13 support Signed-off-by: Zoltan HERPAI SVN-Revision: 42628 --- .../patches-3.13/105-reset-add-reset-ctrler.patch | 206 --------------------- 1 file changed, 206 deletions(-) delete mode 100644 target/linux/sunxi/patches-3.13/105-reset-add-reset-ctrler.patch (limited to 'target/linux/sunxi/patches-3.13/105-reset-add-reset-ctrler.patch') diff --git a/target/linux/sunxi/patches-3.13/105-reset-add-reset-ctrler.patch b/target/linux/sunxi/patches-3.13/105-reset-add-reset-ctrler.patch deleted file mode 100644 index b997203..0000000 --- a/target/linux/sunxi/patches-3.13/105-reset-add-reset-ctrler.patch +++ /dev/null @@ -1,206 +0,0 @@ -From 8015cea648c452bbfe0fc820dcb1185beaeb8736 Mon Sep 17 00:00:00 2001 -From: Maxime Ripard -Date: Tue, 24 Sep 2013 11:07:43 +0300 -Subject: [PATCH] reset: Add Allwinner SoCs Reset Controller Driver - -The Allwinner A31 and most of the other Allwinner SoCs have an IP -maintaining a few other IPs in the SoC in reset by default. Among these -IPs are the A31's High Speed Timers, hence why we can't use the regular -driver construct in every cases, and need to call the registering -function directly during machine initialisation. - -Apart from this, the implementation is fairly straightforward, and could -easily be moved to a generic MMIO-based reset controller driver if the -need ever arise. - -Signed-off-by: Maxime Ripard -Acked-by: Philipp Zabel ---- - drivers/reset/Makefile | 1 + - drivers/reset/reset-sunxi.c | 175 ++++++++++++++++++++++++++++++++++++++++++++ - 2 files changed, 176 insertions(+) - create mode 100644 drivers/reset/reset-sunxi.c - ---- a/drivers/reset/Makefile -+++ b/drivers/reset/Makefile -@@ -1 +1,2 @@ - obj-$(CONFIG_RESET_CONTROLLER) += core.o -+obj-$(CONFIG_ARCH_SUNXI) += reset-sunxi.o ---- /dev/null -+++ b/drivers/reset/reset-sunxi.c -@@ -0,0 +1,175 @@ -+/* -+ * Allwinner SoCs Reset Controller driver -+ * -+ * Copyright 2013 Maxime Ripard -+ * -+ * Maxime Ripard -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+struct sunxi_reset_data { -+ spinlock_t lock; -+ void __iomem *membase; -+ struct reset_controller_dev rcdev; -+}; -+ -+static int sunxi_reset_assert(struct reset_controller_dev *rcdev, -+ unsigned long id) -+{ -+ struct sunxi_reset_data *data = container_of(rcdev, -+ struct sunxi_reset_data, -+ rcdev); -+ int bank = id / BITS_PER_LONG; -+ int offset = id % BITS_PER_LONG; -+ unsigned long flags; -+ u32 reg; -+ -+ spin_lock_irqsave(&data->lock, flags); -+ -+ reg = readl(data->membase + (bank * 4)); -+ writel(reg & ~BIT(offset), data->membase + (bank * 4)); -+ -+ spin_unlock_irqrestore(&data->lock, flags); -+ -+ return 0; -+} -+ -+static int sunxi_reset_deassert(struct reset_controller_dev *rcdev, -+ unsigned long id) -+{ -+ struct sunxi_reset_data *data = container_of(rcdev, -+ struct sunxi_reset_data, -+ rcdev); -+ int bank = id / BITS_PER_LONG; -+ int offset = id % BITS_PER_LONG; -+ unsigned long flags; -+ u32 reg; -+ -+ spin_lock_irqsave(&data->lock, flags); -+ -+ reg = readl(data->membase + (bank * 4)); -+ writel(reg | BIT(offset), data->membase + (bank * 4)); -+ -+ spin_unlock_irqrestore(&data->lock, flags); -+ -+ return 0; -+} -+ -+static struct reset_control_ops sunxi_reset_ops = { -+ .assert = sunxi_reset_assert, -+ .deassert = sunxi_reset_deassert, -+}; -+ -+static int sunxi_reset_init(struct device_node *np) -+{ -+ struct sunxi_reset_data *data; -+ struct resource res; -+ resource_size_t size; -+ int ret; -+ -+ data = kzalloc(sizeof(*data), GFP_KERNEL); -+ if (!data) -+ return -ENOMEM; -+ -+ ret = of_address_to_resource(np, 0, &res); -+ if (ret) -+ goto err_alloc; -+ -+ size = resource_size(&res); -+ if (!request_mem_region(res.start, size, np->name)) { -+ ret = -EBUSY; -+ goto err_alloc; -+ } -+ -+ data->membase = ioremap(res.start, size); -+ if (!data->membase) { -+ ret = -ENOMEM; -+ goto err_alloc; -+ } -+ -+ data->rcdev.owner = THIS_MODULE; -+ data->rcdev.nr_resets = size * 32; -+ data->rcdev.ops = &sunxi_reset_ops; -+ data->rcdev.of_node = np; -+ reset_controller_register(&data->rcdev); -+ -+ return 0; -+ -+err_alloc: -+ kfree(data); -+ return ret; -+}; -+ -+/* -+ * These are the reset controller we need to initialize early on in -+ * our system, before we can even think of using a regular device -+ * driver for it. -+ */ -+static const struct of_device_id sunxi_early_reset_dt_ids[] __initdata = { -+ { .compatible = "allwinner,sun6i-a31-ahb1-reset", }, -+ { /* sentinel */ }, -+}; -+ -+void __init sun6i_reset_init(void) -+{ -+ struct device_node *np; -+ -+ for_each_matching_node(np, sunxi_early_reset_dt_ids) -+ sunxi_reset_init(np); -+} -+ -+/* -+ * And these are the controllers we can register through the regular -+ * device model. -+ */ -+static const struct of_device_id sunxi_reset_dt_ids[] = { -+ { .compatible = "allwinner,sun6i-a31-clock-reset", }, -+ { /* sentinel */ }, -+}; -+MODULE_DEVICE_TABLE(of, sunxi_reset_dt_ids); -+ -+static int sunxi_reset_probe(struct platform_device *pdev) -+{ -+ return sunxi_reset_init(pdev->dev.of_node); -+} -+ -+static int sunxi_reset_remove(struct platform_device *pdev) -+{ -+ struct sunxi_reset_data *data = platform_get_drvdata(pdev); -+ -+ reset_controller_unregister(&data->rcdev); -+ iounmap(data->membase); -+ kfree(data); -+ -+ return 0; -+} -+ -+static struct platform_driver sunxi_reset_driver = { -+ .probe = sunxi_reset_probe, -+ .remove = sunxi_reset_remove, -+ .driver = { -+ .name = "sunxi-reset", -+ .owner = THIS_MODULE, -+ .of_match_table = sunxi_reset_dt_ids, -+ }, -+}; -+module_platform_driver(sunxi_reset_driver); -+ -+MODULE_AUTHOR("Maxime Ripard