Remove sgm775 support

That platform has been replaced by Corstone-1000

Change-Id: I2dd6e190cbbc84c02f101bd6214c802585d8ca25

5 files changed, 1 insertions, 214 deletions

diff --git a/remoteproc/CMakeLists.txt b/remoteproc/CMakeLists.txt
index af5f1d1..86cef2c 100644
--- a/remoteproc/CMakeLists.txt
+++ b/remoteproc/CMakeLists.txt
@@ -36,7 +36,7 @@ file(GLOB_RECURSE OBJ RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.c")
 list(TRANSFORM OBJ REPLACE "^(.*)[.]c" "\\1.o")
 list(TRANSFORM OBJ PREPEND ${CMAKE_CURRENT_SOURCE_DIR}/)
 
-set(MODULES CONFIG_ARM_ETHOSU_RPROC=m CONFIG_ARM_SGM775_ETHOSU_RESET=m CONFIG_ARM_JUNO_FPGA_RESET=m CONFIG_ARM_CORSTONE1000_ES_RESET=m)
+set(MODULES CONFIG_ARM_ETHOSU_RPROC=m CONFIG_ARM_JUNO_FPGA_RESET=m CONFIG_ARM_CORSTONE1000_ES_RESET=m)
 
 # Build the kernel module
 add_custom_target(ethosu-remoteproc-module ALL
diff --git a/remoteproc/Kbuild b/remoteproc/Kbuild
index 23b9c8e..8c4a967 100644
--- a/remoteproc/Kbuild
+++ b/remoteproc/Kbuild
@@ -18,7 +18,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
-obj-$(CONFIG_ARM_SGM775_ETHOSU_RESET) += ethosu_bridge_reset.o
 obj-$(CONFIG_ARM_JUNO_FPGA_RESET) += juno_fpga_reset.o
 obj-$(CONFIG_ARM_ETHOSU_RPROC) += ethosu_remoteproc.o
 obj-$(CONFIG_ARM_CORSTONE1000_ES_RESET) += corstone1000_es_reset.o
diff --git a/remoteproc/Kconfig b/remoteproc/Kconfig
index 8c7b6c7..972530c 100644
--- a/remoteproc/Kconfig
+++ b/remoteproc/Kconfig
@@ -18,14 +18,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
-config ARM_SGM775_ETHOSU_RESET
-	tristate "Arm Ethos-U SGM775 Reset"
-	depends on RESET_CONTROLLER
-        help
-          Say Y here if you want to build the Arm Ethos-U reset controller
-          reference module for controlling the reset of Cortex-M CPU on
-          the Ethos-U subsystem.
-
 config ARM_JUNO_FPGA_RESET
 	tristate "Arm Juno FPGA Reset"
 	depends on RESET_CONTROLLER
@@ -47,4 +39,3 @@ config ARM_CORSTONE1000_ES_RESET
         help
           Say Y here if you want to build the reset driver for the external
           systems on Corstone1000.
-
diff --git a/remoteproc/ethosu_bridge_reset.c b/remoteproc/ethosu_bridge_reset.c
deleted file mode 100644
index 7f73ee7..0000000
--- a/remoteproc/ethosu_bridge_reset.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
- *
- * This program is free software and is provided to you under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation, and any use by you of this program is subject to the terms
- * of such GNU licence.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, you can access it online at
- * http://www.gnu.org/licenses/gpl-2.0.html.
- *
- * SPDX-License-Identifier: GPL-2.0-only
- */
-
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-#include <linux/reset-controller.h>
-
-#define ETHOSU_BRIDGE_RESET_DRIVER_VERSION "0.0.1"
-
-struct ethosu_reset {
-	struct reset_controller_dev rst;
-	struct device               *dev;
-	void __iomem                *base;
-};
-
-#define ETHOSU_BRIDGE_ID(base)   (base)
-#define ETHOSU_BRIDGE_CTRL(base) ((base) + 0x100)
-
-#define ETHOSU_BRIDGE_WAIT_ENABLE (0x2)
-#define ETHOSU_BRIDGE_RESET       (0x1)
-
-static void __iomem *bridge_verify_and_remap(struct device *dev,
-					     struct resource *res)
-{
-	void __iomem *base = devm_ioremap_resource(dev, res);
-	u32 id;
-	u16 magic;
-	u8 minor;
-	u8 major;
-
-	if (IS_ERR(base))
-		return base;
-
-	id = readl(ETHOSU_BRIDGE_ID(base));
-	magic = id & 0x0000ffff;
-	minor = (id & 0x00ff0000) >> 16;
-	major = (id & 0xff000000) >> 24;
-
-	dev_dbg(dev, "verifying bridge %d.%d", major, minor);
-
-	if (magic != 0xBD9E)
-		return IOMEM_ERR_PTR(-EINVAL);
-
-	return base;
-}
-
-int ethosu_bridge_assert(struct reset_controller_dev *rcdev,
-			 unsigned long id)
-{
-	struct ethosu_reset *ethosu = container_of(rcdev, struct ethosu_reset,
-						   rst);
-
-	/* pull reset */
-	dev_dbg(ethosu->dev, "Asserting reset");
-
-	/* set wait and reset */
-	writel(ETHOSU_BRIDGE_WAIT_ENABLE | ETHOSU_BRIDGE_RESET,
-	       ETHOSU_BRIDGE_CTRL(ethosu->base));
-
-	return 0;
-}
-
-int ethosu_bridge_deassert(struct reset_controller_dev *rcdev,
-			   unsigned long id)
-{
-	struct ethosu_reset *ethosu = container_of(rcdev, struct ethosu_reset,
-						   rst);
-
-	/* release reset */
-	dev_dbg(ethosu->dev, "Deasserting reset");
-	writel(~ETHOSU_BRIDGE_WAIT_ENABLE & ETHOSU_BRIDGE_RESET,
-	       ETHOSU_BRIDGE_CTRL(ethosu->base));
-
-	return 0;
-}
-
-static struct reset_control_ops ethosu_reset_bridge_ops = {
-	.assert   = ethosu_bridge_assert,
-	.deassert = ethosu_bridge_deassert,
-};
-
-static const struct of_device_id ethosu_reset_match[] = {
-	{ .compatible = "arm,ethosu-bridge-reset", .data = 0 },
-	{ /* sentinel */ },
-};
-
-static int ethosu_bridge_reset_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct ethosu_reset *ethosu;
-	struct resource *res;
-
-	ethosu = devm_kzalloc(&pdev->dev, sizeof(*ethosu), GFP_KERNEL);
-	if (!ethosu)
-		return -ENOMEM;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	ethosu->base = bridge_verify_and_remap(dev, res);
-	ethosu->dev = dev;
-
-	if (IS_ERR(ethosu->base))
-		return PTR_ERR(ethosu->base);
-
-	platform_set_drvdata(pdev, ethosu);
-
-	ethosu->rst.owner = THIS_MODULE;
-	ethosu->rst.nr_resets = 1;
-	ethosu->rst.ops = &ethosu_reset_bridge_ops;
-	ethosu->rst.of_node = pdev->dev.of_node;
-
-	dev_dbg(dev, "registering to reset controller core");
-
-	return devm_reset_controller_register(dev, &ethosu->rst);
-}
-
-static int ethosu_bridge_reset_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
-static struct platform_driver ethosu_reset_driver = {
-	.probe                  = ethosu_bridge_reset_probe,
-	.remove                 = ethosu_bridge_reset_remove,
-	.driver                 = {
-		.name           = "ethosu-bridge-reset",
-		.of_match_table = of_match_ptr(ethosu_reset_match),
-	},
-};
-
-module_platform_driver(ethosu_reset_driver);
-
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Arm Ltd");
-MODULE_DESCRIPTION("Arm Ethos-U NPU Bridge Reset Driver");
-MODULE_VERSION(ETHOSU_BRIDGE_RESET_DRIVER_VERSION);
diff --git a/remoteproc/remoteproc.dtsi b/remoteproc/remoteproc.dtsi
deleted file mode 100644
index a267912..0000000
--- a/remoteproc/remoteproc.dtsi
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
- *
- * This program is free software and is provided to you under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation, and any use by you of this program is subject to the terms
- * of such GNU licence.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, you can access it online at
- * http://www.gnu.org/licenses/gpl-2.0.html.
- *
- * SPDX-License-Identifier: GPL-2.0-only
- */
-
-
-/{
-    /* Example for using reset driver dts entries for Ethos-U */
-    ethosu_reset: sgm775_ethosu_bridge@0x500f0000 {
-            compatible ="arm,ethosu-bridge-reset";
-            #reset-cells = <1>;
-            reg = <0x0 0x500f0000 0x0 0x00001000>;
-    };
-
-    /* configuration for the remote proc driver. */
-    ethosu_cpu {
-           #address-cells = <2>;
-           #size-cells = <2>;
-           range;
-           compatible ="arm,ethosu-rproc";
-           reg = <0x0 0x50100000 0x0 0x00100000>,
-                 <0x0 0x84000000 0x0 0x00100000>;
-           reg-names = "rom", "shared";
-           resets = <&ethosu_reset 0>;
-           #ethosu,rproc-address-cells = <1>;
-           ethosu,rproc-ranges = <0x0 0x50100000 0x00000000 0x0 0x00100000
-                                  0x0 0x84000000 0x64000000 0x0 0x00100000>;
-           ethosu,rproc-names = "rom", "shared";
-    };
-};
-