deleted file mode 100644
@@ -1,220 +0,0 @@
-From 9eac502eacd36a4975ec34a3f076594fa4364032 Mon Sep 17 00:00:00 2001
-From: Emekcan <emekcan.aras@arm.com>
-Date: Fri, 19 Aug 2022 14:51:08 +0100
-Subject: [PATCH] Add external system driver
-
-Adds external system driver to control it
-from user-space. It provides run and reset
-functionality at the moment.
-
-Upstream-Status: Pending [Not submitted to upstream yet]
-Signed-off-by: Emekcan Aras <emekcan.aras@arm.com>
-Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
----
- drivers/misc/Kconfig | 1 +
- drivers/misc/Makefile | 1 +
- drivers/misc/arm/Kconfig | 5 ++
- drivers/misc/arm/Makefile | 1 +
- drivers/misc/arm/extsys_ctrl.c | 151 +++++++++++++++++++++++++++++++++
- 5 files changed, 159 insertions(+)
- create mode 100644 drivers/misc/arm/Kconfig
- create mode 100644 drivers/misc/arm/Makefile
- create mode 100644 drivers/misc/arm/extsys_ctrl.c
-
-diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
-index 433aa4197785..912986abc46c 100644
---- a/drivers/misc/Kconfig
-+++ b/drivers/misc/Kconfig
-@@ -555,4 +555,5 @@ source "drivers/misc/cardreader/Kconfig"
- source "drivers/misc/uacce/Kconfig"
- source "drivers/misc/pvpanic/Kconfig"
- source "drivers/misc/mchp_pci1xxxx/Kconfig"
-+source "drivers/misc/arm/Kconfig"
- endmenu
-diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
-index 56de43943cd5..22e6561b8192 100644
---- a/drivers/misc/Makefile
-+++ b/drivers/misc/Makefile
-@@ -63,5 +63,6 @@ obj-$(CONFIG_HI6421V600_IRQ) += hi6421v600-irq.o
- obj-$(CONFIG_OPEN_DICE) += open-dice.o
- obj-$(CONFIG_GP_PCI1XXXX) += mchp_pci1xxxx/
- obj-$(CONFIG_VCPU_STALL_DETECTOR) += vcpu_stall_detector.o
-+obj-y += arm/
- obj-$(CONFIG_TMR_MANAGER) += xilinx_tmr_manager.o
- obj-$(CONFIG_TMR_INJECT) += xilinx_tmr_inject.o
-diff --git a/drivers/misc/arm/Kconfig b/drivers/misc/arm/Kconfig
-new file mode 100644
-index 000000000000..9f1eb284e530
---- /dev/null
-+++ b/drivers/misc/arm/Kconfig
-@@ -0,0 +1,5 @@
-+config EXTSYS_CTRL
-+ tristate "Arm External System control driver"
-+ help
-+ Say y here to enable support for external system control
-+ driver for the Arm Corstone-700 and Corstone1000 platform
-\ No newline at end of file
-diff --git a/drivers/misc/arm/Makefile b/drivers/misc/arm/Makefile
-new file mode 100644
-index 000000000000..1ca3084cf8a0
---- /dev/null
-+++ b/drivers/misc/arm/Makefile
-@@ -0,0 +1 @@
-+obj-$(CONFIG_EXTSYS_CTRL) += extsys_ctrl.o
-diff --git a/drivers/misc/arm/extsys_ctrl.c b/drivers/misc/arm/extsys_ctrl.c
-new file mode 100644
-index 000000000000..7929070ff43d
---- /dev/null
-+++ b/drivers/misc/arm/extsys_ctrl.c
-@@ -0,0 +1,151 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * Arm Corstone700 and Corstone1000 external system reset control driver
-+ *
-+ * Copyright (C) 2019 Arm Ltd.
-+ *
-+ */
-+
-+#include <linux/fs.h>
-+#include <linux/clk.h>
-+#include <linux/err.h>
-+#include <linux/interrupt.h>
-+#include <linux/io.h>
-+#include <linux/kernel.h>
-+#include <linux/mod_devicetable.h>
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+#include <linux/miscdevice.h>
-+#include <linux/init.h>
-+
-+#define EXTSYS_DRV_NAME "extsys_ctrl"
-+#define EXTSYS_MAX_DEVS 4
-+
-+#define EXTSYS_RST_SIZE U(0x8)
-+#define EXTSYS_RST_CTRL_OFF U(0x0)
-+#define EXTSYS_RST_ST_OFF U(0x4)
-+
-+/* External system reset control indexes */
-+#define EXTSYS_CPU_WAIT (0x0)
-+#define EXTSYS_RST_REQ (0x1)
-+
-+/* External system reset status masks */
-+#define EXTSYS_RST_ST_ACK_OFF U(0x1)
-+
-+/* No Reset Requested */
-+#define EXTSYS_RST_ST_ACK_NRR (0x0 << EXTSYS_RST_ST_ACK_OFF)
-+
-+/* Reset Request Complete */
-+#define EXTSYS_RST_ST_ACK_RRC (0x2 << EXTSYS_RST_ST_ACK_OFF)
-+
-+/* Reset Request Unable to Complete */
-+#define EXTSYS_RST_ST_ACK_RRUC (0x3 << EXTSYS_RST_ST_ACK_OFF)
-+
-+/* IOCTL commands */
-+#define EXTSYS_CPU_WAIT_DISABLE 0x0
-+#define EXTSYS_RESET_REQ_ENABLE 0x1
-+
-+struct extsys_ctrl {
-+ struct miscdevice miscdev;
-+ void __iomem *reset_reg;
-+ void __iomem *set_reg;
-+};
-+
-+#define CLEAR_BIT(addr, index) writel(readl(addr) & ~(1UL << index), addr)
-+#define SET_BIT(addr, index) writel(readl(addr) | (1UL << index), addr)
-+
-+static long extsys_ctrl_ioctl(struct file *f, unsigned int cmd,
-+ unsigned long arg)
-+{
-+ struct extsys_ctrl *extsys;
-+
-+ extsys = container_of(f->private_data, struct extsys_ctrl, miscdev);
-+
-+ switch (cmd) {
-+ case EXTSYS_CPU_WAIT_DISABLE:
-+ CLEAR_BIT(extsys->reset_reg, EXTSYS_CPU_WAIT);
-+ break;
-+ case EXTSYS_RESET_REQ_ENABLE:
-+ SET_BIT(extsys->reset_reg, EXTSYS_RST_REQ);
-+ break;
-+ default:
-+ break;
-+ }
-+
-+ return 0;
-+}
-+
-+static const struct file_operations extsys_ctrl_fops = {
-+ .owner = THIS_MODULE,
-+ .unlocked_ioctl = extsys_ctrl_ioctl,
-+};
-+
-+static int extsys_ctrl_probe(struct platform_device *pdev)
-+{
-+ struct device *dev = &pdev->dev;
-+ struct extsys_ctrl *extsys;
-+ struct resource *res;
-+ void __iomem *reset_reg;
-+ void __iomem *set_reg;
-+ int ret;
-+
-+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rstreg");
-+ reset_reg = devm_ioremap_resource(dev, res);
-+ if (IS_ERR(reset_reg))
-+ return PTR_ERR(reset_reg);
-+
-+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "streg");
-+ set_reg = devm_ioremap_resource(dev, res);
-+ if (IS_ERR(set_reg))
-+ return PTR_ERR(set_reg);
-+
-+ extsys = devm_kzalloc(dev, sizeof(*extsys), GFP_KERNEL);
-+ if (!extsys)
-+ return -ENOMEM;
-+
-+ extsys->reset_reg = reset_reg;
-+ extsys->set_reg = set_reg;
-+
-+ extsys->miscdev.minor = MISC_DYNAMIC_MINOR;
-+ extsys->miscdev.name = EXTSYS_DRV_NAME;
-+ extsys->miscdev.fops = &extsys_ctrl_fops;
-+ extsys->miscdev.parent = dev;
-+
-+ ret = misc_register(&extsys->miscdev);
-+ if (ret)
-+ return ret;
-+
-+ dev_info(dev, "external system controller ready\n");
-+
-+ return 0;
-+}
-+
-+static int extsys_ctrl_remove(struct platform_device *pdev)
-+{
-+ struct extsys_ctrl *extsys = dev_get_drvdata(&pdev->dev);
-+
-+ misc_deregister(&extsys->miscdev);
-+
-+ return 0;
-+}
-+
-+static const struct of_device_id extsys_ctrl_match[] = {
-+ { .compatible = "arm,extsys_ctrl" },
-+ { },
-+};
-+MODULE_DEVICE_TABLE(of, extsys_ctrl_match);
-+
-+static struct platform_driver extsys_ctrl_driver = {
-+ .driver = {
-+ .name = EXTSYS_DRV_NAME,
-+ .of_match_table = extsys_ctrl_match,
-+ },
-+ .probe = extsys_ctrl_probe,
-+ .remove = extsys_ctrl_remove,
-+};
-+module_platform_driver(extsys_ctrl_driver);
-+
-+MODULE_LICENSE("GPL v2");
-+MODULE_DESCRIPTION("Arm External System Control Driver");
-+MODULE_AUTHOR("Morten Borup Petersen");
-+MODULE_AUTHOR("Rui Miguel Silva <rui.silva@arm.com>");
similarity index 100%
rename from meta-arm-bsp/recipes-kernel/linux/files/corstone1000/0006-Adds-workaround-for-cs1k-specific-bug.patch
rename to meta-arm-bsp/recipes-kernel/linux/files/corstone1000/0002-Adds-workaround-for-cs1k-specific-bug.patch
deleted file mode 100644
@@ -1,218 +0,0 @@
-From a834f4e143ff647e7677dc60ab57ee5883f3ac8f Mon Sep 17 00:00:00 2001
-From: Emekcan <emekcan.aras@arm.com>
-Date: Wed, 17 Aug 2022 14:21:42 +0100
-Subject: [PATCH] Add rpmsg driver for corstone1000
-
-Adds rpmsg driver to communicate with external
-system in corstone1000 platform.
-
-Upstream-Status: Pending
-Signed-off-by: Emekcan Aras <emekcan.aras@arm.com>
-Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
----
- drivers/rpmsg/Kconfig | 10 ++
- drivers/rpmsg/Makefile | 1 +
- drivers/rpmsg/rpmsg_arm_mailbox.c | 164 ++++++++++++++++++++++++++++++
- 3 files changed, 175 insertions(+)
- create mode 100644 drivers/rpmsg/rpmsg_arm_mailbox.c
-
-diff --git a/drivers/rpmsg/Kconfig b/drivers/rpmsg/Kconfig
-index d3795860f5c0..fc6916d7b523 100644
---- a/drivers/rpmsg/Kconfig
-+++ b/drivers/rpmsg/Kconfig
-@@ -81,4 +81,14 @@ config RPMSG_VIRTIO
- select RPMSG_NS
- select VIRTIO
-
-+config RPMSG_ARM
-+ tristate "ARM RPMSG driver"
-+ select RPMSG
-+ depends on HAS_IOMEM
-+ depends on MAILBOX
-+ help
-+ Say y here to enable support for rpmsg lient driver which is built
-+ around mailbox client using Arm MHUv2.1 as physical medium.This
-+ driver enables communication which remote processor using MHU.
-+
- endmenu
-diff --git a/drivers/rpmsg/Makefile b/drivers/rpmsg/Makefile
-index 58e3b382e316..6bdcc69688b2 100644
---- a/drivers/rpmsg/Makefile
-+++ b/drivers/rpmsg/Makefile
-@@ -1,5 +1,6 @@
- # SPDX-License-Identifier: GPL-2.0
- obj-$(CONFIG_RPMSG) += rpmsg_core.o
-+obj-$(CONFIG_RPMSG_ARM) += rpmsg_arm_mailbox.o
- obj-$(CONFIG_RPMSG_CHAR) += rpmsg_char.o
- obj-$(CONFIG_RPMSG_CTRL) += rpmsg_ctrl.o
- obj-$(CONFIG_RPMSG_NS) += rpmsg_ns.o
-diff --git a/drivers/rpmsg/rpmsg_arm_mailbox.c b/drivers/rpmsg/rpmsg_arm_mailbox.c
-new file mode 100644
-index 000000000000..4a80102669f6
---- /dev/null
-+++ b/drivers/rpmsg/rpmsg_arm_mailbox.c
-@@ -0,0 +1,164 @@
-+// SPDX-License-Identifier: GPL-2.0
-+/*
-+ * rpmsg client driver using mailbox client interface
-+ *
-+ * Copyright (C) 2019 ARM Ltd.
-+ *
-+ */
-+
-+#include <linux/bitmap.h>
-+#include <linux/export.h>
-+#include <linux/io.h>
-+#include <linux/kernel.h>
-+#include <linux/ktime.h>
-+#include <linux/mailbox_client.h>
-+#include <linux/module.h>
-+#include <linux/of_address.h>
-+#include <linux/of_device.h>
-+#include <linux/processor.h>
-+#include <linux/semaphore.h>
-+#include <linux/slab.h>
-+#include <linux/rpmsg.h>
-+#include "rpmsg_internal.h"
-+#include <linux/mailbox/arm_mhuv2_message.h>
-+
-+#define RPMSG_NAME "arm_rpmsg"
-+#define RPMSG_ADDR_ANY 0xFFFFFFFF
-+
-+struct arm_channel {
-+ struct rpmsg_endpoint ept;
-+ struct mbox_client cl;
-+ struct mbox_chan *mbox;
-+};
-+
-+#define arm_channel_from_rpmsg(_ept) container_of(_ept, struct arm_channel, ept)
-+#define arm_channel_from_mbox(_ept) container_of(_ept, struct arm_channel, cl)
-+
-+
-+static void arm_msg_rx_handler(struct mbox_client *cl, void *mssg)
-+{
-+ struct arm_mhuv2_mbox_msg *msg = mssg;
-+ struct arm_channel* channel = arm_channel_from_mbox(cl);
-+ int err = channel->ept.cb(channel->ept.rpdev, msg->data, 4, channel->ept.priv, RPMSG_ADDR_ANY);
-+ if(err) {
-+ printk("ARM Mailbox: Endpoint callback failed with error: %d", err);
-+ }
-+}
-+
-+
-+static void arm_destroy_ept(struct rpmsg_endpoint *ept)
-+{
-+ struct arm_channel *channel = arm_channel_from_rpmsg(ept);
-+ mbox_free_channel(channel->mbox);
-+ kfree(channel);
-+}
-+
-+static int arm_send(struct rpmsg_endpoint *ept, void *data, int len)
-+{
-+ struct arm_channel *channel = arm_channel_from_rpmsg(ept);
-+
-+ mbox_send_message(channel->mbox, data);
-+ return 0;
-+}
-+
-+static int arm_sendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dest)
-+{
-+ struct arm_mhuv2_mbox_msg msg;
-+ struct arm_channel *channel = arm_channel_from_rpmsg(ept);
-+ msg.data = data;
-+ msg.len = len;
-+ mbox_send_message(channel->mbox, &msg);
-+ return 0;
-+}
-+
-+
-+static const struct rpmsg_endpoint_ops arm_endpoint_ops = {
-+ .destroy_ept = arm_destroy_ept,
-+ .send = arm_send,
-+ .sendto = arm_sendto,
-+};
-+
-+
-+static struct rpmsg_endpoint *arm_create_ept(struct rpmsg_device *rpdev,
-+ rpmsg_rx_cb_t cb, void *priv, struct rpmsg_channel_info chinfo)
-+{
-+ struct arm_channel *channel;
-+
-+ channel = kzalloc(sizeof(*channel), GFP_KERNEL);
-+
-+ // Initialize rpmsg endpoint
-+ kref_init(&channel->ept.refcount);
-+ channel->ept.rpdev = rpdev;
-+ channel->ept.cb = cb;
-+ channel->ept.priv = priv;
-+ channel->ept.ops = &arm_endpoint_ops;
-+
-+ // Initialize mailbox client
-+ channel->cl.dev = rpdev->dev.parent;
-+ channel->cl.rx_callback = arm_msg_rx_handler;
-+ channel->cl.tx_done = NULL; /* operate in blocking mode */
-+ channel->cl.tx_block = true;
-+ channel->cl.tx_tout = 500; /* by half a second */
-+ channel->cl.knows_txdone = false; /* depending upon protocol */
-+
-+ channel->mbox = mbox_request_channel_byname(&channel->cl, chinfo.name);
-+ if (IS_ERR_OR_NULL(channel->mbox)) {
-+ printk("RPMsg ARM: Cannot get channel by name: '%s'\n", chinfo.name);
-+ return -1;
-+ }
-+
-+ return &channel->ept;
-+}
-+
-+static const struct rpmsg_device_ops arm_device_ops = {
-+ .create_ept = arm_create_ept,
-+};
-+
-+
-+static void arm_release_device(struct device *dev)
-+{
-+ struct rpmsg_device *rpdev = to_rpmsg_device(dev);
-+
-+ kfree(rpdev);
-+}
-+
-+
-+static int client_probe(struct platform_device *pdev)
-+{
-+ struct device *dev = &pdev->dev;
-+ struct rpmsg_device *rpdev;
-+
-+ rpdev = kzalloc(sizeof(*rpdev), GFP_KERNEL);
-+ if (!rpdev)
-+ return -ENOMEM;
-+
-+ /* Assign callbacks for rpmsg_device */
-+ rpdev->ops = &arm_device_ops;
-+
-+ /* Assign public information to the rpmsg_device */
-+ memcpy(rpdev->id.name, RPMSG_NAME, strlen(RPMSG_NAME));
-+
-+ rpdev->dev.parent = dev;
-+ rpdev->dev.release = arm_release_device;
-+
-+ return rpmsg_chrdev_register_device(rpdev);
-+}
-+
-+static const struct of_device_id client_of_match[] = {
-+ { .compatible = "arm,client", .data = NULL },
-+ { /* Sentinel */ },
-+};
-+
-+static struct platform_driver client_driver = {
-+ .driver = {
-+ .name = "arm-mhu-client",
-+ .of_match_table = client_of_match,
-+ },
-+ .probe = client_probe,
-+};
-+
-+module_platform_driver(client_driver);
-+
-+MODULE_LICENSE("GPL v2");
-+MODULE_DESCRIPTION("ARM RPMSG Driver");
-+MODULE_AUTHOR("Tushar Khandelwal <tushar.khandelwal@arm.com>");
deleted file mode 100644
@@ -1,30 +0,0 @@
-From c1ffd793062a13afdcc07d4bc1a8007188bfca5f Mon Sep 17 00:00:00 2001
-From: Rui Miguel Silva <rui.silva@linaro.org>
-Date: Tue, 27 Sep 2022 10:05:27 +0100
-Subject: [PATCH] rpmsg: arm: fix return value
-
-The creation of and endpoint returns a pointer, fix the return
-value to the right type.
-
-Upstream-Status: Pending
-Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
----
- drivers/rpmsg/rpmsg_arm_mailbox.c | 5 +++--
- 1 file changed, 3 insertions(+), 2 deletions(-)
-
-diff --git a/drivers/rpmsg/rpmsg_arm_mailbox.c b/drivers/rpmsg/rpmsg_arm_mailbox.c
-index 4a80102669f6..5c0dcc8e353d 100644
---- a/drivers/rpmsg/rpmsg_arm_mailbox.c
-+++ b/drivers/rpmsg/rpmsg_arm_mailbox.c
-@@ -103,8 +103,9 @@ static struct rpmsg_endpoint *arm_create_ept(struct rpmsg_device *rpdev,
-
- channel->mbox = mbox_request_channel_byname(&channel->cl, chinfo.name);
- if (IS_ERR_OR_NULL(channel->mbox)) {
-- printk("RPMsg ARM: Cannot get channel by name: '%s'\n", chinfo.name);
-- return -1;
-+ printk("RPMsg ARM: Cannot get channel by name: %s\n",
-+ chinfo.name);
-+ return ERR_PTR(-ENOENT);
- }
-
- return &channel->ept;
deleted file mode 100644
@@ -1,28 +0,0 @@
-From a8c295e1ff1d2b1032cc7495f212c56ba9f3e874 Mon Sep 17 00:00:00 2001
-From: Rui Miguel Silva <rui.silva@linaro.org>
-Date: Tue, 27 Sep 2022 10:07:21 +0100
-Subject: [PATCH] rpmsg: arm: update chrdev to ctrldev registration
-
-Since "rpmsg: Update rpmsg_chrdev_register_device function",
-there was a replacement of the chrdev driver to ctrldev
-driver. Fix the registration.
-
-Upstream-Status: Pending
-Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
----
- drivers/rpmsg/rpmsg_arm_mailbox.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/drivers/rpmsg/rpmsg_arm_mailbox.c b/drivers/rpmsg/rpmsg_arm_mailbox.c
-index 5c0dcc8e353d..90bc8df90885 100644
---- a/drivers/rpmsg/rpmsg_arm_mailbox.c
-+++ b/drivers/rpmsg/rpmsg_arm_mailbox.c
-@@ -142,7 +142,7 @@ static int client_probe(struct platform_device *pdev)
- rpdev->dev.parent = dev;
- rpdev->dev.release = arm_release_device;
-
-- return rpmsg_chrdev_register_device(rpdev);
-+ return rpmsg_ctrldev_register_device(rpdev);
- }
-
- static const struct of_device_id client_of_match[] = {
@@ -30,11 +30,7 @@ LINUX_KERNEL_TYPE:corstone1000 = "standard"
KERNEL_EXTRA_ARGS:corstone1000 += "CONFIG_INITRAMFS_COMPRESSION_NONE=y"
SRC_URI:append:corstone1000 = " \
file://defconfig \
- file://0002-Add-external-system-driver.patch \
- file://0003-Add-rpmsg-driver-for-corstone1000.patch \
- file://0004-rpmsg-arm-fix-return-value.patch \
- file://0005-rpmsg-arm-update-chrdev-to-ctrldev-registration.patch \
- file://0006-Adds-workaround-for-cs1k-specific-bug.patch \
+ file://0002-Adds-workaround-for-cs1k-specific-bug.patch \
"
SRC_URI:append:corstone1000 = " ${@bb.utils.contains('MACHINE_FEATURES', \
From: Harsimran Singh Tungal <harsimransingh.tungal@arm.com> remove the External system patches as they are not upstreamable. --- .../0002-Add-external-system-driver.patch | 220 ------------------ ...ds-workaround-for-cs1k-specific-bug.patch} | 0 ...03-Add-rpmsg-driver-for-corstone1000.patch | 218 ----------------- .../0004-rpmsg-arm-fix-return-value.patch | 30 --- ...pdate-chrdev-to-ctrldev-registration.patch | 28 --- .../linux/linux-arm-platforms.inc | 6 +- 6 files changed, 1 insertion(+), 501 deletions(-) delete mode 100644 meta-arm-bsp/recipes-kernel/linux/files/corstone1000/0002-Add-external-system-driver.patch rename meta-arm-bsp/recipes-kernel/linux/files/corstone1000/{0006-Adds-workaround-for-cs1k-specific-bug.patch => 0002-Adds-workaround-for-cs1k-specific-bug.patch} (100%) delete mode 100644 meta-arm-bsp/recipes-kernel/linux/files/corstone1000/0003-Add-rpmsg-driver-for-corstone1000.patch delete mode 100644 meta-arm-bsp/recipes-kernel/linux/files/corstone1000/0004-rpmsg-arm-fix-return-value.patch delete mode 100644 meta-arm-bsp/recipes-kernel/linux/files/corstone1000/0005-rpmsg-arm-update-chrdev-to-ctrldev-registration.patch