CONFIG_POWER_DOMAIN=y
CONFIG_TI_SCI_POWER_DOMAIN=y
CONFIG_K3_SYSTEM_CONTROLLER=y
-CONFIG_REMOTEPROC_K3=y
CONFIG_DM_RESET=y
CONFIG_RESET_TI_SCI=y
CONFIG_DM_SERIAL=y
CONFIG_RAM=y
CONFIG_SPL_RAM=y
CONFIG_K3_SYSTEM_CONTROLLER=y
-CONFIG_REMOTEPROC_K3=y
+CONFIG_REMOTEPROC_TI_K3_ARM64=y
CONFIG_DM_RESET=y
CONFIG_RESET_TI_SCI=y
CONFIG_DM_SERIAL=y
CONFIG_POWER_DOMAIN=y
CONFIG_TI_SCI_POWER_DOMAIN=y
CONFIG_K3_SYSTEM_CONTROLLER=y
-CONFIG_REMOTEPROC_K3=y
CONFIG_DM_RESET=y
CONFIG_RESET_TI_SCI=y
CONFIG_DM_SERIAL=y
CONFIG_RAM=y
CONFIG_SPL_RAM=y
CONFIG_K3_SYSTEM_CONTROLLER=y
-CONFIG_REMOTEPROC_K3=y
+CONFIG_REMOTEPROC_TI_K3_ARM64=y
CONFIG_DM_RESET=y
CONFIG_RESET_TI_SCI=y
CONFIG_DM_SERIAL=y
help
Say 'y' here to add support for TI' K3 System Controller.
-config REMOTEPROC_K3
- bool "Support for TI's K3 based remoteproc driver"
- select REMOTEPROC
- depends on DM
- depends on ARCH_K3
- depends on OF_CONTROL
- help
- Say 'y' here to add support for TI' K3 remoteproc driver.
-
config REMOTEPROC_SANDBOX
bool "Support for Test processor for Sandbox"
select REMOTEPROC
Say 'y' here to add support for STM32 Cortex-M4 coprocessors via the
remoteproc framework.
+config REMOTEPROC_TI_K3_ARM64
+ bool "Support for TI's K3 based ARM64 remoteproc driver"
+ select REMOTEPROC
+ depends on DM
+ depends on ARCH_K3
+ depends on OF_CONTROL
+ help
+ Say y here to support TI's ARM64 processor subsystems
+ on various TI K3 family of SoCs through the remote processor
+ framework.
+
config REMOTEPROC_TI_POWER
bool "Support for TI Power processor"
select REMOTEPROC
# Remote proc drivers - Please keep this list alphabetically sorted.
obj-$(CONFIG_K3_SYSTEM_CONTROLLER) += k3_system_controller.o
-obj-$(CONFIG_REMOTEPROC_K3) += k3_rproc.o
obj-$(CONFIG_REMOTEPROC_SANDBOX) += sandbox_testproc.o
obj-$(CONFIG_REMOTEPROC_STM32_COPRO) += stm32_copro.o
+obj-$(CONFIG_REMOTEPROC_TI_K3_ARM64) += ti_k3_arm64_rproc.o
obj-$(CONFIG_REMOTEPROC_TI_POWER) += ti_power_proc.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Texas Instruments' K3 Remoteproc driver
- *
- * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
- * Lokesh Vutla <lokeshvutla@ti.com>
- *
- */
-
-#include <common.h>
-#include <dm.h>
-#include <remoteproc.h>
-#include <errno.h>
-#include <clk.h>
-#include <reset.h>
-#include <asm/io.h>
-#include <power-domain.h>
-#include <linux/soc/ti/ti_sci_protocol.h>
-#include "ti_sci_proc.h"
-
-#define INVALID_ID 0xffff
-
-#define GTC_CNTCR_REG 0x0
-#define GTC_CNTR_EN 0x3
-
-/**
- * struct k3_rproc_privdata - Structure representing Remote processor data.
- * @rproc_pwrdmn: rproc power domain data
- * @rproc_rst: rproc reset control data
- * @sci: Pointer to TISCI handle
- * @tsp: TISCI processor control helper structure
- * @gtc_base: Timer base address.
- */
-struct k3_rproc_privdata {
- struct power_domain rproc_pwrdmn;
- struct power_domain gtc_pwrdmn;
- struct reset_ctl rproc_rst;
- struct ti_sci_proc tsp;
- void *gtc_base;
-};
-
-/**
- * k3_rproc_load() - Load up the Remote processor image
- * @dev: rproc device pointer
- * @addr: Address at which image is available
- * @size: size of the image
- *
- * Return: 0 if all goes good, else appropriate error message.
- */
-static int k3_rproc_load(struct udevice *dev, ulong addr, ulong size)
-{
- struct k3_rproc_privdata *rproc = dev_get_priv(dev);
- int ret;
-
- dev_dbg(dev, "%s addr = 0x%lx, size = 0x%lx\n", __func__, addr, size);
-
- /* request for the processor */
- ret = ti_sci_proc_request(&rproc->tsp);
- if (ret)
- return ret;
-
- return ti_sci_proc_set_config(&rproc->tsp, addr, 0, 0);
-}
-
-/**
- * k3_rproc_start() - Start the remote processor
- * @dev: rproc device pointer
- *
- * Return: 0 if all went ok, else return appropriate error
- */
-static int k3_rproc_start(struct udevice *dev)
-{
- struct k3_rproc_privdata *rproc = dev_get_priv(dev);
- int ret;
-
- dev_dbg(dev, "%s\n", __func__);
-
- ret = power_domain_on(&rproc->gtc_pwrdmn);
- if (ret) {
- dev_err(dev, "power_domain_on() failed: %d\n", ret);
- return ret;
- }
-
- /* Enable the timer before starting remote core */
- writel(GTC_CNTR_EN, rproc->gtc_base + GTC_CNTCR_REG);
-
- /*
- * Setting the right clock frequency would have taken care by
- * assigned-clock-rates during the device probe. So no need to
- * set the frequency again here.
- */
- ret = power_domain_on(&rproc->rproc_pwrdmn);
- if (ret) {
- dev_err(dev, "power_domain_on() failed: %d\n", ret);
- return ret;
- }
-
- return ti_sci_proc_release(&rproc->tsp);
-}
-
-/**
- * k3_rproc_init() - Initialize the remote processor
- * @dev: rproc device pointer
- *
- * Return: 0 if all went ok, else return appropriate error
- */
-static int k3_rproc_init(struct udevice *dev)
-{
- dev_dbg(dev, "%s\n", __func__);
-
- /* Enable the module */
- dev_dbg(dev, "%s: rproc successfully initialized\n", __func__);
-
- return 0;
-}
-
-static const struct dm_rproc_ops k3_rproc_ops = {
- .init = k3_rproc_init,
- .load = k3_rproc_load,
- .start = k3_rproc_start,
-};
-
-static int ti_sci_proc_of_to_priv(struct udevice *dev, struct ti_sci_proc *tsp)
-{
- dev_dbg(dev, "%s\n", __func__);
-
- tsp->sci = ti_sci_get_by_phandle(dev, "ti,sci");
- if (IS_ERR(tsp->sci)) {
- dev_err(dev, "ti_sci get failed: %ld\n", PTR_ERR(tsp->sci));
- return PTR_ERR(tsp->sci);
- }
-
- tsp->proc_id = dev_read_u32_default(dev, "ti,sci-proc-id", INVALID_ID);
- if (tsp->proc_id == INVALID_ID) {
- dev_err(dev, "proc id not populated\n");
- return -ENOENT;
- }
- tsp->host_id = dev_read_u32_default(dev, "ti,sci-host-id", INVALID_ID);
- tsp->ops = &tsp->sci->ops.proc_ops;
-
- return 0;
-}
-
-/**
- * k3_of_to_priv() - generate private data from device tree
- * @dev: corresponding k3 remote processor device
- * @priv: pointer to driver specific private data
- *
- * Return: 0 if all goes good, else appropriate error message.
- */
-static int k3_rproc_of_to_priv(struct udevice *dev,
- struct k3_rproc_privdata *rproc)
-{
- int ret;
-
- dev_dbg(dev, "%s\n", __func__);
-
- ret = power_domain_get_by_index(dev, &rproc->rproc_pwrdmn, 1);
- if (ret) {
- dev_err(dev, "power_domain_get() failed: %d\n", ret);
- return ret;
- }
-
- ret = power_domain_get_by_index(dev, &rproc->gtc_pwrdmn, 0);
- if (ret) {
- dev_err(dev, "power_domain_get() failed: %d\n", ret);
- return ret;
- }
-
- ret = reset_get_by_index(dev, 0, &rproc->rproc_rst);
- if (ret) {
- dev_err(dev, "reset_get() failed: %d\n", ret);
- return ret;
- }
-
- ret = ti_sci_proc_of_to_priv(dev, &rproc->tsp);
- if (ret)
- return ret;
-
- rproc->gtc_base = dev_read_addr_ptr(dev);
- if (!rproc->gtc_base) {
- dev_err(dev, "Get address failed\n");
- return -ENODEV;
- }
-
- return 0;
-}
-
-/**
- * k3_rproc_probe() - Basic probe
- * @dev: corresponding k3 remote processor device
- *
- * Return: 0 if all goes good, else appropriate error message.
- */
-static int k3_rproc_probe(struct udevice *dev)
-{
- struct k3_rproc_privdata *priv;
- int ret;
-
- dev_dbg(dev, "%s\n", __func__);
-
- priv = dev_get_priv(dev);
-
- ret = k3_rproc_of_to_priv(dev, priv);
- if (ret) {
- dev_dbg(dev, "%s: Probe failed with error %d\n", __func__, ret);
- return ret;
- }
-
- dev_dbg(dev, "Remoteproc successfully probed\n");
-
- return 0;
-}
-
-static const struct udevice_id k3_rproc_ids[] = {
- { .compatible = "ti,am654-rproc"},
- {}
-};
-
-U_BOOT_DRIVER(k3_rproc) = {
- .name = "k3_rproc",
- .of_match = k3_rproc_ids,
- .id = UCLASS_REMOTEPROC,
- .ops = &k3_rproc_ops,
- .probe = k3_rproc_probe,
- .priv_auto_alloc_size = sizeof(struct k3_rproc_privdata),
-};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Texas Instruments' K3 ARM64 Remoteproc driver
+ *
+ * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ * Lokesh Vutla <lokeshvutla@ti.com>
+ *
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <remoteproc.h>
+#include <errno.h>
+#include <clk.h>
+#include <reset.h>
+#include <asm/io.h>
+#include <power-domain.h>
+#include <linux/soc/ti/ti_sci_protocol.h>
+#include "ti_sci_proc.h"
+
+#define INVALID_ID 0xffff
+
+#define GTC_CNTCR_REG 0x0
+#define GTC_CNTR_EN 0x3
+
+/**
+ * struct k3_arm64_privdata - Structure representing Remote processor data.
+ * @rproc_pwrdmn: rproc power domain data
+ * @rproc_rst: rproc reset control data
+ * @sci: Pointer to TISCI handle
+ * @tsp: TISCI processor control helper structure
+ * @gtc_base: Timer base address.
+ */
+struct k3_arm64_privdata {
+ struct power_domain rproc_pwrdmn;
+ struct power_domain gtc_pwrdmn;
+ struct reset_ctl rproc_rst;
+ struct ti_sci_proc tsp;
+ void *gtc_base;
+};
+
+/**
+ * k3_arm64_load() - Load up the Remote processor image
+ * @dev: rproc device pointer
+ * @addr: Address at which image is available
+ * @size: size of the image
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int k3_arm64_load(struct udevice *dev, ulong addr, ulong size)
+{
+ struct k3_arm64_privdata *rproc = dev_get_priv(dev);
+ int ret;
+
+ dev_dbg(dev, "%s addr = 0x%lx, size = 0x%lx\n", __func__, addr, size);
+
+ /* request for the processor */
+ ret = ti_sci_proc_request(&rproc->tsp);
+ if (ret)
+ return ret;
+
+ return ti_sci_proc_set_config(&rproc->tsp, addr, 0, 0);
+}
+
+/**
+ * k3_arm64_start() - Start the remote processor
+ * @dev: rproc device pointer
+ *
+ * Return: 0 if all went ok, else return appropriate error
+ */
+static int k3_arm64_start(struct udevice *dev)
+{
+ struct k3_arm64_privdata *rproc = dev_get_priv(dev);
+ int ret;
+
+ dev_dbg(dev, "%s\n", __func__);
+
+ ret = power_domain_on(&rproc->gtc_pwrdmn);
+ if (ret) {
+ dev_err(dev, "power_domain_on() failed: %d\n", ret);
+ return ret;
+ }
+
+ /* Enable the timer before starting remote core */
+ writel(GTC_CNTR_EN, rproc->gtc_base + GTC_CNTCR_REG);
+
+ /*
+ * Setting the right clock frequency would have taken care by
+ * assigned-clock-rates during the device probe. So no need to
+ * set the frequency again here.
+ */
+ ret = power_domain_on(&rproc->rproc_pwrdmn);
+ if (ret) {
+ dev_err(dev, "power_domain_on() failed: %d\n", ret);
+ return ret;
+ }
+
+ return ti_sci_proc_release(&rproc->tsp);
+}
+
+/**
+ * k3_arm64_init() - Initialize the remote processor
+ * @dev: rproc device pointer
+ *
+ * Return: 0 if all went ok, else return appropriate error
+ */
+static int k3_arm64_init(struct udevice *dev)
+{
+ dev_dbg(dev, "%s\n", __func__);
+
+ /* Enable the module */
+ dev_dbg(dev, "%s: rproc successfully initialized\n", __func__);
+
+ return 0;
+}
+
+static const struct dm_rproc_ops k3_arm64_ops = {
+ .init = k3_arm64_init,
+ .load = k3_arm64_load,
+ .start = k3_arm64_start,
+};
+
+static int ti_sci_proc_of_to_priv(struct udevice *dev, struct ti_sci_proc *tsp)
+{
+ dev_dbg(dev, "%s\n", __func__);
+
+ tsp->sci = ti_sci_get_by_phandle(dev, "ti,sci");
+ if (IS_ERR(tsp->sci)) {
+ dev_err(dev, "ti_sci get failed: %ld\n", PTR_ERR(tsp->sci));
+ return PTR_ERR(tsp->sci);
+ }
+
+ tsp->proc_id = dev_read_u32_default(dev, "ti,sci-proc-id", INVALID_ID);
+ if (tsp->proc_id == INVALID_ID) {
+ dev_err(dev, "proc id not populated\n");
+ return -ENOENT;
+ }
+ tsp->host_id = dev_read_u32_default(dev, "ti,sci-host-id", INVALID_ID);
+ tsp->ops = &tsp->sci->ops.proc_ops;
+
+ return 0;
+}
+
+/**
+ * k3_of_to_priv() - generate private data from device tree
+ * @dev: corresponding k3 remote processor device
+ * @priv: pointer to driver specific private data
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int k3_arm64_of_to_priv(struct udevice *dev,
+ struct k3_arm64_privdata *rproc)
+{
+ int ret;
+
+ dev_dbg(dev, "%s\n", __func__);
+
+ ret = power_domain_get_by_index(dev, &rproc->rproc_pwrdmn, 1);
+ if (ret) {
+ dev_err(dev, "power_domain_get() failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = power_domain_get_by_index(dev, &rproc->gtc_pwrdmn, 0);
+ if (ret) {
+ dev_err(dev, "power_domain_get() failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = reset_get_by_index(dev, 0, &rproc->rproc_rst);
+ if (ret) {
+ dev_err(dev, "reset_get() failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = ti_sci_proc_of_to_priv(dev, &rproc->tsp);
+ if (ret)
+ return ret;
+
+ rproc->gtc_base = dev_read_addr_ptr(dev);
+ if (!rproc->gtc_base) {
+ dev_err(dev, "Get address failed\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+/**
+ * k3_arm64_probe() - Basic probe
+ * @dev: corresponding k3 remote processor device
+ *
+ * Return: 0 if all goes good, else appropriate error message.
+ */
+static int k3_arm64_probe(struct udevice *dev)
+{
+ struct k3_arm64_privdata *priv;
+ int ret;
+
+ dev_dbg(dev, "%s\n", __func__);
+
+ priv = dev_get_priv(dev);
+
+ ret = k3_arm64_of_to_priv(dev, priv);
+ if (ret) {
+ dev_dbg(dev, "%s: Probe failed with error %d\n", __func__, ret);
+ return ret;
+ }
+
+ dev_dbg(dev, "Remoteproc successfully probed\n");
+
+ return 0;
+}
+
+static const struct udevice_id k3_arm64_ids[] = {
+ { .compatible = "ti,am654-arm64"},
+ { .compatible = "ti,am654-rproc"},
+ {}
+};
+
+U_BOOT_DRIVER(k3_arm64) = {
+ .name = "k3_arm64",
+ .of_match = k3_arm64_ids,
+ .id = UCLASS_REMOTEPROC,
+ .ops = &k3_arm64_ops,
+ .probe = k3_arm64_probe,
+ .priv_auto_alloc_size = sizeof(struct k3_arm64_privdata),
+};
projects / oweals / u-boot.git / commitdiff