aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/remoteproc/Kconfig11
-rw-r--r--drivers/remoteproc/Makefile1
-rw-r--r--drivers/remoteproc/imx_rproc.c9
-rw-r--r--drivers/remoteproc/ingenic_rproc.c5
-rw-r--r--drivers/remoteproc/mtk_scp_ipi.c4
-rw-r--r--drivers/remoteproc/qcom_pil_info.c2
-rw-r--r--drivers/remoteproc/qcom_q6v5_pas.c38
-rw-r--r--drivers/remoteproc/rcar_rproc.c224
-rw-r--r--drivers/remoteproc/remoteproc_core.c4
-rw-r--r--drivers/remoteproc/remoteproc_coredump.c2
-rw-r--r--drivers/remoteproc/st_slim_rproc.c2
-rw-r--r--drivers/remoteproc/stm32_rproc.c2
-rw-r--r--drivers/remoteproc/ti_k3_dsp_remoteproc.c1
-rw-r--r--drivers/remoteproc/ti_k3_r5_remoteproc.c5
14 files changed, 294 insertions, 16 deletions
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index f2e961f998ca..3ddd426fc969 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -283,6 +283,17 @@ config QCOM_WCNSS_PIL
verified and booted with the help of the Peripheral Authentication
System (PAS) in TrustZone.
+config RCAR_REMOTEPROC
+ tristate "Renesas R-Car Gen3 remoteproc support"
+ depends on ARCH_RENESAS || COMPILE_TEST
+ help
+ Say y here to support R-Car realtime processor via the
+ remote processor framework. An ELF firmware can be loaded
+ thanks to sysfs remoteproc entries. The remote processor
+ can be started and stopped.
+ This can be either built-in or a loadable module.
+ If compiled as module (M), the module name is rcar_rproc.
+
config ST_REMOTEPROC
tristate "ST remoteproc support"
depends on ARCH_STI
diff --git a/drivers/remoteproc/Makefile b/drivers/remoteproc/Makefile
index 0ac256b6c977..5478c7cb9e07 100644
--- a/drivers/remoteproc/Makefile
+++ b/drivers/remoteproc/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_QCOM_SYSMON) += qcom_sysmon.o
obj-$(CONFIG_QCOM_WCNSS_PIL) += qcom_wcnss_pil.o
qcom_wcnss_pil-y += qcom_wcnss.o
qcom_wcnss_pil-y += qcom_wcnss_iris.o
+obj-$(CONFIG_RCAR_REMOTEPROC) += rcar_rproc.o
obj-$(CONFIG_ST_REMOTEPROC) += st_remoteproc.o
obj-$(CONFIG_ST_SLIM_REMOTEPROC) += st_slim_rproc.o
obj-$(CONFIG_STM32_RPROC) += stm32_rproc.o
diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index ff8170dbbc3c..7a096f1891e6 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -34,7 +34,8 @@
#define IMX7D_M4_START (IMX7D_ENABLE_M4 | IMX7D_SW_M4P_RST \
| IMX7D_SW_M4C_RST)
-#define IMX7D_M4_STOP IMX7D_SW_M4C_NON_SCLR_RST
+#define IMX7D_M4_STOP (IMX7D_ENABLE_M4 | IMX7D_SW_M4C_RST | \
+ IMX7D_SW_M4C_NON_SCLR_RST)
/* Address: 0x020D8000 */
#define IMX6SX_SRC_SCR 0x00
@@ -45,7 +46,8 @@
#define IMX6SX_M4_START (IMX6SX_ENABLE_M4 | IMX6SX_SW_M4P_RST \
| IMX6SX_SW_M4C_RST)
-#define IMX6SX_M4_STOP IMX6SX_SW_M4C_NON_SCLR_RST
+#define IMX6SX_M4_STOP (IMX6SX_ENABLE_M4 | IMX6SX_SW_M4C_RST | \
+ IMX6SX_SW_M4C_NON_SCLR_RST)
#define IMX6SX_M4_RST_MASK (IMX6SX_ENABLE_M4 | IMX6SX_SW_M4P_RST \
| IMX6SX_SW_M4C_NON_SCLR_RST \
| IMX6SX_SW_M4C_RST)
@@ -684,7 +686,7 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv)
return ret;
}
- if (!(val & dcfg->src_stop))
+ if ((val & dcfg->src_mask) != dcfg->src_stop)
priv->rproc->state = RPROC_DETACHED;
return 0;
@@ -804,6 +806,7 @@ static int imx_rproc_remove(struct platform_device *pdev)
clk_disable_unprepare(priv->clk);
rproc_del(rproc);
imx_rproc_free_mbox(rproc);
+ destroy_workqueue(priv->workqueue);
rproc_free(rproc);
return 0;
diff --git a/drivers/remoteproc/ingenic_rproc.c b/drivers/remoteproc/ingenic_rproc.c
index a356738160a4..9902cce28692 100644
--- a/drivers/remoteproc/ingenic_rproc.c
+++ b/drivers/remoteproc/ingenic_rproc.c
@@ -218,14 +218,13 @@ static int ingenic_rproc_probe(struct platform_device *pdev)
if (vpu->irq < 0)
return vpu->irq;
- ret = devm_request_irq(dev, vpu->irq, vpu_interrupt, 0, "VPU", rproc);
+ ret = devm_request_irq(dev, vpu->irq, vpu_interrupt, IRQF_NO_AUTOEN,
+ "VPU", rproc);
if (ret < 0) {
dev_err(dev, "Failed to request IRQ\n");
return ret;
}
- disable_irq(vpu->irq);
-
ret = devm_rproc_add(dev, rproc);
if (ret) {
dev_err(dev, "Failed to register remote processor\n");
diff --git a/drivers/remoteproc/mtk_scp_ipi.c b/drivers/remoteproc/mtk_scp_ipi.c
index 6dc955ecab80..00f041ebcde6 100644
--- a/drivers/remoteproc/mtk_scp_ipi.c
+++ b/drivers/remoteproc/mtk_scp_ipi.c
@@ -23,7 +23,7 @@
*
* Register an ipi function to receive ipi interrupt from SCP.
*
- * Returns 0 if ipi registers successfully, -error on error.
+ * Return: 0 if ipi registers successfully, -error on error.
*/
int scp_ipi_register(struct mtk_scp *scp,
u32 id,
@@ -150,7 +150,7 @@ EXPORT_SYMBOL_GPL(scp_ipi_unlock);
* When the processing completes, IPI handler registered
* by scp_ipi_register will be called in interrupt context.
*
- * Returns 0 if sending data successfully, -error on error.
+ * Return: 0 if sending data successfully, -error on error.
**/
int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len,
unsigned int wait)
diff --git a/drivers/remoteproc/qcom_pil_info.c b/drivers/remoteproc/qcom_pil_info.c
index 7c007dd7b200..aca21560e20b 100644
--- a/drivers/remoteproc/qcom_pil_info.c
+++ b/drivers/remoteproc/qcom_pil_info.c
@@ -104,7 +104,7 @@ int qcom_pil_info_store(const char *image, phys_addr_t base, size_t size)
return -ENOMEM;
found_unused:
- memcpy_toio(entry, image, PIL_RELOC_NAME_LEN);
+ memcpy_toio(entry, image, strnlen(image, PIL_RELOC_NAME_LEN));
found_existing:
/* Use two writel() as base is only aligned to 4 bytes on odd entries */
writel(base, entry + PIL_RELOC_NAME_LEN);
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 03857dc9cdc1..184bb7cdf95a 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -524,6 +524,23 @@ static const struct adsp_data sdm845_adsp_resource_init = {
.ssctl_id = 0x14,
};
+static const struct adsp_data sm6350_adsp_resource = {
+ .crash_reason_smem = 423,
+ .firmware_name = "adsp.mdt",
+ .pas_id = 1,
+ .has_aggre2_clk = false,
+ .auto_boot = true,
+ .proxy_pd_names = (char*[]){
+ "lcx",
+ "lmx",
+ NULL
+ },
+ .load_state = "adsp",
+ .ssr_name = "lpass",
+ .sysmon_name = "adsp",
+ .ssctl_id = 0x14,
+};
+
static const struct adsp_data sm8150_adsp_resource = {
.crash_reason_smem = 423,
.firmware_name = "adsp.mdt",
@@ -612,6 +629,23 @@ static const struct adsp_data sdm845_cdsp_resource_init = {
.ssctl_id = 0x17,
};
+static const struct adsp_data sm6350_cdsp_resource = {
+ .crash_reason_smem = 601,
+ .firmware_name = "cdsp.mdt",
+ .pas_id = 18,
+ .has_aggre2_clk = false,
+ .auto_boot = true,
+ .proxy_pd_names = (char*[]){
+ "cx",
+ "mx",
+ NULL
+ },
+ .load_state = "cdsp",
+ .ssr_name = "cdsp",
+ .sysmon_name = "cdsp",
+ .ssctl_id = 0x17,
+};
+
static const struct adsp_data sm8150_cdsp_resource = {
.crash_reason_smem = 601,
.firmware_name = "cdsp.mdt",
@@ -652,6 +686,7 @@ static const struct adsp_data sm8350_cdsp_resource = {
.auto_boot = true,
.proxy_pd_names = (char*[]){
"cx",
+ "mxc",
NULL
},
.load_state = "cdsp",
@@ -804,6 +839,9 @@ static const struct of_device_id adsp_of_match[] = {
{ .compatible = "qcom,sdm845-adsp-pas", .data = &sdm845_adsp_resource_init},
{ .compatible = "qcom,sdm845-cdsp-pas", .data = &sdm845_cdsp_resource_init},
{ .compatible = "qcom,sdx55-mpss-pas", .data = &sdx55_mpss_resource},
+ { .compatible = "qcom,sm6350-adsp-pas", .data = &sm6350_adsp_resource},
+ { .compatible = "qcom,sm6350-cdsp-pas", .data = &sm6350_cdsp_resource},
+ { .compatible = "qcom,sm6350-mpss-pas", .data = &mpss_resource_init},
{ .compatible = "qcom,sm8150-adsp-pas", .data = &sm8150_adsp_resource},
{ .compatible = "qcom,sm8150-cdsp-pas", .data = &sm8150_cdsp_resource},
{ .compatible = "qcom,sm8150-mpss-pas", .data = &mpss_resource_init},
diff --git a/drivers/remoteproc/rcar_rproc.c b/drivers/remoteproc/rcar_rproc.c
new file mode 100644
index 000000000000..aa86154109c7
--- /dev/null
+++ b/drivers/remoteproc/rcar_rproc.c
@@ -0,0 +1,224 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) IoT.bzh 2021
+ */
+
+#include <linux/limits.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/pm_runtime.h>
+#include <linux/remoteproc.h>
+#include <linux/reset.h>
+#include <linux/soc/renesas/rcar-rst.h>
+
+#include "remoteproc_internal.h"
+
+struct rcar_rproc {
+ struct reset_control *rst;
+};
+
+static int rcar_rproc_mem_alloc(struct rproc *rproc,
+ struct rproc_mem_entry *mem)
+{
+ struct device *dev = &rproc->dev;
+ void *va;
+
+ dev_dbg(dev, "map memory: %pa+%zx\n", &mem->dma, mem->len);
+ va = ioremap_wc(mem->dma, mem->len);
+ if (!va) {
+ dev_err(dev, "Unable to map memory region: %pa+%zx\n",
+ &mem->dma, mem->len);
+ return -ENOMEM;
+ }
+
+ /* Update memory entry va */
+ mem->va = va;
+
+ return 0;
+}
+
+static int rcar_rproc_mem_release(struct rproc *rproc,
+ struct rproc_mem_entry *mem)
+{
+ dev_dbg(&rproc->dev, "unmap memory: %pa\n", &mem->dma);
+ iounmap(mem->va);
+
+ return 0;
+}
+
+static int rcar_rproc_prepare(struct rproc *rproc)
+{
+ struct device *dev = rproc->dev.parent;
+ struct device_node *np = dev->of_node;
+ struct of_phandle_iterator it;
+ struct rproc_mem_entry *mem;
+ struct reserved_mem *rmem;
+ u32 da;
+
+ /* Register associated reserved memory regions */
+ of_phandle_iterator_init(&it, np, "memory-region", NULL, 0);
+ while (of_phandle_iterator_next(&it) == 0) {
+
+ rmem = of_reserved_mem_lookup(it.node);
+ if (!rmem) {
+ dev_err(&rproc->dev,
+ "unable to acquire memory-region\n");
+ return -EINVAL;
+ }
+
+ if (rmem->base > U32_MAX)
+ return -EINVAL;
+
+ /* No need to translate pa to da, R-Car use same map */
+ da = rmem->base;
+ mem = rproc_mem_entry_init(dev, NULL,
+ rmem->base,
+ rmem->size, da,
+ rcar_rproc_mem_alloc,
+ rcar_rproc_mem_release,
+ it.node->name);
+
+ if (!mem)
+ return -ENOMEM;
+
+ rproc_add_carveout(rproc, mem);
+ }
+
+ return 0;
+}
+
+static int rcar_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
+{
+ int ret;
+
+ ret = rproc_elf_load_rsc_table(rproc, fw);
+ if (ret)
+ dev_info(&rproc->dev, "No resource table in elf\n");
+
+ return 0;
+}
+
+static int rcar_rproc_start(struct rproc *rproc)
+{
+ struct rcar_rproc *priv = rproc->priv;
+ int err;
+
+ if (!rproc->bootaddr)
+ return -EINVAL;
+
+ err = rcar_rst_set_rproc_boot_addr(rproc->bootaddr);
+ if (err) {
+ dev_err(&rproc->dev, "failed to set rproc boot addr\n");
+ return err;
+ }
+
+ err = reset_control_deassert(priv->rst);
+ if (err)
+ dev_err(&rproc->dev, "failed to deassert reset\n");
+
+ return err;
+}
+
+static int rcar_rproc_stop(struct rproc *rproc)
+{
+ struct rcar_rproc *priv = rproc->priv;
+ int err;
+
+ err = reset_control_assert(priv->rst);
+ if (err)
+ dev_err(&rproc->dev, "failed to assert reset\n");
+
+ return err;
+}
+
+static struct rproc_ops rcar_rproc_ops = {
+ .prepare = rcar_rproc_prepare,
+ .start = rcar_rproc_start,
+ .stop = rcar_rproc_stop,
+ .load = rproc_elf_load_segments,
+ .parse_fw = rcar_rproc_parse_fw,
+ .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
+ .sanity_check = rproc_elf_sanity_check,
+ .get_boot_addr = rproc_elf_get_boot_addr,
+
+};
+
+static int rcar_rproc_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct rcar_rproc *priv;
+ struct rproc *rproc;
+ int ret;
+
+ rproc = devm_rproc_alloc(dev, np->name, &rcar_rproc_ops,
+ NULL, sizeof(*priv));
+ if (!rproc)
+ return -ENOMEM;
+
+ priv = rproc->priv;
+
+ priv->rst = devm_reset_control_get_exclusive(dev, NULL);
+ if (IS_ERR(priv->rst)) {
+ ret = PTR_ERR(priv->rst);
+ dev_err_probe(dev, ret, "fail to acquire rproc reset\n");
+ return ret;
+ }
+
+ pm_runtime_enable(dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret) {
+ dev_err(dev, "failed to power up\n");
+ return ret;
+ }
+
+ dev_set_drvdata(dev, rproc);
+
+ /* Manually start the rproc */
+ rproc->auto_boot = false;
+
+ ret = devm_rproc_add(dev, rproc);
+ if (ret) {
+ dev_err(dev, "rproc_add failed\n");
+ goto pm_disable;
+ }
+
+ return 0;
+
+pm_disable:
+ pm_runtime_disable(dev);
+
+ return ret;
+}
+
+static int rcar_rproc_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+
+ pm_runtime_disable(dev);
+
+ return 0;
+}
+
+static const struct of_device_id rcar_rproc_of_match[] = {
+ { .compatible = "renesas,rcar-cr7" },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, rcar_rproc_of_match);
+
+static struct platform_driver rcar_rproc_driver = {
+ .probe = rcar_rproc_probe,
+ .remove = rcar_rproc_remove,
+ .driver = {
+ .name = "rcar-rproc",
+ .of_match_table = rcar_rproc_of_match,
+ },
+};
+
+module_platform_driver(rcar_rproc_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Renesas R-Car Gen3 remote processor control driver");
+MODULE_AUTHOR("Julien Massot <julien.massot@iot.bzh>");
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 775df165eb45..69f51acf235e 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -577,8 +577,8 @@ static int rproc_handle_vdev(struct rproc *rproc, void *ptr,
dma_get_mask(rproc->dev.parent));
if (ret) {
dev_warn(dev,
- "Failed to set DMA mask %llx. Trying to continue... %x\n",
- dma_get_mask(rproc->dev.parent), ret);
+ "Failed to set DMA mask %llx. Trying to continue... (%pe)\n",
+ dma_get_mask(rproc->dev.parent), ERR_PTR(ret));
}
/* parse the vrings */
diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
index c892f433a323..4b093420d98a 100644
--- a/drivers/remoteproc/remoteproc_coredump.c
+++ b/drivers/remoteproc/remoteproc_coredump.c
@@ -166,7 +166,7 @@ static void rproc_copy_segment(struct rproc *rproc, void *dest,
memset(dest, 0xff, size);
} else {
if (is_iomem)
- memcpy_fromio(dest, ptr, size);
+ memcpy_fromio(dest, (void const __iomem *)ptr, size);
else
memcpy(dest, ptr, size);
}
diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
index 22096adc1ad3..4ed9467897e5 100644
--- a/drivers/remoteproc/st_slim_rproc.c
+++ b/drivers/remoteproc/st_slim_rproc.c
@@ -216,7 +216,7 @@ static const struct rproc_ops slim_rproc_ops = {
* obtains and enables any clocks required by the SLIM core and also
* ioremaps the various IO.
*
- * Returns st_slim_rproc pointer or PTR_ERR() on error.
+ * Return: st_slim_rproc pointer or PTR_ERR() on error.
*/
struct st_slim_rproc *st_slim_rproc_alloc(struct platform_device *pdev,
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index b643efcf995a..7d782ed9e589 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -494,7 +494,7 @@ static int stm32_rproc_stop(struct rproc *rproc)
int err, idx;
/* request shutdown of the remote processor */
- if (rproc->state != RPROC_OFFLINE) {
+ if (rproc->state != RPROC_OFFLINE && rproc->state != RPROC_CRASHED) {
idx = stm32_rproc_mbox_idx(rproc, STM32_MBX_SHUTDOWN);
if (idx >= 0 && ddata->mb[idx].chan) {
err = mbox_send_message(ddata->mb[idx].chan, "detach");
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index c352fa277c8d..939c5d90b562 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -767,6 +767,7 @@ static const struct k3_dsp_dev_data c71_data = {
static const struct of_device_id k3_dsp_of_match[] = {
{ .compatible = "ti,j721e-c66-dsp", .data = &c66_data, },
{ .compatible = "ti,j721e-c71-dsp", .data = &c71_data, },
+ { .compatible = "ti,j721s2-c71-dsp", .data = &c71_data, },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, k3_dsp_of_match);
diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c
index 6499302d00c3..969531c05b13 100644
--- a/drivers/remoteproc/ti_k3_r5_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c
@@ -1535,7 +1535,7 @@ static const struct k3_r5_soc_data am65_j721e_soc_data = {
.single_cpu_mode = false,
};
-static const struct k3_r5_soc_data j7200_soc_data = {
+static const struct k3_r5_soc_data j7200_j721s2_soc_data = {
.tcm_is_double = true,
.tcm_ecc_autoinit = true,
.single_cpu_mode = false,
@@ -1550,8 +1550,9 @@ static const struct k3_r5_soc_data am64_soc_data = {
static const struct of_device_id k3_r5_of_match[] = {
{ .compatible = "ti,am654-r5fss", .data = &am65_j721e_soc_data, },
{ .compatible = "ti,j721e-r5fss", .data = &am65_j721e_soc_data, },
- { .compatible = "ti,j7200-r5fss", .data = &j7200_soc_data, },
+ { .compatible = "ti,j7200-r5fss", .data = &j7200_j721s2_soc_data, },
{ .compatible = "ti,am64-r5fss", .data = &am64_soc_data, },
+ { .compatible = "ti,j721s2-r5fss", .data = &j7200_j721s2_soc_data, },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, k3_r5_of_match);