From: Peng Fan <peng.fan@nxp.com>
To: bjorn.andersson@linaro.org, mathieu.poirier@linaro.org,
o.rempel@pengutronix.de, robh+dt@kernel.org
Cc: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
linux-arm-kernel@lists.infradead.org, Peng Fan <peng.fan@nxp.com>,
Richard Zhu <hongxing.zhu@nxp.com>
Subject: [PATCH V2 2/7] remoteproc: imx_rproc: add elf memory hooks
Date: Sun, 27 Sep 2020 14:41:26 +0800 [thread overview]
Message-ID: <20200927064131.24101-3-peng.fan@nxp.com> (raw)
In-Reply-To: <20200927064131.24101-1-peng.fan@nxp.com>
Add elf memory hooks according to elf_mem_hook setting in the platform
configuration dcfg.
Acked-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
drivers/remoteproc/imx_rproc.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 8957ed271d20..d1abb253b499 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -6,6 +6,7 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/interrupt.h>
+#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
@@ -76,6 +77,7 @@ struct imx_rproc_dcfg {
u32 src_stop;
const struct imx_rproc_att *att;
size_t att_size;
+ bool elf_mem_hook;
};
struct imx_rproc {
@@ -310,6 +312,16 @@ static int imx_rproc_addr_init(struct imx_rproc *priv,
return 0;
}
+static void imx_rproc_memcpy(struct rproc *rproc, void *dest, const void *src, size_t count)
+{
+ memcpy_toio((void * __iomem)dest, src, count);
+}
+
+static void imx_rproc_memset(struct rproc *rproc, void *s, int c, size_t count)
+{
+ memset_io((void * __iomem)s, c, count);
+}
+
static int imx_rproc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -340,6 +352,11 @@ static int imx_rproc_probe(struct platform_device *pdev)
goto err_put_rproc;
}
+ if (dcfg->elf_mem_hook) {
+ rproc->ops->elf_memcpy = imx_rproc_memcpy;
+ rproc->ops->elf_memset = imx_rproc_memset;
+ }
+
priv = rproc->priv;
priv->rproc = rproc;
priv->regmap = regmap;
--
2.28.0
next prev parent reply other threads:[~2020-09-27 6:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-27 6:41 [PATCH V2 0/7] remoteproc: imx_rproc: support iMX8MQ/M Peng Fan
2020-09-27 6:41 ` [PATCH V2 1/7] remoteproc: elf: support platform specific memory hook Peng Fan
2020-10-19 16:58 ` Mathieu Poirier
2020-09-27 6:41 ` Peng Fan [this message]
2020-09-27 6:41 ` [PATCH V2 3/7] remoteproc: imx_rproc: correct err message Peng Fan
2020-09-27 6:41 ` [PATCH V2 4/7] remoteproc: imx_rproc: use devm_ioremap Peng Fan
2020-10-19 17:24 ` Mathieu Poirier
2020-09-27 6:41 ` [PATCH V2 5/7] remoteproc: imx_rproc: add i.MX specific parse fw hook Peng Fan
2020-10-19 17:48 ` Mathieu Poirier
2020-09-27 6:41 ` [PATCH V2 6/7] remoteproc: imx_rproc: support i.MX8MQ/M Peng Fan
2020-10-19 17:59 ` Mathieu Poirier
2020-09-27 6:41 ` [PATCH V2 7/7] remoteproc: imx_proc: enable virtio/mailbox Peng Fan
2020-10-19 20:12 ` Mathieu Poirier
2020-10-08 0:52 ` [PATCH V2 0/7] remoteproc: imx_rproc: support iMX8MQ/M Peng Fan
2020-10-08 14:40 ` Mathieu Poirier
2020-10-09 2:02 ` Peng Fan
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