linux-kernel - [PATCH 2/2] remoteproc: imx

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Date:   Tue, 28 Jul 2020 17:31:13 +0800
From:   peng.fan@....com
To:     ohad@...ery.com, bjorn.andersson@...aro.org, robh+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, mathieu.poirier@...aro.org,
        o.rempel@...gutronix.de
Cc:     linux-imx@....com, linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH 2/2] remoteproc: imx_rproc: add elf memory hooks

From: Peng Fan <peng.fan@....com>

Please not apply 2/2 for now, this 2/2 has not gone through
test on all i.MX8 platforms.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/remoteproc/imx_rproc.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 8957ed271d20..8ad860c65256 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>
@@ -241,10 +242,22 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
 	return va;
 }
 
+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 const struct rproc_ops imx_rproc_ops = {
 	.start		= imx_rproc_start,
 	.stop		= imx_rproc_stop,
 	.da_to_va       = imx_rproc_da_to_va,
+	.memset		= imx_rproc_memset,
+	.memcpy		= imx_rproc_memcpy,
 };
 
 static int imx_rproc_addr_init(struct imx_rproc *priv,
-- 
2.16.4