[2/2] remoteproc: imx_rproc: add elf memory hooks

Commit Message

Peng Fan July 28, 2020, 9:29 a.m. UTC

From: Peng Fan <[e-mail]>

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 <[e-mail]>
---
 drivers/remoteproc/imx_rproc.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

Patch

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,