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

peng.fan
2020-07-28T09:35:47Z

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@nxp.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,