summaryrefslogtreecommitdiff
path: root/include/linux/mtd
diff options
context:
space:
mode:
authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2020-10-03 23:23:20 +0300
committerVignesh Raghavendra <vigneshr@ti.com>2020-10-06 12:36:21 +0530
commit5de15b610f785f0e188fefb707f0b19de156968a (patch)
tree599866949616d4eea84e19f9f1bb3b15ef3de514 /include/linux/mtd
parent00c9cf49a6136e0839eaa2c74fbd58c607318b2c (diff)
mtd: hyperbus: add Renesas RPC-IF driver
Add the HyperFLash driver for the Renesas RPC-IF. It's the "front end" driver using the "back end" APIs in the main driver to talk to the real hardware. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Link: https://lore.kernel.org/r/78abb851-2beb-fe7d-87e5-ce58ee877d35@gmail.com
Diffstat (limited to 'include/linux/mtd')
-rw-r--r--include/linux/mtd/hyperbus.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mtd/hyperbus.h b/include/linux/mtd/hyperbus.h
index d8cb1aec826d..0ce612428aea 100644
--- a/include/linux/mtd/hyperbus.h
+++ b/include/linux/mtd/hyperbus.h
@@ -8,6 +8,17 @@
#include <linux/mtd/map.h>
+/* HyperBus command bits */
+#define HYPERBUS_RW 0x80 /* R/W# */
+#define HYPERBUS_RW_WRITE 0
+#define HYPERBUS_RW_READ 0x80
+#define HYPERBUS_AS 0x40 /* Address Space */
+#define HYPERBUS_AS_MEM 0
+#define HYPERBUS_AS_REG 0x40
+#define HYPERBUS_BT 0x20 /* Burst Type */
+#define HYPERBUS_BT_WRAPPED 0
+#define HYPERBUS_BT_LINEAR 0x20
+
enum hyperbus_memtype {
HYPERFLASH,
HYPERRAM,