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authorRichard Weinberger <richard@nod.at>2020-10-11 22:08:21 +0200
committerRichard Weinberger <richard@nod.at>2020-10-11 22:08:21 +0200
commit9113ba38fb81bb0053e2baa3fa9d646d6f088bee (patch)
tree46ac2f7b95c0191243bf5592cda9216c222e3cca /include/linux/mtd
parent80510e25522949711410b37a7864f1b2d98215d8 (diff)
parent5de15b610f785f0e188fefb707f0b19de156968a (diff)
Merge tag 'cfi/for-5.10' of gitolite.kernel.org:pub/scm/linux/kernel/git/mtd/linux into mtd/next
HyperBus changes * DMA support for TI's AM654 HyperBus controller driver. * HyperBus frontend driver for Renesas RPC-IF driver.
Diffstat (limited to 'include/linux/mtd')
-rw-r--r--include/linux/mtd/hyperbus.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/mtd/hyperbus.h b/include/linux/mtd/hyperbus.h
index 2129f7d3b6eb..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,
@@ -20,6 +31,7 @@ enum hyperbus_memtype {
* @mtd: pointer to MTD struct
* @ctlr: pointer to HyperBus controller struct
* @memtype: type of memory device: HyperFlash or HyperRAM
+ * @priv: pointer to controller specific per device private data
*/
struct hyperbus_device {
@@ -28,6 +40,7 @@ struct hyperbus_device {
struct mtd_info *mtd;
struct hyperbus_ctlr *ctlr;
enum hyperbus_memtype memtype;
+ void *priv;
};
/**