--- zzzz-none-000/linux-3.10.107/drivers/mtd/nand/gpmi-nand/gpmi-regs.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/mtd/nand/gpmi-nand/gpmi-regs.h	2021-02-04 17:41:59.000000000 +0000
@@ -108,6 +108,9 @@
 #define HW_GPMI_CTRL1_CLR				0x00000068
 #define HW_GPMI_CTRL1_TOG				0x0000006c
 
+#define BP_GPMI_CTRL1_DECOUPLE_CS			24
+#define BM_GPMI_CTRL1_DECOUPLE_CS	(1 << BP_GPMI_CTRL1_DECOUPLE_CS)
+
 #define BP_GPMI_CTRL1_WRN_DLY_SEL			22
 #define BM_GPMI_CTRL1_WRN_DLY_SEL	(0x3 << BP_GPMI_CTRL1_WRN_DLY_SEL)
 #define BF_GPMI_CTRL1_WRN_DLY_SEL(v)  \