arm64: zynqmp: nand: Fixed NAND erase issue for size 1GiB or more
NAND erase was not happening for size 1GiB or more. Erase
command was executing successfully but in actual, it was not
erasing.
This patch fixed erase issue for 1 GiB or more size nand.
Signed-off-by: Vipul Kumar <vipulk@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/mtd/nand/arasan_nfc.c b/drivers/mtd/nand/arasan_nfc.c
index 3c9a021..9c82c7d 100644
--- a/drivers/mtd/nand/arasan_nfc.c
+++ b/drivers/mtd/nand/arasan_nfc.c
@@ -86,7 +86,7 @@
#define ARASAN_NAND_CMD_ADDR_CYCL_MASK 0x70000000
#define ARASAN_NAND_CMD_ADDR_CYCL_SHIFT 28
-#define ARASAN_NAND_MEM_ADDR1_PAGE_MASK 0xFFFF0000
+#define ARASAN_NAND_MEM_ADDR1_PAGE_MASK 0xFFFF
#define ARASAN_NAND_MEM_ADDR1_COL_MASK 0xFFFF
#define ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT 16
#define ARASAN_NAND_MEM_ADDR2_PAGE_MASK 0xFF
@@ -795,10 +795,11 @@
writel(reg_val, &arasan_nand_base->cmd_reg);
- page = (page_addr << ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT) &
+ page = (page_addr >> ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT) &
ARASAN_NAND_MEM_ADDR1_PAGE_MASK;
column = page_addr & ARASAN_NAND_MEM_ADDR1_COL_MASK;
- writel(page | column, &arasan_nand_base->memadr_reg1);
+ writel(column | (page << ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT),
+ &arasan_nand_base->memadr_reg1);
reg_val = readl(&arasan_nand_base->memadr_reg2);
reg_val &= ~ARASAN_NAND_MEM_ADDR2_PAGE_MASK;