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arm64: zynqmp: nand: Fixed NAND erase issue for size 1GiB or more

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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>
This commit is contained in:
Vipul Kumar 2018-03-05 15:24:59 +05:30 committed by Michal Simek
parent 2950e0b5a6
commit 2453c69518
1 changed files with 4 additions and 3 deletions
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7
drivers/mtd/nand/arasan_nfc.c
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@ -86,7 +86,7 @@ struct arasan_nand_command_format {
#define ARASAN_NAND_CMD_ADDR_CYCL_MASK 0x70000000 #define ARASAN_NAND_CMD_ADDR_CYCL_MASK 0x70000000
#define ARASAN_NAND_CMD_ADDR_CYCL_SHIFT 28 #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_COL_MASK 0xFFFF
#define ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT 16 #define ARASAN_NAND_MEM_ADDR1_PAGE_SHIFT 16
#define ARASAN_NAND_MEM_ADDR2_PAGE_MASK 0xFF #define ARASAN_NAND_MEM_ADDR2_PAGE_MASK 0xFF
@ -795,10 +795,11 @@ static int arasan_nand_erase(struct arasan_nand_command_format *curr_cmd,
writel(reg_val, &arasan_nand_base->cmd_reg); 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; ARASAN_NAND_MEM_ADDR1_PAGE_MASK;
column = page_addr & ARASAN_NAND_MEM_ADDR1_COL_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 = readl(&arasan_nand_base->memadr_reg2);
reg_val &= ~ARASAN_NAND_MEM_ADDR2_PAGE_MASK; reg_val &= ~ARASAN_NAND_MEM_ADDR2_PAGE_MASK;