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mtd: bcm47xxnflash: replace some magic numbers 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Rafał Miłecki 2014-08-19 11:28:24 +02:00 committed by Brian Norris
parent dfbd7dda0b
commit b7ab610f62
1 changed files with 6 additions and 4 deletions
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10
drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
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@ -24,6 +24,8 @@
#define NFLASH_SECTOR_SIZE 512
#define NCTL_CMD0 0x00010000
#define NCTL_COL 0x00020000 /* Update column with value from BCMA_CC_NFLASH_COL_ADDR */
#define NCTL_ROW 0x00040000 /* Update row (page) with value from BCMA_CC_NFLASH_ROW_ADDR */
#define NCTL_CMD1W 0x00080000
#define NCTL_READ 0x00100000
#define NCTL_WRITE 0x00200000
@ -110,7 +112,7 @@ static void bcm47xxnflash_ops_bcm4706_read(struct mtd_info *mtd, uint8_t *buf,
b47n->curr_page_addr);
/* Prepare to read */
ctlcode = NCTL_CSA | NCTL_CMD1W | 0x00040000 | 0x00020000 |
ctlcode = NCTL_CSA | NCTL_CMD1W | NCTL_ROW | NCTL_COL |
NCTL_CMD0;
ctlcode |= NAND_CMD_READSTART << 8;
if (bcm47xxnflash_ops_bcm4706_ctl_cmd(b47n->cc, ctlcode))
@ -274,7 +276,7 @@ static void bcm47xxnflash_ops_bcm4706_cmdfunc(struct mtd_info *mtd,
case NAND_CMD_ERASE1:
bcma_cc_write32(cc, BCMA_CC_NFLASH_ROW_ADDR,
b47n->curr_page_addr);
ctlcode = 0x00040000 | NCTL_CMD1W | NCTL_CMD0 |
ctlcode = NCTL_ROW | NCTL_CMD1W | NCTL_CMD0 |
NAND_CMD_ERASE1 | (NAND_CMD_ERASE2 << 8);
if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, ctlcode))
pr_err("ERASE1 failed\n");
@ -289,13 +291,13 @@ static void bcm47xxnflash_ops_bcm4706_cmdfunc(struct mtd_info *mtd,
b47n->curr_page_addr);
/* Prepare to write */
ctlcode = 0x40000000 | 0x00040000 | 0x00020000 | 0x00010000;
ctlcode = 0x40000000 | NCTL_ROW | NCTL_COL | NCTL_CMD0;
ctlcode |= NAND_CMD_SEQIN;
if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, ctlcode))
pr_err("SEQIN failed\n");
break;
case NAND_CMD_PAGEPROG:
if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, 0x00010000 |
if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, NCTL_CMD0 |
NAND_CMD_PAGEPROG))
pr_err("PAGEPROG failed\n");
if (bcm47xxnflash_ops_bcm4706_poll(cc))