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Blackfin: bfin_nand: convert to portmux framework 

Rather than bang MMRs directly, use the new portmux framework to handle
the details.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Mike Frysinger 2010-06-02 05:59:06 -04:00
parent 8339ad7373
commit 253f47f3a7
1 changed files with 8 additions and 8 deletions
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16
drivers/mtd/nand/bfin_nand.c
View File

@ -26,6 +26,7 @@
#include <nand.h>
#include <asm/blackfin.h>
#include <asm/portmux.h>
/* Bit masks for NFC_CTL */
@ -337,6 +338,12 @@ static struct nand_ecclayout bootrom_ecclayout = {
*/
int board_nand_init(struct nand_chip *chip)
{
const unsigned short pins[] = {
P_NAND_CE, P_NAND_RB, P_NAND_D0, P_NAND_D1, P_NAND_D2,
P_NAND_D3, P_NAND_D4, P_NAND_D5, P_NAND_D6, P_NAND_D7,
P_NAND_WE, P_NAND_RE, P_NAND_CLE, P_NAND_ALE, 0,
};
pr_stamp();
/* set width/ecc/timings/etc... */
@ -347,14 +354,7 @@ int board_nand_init(struct nand_chip *chip)
bfin_write_NFC_IRQSTAT(0xffff);
/* enable GPIO function enable register */
#ifdef __ADSPBF54x__
bfin_write_PORTJ_FER(bfin_read_PORTJ_FER() | 6);
#elif defined(__ADSPBF52x__)
bfin_write_PORTH_FER(bfin_read_PORTH_FER() | 0xFCFF);
bfin_write_PORTH_MUX(0);
#else
# error no support for this variant
#endif
peripheral_request_list(pins, "bfin_nand");
chip->cmd_ctrl = bfin_nfc_cmd_ctrl;
chip->read_buf = bfin_nfc_read_buf;