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MLK-11940: add two more commands support for qspi

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add two more commands support for qspi on kernel 4.1, read EVCR and
write EVCR.

Signed-off-by: Han Xu <b45815@freescale.com>
This commit is contained in:
Han Xu 2015-11-23 09:45:19 -06:00 committed by Jason Liu
parent 4188831115
commit dd88decb4c
1 changed files with 13 additions and 0 deletions
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13
drivers/mtd/spi-nor/fsl-quadspi.c
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@ -205,6 +205,8 @@
#define SEQID_RDCR 9
#define SEQID_EN4B 10
#define SEQID_BRWR 11
#define SEQID_RD_EVCR 12
#define SEQID_WD_EVCR 13
#define QUADSPI_MIN_IOMAP SZ_4M
@ -460,6 +462,13 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q)
qspi_writel(q, LUT0(CMD, PAD1, SPINOR_OP_BRWR),
base + QUADSPI_LUT(lut_base));
/* Read EVCR register */
lut_base = SEQID_RD_EVCR * 4;
writel(LUT0(CMD, PAD1, SPINOR_OP_RD_EVCR), base + QUADSPI_LUT(lut_base));
/* Write EVCR register */
lut_base = SEQID_WD_EVCR * 4;
writel(LUT0(CMD, PAD1, SPINOR_OP_WD_EVCR), base + QUADSPI_LUT(lut_base));
fsl_qspi_lock_lut(q);
}
@ -491,6 +500,10 @@ static int fsl_qspi_get_seqid(struct fsl_qspi *q, u8 cmd)
return SEQID_EN4B;
case SPINOR_OP_BRWR:
return SEQID_BRWR;
case SPINOR_OP_RD_EVCR:
return SEQID_RD_EVCR;
case SPINOR_OP_WD_EVCR:
return SEQID_WD_EVCR;
default:
if (cmd == q->nor[0].erase_opcode)
return SEQID_SE;