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| author | Peng Fan <Peng.Fan@freescale.com> | 2014-09-26 14:39:34 +0800 |
|---|---|---|
| committer | Peng Fan <Peng.Fan@freescale.com> | 2014-10-08 10:48:07 +0800 |
| commit | 7c174401a2607924bbe186d2b62bf1f325cbf24d (patch) | |
| tree | 2141247b8b653ed932ca21a6c5d259a2ee37f4a4 | |
| parent | e28661b64230b913978ea1090d7d744cc34ea1a7 (diff) | |
| download | u-boot-imx-7c174401a2607924bbe186d2b62bf1f325cbf24d.zip u-boot-imx-7c174401a2607924bbe186d2b62bf1f325cbf24d.tar.gz u-boot-imx-7c174401a2607924bbe186d2b62bf1f325cbf24d.tar.bz2 | |
MLK-9636 QuadSPI: add 4k erase support
OPCODE_BE_4K is supported. To qspi flashes which support 4k sector
erase, spi framework will use OPCODE_BE_4K command. Thus add this
support to let uboot can erase such qspi flashes.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
| -rw-r--r-- | drivers/spi/fsl_qspi.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c index a01867e..07374df 100644 --- a/drivers/spi/fsl_qspi.c +++ b/drivers/spi/fsl_qspi.c @@ -179,6 +179,7 @@ #define SEQID_WRSR 8 #define SEQID_RDCR 9 #define SEQID_DDR_QUAD_READ 10 +#define SEQID_BE_4K 11 /* Flash opcodes. */ #define OPCODE_WREN 0x06 /* Write enable */ @@ -368,6 +369,15 @@ static void fsl_qspi_init_lut(struct fsl_qspi *q) writel(LUT0(JMP_ON_CS, PAD1, 0), base + QUADSPI_LUT(lut_base + 2)); + /* SUB SECTOR 4K ERASE */ + lut_base = SEQID_BE_4K * 4; + cmd = OPCODE_BE_4K; + addrlen = ADDR24BIT; + + writel(LUT0(CMD, PAD1, cmd) | LUT1(ADDR, PAD1, addrlen), + base + QUADSPI_LUT(lut_base)); + + fsl_qspi_lock_lut(q); } @@ -577,6 +587,8 @@ static int fsl_qspi_get_seqid(struct fsl_qspi *q, u8 cmd) return SEQID_RDCR; case OPCODE_DDR_QUAD_READ: return SEQID_DDR_QUAD_READ; + case OPCODE_BE_4K: + return SEQID_BE_4K; default: break; } @@ -670,7 +682,7 @@ fsl_qspi_runcmd(struct fsl_qspi *q, u8 cmd, unsigned int addr, int len) /* restore the MCR */ writel(reg, base + QUADSPI_MCR); - if (OPCODE_SE == cmd || OPCODE_PP == cmd) + if ((OPCODE_SE == cmd) || (OPCODE_PP == cmd) || (OPCODE_BE_4K == cmd)) fsl_qspi_invalid(q); return err; } |