From: Miquel Raynal <miquel.raynal@bootlin.com> To: Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, Tudor Ambarus <Tudor.Ambarus@microchip.com>, Pratyush Yadav <p.yadav@ti.com>, Michael Walle <michael@walle.cc>, <linux-mtd@lists.infradead.org>, Mark Brown <broonie@kernel.org>, <linux-spi@vger.kernel.org> Cc: Julien Su <juliensu@mxic.com.tw>, Jaime Liao <jaimeliao@mxic.com.tw>, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Boris Brezillon <boris.brezillon@collabora.com>, Xiangsheng Hou <xiangsheng.hou@mediatek.com>, Miquel Raynal <miquel.raynal@bootlin.com> Subject: [PATCH v9 10/13] spi: mxic: Create a helper to configure the controller before an operation Date: Tue, 4 Jan 2022 09:36:28 +0100 [thread overview] Message-ID: <20220104083631.40776-11-miquel.raynal@bootlin.com> (raw) In-Reply-To: <20220104083631.40776-1-miquel.raynal@bootlin.com> Create the mxic_spi_set_hc_cfg() helper to configure the HC_CFG register. This helper will soon be used by the dirmap implementation and having this code factorized out earlier will clarify this addition. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Mark Brown <broonie@kernel.org> --- drivers/spi/spi-mxic.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/drivers/spi/spi-mxic.c b/drivers/spi/spi-mxic.c index 22a82f5f74b5..c45f949a864d 100644 --- a/drivers/spi/spi-mxic.c +++ b/drivers/spi/spi-mxic.c @@ -280,6 +280,22 @@ static void mxic_spi_hw_init(struct mxic_spi *mxic) mxic->regs + HC_CFG); } +static u32 mxic_spi_prep_hc_cfg(struct spi_device *spi, u32 flags) +{ + int nio = 1; + + if (spi->mode & (SPI_TX_OCTAL | SPI_RX_OCTAL)) + nio = 8; + else if (spi->mode & (SPI_TX_QUAD | SPI_RX_QUAD)) + nio = 4; + else if (spi->mode & (SPI_TX_DUAL | SPI_RX_DUAL)) + nio = 2; + + return flags | HC_CFG_NIO(nio) | + HC_CFG_TYPE(spi->chip_select, HC_CFG_TYPE_SPI_NOR) | + HC_CFG_SLV_ACT(spi->chip_select) | HC_CFG_IDLE_SIO_LVL(1); +} + static int mxic_spi_data_xfer(struct mxic_spi *mxic, const void *txbuf, void *rxbuf, unsigned int len) { @@ -349,7 +365,7 @@ static int mxic_spi_mem_exec_op(struct spi_mem *mem, const struct spi_mem_op *op) { struct mxic_spi *mxic = spi_master_get_devdata(mem->spi->master); - int nio = 1, i, ret; + int i, ret; u32 ss_ctrl; u8 addr[8], cmd[2]; @@ -357,18 +373,9 @@ static int mxic_spi_mem_exec_op(struct spi_mem *mem, if (ret) return ret; - if (mem->spi->mode & (SPI_TX_OCTAL | SPI_RX_OCTAL)) - nio = 8; - else if (mem->spi->mode & (SPI_TX_QUAD | SPI_RX_QUAD)) - nio = 4; - else if (mem->spi->mode & (SPI_TX_DUAL | SPI_RX_DUAL)) - nio = 2; - - writel(HC_CFG_NIO(nio) | - HC_CFG_TYPE(mem->spi->chip_select, HC_CFG_TYPE_SPI_NOR) | - HC_CFG_SLV_ACT(mem->spi->chip_select) | HC_CFG_IDLE_SIO_LVL(1) | - HC_CFG_MAN_CS_EN, + writel(mxic_spi_prep_hc_cfg(mem->spi, HC_CFG_MAN_CS_EN), mxic->regs + HC_CFG); + writel(HC_EN_BIT, mxic->regs + HC_EN); ss_ctrl = OP_CMD_BYTES(op->cmd.nbytes) | -- 2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com> To: Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, Tudor Ambarus <Tudor.Ambarus@microchip.com>, Pratyush Yadav <p.yadav@ti.com>, Michael Walle <michael@walle.cc>, <linux-mtd@lists.infradead.org>, Mark Brown <broonie@kernel.org>, <linux-spi@vger.kernel.org> Cc: Julien Su <juliensu@mxic.com.tw>, Jaime Liao <jaimeliao@mxic.com.tw>, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Boris Brezillon <boris.brezillon@collabora.com>, Xiangsheng Hou <xiangsheng.hou@mediatek.com>, Miquel Raynal <miquel.raynal@bootlin.com> Subject: [PATCH v9 10/13] spi: mxic: Create a helper to configure the controller before an operation Date: Tue, 4 Jan 2022 09:36:28 +0100 [thread overview] Message-ID: <20220104083631.40776-11-miquel.raynal@bootlin.com> (raw) In-Reply-To: <20220104083631.40776-1-miquel.raynal@bootlin.com> Create the mxic_spi_set_hc_cfg() helper to configure the HC_CFG register. This helper will soon be used by the dirmap implementation and having this code factorized out earlier will clarify this addition. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Mark Brown <broonie@kernel.org> --- drivers/spi/spi-mxic.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/drivers/spi/spi-mxic.c b/drivers/spi/spi-mxic.c index 22a82f5f74b5..c45f949a864d 100644 --- a/drivers/spi/spi-mxic.c +++ b/drivers/spi/spi-mxic.c @@ -280,6 +280,22 @@ static void mxic_spi_hw_init(struct mxic_spi *mxic) mxic->regs + HC_CFG); } +static u32 mxic_spi_prep_hc_cfg(struct spi_device *spi, u32 flags) +{ + int nio = 1; + + if (spi->mode & (SPI_TX_OCTAL | SPI_RX_OCTAL)) + nio = 8; + else if (spi->mode & (SPI_TX_QUAD | SPI_RX_QUAD)) + nio = 4; + else if (spi->mode & (SPI_TX_DUAL | SPI_RX_DUAL)) + nio = 2; + + return flags | HC_CFG_NIO(nio) | + HC_CFG_TYPE(spi->chip_select, HC_CFG_TYPE_SPI_NOR) | + HC_CFG_SLV_ACT(spi->chip_select) | HC_CFG_IDLE_SIO_LVL(1); +} + static int mxic_spi_data_xfer(struct mxic_spi *mxic, const void *txbuf, void *rxbuf, unsigned int len) { @@ -349,7 +365,7 @@ static int mxic_spi_mem_exec_op(struct spi_mem *mem, const struct spi_mem_op *op) { struct mxic_spi *mxic = spi_master_get_devdata(mem->spi->master); - int nio = 1, i, ret; + int i, ret; u32 ss_ctrl; u8 addr[8], cmd[2]; @@ -357,18 +373,9 @@ static int mxic_spi_mem_exec_op(struct spi_mem *mem, if (ret) return ret; - if (mem->spi->mode & (SPI_TX_OCTAL | SPI_RX_OCTAL)) - nio = 8; - else if (mem->spi->mode & (SPI_TX_QUAD | SPI_RX_QUAD)) - nio = 4; - else if (mem->spi->mode & (SPI_TX_DUAL | SPI_RX_DUAL)) - nio = 2; - - writel(HC_CFG_NIO(nio) | - HC_CFG_TYPE(mem->spi->chip_select, HC_CFG_TYPE_SPI_NOR) | - HC_CFG_SLV_ACT(mem->spi->chip_select) | HC_CFG_IDLE_SIO_LVL(1) | - HC_CFG_MAN_CS_EN, + writel(mxic_spi_prep_hc_cfg(mem->spi, HC_CFG_MAN_CS_EN), mxic->regs + HC_CFG); + writel(HC_EN_BIT, mxic->regs + HC_EN); ss_ctrl = OP_CMD_BYTES(op->cmd.nbytes) | -- 2.27.0 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2022-01-04 8:36 UTC|newest] Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-04 8:36 [PATCH v9 00/13] External ECC engines & Macronix support Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 01/13] spi: spi-mem: Introduce a capability structure Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-05 5:52 ` Pratyush Yadav 2022-01-05 5:52 ` Pratyush Yadav 2022-01-26 10:53 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-26 16:35 ` Mark Brown 2022-01-26 16:35 ` Mark Brown 2022-01-26 17:36 ` Miquel Raynal 2022-01-26 17:36 ` Miquel Raynal 2022-01-26 17:41 ` Mark Brown 2022-01-26 17:41 ` Mark Brown 2022-01-27 9:20 ` Miquel Raynal 2022-01-27 9:20 ` Miquel Raynal 2022-01-27 9:37 ` Miquel Raynal 2022-01-27 9:37 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 02/13] spi: spi-mem: Check the controller extra capabilities Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-05 5:53 ` Pratyush Yadav 2022-01-05 5:53 ` Pratyush Yadav 2022-01-26 10:53 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 03/13] spi: cadence-quadspi: Provide a capability structure Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 04/13] spi: mxic: " Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 05/13] spi: spi-mem: Kill the spi_mem_dtr_supports_op() helper Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 06/13] spi: spi-mem: Add an ecc parameter to the spi_mem_op structure Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-04 9:02 ` Boris Brezillon 2022-01-04 9:02 ` Boris Brezillon 2022-01-04 9:24 ` Miquel Raynal 2022-01-04 9:24 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 07/13] mtd: spinand: Delay a little bit the dirmap creation Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-26 10:53 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 08/13] mtd: spinand: Create direct mapping descriptors for ECC operations Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 09/13] spi: mxic: Fix the transmit path Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal [this message] 2022-01-04 8:36 ` [PATCH v9 10/13] spi: mxic: Create a helper to configure the controller before an operation Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 11/13] spi: mxic: Create a helper to ease the start of " Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 12/13] spi: mxic: Add support for direct mapping Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-04 8:36 ` [PATCH v9 13/13] spi: mxic: Add support for pipelined ECC operations Miquel Raynal 2022-01-04 8:36 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-26 10:52 ` Miquel Raynal 2022-01-04 9:04 ` [PATCH v9 00/13] External ECC engines & Macronix support Boris Brezillon 2022-01-04 9:04 ` Boris Brezillon 2022-01-23 16:01 ` Miquel Raynal 2022-01-23 16:01 ` Miquel Raynal
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