From patchwork Tue May 26 17:44:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 246600 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Tue, 26 May 2020 23:14:36 +0530 Subject: [PATCH 01/14] spi: fsl_dspi: Drop nondm code In-Reply-To: <20200526174444.262050-1-jagan@amarulasolutions.com> References: <20200526174444.262050-1-jagan@amarulasolutions.com> Message-ID: <20200526174444.262050-2-jagan@amarulasolutions.com> Drop the nondm code from fsl_dspi.c since there is no board or any other code using it. Signed-off-by: Jagan Teki --- drivers/spi/fsl_dspi.c | 132 ----------------------------------------- 1 file changed, 132 deletions(-) diff --git a/drivers/spi/fsl_dspi.c b/drivers/spi/fsl_dspi.c index 1cdb233110..78ad61ca37 100644 --- a/drivers/spi/fsl_dspi.c +++ b/drivers/spi/fsl_dspi.c @@ -100,13 +100,6 @@ struct fsl_dspi_priv { struct dspi *regs; }; -#ifndef CONFIG_DM_SPI -struct fsl_dspi { - struct spi_slave slave; - struct fsl_dspi_priv priv; -}; -#endif - __weak void cpu_dspi_port_conf(void) { } @@ -414,131 +407,7 @@ static int fsl_dspi_cfg_speed(struct fsl_dspi_priv *priv, uint speed) return 0; } -#ifndef CONFIG_DM_SPI -int spi_cs_is_valid(unsigned int bus, unsigned int cs) -{ - if (((cs >= 0) && (cs < 8)) && ((bus >= 0) && (bus < 8))) - return 1; - else - return 0; -} - -struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, - unsigned int max_hz, unsigned int mode) -{ - struct fsl_dspi *dspi; - uint mcr_cfg_val; - - dspi = spi_alloc_slave(struct fsl_dspi, bus, cs); - if (!dspi) - return NULL; - - cpu_dspi_port_conf(); - -#ifdef CONFIG_SYS_FSL_DSPI_BE - dspi->priv.flags |= DSPI_FLAG_REGMAP_ENDIAN_BIG; -#endif - - dspi->priv.regs = (struct dspi *)MMAP_DSPI; - -#ifdef CONFIG_M68K - dspi->priv.bus_clk = gd->bus_clk; -#else - dspi->priv.bus_clk = mxc_get_clock(MXC_DSPI_CLK); -#endif - dspi->priv.speed_hz = FSL_DSPI_DEFAULT_SCK_FREQ; - - /* default: all CS signals inactive state is high */ - mcr_cfg_val = DSPI_MCR_MSTR | DSPI_MCR_PCSIS_MASK | - DSPI_MCR_CRXF | DSPI_MCR_CTXF; - fsl_dspi_init_mcr(&dspi->priv, mcr_cfg_val); - - for (i = 0; i < FSL_DSPI_MAX_CHIPSELECT; i++) - dspi->priv.ctar_val[i] = DSPI_CTAR_DEFAULT_VALUE; - -#ifdef CONFIG_SYS_DSPI_CTAR0 - if (FSL_DSPI_MAX_CHIPSELECT > 0) - dspi->priv.ctar_val[0] = CONFIG_SYS_DSPI_CTAR0; -#endif -#ifdef CONFIG_SYS_DSPI_CTAR1 - if (FSL_DSPI_MAX_CHIPSELECT > 1) - dspi->priv.ctar_val[1] = CONFIG_SYS_DSPI_CTAR1; -#endif -#ifdef CONFIG_SYS_DSPI_CTAR2 - if (FSL_DSPI_MAX_CHIPSELECT > 2) - dspi->priv.ctar_val[2] = CONFIG_SYS_DSPI_CTAR2; -#endif -#ifdef CONFIG_SYS_DSPI_CTAR3 - if (FSL_DSPI_MAX_CHIPSELECT > 3) - dspi->priv.ctar_val[3] = CONFIG_SYS_DSPI_CTAR3; -#endif -#ifdef CONFIG_SYS_DSPI_CTAR4 - if (FSL_DSPI_MAX_CHIPSELECT > 4) - dspi->priv.ctar_val[4] = CONFIG_SYS_DSPI_CTAR4; -#endif -#ifdef CONFIG_SYS_DSPI_CTAR5 - if (FSL_DSPI_MAX_CHIPSELECT > 5) - dspi->priv.ctar_val[5] = CONFIG_SYS_DSPI_CTAR5; -#endif -#ifdef CONFIG_SYS_DSPI_CTAR6 - if (FSL_DSPI_MAX_CHIPSELECT > 6) - dspi->priv.ctar_val[6] = CONFIG_SYS_DSPI_CTAR6; -#endif -#ifdef CONFIG_SYS_DSPI_CTAR7 - if (FSL_DSPI_MAX_CHIPSELECT > 7) - dspi->priv.ctar_val[7] = CONFIG_SYS_DSPI_CTAR7; -#endif - fsl_dspi_cfg_speed(&dspi->priv, max_hz); - - /* configure transfer mode */ - fsl_dspi_cfg_ctar_mode(&dspi->priv, cs, mode); - - /* configure active state of CSX */ - fsl_dspi_cfg_cs_active_state(&dspi->priv, cs, mode); - - return &dspi->slave; -} - -void spi_free_slave(struct spi_slave *slave) -{ - free(slave); -} - -int spi_claim_bus(struct spi_slave *slave) -{ - uint sr_val; - struct fsl_dspi *dspi = (struct fsl_dspi *)slave; - - cpu_dspi_claim_bus(slave->bus, slave->cs); - - fsl_dspi_clr_fifo(&dspi->priv); - - /* check module TX and RX status */ - sr_val = dspi_read32(dspi->priv.flags, &dspi->priv.regs->sr); - if ((sr_val & DSPI_SR_TXRXS) != DSPI_SR_TXRXS) { - debug("DSPI RX/TX not ready!\n"); - return -EIO; - } - - return 0; -} - -void spi_release_bus(struct spi_slave *slave) -{ - struct fsl_dspi *dspi = (struct fsl_dspi *)slave; - - dspi_halt(&dspi->priv, 1); - cpu_dspi_release_bus(slave->bus.slave->cs); -} - -int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, - void *din, unsigned long flags) -{ - struct fsl_dspi *dspi = (struct fsl_dspi *)slave; - return dspi_xfer(&dspi->priv, slave->cs, bitlen, dout, din, flags); -} -#else static int fsl_dspi_child_pre_probe(struct udevice *dev) { struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev); @@ -745,4 +614,3 @@ U_BOOT_DRIVER(fsl_dspi) = { .child_pre_probe = fsl_dspi_child_pre_probe, .bind = fsl_dspi_bind, }; -#endif