From 4ccb2f21153fdaab55b189117b9cbeeb233324e1 Mon Sep 17 00:00:00 2001 From: Ashish Kumar Date: Fri, 7 Sep 2018 09:49:34 +0530 Subject: [PATCH] driver/spi: fsl_qspi: Remove non-DM stuff Convert fsl_qspi.c to complete DM mode. Signed-off-by: Ashish Kumar Tested-by: Rajat Srivastava Tested-by: Ye Li Reviewed-by: Jagan Teki --- drivers/spi/fsl_qspi.c | 138 ------------------------------------------------- 1 file changed, 138 deletions(-) diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c index 197f41f..1598c4f 100644 --- a/drivers/spi/fsl_qspi.c +++ b/drivers/spi/fsl_qspi.c @@ -84,7 +84,6 @@ DECLARE_GLOBAL_DATA_PTR; /* QSPI max chipselect signals number */ #define FSL_QSPI_MAX_CHIPSELECT_NUM 4 -#ifdef CONFIG_DM_SPI /** * struct fsl_qspi_platdata - platform data for Freescale QSPI * @@ -105,7 +104,6 @@ struct fsl_qspi_platdata { u32 flash_num; u32 num_chipselect; }; -#endif /** * struct fsl_qspi_priv - private data for Freescale QSPI @@ -136,12 +134,6 @@ struct fsl_qspi_priv { struct fsl_qspi_regs *regs; }; -#ifndef CONFIG_DM_SPI -struct fsl_qspi { - struct spi_slave slave; - struct fsl_qspi_priv priv; -}; -#endif static u32 qspi_read32(u32 flags, u32 *addr) { @@ -869,136 +861,7 @@ void qspi_cfg_smpr(struct fsl_qspi_priv *priv, u32 clear_bits, u32 set_bits) smpr_val |= set_bits; qspi_write32(priv->flags, &priv->regs->smpr, smpr_val); } -#ifndef CONFIG_DM_SPI -static unsigned long spi_bases[] = { - QSPI0_BASE_ADDR, -#ifdef CONFIG_MX6SX - QSPI1_BASE_ADDR, -#endif -}; - -static unsigned long amba_bases[] = { - QSPI0_AMBA_BASE, -#ifdef CONFIG_MX6SX - QSPI1_AMBA_BASE, -#endif -}; - -static inline struct fsl_qspi *to_qspi_spi(struct spi_slave *slave) -{ - return container_of(slave, struct fsl_qspi, slave); -} - -struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, - unsigned int max_hz, unsigned int mode) -{ - u32 mcr_val; - struct fsl_qspi *qspi; - struct fsl_qspi_regs *regs; - u32 total_size; - - if (bus >= ARRAY_SIZE(spi_bases)) - return NULL; - - if (cs >= FSL_QSPI_FLASH_NUM) - return NULL; - - qspi = spi_alloc_slave(struct fsl_qspi, bus, cs); - if (!qspi) - return NULL; - -#ifdef CONFIG_SYS_FSL_QSPI_BE - qspi->priv.flags |= QSPI_FLAG_REGMAP_ENDIAN_BIG; -#endif - - regs = (struct fsl_qspi_regs *)spi_bases[bus]; - qspi->priv.regs = regs; - /* - * According cs, use different amba_base to choose the - * corresponding flash devices. - * - * If not, only one flash device is used even if passing - * different cs using `sf probe` - */ - qspi->priv.cur_amba_base = amba_bases[bus] + cs * FSL_QSPI_FLASH_SIZE; - - qspi->slave.max_write_size = TX_BUFFER_SIZE; - - mcr_val = qspi_read32(qspi->priv.flags, ®s->mcr); - - /* Set endianness to LE for i.mx */ - if (IS_ENABLED(CONFIG_MX6) || IS_ENABLED(CONFIG_MX7)) - mcr_val = QSPI_MCR_END_CFD_LE; - - qspi_write32(qspi->priv.flags, ®s->mcr, - QSPI_MCR_RESERVED_MASK | QSPI_MCR_MDIS_MASK | - (mcr_val & QSPI_MCR_END_CFD_MASK)); - - qspi_cfg_smpr(&qspi->priv, - ~(QSPI_SMPR_FSDLY_MASK | QSPI_SMPR_DDRSMP_MASK | - QSPI_SMPR_FSPHS_MASK | QSPI_SMPR_HSENA_MASK), 0); - - total_size = FSL_QSPI_FLASH_SIZE * FSL_QSPI_FLASH_NUM; - /* - * Any read access to non-implemented addresses will provide - * undefined results. - * - * In case single die flash devices, TOP_ADDR_MEMA2 and - * TOP_ADDR_MEMB2 should be initialized/programmed to - * TOP_ADDR_MEMA1 and TOP_ADDR_MEMB1 respectively - in effect, - * setting the size of these devices to 0. This would ensure - * that the complete memory map is assigned to only one flash device. - */ - qspi_write32(qspi->priv.flags, ®s->sfa1ad, - FSL_QSPI_FLASH_SIZE | amba_bases[bus]); - qspi_write32(qspi->priv.flags, ®s->sfa2ad, - FSL_QSPI_FLASH_SIZE | amba_bases[bus]); - qspi_write32(qspi->priv.flags, ®s->sfb1ad, - total_size | amba_bases[bus]); - qspi_write32(qspi->priv.flags, ®s->sfb2ad, - total_size | amba_bases[bus]); - - qspi_set_lut(&qspi->priv); - -#ifdef CONFIG_SYS_FSL_QSPI_AHB - qspi_init_ahb_read(&qspi->priv); -#endif - - qspi_module_disable(&qspi->priv, 0); - - return &qspi->slave; -} - -void spi_free_slave(struct spi_slave *slave) -{ - struct fsl_qspi *qspi = to_qspi_spi(slave); - - free(qspi); -} -int spi_claim_bus(struct spi_slave *slave) -{ - return 0; -} - -void spi_release_bus(struct spi_slave *slave) -{ - /* Nothing to do */ -} - -int spi_xfer(struct spi_slave *slave, unsigned int bitlen, - const void *dout, void *din, unsigned long flags) -{ - struct fsl_qspi *qspi = to_qspi_spi(slave); - - return qspi_xfer(&qspi->priv, bitlen, dout, din, flags); -} - -void spi_init(void) -{ - /* Nothing to do */ -} -#else static int fsl_qspi_child_pre_probe(struct udevice *dev) { struct spi_slave *slave = dev_get_parent_priv(dev); @@ -1265,4 +1128,3 @@ U_BOOT_DRIVER(fsl_qspi) = { .probe = fsl_qspi_probe, .child_pre_probe = fsl_qspi_child_pre_probe, }; -#endif