driver/spi: fsl_qspi: Remove non-DM stuff

Convert fsl_qspi.c to complete DM mode.

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Tested-by: Rajat Srivastava <rajat.srivastava@nxp.com>
Tested-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
This commit is contained in:
Ashish Kumar 2018-09-07 09:49:34 +05:30 committed by Jagan Teki
parent 6ac5909f51
commit 4ccb2f2115

View File

@ -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, &regs->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, &regs->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, &regs->sfa1ad,
FSL_QSPI_FLASH_SIZE | amba_bases[bus]);
qspi_write32(qspi->priv.flags, &regs->sfa2ad,
FSL_QSPI_FLASH_SIZE | amba_bases[bus]);
qspi_write32(qspi->priv.flags, &regs->sfb1ad,
total_size | amba_bases[bus]);
qspi_write32(qspi->priv.flags, &regs->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