IP core. Please find details on the "Embedded Peripherals IP
User Guide" of Altera.
+config ATCSPI200_SPI
+ bool "Andestech ATCSPI200 SPI driver"
+ help
+ Enable the Andestech ATCSPI200 SPI driver. This driver can be
+ used to access the SPI flash on AE3XX and AE250 platforms embedding
+ this Andestech IP core.
+
config ATH79_SPI
bool "Atheros SPI driver"
depends on ARCH_ATH79
used to access the SPI NOR flash on platforms embedding this
Freescale IP core.
-config ATCSPI200_SPI
- bool "Andestech ATCSPI200 SPI driver"
- help
- Enable the Andestech ATCSPI200 SPI driver. This driver can be
- used to access the SPI flash on AE3XX and AE250 platforms embedding
- this Andestech IP core.
-
config DAVINCI_SPI
bool "Davinci & Keystone SPI driver"
depends on ARCH_DAVINCI || ARCH_KEYSTONE
};
struct nds_spi_slave {
-#ifndef CONFIG_DM_SPI
- struct spi_slave slave;
-#endif
volatile struct atcspi200_spi_regs *regs;
int to;
unsigned int freq;
return ret;
}
-#ifndef CONFIG_DM_SPI
-#define to_nds_spi_slave(s) container_of(s, struct nds_spi_slave, slave)
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
- unsigned int max_hz, unsigned int mode)
-{
- struct nds_spi_slave *ns;
-
- if (!spi_cs_is_valid(bus, cs))
- return NULL;
-
- ns = spi_alloc_slave(struct nds_spi_slave, bus, cs);
- if (!ns)
- return NULL;
-
- switch (bus) {
- case SPI0_BUS:
- ns->regs = (struct atcspi200_spi_regs *)SPI0_BASE;
- break;
-
- case SPI1_BUS:
- ns->regs = (struct atcspi200_spi_regs *)SPI1_BASE;
- break;
-
- default:
- return NULL;
- }
-
- ns->freq= max_hz;
- ns->mode = mode;
- ns->to = SPI_TIMEOUT;
- ns->max_transfer_length = MAX_TRANSFER_LEN;
- ns->slave.max_write_size = MAX_TRANSFER_LEN;
-
- return &ns->slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
- struct nds_spi_slave *ns = to_nds_spi_slave(slave);
- free(ns);
-}
-
-void spi_init(void)
-{
- /* do nothing */
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
- struct nds_spi_slave *ns = to_nds_spi_slave(slave);
- return __atcspi200_spi_claim_bus(ns);
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
- struct nds_spi_slave *ns = to_nds_spi_slave(slave);
- __atcspi200_spi_release_bus(ns);
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *data_out,
- void *data_in, unsigned long flags)
-{
- struct nds_spi_slave *ns = to_nds_spi_slave(slave);
- return __atcspi200_spi_xfer(ns, bitlen, data_out, data_in, flags);
-}
-
-int spi_cs_is_valid(unsigned int bus, unsigned int cs)
-{
- return bus == 0 && cs < NSPI_MAX_CS_NUM;
-}
-
-void spi_cs_activate(struct spi_slave *slave)
-{
- struct nds_spi_slave *ns = to_nds_spi_slave(slave);
- __atcspi200_spi_start(ns);
-}
-
-void spi_cs_deactivate(struct spi_slave *slave)
-{
- struct nds_spi_slave *ns = to_nds_spi_slave(slave);
- __atcspi200_spi_stop(ns);
-}
-#else
static int atcspi200_spi_set_speed(struct udevice *bus, uint max_hz)
{
struct nds_spi_slave *ns = dev_get_priv(bus);
.priv_auto_alloc_size = sizeof(struct nds_spi_slave),
.probe = atcspi200_spi_probe,
};
-#endif