@@ -226,6 +226,13 @@ config NXP_FSPI
Enable the NXP FlexSPI (FSPI) driver. This driver can be used to
access the SPI NOR flash on platforms embedding this NXP IP core.
+config OMAP3_SPI
+ bool "McSPI driver for OMAP"
+ help
+ SPI master controller for OMAP24XX and later Multichannel SPI
+ (McSPI). This driver be used to access SPI chips on platforms
+ embedding this OMAP3 McSPI IP core.
+
config PIC32_SPI
bool "Microchip PIC32 SPI driver"
depends on MACH_PIC32
@@ -429,11 +436,4 @@ config MXC_SPI
Enable the MXC SPI controller driver. This driver can be used
on various i.MX SoCs such as i.MX31/35/51/6/7.
-config OMAP3_SPI
- bool "McSPI driver for OMAP"
- help
- SPI master controller for OMAP24XX and later Multichannel SPI
- (McSPI). This driver be used to access SPI chips on platforms
- embedding this OMAP3 McSPI IP core.
-
endif # menu "SPI Support"
@@ -25,16 +25,6 @@
DECLARE_GLOBAL_DATA_PTR;
-#if defined(CONFIG_AM33XX) || defined(CONFIG_AM43XX)
-#define OMAP3_MCSPI1_BASE 0x48030100
-#define OMAP3_MCSPI2_BASE 0x481A0100
-#else
-#define OMAP3_MCSPI1_BASE 0x48098000
-#define OMAP3_MCSPI2_BASE 0x4809A000
-#define OMAP3_MCSPI3_BASE 0x480B8000
-#define OMAP3_MCSPI4_BASE 0x480BA000
-#endif
-
#define OMAP4_MCSPI_REG_OFFSET 0x100
struct omap2_mcspi_platform_config {
@@ -109,9 +99,6 @@ struct mcspi {
};
struct omap3_spi_priv {
-#ifndef CONFIG_DM_SPI
- struct spi_slave slave;
-#endif
struct mcspi *regs;
unsigned int cs;
unsigned int freq;
@@ -455,128 +442,6 @@ static void _omap3_spi_claim_bus(struct omap3_spi_priv *priv)
writel(conf, &priv->regs->modulctrl);
}
-#ifndef CONFIG_DM_SPI
-
-static inline struct omap3_spi_priv *to_omap3_spi(struct spi_slave *slave)
-{
- return container_of(slave, struct omap3_spi_priv, slave);
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
- struct omap3_spi_priv *priv = to_omap3_spi(slave);
-
- free(priv);
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
- struct omap3_spi_priv *priv = to_omap3_spi(slave);
-
- spi_reset(priv->regs);
-
- _omap3_spi_claim_bus(priv);
- _omap3_spi_set_wordlen(priv);
- _omap3_spi_set_mode(priv);
- _omap3_spi_set_speed(priv);
-
- return 0;
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
- struct omap3_spi_priv *priv = to_omap3_spi(slave);
-
- writel(OMAP3_MCSPI_MODULCTRL_MS, &priv->regs->modulctrl);
-}
-
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
- unsigned int max_hz, unsigned int mode)
-{
- struct omap3_spi_priv *priv;
- struct mcspi *regs;
-
- /*
- * OMAP3 McSPI (MultiChannel SPI) has 4 busses (modules)
- * with different number of chip selects (CS, channels):
- * McSPI1 has 4 CS (bus 0, cs 0 - 3)
- * McSPI2 has 2 CS (bus 1, cs 0 - 1)
- * McSPI3 has 2 CS (bus 2, cs 0 - 1)
- * McSPI4 has 1 CS (bus 3, cs 0)
- */
-
- switch (bus) {
- case 0:
- regs = (struct mcspi *)OMAP3_MCSPI1_BASE;
- break;
-#ifdef OMAP3_MCSPI2_BASE
- case 1:
- regs = (struct mcspi *)OMAP3_MCSPI2_BASE;
- break;
-#endif
-#ifdef OMAP3_MCSPI3_BASE
- case 2:
- regs = (struct mcspi *)OMAP3_MCSPI3_BASE;
- break;
-#endif
-#ifdef OMAP3_MCSPI4_BASE
- case 3:
- regs = (struct mcspi *)OMAP3_MCSPI4_BASE;
- break;
-#endif
- default:
- printf("SPI error: unsupported bus %i. Supported busses 0 - 3\n", bus);
- return NULL;
- }
-
- if (((bus == 0) && (cs > 3)) ||
- ((bus == 1) && (cs > 1)) ||
- ((bus == 2) && (cs > 1)) ||
- ((bus == 3) && (cs > 0))) {
- printf("SPI error: unsupported chip select %i on bus %i\n", cs, bus);
- return NULL;
- }
-
- if (max_hz > OMAP3_MCSPI_MAX_FREQ) {
- printf("SPI error: unsupported frequency %i Hz. Max frequency is 48 MHz\n",
- max_hz);
- return NULL;
- }
-
- if (mode > SPI_MODE_3) {
- printf("SPI error: unsupported SPI mode %i\n", mode);
- return NULL;
- }
-
- priv = spi_alloc_slave(struct omap3_spi_priv, bus, cs);
- if (!priv) {
- printf("SPI error: malloc of SPI structure failed\n");
- return NULL;
- }
-
- priv->regs = regs;
- priv->cs = cs;
- priv->freq = max_hz;
- priv->mode = mode;
- priv->wordlen = priv->slave.wordlen;
-#if 0
- /* Please migrate to DM_SPI support for this feature. */
- priv->pin_dir = MCSPI_PINDIR_D0_OUT_D1_IN;
-#endif
-
- return &priv->slave;
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
- const void *dout, void *din, unsigned long flags)
-{
- struct omap3_spi_priv *priv = to_omap3_spi(slave);
-
- return _spi_xfer(priv, bitlen, dout, din, flags);
-}
-
-#else
-
static int omap3_spi_claim_bus(struct udevice *dev)
{
struct udevice *bus = dev->parent;
@@ -701,4 +566,3 @@ U_BOOT_DRIVER(omap3_spi) = {
.ops = &omap3_spi_ops,
.priv_auto_alloc_size = sizeof(struct omap3_spi_priv),
};
-#endif
Now all boards are using this omap3 spi driver in dm model, so drop the nondm code. Signed-off-by: Jagan Teki <jagan at amarulasolutions.com> --- drivers/spi/Kconfig | 14 ++--- drivers/spi/omap3_spi.c | 136 ---------------------------------------- 2 files changed, 7 insertions(+), 143 deletions(-)