spi/mpc5121: Add SPI master driver for MPC5121 PSC

Signed-off-by: John Rigby <jcrigby@gmail.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

arch/powerpc/include/asm/mpc52xx_psc.h

@@ -248,6 +248,7 @@ struct mpc52xx_psc_fifo {
 	u16		tflwfptr;	/* PSC + 0x9e */
 };
 
+#define MPC512x_PSC_FIFO_EOF		0x100
 #define MPC512x_PSC_FIFO_RESET_SLICE	0x80
 #define MPC512x_PSC_FIFO_ENABLE_SLICE	0x01
 #define MPC512x_PSC_FIFO_ENABLE_DMA	0x04

drivers/spi/Kconfig

@@ -175,6 +175,13 @@ config SPI_MPC52xx_PSC
 	  This enables using the Freescale MPC52xx Programmable Serial
 	  Controller in master SPI mode.
 
+config SPI_MPC512x_PSC
+	tristate "Freescale MPC512x PSC SPI controller"
+	depends on SPI_MASTER && PPC_MPC512x
+	help
+	  This enables using the Freescale MPC5121 Programmable Serial
+	  Controller in SPI master mode.
+
 config SPI_MPC8xxx
 	tristate "Freescale MPC8xxx SPI controller"
 	depends on FSL_SOC

drivers/spi/Makefile

@@ -31,6 +31,7 @@ obj-$(CONFIG_SPI_OMAP24XX)		+= omap2_mcspi.o
 obj-$(CONFIG_SPI_OMAP_100K)		+= omap_spi_100k.o
 obj-$(CONFIG_SPI_ORION)			+= orion_spi.o
 obj-$(CONFIG_SPI_PL022)			+= amba-pl022.o
+obj-$(CONFIG_SPI_MPC512x_PSC)		+= mpc512x_psc_spi.o
 obj-$(CONFIG_SPI_MPC52xx_PSC)		+= mpc52xx_psc_spi.o
 obj-$(CONFIG_SPI_MPC52xx)		+= mpc52xx_spi.o
 obj-$(CONFIG_SPI_MPC8xxx)		+= spi_mpc8xxx.o