mpc52xx: Add SPI driver.
Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
diff --git a/include/mpc5xxx.h b/include/mpc5xxx.h
index 463d5ae..476d149 100644
--- a/include/mpc5xxx.h
+++ b/include/mpc5xxx.h
@@ -392,6 +392,24 @@
#define I2C_IF 0x02
#define I2C_RXAK 0x01
+/* SPI control register 1 bits */
+#define SPI_CR_LSBFE 0x01
+#define SPI_CR_SSOE 0x02
+#define SPI_CR_CPHA 0x04
+#define SPI_CR_CPOL 0x08
+#define SPI_CR_MSTR 0x10
+#define SPI_CR_SWOM 0x20
+#define SPI_CR_SPE 0x40
+#define SPI_CR_SPIE 0x80
+
+/* SPI status register bits */
+#define SPI_SR_MODF 0x10
+#define SPI_SR_WCOL 0x40
+#define SPI_SR_SPIF 0x80
+
+/* SPI port data register bits */
+#define SPI_PDR_SS 0x08
+
/* Programmable Serial Controller (PSC) status register bits */
#define PSC_SR_CDE 0x0080
#define PSC_SR_RXRDY 0x0100