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-rw-r--r--include/mpc5xxx.h18
1 files changed, 18 insertions, 0 deletions
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