X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fspi.h;h=7887d0f9b842c48058f404fdf3075df792d50536;hb=9a276bb093581b6ad6321b539bdc958f73688a41;hp=7744c2e36b057c02e9d22be42be6a6dd6a1f330d;hpb=1730edf76c54381475e2da11f75b1ce563c4e62c;p=u-boot

diff --git a/include/spi.h b/include/spi.h
index 7744c2e36b..7887d0f9b8 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -24,6 +24,15 @@
 #ifndef _SPI_H_
 #define _SPI_H_
 
+/* Controller-specific definitions: */
+
+/* CONFIG_HARD_SPI triggers SPI bus initialization in PowerPC */
+#ifdef CONFIG_MPC8XXX_SPI
+# ifndef CONFIG_HARD_SPI
+#  define CONFIG_HARD_SPI
+# endif
+#endif
+
 /* SPI mode flags */
 #define	SPI_CPHA	0x01			/* clock phase */
 #define	SPI_CPOL	0x02			/* clock polarity */
@@ -166,6 +175,14 @@ void spi_cs_activate(struct spi_slave *slave);
  */
 void spi_cs_deactivate(struct spi_slave *slave);
 
+/*-----------------------------------------------------------------------
+ * Set transfer speed.
+ * This sets a new speed to be applied for next spi_xfer().
+ *   slave:	The SPI slave
+ *   hz:	The transfer speed
+ */
+void spi_set_speed(struct spi_slave *slave, uint hz);
+
 /*-----------------------------------------------------------------------
  * Write 8 bits, then read 8 bits.
  *   slave:	The SPI slave we're communicating with