[POWERPC] 8xx: Add pin and clock setting functions.

These let board code set up pins and clocks without having to
put magic numbers directly into the registers.

The clock function is mostly duplicated from the cpm2 version;
hopefully this stuff can be merged at some point.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/include/asm-powerpc/commproc.h b/include/asm-powerpc/commproc.h
index 86fcf265c54a..5dec32404fa2 100644
--- a/include/asm-powerpc/commproc.h
+++ b/include/asm-powerpc/commproc.h
@@ -691,4 +691,53 @@ extern void cpm_free_handler(int vec);
 
 #define IMAP_ADDR               (get_immrbase())
 
+#define CPM_PIN_INPUT     0
+#define CPM_PIN_OUTPUT    1
+#define CPM_PIN_PRIMARY   0
+#define CPM_PIN_SECONDARY 2
+#define CPM_PIN_GPIO      4
+#define CPM_PIN_OPENDRAIN 8
+
+enum cpm_port {
+        CPM_PORTA,
+        CPM_PORTB,
+        CPM_PORTC,
+        CPM_PORTD,
+        CPM_PORTE,
+};
+
+void cpm1_set_pin(enum cpm_port port, int pin, int flags);
+
+enum cpm_clk_dir {
+        CPM_CLK_RX,
+        CPM_CLK_TX,
+        CPM_CLK_RTX
+};
+
+enum cpm_clk_target {
+        CPM_CLK_SCC1,
+        CPM_CLK_SCC2,
+        CPM_CLK_SCC3,
+        CPM_CLK_SCC4,
+        CPM_CLK_SMC1,
+        CPM_CLK_SMC2,
+};
+
+enum cpm_clk {
+        CPM_BRG1,       /* Baud Rate Generator  1 */
+        CPM_BRG2,       /* Baud Rate Generator  2 */
+        CPM_BRG3,       /* Baud Rate Generator  3 */
+        CPM_BRG4,       /* Baud Rate Generator  4 */
+        CPM_CLK1,       /* Clock  1 */
+        CPM_CLK2,       /* Clock  2 */
+        CPM_CLK3,       /* Clock  3 */
+        CPM_CLK4,       /* Clock  4 */
+        CPM_CLK5,       /* Clock  5 */
+        CPM_CLK6,       /* Clock  6 */
+        CPM_CLK7,       /* Clock  7 */
+        CPM_CLK8,       /* Clock  8 */
+};
+
+int cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode);
+
 #endif /* __CPM_8XX__ */