Changeset 4c754f6 in mainline for kernel/genarch/include/drivers/am335x/cm_dpll.h

Timestamp:

2013-02-11T22:55:29Z (11 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

0f66886

Parents:

40762c6

Message:

Improve the dmtimer modules initialization.

File:

• kernel/genarch/include/drivers/am335x/cm_dpll.h (modified) (1 diff)

kernel/genarch/include/drivers/am335x/cm_dpll.h

@@ -37 +37 @@
 #define _KERN_AM335X_CM_DPLL_H_
 
-#include <drivers/am335x/cm_dpll_regs.h>
+#include "cm_dpll_regs.h"
+#include "timer.h"
 
 #define AM335x_CM_DPLL_BASE_ADDRESS   0x44E00500
 #define AM335x_CM_DPLL_SIZE           256
+
+static ioport32_t *am335x_cm_dpll_timer_reg_get(am335x_cm_dpll_regs_t *cm,
+    am335x_timer_id_t id)
+{
+        switch (id) {
+        default:
+                return NULL;
+        case DMTIMER2:
+                return &cm->clksel_timer2;
+        case DMTIMER3:
+                return &cm->clksel_timer3;
+        case DMTIMER4:
+                return &cm->clksel_timer4;
+        case DMTIMER5:
+                return &cm->clksel_timer5;
+        case DMTIMER6:
+                return &cm->clksel_timer6;
+        case DMTIMER7:
+                return &cm->clksel_timer7;
+        }
+}
+
+static void am335x_clock_source_select(am335x_cm_dpll_regs_t *cm,
+    am335x_timer_id_t id, am335x_clk_src_t src)
+{
+        ioport32_t *reg = am335x_cm_dpll_timer_reg_get(cm, id);
+        if (!reg)
+                return;
+
+        *reg = (*reg & ~0x03) | src;
+}
 
 #endif