m68knommu: simplify ColdFire "timers" clock initialization

The ColdFire "timers" clock setup can be simplified. There is really no
need for the flexible per-platform setup code. The clock interrupt can be
hard defined per CPU platform (in CPU include files). This makes the
actual timer code simpler.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>

1 files changed, 12 insertions, 27 deletions

diff --git a/arch/m68knommu/platform/5407/config.c b/arch/m68knommu/platform/5407/config.c
index 8aa94837bbc3..cc80029a4a00 100644
--- a/arch/m68knommu/platform/5407/config.c
+++ b/arch/m68knommu/platform/5407/config.c
@@ -20,12 +20,6 @@
 
 /***************************************************************************/
 
-extern unsigned int mcf_timervector;
-extern unsigned int mcf_profilevector;
-extern unsigned int mcf_timerlevel;
-
-/***************************************************************************/
-
 static struct mcf_platform_uart m5407_uart_platform[] = {
         {
                 .mapbase        = MCF_MBAR + MCFUART_BASE1,
@@ -59,6 +53,7 @@ static void __init m5407_uart_init_line(int line, int irq)
         } else if (line == 1) {
                 writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
                 writeb(irq, MCF_MBAR + MCFUART_BASE2 + MCFUART_UIVR);
+                mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
                 mcf_clrimr(MCFINTC_UART1);
         }
 }
@@ -74,21 +69,17 @@ static void __init m5407_uarts_init(void)
 
 /***************************************************************************/
 
-void mcf_settimericr(unsigned int timer, unsigned int level)
+static void __init m5407_timers_init(void)
 {
-        volatile unsigned char *icrp;
-        unsigned int icr, imr;
-
-        if (timer <= 2) {
-                switch (timer) {
-                case 2:  icr = MCFSIM_TIMER2ICR; imr = MCFINTC_TIMER2; break;
-                default: icr = MCFSIM_TIMER1ICR; imr = MCFINTC_TIMER1; break;
-                }
-
-                icrp = (volatile unsigned char *) (MCF_MBAR + icr);
-                *icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
-                mcf_clrimr(imr);
-        }
+        /* Timer1 is always used as system timer */
+        writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI3,
+                MCF_MBAR + MCFSIM_TIMER1ICR);
+
+#ifdef CONFIG_HIGHPROFILE
+        /* Timer2 is to be used as a high speed profile timer  */
+        writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL7 | MCFSIM_ICR_PRI3,
+                MCF_MBAR + MCFSIM_TIMER2ICR);
+#endif
 }
 
 /***************************************************************************/
@@ -106,14 +97,8 @@ void m5407_cpu_reset(void)
 
 void __init config_BSP(char *commandp, int size)
 {
-#if defined(CONFIG_CLEOPATRA)
-        /* Different timer setup - to prevent device clash */
-        mcf_timervector = 30;
-        mcf_profilevector = 31;
-        mcf_timerlevel = 6;
-#endif
-
         mach_reset = m5407_cpu_reset;
+        m5407_timers_init();
 }
 
 /***************************************************************************/