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m68knommu: simplify the 5249 UART setup code

Simplify the UART setup code so that it no longer loops for each UART
present. Just make it do all the work it needs in a single function.
This will make the code easier to share when we move to a single set
of platform data for ColdFire UARTs.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Greg Ungerer 13 年之前
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共有 1 个文件被更改,包括 9 次插入18 次删除
  1. 9 18
      arch/m68k/platform/5249/config.c

+ 9 - 18
arch/m68k/platform/5249/config.c

@@ -234,26 +234,17 @@ static struct platform_device *m5249_devices[] __initdata = {
 
 /***************************************************************************/
 
-static void __init m5249_uart_init_line(int line, int irq)
-{
-	if (line == 0) {
-		writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
-		writeb(irq, MCFUART_BASE0 + MCFUART_UIVR);
-		mcf_mapirq2imr(irq, MCFINTC_UART0);
-	} else if (line == 1) {
-		writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
-		writeb(irq, MCFUART_BASE1 + MCFUART_UIVR);
-		mcf_mapirq2imr(irq, MCFINTC_UART1);
-	}
-}
-
 static void __init m5249_uarts_init(void)
 {
-	const int nrlines = ARRAY_SIZE(m5249_uart_platform);
-	int line;
-
-	for (line = 0; (line < nrlines); line++)
-		m5249_uart_init_line(line, m5249_uart_platform[line].irq);
+	/* UART0 interrupt setup */
+	writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
+	writeb(MCF_IRQ_UART0, MCFUART_BASE0 + MCFUART_UIVR);
+	mcf_mapirq2imr(MCF_IRQ_UART0, MCFINTC_UART0);
+
+	/* UART1 interrupt setup */
+	writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
+	writeb(MCF_IRQ_UART1, MCFUART_BASE1 + MCFUART_UIVR);
+	mcf_mapirq2imr(MCF_IRQ_UART1, MCFINTC_UART1);
 }
 
 /***************************************************************************/