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Commit b77fb7fa authored by Greg Ungerer's avatar Greg Ungerer
Browse files

m68knommu: simplify the 5407 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: default avatarGreg Ungerer <gerg@uclinux.org>
parent a75bc619

arch/m68k/platform/5407/config.c

+9 −18
Original line number Diff line number Diff line
@@ -44,26 +44,17 @@ static struct platform_device *m5407_devices[] __initdata = { 


/***************************************************************************/



static void __init m5407_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 m5407_uarts_init(void)

{

	const int nrlines = ARRAY_SIZE(m5407_uart_platform);

	int line;

	/* 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);



	for (line = 0; (line < nrlines); line++)

		m5407_uart_init_line(line, m5407_uart_platform[line].irq);

	/* 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);

}



/***************************************************************************/