m68knommu: simplify the 5307 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>
This commit is contained in:
Greg Ungerer 2011-12-24 01:02:43 +10:00
parent cae82a836d
commit 7bdebba492

View File

@ -53,26 +53,17 @@ static struct platform_device *m5307_devices[] __initdata = {
/***************************************************************************/
static void __init m5307_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 m5307_uarts_init(void)
{
const int nrlines = ARRAY_SIZE(m5307_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++)
m5307_uart_init_line(line, m5307_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);
}
/***************************************************************************/