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| author | Greg Ungerer <gerg@uclinux.org> | 2011-12-23 15:55:49 +0100 |
|---|---|---|
| committer | Greg Ungerer <gerg@uclinux.org> | 2012-03-05 00:43:06 +0100 |
| commit | 43d94b7f929aa293e8d4845d0b7f754b534d4575 (patch) | |
| tree | 55805d8ad330a2f9be18a9194197219b64e440fc /arch/m68k | |
| parent | m68knommu: simplify the 520x UART setup code (diff) | |
| download | linux-43d94b7f929aa293e8d4845d0b7f754b534d4575.tar.xz linux-43d94b7f929aa293e8d4845d0b7f754b534d4575.zip | |
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>
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/platform/5249/config.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/arch/m68k/platform/5249/config.c b/arch/m68k/platform/5249/config.c index b74092a20d2d..913160c3f46c 100644 --- a/arch/m68k/platform/5249/config.c +++ b/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); } /***************************************************************************/ |