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| author | Greg Ungerer <gerg@uclinux.org> | 2011-12-24 01:02:43 +1000 |
|---|---|---|
| committer | Greg Ungerer <gerg@uclinux.org> | 2012-03-05 09:43:07 +1000 |
| commit | 7bdebba492d92837e7f93e9a6ddfb11a498619b7 (patch) | |
| tree | fc8cbddae12e1d1df14d492d182bdb28fd54ef69 | |
| parent | cae82a836de23b611054af9d8a6c9aeb1db639e1 (diff) | |
| download | lwn-7bdebba492d92837e7f93e9a6ddfb11a498619b7.tar.gz lwn-7bdebba492d92837e7f93e9a6ddfb11a498619b7.zip | |
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>
| -rw-r--r-- | arch/m68k/platform/5307/config.c | 27 |
1 files changed, 9 insertions, 18 deletions
diff --git a/arch/m68k/platform/5307/config.c b/arch/m68k/platform/5307/config.c index dc9ecf07dd07..bad3c27a8a4e 100644 --- a/arch/m68k/platform/5307/config.c +++ b/arch/m68k/platform/5307/config.c @@ -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; - - for (line = 0; (line < nrlines); line++) - m5307_uart_init_line(line, m5307_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); } /***************************************************************************/ |