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m68knommu: clean up ColdFire 523x interrupt setup

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With the common intc-2 interrupt controller code in place the ColdFire
523x family startup code can be greatly simplified. Remove all the
interrupt masking code, and the per-device interrupt config here.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer 2009-04-28 15:59:10 +10:00
parent 980f9235eb
commit 1f946533bb
1 changed files with 0 additions and 63 deletions
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63
arch/m68knommu/platform/523x/config.c
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@ -82,66 +82,6 @@ static struct platform_device *m523x_devices[] __initdata = {
/***************************************************************************/
#define INTC0 (MCF_MBAR + MCFICM_INTC0)
static void __init m523x_uart_init_line(int line, int irq)
{
u32 imr;
if ((line < 0) || (line > 2))
return;
writeb(0x30+line, (INTC0 + MCFINTC_ICR0 + MCFINT_UART0 + line));
imr = readl(INTC0 + MCFINTC_IMRL);
imr &= ~((1 << (irq - MCFINT_VECBASE)) | 1);
writel(imr, INTC0 + MCFINTC_IMRL);
}
static void __init m523x_uarts_init(void)
{
const int nrlines = ARRAY_SIZE(m523x_uart_platform);
int line;
for (line = 0; (line < nrlines); line++)
m523x_uart_init_line(line, m523x_uart_platform[line].irq);
}
/***************************************************************************/
static void __init m523x_fec_init(void)
{
u32 imr;
/* Unmask FEC interrupts at ColdFire interrupt controller */
writeb(0x28, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0 + 23);
writeb(0x27, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0 + 27);
writeb(0x26, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0 + 29);
imr = readl(MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH);
imr &= ~0xf;
writel(imr, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH);
imr = readl(MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRL);
imr &= ~0xff800001;
writel(imr, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRL);
}
/***************************************************************************/
void mcf_disableall(void)
{
*((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH)) = 0xffffffff;
*((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRL)) = 0xffffffff;
}
/***************************************************************************/
void mcf_autovector(unsigned int vec)
{
/* Everything is auto-vectored on the 523x */
}
/***************************************************************************/
static void m523x_cpu_reset(void)
{
local_irq_disable();
@ -152,10 +92,7 @@ static void m523x_cpu_reset(void)
void __init config_BSP(char *commandp, int size)
{
mcf_disableall();
mach_reset = m523x_cpu_reset;
m523x_uarts_init();
m523x_fec_init();
}
/***************************************************************************/