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m68knommu: remove ColdFire direct interrupt register access

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Now that the ColdFire 5272 has full interrupt controller functionality
we can remove all the interrupt masking and acking code from the FEC
ethernet driver.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer 2009-07-07 12:13:23 +10:00
parent 9075216d2c
commit 49802967cb
2 changed files with 11 additions and 72 deletions
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65
arch/m68knommu/platform/5272/config.c
View File

@ -31,11 +31,11 @@ unsigned char ledbank = 0xff;
static struct mcf_platform_uart m5272_uart_platform[] = {
{
.mapbase = MCF_MBAR + MCFUART_BASE1,
.irq = 73,
.irq = MCF_IRQ_UART1,
},
{
.mapbase = MCF_MBAR + MCFUART_BASE2,
.irq = 74,
.irq = MCF_IRQ_UART2,
},
{ },
};
@ -53,18 +53,18 @@ static struct resource m5272_fec_resources[] = {
.flags = IORESOURCE_MEM,
},
{
.start = 86,
.end = 86,
.start = MCF_IRQ_ERX,
.end = MCF_IRQ_ERX,
.flags = IORESOURCE_IRQ,
},
{
.start = 87,
.end = 87,
.start = MCF_IRQ_ETX,
.end = MCF_IRQ_ETX,
.flags = IORESOURCE_IRQ,
},
{
.start = 88,
.end = 88,
.start = MCF_IRQ_ENTC,
.end = MCF_IRQ_ENTC,
.flags = IORESOURCE_IRQ,
},
};
@ -88,9 +88,6 @@ static void __init m5272_uart_init_line(int line, int irq)
u32 v;
if ((line >= 0) && (line < 2)) {
v = (line) ? 0x0e000000 : 0xe0000000;
writel(v, MCF_MBAR + MCFSIM_ICR2);
/* Enable the output lines for the serial ports */
v = readl(MCF_MBAR + MCFSIM_PBCNT);
v = (v & ~0x000000ff) | 0x00000055;
@ -113,48 +110,6 @@ static void __init m5272_uarts_init(void)
/***************************************************************************/
static void __init m5272_fec_init(void)
{
u32 imr;
/* Unmask FEC interrupts at ColdFire interrupt controller */
imr = readl(MCF_MBAR + MCFSIM_ICR3);
imr = (imr & ~0x00000fff) | 0x00000ddd;
writel(imr, MCF_MBAR + MCFSIM_ICR3);
imr = readl(MCF_MBAR + MCFSIM_ICR1);
imr = (imr & ~0x0f000000) | 0x0d000000;
writel(imr, MCF_MBAR + MCFSIM_ICR1);
}
/***************************************************************************/
void mcf_disableall(void)
{
volatile unsigned long *icrp;
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
icrp[0] = 0x88888888;
icrp[1] = 0x88888888;
icrp[2] = 0x88888888;
icrp[3] = 0x88888888;
}
/***************************************************************************/
static void __init m5272_timers_init(void)
{
/* Timer1 @ level6 is always used as system timer */
writel((0x8 | 0x6) << ((4 - 1) * 4), MCF_MBAR + MCFSIM_ICR1);
#ifdef CONFIG_HIGHPROFILE
/* Timer2 @ level7 is to be used as a high speed profile timer */
writel((0x8 | 0x7) << ((4 - 2) * 4), MCF_MBAR + MCFSIM_ICR1);
#endif
}
/***************************************************************************/
static void m5272_cpu_reset(void)
{
local_irq_disable();
@ -178,8 +133,6 @@ void __init config_BSP(char *commandp, int size)
*pivrp = 0x40;
#endif
mcf_disableall();
#if defined(CONFIG_NETtel) || defined(CONFIG_SCALES)
/* Copy command line from FLASH to local buffer... */
memcpy(commandp, (char *) 0xf0004000, size);
@ -191,7 +144,6 @@ void __init config_BSP(char *commandp, int size)
#endif
mach_reset = m5272_cpu_reset;
m5272_timers_init();
}
/***************************************************************************/
@ -199,7 +151,6 @@ void __init config_BSP(char *commandp, int size)
static int __init init_BSP(void)
{
m5272_uarts_init();
m5272_fec_init();
platform_add_devices(m5272_devices, ARRAY_SIZE(m5272_devices));
return 0;
}

18
drivers/net/fec.c
View File

@ -1142,19 +1142,9 @@ static void __inline__ fec_request_mii_intr(struct net_device *dev)
printk("FEC: Could not allocate fec(MII) IRQ(66)!\n");
}
static void __inline__ fec_disable_phy_intr(void)
static void __inline__ fec_disable_phy_intr(struct net_device *dev)
{
volatile unsigned long *icrp;
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
*icrp = 0x08000000;
}
static void __inline__ fec_phy_ack_intr(void)
{
volatile unsigned long *icrp;
/* Acknowledge the interrupt */
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
*icrp = 0x0d000000;
free_irq(66, dev);
}
#endif
@ -1386,7 +1376,7 @@ mii_discover_phy(uint mii_reg, struct net_device *dev)
writel(0, fep->hwp + FEC_MII_SPEED);
fep->phy_speed = 0;
#ifdef HAVE_mii_link_interrupt
fec_disable_phy_intr();
fec_disable_phy_intr(dev);
#endif
}
}
@ -1399,8 +1389,6 @@ mii_link_interrupt(int irq, void * dev_id)
struct net_device *dev = dev_id;
struct fec_enet_private *fep = netdev_priv(dev);
fec_phy_ack_intr();
mii_do_cmd(dev, fep->phy->ack_int);
mii_do_cmd(dev, phy_cmd_relink); /* restart and display status */