aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGreg Ungerer <gerg@uclinux.org>2009-07-07 12:13:23 +1000
committerGreg Ungerer <gerg@uclinux.org>2009-09-16 09:43:54 +1000
commit49802967cb7ec4f36a64e192108babe1c3b67e8e (patch)
tree4e869066f37e6215f7dd6c66c76395f7b1332c92
parent9075216d2c8761c91dc268125f6580af3ffc58b5 (diff)
m68knommu: remove ColdFire direct interrupt register access
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>
-rw-r--r--arch/m68knommu/platform/5272/config.c65
-rw-r--r--drivers/net/fec.c18
2 files changed, 11 insertions, 72 deletions
diff --git a/arch/m68knommu/platform/5272/config.c b/arch/m68knommu/platform/5272/config.c
index b16add9aa4e..59278c0887d 100644
--- a/arch/m68knommu/platform/5272/config.c
+++ b/arch/m68knommu/platform/5272/config.c
@@ -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;
}
diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index c9fd82d3a80..a32230bbe19 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -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 */