fec: add FEC platform support to ColdFire CPU's setup code

m68knommu: add FEC platform support to ColdFire CPU's setup code

Move the per-CPU FEC driver setup code into the actual platform
setup code for each ColdFire CPU varient.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 56 insertions, 0 deletions

diff --git a/arch/m68knommu/platform/520x/config.c b/arch/m68knommu/platform/520x/config.c
index 06d887cdcbfb..855fc6a79d72 100644
--- a/arch/m68knommu/platform/520x/config.c
+++ b/arch/m68knommu/platform/520x/config.c
@@ -49,8 +49,39 @@ static struct platform_device m520x_uart = {
         .dev.platform_data      = m520x_uart_platform,
 };
 
+static struct resource m520x_fec_resources[] = {
+        {
+                .start          = MCF_MBAR + 0x30000,
+                .end            = MCF_MBAR + 0x30000 + 0x7ff,
+                .flags          = IORESOURCE_MEM,
+        },
+        {
+                .start          = 64 + 36,
+                .end            = 64 + 36,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 64 + 40,
+                .end            = 64 + 40,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 64 + 42,
+                .end            = 64 + 42,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device m520x_fec = {
+        .name                   = "fec",
+        .id                     = 0,
+        .num_resources          = ARRAY_SIZE(m520x_fec_resources),
+        .resource               = m520x_fec_resources,
+};
+
 static struct platform_device *m520x_devices[] __initdata = {
         &m520x_uart,
+        &m520x_fec,
 };
 
 /***************************************************************************/
@@ -103,6 +134,30 @@ static void __init m520x_uarts_init(void)
 
 /***************************************************************************/
 
+static void __init m520x_fec_init(void)
+{
+        u32 imr;
+        u8 v;
+
+        /* Unmask FEC interrupts at ColdFire interrupt controller */
+        writeb(0x4, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0 + 36);
+        writeb(0x4, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0 + 40);
+        writeb(0x4, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0 + 42);
+
+        imr = readl(MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH);
+        imr &= ~0x0001FFF0;
+        writel(imr, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH);
+
+        /* Set multi-function pins to ethernet mode */
+        v = readb(MCF_IPSBAR + MCF_GPIO_PAR_FEC);
+        writeb(v | 0xf0, MCF_IPSBAR + MCF_GPIO_PAR_FEC);
+
+        v = readb(MCF_IPSBAR + MCF_GPIO_PAR_FECI2C);
+        writeb(v | 0x0f, MCF_IPSBAR + MCF_GPIO_PAR_FECI2C);
+}
+
+/***************************************************************************/
+
 /*
  *  Program the vector to be an auto-vectored.
  */
@@ -118,6 +173,7 @@ void __init config_BSP(char *commandp, int size)
 {
         mach_reset = coldfire_reset;
         m520x_uarts_init();
+        m520x_fec_init();
 }
 
 /***************************************************************************/