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>

6 files changed, 374 insertions, 1 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();
 }
 
 /***************************************************************************/
diff --git a/arch/m68knommu/platform/523x/config.c b/arch/m68knommu/platform/523x/config.c
index 13f02611ea23..74133f27b30c 100644
--- a/arch/m68knommu/platform/523x/config.c
+++ b/arch/m68knommu/platform/523x/config.c
@@ -50,8 +50,39 @@ static struct platform_device m523x_uart = {
         .dev.platform_data      = m523x_uart_platform,
 };
 
+static struct resource m523x_fec_resources[] = {
+        {
+                .start          = MCF_MBAR + 0x1000,
+                .end            = MCF_MBAR + 0x1000 + 0x7ff,
+                .flags          = IORESOURCE_MEM,
+        },
+        {
+                .start          = 64 + 23,
+                .end            = 64 + 23,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 64 + 27,
+                .end            = 64 + 27,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 64 + 29,
+                .end            = 64 + 29,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device m523x_fec = {
+        .name                   = "fec",
+        .id                     = 0,
+        .num_resources          = ARRAY_SIZE(m523x_fec_resources),
+        .resource               = m523x_fec_resources,
+};
+
 static struct platform_device *m523x_devices[] __initdata = {
         &m523x_uart,
+        &m523x_fec,
 };
 
 /***************************************************************************/
@@ -83,6 +114,25 @@ static void __init m523x_uarts_init(void)
 
 /***************************************************************************/
 
+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;
@@ -103,6 +153,7 @@ void __init config_BSP(char *commandp, int size)
         mcf_disableall();
         mach_reset = coldfire_reset;
         m523x_uarts_init();
+        m523x_fec_init();
 }
 
 /***************************************************************************/
diff --git a/arch/m68knommu/platform/5272/config.c b/arch/m68knommu/platform/5272/config.c
index 230bae691a7f..e049245f4092 100644
--- a/arch/m68knommu/platform/5272/config.c
+++ b/arch/m68knommu/platform/5272/config.c
@@ -55,8 +55,39 @@ static struct platform_device m5272_uart = {
         .dev.platform_data      = m5272_uart_platform,
 };
 
+static struct resource m5272_fec_resources[] = {
+        {
+                .start          = MCF_MBAR + 0x840,
+                .end            = MCF_MBAR + 0x840 + 0x1cf,
+                .flags          = IORESOURCE_MEM,
+        },
+        {
+                .start          = 86,
+                .end            = 86,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 87,
+                .end            = 87,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 88,
+                .end            = 88,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device m5272_fec = {
+        .name                   = "fec",
+        .id                     = 0,
+        .num_resources          = ARRAY_SIZE(m5272_fec_resources),
+        .resource               = m5272_fec_resources,
+};
+
 static struct platform_device *m5272_devices[] __initdata = {
         &m5272_uart,
+        &m5272_fec,
 };
 
 /***************************************************************************/
@@ -91,6 +122,22 @@ 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;
@@ -155,6 +202,7 @@ 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/arch/m68knommu/platform/527x/config.c b/arch/m68knommu/platform/527x/config.c
index 73cd1aef4a90..49343fb157b0 100644
--- a/arch/m68knommu/platform/527x/config.c
+++ b/arch/m68knommu/platform/527x/config.c
@@ -50,8 +50,73 @@ static struct platform_device m527x_uart = {
         .dev.platform_data      = m527x_uart_platform,
 };
 
+static struct resource m527x_fec0_resources[] = {
+        {
+                .start          = MCF_MBAR + 0x1000,
+                .end            = MCF_MBAR + 0x1000 + 0x7ff,
+                .flags          = IORESOURCE_MEM,
+        },
+        {
+                .start          = 64 + 23,
+                .end            = 64 + 23,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 64 + 27,
+                .end            = 64 + 27,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 64 + 29,
+                .end            = 64 + 29,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource m527x_fec1_resources[] = {
+        {
+                .start          = MCF_MBAR + 0x1800,
+                .end            = MCF_MBAR + 0x1800 + 0x7ff,
+                .flags          = IORESOURCE_MEM,
+        },
+        {
+                .start          = 128 + 23,
+                .end            = 128 + 23,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 128 + 27,
+                .end            = 128 + 27,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 128 + 29,
+                .end            = 128 + 29,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device m527x_fec[] = {
+        {
+                .name           = "fec",
+                .id             = 0,
+                .num_resources  = ARRAY_SIZE(m527x_fec0_resources),
+                .resource       = m527x_fec0_resources,
+        },
+        {
+                .name           = "fec",
+                .id             = 1,
+                .num_resources  = ARRAY_SIZE(m527x_fec1_resources),
+                .resource       = m527x_fec1_resources,
+        },
+};
+
 static struct platform_device *m527x_devices[] __initdata = {
         &m527x_uart,
+        &m527x_fec[0],
+#ifdef CONFIG_FEC2
+        &m527x_fec[1],
+#endif
 };
 
 /***************************************************************************/
@@ -97,6 +162,51 @@ static void __init m527x_uarts_init(void)
 
 /***************************************************************************/
 
+static void __init m527x_fec_irq_init(int nr)
+{
+        unsigned long base;
+        u32 imr;
+
+        base = MCF_IPSBAR + (nr ? MCFICM_INTC1 : MCFICM_INTC0);
+
+        writeb(0x28, base + MCFINTC_ICR0 + 23);
+        writeb(0x27, base + MCFINTC_ICR0 + 27);
+        writeb(0x26, base + MCFINTC_ICR0 + 29);
+
+        imr = readl(base + MCFINTC_IMRH);
+        imr &= ~0xf;
+        writel(imr, base + MCFINTC_IMRH);
+        imr = readl(base + MCFINTC_IMRL);
+        imr &= ~0xff800001;
+        writel(imr, base + MCFINTC_IMRL);
+}
+
+static void __init m527x_fec_init(void)
+{
+        u16 par;
+        u8 v;
+
+        m527x_fec_irq_init(0);
+
+        /* Set multi-function pins to ethernet mode for fec0 */
+        par = readw(MCF_IPSBAR + 0x100082);
+        writew(par | 0xf00, MCF_IPSBAR + 0x100082);
+        v = readb(MCF_IPSBAR + 0x100078);
+        writeb(v | 0xc0, MCF_IPSBAR + 0x100078);
+
+#ifdef CONFIG_FEC2
+        m527x_fec_irq_init(1);
+
+        /* Set multi-function pins to ethernet mode for fec1 */
+        par = readw(MCF_IPSBAR + 0x100082);
+        writew(par | 0xa0, MCF_IPSBAR + 0x100082);
+        v = readb(MCF_IPSBAR + 0x100079);
+        writeb(v | 0xc0, MCF_IPSBAR + 0x100079);
+#endif
+}
+
+/***************************************************************************/
+
 void mcf_disableall(void)
 {
         *((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH)) = 0xffffffff;
@@ -116,13 +226,14 @@ void __init config_BSP(char *commandp, int size)
 {
         mcf_disableall();
         mach_reset = coldfire_reset;
+        m527x_uarts_init();
+        m527x_fec_init();
 }
 
 /***************************************************************************/
 
 static int __init init_BSP(void)
 {
-        m527x_uarts_init();
         platform_add_devices(m527x_devices, ARRAY_SIZE(m527x_devices));
         return 0;
 }
diff --git a/arch/m68knommu/platform/528x/config.c b/arch/m68knommu/platform/528x/config.c
index dfdb5c2ed8e6..2ffb549876f0 100644
--- a/arch/m68knommu/platform/528x/config.c
+++ b/arch/m68knommu/platform/528x/config.c
@@ -285,8 +285,40 @@ static struct platform_device m528x_uart = {
         .dev.platform_data      = m528x_uart_platform,
 };
 
+static struct resource m528x_fec_resources[] = {
+        {
+                .start          = MCF_MBAR + 0x1000,
+                .end            = MCF_MBAR + 0x1000 + 0x7ff,
+                .flags          = IORESOURCE_MEM,
+        },
+        {
+                .start          = 64 + 23,
+                .end            = 64 + 23,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 64 + 27,
+                .end            = 64 + 27,
+                .flags          = IORESOURCE_IRQ,
+        },
+        {
+                .start          = 64 + 29,
+                .end            = 64 + 29,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device m528x_fec = {
+        .name                   = "fec",
+        .id                     = 0,
+        .num_resources          = ARRAY_SIZE(m528x_fec_resources),
+        .resource               = m528x_fec_resources,
+};
+
+
 static struct platform_device *m528x_devices[] __initdata = {
         &m528x_uart,
+        &m528x_fec,
 };
 
 /***************************************************************************/
@@ -327,6 +359,31 @@ static void __init m528x_uarts_init(void)
 
 /***************************************************************************/
 
+static void __init m528x_fec_init(void)
+{
+        u32 imr;
+        u16 v16;
+
+        /* 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);
+
+        /* Set multi-function pins to ethernet mode for fec0 */
+        v16 = readw(MCF_IPSBAR + 0x100056);
+        writew(v16 | 0xf00, MCF_IPSBAR + 0x100056);
+        writeb(0xc0, MCF_IPSBAR + 0x100058);
+}
+
+/***************************************************************************/
+
 void mcf_disableall(void)
 {
         *((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH)) = 0xffffffff;
@@ -386,6 +443,7 @@ void __init config_BSP(char *commandp, int size)
 static int __init init_BSP(void)
 {
         m528x_uarts_init();
+        m528x_fec_init();
         platform_add_devices(m528x_devices, ARRAY_SIZE(m528x_devices));
         return 0;
 }
diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c
index a347623d6ee6..591f2f801134 100644
--- a/arch/m68knommu/platform/532x/config.c
+++ b/arch/m68knommu/platform/532x/config.c
@@ -61,8 +61,38 @@ static struct platform_device m532x_uart = {
         .dev.platform_data      = m532x_uart_platform,
 };
 
+static struct resource m532x_fec_resources[] = {
+        {
+                .start          = 0xfc030000,
+                .end            = 0xfc0307ff,
+                .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 m532x_fec = {
+        .name                   = "fec",
+        .id                     = 0,
+        .num_resources          = ARRAY_SIZE(m532x_fec_resources),
+        .resource               = m532x_fec_resources,
+};
 static struct platform_device *m532x_devices[] __initdata = {
         &m532x_uart,
+        &m532x_fec,
 };
 
 /***************************************************************************/
@@ -93,6 +123,24 @@ static void __init m532x_uarts_init(void)
         for (line = 0; (line < nrlines); line++)
                 m532x_uart_init_line(line, m532x_uart_platform[line].irq);
 }
+/***************************************************************************/
+
+static void __init m532x_fec_init(void)
+{
+        /* Unmask FEC interrupts at ColdFire interrupt controller */
+        MCF_INTC0_ICR36 = 0x2;
+        MCF_INTC0_ICR40 = 0x2;
+        MCF_INTC0_ICR42 = 0x2;
+
+        MCF_INTC0_IMRH &= ~(MCF_INTC_IMRH_INT_MASK36 |
+                MCF_INTC_IMRH_INT_MASK40 | MCF_INTC_IMRH_INT_MASK42);
+
+        /* Set multi-function pins to ethernet mode for fec0 */
+        MCF_GPIO_PAR_FECI2C |= (MCF_GPIO_PAR_FECI2C_PAR_MDC_EMDC |
+                MCF_GPIO_PAR_FECI2C_PAR_MDIO_EMDIO);
+        MCF_GPIO_PAR_FEC = (MCF_GPIO_PAR_FEC_PAR_FEC_7W_FEC |
+                MCF_GPIO_PAR_FEC_PAR_FEC_MII_FEC);
+}
 
 /***************************************************************************/
 
@@ -150,6 +198,7 @@ void __init config_BSP(char *commandp, int size)
 static int __init init_BSP(void)
 {
         m532x_uarts_init();
+        m532x_fec_init();
         platform_add_devices(m532x_devices, ARRAY_SIZE(m532x_devices));
         return 0;
 }