Merge branch 'master' of git://git.kernel.org/pub/scm/fs/xfs/xfs
[pandora-kernel.git] / arch / m68knommu / platform / 527x / config.c
index 9cbfbc6..49343fb 100644 (file)
 #include <linux/param.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
-#include <asm/dma.h>
+#include <linux/io.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
 #include <asm/mcfsim.h>
-#include <asm/mcfdma.h>
+#include <asm/mcfuart.h>
 
 /***************************************************************************/
 
@@ -28,14 +28,182 @@ void coldfire_reset(void);
 
 /***************************************************************************/
 
-/*
- *     DMA channel base address table.
- */
-unsigned int   dma_base_addr[MAX_M68K_DMA_CHANNELS] = {
-        MCF_MBAR + MCFDMA_BASE0,
+static struct mcf_platform_uart m527x_uart_platform[] = {
+       {
+               .mapbase        = MCF_MBAR + MCFUART_BASE1,
+               .irq            = MCFINT_VECBASE + MCFINT_UART0,
+       },
+       {
+               .mapbase        = MCF_MBAR + MCFUART_BASE2,
+               .irq            = MCFINT_VECBASE + MCFINT_UART1,
+       },
+       {
+               .mapbase        = MCF_MBAR + MCFUART_BASE3,
+               .irq            = MCFINT_VECBASE + MCFINT_UART2,
+       },
+       { },
+};
+
+static struct platform_device m527x_uart = {
+       .name                   = "mcfuart",
+       .id                     = 0,
+       .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
 };
 
-unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+/***************************************************************************/
+
+#define        INTC0   (MCF_MBAR + MCFICM_INTC0)
+
+static void __init m527x_uart_init_line(int line, int irq)
+{
+       u16 sepmask;
+       u32 imr;
+
+       if ((line < 0) || (line > 2))
+               return;
+
+       /* level 6, line based priority */
+       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);
+
+       /*
+        * External Pin Mask Setting & Enable External Pin for Interface
+        */
+       sepmask = readw(MCF_IPSBAR + MCF_GPIO_PAR_UART);
+       if (line == 0)
+               sepmask |= UART0_ENABLE_MASK;
+       else if (line == 1)
+               sepmask |= UART1_ENABLE_MASK;
+       else if (line == 2)
+               sepmask |= UART2_ENABLE_MASK;
+       writew(sepmask, MCF_IPSBAR + MCF_GPIO_PAR_UART);
+}
+
+static void __init m527x_uarts_init(void)
+{
+       const int nrlines = ARRAY_SIZE(m527x_uart_platform);
+       int line;
+
+       for (line = 0; (line < nrlines); line++)
+               m527x_uart_init_line(line, m527x_uart_platform[line].irq);
+}
+
+/***************************************************************************/
+
+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
+}
 
 /***************************************************************************/
 
@@ -54,10 +222,22 @@ void mcf_autovector(unsigned int vec)
 
 /***************************************************************************/
 
-void config_BSP(char *commandp, int size)
+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)
+{
+       platform_add_devices(m527x_devices, ARRAY_SIZE(m527x_devices));
+       return 0;
+}
+
+arch_initcall(init_BSP);
+
+/***************************************************************************/