1 files changed, 78 insertions, 9 deletions

diff --git a/arch/m68knommu/platform/527x/config.c b/arch/m68knommu/platform/527x/config.c
index 9cbfbc68ae4f..73cd1aef4a90 100644
--- a/arch/m68knommu/platform/527x/config.c
+++ b/arch/m68knommu/platform/527x/config.c
@@ -16,11 +16,11 @@
 #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 +28,72 @@ 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,
+        },
+        { },
 };
 
-unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+static struct platform_device m527x_uart = {
+        .name                   = "mcfuart",
+        .id                     = 0,
+        .dev.platform_data      = m527x_uart_platform,
+};
+
+static struct platform_device *m527x_devices[] __initdata = {
+        &m527x_uart,
+};
+
+/***************************************************************************/
+
+#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);
+}
 
 /***************************************************************************/
 
@@ -54,10 +112,21 @@ 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;
 }
 
 /***************************************************************************/
+
+static int __init init_BSP(void)
+{
+        m527x_uarts_init();
+        platform_add_devices(m527x_devices, ARRAY_SIZE(m527x_devices));
+        return 0;
+}
+
+arch_initcall(init_BSP);
+
+/***************************************************************************/