Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4b61a353e4c893ea07ff5a812de8c0894ed5982f
Commit:     4b61a353e4c893ea07ff5a812de8c0894ed5982f
Parent:     cf64c233839e97221d63ed7887b59196c8c748c3
Author:     Greg Ungerer <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 1 17:34:15 2008 +1000
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri Feb 1 20:54:03 2008 +1100

    m68knommu: platform setup for 523x ColdFire parts
    
    Switch to platform style configuration for 523x ColdFire parts.
    Initial support is for the UARTs. DMA support moved to common code
    for all ColdFire parts.
    
    Signed-off-by: Greg Ungerer <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
 arch/m68knommu/platform/523x/config.c |   75 ++++++++++++++++++++++++++++----
 1 files changed, 65 insertions(+), 10 deletions(-)

diff --git a/arch/m68knommu/platform/523x/config.c 
b/arch/m68knommu/platform/523x/config.c
index e7f80c8..13f0261 100644
--- a/arch/m68knommu/platform/523x/config.c
+++ b/arch/m68knommu/platform/523x/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 +28,58 @@ 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 m523x_uart_platform[] = {
+       {
+               .mapbase        = MCF_MBAR + MCFUART_BASE1,
+               .irq            = MCFINT_VECBASE + MCFINT_UART0,
+       },
+       {
+               .mapbase        = MCF_MBAR + MCFUART_BASE2,
+               .irq            = MCFINT_VECBASE + MCFINT_UART0 + 1,
+       },
+       {
+               .mapbase        = MCF_MBAR + MCFUART_BASE3,
+               .irq            = MCFINT_VECBASE + MCFINT_UART0 + 2,
+       },
+       { },
+};
+
+static struct platform_device m523x_uart = {
+       .name                   = "mcfuart",
+       .id                     = 0,
+       .dev.platform_data      = m523x_uart_platform,
+};
+
+static struct platform_device *m523x_devices[] __initdata = {
+       &m523x_uart,
 };
 
-unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+/***************************************************************************/
+
+#define        INTC0   (MCF_MBAR + MCFICM_INTC0)
+
+static void __init m523x_uart_init_line(int line, int irq)
+{
+       u32 imr;
+
+       if ((line < 0) || (line > 2))
+               return;
+
+       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);
+}
+
+static void __init m523x_uarts_init(void)
+{
+       const int nrlines = ARRAY_SIZE(m523x_uart_platform);
+       int line;
+
+       for (line = 0; (line < nrlines); line++)
+               m523x_uart_init_line(line, m523x_uart_platform[line].irq);
+}
 
 /***************************************************************************/
 
@@ -49,15 +93,26 @@ void mcf_disableall(void)
 
 void mcf_autovector(unsigned int vec)
 {
-       /* Everything is auto-vectored on the 5272 */
+       /* Everything is auto-vectored on the 523x */
 }
 
 /***************************************************************************/
 
-void config_BSP(char *commandp, int size)
+void __init config_BSP(char *commandp, int size)
 {
        mcf_disableall();
        mach_reset = coldfire_reset;
+       m523x_uarts_init();
 }
 
 /***************************************************************************/
+
+static int __init init_BSP(void)
+{
+       platform_add_devices(m523x_devices, ARRAY_SIZE(m523x_devices));
+       return 0;
+}
+
+arch_initcall(init_BSP);
+
+/***************************************************************************/
-
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