m68knommu: platform setup for 5206e ColdFire parts

Switch to platform style configuration for 5206e ColdFire parts.
Initial support is for the UARTs. DMA support is moved to common code.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/m68knommu/platform/5206e/config.c b/arch/m68knommu/platform/5206e/config.c
index f84a4ae..b555b5c 100644 (file)
--- a/arch/m68knommu/platform/5206e/config.c
+++ b/arch/m68knommu/platform/5206e/config.c
@@ -10,8 +10,9 @@
 
 #include <linux/kernel.h>
 #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>
@@ -23,15 +24,51 @@ void coldfire_reset(void);
 
 /***************************************************************************/
 
-/*
- *     DMA channel base address table.
- */
-unsigned int   dma_base_addr[MAX_M68K_DMA_CHANNELS] = {
-        MCF_MBAR + MCFDMA_BASE0,
-        MCF_MBAR + MCFDMA_BASE1,
+static struct mcf_platform_uart m5206e_uart_platform[] = {
+       {
+               .mapbase        = MCF_MBAR + MCFUART_BASE1,
+               .irq            = 73,
+       },
+       {
+               .mapbase        = MCF_MBAR + MCFUART_BASE2,
+               .irq            = 74,
+       },
+       { },
+};
+
+static struct platform_device m5206e_uart = {
+       .name                   = "mcfuart",
+       .id                     = 0,
+       .dev.platform_data      = m5206e_uart_platform,
 };
 
-unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+static struct platform_device *m5206e_devices[] __initdata = {
+       &m5206e_uart,
+};
+
+/***************************************************************************/
+
+static void __init m5206_uart_init_line(int line, int irq)
+{
+       if (line == 0) {
+               writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
+               writeb(irq, MCFUART_BASE1 + MCFUART_UIVR);
+               mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
+       } else if (line == 1) {
+               writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
+               writeb(irq, MCFUART_BASE2 + MCFUART_UIVR);
+               mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
+       }
+}
+
+static void __init m5206e_uarts_init(void)
+{
+       const int nrlines = ARRAY_SIZE(m5206e_uart_platform);
+       int line;
+
+       for (line = 0; (line < nrlines); line++)
+               m5206e_uart_init_line(line, m5206e_uart_platform[line].irq);
+}
 
 /***************************************************************************/
 
@@ -85,7 +122,7 @@ int mcf_timerirqpending(int timer)
 
 /***************************************************************************/
 
-void config_BSP(char *commandp, int size)
+void __init config_BSP(char *commandp, int size)
 {
        mcf_setimr(MCFSIM_IMR_MASKALL);
 
@@ -99,3 +136,14 @@ void config_BSP(char *commandp, int size)
 }
 
 /***************************************************************************/
+
+static int __init init_BSP(void)
+{
+       m5206e_uarts_init();
+       platform_add_devices(m5206e_devices, ARRAY_SIZE(m5206e_devices));
+       return 0;
+}
+
+arch_initcall(init_BSP);
+
+/***************************************************************************/