m68knommu: platform setup for 5206 ColdFire parts
Switch to platform style configuration for 5206 ColdFire parts.
Initial support is for the UARTs. DMA support moved to common code
for all ColdFire parts.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/m68knommu/platform/5206/config.c b/arch/m68knommu/platform/5206/config.c
index b3c4dd4..8836b42 100644
--- a/arch/m68knommu/platform/5206/config.c
+++ b/arch/m68knommu/platform/5206/config.c
@@ -13,12 +13,11 @@
#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/mcftimer.h>
#include <asm/mcfsim.h>
-#include <asm/mcfdma.h>
+#include <asm/mcfuart.h>
/***************************************************************************/
@@ -26,15 +25,51 @@
/***************************************************************************/
-/*
- * 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 m5206_uart_platform[] = {
+ {
+ .mapbase = MCF_MBAR + MCFUART_BASE1,
+ .irq = 73,
+ },
+ {
+ .mapbase = MCF_MBAR + MCFUART_BASE2,
+ .irq = 74,
+ },
+ { },
};
-unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+static struct platform_device m5206_uart = {
+ .name = "mcfuart",
+ .id = 0,
+ .dev.platform_data = m5206_uart_platform,
+};
+
+static struct platform_device *m5206_devices[] __initdata = {
+ &m5206_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 m5206_uarts_init(void)
+{
+ const int nrlines = ARRAY_SIZE(m5206_uart_platform);
+ int line;
+
+ for (line = 0; (line < nrlines); line++)
+ m5206_uart_init_line(line, m5206_uart_platform[line].irq);
+}
/***************************************************************************/
@@ -88,10 +123,21 @@
/***************************************************************************/
-void config_BSP(char *commandp, int size)
+void __init config_BSP(char *commandp, int size)
{
mcf_setimr(MCFSIM_IMR_MASKALL);
mach_reset = coldfire_reset;
}
/***************************************************************************/
+
+static int __init init_BSP(void)
+{
+ m5206_uarts_init();
+ platform_add_devices(m5206_devices, ARRAY_SIZE(m5206_devices));
+ return 0;
+}
+
+arch_initcall(init_BSP);
+
+/***************************************************************************/