m68knommu: platform setup for 5307 ColdFire parts
Switch to platform style configuration for 5307 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/5307/config.c b/arch/m68knommu/platform/5307/config.c
index 6040821..5c43d79 100644
--- a/arch/m68knommu/platform/5307/config.c
+++ b/arch/m68knommu/platform/5307/config.c
@@ -13,11 +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/mcfsim.h>
-#include <asm/mcfdma.h>
+#include <asm/mcfuart.h>
#include <asm/mcfwdebug.h>
/***************************************************************************/
@@ -38,17 +38,51 @@
/***************************************************************************/
-/*
- * DMA channel base address table.
- */
-unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = {
- MCF_MBAR + MCFDMA_BASE0,
- MCF_MBAR + MCFDMA_BASE1,
- MCF_MBAR + MCFDMA_BASE2,
- MCF_MBAR + MCFDMA_BASE3,
+static struct mcf_platform_uart m5307_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 m5307_uart = {
+ .name = "mcfuart",
+ .id = 0,
+ .dev.platform_data = m5307_uart_platform,
+};
+
+static struct platform_device *m5307_devices[] __initdata = {
+ &m5307_uart,
+};
+
+/***************************************************************************/
+
+static void __init m5307_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 m5307_uarts_init(void)
+{
+ const int nrlines = ARRAY_SIZE(m5307_uart_platform);
+ int line;
+
+ for (line = 0; (line < nrlines); line++)
+ m5307_uart_init_line(line, m5307_uart_platform[line].irq);
+}
/***************************************************************************/
@@ -99,7 +133,7 @@
/***************************************************************************/
-void config_BSP(char *commandp, int size)
+void __init config_BSP(char *commandp, int size)
{
mcf_setimr(MCFSIM_IMR_MASKALL);
@@ -117,7 +151,7 @@
mach_reset = coldfire_reset;
-#ifdef MCF_BDM_DISABLE
+#ifdef CONFIG_BDM_DISABLE
/*
* Disable the BDM clocking. This also turns off most of the rest of
* the BDM device. This is good for EMC reasons. This option is not
@@ -128,3 +162,14 @@
}
/***************************************************************************/
+
+static int __init init_BSP(void)
+{
+ m5307_uarts_init();
+ platform_add_devices(m5307_devices, ARRAY_SIZE(m5307_devices));
+ return 0;
+}
+
+arch_initcall(init_BSP);
+
+/***************************************************************************/