From: Greg Ungerer <gerg@snapgear.com>
To: torvalds@linux-foundation.org
Cc: gerg@uclinux.org, linux-kernel@vger.kernel.org
Subject: [M68KNOMMU]: platform setup for 5206 ColdFire UARTs
Date: Tue, 30 Oct 2007 14:41:51 +1000 [thread overview]
Message-ID: <200710300441.l9U4fpcl032230@goober> (raw)
Switch to platform style configuration for 5206 ColdFire UARTs.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
diff -Naurp linux-2.6.23-rc1/arch/m68knommu/platform/5206/config.c linux-2.6.23-rc1.platform/arch/m68knommu/platform/5206/config.c
--- linux-2.6.23-rc1/arch/m68knommu/platform/5206/config.c 2007-10-25 10:48:36.000000000 +1000
+++ linux-2.6.23-rc1.platform/arch/m68knommu/platform/5206/config.c 2007-10-30 14:18:24.000000000 +1000
@@ -13,12 +13,12 @@
#include <linux/param.h>
#include <linux/init.h>
#include <linux/interrupt.h>
-#include <asm/dma.h>
#include <asm/machdep.h>
+#include <asm/dma.h>
+#include <asm/io.h>
#include <asm/coldfire.h>
-#include <asm/mcftimer.h>
#include <asm/mcfsim.h>
-#include <asm/mcfdma.h>
+#include <asm/mcfuart.h>
/***************************************************************************/
@@ -38,6 +38,54 @@ unsigned int dma_device_address[MAX_M68K
/***************************************************************************/
+static struct mcf_platform_uart m5206_uart_platform[] = {
+ {
+ .mapbase = MCF_MBAR + MCFUART_BASE1,
+ .irq = 73,
+ },
+ {
+ .mapbase = MCF_MBAR + MCFUART_BASE2,
+ .irq = 74,
+ },
+ { },
+};
+
+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);
+}
+
+/***************************************************************************/
+
void mcf_autovector(unsigned int vec)
{
volatile unsigned char *mbar;
@@ -88,10 +136,21 @@ 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);
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);
+
+/***************************************************************************/
reply other threads:[~2007-10-30 4:44 UTC|newest]
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