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Commit cf64c233 authored by Greg Ungerer's avatar Greg Ungerer Committed by Linus Torvalds
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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: default avatarGreg Ungerer <gerg@uclinux.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9685c43e

arch/m68knommu/platform/5206e/config.c

+57 −9
Original line number Diff line number Diff line
@@ -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);



/***************************************************************************/