124 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/***************************************************************************/
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/*
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 *	linux/arch/m68knommu/platform/523x/config.c
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 *
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 *	Sub-architcture dependant initialization code for the Freescale
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 *	523x CPUs.
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 *
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 *	Copyright (C) 1999-2005, Greg Ungerer (gerg@snapgear.com)
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 *	Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com)
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 */
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/***************************************************************************/
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#include <linux/kernel.h>
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#include <linux/param.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <asm/machdep.h>
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#include <asm/coldfire.h>
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#include <asm/mcfsim.h>
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#include <asm/mcfuart.h>
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/***************************************************************************/
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static struct mcf_platform_uart m523x_uart_platform[] = {
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	{
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		.mapbase	= MCF_MBAR + MCFUART_BASE1,
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		.irq		= MCFINT_VECBASE + MCFINT_UART0,
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	},
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	{
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		.mapbase 	= MCF_MBAR + MCFUART_BASE2,
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		.irq		= MCFINT_VECBASE + MCFINT_UART0 + 1,
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	},
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	{
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		.mapbase 	= MCF_MBAR + MCFUART_BASE3,
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		.irq		= MCFINT_VECBASE + MCFINT_UART0 + 2,
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	},
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	{ },
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};
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static struct platform_device m523x_uart = {
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	.name			= "mcfuart",
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	.id			= 0,
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	.dev.platform_data	= m523x_uart_platform,
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};
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static struct resource m523x_fec_resources[] = {
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	{
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		.start		= MCF_MBAR + 0x1000,
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		.end		= MCF_MBAR + 0x1000 + 0x7ff,
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		.flags		= IORESOURCE_MEM,
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	},
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	{
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		.start		= 64 + 23,
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		.end		= 64 + 23,
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		.flags		= IORESOURCE_IRQ,
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	},
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	{
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		.start		= 64 + 27,
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		.end		= 64 + 27,
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		.flags		= IORESOURCE_IRQ,
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	},
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	{
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		.start		= 64 + 29,
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		.end		= 64 + 29,
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		.flags		= IORESOURCE_IRQ,
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	},
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};
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static struct platform_device m523x_fec = {
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	.name			= "fec",
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	.id			= 0,
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	.num_resources		= ARRAY_SIZE(m523x_fec_resources),
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	.resource		= m523x_fec_resources,
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};
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static struct platform_device *m523x_devices[] __initdata = {
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	&m523x_uart,
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	&m523x_fec,
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};
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/***************************************************************************/
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static void __init m523x_fec_init(void)
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{
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	u16 par;
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	u8 v;
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	/* Set multi-function pins to ethernet use */
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	par = readw(MCF_IPSBAR + 0x100082);
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	writew(par | 0xf00, MCF_IPSBAR + 0x100082);
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	v = readb(MCF_IPSBAR + 0x100078);
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	writeb(v | 0xc0, MCF_IPSBAR + 0x100078);
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}
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/***************************************************************************/
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static void m523x_cpu_reset(void)
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{
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	local_irq_disable();
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	__raw_writeb(MCF_RCR_SWRESET, MCF_IPSBAR + MCF_RCR);
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}
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/***************************************************************************/
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void __init config_BSP(char *commandp, int size)
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{
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	mach_reset = m523x_cpu_reset;
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}
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/***************************************************************************/
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static int __init init_BSP(void)
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{
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	m523x_fec_init();
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	platform_add_devices(m523x_devices, ARRAY_SIZE(m523x_devices));
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	return 0;
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}
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arch_initcall(init_BSP);
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/***************************************************************************/
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