satip-axe/kernel/arch/m68knommu/platform/523x/config.c
2015-03-26 17:24:57 +01:00

124 lines
2.8 KiB
C

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