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Commit 14c16db3 authored by Greg Ungerer's avatar Greg Ungerer
Browse files

m68knommu: set multi-function pins for ethernet when enabled 



The ethernet pins on the 532x ColdFire CPU family are multi-function
pins. We need to enable them as ethernet pins when using the FEC
ethernet driver.

Bug report, and older patch, from timothee@manaud.net.

Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.org>
parent d89395ba

arch/m68knommu/platform/523x/config.c

+15 −0
Original line number Diff line number Diff line
@@ -82,6 +82,20 @@ static struct platform_device *m523x_devices[] __initdata = { 


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



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();
@@ -99,6 +113,7 @@ void __init config_BSP(char *commandp, int size) 


static int __init init_BSP(void)

{

	m523x_fec_init();

	platform_add_devices(m523x_devices, ARRAY_SIZE(m523x_devices));

	return 0;

}