On Thu, May 24, 2012 at 2:48 AM, Michael Schmitz
<schmitz@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
--- a/arch/m68k/atari/config.c
+++ b/arch/m68k/atari/config.c
@@ -662,7 +662,7 @@ static void atari_get_hardware_list(struct seq_file *m)
*/
#define ATARI_ETHERNAT_PHYS_ADDR 0x80000000
-#define ATARI_ETHERNAT_IRQ 0xc3
+#define ATARI_ETHERNAT_IRQ 140
So the EtherNAT does have a working interrupt line?
@@ -686,16 +686,27 @@ static struct platform_device smc91x_device = {
.resource = smc91x_resources,
};
-static struct platform_device *atari_platform_devices[] __initdata = {
+static struct platform_device *atari_ethernat_devices[] __initdata = {
&smc91x_device
};
int __init atari_platform_init(void)
{
+ unsigned char *enatc_virt;
+ int rv = -ENODEV;
+
if (!MACH_IS_ATARI)
return -ENODEV;
- return platform_add_devices(atari_platform_devices, ARRAY_SIZE(atari_platform_devices));
+#if IS_ENABLED(CONFIG_ATARI_ETHERNAT_OLD)
+ enatc_virt = (unsigned char *)ioremap((ATARI_ETHERNAT_PHYS_ADDR+0x23), 0xf);
+ if (hwreg_present(enatc_virt)) {
+ *enatc_virt |= 0x2; /* enable SMC91C111 interrupt */
Do you really want to do that here?
Typically this is done by the driver itself, in its probe() routine.
+ rv = platform_add_devices(atari_ethernat_devices, ARRAY_SIZE(atari_ethernat_devices));
+ }
+#endif
+
+ return rv;
}
arch_initcall(atari_platform_init);
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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