powerpc: keymile: Add a check for the PIGGY debug board
Check the presence of the PIGGY on the keymile boards mgcoge,
mgsuvd and kmeter1. If the PIGGY is not present, dont register
this Ethernet device.
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c
index a4cf24c..1338950 100644
--- a/board/keymile/common/common.c
+++ b/board/keymile/common/common.c
@@ -22,10 +22,14 @@
*/
#include <common.h>
+#if defined(CONFIG_MGCOGE)
#include <mpc8260.h>
+#endif
#include <ioports.h>
#include <malloc.h>
#include <hush.h>
+#include <net.h>
+#include <asm/io.h>
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
@@ -33,8 +37,6 @@
#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
#include <i2c.h>
-#endif
-#include <asm/io.h>
extern int i2c_soft_read_pin (void);
@@ -495,6 +497,7 @@
#endif
}
#endif
+#endif
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
int fdt_set_node_and_value (void *blob,
@@ -521,3 +524,19 @@
return ret;
}
#endif
+
+int ethernet_present (void)
+{
+ return (in_8((u8 *)CONFIG_SYS_PIGGY_BASE + CONFIG_SYS_SLOT_ID_OFF) & 0x80);
+}
+
+int board_eth_init (bd_t *bis)
+{
+#ifdef CONFIG_KEYMILE_HDLC_ENET
+ (void)keymile_hdlc_enet_initialize (bis);
+#endif
+ if (ethernet_present ()) {
+ return -1;
+ }
+ return 0;
+}