[ARM] mv78xx0: force eth2/eth3 to PHYless mode on pre-A0 silicon
On pre-A0 revisions of the mv78xx0 SoC, the third and fourth
ethernet interface are not brought out to pins, but are internally
cross-connected, so if we run on pre-A0 silicon, we'll force eth2
and eth3 to PHYless mode.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
index 538f8f4..15f9913 100644
--- a/arch/arm/mach-mv78xx0/common.c
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -15,6 +15,7 @@
#include <linux/mbus.h>
#include <linux/mv643xx_eth.h>
#include <linux/ata_platform.h>
+#include <linux/ethtool.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <mach/mv78xx0.h>
@@ -430,9 +431,22 @@
void __init mv78xx0_ge10_init(struct mv643xx_eth_platform_data *eth_data)
{
+ u32 dev, rev;
+
eth_data->shared = &mv78xx0_ge10_shared;
mv78xx0_ge10.dev.platform_data = eth_data;
+ /*
+ * On the Z0, ge10 and ge11 are internally connected back
+ * to back, and not brought out.
+ */
+ mv78xx0_pcie_id(&dev, &rev);
+ if (dev == MV78X00_Z0_DEV_ID) {
+ eth_data->phy_addr = MV643XX_ETH_PHY_NONE;
+ eth_data->speed = SPEED_1000;
+ eth_data->duplex = DUPLEX_FULL;
+ }
+
platform_device_register(&mv78xx0_ge10_shared);
platform_device_register(&mv78xx0_ge10);
}
@@ -484,9 +498,22 @@
void __init mv78xx0_ge11_init(struct mv643xx_eth_platform_data *eth_data)
{
+ u32 dev, rev;
+
eth_data->shared = &mv78xx0_ge11_shared;
mv78xx0_ge11.dev.platform_data = eth_data;
+ /*
+ * On the Z0, ge10 and ge11 are internally connected back
+ * to back, and not brought out.
+ */
+ mv78xx0_pcie_id(&dev, &rev);
+ if (dev == MV78X00_Z0_DEV_ID) {
+ eth_data->phy_addr = MV643XX_ETH_PHY_NONE;
+ eth_data->speed = SPEED_1000;
+ eth_data->duplex = DUPLEX_FULL;
+ }
+
platform_device_register(&mv78xx0_ge11_shared);
platform_device_register(&mv78xx0_ge11);
}