Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / cpu / arm926ejs / davinci / ksz8873.c

diff --git a/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/davinci/ksz8873.c b/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/davinci/ksz8873.c
new file mode 100644 (file)
index 0000000..4af5dd2
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/davinci/ksz8873.c
@@ -0,0 +1,53 @@
+/*
+ * Micrel KSZ8873 PHY Driver for TI DaVinci
+ * (TMS320DM644x) based boards.
+ *
+ * Copyright (C) 2011 Heiko Schocher <hsdenx.de>
+ *
+ * based on:
+ * National Semiconductor DP83848 PHY Driver for TI DaVinci
+ * (TMS320DM644x) based boards.
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * --------------------------------------------------------
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <net.h>
+#include <asm/arch/emac_defs.h>
+#include <asm/io.h>
+#include "../../../../../drivers/net/davinci_emac.h"
+
+int ksz8873_is_phy_connected(int phy_addr)
+{
+       u_int16_t       dummy;
+
+       return davinci_eth_phy_read(phy_addr, MII_PHYSID1, &dummy);
+}
+
+int ksz8873_get_link_speed(int phy_addr)
+{
+       emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR;
+
+       /* we always have a link to the switch, 100 FD */
+       writel((EMAC_MACCONTROL_MIIEN_ENABLE |
+               EMAC_MACCONTROL_FULLDUPLEX_ENABLE),
+              &emac->MACCONTROL);
+       return 1;
+}
+
+
+int ksz8873_init_phy(int phy_addr)
+{
+       return 1;
+}
+
+
+int ksz8873_auto_negotiate(int phy_addr)
+{
+       return dp83848_get_link_speed(phy_addr);
+}