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Diffstat (limited to 'roms/u-boot/drivers/net/fm/p1023.c')
-rw-r--r--roms/u-boot/drivers/net/fm/p1023.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/fm/p1023.c b/roms/u-boot/drivers/net/fm/p1023.c
new file mode 100644
index 000000000..d4167e4d6
--- /dev/null
+++ b/roms/u-boot/drivers/net/fm/p1023.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ */
+#include <common.h>
+#include <phy.h>
+#include <fm_eth.h>
+#include <asm/io.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_serdes.h>
+
+static u32 port_to_devdisr[] = {
+ [FM1_DTSEC1] = MPC85xx_DEVDISR_TSEC1,
+ [FM1_DTSEC2] = MPC85xx_DEVDISR_TSEC2,
+};
+
+static int is_device_disabled(enum fm_port port)
+{
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u32 devdisr = in_be32(&gur->devdisr);
+
+ return port_to_devdisr[port] & devdisr;
+}
+
+void fman_disable_port(enum fm_port port)
+{
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+ /* don't allow disabling of DTSEC1 as its needed for MDIO */
+ if (port == FM1_DTSEC1)
+ return;
+
+ setbits_be32(&gur->devdisr, port_to_devdisr[port]);
+}
+
+void fman_enable_port(enum fm_port port)
+{
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+ clrbits_be32(&gur->devdisr, port_to_devdisr[port]);
+}
+
+phy_interface_t fman_port_enet_if(enum fm_port port)
+{
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+ u32 pordevsr = in_be32(&gur->pordevsr);
+
+ if (is_device_disabled(port))
+ return PHY_INTERFACE_MODE_NONE;
+
+ /* DTSEC1 can be SGMII, RGMII or RMII */
+ if (port == FM1_DTSEC1) {
+ if (is_serdes_configured(SGMII_FM1_DTSEC1))
+ return PHY_INTERFACE_MODE_SGMII;
+ if (pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS) {
+ if (pordevsr & MPC85xx_PORDEVSR_TSEC1_PRTC)
+ return PHY_INTERFACE_MODE_RGMII;
+ else
+ return PHY_INTERFACE_MODE_RMII;
+ }
+ }
+
+ /* DTSEC2 only supports SGMII or RGMII */
+ if (port == FM1_DTSEC2) {
+ if (is_serdes_configured(SGMII_FM1_DTSEC2))
+ return PHY_INTERFACE_MODE_SGMII;
+ if (pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)
+ return PHY_INTERFACE_MODE_RGMII;
+ }
+
+ return PHY_INTERFACE_MODE_NONE;
+}