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path: root/drivers/net/fm/ls1046.c
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Diffstat (limited to 'drivers/net/fm/ls1046.c')
-rw-r--r--drivers/net/fm/ls1046.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/net/fm/ls1046.c b/drivers/net/fm/ls1046.c
new file mode 100644
index 0000000..bf55554
--- /dev/null
+++ b/drivers/net/fm/ls1046.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <phy.h>
+#include <fm_eth.h>
+#include <asm/io.h>
+#include <asm/arch/fsl_serdes.h>
+
+#define FSL_CHASSIS2_RCWSR13_EC1 0xe0000000 /* bits 416..418 */
+#define FSL_CHASSIS2_RCWSR13_EC1_DTSEC3_RGMII 0x00000000
+#define FSL_CHASSIS2_RCWSR13_EC1_GPIO 0x20000000
+#define FSL_CHASSIS2_RCWSR13_EC1_FTM 0xa0000000
+#define FSL_CHASSIS2_RCWSR13_EC2 0x1c000000 /* bits 419..421 */
+#define FSL_CHASSIS2_RCWSR13_EC2_DTSEC4_RGMII 0x00000000
+#define FSL_CHASSIS2_RCWSR13_EC2_GPIO 0x04000000
+#define FSL_CHASSIS2_RCWSR13_EC2_1588 0x08000000
+#define FSL_CHASSIS2_RCWSR13_EC2_FTM 0x14000000
+
+u32 port_to_devdisr[] = {
+ [FM1_DTSEC1] = FSL_CHASSIS2_DEVDISR2_DTSEC1_1,
+ [FM1_DTSEC2] = FSL_CHASSIS2_DEVDISR2_DTSEC1_2,
+ [FM1_DTSEC3] = FSL_CHASSIS2_DEVDISR2_DTSEC1_3,
+ [FM1_DTSEC4] = FSL_CHASSIS2_DEVDISR2_DTSEC1_4,
+ [FM1_DTSEC5] = FSL_CHASSIS2_DEVDISR2_DTSEC1_5,
+ [FM1_DTSEC6] = FSL_CHASSIS2_DEVDISR2_DTSEC1_6,
+ [FM1_DTSEC9] = FSL_CHASSIS2_DEVDISR2_DTSEC1_9,
+ [FM1_DTSEC10] = FSL_CHASSIS2_DEVDISR2_DTSEC1_10,
+ [FM1_10GEC1] = FSL_CHASSIS2_DEVDISR2_10GEC1_1,
+ [FM1_10GEC2] = FSL_CHASSIS2_DEVDISR2_10GEC1_2,
+ [FM1_10GEC3] = FSL_CHASSIS2_DEVDISR2_10GEC1_3,
+ [FM1_10GEC4] = FSL_CHASSIS2_DEVDISR2_10GEC1_4,
+};
+
+static int is_device_disabled(enum fm_port port)
+{
+ struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+ u32 devdisr2 = in_be32(&gur->devdisr2);
+
+ return port_to_devdisr[port] & devdisr2;
+}
+
+void fman_disable_port(enum fm_port port)
+{
+ struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+
+ setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
+}
+
+phy_interface_t fman_port_enet_if(enum fm_port port)
+{
+ struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+ u32 rcwsr13 = in_be32(&gur->rcwsr[13]);
+
+ if (is_device_disabled(port))
+ return PHY_INTERFACE_MODE_NONE;
+
+ if ((port == FM1_10GEC1) && (is_serdes_configured(XFI_FM1_MAC9)))
+ return PHY_INTERFACE_MODE_XGMII;
+
+ if ((port == FM1_DTSEC9) && (is_serdes_configured(XFI_FM1_MAC9)))
+ return PHY_INTERFACE_MODE_NONE;
+
+ if ((port == FM1_10GEC2) && (is_serdes_configured(XFI_FM1_MAC10)))
+ return PHY_INTERFACE_MODE_XGMII;
+
+ if ((port == FM1_DTSEC10) && (is_serdes_configured(XFI_FM1_MAC10)))
+ return PHY_INTERFACE_MODE_NONE;
+
+ if (port == FM1_DTSEC3)
+ if ((rcwsr13 & FSL_CHASSIS2_RCWSR13_EC1) ==
+ FSL_CHASSIS2_RCWSR13_EC1_DTSEC3_RGMII)
+ return PHY_INTERFACE_MODE_RGMII;
+
+ if (port == FM1_DTSEC4)
+ if ((rcwsr13 & FSL_CHASSIS2_RCWSR13_EC2) ==
+ FSL_CHASSIS2_RCWSR13_EC2_DTSEC4_RGMII)
+ return PHY_INTERFACE_MODE_RGMII;
+
+ /* handle SGMII, only MAC 2/5/6/9/10 available */
+ switch (port) {
+ case FM1_DTSEC2:
+ case FM1_DTSEC5:
+ case FM1_DTSEC6:
+ case FM1_DTSEC9:
+ case FM1_DTSEC10:
+ if (is_serdes_configured(SGMII_FM1_DTSEC2 + port - FM1_DTSEC2))
+ return PHY_INTERFACE_MODE_SGMII;
+ break;
+ default:
+ break;
+ }
+
+ /* handle 2.5G SGMII, only MAC 5/9/10 available */
+ switch (port) {
+ case FM1_DTSEC5:
+ case FM1_DTSEC9:
+ case FM1_DTSEC10:
+ if (is_serdes_configured(SGMII_2500_FM1_DTSEC5 +
+ port - FM1_DTSEC5))
+ return PHY_INTERFACE_MODE_SGMII_2500;
+ break;
+ default:
+ break;
+ }
+
+ /* handle QSGMII, only MAC 1/5/6/10 available */
+ switch (port) {
+ case FM1_DTSEC1:
+ case FM1_DTSEC5:
+ case FM1_DTSEC6:
+ case FM1_DTSEC10:
+ if (is_serdes_configured(QSGMII_FM1_A))
+ return PHY_INTERFACE_MODE_QSGMII;
+ break;
+ default:
+ break;
+ }
+
+ return PHY_INTERFACE_MODE_NONE;
+}