drivers: net/fm: Add Fman support for LS1046A

The Fman module on LS1046A is similiar with that on LS1043A but
LS1046A has one more XFI (10GbE) interface.

Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

diff --git a/drivers/net/fm/Makefile b/drivers/net/fm/Makefile
index 493cdc6..344fbe2 100644 (file)
--- a/drivers/net/fm/Makefile
+++ b/drivers/net/fm/Makefile
@@ -39,3 +39,4 @@ obj-$(CONFIG_PPC_T4080) += t4240.o
 obj-$(CONFIG_PPC_B4420) += b4860.o
 obj-$(CONFIG_PPC_B4860) += b4860.o
 obj-$(CONFIG_LS1043A)  += ls1043.o
+obj-$(CONFIG_LS1046A)  += ls1046.o

diff --git a/drivers/net/fm/ls1046.c b/drivers/net/fm/ls1046.c
new file mode 100644 (file)
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;
+}