Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Mingkai Hu | d62ecb4 | 2016-07-05 16:01:56 +0800 | [diff] [blame] | 2 | /* |
| 3 | * Copyright 2016 Freescale Semiconductor, Inc. |
Mingkai Hu | d62ecb4 | 2016-07-05 16:01:56 +0800 | [diff] [blame] | 4 | */ |
| 5 | #include <common.h> |
| 6 | #include <phy.h> |
| 7 | #include <fm_eth.h> |
| 8 | #include <asm/io.h> |
| 9 | #include <asm/arch/fsl_serdes.h> |
| 10 | |
| 11 | #define FSL_CHASSIS2_RCWSR13_EC1 0xe0000000 /* bits 416..418 */ |
| 12 | #define FSL_CHASSIS2_RCWSR13_EC1_DTSEC3_RGMII 0x00000000 |
| 13 | #define FSL_CHASSIS2_RCWSR13_EC1_GPIO 0x20000000 |
| 14 | #define FSL_CHASSIS2_RCWSR13_EC1_FTM 0xa0000000 |
| 15 | #define FSL_CHASSIS2_RCWSR13_EC2 0x1c000000 /* bits 419..421 */ |
| 16 | #define FSL_CHASSIS2_RCWSR13_EC2_DTSEC4_RGMII 0x00000000 |
| 17 | #define FSL_CHASSIS2_RCWSR13_EC2_GPIO 0x04000000 |
| 18 | #define FSL_CHASSIS2_RCWSR13_EC2_1588 0x08000000 |
| 19 | #define FSL_CHASSIS2_RCWSR13_EC2_FTM 0x14000000 |
| 20 | |
| 21 | u32 port_to_devdisr[] = { |
| 22 | [FM1_DTSEC1] = FSL_CHASSIS2_DEVDISR2_DTSEC1_1, |
| 23 | [FM1_DTSEC2] = FSL_CHASSIS2_DEVDISR2_DTSEC1_2, |
| 24 | [FM1_DTSEC3] = FSL_CHASSIS2_DEVDISR2_DTSEC1_3, |
| 25 | [FM1_DTSEC4] = FSL_CHASSIS2_DEVDISR2_DTSEC1_4, |
| 26 | [FM1_DTSEC5] = FSL_CHASSIS2_DEVDISR2_DTSEC1_5, |
| 27 | [FM1_DTSEC6] = FSL_CHASSIS2_DEVDISR2_DTSEC1_6, |
| 28 | [FM1_DTSEC9] = FSL_CHASSIS2_DEVDISR2_DTSEC1_9, |
| 29 | [FM1_DTSEC10] = FSL_CHASSIS2_DEVDISR2_DTSEC1_10, |
| 30 | [FM1_10GEC1] = FSL_CHASSIS2_DEVDISR2_10GEC1_1, |
| 31 | [FM1_10GEC2] = FSL_CHASSIS2_DEVDISR2_10GEC1_2, |
| 32 | [FM1_10GEC3] = FSL_CHASSIS2_DEVDISR2_10GEC1_3, |
| 33 | [FM1_10GEC4] = FSL_CHASSIS2_DEVDISR2_10GEC1_4, |
| 34 | }; |
| 35 | |
| 36 | static int is_device_disabled(enum fm_port port) |
| 37 | { |
| 38 | struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); |
| 39 | u32 devdisr2 = in_be32(&gur->devdisr2); |
| 40 | |
| 41 | return port_to_devdisr[port] & devdisr2; |
| 42 | } |
| 43 | |
| 44 | void fman_disable_port(enum fm_port port) |
| 45 | { |
| 46 | struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); |
| 47 | |
| 48 | setbits_be32(&gur->devdisr2, port_to_devdisr[port]); |
| 49 | } |
| 50 | |
| 51 | phy_interface_t fman_port_enet_if(enum fm_port port) |
| 52 | { |
| 53 | struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); |
| 54 | u32 rcwsr13 = in_be32(&gur->rcwsr[13]); |
| 55 | |
| 56 | if (is_device_disabled(port)) |
| 57 | return PHY_INTERFACE_MODE_NONE; |
| 58 | |
| 59 | if ((port == FM1_10GEC1) && (is_serdes_configured(XFI_FM1_MAC9))) |
| 60 | return PHY_INTERFACE_MODE_XGMII; |
| 61 | |
| 62 | if ((port == FM1_DTSEC9) && (is_serdes_configured(XFI_FM1_MAC9))) |
| 63 | return PHY_INTERFACE_MODE_NONE; |
| 64 | |
| 65 | if ((port == FM1_10GEC2) && (is_serdes_configured(XFI_FM1_MAC10))) |
| 66 | return PHY_INTERFACE_MODE_XGMII; |
| 67 | |
| 68 | if ((port == FM1_DTSEC10) && (is_serdes_configured(XFI_FM1_MAC10))) |
| 69 | return PHY_INTERFACE_MODE_NONE; |
| 70 | |
| 71 | if (port == FM1_DTSEC3) |
| 72 | if ((rcwsr13 & FSL_CHASSIS2_RCWSR13_EC1) == |
| 73 | FSL_CHASSIS2_RCWSR13_EC1_DTSEC3_RGMII) |
Madalin Bucur | b54666e | 2020-03-12 14:53:46 +0200 | [diff] [blame] | 74 | return PHY_INTERFACE_MODE_RGMII_ID; |
Mingkai Hu | d62ecb4 | 2016-07-05 16:01:56 +0800 | [diff] [blame] | 75 | |
| 76 | if (port == FM1_DTSEC4) |
| 77 | if ((rcwsr13 & FSL_CHASSIS2_RCWSR13_EC2) == |
| 78 | FSL_CHASSIS2_RCWSR13_EC2_DTSEC4_RGMII) |
Madalin Bucur | b54666e | 2020-03-12 14:53:46 +0200 | [diff] [blame] | 79 | return PHY_INTERFACE_MODE_RGMII_ID; |
Mingkai Hu | d62ecb4 | 2016-07-05 16:01:56 +0800 | [diff] [blame] | 80 | |
| 81 | /* handle SGMII, only MAC 2/5/6/9/10 available */ |
| 82 | switch (port) { |
| 83 | case FM1_DTSEC2: |
| 84 | case FM1_DTSEC5: |
| 85 | case FM1_DTSEC6: |
| 86 | case FM1_DTSEC9: |
| 87 | case FM1_DTSEC10: |
| 88 | if (is_serdes_configured(SGMII_FM1_DTSEC2 + port - FM1_DTSEC2)) |
| 89 | return PHY_INTERFACE_MODE_SGMII; |
| 90 | break; |
| 91 | default: |
| 92 | break; |
| 93 | } |
| 94 | |
| 95 | /* handle 2.5G SGMII, only MAC 5/9/10 available */ |
| 96 | switch (port) { |
| 97 | case FM1_DTSEC5: |
| 98 | case FM1_DTSEC9: |
| 99 | case FM1_DTSEC10: |
| 100 | if (is_serdes_configured(SGMII_2500_FM1_DTSEC5 + |
| 101 | port - FM1_DTSEC5)) |
| 102 | return PHY_INTERFACE_MODE_SGMII_2500; |
| 103 | break; |
| 104 | default: |
| 105 | break; |
| 106 | } |
| 107 | |
| 108 | /* handle QSGMII, only MAC 1/5/6/10 available */ |
| 109 | switch (port) { |
| 110 | case FM1_DTSEC1: |
| 111 | case FM1_DTSEC5: |
| 112 | case FM1_DTSEC6: |
| 113 | case FM1_DTSEC10: |
| 114 | if (is_serdes_configured(QSGMII_FM1_A)) |
| 115 | return PHY_INTERFACE_MODE_QSGMII; |
| 116 | break; |
| 117 | default: |
| 118 | break; |
| 119 | } |
| 120 | |
| 121 | return PHY_INTERFACE_MODE_NONE; |
| 122 | } |