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Roy Zang111fd192012-10-08 07:44:21 +00001/*
2 * Copyright 2012 Freescale Semiconductor, Inc.
3 * Roy Zang <tie-fei.zang@freescale.com>
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Roy Zang111fd192012-10-08 07:44:21 +00006 */
7
8/* MAXFRM - maximum frame length */
9#define MAXFRM_MASK 0x0000ffff
10
11#include <common.h>
12#include <phy.h>
13#include <asm/types.h>
14#include <asm/io.h>
Roy Zang111fd192012-10-08 07:44:21 +000015#include <asm/fsl_memac.h>
16
17#include "fm.h"
18
19static void memac_init_mac(struct fsl_enet_mac *mac)
20{
21 struct memac *regs = mac->base;
22
23 /* mask all interrupt */
24 out_be32(&regs->imask, IMASK_MASK_ALL);
25
26 /* clear all events */
27 out_be32(&regs->ievent, IEVENT_CLEAR_ALL);
28
29 /* set the max receive length */
30 out_be32(&regs->maxfrm, mac->max_rx_len & MAXFRM_MASK);
31
32 /* multicast frame reception for the hash entry disable */
33 out_be32(&regs->hashtable_ctrl, 0);
34}
35
36static void memac_enable_mac(struct fsl_enet_mac *mac)
37{
38 struct memac *regs = mac->base;
39
Shaohui Xieff5fb2a2014-08-13 18:32:19 +080040 setbits_be32(&regs->command_config,
41 MEMAC_CMD_CFG_RXTX_EN | MEMAC_CMD_CFG_NO_LEN_CHK);
Roy Zang111fd192012-10-08 07:44:21 +000042}
43
44static void memac_disable_mac(struct fsl_enet_mac *mac)
45{
46 struct memac *regs = mac->base;
47
48 clrbits_be32(&regs->command_config, MEMAC_CMD_CFG_RXTX_EN);
49}
50
51static void memac_set_mac_addr(struct fsl_enet_mac *mac, u8 *mac_addr)
52{
53 struct memac *regs = mac->base;
54 u32 mac_addr0, mac_addr1;
55
56 /*
57 * if a station address of 0x12345678ABCD, perform a write to
58 * MAC_ADDR0 of 0x78563412, MAC_ADDR1 of 0x0000CDAB
59 */
60 mac_addr0 = (mac_addr[3] << 24) | (mac_addr[2] << 16) | \
61 (mac_addr[1] << 8) | (mac_addr[0]);
62 out_be32(&regs->mac_addr_0, mac_addr0);
63
64 mac_addr1 = ((mac_addr[5] << 8) | mac_addr[4]) & 0x0000ffff;
65 out_be32(&regs->mac_addr_1, mac_addr1);
66}
67
68static void memac_set_interface_mode(struct fsl_enet_mac *mac,
69 phy_interface_t type, int speed)
70{
71 /* Roy need more work here */
72
73 struct memac *regs = mac->base;
74 u32 if_mode, if_status;
75
76 /* clear all bits relative with interface mode */
77 if_mode = in_be32(&regs->if_mode);
78 if_status = in_be32(&regs->if_status);
79
80 /* set interface mode */
81 switch (type) {
82 case PHY_INTERFACE_MODE_GMII:
83 if_mode &= ~IF_MODE_MASK;
84 if_mode |= IF_MODE_GMII;
85 break;
86 case PHY_INTERFACE_MODE_RGMII:
87 if_mode |= (IF_MODE_GMII | IF_MODE_RG);
88 break;
89 case PHY_INTERFACE_MODE_RMII:
90 if_mode |= (IF_MODE_GMII | IF_MODE_RM);
91 break;
92 case PHY_INTERFACE_MODE_SGMII:
Shaohui Xie1c68d012013-08-19 18:58:52 +080093 case PHY_INTERFACE_MODE_QSGMII:
Roy Zang111fd192012-10-08 07:44:21 +000094 if_mode &= ~IF_MODE_MASK;
95 if_mode |= (IF_MODE_GMII);
96 break;
Shaohui Xieff5fb2a2014-08-13 18:32:19 +080097 case PHY_INTERFACE_MODE_XGMII:
98 if_mode &= ~IF_MODE_MASK;
99 if_mode |= IF_MODE_XGMII;
100 break;
Roy Zang111fd192012-10-08 07:44:21 +0000101 default:
102 break;
103 }
Shaohui Xieff5fb2a2014-08-13 18:32:19 +0800104 /* Enable automatic speed selection for Non-XGMII */
105 if (type != PHY_INTERFACE_MODE_XGMII)
106 if_mode |= IF_MODE_EN_AUTO;
Roy Zang111fd192012-10-08 07:44:21 +0000107
Zang Roy-R61911c5729f02013-03-04 03:59:20 +0000108 if (type == PHY_INTERFACE_MODE_RGMII) {
109 if_mode &= ~IF_MODE_EN_AUTO;
110 if_mode &= ~IF_MODE_SETSP_MASK;
111 switch (speed) {
112 case SPEED_1000:
113 if_mode |= IF_MODE_SETSP_1000M;
114 break;
115 case SPEED_100:
116 if_mode |= IF_MODE_SETSP_100M;
117 break;
118 case SPEED_10:
119 if_mode |= IF_MODE_SETSP_10M;
120 default:
121 break;
122 }
123 }
124
Roy Zang111fd192012-10-08 07:44:21 +0000125 debug(" %s, if_mode = %x\n", __func__, if_mode);
126 debug(" %s, if_status = %x\n", __func__, if_status);
127 out_be32(&regs->if_mode, if_mode);
128 return;
129}
130
131void init_memac(struct fsl_enet_mac *mac, void *base,
132 void *phyregs, int max_rx_len)
133{
134 mac->base = base;
135 mac->phyregs = phyregs;
136 mac->max_rx_len = max_rx_len;
137 mac->init_mac = memac_init_mac;
138 mac->enable_mac = memac_enable_mac;
139 mac->disable_mac = memac_disable_mac;
140 mac->set_mac_addr = memac_set_mac_addr;
141 mac->set_if_mode = memac_set_interface_mode;
142}