2 * Copyright 2012 Freescale Semiconductor, Inc.
3 * Roy Zang <tie-fei.zang@freescale.com>
5 * SPDX-License-Identifier: GPL-2.0+
8 /* MAXFRM - maximum frame length */
9 #define MAXFRM_MASK 0x0000ffff
13 #include <asm/types.h>
15 #include <asm/fsl_memac.h>
19 static void memac_init_mac(struct fsl_enet_mac *mac)
21 struct memac *regs = mac->base;
23 /* mask all interrupt */
24 out_be32(®s->imask, IMASK_MASK_ALL);
26 /* clear all events */
27 out_be32(®s->ievent, IEVENT_CLEAR_ALL);
29 /* set the max receive length */
30 out_be32(®s->maxfrm, mac->max_rx_len & MAXFRM_MASK);
32 /* multicast frame reception for the hash entry disable */
33 out_be32(®s->hashtable_ctrl, 0);
36 static void memac_enable_mac(struct fsl_enet_mac *mac)
38 struct memac *regs = mac->base;
40 setbits_be32(®s->command_config, MEMAC_CMD_CFG_RXTX_EN);
43 static void memac_disable_mac(struct fsl_enet_mac *mac)
45 struct memac *regs = mac->base;
47 clrbits_be32(®s->command_config, MEMAC_CMD_CFG_RXTX_EN);
50 static void memac_set_mac_addr(struct fsl_enet_mac *mac, u8 *mac_addr)
52 struct memac *regs = mac->base;
53 u32 mac_addr0, mac_addr1;
56 * if a station address of 0x12345678ABCD, perform a write to
57 * MAC_ADDR0 of 0x78563412, MAC_ADDR1 of 0x0000CDAB
59 mac_addr0 = (mac_addr[3] << 24) | (mac_addr[2] << 16) | \
60 (mac_addr[1] << 8) | (mac_addr[0]);
61 out_be32(®s->mac_addr_0, mac_addr0);
63 mac_addr1 = ((mac_addr[5] << 8) | mac_addr[4]) & 0x0000ffff;
64 out_be32(®s->mac_addr_1, mac_addr1);
67 static void memac_set_interface_mode(struct fsl_enet_mac *mac,
68 phy_interface_t type, int speed)
70 /* Roy need more work here */
72 struct memac *regs = mac->base;
73 u32 if_mode, if_status;
75 /* clear all bits relative with interface mode */
76 if_mode = in_be32(®s->if_mode);
77 if_status = in_be32(®s->if_status);
79 /* set interface mode */
81 case PHY_INTERFACE_MODE_GMII:
82 if_mode &= ~IF_MODE_MASK;
83 if_mode |= IF_MODE_GMII;
85 case PHY_INTERFACE_MODE_RGMII:
86 if_mode |= (IF_MODE_GMII | IF_MODE_RG);
88 case PHY_INTERFACE_MODE_RMII:
89 if_mode |= (IF_MODE_GMII | IF_MODE_RM);
91 case PHY_INTERFACE_MODE_SGMII:
92 case PHY_INTERFACE_MODE_QSGMII:
93 if_mode &= ~IF_MODE_MASK;
94 if_mode |= (IF_MODE_GMII);
99 /* Enable automatic speed selection */
100 if_mode |= IF_MODE_EN_AUTO;
102 if (type == PHY_INTERFACE_MODE_RGMII) {
103 if_mode &= ~IF_MODE_EN_AUTO;
104 if_mode &= ~IF_MODE_SETSP_MASK;
107 if_mode |= IF_MODE_SETSP_1000M;
110 if_mode |= IF_MODE_SETSP_100M;
113 if_mode |= IF_MODE_SETSP_10M;
119 debug(" %s, if_mode = %x\n", __func__, if_mode);
120 debug(" %s, if_status = %x\n", __func__, if_status);
121 out_be32(®s->if_mode, if_mode);
125 void init_memac(struct fsl_enet_mac *mac, void *base,
126 void *phyregs, int max_rx_len)
129 mac->phyregs = phyregs;
130 mac->max_rx_len = max_rx_len;
131 mac->init_mac = memac_init_mac;
132 mac->enable_mac = memac_enable_mac;
133 mac->disable_mac = memac_disable_mac;
134 mac->set_mac_addr = memac_set_mac_addr;
135 mac->set_if_mode = memac_set_interface_mode;