developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame^] | 1 | /* Copyright 2016 MediaTek Inc. |
| 2 | * Author: Nelson Chang <nelson.chang@mediatek.com> |
| 3 | * Author: Carlos Huang <carlos.huang@mediatek.com> |
| 4 | * Author: Harry Huang <harry.huang@mediatek.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | #include "raether.h" |
| 16 | |
| 17 | void enable_auto_negotiate(struct END_DEVICE *ei_local) |
| 18 | { |
| 19 | u32 reg_value; |
| 20 | pr_info("=================================\n"); |
| 21 | pr_info("enable_auto_negotiate\n"); |
| 22 | |
| 23 | /* FIXME: we don't know how to deal with PHY end addr */ |
| 24 | reg_value = sys_reg_read(ESW_PHY_POLLING); |
| 25 | reg_value |= (1 << 31); |
| 26 | reg_value &= ~(0x1f); |
| 27 | reg_value &= ~(0x1f << 8); |
| 28 | |
| 29 | if (ei_local->architecture & (GE2_RGMII_AN | GE2_SGMII_AN)) { |
| 30 | /* setup PHY address for auto polling (Start Addr). */ |
| 31 | /*avoid end phy address = 0 */ |
| 32 | reg_value |= ((mac_to_gigaphy_mode_addr2 - 1) & 0x1f); |
| 33 | /* setup PHY address for auto polling (End Addr). */ |
| 34 | reg_value |= (mac_to_gigaphy_mode_addr2 << 8); |
| 35 | } else if (ei_local->architecture & (GE1_RGMII_AN | GE1_SGMII_AN | LEOPARD_EPHY)) { |
| 36 | /* setup PHY address for auto polling (Start Addr). */ |
| 37 | reg_value |= (mac_to_gigaphy_mode_addr << 0); |
| 38 | /* setup PHY address for auto polling (End Addr). */ |
| 39 | reg_value |= ((mac_to_gigaphy_mode_addr + 1) << 8); |
| 40 | } |
| 41 | |
| 42 | sys_reg_write(ESW_PHY_POLLING, reg_value); |
| 43 | } |
| 44 | |
| 45 | void ra2880stop(struct END_DEVICE *ei_local) |
| 46 | { |
| 47 | unsigned int reg_value; |
| 48 | |
| 49 | pr_info("ra2880stop()..."); |
| 50 | |
| 51 | reg_value = sys_reg_read(DMA_GLO_CFG); |
| 52 | reg_value &= ~(TX_WB_DDONE | RX_DMA_EN | TX_DMA_EN); |
| 53 | sys_reg_write(DMA_GLO_CFG, reg_value); |
| 54 | |
| 55 | pr_info("Done\n"); |
| 56 | } |
| 57 | |
| 58 | void set_mac_address(unsigned char p[6]) |
| 59 | { |
| 60 | unsigned long reg_value; |
| 61 | |
| 62 | reg_value = (p[0] << 8) | (p[1]); |
| 63 | sys_reg_write(GDMA1_MAC_ADRH, reg_value); |
| 64 | |
| 65 | reg_value = (unsigned long)((p[2] << 24) | (p[3] << 16) | (p[4] << 8) | p[5]); |
| 66 | sys_reg_write(GDMA1_MAC_ADRL, reg_value); |
| 67 | } |
| 68 | |
| 69 | void set_mac2_address(unsigned char p[6]) |
| 70 | { |
| 71 | unsigned long reg_value; |
| 72 | |
| 73 | reg_value = (p[0] << 8) | (p[1]); |
| 74 | sys_reg_write(GDMA2_MAC_ADRH, reg_value); |
| 75 | |
| 76 | reg_value = (unsigned long)((p[2] << 24) | (p[3] << 16) | (p[4] << 8) | p[5]); |
| 77 | sys_reg_write(GDMA2_MAC_ADRL, reg_value); |
| 78 | } |
| 79 | |
| 80 | static int getnext(const char *src, int separator, char *dest) |
| 81 | { |
| 82 | char *c; |
| 83 | int len; |
| 84 | |
| 85 | if (!src || !dest) |
| 86 | return -1; |
| 87 | |
| 88 | c = strchr(src, separator); |
| 89 | if (!c) { |
| 90 | strcpy(dest, src); |
| 91 | return -1; |
| 92 | } |
| 93 | len = c - src; |
| 94 | strncpy(dest, src, len); |
| 95 | dest[len] = '\0'; |
| 96 | return len + 1; |
| 97 | } |
| 98 | |
| 99 | int str_to_ip(unsigned int *ip, const char *str) |
| 100 | { |
| 101 | int len; |
| 102 | const char *ptr = str; |
| 103 | char buf[128]; |
| 104 | unsigned char c[4]; |
| 105 | int i; |
| 106 | int ret; |
| 107 | |
| 108 | for (i = 0; i < 3; ++i) { |
| 109 | len = getnext(ptr, '.', buf); |
| 110 | if (len == -1) |
| 111 | return 1; /* parse error */ |
| 112 | |
| 113 | ret = kstrtoul(buf, 10, (unsigned long *)&c[i]); |
| 114 | if (ret) |
| 115 | return ret; |
| 116 | |
| 117 | ptr += len; |
| 118 | } |
| 119 | ret = kstrtoul(ptr, 0, (unsigned long *)&c[3]); |
| 120 | if (ret) |
| 121 | return ret; |
| 122 | |
| 123 | *ip = (c[0] << 24) + (c[1] << 16) + (c[2] << 8) + c[3]; |
| 124 | |
| 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | void set_ge1_force_1000(void) |
| 129 | { |
| 130 | sys_reg_write(ETHDMASYS_ETH_MAC_BASE + 0x100, 0x2105e33b); |
| 131 | } |
| 132 | |
| 133 | void set_ge2_force_1000(void) |
| 134 | { |
| 135 | sys_reg_write(ETHDMASYS_ETH_MAC_BASE + 0x200, 0x2105e33b); |
| 136 | } |
| 137 | |
| 138 | void set_ge1_an(void) |
| 139 | { |
| 140 | sys_reg_write(ETHDMASYS_ETH_MAC_BASE + 0x100, 0x21056300); |
| 141 | } |
| 142 | |
| 143 | void set_ge2_an(void) |
| 144 | { |
| 145 | sys_reg_write(ETHDMASYS_ETH_MAC_BASE + 0x200, 0x21056300); |
| 146 | } |
| 147 | |
| 148 | void set_ge2_gmii(void) |
| 149 | { |
| 150 | void __iomem *virt_addr; |
| 151 | unsigned int reg_value; |
| 152 | |
| 153 | virt_addr = ioremap(ETHSYS_BASE, 0x20); |
| 154 | reg_value = sys_reg_read(virt_addr + 0x14); |
| 155 | /*[15:14] =0 RGMII, [8] = 0 SGMII disable*/ |
| 156 | reg_value = reg_value & (~0xc100); |
| 157 | reg_value = reg_value | 0x4000; |
| 158 | sys_reg_write(virt_addr + 0x14, reg_value); |
| 159 | iounmap(virt_addr); |
| 160 | } |
| 161 | |
| 162 | void set_ge0_gmii(void) |
| 163 | { |
| 164 | void __iomem *virt_addr; |
| 165 | unsigned int reg_value; |
| 166 | |
| 167 | virt_addr = ioremap(ETHSYS_BASE, 0x20); |
| 168 | reg_value = sys_reg_read(virt_addr + 0x14); |
| 169 | /*[15:14] =0 RGMII, [8] = 0 SGMII disable*/ |
| 170 | reg_value = reg_value & (~0xc000); |
| 171 | reg_value = reg_value | 0x400; |
| 172 | sys_reg_write(virt_addr + 0x14, reg_value); |
| 173 | iounmap(virt_addr); |
| 174 | } |
| 175 | |
| 176 | void set_ge2_force_link_down(void) |
| 177 | { |
| 178 | sys_reg_write(ETHDMASYS_ETH_MAC_BASE + 0x200, 0x2105e300); |
| 179 | } |