Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Gerald Kerma | 06990b8 | 2015-10-23 09:50:58 +0200 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2015 |
| 4 | * Gerald Kerma <dreagle@doukki.net> |
| 5 | * Tony Dinh <mibodhi@gmail.com> |
Gerald Kerma | 06990b8 | 2015-10-23 09:50:58 +0200 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <miiphy.h> |
Simon Glass | 0c36441 | 2019-12-28 10:44:48 -0700 | [diff] [blame] | 10 | #include <net.h> |
Gerald Kerma | 06990b8 | 2015-10-23 09:50:58 +0200 | [diff] [blame] | 11 | #include <asm/arch/cpu.h> |
| 12 | #include <asm/arch/soc.h> |
| 13 | #include <asm/arch/mpp.h> |
| 14 | #include <asm/io.h> |
| 15 | #include "nsa310s.h" |
| 16 | |
| 17 | DECLARE_GLOBAL_DATA_PTR; |
| 18 | |
| 19 | int board_early_init_f(void) |
| 20 | { |
| 21 | /* |
| 22 | * default gpio configuration |
| 23 | * There are maximum 64 gpios controlled through 2 sets of registers |
| 24 | * the below configuration configures mainly initial LED status |
| 25 | */ |
| 26 | mvebu_config_gpio(NSA310S_VAL_LOW, NSA310S_VAL_HIGH, |
| 27 | NSA310S_OE_LOW, NSA310S_OE_HIGH); |
| 28 | |
| 29 | /* (all LEDs & power off active high) */ |
| 30 | /* Multi-Purpose Pins Functionality configuration */ |
| 31 | static const u32 kwmpp_config[] = { |
| 32 | MPP0_NF_IO2, |
| 33 | MPP1_NF_IO3, |
| 34 | MPP2_NF_IO4, |
| 35 | MPP3_NF_IO5, |
| 36 | MPP4_NF_IO6, |
| 37 | MPP5_NF_IO7, |
| 38 | MPP6_SYSRST_OUTn, |
| 39 | MPP7_GPO, |
| 40 | MPP8_TW_SDA, |
| 41 | MPP9_TW_SCK, |
| 42 | MPP10_UART0_TXD, |
| 43 | MPP11_UART0_RXD, |
| 44 | MPP12_GPO, |
| 45 | MPP13_GPIO, |
| 46 | MPP14_GPIO, |
| 47 | MPP15_GPIO, |
| 48 | MPP16_GPIO, |
| 49 | MPP17_GPIO, |
| 50 | MPP18_NF_IO0, |
| 51 | MPP19_NF_IO1, |
| 52 | MPP20_GPIO, |
| 53 | MPP21_GPIO, |
| 54 | MPP22_GPIO, |
| 55 | MPP23_GPIO, |
| 56 | MPP24_GPIO, |
| 57 | MPP25_GPIO, |
| 58 | MPP26_GPIO, |
| 59 | MPP27_GPIO, |
| 60 | MPP28_GPIO, |
| 61 | MPP29_GPIO, |
| 62 | MPP30_GPIO, |
| 63 | MPP31_GPIO, |
| 64 | MPP32_GPIO, |
| 65 | MPP33_GPIO, |
| 66 | MPP34_GPIO, |
| 67 | MPP35_GPIO, |
| 68 | 0 |
| 69 | }; |
| 70 | kirkwood_mpp_conf(kwmpp_config, NULL); |
| 71 | return 0; |
| 72 | } |
| 73 | |
| 74 | int board_init(void) |
| 75 | { |
| 76 | /* address of boot parameters */ |
| 77 | gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; |
| 78 | |
| 79 | return 0; |
| 80 | } |
| 81 | |
| 82 | #ifdef CONFIG_RESET_PHY_R |
| 83 | void reset_phy(void) |
| 84 | { |
| 85 | u16 reg; |
| 86 | u16 phyaddr; |
| 87 | char *name = "egiga0"; |
| 88 | |
| 89 | if (miiphy_set_current_dev(name)) |
| 90 | return; |
| 91 | |
| 92 | /* read PHY dev address */ |
| 93 | if (miiphy_read(name, 0xee, 0xee, (u16 *) &phyaddr)) { |
| 94 | printf("could not read PHY dev address\n"); |
| 95 | return; |
| 96 | } |
| 97 | |
| 98 | /* set RGMII delay */ |
| 99 | miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, MV88E1318_MAC_CTRL_PG); |
| 100 | miiphy_read(name, phyaddr, MV88E1318_MAC_CTRL_REG, ®); |
| 101 | reg |= (MV88E1318_RGMII_RX_CTRL | MV88E1318_RGMII_TX_CTRL); |
| 102 | miiphy_write(name, phyaddr, MV88E1318_MAC_CTRL_REG, reg); |
| 103 | miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, 0); |
| 104 | |
| 105 | /* reset PHY */ |
| 106 | if (miiphy_reset(name, phyaddr)) |
| 107 | return; |
| 108 | |
| 109 | /* |
| 110 | * ZyXEL NSA310S uses the 88E1310S Alaska (interface identical to 88E1318) |
| 111 | * and has an MCU attached to the LED[2] via tristate interrupt |
| 112 | */ |
| 113 | |
| 114 | /* switch to LED register page */ |
| 115 | miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, MV88E1318_LED_PG); |
| 116 | /* read out LED polarity register */ |
| 117 | miiphy_read(name, phyaddr, MV88E1318_LED_POL_REG, ®); |
| 118 | /* clear 4, set 5 - LED2 low, tri-state */ |
| 119 | reg &= ~(MV88E1318_LED2_4); |
| 120 | reg |= (MV88E1318_LED2_5); |
| 121 | /* write back LED polarity register */ |
| 122 | miiphy_write(name, phyaddr, MV88E1318_LED_POL_REG, reg); |
| 123 | /* jump back to page 0, per the PHY chip documenation. */ |
| 124 | miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, 0); |
| 125 | |
| 126 | /* set PHY back to auto-negotiation mode */ |
| 127 | miiphy_write(name, phyaddr, 0x4, 0x1e1); |
| 128 | miiphy_write(name, phyaddr, 0x9, 0x300); |
| 129 | /* downshift */ |
| 130 | miiphy_write(name, phyaddr, 0x10, 0x3860); |
| 131 | miiphy_write(name, phyaddr, 0x0, 0x9140); |
| 132 | } |
| 133 | #endif /* CONFIG_RESET_PHY_R */ |