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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Gerald Kerma06990b82015-10-23 09:50:58 +02002/*
3 * Copyright (C) 2015
4 * Gerald Kerma <dreagle@doukki.net>
5 * Tony Dinh <mibodhi@gmail.com>
Gerald Kerma06990b82015-10-23 09:50:58 +02006 */
7
8#include <common.h>
Simon Glass97589732020-05-10 11:40:02 -06009#include <init.h>
Gerald Kerma06990b82015-10-23 09:50:58 +020010#include <miiphy.h>
Simon Glass0c364412019-12-28 10:44:48 -070011#include <net.h>
Gerald Kerma06990b82015-10-23 09:50:58 +020012#include <asm/arch/cpu.h>
13#include <asm/arch/soc.h>
14#include <asm/arch/mpp.h>
15#include <asm/io.h>
16#include "nsa310s.h"
17
18DECLARE_GLOBAL_DATA_PTR;
19
20int board_early_init_f(void)
21{
22 /*
23 * default gpio configuration
24 * There are maximum 64 gpios controlled through 2 sets of registers
25 * the below configuration configures mainly initial LED status
26 */
27 mvebu_config_gpio(NSA310S_VAL_LOW, NSA310S_VAL_HIGH,
28 NSA310S_OE_LOW, NSA310S_OE_HIGH);
29
30 /* (all LEDs & power off active high) */
31 /* Multi-Purpose Pins Functionality configuration */
32 static const u32 kwmpp_config[] = {
33 MPP0_NF_IO2,
34 MPP1_NF_IO3,
35 MPP2_NF_IO4,
36 MPP3_NF_IO5,
37 MPP4_NF_IO6,
38 MPP5_NF_IO7,
39 MPP6_SYSRST_OUTn,
40 MPP7_GPO,
41 MPP8_TW_SDA,
42 MPP9_TW_SCK,
43 MPP10_UART0_TXD,
44 MPP11_UART0_RXD,
45 MPP12_GPO,
46 MPP13_GPIO,
47 MPP14_GPIO,
48 MPP15_GPIO,
49 MPP16_GPIO,
50 MPP17_GPIO,
51 MPP18_NF_IO0,
52 MPP19_NF_IO1,
53 MPP20_GPIO,
54 MPP21_GPIO,
55 MPP22_GPIO,
56 MPP23_GPIO,
57 MPP24_GPIO,
58 MPP25_GPIO,
59 MPP26_GPIO,
60 MPP27_GPIO,
61 MPP28_GPIO,
62 MPP29_GPIO,
63 MPP30_GPIO,
64 MPP31_GPIO,
65 MPP32_GPIO,
66 MPP33_GPIO,
67 MPP34_GPIO,
68 MPP35_GPIO,
69 0
70 };
71 kirkwood_mpp_conf(kwmpp_config, NULL);
72 return 0;
73}
74
75int board_init(void)
76{
77 /* address of boot parameters */
78 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
79
80 return 0;
81}
82
83#ifdef CONFIG_RESET_PHY_R
84void reset_phy(void)
85{
86 u16 reg;
87 u16 phyaddr;
88 char *name = "egiga0";
89
90 if (miiphy_set_current_dev(name))
91 return;
92
93 /* read PHY dev address */
94 if (miiphy_read(name, 0xee, 0xee, (u16 *) &phyaddr)) {
95 printf("could not read PHY dev address\n");
96 return;
97 }
98
99 /* set RGMII delay */
100 miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, MV88E1318_MAC_CTRL_PG);
101 miiphy_read(name, phyaddr, MV88E1318_MAC_CTRL_REG, &reg);
102 reg |= (MV88E1318_RGMII_RX_CTRL | MV88E1318_RGMII_TX_CTRL);
103 miiphy_write(name, phyaddr, MV88E1318_MAC_CTRL_REG, reg);
104 miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, 0);
105
106 /* reset PHY */
107 if (miiphy_reset(name, phyaddr))
108 return;
109
110 /*
111 * ZyXEL NSA310S uses the 88E1310S Alaska (interface identical to 88E1318)
112 * and has an MCU attached to the LED[2] via tristate interrupt
113 */
114
115 /* switch to LED register page */
116 miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, MV88E1318_LED_PG);
117 /* read out LED polarity register */
118 miiphy_read(name, phyaddr, MV88E1318_LED_POL_REG, &reg);
119 /* clear 4, set 5 - LED2 low, tri-state */
120 reg &= ~(MV88E1318_LED2_4);
121 reg |= (MV88E1318_LED2_5);
122 /* write back LED polarity register */
123 miiphy_write(name, phyaddr, MV88E1318_LED_POL_REG, reg);
124 /* jump back to page 0, per the PHY chip documenation. */
125 miiphy_write(name, phyaddr, MV88E1318_PGADR_REG, 0);
126
127 /* set PHY back to auto-negotiation mode */
128 miiphy_write(name, phyaddr, 0x4, 0x1e1);
129 miiphy_write(name, phyaddr, 0x9, 0x300);
130 /* downshift */
131 miiphy_write(name, phyaddr, 0x10, 0x3860);
132 miiphy_write(name, phyaddr, 0x0, 0x9140);
133}
134#endif /* CONFIG_RESET_PHY_R */