Merge tag 'u-boot-atmel-fixes-2020.07-a' of https://gitlab.denx.de/u-boot/custodians...
[oweals/u-boot.git] / board / Seagate / nas220 / nas220.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2014  Evgeni Dobrev <evgeni@studio-punkt.com>
4  *
5  * Based on sheevaplug.c originally written by
6  * Prafulla Wadaskar <prafulla@marvell.com>
7  * (C) Copyright 2009
8  * Marvell Semiconductor <www.marvell.com>
9  */
10
11 #include <common.h>
12 #include <init.h>
13 #include <miiphy.h>
14 #include <net.h>
15 #include <asm/mach-types.h>
16 #include <asm/arch/soc.h>
17 #include <asm/arch/mpp.h>
18 #include <asm/arch/cpu.h>
19 #include <asm/io.h>
20
21 DECLARE_GLOBAL_DATA_PTR;
22
23 int board_early_init_f(void)
24 {
25         /*
26          * default gpio configuration
27          */
28         mvebu_config_gpio(NAS220_GE_OE_VAL_LOW, NAS220_GE_OE_VAL_HIGH,
29                           NAS220_GE_OE_LOW, NAS220_GE_OE_HIGH);
30
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_SPI_SCn,
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_SATA0_ACTn,
49                 MPP16_SATA1_ACTn,
50                 MPP17_SATA0_PRESENTn,
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
75 int board_init(void)
76 {
77         /*
78          * arch number of board
79          */
80         gd->bd->bi_arch_number = MACH_TYPE_RD88F6192_NAS;
81
82         /* adress of boot parameters */
83         gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
84
85         return 0;
86 }
87
88 #ifdef CONFIG_RESET_PHY_R
89 /* Configure and enable MV88E1116 PHY */
90 void reset_phy(void)
91 {
92         u16 reg;
93         u16 devadr;
94         char *name = "egiga0";
95
96         if (miiphy_set_current_dev(name))
97                 return;
98
99         /* command to read PHY dev address */
100         if (miiphy_read(name, 0xEE, 0xEE, (u16 *)&devadr)) {
101                 printf("Err..%s could not read PHY dev address\n", __func__);
102                 return;
103         }
104
105         /*
106          * Enable RGMII delay on Tx and Rx for CPU port
107          * Ref: sec 4.7.2 of chip datasheet
108          */
109         miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
110         miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
111         reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
112         miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
113         miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
114
115         /* reset the phy */
116         miiphy_reset(name, devadr);
117
118         printf("88E1116 Initialized on %s\n", name);
119 }
120 #endif /* CONFIG_RESET_PHY_R */