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gerrit.cesnet.cz / github / trini / u-boot / be9f643ae6aa9044c60fe80e3a2c10be8371c692 / . / board / cloudengines / pogo_e02 / pogo_e02.c
blob: 0e632582d3dcae7c5a0d36e13fc7cfa15fe5079b [file] [log] [blame]
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]1/*
2 * Copyright (C) 2012
3 * David Purdy <david.c.purdy@gmail.com>
4 *
5 * Based on Kirkwood support:
6 * (C) Copyright 2009
7 * Marvell Semiconductor <www.marvell.com>
8 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
9 *
Wolfgang Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]10 * SPDX-License-Identifier: GPL-2.0+
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]11 */
12
13#include <common.h>
14#include <miiphy.h>
15#include <asm/arch/cpu.h>
16#include <asm/arch/kirkwood.h>
17#include <asm/arch/mpp.h>
18#include "pogo_e02.h"
19
20DECLARE_GLOBAL_DATA_PTR;
21
22int board_early_init_f(void)
23{
24 /*
25 * default gpio configuration
26 * There are maximum 64 gpios controlled through 2 sets of registers
27 * the below configuration configures mainly initial LED status
28 */
29 kw_config_gpio(POGO_E02_OE_VAL_LOW,
30 POGO_E02_OE_VAL_HIGH,
31 POGO_E02_OE_LOW, POGO_E02_OE_HIGH);
32
33 /* Multi-Purpose Pins Functionality configuration */
Albert ARIBAUD9d86f0c2012-11-26 11:27:36 +0000[diff] [blame]34 static const u32 kwmpp_config[] = {
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]35 MPP0_NF_IO2,
36 MPP1_NF_IO3,
37 MPP2_NF_IO4,
38 MPP3_NF_IO5,
39 MPP4_NF_IO6,
40 MPP5_NF_IO7,
41 MPP6_SYSRST_OUTn,
42 MPP7_GPO,
43 MPP8_UART0_RTS,
44 MPP9_UART0_CTS,
45 MPP10_UART0_TXD,
46 MPP11_UART0_RXD,
47 MPP12_SD_CLK,
48 MPP13_SD_CMD,
49 MPP14_SD_D0,
50 MPP15_SD_D1,
51 MPP16_SD_D2,
52 MPP17_SD_D3,
53 MPP18_NF_IO0,
54 MPP19_NF_IO1,
55 MPP29_TSMP9, /* USB Power Enable */
56 MPP48_GPIO, /* LED green */
57 MPP49_GPIO, /* LED orange */
58 0
59 };
Valentin Longchamp84683632012-06-01 01:31:00 +0000[diff] [blame]60 kirkwood_mpp_conf(kwmpp_config, NULL);
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]61 return 0;
62}
63
64int board_init(void)
65{
66 /* Boot parameters address */
67 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
68
69 return 0;
70}
71
72#ifdef CONFIG_RESET_PHY_R
73/* Configure and initialize PHY */
74void reset_phy(void)
75{
76 u16 reg;
77 u16 devadr;
78 char *name = "egiga0";
79
80 if (miiphy_set_current_dev(name))
81 return;
82
83 /* command to read PHY dev address */
84 if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
85 printf("Err..(%s) could not read PHY dev address\n", __func__);
86 return;
87 }
88
89 /*
90 * Enable RGMII delay on Tx and Rx for CPU port
91 * Ref: sec 4.7.2 of chip datasheet
92 */
93 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
94 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
95 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
96 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
97 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
98
99 /* reset the phy */
100 miiphy_reset(name, devadr);
101
102 debug("88E1116 Initialized on %s\n", name);
103}
104#endif /* CONFIG_RESET_PHY_R */