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gerrit.cesnet.cz / github / trini / u-boot / 24cee49fccf0ea699f044518f2672eeb7b9b7475 / . / board / cloudengines / pogo_e02 / pogo_e02.c
blob: 039fd6e3dd676097b11f44ed378c365e3e6e79db [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1// SPDX-License-Identifier: GPL-2.0+
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]2/*
3 * Copyright (C) 2012
4 * David Purdy <david.c.purdy@gmail.com>
5 *
6 * Based on Kirkwood support:
7 * (C) Copyright 2009
8 * Marvell Semiconductor <www.marvell.com>
9 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]10 */
11
12#include <common.h>
Simon Glass691d7192020-05-10 11:40:02 -0600[diff] [blame]13#include <init.h>
Simon Glassf7ae49f2020-05-10 11:40:05 -0600[diff] [blame]14#include <log.h>
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]15#include <miiphy.h>
Simon Glass5e6267a2019-12-28 10:44:48 -0700[diff] [blame]16#include <net.h>
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]17#include <asm/arch/cpu.h>
Stefan Roese3dc23f72014-10-22 12:13:06 +0200[diff] [blame]18#include <asm/arch/soc.h>
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]19#include <asm/arch/mpp.h>
Simon Glass401d1c42020-10-30 21:38:53 -0600[diff] [blame]20#include <asm/global_data.h>
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]21#include "pogo_e02.h"
22
23DECLARE_GLOBAL_DATA_PTR;
24
25int board_early_init_f(void)
26{
27 /*
28 * default gpio configuration
29 * There are maximum 64 gpios controlled through 2 sets of registers
30 * the below configuration configures mainly initial LED status
31 */
Stefan Roesed5c51322014-10-22 12:13:11 +0200[diff] [blame]32 mvebu_config_gpio(POGO_E02_OE_VAL_LOW,
33 POGO_E02_OE_VAL_HIGH,
34 POGO_E02_OE_LOW, POGO_E02_OE_HIGH);
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]35
36 /* Multi-Purpose Pins Functionality configuration */
Albert ARIBAUD9d86f0c2012-11-26 11:27:36 +0000[diff] [blame]37 static const u32 kwmpp_config[] = {
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]38 MPP0_NF_IO2,
39 MPP1_NF_IO3,
40 MPP2_NF_IO4,
41 MPP3_NF_IO5,
42 MPP4_NF_IO6,
43 MPP5_NF_IO7,
44 MPP6_SYSRST_OUTn,
45 MPP7_GPO,
46 MPP8_UART0_RTS,
47 MPP9_UART0_CTS,
48 MPP10_UART0_TXD,
49 MPP11_UART0_RXD,
50 MPP12_SD_CLK,
51 MPP13_SD_CMD,
52 MPP14_SD_D0,
53 MPP15_SD_D1,
54 MPP16_SD_D2,
55 MPP17_SD_D3,
56 MPP18_NF_IO0,
57 MPP19_NF_IO1,
58 MPP29_TSMP9, /* USB Power Enable */
59 MPP48_GPIO, /* LED green */
60 MPP49_GPIO, /* LED orange */
61 0
62 };
Valentin Longchamp84683632012-06-01 01:31:00 +0000[diff] [blame]63 kirkwood_mpp_conf(kwmpp_config, NULL);
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]64 return 0;
65}
66
67int board_init(void)
68{
69 /* Boot parameters address */
Stefan Roese96c5f082014-10-22 12:13:13 +0200[diff] [blame]70 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
David Purdy1d0f5fa2012-03-27 16:01:09 +0000[diff] [blame]71
72 return 0;
73}
74
75#ifdef CONFIG_RESET_PHY_R
76/* Configure and initialize PHY */
77void reset_phy(void)
78{
79 u16 reg;
80 u16 devadr;
81 char *name = "egiga0";
82
83 if (miiphy_set_current_dev(name))
84 return;
85
86 /* command to read PHY dev address */
87 if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
88 printf("Err..(%s) could not read PHY dev address\n", __func__);
89 return;
90 }
91
92 /*
93 * Enable RGMII delay on Tx and Rx for CPU port
94 * Ref: sec 4.7.2 of chip datasheet
95 */
96 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
97 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
98 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
99 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
100 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
101
102 /* reset the phy */
103 miiphy_reset(name, devadr);
104
105 debug("88E1116 Initialized on %s\n", name);
106}
107#endif /* CONFIG_RESET_PHY_R */