Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
David Purdy | 415d07e | 2012-03-27 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 Purdy | 415d07e | 2012-03-27 16:01:09 +0000 | [diff] [blame] | 10 | */ |
| 11 | |
| 12 | #include <common.h> |
Simon Glass | 9758973 | 2020-05-10 11:40:02 -0600 | [diff] [blame] | 13 | #include <init.h> |
Simon Glass | 0f2af88 | 2020-05-10 11:40:05 -0600 | [diff] [blame] | 14 | #include <log.h> |
David Purdy | 415d07e | 2012-03-27 16:01:09 +0000 | [diff] [blame] | 15 | #include <miiphy.h> |
Simon Glass | 0c36441 | 2019-12-28 10:44:48 -0700 | [diff] [blame] | 16 | #include <net.h> |
David Purdy | 415d07e | 2012-03-27 16:01:09 +0000 | [diff] [blame] | 17 | #include <asm/arch/cpu.h> |
Stefan Roese | c243784 | 2014-10-22 12:13:06 +0200 | [diff] [blame] | 18 | #include <asm/arch/soc.h> |
David Purdy | 415d07e | 2012-03-27 16:01:09 +0000 | [diff] [blame] | 19 | #include <asm/arch/mpp.h> |
Simon Glass | 3ba929a | 2020-10-30 21:38:53 -0600 | [diff] [blame] | 20 | #include <asm/global_data.h> |
David Purdy | 415d07e | 2012-03-27 16:01:09 +0000 | [diff] [blame] | 21 | #include "pogo_e02.h" |
| 22 | |
| 23 | DECLARE_GLOBAL_DATA_PTR; |
| 24 | |
| 25 | int 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 Roese | c50ab39 | 2014-10-22 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 Purdy | 415d07e | 2012-03-27 16:01:09 +0000 | [diff] [blame] | 35 | |
| 36 | /* Multi-Purpose Pins Functionality configuration */ |
Albert ARIBAUD | 4d42431 | 2012-11-26 11:27:36 +0000 | [diff] [blame] | 37 | static const u32 kwmpp_config[] = { |
David Purdy | 415d07e | 2012-03-27 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 Longchamp | 7d0d502 | 2012-06-01 01:31:00 +0000 | [diff] [blame] | 63 | kirkwood_mpp_conf(kwmpp_config, NULL); |
David Purdy | 415d07e | 2012-03-27 16:01:09 +0000 | [diff] [blame] | 64 | return 0; |
| 65 | } |
| 66 | |
| 67 | int board_init(void) |
| 68 | { |
| 69 | /* Boot parameters address */ |
Stefan Roese | 0b74175 | 2014-10-22 12:13:13 +0200 | [diff] [blame] | 70 | gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; |
David Purdy | 415d07e | 2012-03-27 16:01:09 +0000 | [diff] [blame] | 71 | |
| 72 | return 0; |
| 73 | } |
| 74 | |
| 75 | #ifdef CONFIG_RESET_PHY_R |
| 76 | /* Configure and initialize PHY */ |
| 77 | void 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, ®); |
| 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 */ |