From 1d0f5fa11d8b21b010ca5ee0cb2a3e921345afc4 Mon Sep 17 00:00:00 2001 From: David Purdy Date: Tue, 27 Mar 2012 16:01:09 +0000 Subject: kirkwood: add support for Cloud Engines Pogoplug E02 This patch adds support for Cloud Engines Pogoplug E02 Information regarding the CE Pogoplug E02 board can be found at: http://archlinuxarm.org/platforms/armv5/pogoplug-v2-pinkgray Signed-off-by: Dave Purdy Cc: prafulla@marvell.com Cc: albert.u.boot@aribaud.net --- board/cloudengines/pogo_e02/pogo_e02.c | 118 +++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 board/cloudengines/pogo_e02/pogo_e02.c (limited to 'board/cloudengines/pogo_e02/pogo_e02.c') diff --git a/board/cloudengines/pogo_e02/pogo_e02.c b/board/cloudengines/pogo_e02/pogo_e02.c new file mode 100644 index 0000000000..ff3421d576 --- /dev/null +++ b/board/cloudengines/pogo_e02/pogo_e02.c @@ -0,0 +1,118 @@ +/* + * Copyright (C) 2012 + * David Purdy + * + * Based on Kirkwood support: + * (C) Copyright 2009 + * Marvell Semiconductor + * Written-by: Prafulla Wadaskar + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; If not, see . + */ + +#include +#include +#include +#include +#include +#include "pogo_e02.h" + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + /* + * default gpio configuration + * There are maximum 64 gpios controlled through 2 sets of registers + * the below configuration configures mainly initial LED status + */ + kw_config_gpio(POGO_E02_OE_VAL_LOW, + POGO_E02_OE_VAL_HIGH, + POGO_E02_OE_LOW, POGO_E02_OE_HIGH); + + /* Multi-Purpose Pins Functionality configuration */ + u32 kwmpp_config[] = { + MPP0_NF_IO2, + MPP1_NF_IO3, + MPP2_NF_IO4, + MPP3_NF_IO5, + MPP4_NF_IO6, + MPP5_NF_IO7, + MPP6_SYSRST_OUTn, + MPP7_GPO, + MPP8_UART0_RTS, + MPP9_UART0_CTS, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP12_SD_CLK, + MPP13_SD_CMD, + MPP14_SD_D0, + MPP15_SD_D1, + MPP16_SD_D2, + MPP17_SD_D3, + MPP18_NF_IO0, + MPP19_NF_IO1, + MPP29_TSMP9, /* USB Power Enable */ + MPP48_GPIO, /* LED green */ + MPP49_GPIO, /* LED orange */ + 0 + }; + kirkwood_mpp_conf(kwmpp_config); + return 0; +} + +int board_init(void) +{ + /* Boot parameters address */ + gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; + + return 0; +} + +#ifdef CONFIG_RESET_PHY_R +/* Configure and initialize PHY */ +void reset_phy(void) +{ + u16 reg; + u16 devadr; + char *name = "egiga0"; + + if (miiphy_set_current_dev(name)) + return; + + /* command to read PHY dev address */ + if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) { + printf("Err..(%s) could not read PHY dev address\n", __func__); + return; + } + + /* + * Enable RGMII delay on Tx and Rx for CPU port + * Ref: sec 4.7.2 of chip datasheet + */ + miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2); + miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®); + reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL); + miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg); + miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0); + + /* reset the phy */ + miiphy_reset(name, devadr); + + debug("88E1116 Initialized on %s\n", name); +} +#endif /* CONFIG_RESET_PHY_R */ -- cgit v1.2.3