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/*
* (C) Copyright 2009
* Net Insight <www.netinsight.net>
* Written-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
*
* Based on sheevaplug.c:
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <common.h>
#include <miiphy.h>
#include <asm/arch/cpu.h>
#include <asm/arch/kirkwood.h>
#include <asm/arch/mpp.h>
#include "openrd.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(OPENRD_OE_VAL_LOW,
OPENRD_OE_VAL_HIGH,
OPENRD_OE_LOW, OPENRD_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_TW_SDA,
MPP9_TW_SCK,
MPP10_UART0_TXD,
MPP11_UART0_RXD,
MPP12_SD_CLK,
MPP13_SD_CMD, /* Alt UART1_TXD */
MPP14_SD_D0, /* Alt UART1_RXD */
MPP15_SD_D1,
MPP16_SD_D2,
MPP17_SD_D3,
MPP18_NF_IO0,
MPP19_NF_IO1,
MPP20_GE1_0,
MPP21_GE1_1,
MPP22_GE1_2,
MPP23_GE1_3,
MPP24_GE1_4,
MPP25_GE1_5,
MPP26_GE1_6,
MPP27_GE1_7,
MPP28_GPIO,
MPP29_TSMP9,
MPP30_GE1_10,
MPP31_GE1_11,
MPP32_GE1_12,
MPP33_GE1_13,
MPP34_GPIO, /* UART1 / SD sel */
MPP35_TDM_CH0_TX_QL,
MPP36_TDM_SPI_CS1,
MPP37_TDM_CH2_TX_QL,
MPP38_TDM_CH2_RX_QL,
MPP39_AUDIO_I2SBCLK,
MPP40_AUDIO_I2SDO,
MPP41_AUDIO_I2SLRC,
MPP42_AUDIO_I2SMCLK,
MPP43_AUDIO_I2SDI,
MPP44_AUDIO_EXTCLK,
MPP45_TDM_PCLK,
MPP46_TDM_FS,
MPP47_TDM_DRX,
MPP48_TDM_DTX,
MPP49_TDM_CH0_RX_QL,
0
};
kirkwood_mpp_conf(kwmpp_config);
return 0;
}
int board_init(void)
{
/*
* arch number of board
*/
#if defined(CONFIG_BOARD_IS_OPENRD_BASE)
gd->bd->bi_arch_number = MACH_TYPE_OPENRD_BASE;
#elif defined(CONFIG_BOARD_IS_OPENRD_CLIENT)
gd->bd->bi_arch_number = MACH_TYPE_OPENRD_CLIENT;
#elif defined(CONFIG_BOARD_IS_OPENRD_ULTIMATE)
gd->bd->bi_arch_number = MACH_TYPE_OPENRD_ULTIMATE;
#endif
/* adress of boot parameters */
gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
return 0;
}
#ifdef CONFIG_RESET_PHY_R
/* Configure and enable MV88E1116/88E1121 PHY */
void mv_phy_init(char *name)
{
u16 reg;
u16 devadr;
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",
__FUNCTION__);
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);
printf(PHY_NO" Initialized on %s\n", name);
}
void reset_phy(void)
{
mv_phy_init("egiga0");
#ifdef CONFIG_BOARD_IS_OPENRD_CLIENT
/* Kirkwood ethernet driver is written with the assumption that in case
* of multiple PHYs, their addresses are consecutive. But unfortunately
* in case of OpenRD-Client, PHY addresses are not consecutive.*/
miiphy_write("egiga1", 0xEE, 0xEE, 24);
#endif
#if defined(CONFIG_BOARD_IS_OPENRD_CLIENT) || \
defined(CONFIG_BOARD_IS_OPENRD_ULTIMATE)
/* configure and initialize both PHY's */
mv_phy_init("egiga1");
#endif
}
#endif /* CONFIG_RESET_PHY_R */
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