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/*
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
* Written-by: Siddarth Gore <gores@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/kirkwood.h>
#include <asm/arch/mpp.h>
#include "guruplug.h"
DECLARE_GLOBAL_DATA_PTR;
int board_init(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(GURUPLUG_OE_VAL_LOW,
GURUPLUG_OE_VAL_HIGH,
GURUPLUG_OE_LOW, GURUPLUG_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, /* GPIO_RST */
MPP8_TW_SDA,
MPP9_TW_SCK,
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,
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_GE1_8,
MPP29_GE1_9,
MPP30_GE1_10,
MPP31_GE1_11,
MPP32_GE1_12,
MPP33_GE1_13,
MPP34_GE1_14,
MPP35_GE1_15,
MPP36_GPIO,
MPP37_GPIO,
MPP38_GPIO,
MPP39_GPIO,
MPP40_TDM_SPI_SCK,
MPP41_TDM_SPI_MISO,
MPP42_TDM_SPI_MOSI,
MPP43_GPIO,
MPP44_GPIO,
MPP45_GPIO,
MPP46_GPIO, /* M_RLED */
MPP47_GPIO, /* M_GLED */
MPP48_GPIO, /* B_RLED */
MPP49_GPIO, /* B_GLED */
0
};
kirkwood_mpp_conf(kwmpp_config);
/*
* arch number of board
*/
gd->bd->bi_arch_number = MACH_TYPE_GURUPLUG;
/* adress of boot parameters */
gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
return 0;
}
int dram_init(void)
{
int i;
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
gd->bd->bi_dram[i].start = kw_sdram_bar(i);
gd->bd->bi_dram[i].size = kw_sdram_bs(i);
}
return 0;
}
#ifdef CONFIG_RESET_PHY_R
void mv_phy_88e1121_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, MV88E1121_PGADR_REG, 2);
miiphy_read(name, devadr, MV88E1121_MAC_CTRL2_REG, ®);
reg |= (MV88E1121_RGMII_RXTM_CTRL | MV88E1121_RGMII_TXTM_CTRL);
miiphy_write(name, devadr, MV88E1121_MAC_CTRL2_REG, reg);
miiphy_write(name, devadr, MV88E1121_PGADR_REG, 0);
/* reset the phy */
if (miiphy_read (name, devadr, PHY_BMCR, ®) != 0) {
printf("Err..(%s) PHY status read failed\n", __FUNCTION__);
return;
}
if (miiphy_write (name, devadr, PHY_BMCR, reg | 0x8000) != 0) {
printf("Err..(%s) PHY reset failed\n", __FUNCTION__);
return;
}
printf("88E1121 Initialized on %s\n", name);
}
void reset_phy(void)
{
/* configure and initialize both PHY's */
mv_phy_88e1121_init("egiga0");
mv_phy_88e1121_init("egiga1");
}
#endif /* CONFIG_RESET_PHY_R */
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