gplugd.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2011
* eInfochips Ltd. <www.einfochips.com>
* Written-by: Ajay Bhargav <contact@8051projects.net>
*
* Based on Aspenite:
* (C) Copyright 2010
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
* Contributor: Mahavir Jain <mjain@marvell.com>
*/
#include <common.h>
#include <mvmfp.h>
#include <asm/arch/cpu.h>
#include <asm/arch/mfp.h>
#include <asm/arch/armada100.h>
#include <asm/gpio.h>
#include <miiphy.h>
#include <asm/mach-types.h>
#ifdef CONFIG_ARMADA100_FEC
#include <net.h>
#include <netdev.h>
#endif /* CONFIG_ARMADA100_FEC */
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
u32 mfp_cfg[] = {
/* I2C */
MFP105_CI2C_SDA,
MFP106_CI2C_SCL,
/* Enable Console on UART3 */
MFPO8_UART3_TXD,
MFPO9_UART3_RXD,
/* Ethernet PHY Interface */
MFP086_ETH_TXCLK,
MFP087_ETH_TXEN,
MFP088_ETH_TXDQ3,
MFP089_ETH_TXDQ2,
MFP090_ETH_TXDQ1,
MFP091_ETH_TXDQ0,
MFP092_ETH_CRS,
MFP093_ETH_COL,
MFP094_ETH_RXCLK,
MFP095_ETH_RXER,
MFP096_ETH_RXDQ3,
MFP097_ETH_RXDQ2,
MFP098_ETH_RXDQ1,
MFP099_ETH_RXDQ0,
MFP100_ETH_MDC,
MFP101_ETH_MDIO,
MFP103_ETH_RXDV,
/* SSP2 */
MFP107_SSP2_RXD,
MFP108_SSP2_TXD,
MFP110_SSP2_CS,
MFP111_SSP2_CLK,
MFP_EOC /*End of configuration*/
};
/* configure MFP's */
mfp_config(mfp_cfg);
return 0;
}
int board_init(void)
{
struct armd1apb2_registers *apb2_regs =
(struct armd1apb2_registers *)ARMD1_APBC2_BASE;
/* arch number of Board */
gd->bd->bi_arch_number = MACH_TYPE_GPLUGD;
/* adress of boot parameters */
gd->bd->bi_boot_params = armd1_sdram_base(0) + 0x100;
/* Assert PHY_RST# */
gpio_direction_output(CONFIG_SYS_GPIO_PHY_RST, GPIO_LOW);
udelay(10);
/* Deassert PHY_RST# */
gpio_set_value(CONFIG_SYS_GPIO_PHY_RST, GPIO_HIGH);
/* Enable SSP2 clock */
writel(SSP2_APBCLK | SSP2_FNCLK, &apb2_regs->ssp2_clkrst);
return 0;
}
#ifdef CONFIG_ARMADA100_FEC
int board_eth_init(bd_t *bis)
{
struct armd1apmu_registers *apmu_regs =
(struct armd1apmu_registers *)ARMD1_APMU_BASE;
/* Enable clock of ethernet controller */
writel(FE_CLK_RST | FE_CLK_ENA, &apmu_regs->fecrc);
return armada100_fec_register(ARMD1_FEC_BASE);
}
#ifdef CONFIG_RESET_PHY_R
/* Configure and initialize PHY chip 88E3015 */
void reset_phy(void)
{
u16 phy_adr;
const char *name = "armd-fec0";
if (miiphy_set_current_dev(name))
return;
/* command to read PHY dev address */
if (miiphy_read(name, 0xff, 0xff, &phy_adr)) {
printf("Err..%s could not read PHY dev address\n", __func__);
return;
}
/* Set Ethernet LED in TX blink mode */
miiphy_write(name, phy_adr, PHY_LED_MAN_REG, 0x00);
miiphy_write(name, phy_adr, PHY_LED_PAR_SEL_REG, PHY_LED_VAL);
/* reset the phy */
miiphy_reset(name, phy_adr);
debug("88E3015 Initialized on %s\n", name);
}
#endif /* CONFIG_RESET_PHY_R */
#endif /* CONFIG_ARMADA100_FEC */