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/*
* Copyright (C) 2014 Stefan Roese <sr@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <miiphy.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
DECLARE_GLOBAL_DATA_PTR;
#define BIT(nr) (1UL << (nr))
#define ETH_PHY_CTRL_REG 0
#define ETH_PHY_CTRL_POWER_DOWN_BIT 11
#define ETH_PHY_CTRL_POWER_DOWN_MASK (1 << ETH_PHY_CTRL_POWER_DOWN_BIT)
/*
* Those values and defines are taken from the Marvell U-Boot version
* "u-boot-2011.12-2014_T1.0" for the board rd78460gp aka
* "RD-AXP-GP rev 1.0".
*
* GPPs
* MPP# NAME IN/OUT
* ----------------------------------------------
* 21 SW_Reset_ OUT
* 25 Phy_Int# IN
* 28 SDI_WP IN
* 29 SDI_Status IN
* 54-61 On GPP Connector ?
* 62 Switch Interrupt IN
* 63-65 Reserved from SW Board ?
* 66 SW_BRD connected IN
*/
#define RD_78460_GP_GPP_OUT_ENA_LOW (~(BIT(21) | BIT(20)))
#define RD_78460_GP_GPP_OUT_ENA_MID (~(BIT(26) | BIT(27)))
#define RD_78460_GP_GPP_OUT_ENA_HIGH (~(0x0))
#define RD_78460_GP_GPP_OUT_VAL_LOW (BIT(21) | BIT(20))
#define RD_78460_GP_GPP_OUT_VAL_MID (BIT(26) | BIT(27))
#define RD_78460_GP_GPP_OUT_VAL_HIGH 0x0
int board_early_init_f(void)
{
/* Configure MPP */
writel(0x00000000, MVEBU_MPP_BASE + 0x00);
writel(0x00000000, MVEBU_MPP_BASE + 0x04);
writel(0x33000000, MVEBU_MPP_BASE + 0x08);
writel(0x11000000, MVEBU_MPP_BASE + 0x0c);
writel(0x11111111, MVEBU_MPP_BASE + 0x10);
writel(0x00221100, MVEBU_MPP_BASE + 0x14);
writel(0x00000003, MVEBU_MPP_BASE + 0x18);
writel(0x00000000, MVEBU_MPP_BASE + 0x1c);
writel(0x00000000, MVEBU_MPP_BASE + 0x20);
/* Configure GPIO */
writel(RD_78460_GP_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
writel(RD_78460_GP_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
writel(RD_78460_GP_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
writel(RD_78460_GP_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
writel(RD_78460_GP_GPP_OUT_VAL_HIGH, MVEBU_GPIO2_BASE + 0x00);
writel(RD_78460_GP_GPP_OUT_ENA_HIGH, MVEBU_GPIO2_BASE + 0x04);
return 0;
}
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
return 0;
}
int checkboard(void)
{
puts("Board: Marvell DB-MV784MP-GP\n");
return 0;
}
#ifdef CONFIG_RESET_PHY_R
/* Configure and enable MV88E1545 PHY */
void reset_phy(void)
{
u16 devadr = CONFIG_PHY_BASE_ADDR;
char *name = "neta0";
u16 reg;
if (miiphy_set_current_dev(name))
return;
/* Enable QSGMII AN */
/* Set page to 4 */
miiphy_write(name, devadr, 0x16, 4);
/* Enable AN */
miiphy_write(name, devadr, 0x0, 0x1140);
/* Set page to 0 */
miiphy_write(name, devadr, 0x16, 0);
/* Phy C_ANEG */
miiphy_read(name, devadr, 0x4, ®);
reg |= 0x1E0;
miiphy_write(name, devadr, 0x4, reg);
/* Soft-Reset */
miiphy_write(name, devadr, 22, 0x0000);
miiphy_write(name, devadr, 0, 0x9140);
/* Power up the phy */
miiphy_read(name, devadr, ETH_PHY_CTRL_REG, ®);
reg &= ~(ETH_PHY_CTRL_POWER_DOWN_MASK);
miiphy_write(name, devadr, ETH_PHY_CTRL_REG, reg);
printf("88E1545 Initialized on %s\n", name);
}
#endif /* CONFIG_RESET_PHY_R */
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