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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Dennis Gilmore <dgilmore@redhat.com>
* based on board/solidrun/clearfog/clearfog.c
*/
#include <common.h>
#include <i2c.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include "../drivers/ddr/marvell/a38x/ddr3_init.h"
#include <../serdes/a38x/high_speed_env_spec.h>
DECLARE_GLOBAL_DATA_PTR;
#define ETH_PHY_CTRL_REG 0
#define ETH_PHY_CTRL_POWER_DOWN_BIT 11
#define ETH_PHY_CTRL_POWER_DOWN_MASK BIT(ETH_PHY_CTRL_POWER_DOWN_BIT)
/*
* Those values and defines are taken from the Marvell U-Boot version
* "u-boot-2013.01-15t1-helios4" as well as the upstream config for clearfog
*/
#define BOARD_GPP_OUT_ENA_LOW 0xffffffff
#define BOARD_GPP_OUT_ENA_MID 0xffffffff
#define BOARD_GPP_OUT_VAL_LOW 0x0
#define BOARD_GPP_OUT_VAL_MID 0x0
#define BOARD_GPP_POL_LOW 0x0
#define BOARD_GPP_POL_MID 0x0
/* IO expander on Marvell GP board includes e.g. fan enabling */
struct marvell_io_exp {
u8 addr;
u8 val;
};
static struct marvell_io_exp io_exp[] = {
{6, 0xf9},
{2, 0x46}, /* Assert reset signals and enable USB3 current limiter */
{6, 0xb9}
};
static struct serdes_map board_serdes_map[] = {
{SATA0, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
{USB3_HOST0, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
{SATA1, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
{SATA3, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
{SATA2, SERDES_SPEED_6_GBPS, SERDES_DEFAULT_MODE, 0, 0},
{USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
};
int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
{
*serdes_map_array = board_serdes_map;
*count = ARRAY_SIZE(board_serdes_map);
return 0;
}
/*
* Define the DDR layout / topology here in the board file. This will
* be used by the DDR3 init code in the SPL U-Boot version to configure
* the DDR3 controller.
*/
static struct mv_ddr_topology_map board_topology_map = {
DEBUG_LEVEL_ERROR,
0x1, /* active interfaces */
/* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
{ { { {0x1, 0, 0, 0},
{0x1, 0, 0, 0},
{0x1, 0, 0, 0},
{0x1, 0, 0, 0},
{0x1, 0, 0, 0} },
SPEED_BIN_DDR_1600K, /* speed_bin */
MV_DDR_DEV_WIDTH_16BIT, /* memory_width */
MV_DDR_DIE_CAP_8GBIT, /* mem_size */
DDR_FREQ_800, /* frequency */
0, 0, /* cas_wl cas_l */
MV_DDR_TEMP_LOW, /* temperature */
MV_DDR_TIM_DEFAULT} }, /* timing */
BUS_MASK_32BIT_ECC, /* Busses mask */
MV_DDR_CFG_DEFAULT, /* ddr configuration data source */
{ {0} }, /* raw spd data */
{0} /* timing parameters */
};
struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
{
/* Return the board topology as defined in the board code */
return &board_topology_map;
}
int board_early_init_f(void)
{
/* Configure MPP */
writel(0x11111111, MVEBU_MPP_BASE + 0x00);
writel(0x11111111, MVEBU_MPP_BASE + 0x04);
writel(0x10400011, MVEBU_MPP_BASE + 0x08);
writel(0x22043333, MVEBU_MPP_BASE + 0x0c);
writel(0x44400002, MVEBU_MPP_BASE + 0x10);
writel(0x41144004, MVEBU_MPP_BASE + 0x14);
writel(0x40333333, MVEBU_MPP_BASE + 0x18);
writel(0x00004444, MVEBU_MPP_BASE + 0x1c);
/* Set GPP Out value */
writel(BOARD_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
writel(BOARD_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
/* Set GPP Polarity */
writel(BOARD_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
writel(BOARD_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
/* Set GPP Out Enable */
writel(BOARD_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
writel(BOARD_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
return 0;
}
int board_init(void)
{
int i;
/* Address of boot parameters */
gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
/* Init I2C IO expanders */
for (i = 0; i < ARRAY_SIZE(io_exp); i++) {
struct udevice *dev;
int ret;
ret = i2c_get_chip_for_busnum(0, io_exp[i].addr, 1, &dev);
if (ret) {
printf("Cannot find I2C: %d\n", ret);
return 0;
}
ret = dm_i2c_write(dev, io_exp[i].val, &io_exp[i].val, 1);
if (ret) {
printf("Failed to set IO expander via I2C\n");
return -EIO;
}
}
return 0;
}
int checkboard(void)
{
puts("Board: Helios4\n");
return 0;
}
int board_eth_init(bd_t *bis)
{
cpu_eth_init(bis); /* Built in controller(s) come first */
return pci_eth_init(bis);
}
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