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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2023 Tony Dinh <mibodhi@gmail.com>
*
*/
#include <i2c.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include <linux/bitops.h>
#include "../drivers/ddr/marvell/a38x/ddr3_init.h"
#include <../serdes/a38x/high_speed_env_spec.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* Those N2350_GPP_xx values and defines in board_serdes_map, and board_topology_map
* are taken from the Marvell U-Boot version "u-boot-a38x-2015T1_p18_Thecus"
*/
#define N2350_GPP_OUT_ENA_LOW (~(BIT(20) | BIT(21) | BIT(24)))
#define N2350_GPP_OUT_ENA_MID (~(BIT(12) | BIT(13) | BIT(16) | BIT(19) | BIT(22)))
#define N2350_GPP_OUT_VAL_LOW (BIT(21) | BIT(24))
#define N2350_GPP_OUT_VAL_MID (BIT(0) | BIT(12) | BIT(13) | BIT(16))
#define N2350_GPP_POL_LOW 0x0
#define N2350_GPP_POL_MID 0x0
static struct serdes_map board_serdes_map[] = {
{ SGMII0, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
{ SATA0, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
{ SATA1, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
{ DEFAULT_SERDES, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
{ USB3_HOST0, SERDES_SPEED_5_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 DDR4 init code in the SPL U-Boot version to configure
* the DDR4 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_1866L, /* speed_bin */
MV_DDR_DEV_WIDTH_16BIT, /* memory_width - 16 bits */
MV_DDR_DIE_CAP_4GBIT, /* mem_size - N2350 board has 2x512MB DRAM banks */
MV_DDR_FREQ_800, /* frequency */
0, 0, /* cas_wl cas_l */
MV_DDR_TEMP_LOW, /* temperature */
MV_DDR_TIM_DEFAULT} }, /* timing */
BUS_MASK_32BIT, /* Busses mask */
MV_DDR_CFG_DEFAULT, /* ddr configuration data source */
NOT_COMBINED, /* ddr twin-die combined */
{ {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)
{
/* Those MPP values are taken from the Marvell U-Boot version
* "u-boot-a38x-2015T1_p18_Thecus"
*/
/* Configure MPP */
writel(0x50111111, MVEBU_MPP_BASE + 0x00); /* MPP0_7 */
writel(0x00555555, MVEBU_MPP_BASE + 0x04); /* MPP8_15 */
writel(0x55000000, MVEBU_MPP_BASE + 0x08); /* MPP16_23 */
writel(0x05050050, MVEBU_MPP_BASE + 0x0c); /* MPP24_31 */
writel(0x05555555, MVEBU_MPP_BASE + 0x10); /* MPP32_39 */
writel(0x00000565, MVEBU_MPP_BASE + 0x14); /* MPP40_47 */
writel(0x00000000, MVEBU_MPP_BASE + 0x18); /* MPP48_55 */
writel(0x00004444, MVEBU_MPP_BASE + 0x1c); /* MPP56_63 */
/* Set GPP Out value */
writel(N2350_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
writel(N2350_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
/* Set GPP Polarity */
writel(N2350_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
writel(N2350_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
/* Set GPP Out Enable */
writel(N2350_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
writel(N2350_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
return 0;
}
int board_init(void)
{
/* Address of boot parameters */
gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
return 0;
}
int board_eth_init(struct bd_info *bis)
{
cpu_eth_init(bis); /* Built in controller(s) come first */
return pci_eth_init(bis);
}
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