diff options
Diffstat (limited to 'board/kobol/helios4/helios4.c')
| -rw-r--r-- | board/kobol/helios4/helios4.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/board/kobol/helios4/helios4.c b/board/kobol/helios4/helios4.c new file mode 100644 index 00000000000..341678319a4 --- /dev/null +++ b/board/kobol/helios4/helios4.c @@ -0,0 +1,163 @@ +// 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); +} |