diff options
Diffstat (limited to 'board/solidrun/clearfog/clearfog.c')
| -rw-r--r-- | board/solidrun/clearfog/clearfog.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/board/solidrun/clearfog/clearfog.c b/board/solidrun/clearfog/clearfog.c new file mode 100644 index 0000000000..2773f5957e --- /dev/null +++ b/board/solidrun/clearfog/clearfog.c @@ -0,0 +1,156 @@ +/* + * Copyright (C) 2015 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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_a38x_topology.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 (1 << ETH_PHY_CTRL_POWER_DOWN_BIT) + +/* + * Those values and defines are taken from the Marvell U-Boot version + * "u-boot-2013.01-15t1-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 chip; + u8 addr; + u8 val; +}; + +static struct marvell_io_exp io_exp[] = { + { 0x20, 2, 0x40 }, /* Deassert both mini pcie reset signals */ + { 0x20, 6, 0xf9 }, + { 0x20, 2, 0x46 }, /* rst signals and ena USB3 current limiter */ + { 0x20, 6, 0xb9 }, + { 0x20, 3, 0x00 }, /* Set SFP_TX_DIS to zero */ + { 0x20, 7, 0xbf }, /* Drive SFP_TX_DIS to zero */ +}; + +static struct serdes_map board_serdes_map[] = { + {SATA0, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0}, + {SGMII1, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0}, + {PEX1, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0}, + {USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0}, + {PEX2, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0}, + {SGMII2, SERDES_SPEED_1_25_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 hws_topology_map board_topology_map = { + 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 */ + BUS_WIDTH_16, /* memory_width */ + MEM_4G, /* mem_size */ + DDR_FREQ_800, /* frequency */ + 0, 0, /* cas_l cas_wl */ + HWS_TEMP_LOW} }, /* temperature */ + 5, /* Num Of Bus Per Interface*/ + BUS_MASK_32BIT /* Busses mask */ +}; + +struct hws_topology_map *ddr3_get_topology_map(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; + + /* Toggle GPIO41 to reset onboard switch and phy */ + clrbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9)); + clrbits_le32(MVEBU_GPIO1_BASE + 0x4, BIT(9)); + mdelay(1); + setbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9)); + mdelay(10); + + /* Init I2C IO expanders */ + for (i = 0; i < ARRAY_SIZE(io_exp); i++) + i2c_write(io_exp[i].chip, io_exp[i].addr, 1, &io_exp[i].val, 1); + + return 0; +} + +int checkboard(void) +{ + puts("Board: SolidRun ClearFog\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); +} |
