2 * Copyright (C) 2015 Stefan Roese <sr@denx.de>
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/cpu.h>
12 #include <asm/arch/soc.h>
14 DECLARE_GLOBAL_DATA_PTR;
16 #define BIT(nr) (1UL << (nr))
18 #define ETH_PHY_CTRL_REG 0
19 #define ETH_PHY_CTRL_POWER_DOWN_BIT 11
20 #define ETH_PHY_CTRL_POWER_DOWN_MASK (1 << ETH_PHY_CTRL_POWER_DOWN_BIT)
23 * Those values and defines are taken from the Marvell U-Boot version
24 * "u-boot-2013.01-2014_T3.0"
26 #define DB_GP_88F68XX_GPP_OUT_ENA_LOW \
27 (~(BIT(1) | BIT(4) | BIT(6) | BIT(7) | BIT(8) | BIT(9) | \
28 BIT(10) | BIT(11) | BIT(19) | BIT(22) | BIT(23) | BIT(25) | \
29 BIT(26) | BIT(27) | BIT(29) | BIT(30) | BIT(31)))
30 #define DB_GP_88F68XX_GPP_OUT_ENA_MID \
31 (~(BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(15) | \
32 BIT(16) | BIT(17) | BIT(18)))
34 #define DB_GP_88F68XX_GPP_OUT_VAL_LOW 0x0
35 #define DB_GP_88F68XX_GPP_OUT_VAL_MID 0x0
36 #define DB_GP_88F68XX_GPP_POL_LOW 0x0
37 #define DB_GP_88F68XX_GPP_POL_MID 0x0
39 /* IO expander on Marvell GP board includes e.g. fan enabling */
40 struct marvell_io_exp {
46 static struct marvell_io_exp io_exp[] = {
47 { 0x20, 6, 0x20 }, /* Configuration registers: Bit on --> Input bits */
48 { 0x20, 7, 0xC3 }, /* Configuration registers: Bit on --> Input bits */
49 { 0x20, 2, 0x1D }, /* Output Data, register#0 */
50 { 0x20, 3, 0x18 }, /* Output Data, register#1 */
51 { 0x21, 6, 0xC3 }, /* Configuration registers: Bit on --> Input bits */
52 { 0x21, 7, 0x31 }, /* Configuration registers: Bit on --> Input bits */
53 { 0x21, 2, 0x08 }, /* Output Data, register#0 */
54 { 0x21, 3, 0xC0 } /* Output Data, register#1 */
57 int board_early_init_f(void)
60 writel(0x11111111, MVEBU_MPP_BASE + 0x00);
61 writel(0x11111111, MVEBU_MPP_BASE + 0x04);
62 writel(0x11244011, MVEBU_MPP_BASE + 0x08);
63 writel(0x22222111, MVEBU_MPP_BASE + 0x0c);
64 writel(0x22200002, MVEBU_MPP_BASE + 0x10);
65 writel(0x30042022, MVEBU_MPP_BASE + 0x14);
66 writel(0x55550555, MVEBU_MPP_BASE + 0x18);
67 writel(0x00005550, MVEBU_MPP_BASE + 0x1c);
69 /* Set GPP Out value */
70 writel(DB_GP_88F68XX_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
71 writel(DB_GP_88F68XX_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
73 /* Set GPP Polarity */
74 writel(DB_GP_88F68XX_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
75 writel(DB_GP_88F68XX_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
77 /* Set GPP Out Enable */
78 writel(DB_GP_88F68XX_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
79 writel(DB_GP_88F68XX_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
88 /* adress of boot parameters */
89 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
91 /* Init I2C IO expanders */
92 for (i = 0; i < ARRAY_SIZE(io_exp); i++)
93 i2c_write(io_exp[i].chip, io_exp[i].addr, 1, &io_exp[i].val, 1);
100 puts("Board: Marvell DB-88F6820-GP\n");