1 // SPDX-License-Identifier: GPL-2.0+
4 * Marvell Semiconductor <www.marvell.com>
5 * Written-by: Siddarth Gore <gores@marvell.com>
12 #include <asm/mach-types.h>
13 #include <asm/arch/cpu.h>
14 #include <asm/arch/soc.h>
15 #include <asm/arch/mpp.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 int board_early_init_f(void)
23 * default gpio configuration
24 * There are maximum 64 gpios controlled through 2 sets of registers
25 * the below configuration configures mainly initial LED status
27 mvebu_config_gpio(GURUPLUG_OE_VAL_LOW,
29 GURUPLUG_OE_LOW, GURUPLUG_OE_HIGH);
31 /* Multi-Purpose Pins Functionality configuration */
32 static const u32 kwmpp_config[] = {
40 MPP7_GPO, /* GPIO_RST */
79 MPP46_GPIO, /* M_RLED */
80 MPP47_GPIO, /* M_GLED */
81 MPP48_GPIO, /* B_RLED */
82 MPP49_GPIO, /* B_GLED */
85 kirkwood_mpp_conf(kwmpp_config, NULL);
92 * arch number of board
94 gd->bd->bi_arch_number = MACH_TYPE_GURUPLUG;
96 /* adress of boot parameters */
97 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
102 #ifdef CONFIG_RESET_PHY_R
103 void mv_phy_88e1121_init(char *name)
108 if (miiphy_set_current_dev(name))
111 /* command to read PHY dev address */
112 if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
113 printf("Err..%s could not read PHY dev address\n",
119 * Enable RGMII delay on Tx and Rx for CPU port
120 * Ref: sec 4.7.2 of chip datasheet
122 miiphy_write(name, devadr, MV88E1121_PGADR_REG, 2);
123 miiphy_read(name, devadr, MV88E1121_MAC_CTRL2_REG, ®);
124 reg |= (MV88E1121_RGMII_RXTM_CTRL | MV88E1121_RGMII_TXTM_CTRL);
125 miiphy_write(name, devadr, MV88E1121_MAC_CTRL2_REG, reg);
126 miiphy_write(name, devadr, MV88E1121_PGADR_REG, 0);
129 miiphy_reset(name, devadr);
131 printf("88E1121 Initialized on %s\n", name);
136 /* configure and initialize both PHY's */
137 mv_phy_88e1121_init("egiga0");
138 mv_phy_88e1121_init("egiga1");
140 #endif /* CONFIG_RESET_PHY_R */