xref: /openbmc/u-boot/board/amlogic/odroid-c2/odroid-c2.c (revision d91013034a3222137a5ac4d82aa45f15bd6ff284)
1 /*
2  * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <environment.h>
10 #include <asm/io.h>
11 #include <asm/arch/gxbb.h>
12 #include <asm/arch/sm.h>
13 #include <asm/arch/eth.h>
14 #include <asm/arch/mem.h>
15 
16 #define EFUSE_SN_OFFSET		20
17 #define EFUSE_SN_SIZE		16
18 #define EFUSE_MAC_OFFSET	52
19 #define EFUSE_MAC_SIZE		6
20 
21 int board_init(void)
22 {
23 	return 0;
24 }
25 
26 int misc_init_r(void)
27 {
28 	u8 mac_addr[EFUSE_MAC_SIZE];
29 	char serial[EFUSE_SN_SIZE];
30 	ssize_t len;
31 
32 	meson_gx_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
33 
34 	/* Enable power and clock gate */
35 	setbits_le32(GXBB_GCLK_MPEG_0, GXBB_GCLK_MPEG_0_I2C);
36 
37 	/* Reset PHY on GPIOZ_14 */
38 	clrbits_le32(GXBB_GPIO_EN(3), BIT(14));
39 	clrbits_le32(GXBB_GPIO_OUT(3), BIT(14));
40 	mdelay(10);
41 	setbits_le32(GXBB_GPIO_OUT(3), BIT(14));
42 
43 	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
44 		len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
45 					  mac_addr, EFUSE_MAC_SIZE);
46 		if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
47 			eth_env_set_enetaddr("ethaddr", mac_addr);
48 	}
49 
50 	if (!env_get("serial#")) {
51 		len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
52 			EFUSE_SN_SIZE);
53 		if (len == EFUSE_SN_SIZE)
54 			env_set("serial#", serial);
55 	}
56 
57 	return 0;
58 }
59 
60 int ft_board_setup(void *blob, bd_t *bd)
61 {
62 	meson_gx_init_reserved_memory(blob);
63 
64 	return 0;
65 }
66