summaryrefslogtreecommitdiff
path: root/board/grinn/chiliboard/board.c
blob: b472ca5b94a6bf8341a87d09dcbf3f6089b12ff1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
 * Copyright (C) 2017, Grinn - http://grinn-global.com/
 */

#include <common.h>
#include <init.h>
#include <net.h>
#include <asm/arch/chilisom.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/omap.h>
#include <asm/arch/mem.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
#include <asm/emif.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <cpsw.h>
#include <env.h>
#include <errno.h>
#include <miiphy.h>
#include <spl.h>
#include <watchdog.h>

DECLARE_GLOBAL_DATA_PTR;

static __maybe_unused struct ctrl_dev *cdev =
	(struct ctrl_dev *)CTRL_DEVICE_BASE;

#if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT)
static struct module_pin_mux uart0_pin_mux[] = {
	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* UART0_RXD */
	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},		/* UART0_TXD */
	{-1},
};

static struct module_pin_mux mmc0_pin_mux[] = {
	{OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT3 */
	{OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT2 */
	{OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT1 */
	{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT0 */
	{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CLK */
	{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CMD */
	{-1},
};

static struct module_pin_mux rmii1_pin_mux[] = {
	{OFFSET(mii1_crs), MODE(1) | RXACTIVE},		/* RMII1_CRS */
	{OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},	/* RMII1_RXERR */
	{OFFSET(mii1_txen), MODE(1)},			/* RMII1_TXEN */
	{OFFSET(mii1_txd1), MODE(1)},			/* RMII1_TXD1 */
	{OFFSET(mii1_txd0), MODE(1)},			/* RMII1_TXD0 */
	{OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},	/* RMII1_RXD1 */
	{OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},	/* RMII1_RXD0 */
	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},	/* MDIO_CLK */
	{OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},	/* RMII1_REFCLK */
	{-1},
};

static void enable_board_pin_mux(void)
{
	chilisom_enable_pin_mux();

	/* chiliboard pinmux */
	configure_module_pin_mux(rmii1_pin_mux);
	configure_module_pin_mux(mmc0_pin_mux);
}

void set_uart_mux_conf(void)
{
	configure_module_pin_mux(uart0_pin_mux);
}

void set_mux_conf_regs(void)
{
	enable_board_pin_mux();
}

void am33xx_spl_board_init(void)
{
	chilisom_spl_board_init();
}
#endif /* CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) */

/*
 * Basic board specific setup.  Pinmux has been handled already.
 */
int board_init(void)
{
#if defined(CONFIG_HW_WATCHDOG)
	hw_watchdog_init();
#endif

	gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
	gpmc_init();

	return 0;
}

#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
#if !defined(CONFIG_SPL_BUILD)
	uint8_t mac_addr[6];
	uint32_t mac_hi, mac_lo;

	/* try reading mac address from efuse */
	mac_lo = readl(&cdev->macid0l);
	mac_hi = readl(&cdev->macid0h);
	mac_addr[0] = mac_hi & 0xFF;
	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
	mac_addr[4] = mac_lo & 0xFF;
	mac_addr[5] = (mac_lo & 0xFF00) >> 8;

	if (!env_get("ethaddr")) {
		printf("<ethaddr> not set. Validating first E-fuse MAC\n");

		if (is_valid_ethaddr(mac_addr))
			eth_env_set_enetaddr("ethaddr", mac_addr);
	}

	mac_lo = readl(&cdev->macid1l);
	mac_hi = readl(&cdev->macid1h);
	mac_addr[0] = mac_hi & 0xFF;
	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
	mac_addr[4] = mac_lo & 0xFF;
	mac_addr[5] = (mac_lo & 0xFF00) >> 8;

	if (!env_get("eth1addr")) {
		if (is_valid_ethaddr(mac_addr))
			eth_env_set_enetaddr("eth1addr", mac_addr);
	}
#endif

	return 0;
}
#endif