1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
4 * Copyright (C) 2017, Grinn - http://grinn-global.com/
5 */
6
7 #include <common.h>
8 #include <init.h>
9 #include <asm/arch/chilisom.h>
10 #include <asm/arch/cpu.h>
11 #include <asm/arch/hardware.h>
12 #include <asm/arch/omap.h>
13 #include <asm/arch/mem.h>
14 #include <asm/arch/mmc_host_def.h>
15 #include <asm/arch/mux.h>
16 #include <asm/arch/sys_proto.h>
17 #include <asm/emif.h>
18 #include <asm/io.h>
19 #include <cpsw.h>
20 #include <env.h>
21 #include <errno.h>
22 #include <miiphy.h>
23 #include <spl.h>
24 #include <watchdog.h>
25
26 DECLARE_GLOBAL_DATA_PTR;
27
28 static __maybe_unused struct ctrl_dev *cdev =
29 (struct ctrl_dev *)CTRL_DEVICE_BASE;
30
31 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
32 static struct module_pin_mux uart0_pin_mux[] = {
33 {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART0_RXD */
34 {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, /* UART0_TXD */
35 {-1},
36 };
37
38 static struct module_pin_mux mmc0_pin_mux[] = {
39 {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT3 */
40 {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT2 */
41 {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT1 */
42 {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */
43 {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */
44 {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */
45 {-1},
46 };
47
48 static struct module_pin_mux rmii1_pin_mux[] = {
49 {OFFSET(mii1_crs), MODE(1) | RXACTIVE}, /* RMII1_CRS */
50 {OFFSET(mii1_rxerr), MODE(1) | RXACTIVE}, /* RMII1_RXERR */
51 {OFFSET(mii1_txen), MODE(1)}, /* RMII1_TXEN */
52 {OFFSET(mii1_txd1), MODE(1)}, /* RMII1_TXD1 */
53 {OFFSET(mii1_txd0), MODE(1)}, /* RMII1_TXD0 */
54 {OFFSET(mii1_rxd1), MODE(1) | RXACTIVE}, /* RMII1_RXD1 */
55 {OFFSET(mii1_rxd0), MODE(1) | RXACTIVE}, /* RMII1_RXD0 */
56 {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
57 {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */
58 {OFFSET(rmii1_refclk), MODE(0) | RXACTIVE}, /* RMII1_REFCLK */
59 {-1},
60 };
61
enable_board_pin_mux(void)62 static void enable_board_pin_mux(void)
63 {
64 chilisom_enable_pin_mux();
65
66 /* chiliboard pinmux */
67 configure_module_pin_mux(rmii1_pin_mux);
68 configure_module_pin_mux(mmc0_pin_mux);
69 }
70 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
71
72 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
set_uart_mux_conf(void)73 void set_uart_mux_conf(void)
74 {
75 configure_module_pin_mux(uart0_pin_mux);
76 }
77
set_mux_conf_regs(void)78 void set_mux_conf_regs(void)
79 {
80 enable_board_pin_mux();
81 }
82
am33xx_spl_board_init(void)83 void am33xx_spl_board_init(void)
84 {
85 chilisom_spl_board_init();
86 }
87 #endif
88
89 /*
90 * Basic board specific setup. Pinmux has been handled already.
91 */
board_init(void)92 int board_init(void)
93 {
94 #if defined(CONFIG_HW_WATCHDOG)
95 hw_watchdog_init();
96 #endif
97
98 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
99 gpmc_init();
100
101 return 0;
102 }
103
104 #ifdef CONFIG_BOARD_LATE_INIT
board_late_init(void)105 int board_late_init(void)
106 {
107 #if !defined(CONFIG_SPL_BUILD)
108 uint8_t mac_addr[6];
109 uint32_t mac_hi, mac_lo;
110
111 /* try reading mac address from efuse */
112 mac_lo = readl(&cdev->macid0l);
113 mac_hi = readl(&cdev->macid0h);
114 mac_addr[0] = mac_hi & 0xFF;
115 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
116 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
117 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
118 mac_addr[4] = mac_lo & 0xFF;
119 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
120
121 if (!env_get("ethaddr")) {
122 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
123
124 if (is_valid_ethaddr(mac_addr))
125 eth_env_set_enetaddr("ethaddr", mac_addr);
126 }
127
128 mac_lo = readl(&cdev->macid1l);
129 mac_hi = readl(&cdev->macid1h);
130 mac_addr[0] = mac_hi & 0xFF;
131 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
132 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
133 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
134 mac_addr[4] = mac_lo & 0xFF;
135 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
136
137 if (!env_get("eth1addr")) {
138 if (is_valid_ethaddr(mac_addr))
139 eth_env_set_enetaddr("eth1addr", mac_addr);
140 }
141 #endif
142
143 return 0;
144 }
145 #endif
146