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