env: Move env_set() to env.h
[oweals/u-boot.git] / board / freescale / imx8qm_mek / imx8qm_mek.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2018 NXP
4  */
5
6 #include <common.h>
7 #include <env.h>
8 #include <errno.h>
9 #include <linux/libfdt.h>
10 #include <environment.h>
11 #include <asm/io.h>
12 #include <asm/gpio.h>
13 #include <asm/arch/clock.h>
14 #include <asm/arch/sci/sci.h>
15 #include <asm/arch/imx8-pins.h>
16 #include <asm/arch/iomux.h>
17 #include <asm/arch/sys_proto.h>
18
19 DECLARE_GLOBAL_DATA_PTR;
20
21 #define UART_PAD_CTRL   ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
22                          (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
23                          (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
24                          (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
25
26 static iomux_cfg_t uart0_pads[] = {
27         SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
28         SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
29 };
30
31 static void setup_iomux_uart(void)
32 {
33         imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
34 }
35
36 int board_early_init_f(void)
37 {
38         sc_pm_clock_rate_t rate = SC_80MHZ;
39         int ret;
40
41         /* Set UART0 clock root to 80 MHz */
42         ret = sc_pm_setup_uart(SC_R_UART_0, rate);
43         if (ret)
44                 return ret;
45
46         setup_iomux_uart();
47
48         sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON);
49
50         return 0;
51 }
52
53 #if IS_ENABLED(CONFIG_DM_GPIO)
54 static void board_gpio_init(void)
55 {
56         /* TODO */
57 }
58 #else
59 static inline void board_gpio_init(void) {}
60 #endif
61
62 #if IS_ENABLED(CONFIG_FEC_MXC)
63 #include <miiphy.h>
64
65 int board_phy_config(struct phy_device *phydev)
66 {
67         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
68         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
69
70         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
71         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
72         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
73         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
74
75         if (phydev->drv->config)
76                 phydev->drv->config(phydev);
77
78         return 0;
79 }
80 #endif
81
82 int checkboard(void)
83 {
84         puts("Board: iMX8QM MEK\n");
85
86         build_info();
87         print_bootinfo();
88
89         return 0;
90 }
91
92 int board_init(void)
93 {
94         /* Power up base board */
95         sc_pm_set_resource_power_mode(-1, SC_R_BOARD_R1, SC_PM_PW_MODE_ON);
96
97         board_gpio_init();
98
99         return 0;
100 }
101
102 void detail_board_ddr_info(void)
103 {
104         puts("\nDDR    ");
105 }
106
107 /*
108  * Board specific reset that is system reset.
109  */
110 void reset_cpu(ulong addr)
111 {
112         /* TODO */
113 }
114
115 #ifdef CONFIG_OF_BOARD_SETUP
116 int ft_board_setup(void *blob, bd_t *bd)
117 {
118         return 0;
119 }
120 #endif
121
122 int board_mmc_get_env_dev(int devno)
123 {
124         return devno;
125 }
126
127 int board_late_init(void)
128 {
129 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
130         env_set("board_name", "MEK");
131         env_set("board_rev", "iMX8QM");
132 #endif
133
134         return 0;
135 }