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7ce134b7 MZ |
1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* | |
3 | * Copyright 2019 Toradex | |
4 | */ | |
5 | ||
6 | #include <common.h> | |
7 | ||
8 | #include <asm/arch/clock.h> | |
9 | #include <asm/arch/imx8-pins.h> | |
10 | #include <asm/arch/iomux.h> | |
11 | #include <asm/arch/sci/sci.h> | |
12 | #include <asm/arch/sys_proto.h> | |
13 | #include <asm/gpio.h> | |
14 | #include <asm/io.h> | |
9fb625ce | 15 | #include <env.h> |
7ce134b7 MZ |
16 | #include <errno.h> |
17 | #include <linux/libfdt.h> | |
18 | ||
19 | #include "../common/tdx-cfg-block.h" | |
20 | ||
21 | DECLARE_GLOBAL_DATA_PTR; | |
22 | ||
23 | #define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \ | |
24 | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ | |
25 | (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ | |
26 | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) | |
27 | ||
28 | static iomux_cfg_t uart3_pads[] = { | |
29 | SC_P_FLEXCAN2_RX | MUX_MODE_ALT(2) | MUX_PAD_CTRL(UART_PAD_CTRL), | |
30 | SC_P_FLEXCAN2_TX | MUX_MODE_ALT(2) | MUX_PAD_CTRL(UART_PAD_CTRL), | |
31 | /* Transceiver FORCEOFF# signal, mux to use pull-up */ | |
32 | SC_P_QSPI0B_DQS | MUX_MODE_ALT(4) | MUX_PAD_CTRL(UART_PAD_CTRL), | |
33 | }; | |
34 | ||
35 | static void setup_iomux_uart(void) | |
36 | { | |
37 | imx8_iomux_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads)); | |
38 | } | |
39 | ||
40 | int board_early_init_f(void) | |
41 | { | |
42 | sc_pm_clock_rate_t rate; | |
43 | sc_err_t err = 0; | |
44 | ||
45 | /* | |
46 | * This works around that having only UART3 up the baudrate is 1.2M | |
47 | * instead of 115.2k. Set UART0 clock root to 80 MHz | |
48 | */ | |
49 | rate = 80000000; | |
50 | err = sc_pm_set_clock_rate(-1, SC_R_UART_0, SC_PM_CLK_PER, &rate); | |
51 | if (err != SC_ERR_NONE) | |
52 | return 0; | |
53 | ||
64b5f469 AG |
54 | /* Set UART3 clock root to 80 MHz and enable it */ |
55 | rate = SC_80MHZ; | |
56 | err = sc_pm_setup_uart(SC_R_UART_3, rate); | |
7ce134b7 MZ |
57 | if (err != SC_ERR_NONE) |
58 | return 0; | |
59 | ||
60 | setup_iomux_uart(); | |
61 | ||
62 | return 0; | |
63 | } | |
64 | ||
65 | #if IS_ENABLED(CONFIG_DM_GPIO) | |
66 | static void board_gpio_init(void) | |
67 | { | |
68 | /* TODO */ | |
69 | } | |
70 | #else | |
71 | static inline void board_gpio_init(void) {} | |
72 | #endif | |
73 | ||
74 | #if IS_ENABLED(CONFIG_FEC_MXC) | |
75 | #include <miiphy.h> | |
76 | ||
77 | int board_phy_config(struct phy_device *phydev) | |
78 | { | |
79 | if (phydev->drv->config) | |
80 | phydev->drv->config(phydev); | |
81 | ||
82 | return 0; | |
83 | } | |
84 | #endif | |
85 | ||
7ce134b7 MZ |
86 | int checkboard(void) |
87 | { | |
88 | puts("Model: Toradex Colibri iMX8X\n"); | |
89 | ||
90 | build_info(); | |
91 | print_bootinfo(); | |
92 | ||
93 | return 0; | |
94 | } | |
95 | ||
96 | int board_init(void) | |
97 | { | |
98 | board_gpio_init(); | |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
103 | void detail_board_ddr_info(void) | |
104 | { | |
105 | puts("\nDDR "); | |
106 | } | |
107 | ||
108 | /* | |
109 | * Board specific reset that is system reset. | |
110 | */ | |
111 | void reset_cpu(ulong addr) | |
112 | { | |
113 | /* TODO */ | |
114 | } | |
115 | ||
116 | #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) | |
117 | int ft_board_setup(void *blob, bd_t *bd) | |
118 | { | |
119 | return ft_common_board_setup(blob, bd); | |
120 | } | |
121 | #endif | |
122 | ||
123 | int board_mmc_get_env_dev(int devno) | |
124 | { | |
125 | return devno; | |
126 | } | |
127 | ||
128 | int board_late_init(void) | |
129 | { | |
130 | #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG | |
131 | /* TODO move to common */ | |
132 | env_set("board_name", "Colibri iMX8QXP"); | |
133 | env_set("board_rev", "v1.0"); | |
134 | #endif | |
135 | ||
136 | return 0; | |
137 | } |