Marcel Ziswiler | 99d768b | 2019-05-31 18:56:39 +0300 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright 2019 Toradex |
| 4 | */ |
| 5 | |
| 6 | #include <common.h> |
Simon Glass | a7b5130 | 2019-11-14 12:57:46 -0700 | [diff] [blame] | 7 | #include <init.h> |
Marcel Ziswiler | 99d768b | 2019-05-31 18:56:39 +0300 | [diff] [blame] | 8 | |
| 9 | #include <asm/arch/clock.h> |
| 10 | #include <asm/arch/imx8-pins.h> |
| 11 | #include <asm/arch/iomux.h> |
| 12 | #include <asm/arch/sci/sci.h> |
| 13 | #include <asm/arch/sys_proto.h> |
| 14 | #include <asm/gpio.h> |
| 15 | #include <asm/io.h> |
Simon Glass | 5e6201b | 2019-08-01 09:46:51 -0600 | [diff] [blame] | 16 | #include <env.h> |
Marcel Ziswiler | 99d768b | 2019-05-31 18:56:39 +0300 | [diff] [blame] | 17 | #include <errno.h> |
| 18 | #include <linux/libfdt.h> |
| 19 | |
| 20 | #include "../common/tdx-cfg-block.h" |
| 21 | |
| 22 | DECLARE_GLOBAL_DATA_PTR; |
| 23 | |
| 24 | #define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \ |
| 25 | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ |
| 26 | (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ |
| 27 | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) |
| 28 | |
| 29 | static iomux_cfg_t uart3_pads[] = { |
| 30 | SC_P_FLEXCAN2_RX | MUX_MODE_ALT(2) | MUX_PAD_CTRL(UART_PAD_CTRL), |
| 31 | SC_P_FLEXCAN2_TX | MUX_MODE_ALT(2) | MUX_PAD_CTRL(UART_PAD_CTRL), |
| 32 | /* Transceiver FORCEOFF# signal, mux to use pull-up */ |
| 33 | SC_P_QSPI0B_DQS | MUX_MODE_ALT(4) | MUX_PAD_CTRL(UART_PAD_CTRL), |
| 34 | }; |
| 35 | |
| 36 | static void setup_iomux_uart(void) |
| 37 | { |
| 38 | imx8_iomux_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads)); |
| 39 | } |
| 40 | |
| 41 | int board_early_init_f(void) |
| 42 | { |
| 43 | sc_pm_clock_rate_t rate; |
| 44 | sc_err_t err = 0; |
| 45 | |
| 46 | /* |
| 47 | * This works around that having only UART3 up the baudrate is 1.2M |
| 48 | * instead of 115.2k. Set UART0 clock root to 80 MHz |
| 49 | */ |
| 50 | rate = 80000000; |
| 51 | err = sc_pm_set_clock_rate(-1, SC_R_UART_0, SC_PM_CLK_PER, &rate); |
| 52 | if (err != SC_ERR_NONE) |
| 53 | return 0; |
| 54 | |
Anatolij Gustschin | ef156d2 | 2019-06-12 13:35:25 +0200 | [diff] [blame] | 55 | /* Set UART3 clock root to 80 MHz and enable it */ |
| 56 | rate = SC_80MHZ; |
| 57 | err = sc_pm_setup_uart(SC_R_UART_3, rate); |
Marcel Ziswiler | 99d768b | 2019-05-31 18:56:39 +0300 | [diff] [blame] | 58 | if (err != SC_ERR_NONE) |
| 59 | return 0; |
| 60 | |
| 61 | setup_iomux_uart(); |
| 62 | |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | #if IS_ENABLED(CONFIG_DM_GPIO) |
| 67 | static void board_gpio_init(void) |
| 68 | { |
| 69 | /* TODO */ |
| 70 | } |
| 71 | #else |
| 72 | static inline void board_gpio_init(void) {} |
| 73 | #endif |
| 74 | |
| 75 | #if IS_ENABLED(CONFIG_FEC_MXC) |
| 76 | #include <miiphy.h> |
| 77 | |
| 78 | int board_phy_config(struct phy_device *phydev) |
| 79 | { |
| 80 | if (phydev->drv->config) |
| 81 | phydev->drv->config(phydev); |
| 82 | |
| 83 | return 0; |
| 84 | } |
| 85 | #endif |
| 86 | |
Marcel Ziswiler | 99d768b | 2019-05-31 18:56:39 +0300 | [diff] [blame] | 87 | int checkboard(void) |
| 88 | { |
| 89 | puts("Model: Toradex Colibri iMX8X\n"); |
| 90 | |
| 91 | build_info(); |
| 92 | print_bootinfo(); |
| 93 | |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | int board_init(void) |
| 98 | { |
| 99 | board_gpio_init(); |
| 100 | |
| 101 | return 0; |
| 102 | } |
| 103 | |
| 104 | void detail_board_ddr_info(void) |
| 105 | { |
| 106 | puts("\nDDR "); |
| 107 | } |
| 108 | |
| 109 | /* |
| 110 | * Board specific reset that is system reset. |
| 111 | */ |
| 112 | void reset_cpu(ulong addr) |
| 113 | { |
| 114 | /* TODO */ |
| 115 | } |
| 116 | |
| 117 | #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) |
| 118 | int ft_board_setup(void *blob, bd_t *bd) |
| 119 | { |
| 120 | return ft_common_board_setup(blob, bd); |
| 121 | } |
| 122 | #endif |
| 123 | |
| 124 | int board_mmc_get_env_dev(int devno) |
| 125 | { |
| 126 | return devno; |
| 127 | } |
| 128 | |
| 129 | int board_late_init(void) |
| 130 | { |
| 131 | #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG |
| 132 | /* TODO move to common */ |
| 133 | env_set("board_name", "Colibri iMX8QXP"); |
| 134 | env_set("board_rev", "v1.0"); |
| 135 | #endif |
| 136 | |
| 137 | return 0; |
| 138 | } |