2 * Copyright 2018-2019 NXP
4 * SPDX-License-Identifier: GPL-2.0+
17 #include <asm/mach-imx/iomux-v3.h>
18 #include <asm/arch/imx8mp_pins.h>
19 #include <asm/arch/sys_proto.h>
20 #include <asm/mach-imx/boot_mode.h>
21 #include <power/pmic.h>
23 #include <power/pca9450.h>
24 #include <asm/arch/clock.h>
25 #include <asm/mach-imx/gpio.h>
26 #include <asm/mach-imx/mxc_i2c.h>
27 #include <fsl_esdhc.h>
29 #include <asm/arch/ddr.h>
31 #include <dm/uclass.h>
32 #include <dm/device.h>
33 #include <dm/uclass-internal.h>
34 #include <dm/device-internal.h>
36 DECLARE_GLOBAL_DATA_PTR
;
38 int spl_board_boot_device(enum boot_device boot_dev_spl
)
40 return BOOT_DEVICE_BOOTROM
;
43 void spl_dram_init(void)
45 ddr_init(&dram_timing
);
48 void spl_board_init(void)
53 puts("Normal Boot\n");
55 ret
= uclass_get_device_by_name(UCLASS_CLK
,
56 "clock-controller@30380000",
59 printf("Failed to find clock node. Check device tree\n");
62 #define I2C_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PE)
63 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
64 struct i2c_pads_info i2c_pad_info1
= {
66 .i2c_mode
= MX8MP_PAD_I2C1_SCL__I2C1_SCL
| PC
,
67 .gpio_mode
= MX8MP_PAD_I2C1_SCL__GPIO5_IO14
| PC
,
68 .gp
= IMX_GPIO_NR(5, 14),
71 .i2c_mode
= MX8MP_PAD_I2C1_SDA__I2C1_SDA
| PC
,
72 .gpio_mode
= MX8MP_PAD_I2C1_SDA__GPIO5_IO15
| PC
,
73 .gp
= IMX_GPIO_NR(5, 15),
79 int power_init_board(void)
84 ret
= power_pca9450b_init(I2C_PMIC
);
86 printf("power init failed");
87 p
= pmic_get("PCA9450");
90 /* BUCKxOUT_DVS0/1 control BUCK123 output */
91 pmic_reg_write(p
, PCA9450_BUCK123_DVS
, 0x29);
94 * increase VDD_SOC to typical value 0.95V before first
95 * DRAM access, set DVS1 to 0.85v for suspend.
96 * Enable DVS control through PMIC_STBY_REQ and
97 * set B1_ENMODE=1 (ON by PMIC_ON_REQ=H)
99 pmic_reg_write(p
, PCA9450_BUCK1OUT_DVS0
, 0x1C);
100 pmic_reg_write(p
, PCA9450_BUCK1OUT_DVS1
, 0x14);
101 pmic_reg_write(p
, PCA9450_BUCK1CTRL
, 0x59);
103 /* set WDOG_B_CFG to cold reset */
104 pmic_reg_write(p
, PCA9450_RESET_CTRL
, 0xA1);
110 #ifdef CONFIG_SPL_LOAD_FIT
111 int board_fit_config_name_match(const char *name
)
113 /* Just empty function now - can't decide what to choose */
114 debug("%s: %s\n", __func__
, name
);
120 void board_init_f(ulong dummy
)
128 board_early_init_f();
132 preloader_console_init();
135 memset(__bss_start
, 0, __bss_end
- __bss_start
);
139 debug("spl_init() failed: %d\n", ret
);
145 setup_i2c(0, CONFIG_SYS_I2C_SPEED
, 0x7f, &i2c_pad_info1
);
149 /* DDR initialization */
152 board_init_r(NULL
, 0);