1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2016 Freescale Semiconductor, Inc.
4 */
5
6 #include <common.h>
7 #include <fdt_support.h>
8 #include <init.h>
9 #include <asm/global_data.h>
10 #include <asm/io.h>
11 #include <asm/arch/sys_proto.h>
12 #include <asm/arch/mx7ulp-pins.h>
13 #include <asm/arch/iomux.h>
14 #include <asm/mach-imx/boot_mode.h>
15
16 DECLARE_GLOBAL_DATA_PTR;
17
18 #define UART_PAD_CTRL (PAD_CTL_PUS_UP)
19
dram_init(void)20 int dram_init(void)
21 {
22 gd->ram_size = imx_ddr_size();
23
24 return 0;
25 }
26
27 static iomux_cfg_t const lpuart4_pads[] = {
28 MX7ULP_PAD_PTC3__LPUART4_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
29 MX7ULP_PAD_PTC2__LPUART4_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
30 };
31
setup_iomux_uart(void)32 static void setup_iomux_uart(void)
33 {
34 mx7ulp_iomux_setup_multiple_pads(lpuart4_pads,
35 ARRAY_SIZE(lpuart4_pads));
36 }
37
board_early_init_f(void)38 int board_early_init_f(void)
39 {
40 setup_iomux_uart();
41
42 return 0;
43 }
44
board_init(void)45 int board_init(void)
46 {
47 /* address of boot parameters */
48 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
49
50 return 0;
51 }
52
53 #if IS_ENABLED(CONFIG_OF_BOARD_SETUP)
ft_board_setup(void * blob,struct bd_info * bd)54 int ft_board_setup(void *blob, struct bd_info *bd)
55 {
56 const char *path;
57 int rc, nodeoff;
58
59 if (get_boot_device() == USB_BOOT) {
60 path = fdt_get_alias(blob, "mmc0");
61 if (!path) {
62 puts("Not found mmc0\n");
63 return 0;
64 }
65
66 nodeoff = fdt_path_offset(blob, path);
67 if (nodeoff < 0)
68 return 0;
69
70 printf("Found usdhc0 node\n");
71 if (fdt_get_property(blob, nodeoff, "vqmmc-supply",
72 NULL) != NULL) {
73 rc = fdt_delprop(blob, nodeoff, "vqmmc-supply");
74 if (!rc) {
75 puts("Removed vqmmc-supply property\n");
76 add:
77 rc = fdt_setprop(blob, nodeoff,
78 "no-1-8-v", NULL, 0);
79 if (rc == -FDT_ERR_NOSPACE) {
80 rc = fdt_increase_size(blob, 32);
81 if (!rc)
82 goto add;
83 } else if (rc) {
84 printf("Failed to add no-1-8-v property, %d\n", rc);
85 } else {
86 puts("Added no-1-8-v property\n");
87 }
88 } else {
89 printf("Failed to remove vqmmc-supply property, %d\n", rc);
90 }
91 }
92 }
93
94 return 0;
95 }
96 #endif
97