1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2015 Rockchip Electronics Co., Ltd
4  */
5 
6 #include <common.h>
7 #include <clk.h>
8 #include <dm.h>
9 #include <ram.h>
10 #include <asm/gpio.h>
11 #include <asm/io.h>
12 #include <asm/arch/clock.h>
13 #include <asm/arch/periph.h>
14 #include <asm/arch/grf_rk3036.h>
15 #include <asm/arch/boot_mode.h>
16 #include <asm/arch/sdram_rk3036.h>
17 #include <dm/pinctrl.h>
18 
19 DECLARE_GLOBAL_DATA_PTR;
20 
21 __weak int rk_board_late_init(void)
22 {
23 	return 0;
24 }
25 
26 int board_late_init(void)
27 {
28 	setup_boot_mode();
29 
30 	return rk_board_late_init();
31 }
32 
33 int board_init(void)
34 {
35 	return 0;
36 }
37 
38 #if !CONFIG_IS_ENABLED(RAM)
39 /*
40  * When CONFIG_RAM is enabled, the dram_init() function is implemented
41  * in sdram_common.c.
42  */
43 int dram_init(void)
44 {
45 	gd->ram_size = sdram_size();
46 
47 	return 0;
48 }
49 #endif
50 
51 #ifndef CONFIG_SYS_DCACHE_OFF
52 void enable_caches(void)
53 {
54 	/* Enable D-cache. I-cache is already enabled in start.S */
55 	dcache_enable();
56 }
57 #endif
58 
59 #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
60 #include <usb.h>
61 #include <usb/dwc2_udc.h>
62 
63 static struct dwc2_plat_otg_data rk3036_otg_data = {
64 	.rx_fifo_sz	= 512,
65 	.np_tx_fifo_sz	= 16,
66 	.tx_fifo_sz	= 128,
67 };
68 
69 int board_usb_init(int index, enum usb_init_type init)
70 {
71 	int node;
72 	const char *mode;
73 	bool matched = false;
74 	const void *blob = gd->fdt_blob;
75 
76 	/* find the usb_otg node */
77 	node = fdt_node_offset_by_compatible(blob, -1,
78 					"rockchip,rk3288-usb");
79 
80 	while (node > 0) {
81 		mode = fdt_getprop(blob, node, "dr_mode", NULL);
82 		if (mode && strcmp(mode, "otg") == 0) {
83 			matched = true;
84 			break;
85 		}
86 
87 		node = fdt_node_offset_by_compatible(blob, node,
88 					"rockchip,rk3288-usb");
89 	}
90 	if (!matched) {
91 		debug("Not found usb_otg device\n");
92 		return -ENODEV;
93 	}
94 	rk3036_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
95 
96 	return dwc2_udc_probe(&rk3036_otg_data);
97 }
98 
99 int board_usb_cleanup(int index, enum usb_init_type init)
100 {
101 	return 0;
102 }
103 #endif
104