1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2019 Rockchip Electronics Co., Ltd.
4  */
5 #include <common.h>
6 #include <clk.h>
7 #include <cpu_func.h>
8 #include <dm.h>
9 #include <fastboot.h>
10 #include <init.h>
11 #include <log.h>
12 #include <ram.h>
13 #include <syscon.h>
14 #include <asm/cache.h>
15 #include <asm/global_data.h>
16 #include <asm/io.h>
17 #include <asm/arch-rockchip/boot_mode.h>
18 #include <asm/arch-rockchip/clock.h>
19 #include <asm/arch-rockchip/periph.h>
20 #include <asm/arch-rockchip/misc.h>
21 #include <power/regulator.h>
22 
23 DECLARE_GLOBAL_DATA_PTR;
24 
rk_board_late_init(void)25 __weak int rk_board_late_init(void)
26 {
27 	return 0;
28 }
29 
board_late_init(void)30 int board_late_init(void)
31 {
32 	setup_boot_mode();
33 
34 	return rk_board_late_init();
35 }
36 
board_init(void)37 int board_init(void)
38 {
39 	int ret;
40 
41 #ifdef CONFIG_DM_REGULATOR
42 	ret = regulators_enable_boot_on(false);
43 	if (ret)
44 		debug("%s: Cannot enable boot on regulator\n", __func__);
45 #endif
46 
47 	return 0;
48 }
49 
50 #if !defined(CONFIG_SYS_DCACHE_OFF) && !defined(CONFIG_ARM64)
enable_caches(void)51 void enable_caches(void)
52 {
53 	/* Enable D-cache. I-cache is already enabled in start.S */
54 	dcache_enable();
55 }
56 #endif
57 
58 #if defined(CONFIG_USB_GADGET)
59 #include <usb.h>
60 
61 #if defined(CONFIG_USB_GADGET_DWC2_OTG)
62 #include <usb/dwc2_udc.h>
63 
64 static struct dwc2_plat_otg_data otg_data = {
65 	.rx_fifo_sz	= 512,
66 	.np_tx_fifo_sz	= 16,
67 	.tx_fifo_sz	= 128,
68 };
69 
board_usb_init(int index,enum usb_init_type init)70 int board_usb_init(int index, enum usb_init_type init)
71 {
72 	ofnode node;
73 	const char *mode;
74 	bool matched = false;
75 
76 	/* find the usb_otg node */
77 	node = ofnode_by_compatible(ofnode_null(), "snps,dwc2");
78 	while (ofnode_valid(node)) {
79 		mode = ofnode_read_string(node, "dr_mode");
80 		if (mode && strcmp(mode, "otg") == 0) {
81 			matched = true;
82 			break;
83 		}
84 
85 		node = ofnode_by_compatible(node, "snps,dwc2");
86 	}
87 	if (!matched) {
88 		debug("Not found usb_otg device\n");
89 		return -ENODEV;
90 	}
91 	otg_data.regs_otg = ofnode_get_addr(node);
92 
93 #ifdef CONFIG_ROCKCHIP_RK3288
94 	int ret;
95 	u32 phandle, offset;
96 	ofnode phy_node;
97 
98 	ret = ofnode_read_u32(node, "phys", &phandle);
99 	if (ret)
100 		return ret;
101 
102 	node = ofnode_get_by_phandle(phandle);
103 	if (!ofnode_valid(node)) {
104 		debug("Not found usb phy device\n");
105 		return -ENODEV;
106 	}
107 
108 	phy_node = ofnode_get_parent(node);
109 	if (!ofnode_valid(node)) {
110 		debug("Not found usb phy device\n");
111 		return -ENODEV;
112 	}
113 
114 	otg_data.phy_of_node = phy_node;
115 	ret = ofnode_read_u32(node, "reg", &offset);
116 	if (ret)
117 		return ret;
118 	otg_data.regs_phy =  offset +
119 		(u32)syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
120 #endif
121 	return dwc2_udc_probe(&otg_data);
122 }
123 
board_usb_cleanup(int index,enum usb_init_type init)124 int board_usb_cleanup(int index, enum usb_init_type init)
125 {
126 	return 0;
127 }
128 #endif /* CONFIG_USB_GADGET_DWC2_OTG */
129 
130 #if defined(CONFIG_USB_DWC3_GADGET) && !defined(CONFIG_DM_USB_GADGET)
131 #include <dwc3-uboot.h>
132 
133 static struct dwc3_device dwc3_device_data = {
134 	.maximum_speed = USB_SPEED_HIGH,
135 	.base = 0xfe800000,
136 	.dr_mode = USB_DR_MODE_PERIPHERAL,
137 	.index = 0,
138 	.dis_u2_susphy_quirk = 1,
139 	.hsphy_mode = USBPHY_INTERFACE_MODE_UTMIW,
140 };
141 
usb_gadget_handle_interrupts(int index)142 int usb_gadget_handle_interrupts(int index)
143 {
144 	dwc3_uboot_handle_interrupt(0);
145 	return 0;
146 }
147 
board_usb_init(int index,enum usb_init_type init)148 int board_usb_init(int index, enum usb_init_type init)
149 {
150 	return dwc3_uboot_init(&dwc3_device_data);
151 }
152 #endif /* CONFIG_USB_DWC3_GADGET */
153 
154 #endif /* CONFIG_USB_GADGET */
155 
156 #if CONFIG_IS_ENABLED(FASTBOOT)
fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)157 int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
158 {
159 	if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
160 		return -ENOTSUPP;
161 
162 	printf("Setting reboot to fastboot flag ...\n");
163 	/* Set boot mode to fastboot */
164 	writel(BOOT_FASTBOOT, CONFIG_ROCKCHIP_BOOT_MODE_REG);
165 
166 	return 0;
167 }
168 #endif
169 
170 #ifdef CONFIG_MISC_INIT_R
misc_init_r(void)171 __weak int misc_init_r(void)
172 {
173 	const u32 cpuid_offset = 0x7;
174 	const u32 cpuid_length = 0x10;
175 	u8 cpuid[cpuid_length];
176 	int ret;
177 
178 	ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid);
179 	if (ret)
180 		return ret;
181 
182 	ret = rockchip_cpuid_set(cpuid, cpuid_length);
183 	if (ret)
184 		return ret;
185 
186 	ret = rockchip_setup_macaddr();
187 
188 	return ret;
189 }
190 #endif
191