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6#include <common.h>
7#include <dm.h>
8#include <env.h>
9#include <env_internal.h>
10#include <init.h>
11#include <log.h>
12#include <misc.h>
13#include <spl.h>
14#include <syscon.h>
15#include <u-boot/crc.h>
16#include <usb.h>
17#include <dm/pinctrl.h>
18#include <dm/uclass-internal.h>
19#include <asm/io.h>
20#include <asm/setup.h>
21#include <asm/arch-rockchip/clock.h>
22#include <asm/arch-rockchip/hardware.h>
23#include <asm/arch-rockchip/grf_rk3399.h>
24#include <asm/arch-rockchip/periph.h>
25#include <asm/arch-rockchip/misc.h>
26#include <power/regulator.h>
27#include <u-boot/sha256.h>
28
29static void setup_iodomain(void)
30{
31 const u32 GRF_IO_VSEL_GPIO4CD_SHIFT = 3;
32 struct rk3399_grf_regs *grf =
33 syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
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35
36
37
38
39
40 rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_GPIO4CD_SHIFT);
41}
42
43
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45
46
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49
50
51
52static int setup_boottargets(void)
53{
54 const char *boot_device =
55 ofnode_read_chosen_string("u-boot,spl-boot-device");
56 char *env_default, *env;
57
58 if (!boot_device) {
59 debug("%s: /chosen/u-boot,spl-boot-device not set\n",
60 __func__);
61 return -1;
62 }
63 debug("%s: booted from %s\n", __func__, boot_device);
64
65 env_default = env_get_default("boot_targets");
66 env = env_get("boot_targets");
67 if (!env) {
68 debug("%s: boot_targets does not exist\n", __func__);
69 return -1;
70 }
71 debug("%s: boot_targets current: %s - default: %s\n",
72 __func__, env, env_default);
73
74 if (strcmp(env_default, env) != 0) {
75 debug("%s: boot_targets not default, don't change it\n",
76 __func__);
77 return 0;
78 }
79
80
81
82
83
84
85 if (strcmp(boot_device, "/spi@ff1d0000/flash@0")) {
86 bool sd_booted = !strcmp(boot_device, "/mmc@fe320000");
87 char *mmc0, *mmc1;
88
89 debug("%s: booted from %s\n", __func__,
90 sd_booted ? "SD-Card" : "eMMC");
91 mmc0 = strstr(env, "mmc0");
92 mmc1 = strstr(env, "mmc1");
93
94 if (!mmc0 || !mmc1) {
95 debug("%s: only one mmc boot_target found\n", __func__);
96 return -1;
97 }
98
99
100
101
102
103
104
105 if ((mmc0 < mmc1 && sd_booted) ||
106 (mmc0 > mmc1 && !sd_booted)) {
107 mmc0[3] = '1';
108 mmc1[3] = '0';
109 debug("%s: set boot_targets to: %s\n", __func__, env);
110 env_set("boot_targets", env);
111 }
112 }
113
114 return 0;
115}
116
117int mmc_get_env_dev(void)
118{
119 const char *boot_device =
120 ofnode_read_chosen_string("u-boot,spl-boot-device");
121
122 if (!boot_device) {
123 debug("%s: /chosen/u-boot,spl-boot-device not set\n",
124 __func__);
125 return CONFIG_SYS_MMC_ENV_DEV;
126 }
127
128 debug("%s: booted from %s\n", __func__, boot_device);
129
130 if (!strcmp(boot_device, "/mmc@fe320000"))
131 return 1;
132
133 if (!strcmp(boot_device, "/mmc@fe330000"))
134 return 0;
135
136 return CONFIG_SYS_MMC_ENV_DEV;
137}
138
139#if !IS_ENABLED(CONFIG_ENV_IS_NOWHERE)
140#error Please enable CONFIG_ENV_IS_NOWHERE
141#endif
142
143enum env_location arch_env_get_location(enum env_operation op, int prio)
144{
145 const char *boot_device =
146 ofnode_read_chosen_string("u-boot,spl-boot-device");
147
148 if (prio > 0)
149 return ENVL_UNKNOWN;
150
151 if (!boot_device) {
152 debug("%s: /chosen/u-boot,spl-boot-device not set\n",
153 __func__);
154 return ENVL_NOWHERE;
155 }
156
157 debug("%s: booted from %s\n", __func__, boot_device);
158
159 if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH) &&
160 !strcmp(boot_device, "/spi@ff1d0000/flash@0"))
161 return ENVL_SPI_FLASH;
162
163 if (IS_ENABLED(CONFIG_ENV_IS_IN_MMC) &&
164 (!strcmp(boot_device, "/mmc@fe320000") ||
165 !strcmp(boot_device, "/mmc@fe330000")))
166 return ENVL_MMC;
167
168 printf("%s: No environment available: booted from %s but U-Boot "
169 "config does not allow loading environment from it.",
170 __func__, boot_device);
171
172 return ENVL_NOWHERE;
173}
174
175int misc_init_r(void)
176{
177 const u32 cpuid_offset = 0x7;
178 const u32 cpuid_length = 0x10;
179 u8 cpuid[cpuid_length];
180 int ret;
181
182 ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid);
183 if (ret)
184 return ret;
185
186 ret = rockchip_cpuid_set(cpuid, cpuid_length);
187 if (ret)
188 return ret;
189
190 ret = rockchip_setup_macaddr();
191 if (ret)
192 return ret;
193
194 setup_iodomain();
195 setup_boottargets();
196
197 return 0;
198}
199