]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/theobroma-systems/puma_rk3399/puma-rk3399.c
2 * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <dm/pinctrl.h>
11 #include <dm/uclass-internal.h>
12 #include <asm/setup.h>
13 #include <asm/arch/periph.h>
14 #include <power/regulator.h>
15 #include <u-boot/sha256.h>
17 DECLARE_GLOBAL_DATA_PTR
;
21 struct udevice
*pinctrl
, *regulator
;
25 * The PWM does not have decicated interrupt number in dts and can
26 * not get periph_id by pinctrl framework, so let's init them here.
27 * The PWM2 and PWM3 are for pwm regulators.
29 ret
= uclass_get_device(UCLASS_PINCTRL
, 0, &pinctrl
);
31 debug("%s: Cannot find pinctrl device\n", __func__
);
35 ret
= pinctrl_request_noflags(pinctrl
, PERIPH_ID_PWM2
);
37 debug("%s PWM2 pinctrl init fail!\n", __func__
);
41 /* rk3399 need to init vdd_center to get the correct output voltage */
42 ret
= regulator_get_by_platname("vdd_center", ®ulator
);
44 debug("%s: Cannot get vdd_center regulator\n", __func__
);
46 ret
= regulator_get_by_platname("vcc5v0_host", ®ulator
);
48 debug("%s vcc5v0_host init fail! ret %d\n", __func__
, ret
);
52 ret
= regulator_set_enable(regulator
, true);
54 debug("%s vcc5v0-host-en set fail!\n", __func__
);
62 static void setup_macaddr(void)
64 #if CONFIG_IS_ENABLED(CMD_NET)
66 const char *cpuid
= env_get("cpuid#");
67 u8 hash
[SHA256_SUM_LEN
];
68 int size
= sizeof(hash
);
71 /* Only generate a MAC address, if none is set in the environment */
72 if (env_get("ethaddr"))
76 debug("%s: could not retrieve 'cpuid#'\n", __func__
);
80 ret
= hash_block("sha256", (void *)cpuid
, strlen(cpuid
), hash
, &size
);
82 debug("%s: failed to calculate SHA256\n", __func__
);
86 /* Copy 6 bytes of the hash to base the MAC address on */
87 memcpy(mac_addr
, hash
, 6);
89 /* Make this a valid MAC address and set it */
90 mac_addr
[0] &= 0xfe; /* clear multicast bit */
91 mac_addr
[0] |= 0x02; /* set local assignment bit (IEEE802) */
92 eth_env_set_enetaddr("ethaddr", mac_addr
);
98 static void setup_serial(void)
100 #if CONFIG_IS_ENABLED(ROCKCHIP_EFUSE)
101 const u32 cpuid_offset
= 0x7;
102 const u32 cpuid_length
= 0x10;
106 u8 cpuid
[cpuid_length
];
107 u8 low
[cpuid_length
/2], high
[cpuid_length
/2];
108 char cpuid_str
[cpuid_length
* 2 + 1];
110 char serialno_str
[17];
112 /* retrieve the device */
113 ret
= uclass_get_device_by_driver(UCLASS_MISC
,
114 DM_GET_DRIVER(rockchip_efuse
), &dev
);
116 debug("%s: could not find efuse device\n", __func__
);
120 /* read the cpu_id range from the efuses */
121 ret
= misc_read(dev
, cpuid_offset
, &cpuid
, sizeof(cpuid
));
123 debug("%s: reading cpuid from the efuses failed\n",
128 memset(cpuid_str
, 0, sizeof(cpuid_str
));
129 for (i
= 0; i
< 16; i
++)
130 sprintf(&cpuid_str
[i
* 2], "%02x", cpuid
[i
]);
132 debug("cpuid: %s\n", cpuid_str
);
135 * Mix the cpuid bytes using the same rules as in
136 * ${linux}/drivers/soc/rockchip/rockchip-cpuinfo.c
138 for (i
= 0; i
< 8; i
++) {
139 low
[i
] = cpuid
[1 + (i
<< 1)];
140 high
[i
] = cpuid
[i
<< 1];
143 serialno
= crc32_no_comp(0, low
, 8);
144 serialno
|= (u64
)crc32_no_comp(serialno
, high
, 8) << 32;
145 snprintf(serialno_str
, sizeof(serialno_str
), "%llx", serialno
);
147 env_set("cpuid#", cpuid_str
);
148 env_set("serial#", serialno_str
);
154 int misc_init_r(void)
162 #ifdef CONFIG_SERIAL_TAG
163 void get_board_serial(struct tag_serialnr
*serialnr
)
168 serial_string
= env_get("serial#");
171 serial
= simple_strtoull(serial_string
, NULL
, 16);
173 serialnr
->high
= (u32
)(serial
>> 32);
174 serialnr
->low
= (u32
)(serial
& 0xffffffff);