xref: /rk3399_rockchip-uboot/board/compulab/common/common.c (revision 5d9828563f80a1319e793166974dd6003dc1d941)
1a937fd16SIgor Grinberg /*
2a937fd16SIgor Grinberg  * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
3a937fd16SIgor Grinberg  *
4a937fd16SIgor Grinberg  * Authors: Igor Grinberg <grinberg@compulab.co.il>
5a937fd16SIgor Grinberg  *
6a937fd16SIgor Grinberg  * SPDX-License-Identifier:	GPL-2.0+
7a937fd16SIgor Grinberg  */
8a937fd16SIgor Grinberg 
9a937fd16SIgor Grinberg #include <common.h>
10a937fd16SIgor Grinberg #include <asm/bootm.h>
11959bc1d5SIgor Grinberg #include <asm/gpio.h>
12*5d982856SSimon Glass #include <asm/setup.h>
13a937fd16SIgor Grinberg 
14a937fd16SIgor Grinberg #include "common.h"
15a937fd16SIgor Grinberg #include "eeprom.h"
16a937fd16SIgor Grinberg 
cl_print_pcb_info(void)17a937fd16SIgor Grinberg void cl_print_pcb_info(void)
18a937fd16SIgor Grinberg {
19a937fd16SIgor Grinberg 	u32 board_rev = get_board_rev();
20a937fd16SIgor Grinberg 	u32 rev_major = board_rev / 100;
21a937fd16SIgor Grinberg 	u32 rev_minor = board_rev - (rev_major * 100);
22a937fd16SIgor Grinberg 
23a937fd16SIgor Grinberg 	if ((rev_minor / 10) * 10 == rev_minor)
24a937fd16SIgor Grinberg 		rev_minor = rev_minor / 10;
25a937fd16SIgor Grinberg 
26a937fd16SIgor Grinberg 	printf("PCB:   %u.%u\n", rev_major, rev_minor);
27a937fd16SIgor Grinberg }
28959bc1d5SIgor Grinberg 
290b6f358cSIgor Grinberg #ifdef CONFIG_SERIAL_TAG
get_board_serial(struct tag_serialnr * serialnr)300b6f358cSIgor Grinberg void __weak get_board_serial(struct tag_serialnr *serialnr)
310b6f358cSIgor Grinberg {
320b6f358cSIgor Grinberg 	/*
330b6f358cSIgor Grinberg 	 * This corresponds to what happens when we can communicate with the
340b6f358cSIgor Grinberg 	 * eeprom but don't get a valid board serial value.
350b6f358cSIgor Grinberg 	 */
360b6f358cSIgor Grinberg 	serialnr->low = 0;
370b6f358cSIgor Grinberg 	serialnr->high = 0;
380b6f358cSIgor Grinberg };
390b6f358cSIgor Grinberg #endif
400b6f358cSIgor Grinberg 
41959bc1d5SIgor Grinberg #ifdef CONFIG_CMD_USB
cl_usb_hub_init(int gpio,const char * label)42959bc1d5SIgor Grinberg int cl_usb_hub_init(int gpio, const char *label)
43959bc1d5SIgor Grinberg {
44959bc1d5SIgor Grinberg 	if (gpio_request(gpio, label)) {
45959bc1d5SIgor Grinberg 		printf("Error: can't obtain GPIO%d for %s", gpio, label);
46959bc1d5SIgor Grinberg 		return -1;
47959bc1d5SIgor Grinberg 	}
48959bc1d5SIgor Grinberg 
49959bc1d5SIgor Grinberg 	gpio_direction_output(gpio, 0);
50959bc1d5SIgor Grinberg 	udelay(10);
51959bc1d5SIgor Grinberg 	gpio_set_value(gpio, 1);
52959bc1d5SIgor Grinberg 	udelay(1000);
53959bc1d5SIgor Grinberg 	return 0;
54959bc1d5SIgor Grinberg }
55959bc1d5SIgor Grinberg 
cl_usb_hub_deinit(int gpio)56959bc1d5SIgor Grinberg void cl_usb_hub_deinit(int gpio)
57959bc1d5SIgor Grinberg {
58959bc1d5SIgor Grinberg 	gpio_free(gpio);
59959bc1d5SIgor Grinberg }
60959bc1d5SIgor Grinberg #endif
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