xref: /openbmc/u-boot/drivers/board/sandbox.c (revision 592cd5de)
1*e6fd0181SMario Six // SPDX-License-Identifier: GPL-2.0+
2*e6fd0181SMario Six /*
3*e6fd0181SMario Six  * (C) Copyright 2018
4*e6fd0181SMario Six  * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
5*e6fd0181SMario Six  */
6*e6fd0181SMario Six 
7*e6fd0181SMario Six #include <common.h>
8*e6fd0181SMario Six #include <dm.h>
9*e6fd0181SMario Six #include <board.h>
10*e6fd0181SMario Six 
11*e6fd0181SMario Six #include "sandbox.h"
12*e6fd0181SMario Six 
13*e6fd0181SMario Six struct board_sandbox_priv {
14*e6fd0181SMario Six 	bool called_detect;
15*e6fd0181SMario Six 	int test_i1;
16*e6fd0181SMario Six 	int test_i2;
17*e6fd0181SMario Six };
18*e6fd0181SMario Six 
19*e6fd0181SMario Six char vacation_spots[][64] = {"R'lyeh", "Dreamlands", "Plateau of Leng",
20*e6fd0181SMario Six 			     "Carcosa", "Yuggoth", "The Nameless City"};
21*e6fd0181SMario Six 
board_sandbox_detect(struct udevice * dev)22*e6fd0181SMario Six int board_sandbox_detect(struct udevice *dev)
23*e6fd0181SMario Six {
24*e6fd0181SMario Six 	struct board_sandbox_priv *priv = dev_get_priv(dev);
25*e6fd0181SMario Six 
26*e6fd0181SMario Six 	priv->called_detect = true;
27*e6fd0181SMario Six 	priv->test_i2 = 100;
28*e6fd0181SMario Six 
29*e6fd0181SMario Six 	return 0;
30*e6fd0181SMario Six }
31*e6fd0181SMario Six 
board_sandbox_get_bool(struct udevice * dev,int id,bool * val)32*e6fd0181SMario Six int board_sandbox_get_bool(struct udevice *dev, int id, bool *val)
33*e6fd0181SMario Six {
34*e6fd0181SMario Six 	struct board_sandbox_priv *priv = dev_get_priv(dev);
35*e6fd0181SMario Six 
36*e6fd0181SMario Six 	switch (id) {
37*e6fd0181SMario Six 	case BOOL_CALLED_DETECT:
38*e6fd0181SMario Six 		/* Checks if the dectect method has been called */
39*e6fd0181SMario Six 		*val = priv->called_detect;
40*e6fd0181SMario Six 		return 0;
41*e6fd0181SMario Six 	}
42*e6fd0181SMario Six 
43*e6fd0181SMario Six 	return -ENOENT;
44*e6fd0181SMario Six }
45*e6fd0181SMario Six 
board_sandbox_get_int(struct udevice * dev,int id,int * val)46*e6fd0181SMario Six int board_sandbox_get_int(struct udevice *dev, int id, int *val)
47*e6fd0181SMario Six {
48*e6fd0181SMario Six 	struct board_sandbox_priv *priv = dev_get_priv(dev);
49*e6fd0181SMario Six 
50*e6fd0181SMario Six 	switch (id) {
51*e6fd0181SMario Six 	case INT_TEST1:
52*e6fd0181SMario Six 		*val = priv->test_i1;
53*e6fd0181SMario Six 		/* Increments with every call */
54*e6fd0181SMario Six 		priv->test_i1++;
55*e6fd0181SMario Six 		return 0;
56*e6fd0181SMario Six 	case INT_TEST2:
57*e6fd0181SMario Six 		*val = priv->test_i2;
58*e6fd0181SMario Six 		/* Decrements with every call */
59*e6fd0181SMario Six 		priv->test_i2--;
60*e6fd0181SMario Six 		return 0;
61*e6fd0181SMario Six 	}
62*e6fd0181SMario Six 
63*e6fd0181SMario Six 	return -ENOENT;
64*e6fd0181SMario Six }
65*e6fd0181SMario Six 
board_sandbox_get_str(struct udevice * dev,int id,size_t size,char * val)66*e6fd0181SMario Six int board_sandbox_get_str(struct udevice *dev, int id, size_t size, char *val)
67*e6fd0181SMario Six {
68*e6fd0181SMario Six 	struct board_sandbox_priv *priv = dev_get_priv(dev);
69*e6fd0181SMario Six 	int i1 = priv->test_i1;
70*e6fd0181SMario Six 	int i2 = priv->test_i2;
71*e6fd0181SMario Six 	int index = (i1 * i2) % ARRAY_SIZE(vacation_spots);
72*e6fd0181SMario Six 
73*e6fd0181SMario Six 	switch (id) {
74*e6fd0181SMario Six 	case STR_VACATIONSPOT:
75*e6fd0181SMario Six 		/* Picks a vacation spot depending on i1 and i2 */
76*e6fd0181SMario Six 		snprintf(val, size, vacation_spots[index]);
77*e6fd0181SMario Six 		return 0;
78*e6fd0181SMario Six 	}
79*e6fd0181SMario Six 
80*e6fd0181SMario Six 	return -ENOENT;
81*e6fd0181SMario Six }
82*e6fd0181SMario Six 
83*e6fd0181SMario Six static const struct udevice_id board_sandbox_ids[] = {
84*e6fd0181SMario Six 	{ .compatible = "sandbox,board_sandbox" },
85*e6fd0181SMario Six 	{ /* sentinel */ }
86*e6fd0181SMario Six };
87*e6fd0181SMario Six 
88*e6fd0181SMario Six static const struct board_ops board_sandbox_ops = {
89*e6fd0181SMario Six 	.detect = board_sandbox_detect,
90*e6fd0181SMario Six 	.get_bool = board_sandbox_get_bool,
91*e6fd0181SMario Six 	.get_int = board_sandbox_get_int,
92*e6fd0181SMario Six 	.get_str = board_sandbox_get_str,
93*e6fd0181SMario Six };
94*e6fd0181SMario Six 
board_sandbox_probe(struct udevice * dev)95*e6fd0181SMario Six int board_sandbox_probe(struct udevice *dev)
96*e6fd0181SMario Six {
97*e6fd0181SMario Six 	return 0;
98*e6fd0181SMario Six }
99*e6fd0181SMario Six 
100*e6fd0181SMario Six U_BOOT_DRIVER(board_sandbox) = {
101*e6fd0181SMario Six 	.name           = "board_sandbox",
102*e6fd0181SMario Six 	.id             = UCLASS_BOARD,
103*e6fd0181SMario Six 	.of_match       = board_sandbox_ids,
104*e6fd0181SMario Six 	.ops		= &board_sandbox_ops,
105*e6fd0181SMario Six 	.priv_auto_alloc_size = sizeof(struct board_sandbox_priv),
106*e6fd0181SMario Six 	.probe          = board_sandbox_probe,
107*e6fd0181SMario Six };
108