xref: /openbmc/u-boot/board/lg/sniper/sniper.c (revision e3963c09)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * LG Optimus Black codename sniper board
4  *
5  * Copyright (C) 2015 Paul Kocialkowski <contact@paulk.fr>
6  */
7 
8 #include <config.h>
9 #include <common.h>
10 #include <dm.h>
11 #include <linux/ctype.h>
12 #include <linux/usb/musb.h>
13 #include <asm/omap_musb.h>
14 #include <asm/arch/mmc_host_def.h>
15 #include <asm/arch/sys_proto.h>
16 #include <asm/arch/mem.h>
17 #include <asm/io.h>
18 #include <ns16550.h>
19 #include <twl4030.h>
20 #include "sniper.h"
21 
22 DECLARE_GLOBAL_DATA_PTR;
23 
24 const omap3_sysinfo sysinfo = {
25 	.mtype = DDR_STACKED,
26 	.board_string = "sniper",
27 	.nand_string = "MMC"
28 };
29 
30 static const struct ns16550_platdata serial_omap_platdata = {
31 	.base = OMAP34XX_UART3,
32 	.reg_shift = 2,
33 	.clock = V_NS16550_CLK,
34 	.fcr = UART_FCR_DEFVAL,
35 };
36 
37 U_BOOT_DEVICE(sniper_serial) = {
38 	.name = "ns16550_serial",
39 	.platdata = &serial_omap_platdata
40 };
41 
42 static struct musb_hdrc_config musb_config = {
43 	.multipoint = 1,
44 	.dyn_fifo = 1,
45 	.num_eps = 16,
46 	.ram_bits = 12
47 };
48 
49 static struct omap_musb_board_data musb_board_data = {
50 	.interface_type	= MUSB_INTERFACE_ULPI,
51 };
52 
53 static struct musb_hdrc_platform_data musb_platform_data = {
54 	.mode = MUSB_PERIPHERAL,
55 	.config = &musb_config,
56 	.power = 100,
57 	.platform_ops = &omap2430_ops,
58 	.board_data = &musb_board_data,
59 };
60 
61 void set_muxconf_regs(void)
62 {
63 	MUX_SNIPER();
64 }
65 
66 #ifdef CONFIG_SPL_BUILD
67 void get_board_mem_timings(struct board_sdrc_timings *timings)
68 {
69 	timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
70 	timings->ctrla = HYNIX_V_ACTIMA_200;
71 	timings->ctrlb = HYNIX_V_ACTIMB_200;
72 	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
73 	timings->mr = MICRON_V_MR_165;
74 }
75 #endif
76 
77 int board_init(void)
78 {
79 	/* GPMC init */
80 	gpmc_init();
81 
82 	/* MACH number */
83 	gd->bd->bi_arch_number = 3000;
84 
85 	/* ATAGs location */
86 	gd->bd->bi_boot_params = OMAP34XX_SDRC_CS0 + 0x100;
87 
88 	return 0;
89 }
90 
91 int misc_init_r(void)
92 {
93 	unsigned char keypad_matrix[64] = { 0 };
94 	char reboot_mode[2] = { 0 };
95 	unsigned char keys[3];
96 	unsigned char data = 0;
97 	int rc;
98 
99 	/* Power button reset init */
100 
101 	twl4030_power_reset_init();
102 
103 	/* Keypad */
104 
105 	twl4030_keypad_scan((unsigned char *)&keypad_matrix);
106 
107 	keys[0] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 0);
108 	keys[1] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 1);
109 	keys[2] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 2);
110 
111 	/* Reboot mode */
112 
113 	rc = omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
114 
115 	if (keys[0])
116 		reboot_mode[0] = 'r';
117 	else if (keys[1])
118 		reboot_mode[0] = 'b';
119 
120 	if (rc < 0 || reboot_mode[0] == 'o') {
121 		/*
122 		 * When not rebooting, valid power on reasons are either the
123 		 * power button, charger plug or USB plug.
124 		 */
125 
126 		data |= twl4030_input_power_button();
127 		data |= twl4030_input_charger();
128 		data |= twl4030_input_usb();
129 
130 		if (!data)
131 			twl4030_power_off();
132 	}
133 
134 	if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
135 		if (!env_get("reboot-mode"))
136 			env_set("reboot-mode", (char *)reboot_mode);
137 	}
138 
139 	omap_reboot_mode_clear();
140 
141 	/* Serial number */
142 
143 	omap_die_id_serial();
144 
145 	/* MUSB */
146 
147 	musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
148 
149 	return 0;
150 }
151 
152 u32 get_board_rev(void)
153 {
154 	/* Sold devices are expected to be at least revision F. */
155 	return 6;
156 }
157 
158 void get_board_serial(struct tag_serialnr *serialnr)
159 {
160 	omap_die_id_get_board_serial(serialnr);
161 }
162 
163 void reset_misc(void)
164 {
165 	char reboot_mode[2] = { 0 };
166 
167 	/*
168 	 * Valid resets must contain the reboot mode magic, but we must not
169 	 * override it when set previously (e.g. reboot to bootloader).
170 	 */
171 
172 	omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
173 	omap_reboot_mode_store(reboot_mode);
174 }
175 
176 int fastboot_set_reboot_flag(void)
177 {
178 	return omap_reboot_mode_store("b");
179 }
180 
181 int board_mmc_init(bd_t *bis)
182 {
183 	return omap_mmc_init(1, 0, 0, -1, -1);
184 }
185 
186 void board_mmc_power_init(void)
187 {
188 	twl4030_power_mmc_init(1);
189 }
190