xref: /openbmc/u-boot/board/lg/sniper/sniper.c (revision daa483de)
1 /*
2  * LG Optimus Black codename sniper board
3  *
4  * Copyright (C) 2015 Paul Kocialkowski <contact@paulk.fr>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <config.h>
10 #include <common.h>
11 #include <dm.h>
12 #include <linux/ctype.h>
13 #include <linux/usb/musb.h>
14 #include <asm/omap_musb.h>
15 #include <asm/arch/mmc_host_def.h>
16 #include <asm/arch/sys_proto.h>
17 #include <asm/arch/mem.h>
18 #include <asm/io.h>
19 #include <ns16550.h>
20 #include <twl4030.h>
21 #include "sniper.h"
22 
23 DECLARE_GLOBAL_DATA_PTR;
24 
25 const omap3_sysinfo sysinfo = {
26 	.mtype = DDR_STACKED,
27 	.board_string = "sniper",
28 	.nand_string = "MMC"
29 };
30 
31 static const struct ns16550_platdata serial_omap_platdata = {
32 	.base = OMAP34XX_UART3,
33 	.reg_shift = 2,
34 	.clock = V_NS16550_CLK,
35 	.fcr = UART_FCR_DEFVAL,
36 };
37 
38 U_BOOT_DEVICE(sniper_serial) = {
39 	.name = "ns16550_serial",
40 	.platdata = &serial_omap_platdata
41 };
42 
43 static struct musb_hdrc_config musb_config = {
44 	.multipoint = 1,
45 	.dyn_fifo = 1,
46 	.num_eps = 16,
47 	.ram_bits = 12
48 };
49 
50 static struct omap_musb_board_data musb_board_data = {
51 	.interface_type	= MUSB_INTERFACE_ULPI,
52 };
53 
54 static struct musb_hdrc_platform_data musb_platform_data = {
55 	.mode = MUSB_PERIPHERAL,
56 	.config = &musb_config,
57 	.power = 100,
58 	.platform_ops = &omap2430_ops,
59 	.board_data = &musb_board_data,
60 };
61 
62 void set_muxconf_regs(void)
63 {
64 	MUX_SNIPER();
65 }
66 
67 #ifdef CONFIG_SPL_BUILD
68 void get_board_mem_timings(struct board_sdrc_timings *timings)
69 {
70 	timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
71 	timings->ctrla = HYNIX_V_ACTIMA_200;
72 	timings->ctrlb = HYNIX_V_ACTIMB_200;
73 	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
74 	timings->mr = MICRON_V_MR_165;
75 }
76 #endif
77 
78 int board_init(void)
79 {
80 	/* GPMC init */
81 	gpmc_init();
82 
83 	/* MACH number */
84 	gd->bd->bi_arch_number = 3000;
85 
86 	/* ATAGs location */
87 	gd->bd->bi_boot_params = OMAP34XX_SDRC_CS0 + 0x100;
88 
89 	return 0;
90 }
91 
92 int misc_init_r(void)
93 {
94 	unsigned char keypad_matrix[64] = { 0 };
95 	char reboot_mode[2] = { 0 };
96 	unsigned char keys[3];
97 	unsigned char data = 0;
98 	int rc;
99 
100 	/* Power button reset init */
101 
102 	twl4030_power_reset_init();
103 
104 	/* Keypad */
105 
106 	twl4030_keypad_scan((unsigned char *)&keypad_matrix);
107 
108 	keys[0] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 0);
109 	keys[1] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 1);
110 	keys[2] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 2);
111 
112 	/* Reboot mode */
113 
114 	rc = omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
115 
116 	if (keys[0])
117 		reboot_mode[0] = 'r';
118 	else if (keys[1])
119 		reboot_mode[0] = 'b';
120 
121 	if (rc < 0 || reboot_mode[0] == 'o') {
122 		/*
123 		 * When not rebooting, valid power on reasons are either the
124 		 * power button, charger plug or USB plug.
125 		 */
126 
127 		data |= twl4030_input_power_button();
128 		data |= twl4030_input_charger();
129 		data |= twl4030_input_usb();
130 
131 		if (!data)
132 			twl4030_power_off();
133 	}
134 
135 	if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
136 		if (!getenv("reboot-mode"))
137 			setenv("reboot-mode", (char *)reboot_mode);
138 	}
139 
140 	omap_reboot_mode_clear();
141 
142 	/* Serial number */
143 
144 	omap_die_id_serial();
145 
146 	/* MUSB */
147 
148 	musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
149 
150 	return 0;
151 }
152 
153 u32 get_board_rev(void)
154 {
155 	/* Sold devices are expected to be at least revision F. */
156 	return 6;
157 }
158 
159 void get_board_serial(struct tag_serialnr *serialnr)
160 {
161 	omap_die_id_get_board_serial(serialnr);
162 }
163 
164 void reset_misc(void)
165 {
166 	char reboot_mode[2] = { 0 };
167 
168 	/*
169 	 * Valid resets must contain the reboot mode magic, but we must not
170 	 * override it when set previously (e.g. reboot to bootloader).
171 	 */
172 
173 	omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
174 	omap_reboot_mode_store(reboot_mode);
175 }
176 
177 int fb_set_reboot_flag(void)
178 {
179 	return omap_reboot_mode_store("b");
180 }
181 
182 int board_mmc_init(bd_t *bis)
183 {
184 	return omap_mmc_init(1, 0, 0, -1, -1);
185 }
186 
187 void board_mmc_power_init(void)
188 {
189 	twl4030_power_mmc_init(1);
190 }
191