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 <env.h>
12 #include <fastboot.h>
13 #include <init.h>
14 #include <asm/global_data.h>
15 #include <linux/ctype.h>
16 #include <linux/usb/musb.h>
17 #include <asm/omap_musb.h>
18 #include <asm/arch/mmc_host_def.h>
19 #include <asm/arch/sys_proto.h>
20 #include <asm/arch/mem.h>
21 #include <asm/io.h>
22 #include <ns16550.h>
23 #include <twl4030.h>
24 #include "sniper.h"
25 
26 DECLARE_GLOBAL_DATA_PTR;
27 
28 const omap3_sysinfo sysinfo = {
29 	.mtype = DDR_STACKED,
30 	.board_string = "sniper",
31 	.nand_string = "MMC"
32 };
33 
34 static const struct ns16550_plat serial_omap_plat = {
35 	.base = OMAP34XX_UART3,
36 	.reg_shift = 2,
37 	.clock = V_NS16550_CLK,
38 	.fcr = UART_FCR_DEFVAL,
39 };
40 
41 U_BOOT_DRVINFO(sniper_serial) = {
42 	.name = "ns16550_serial",
43 	.plat = &serial_omap_plat
44 };
45 
46 static struct musb_hdrc_config musb_config = {
47 	.multipoint = 1,
48 	.dyn_fifo = 1,
49 	.num_eps = 16,
50 	.ram_bits = 12
51 };
52 
53 static struct omap_musb_board_data musb_board_data = {
54 	.interface_type	= MUSB_INTERFACE_ULPI,
55 };
56 
57 static struct musb_hdrc_platform_data musb_platform_data = {
58 	.mode = MUSB_PERIPHERAL,
59 	.config = &musb_config,
60 	.power = 100,
61 	.platform_ops = &omap2430_ops,
62 	.board_data = &musb_board_data,
63 };
64 
set_muxconf_regs(void)65 void set_muxconf_regs(void)
66 {
67 	MUX_SNIPER();
68 }
69 
70 #ifdef CONFIG_SPL_BUILD
get_board_mem_timings(struct board_sdrc_timings * timings)71 void get_board_mem_timings(struct board_sdrc_timings *timings)
72 {
73 	timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
74 	timings->ctrla = HYNIX_V_ACTIMA_200;
75 	timings->ctrlb = HYNIX_V_ACTIMB_200;
76 	timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
77 	timings->mr = MICRON_V_MR_165;
78 }
79 #endif
80 
board_init(void)81 int board_init(void)
82 {
83 	/* GPMC init */
84 	gpmc_init();
85 
86 	/* MACH number */
87 	gd->bd->bi_arch_number = 3000;
88 
89 	/* ATAGs location */
90 	gd->bd->bi_boot_params = OMAP34XX_SDRC_CS0 + 0x100;
91 
92 	return 0;
93 }
94 
misc_init_r(void)95 int misc_init_r(void)
96 {
97 	unsigned char keypad_matrix[64] = { 0 };
98 	char reboot_mode[2] = { 0 };
99 	unsigned char keys[3];
100 	unsigned char data = 0;
101 	int rc;
102 
103 	/* Power button reset init */
104 
105 	twl4030_power_reset_init();
106 
107 	/* Keypad */
108 
109 	twl4030_keypad_scan((unsigned char *)&keypad_matrix);
110 
111 	keys[0] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 0);
112 	keys[1] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 1);
113 	keys[2] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 2);
114 
115 	/* Reboot mode */
116 
117 	rc = omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
118 
119 	if (keys[0])
120 		reboot_mode[0] = 'r';
121 	else if (keys[1])
122 		reboot_mode[0] = 'b';
123 
124 	if (rc < 0 || reboot_mode[0] == 'o') {
125 		/*
126 		 * When not rebooting, valid power on reasons are either the
127 		 * power button, charger plug or USB plug.
128 		 */
129 
130 		data |= twl4030_input_power_button();
131 		data |= twl4030_input_charger();
132 		data |= twl4030_input_usb();
133 
134 		if (!data)
135 			twl4030_power_off();
136 	}
137 
138 	if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
139 		if (!env_get("reboot-mode"))
140 			env_set("reboot-mode", (char *)reboot_mode);
141 	}
142 
143 	omap_reboot_mode_clear();
144 
145 	/* Serial number */
146 
147 	omap_die_id_serial();
148 
149 	/* MUSB */
150 
151 	musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
152 
153 	return 0;
154 }
155 
get_board_rev(void)156 u32 get_board_rev(void)
157 {
158 	/* Sold devices are expected to be at least revision F. */
159 	return 6;
160 }
161 
get_board_serial(struct tag_serialnr * serialnr)162 void get_board_serial(struct tag_serialnr *serialnr)
163 {
164 	omap_die_id_get_board_serial(serialnr);
165 }
166 
reset_misc(void)167 void reset_misc(void)
168 {
169 	char reboot_mode[2] = { 0 };
170 
171 	/*
172 	 * Valid resets must contain the reboot mode magic, but we must not
173 	 * override it when set previously (e.g. reboot to bootloader).
174 	 */
175 
176 	omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
177 	omap_reboot_mode_store(reboot_mode);
178 }
179 
fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)180 int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
181 {
182 	if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
183 		return -ENOTSUPP;
184 
185 	return omap_reboot_mode_store("b");
186 }
187 
board_mmc_init(struct bd_info * bis)188 int board_mmc_init(struct bd_info *bis)
189 {
190 	return omap_mmc_init(1, 0, 0, -1, -1);
191 }
192 
board_mmc_power_init(void)193 void board_mmc_power_init(void)
194 {
195 	twl4030_power_mmc_init(1);
196 }
197