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
set_muxconf_regs(void)61 void set_muxconf_regs(void)
62 {
63 MUX_SNIPER();
64 }
65
66 #ifdef CONFIG_SPL_BUILD
get_board_mem_timings(struct board_sdrc_timings * timings)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
board_init(void)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
misc_init_r(void)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
get_board_rev(void)152 u32 get_board_rev(void)
153 {
154 /* Sold devices are expected to be at least revision F. */
155 return 6;
156 }
157
get_board_serial(struct tag_serialnr * serialnr)158 void get_board_serial(struct tag_serialnr *serialnr)
159 {
160 omap_die_id_get_board_serial(serialnr);
161 }
162
reset_misc(void)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
fastboot_set_reboot_flag(void)176 int fastboot_set_reboot_flag(void)
177 {
178 return omap_reboot_mode_store("b");
179 }
180
board_mmc_init(bd_t * bis)181 int board_mmc_init(bd_t *bis)
182 {
183 return omap_mmc_init(1, 0, 0, -1, -1);
184 }
185
board_mmc_power_init(void)186 void board_mmc_power_init(void)
187 {
188 twl4030_power_mmc_init(1);
189 }
190