board/lg/sniper/sniper.c

   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 }