mirror of
https://github.com/brain-hackers/u-boot-brain
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![Paul Kocialkowski](/assets/img/avatar_default.png)
Reboot mode garbage is found on cold reset and might be seen as valid on the next warm reset, thus it has to be cleared on cold reset. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> Reviewed-by: Tom Rini <trini@konsulko.com>
179 lines
3.5 KiB
C
179 lines
3.5 KiB
C
/*
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* LG Optimus Black codename sniper board
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*
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* Copyright (C) 2015 Paul Kocialkowski <contact@paulk.fr>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <config.h>
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#include <common.h>
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#include <dm.h>
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#include <linux/ctype.h>
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#include <linux/usb/musb.h>
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#include <asm/omap_musb.h>
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#include <asm/arch/mmc_host_def.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/mem.h>
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#include <asm/io.h>
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#include <ns16550.h>
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#include <twl4030.h>
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#include "sniper.h"
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DECLARE_GLOBAL_DATA_PTR;
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const omap3_sysinfo sysinfo = {
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.mtype = DDR_STACKED,
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.board_string = "sniper",
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.nand_string = "MMC"
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};
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static const struct ns16550_platdata serial_omap_platdata = {
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.base = OMAP34XX_UART3,
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.reg_shift = 2,
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.clock = V_NS16550_CLK
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};
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U_BOOT_DEVICE(sniper_serial) = {
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.name = "ns16550_serial",
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.platdata = &serial_omap_platdata
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};
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static struct musb_hdrc_config musb_config = {
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.multipoint = 1,
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.dyn_fifo = 1,
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.num_eps = 16,
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.ram_bits = 12
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};
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static struct omap_musb_board_data musb_board_data = {
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.interface_type = MUSB_INTERFACE_ULPI,
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};
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static struct musb_hdrc_platform_data musb_platform_data = {
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.mode = MUSB_PERIPHERAL,
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.config = &musb_config,
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.power = 100,
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.platform_ops = &omap2430_ops,
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.board_data = &musb_board_data,
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};
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void set_muxconf_regs(void)
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{
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MUX_SNIPER();
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}
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#ifdef CONFIG_SPL_BUILD
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void get_board_mem_timings(struct board_sdrc_timings *timings)
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{
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timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
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timings->ctrla = HYNIX_V_ACTIMA_200;
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timings->ctrlb = HYNIX_V_ACTIMB_200;
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timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
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timings->mr = MICRON_V_MR_165;
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}
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#endif
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int board_init(void)
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{
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/* GPMC init */
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gpmc_init();
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/* MACH number */
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gd->bd->bi_arch_number = 3000;
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/* ATAGs location */
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gd->bd->bi_boot_params = OMAP34XX_SDRC_CS0 + 0x100;
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return 0;
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}
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int misc_init_r(void)
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{
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unsigned char keypad_matrix[64] = { 0 };
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char reboot_mode[2] = { 0 };
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unsigned char keys[3];
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unsigned char data = 0;
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/* Power button reset init */
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twl4030_power_reset_init();
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/* Keypad */
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twl4030_keypad_scan((unsigned char *)&keypad_matrix);
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keys[0] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 0);
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keys[1] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 1);
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keys[2] = twl4030_keypad_key((unsigned char *)&keypad_matrix, 0, 2);
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/* Reboot mode */
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omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
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if (keys[0])
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reboot_mode[0] = 'r';
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else if (keys[1])
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reboot_mode[0] = 'b';
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if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
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if (!getenv("reboot-mode"))
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setenv("reboot-mode", (char *)reboot_mode);
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omap_reboot_mode_clear();
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} else {
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/* Reboot mode garbage may still be valid, so clear it. */
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omap_reboot_mode_clear();
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/*
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* When not rebooting, valid power on reasons are either the
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* power button, charger plug or USB plug.
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*/
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data |= twl4030_input_power_button();
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data |= twl4030_input_charger();
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data |= twl4030_input_usb();
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if (!data)
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twl4030_power_off();
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}
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/* Serial number */
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omap_die_id_serial();
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/* MUSB */
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musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
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return 0;
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}
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u32 get_board_rev(void)
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{
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/* Sold devices are expected to be at least revision F. */
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return 6;
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}
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void get_board_serial(struct tag_serialnr *serialnr)
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{
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omap_die_id_get_board_serial(serialnr);
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}
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int fb_set_reboot_flag(void)
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{
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return omap_reboot_mode_store("b");
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}
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#ifndef CONFIG_SPL_BUILD
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int board_mmc_init(bd_t *bis)
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{
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return omap_mmc_init(1, 0, 0, -1, -1);
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}
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#endif
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void board_mmc_power_init(void)
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{
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twl4030_power_mmc_init(1);
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}
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