mirror of
https://github.com/AsahiLinux/u-boot
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169ecb4a83
The OMAP3 has some die-specific ID bits that we can use to give the device a (more or less) unique serial number. This is particularly useful for e.g. USB. Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
116 lines
2.1 KiB
C
116 lines
2.1 KiB
C
/*
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* LG Optimus Black (P970) 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 <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 = "serial_omap",
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.platdata = &serial_omap_platdata
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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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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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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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char serial_string[17] = { 0 };
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char reboot_mode[2] = { 0 };
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u32 dieid[4] = { 0 };
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/* Reboot mode */
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reboot_mode[0] = omap_reboot_mode();
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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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}
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/* Serial number */
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get_dieid((u32 *)&dieid);
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if (!getenv("serial#")) {
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snprintf(serial_string, sizeof(serial_string),
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"%08x%08x", dieid[0], dieid[3]);
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setenv("serial#", serial_string);
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}
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return 0;
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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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#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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