mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
7c0a4b7955
This adds support for the omap4 reboot mode mechanism and exports the reboot mode via an environment variable, that is used in the boot command to make it possible to boot from the recovery partition or fastboot. Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
155 lines
3.1 KiB
C
155 lines
3.1 KiB
C
/*
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* Amazon Kindle Fire (first generation) codename kc1 config
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*
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* Copyright (C) 2016 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 <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/sys_proto.h>
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#include <asm/arch/mmc_host_def.h>
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#include <asm/gpio.h>
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#include <asm/emif.h>
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#include <twl6030.h>
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#include "kc1.h"
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DECLARE_GLOBAL_DATA_PTR;
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const struct omap_sysinfo sysinfo = {
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.board_string = "kc1"
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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_UTMI,
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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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do_set_mux((*ctrl)->control_padconf_core_base, core_padconf_array,
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sizeof(core_padconf_array) / sizeof(struct pad_conf_entry));
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}
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struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs,
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struct lpddr2_device_details *lpddr2_dev_details)
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{
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if (cs == CS1)
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return NULL;
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*lpddr2_dev_details = elpida_2G_S4_details;
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return lpddr2_dev_details;
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}
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void emif_get_device_timings(u32 emif_nr,
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const struct lpddr2_device_timings **cs0_device_timings,
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const struct lpddr2_device_timings **cs1_device_timings)
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{
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*cs0_device_timings = &elpida_2G_S4_timings;
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*cs1_device_timings = NULL;
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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 = MACH_TYPE_OMAP_4430SDP;
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/* ATAGs location */
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gd->bd->bi_boot_params = OMAP44XX_DRAM_ADDR_SPACE_START + 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 reboot_mode[2] = { 0 };
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/* Reboot mode */
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omap_reboot_mode(reboot_mode, sizeof(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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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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u32 value = 0;
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gpio_request(KC1_GPIO_MBID0, "MBID0");
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gpio_request(KC1_GPIO_MBID1, "MBID1");
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gpio_request(KC1_GPIO_MBID2, "MBID2");
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gpio_request(KC1_GPIO_MBID3, "MBID3");
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gpio_direction_input(KC1_GPIO_MBID0);
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gpio_direction_input(KC1_GPIO_MBID1);
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gpio_direction_input(KC1_GPIO_MBID2);
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gpio_direction_input(KC1_GPIO_MBID3);
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value |= (gpio_get_value(KC1_GPIO_MBID0) << 0);
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value |= (gpio_get_value(KC1_GPIO_MBID1) << 1);
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value |= (gpio_get_value(KC1_GPIO_MBID2) << 2);
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value |= (gpio_get_value(KC1_GPIO_MBID3) << 3);
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return value;
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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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twl6030_power_mmc_init(1);
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}
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