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// SPDX-License-Identifier: GPL-2.0+
/*
* Amazon Kindle Fire (first generation) codename kc1 config
*
* Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
*/
#include <config.h>
#include <common.h>
#include <env.h>
#include <fastboot.h>
#include <init.h>
#include <asm/global_data.h>
#include <linux/ctype.h>
#include <linux/usb/musb.h>
#include <asm/omap_musb.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/gpio.h>
#include <asm/emif.h>
#include <twl6030.h>
#include "kc1.h"
#include <asm/mach-types.h>
DECLARE_GLOBAL_DATA_PTR;
const struct omap_sysinfo sysinfo = {
.board_string = "kc1"
};
static struct musb_hdrc_config musb_config = {
.multipoint = 1,
.dyn_fifo = 1,
.num_eps = 16,
.ram_bits = 12
};
static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_UTMI,
};
static struct musb_hdrc_platform_data musb_platform_data = {
.mode = MUSB_PERIPHERAL,
.config = &musb_config,
.power = 100,
.platform_ops = &omap2430_ops,
.board_data = &musb_board_data,
};
void set_muxconf_regs(void)
{
do_set_mux((*ctrl)->control_padconf_core_base, core_padconf_array,
sizeof(core_padconf_array) / sizeof(struct pad_conf_entry));
}
struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs,
struct lpddr2_device_details *lpddr2_dev_details)
{
if (cs == CS1)
return NULL;
*lpddr2_dev_details = elpida_2G_S4_details;
return lpddr2_dev_details;
}
void emif_get_device_timings(u32 emif_nr,
const struct lpddr2_device_timings **cs0_device_timings,
const struct lpddr2_device_timings **cs1_device_timings)
{
*cs0_device_timings = &elpida_2G_S4_timings;
*cs1_device_timings = NULL;
}
int board_init(void)
{
/* GPMC init */
gpmc_init();
/* MACH number */
gd->bd->bi_arch_number = MACH_TYPE_OMAP_4430SDP;
/* ATAGs location */
gd->bd->bi_boot_params = OMAP44XX_DRAM_ADDR_SPACE_START + 0x100;
return 0;
}
int misc_init_r(void)
{
char reboot_mode[2] = { 0 };
u32 data = 0;
u32 value;
int rc;
/* Reboot mode */
rc = omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
/* USB ID pin pull-up indicates factory (fastboot) cable detection. */
gpio_request(KC1_GPIO_USB_ID, "USB_ID");
gpio_direction_input(KC1_GPIO_USB_ID);
value = gpio_get_value(KC1_GPIO_USB_ID);
if (value)
reboot_mode[0] = 'b';
if (rc < 0 || reboot_mode[0] == 'o') {
/*
* When not rebooting, valid power on reasons are either the
* power button, charger plug or USB plug.
*/
data |= twl6030_input_power_button();
data |= twl6030_input_charger();
data |= twl6030_input_usb();
if (!data)
twl6030_power_off();
}
if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
if (!env_get("reboot-mode"))
env_set("reboot-mode", (char *)reboot_mode);
}
omap_reboot_mode_clear();
/* Serial number */
omap_die_id_serial();
/* MUSB */
musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
return 0;
}
u32 get_board_rev(void)
{
u32 value = 0;
gpio_request(KC1_GPIO_MBID0, "MBID0");
gpio_request(KC1_GPIO_MBID1, "MBID1");
gpio_request(KC1_GPIO_MBID2, "MBID2");
gpio_request(KC1_GPIO_MBID3, "MBID3");
gpio_direction_input(KC1_GPIO_MBID0);
gpio_direction_input(KC1_GPIO_MBID1);
gpio_direction_input(KC1_GPIO_MBID2);
gpio_direction_input(KC1_GPIO_MBID3);
value |= (gpio_get_value(KC1_GPIO_MBID0) << 0);
value |= (gpio_get_value(KC1_GPIO_MBID1) << 1);
value |= (gpio_get_value(KC1_GPIO_MBID2) << 2);
value |= (gpio_get_value(KC1_GPIO_MBID3) << 3);
return value;
}
void get_board_serial(struct tag_serialnr *serialnr)
{
omap_die_id_get_board_serial(serialnr);
}
int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
{
if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
return -ENOTSUPP;
return omap_reboot_mode_store("b");
}
int board_mmc_init(struct bd_info *bis)
{
return omap_mmc_init(1, 0, 0, -1, -1);
}
void board_mmc_power_init(void)
{
twl6030_power_mmc_init(1);
}
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