178 lines
3.7 KiB
C
178 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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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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#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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#include <asm/mach-types.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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u32 data = 0;
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u32 value;
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int rc;
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/* Reboot mode */
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rc = omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
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/* USB ID pin pull-up indicates factory (fastboot) cable detection. */
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gpio_request(KC1_GPIO_USB_ID, "USB_ID");
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gpio_direction_input(KC1_GPIO_USB_ID);
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value = gpio_get_value(KC1_GPIO_USB_ID);
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if (value)
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reboot_mode[0] = 'b';
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if (rc < 0 || reboot_mode[0] == 'o') {
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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 |= twl6030_input_power_button();
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data |= twl6030_input_charger();
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data |= twl6030_input_usb();
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if (!data)
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twl6030_power_off();
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}
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if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
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if (!env_get("reboot-mode"))
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env_set("reboot-mode", (char *)reboot_mode);
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}
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omap_reboot_mode_clear();
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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 fastboot_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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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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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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