2 * Amazon Kindle Fire (first generation) codename kc1 config
4 * Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
6 * SPDX-License-Identifier: GPL-2.0+
11 #include <linux/ctype.h>
12 #include <linux/usb/musb.h>
13 #include <asm/omap_musb.h>
14 #include <asm/arch/sys_proto.h>
15 #include <asm/arch/mmc_host_def.h>
21 DECLARE_GLOBAL_DATA_PTR;
23 const struct omap_sysinfo sysinfo = {
27 static struct musb_hdrc_config musb_config = {
34 static struct omap_musb_board_data musb_board_data = {
35 .interface_type = MUSB_INTERFACE_UTMI,
38 static struct musb_hdrc_platform_data musb_platform_data = {
39 .mode = MUSB_PERIPHERAL,
40 .config = &musb_config,
42 .platform_ops = &omap2430_ops,
43 .board_data = &musb_board_data,
47 void set_muxconf_regs(void)
49 do_set_mux((*ctrl)->control_padconf_core_base, core_padconf_array,
50 sizeof(core_padconf_array) / sizeof(struct pad_conf_entry));
53 struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs,
54 struct lpddr2_device_details *lpddr2_dev_details)
59 *lpddr2_dev_details = elpida_2G_S4_details;
61 return lpddr2_dev_details;
64 void emif_get_device_timings(u32 emif_nr,
65 const struct lpddr2_device_timings **cs0_device_timings,
66 const struct lpddr2_device_timings **cs1_device_timings)
68 *cs0_device_timings = &elpida_2G_S4_timings;
69 *cs1_device_timings = NULL;
78 gd->bd->bi_arch_number = MACH_TYPE_OMAP_4430SDP;
81 gd->bd->bi_boot_params = OMAP44XX_DRAM_ADDR_SPACE_START + 0x100;
88 char reboot_mode[2] = { 0 };
94 omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
96 /* USB ID pin pull-up indicates factory (fastboot) cable detection. */
97 gpio_request(KC1_GPIO_USB_ID, "USB_ID");
98 gpio_direction_input(KC1_GPIO_USB_ID);
99 value = gpio_get_value(KC1_GPIO_USB_ID);
102 reboot_mode[0] = 'b';
104 if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
105 if (reboot_mode[0] == 'o')
108 if (!getenv("reboot-mode"))
109 setenv("reboot-mode", (char *)reboot_mode);
111 omap_reboot_mode_clear();
113 /* Reboot mode garbage may still be valid, so clear it. */
114 omap_reboot_mode_clear();
117 * When not rebooting, valid power on reasons are either the
118 * power button, charger plug or USB plug.
121 data |= twl6030_input_power_button();
122 data |= twl6030_input_charger();
123 data |= twl6030_input_usb();
131 omap_die_id_serial();
135 musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
140 u32 get_board_rev(void)
144 gpio_request(KC1_GPIO_MBID0, "MBID0");
145 gpio_request(KC1_GPIO_MBID1, "MBID1");
146 gpio_request(KC1_GPIO_MBID2, "MBID2");
147 gpio_request(KC1_GPIO_MBID3, "MBID3");
149 gpio_direction_input(KC1_GPIO_MBID0);
150 gpio_direction_input(KC1_GPIO_MBID1);
151 gpio_direction_input(KC1_GPIO_MBID2);
152 gpio_direction_input(KC1_GPIO_MBID3);
154 value |= (gpio_get_value(KC1_GPIO_MBID0) << 0);
155 value |= (gpio_get_value(KC1_GPIO_MBID1) << 1);
156 value |= (gpio_get_value(KC1_GPIO_MBID2) << 2);
157 value |= (gpio_get_value(KC1_GPIO_MBID3) << 3);
162 void get_board_serial(struct tag_serialnr *serialnr)
164 omap_die_id_get_board_serial(serialnr);
167 int fb_set_reboot_flag(void)
169 return omap_reboot_mode_store("b");
172 #ifndef CONFIG_SPL_BUILD
173 int board_mmc_init(bd_t *bis)
175 return omap_mmc_init(1, 0, 0, -1, -1);
179 void board_mmc_power_init(void)
181 twl6030_power_mmc_init(1);