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Paul Kocialkowskiae51b572016-02-27 19:19:00 +01001/*
2 * Amazon Kindle Fire (first generation) codename kc1 config
3 *
4 * Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9#include <config.h>
10#include <common.h>
Paul Kocialkowskie66782e2016-02-27 19:19:06 +010011#include <linux/ctype.h>
12#include <linux/usb/musb.h>
13#include <asm/omap_musb.h>
Paul Kocialkowskiae51b572016-02-27 19:19:00 +010014#include <asm/arch/sys_proto.h>
15#include <asm/arch/mmc_host_def.h>
16#include <asm/gpio.h>
17#include <asm/emif.h>
18#include <twl6030.h>
19#include "kc1.h"
20
21DECLARE_GLOBAL_DATA_PTR;
22
23const struct omap_sysinfo sysinfo = {
24 .board_string = "kc1"
25};
26
Paul Kocialkowskie66782e2016-02-27 19:19:06 +010027static struct musb_hdrc_config musb_config = {
28 .multipoint = 1,
29 .dyn_fifo = 1,
30 .num_eps = 16,
31 .ram_bits = 12
32};
33
34static struct omap_musb_board_data musb_board_data = {
35 .interface_type = MUSB_INTERFACE_UTMI,
36};
37
38static struct musb_hdrc_platform_data musb_platform_data = {
39 .mode = MUSB_PERIPHERAL,
40 .config = &musb_config,
41 .power = 100,
42 .platform_ops = &omap2430_ops,
43 .board_data = &musb_board_data,
44};
45
46
Paul Kocialkowskiae51b572016-02-27 19:19:00 +010047void set_muxconf_regs(void)
48{
49 do_set_mux((*ctrl)->control_padconf_core_base, core_padconf_array,
50 sizeof(core_padconf_array) / sizeof(struct pad_conf_entry));
51}
52
53struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs,
54 struct lpddr2_device_details *lpddr2_dev_details)
55{
56 if (cs == CS1)
57 return NULL;
58
59 *lpddr2_dev_details = elpida_2G_S4_details;
60
61 return lpddr2_dev_details;
62}
63
64void 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)
67{
68 *cs0_device_timings = &elpida_2G_S4_timings;
69 *cs1_device_timings = NULL;
70}
71
72int board_init(void)
73{
74 /* GPMC init */
75 gpmc_init();
76
77 /* MACH number */
78 gd->bd->bi_arch_number = MACH_TYPE_OMAP_4430SDP;
79
80 /* ATAGs location */
81 gd->bd->bi_boot_params = OMAP44XX_DRAM_ADDR_SPACE_START + 0x100;
82
83 return 0;
84}
85
86int misc_init_r(void)
87{
Paul Kocialkowski7c0a4b72016-02-27 19:19:09 +010088 char reboot_mode[2] = { 0 };
Paul Kocialkowskiee85a412016-02-27 19:19:14 +010089 u32 data = 0;
Paul Kocialkowskibd55eed2016-02-27 19:19:10 +010090 u32 value;
Paul Kocialkowski523849a2016-03-29 14:16:26 +020091 int rc;
Paul Kocialkowski7c0a4b72016-02-27 19:19:09 +010092
93 /* Reboot mode */
94
Paul Kocialkowski523849a2016-03-29 14:16:26 +020095 rc = omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
Paul Kocialkowski7c0a4b72016-02-27 19:19:09 +010096
Paul Kocialkowskibd55eed2016-02-27 19:19:10 +010097 /* USB ID pin pull-up indicates factory (fastboot) cable detection. */
98 gpio_request(KC1_GPIO_USB_ID, "USB_ID");
99 gpio_direction_input(KC1_GPIO_USB_ID);
100 value = gpio_get_value(KC1_GPIO_USB_ID);
101
102 if (value)
103 reboot_mode[0] = 'b';
104
Paul Kocialkowski523849a2016-03-29 14:16:26 +0200105 if (rc < 0 || reboot_mode[0] == 'o') {
Paul Kocialkowskiee85a412016-02-27 19:19:14 +0100106 /*
107 * When not rebooting, valid power on reasons are either the
108 * power button, charger plug or USB plug.
109 */
110
111 data |= twl6030_input_power_button();
112 data |= twl6030_input_charger();
113 data |= twl6030_input_usb();
114
115 if (!data)
116 twl6030_power_off();
Paul Kocialkowski7c0a4b72016-02-27 19:19:09 +0100117 }
118
Paul Kocialkowski523849a2016-03-29 14:16:26 +0200119 if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
120 if (!getenv("reboot-mode"))
121 setenv("reboot-mode", (char *)reboot_mode);
122 }
123
124 omap_reboot_mode_clear();
125
Paul Kocialkowskiae51b572016-02-27 19:19:00 +0100126 /* Serial number */
127
128 omap_die_id_serial();
129
Paul Kocialkowskie66782e2016-02-27 19:19:06 +0100130 /* MUSB */
131
132 musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
133
Paul Kocialkowskiae51b572016-02-27 19:19:00 +0100134 return 0;
135}
136
137u32 get_board_rev(void)
138{
139 u32 value = 0;
140
141 gpio_request(KC1_GPIO_MBID0, "MBID0");
142 gpio_request(KC1_GPIO_MBID1, "MBID1");
143 gpio_request(KC1_GPIO_MBID2, "MBID2");
144 gpio_request(KC1_GPIO_MBID3, "MBID3");
145
146 gpio_direction_input(KC1_GPIO_MBID0);
147 gpio_direction_input(KC1_GPIO_MBID1);
148 gpio_direction_input(KC1_GPIO_MBID2);
149 gpio_direction_input(KC1_GPIO_MBID3);
150
151 value |= (gpio_get_value(KC1_GPIO_MBID0) << 0);
152 value |= (gpio_get_value(KC1_GPIO_MBID1) << 1);
153 value |= (gpio_get_value(KC1_GPIO_MBID2) << 2);
154 value |= (gpio_get_value(KC1_GPIO_MBID3) << 3);
155
156 return value;
157}
158
159void get_board_serial(struct tag_serialnr *serialnr)
160{
161 omap_die_id_get_board_serial(serialnr);
162}
163
Paul Kocialkowski7c0a4b72016-02-27 19:19:09 +0100164int fb_set_reboot_flag(void)
165{
166 return omap_reboot_mode_store("b");
167}
168
Paul Kocialkowskiae51b572016-02-27 19:19:00 +0100169int board_mmc_init(bd_t *bis)
170{
171 return omap_mmc_init(1, 0, 0, -1, -1);
172}
Paul Kocialkowskiae51b572016-02-27 19:19:00 +0100173
174void board_mmc_power_init(void)
175{
176 twl6030_power_mmc_init(1);
177}