[people/ms/u-boot.git] / board / amazon / kc1 / kc1.c

/*
 * Amazon Kindle Fire (first generation) codename kc1 config
 *
 * Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <config.h>
#include <common.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 fb_set_reboot_flag(void)
{
	return omap_reboot_mode_store("b");
}

int board_mmc_init(bd_t *bis)
{
	return omap_mmc_init(1, 0, 0, -1, -1);
}

void board_mmc_power_init(void)
{
	twl6030_power_mmc_init(1);
}
Commit	Line	Data
ae51b570 PK	1	/*
	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>
e66782e6 PK	11	#include <linux/ctype.h>
	12	#include <linux/usb/musb.h>
	13	#include <asm/omap_musb.h>
ae51b570 PK	14	#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"
c62db35d	20	#include <asm/mach-types.h>
ae51b570 PK	21
	22	DECLARE_GLOBAL_DATA_PTR;
	23
	24	const struct omap_sysinfo sysinfo = {
	25	.board_string = "kc1"
	26	};
	27
e66782e6 PK	28	static struct musb_hdrc_config musb_config = {
	29	.multipoint = 1,
	30	.dyn_fifo = 1,
	31	.num_eps = 16,
	32	.ram_bits = 12
	33	};
	34
	35	static struct omap_musb_board_data musb_board_data = {
	36	.interface_type = MUSB_INTERFACE_UTMI,
	37	};
	38
	39	static struct musb_hdrc_platform_data musb_platform_data = {
	40	.mode = MUSB_PERIPHERAL,
	41	.config = &musb_config,
	42	.power = 100,
	43	.platform_ops = &omap2430_ops,
	44	.board_data = &musb_board_data,
	45	};
	46
	47
ae51b570 PK	48	void set_muxconf_regs(void)
	49	{
	50	do_set_mux((*ctrl)->control_padconf_core_base, core_padconf_array,
	51	sizeof(core_padconf_array) / sizeof(struct pad_conf_entry));
	52	}
	53
	54	struct lpddr2_device_details *emif_get_device_details(u32 emif_nr, u8 cs,
	55	struct lpddr2_device_details *lpddr2_dev_details)
	56	{
	57	if (cs == CS1)
	58	return NULL;
	59
	60	*lpddr2_dev_details = elpida_2G_S4_details;
	61
	62	return lpddr2_dev_details;
	63	}
	64
	65	void emif_get_device_timings(u32 emif_nr,
	66	const struct lpddr2_device_timings **cs0_device_timings,
	67	const struct lpddr2_device_timings **cs1_device_timings)
	68	{
	69	*cs0_device_timings = &elpida_2G_S4_timings;
	70	*cs1_device_timings = NULL;
	71	}
	72
	73	int board_init(void)
	74	{
	75	/* GPMC init */
	76	gpmc_init();
	77
	78	/* MACH number */
	79	gd->bd->bi_arch_number = MACH_TYPE_OMAP_4430SDP;
	80
	81	/* ATAGs location */
	82	gd->bd->bi_boot_params = OMAP44XX_DRAM_ADDR_SPACE_START + 0x100;
	83
	84	return 0;
	85	}
	86
	87	int misc_init_r(void)
	88	{
7c0a4b79	89	char reboot_mode[2] = { 0 };
ee85a415	90	u32 data = 0;
bd55eedc	91	u32 value;
523849a0	92	int rc;
7c0a4b79 PK	93
	94	/* Reboot mode */
	95
523849a0	96	rc = omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
7c0a4b79	97
bd55eedc PK	98	/* USB ID pin pull-up indicates factory (fastboot) cable detection. */
	99	gpio_request(KC1_GPIO_USB_ID, "USB_ID");
	100	gpio_direction_input(KC1_GPIO_USB_ID);
	101	value = gpio_get_value(KC1_GPIO_USB_ID);
	102
	103	if (value)
	104	reboot_mode[0] = 'b';
	105
523849a0	106	if (rc < 0 \|\| reboot_mode[0] == 'o') {
ee85a415 PK	107	/*
	108	* When not rebooting, valid power on reasons are either the
	109	* power button, charger plug or USB plug.
	110	*/
	111
	112	data \|= twl6030_input_power_button();
	113	data \|= twl6030_input_charger();
	114	data \|= twl6030_input_usb();
	115
	116	if (!data)
	117	twl6030_power_off();
7c0a4b79 PK	118	}
7c0a4b79 PK	119
523849a0	120	if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) {
00caae6d	121	if (!env_get("reboot-mode"))
382bee57	122	env_set("reboot-mode", (char *)reboot_mode);
523849a0 PK	123	}
	124
	125	omap_reboot_mode_clear();
	126
ae51b570 PK	127	/* Serial number */
	128
	129	omap_die_id_serial();
	130
e66782e6 PK	131	/* MUSB */
	132
	133	musb_register(&musb_platform_data, &musb_board_data, (void *)MUSB_BASE);
	134
ae51b570 PK	135	return 0;
	136	}
	137
	138	u32 get_board_rev(void)
	139	{
	140	u32 value = 0;
	141
	142	gpio_request(KC1_GPIO_MBID0, "MBID0");
	143	gpio_request(KC1_GPIO_MBID1, "MBID1");
	144	gpio_request(KC1_GPIO_MBID2, "MBID2");
	145	gpio_request(KC1_GPIO_MBID3, "MBID3");
	146
	147	gpio_direction_input(KC1_GPIO_MBID0);
	148	gpio_direction_input(KC1_GPIO_MBID1);
	149	gpio_direction_input(KC1_GPIO_MBID2);
	150	gpio_direction_input(KC1_GPIO_MBID3);
	151
	152	value \|= (gpio_get_value(KC1_GPIO_MBID0) << 0);
	153	value \|= (gpio_get_value(KC1_GPIO_MBID1) << 1);
	154	value \|= (gpio_get_value(KC1_GPIO_MBID2) << 2);
	155	value \|= (gpio_get_value(KC1_GPIO_MBID3) << 3);
	156
	157	return value;
	158	}
	159
	160	void get_board_serial(struct tag_serialnr *serialnr)
	161	{
	162	omap_die_id_get_board_serial(serialnr);
	163	}
	164
7c0a4b79 PK	165	int fb_set_reboot_flag(void)
	166	{
	167	return omap_reboot_mode_store("b");
	168	}
	169
ae51b570 PK	170	int board_mmc_init(bd_t *bis)
	171	{
	172	return omap_mmc_init(1, 0, 0, -1, -1);
	173	}
ae51b570 PK	174
	175	void board_mmc_power_init(void)
	176	{
	177	twl6030_power_mmc_init(1);
	178	}