[thirdparty/u-boot.git] / board / kosagi / novena / novena.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Novena board support
 *
 * Copyright (C) 2014 Marek Vasut <marex@denx.de>
 */

#include <common.h>
#include <linux/errno.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/boot_mode.h>
#include <asm/mach-imx/iomux-v3.h>
#include <asm/mach-imx/mxc_i2c.h>
#include <asm/mach-imx/sata.h>
#include <asm/mach-imx/video.h>
#include <environment.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include <input.h>
#include <ipu_pixfmt.h>
#include <linux/fb.h>
#include <linux/input.h>
#include <malloc.h>
#include <micrel.h>
#include <miiphy.h>
#include <mmc.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
#include <stdio_dev.h>

#include "novena.h"

DECLARE_GLOBAL_DATA_PTR;

/*
 * GPIO button
 */
#ifdef CONFIG_KEYBOARD
static struct input_config button_input;

static int novena_gpio_button_read_keys(struct input_config *input)
{
	int key = KEY_ENTER;
	if (gpio_get_value(NOVENA_BUTTON_GPIO))
		return 0;
	input_send_keycodes(&button_input, &key, 1);
	return 1;
}

static int novena_gpio_button_getc(struct stdio_dev *dev)
{
	return input_getc(&button_input);
}

static int novena_gpio_button_tstc(struct stdio_dev *dev)
{
	return input_tstc(&button_input);
}

static int novena_gpio_button_init(struct stdio_dev *dev)
{
	gpio_direction_input(NOVENA_BUTTON_GPIO);
	input_set_delays(&button_input, 250, 250);
	return 0;
}

int drv_keyboard_init(void)
{
	int error;
	struct stdio_dev dev = {
		.name	= "button",
		.flags	= DEV_FLAGS_INPUT,
		.start	= novena_gpio_button_init,
		.getc	= novena_gpio_button_getc,
		.tstc	= novena_gpio_button_tstc,
	};

	gpio_request(NOVENA_BUTTON_GPIO, "button");

	error = input_init(&button_input, 0);
	if (error) {
		debug("%s: Cannot set up input\n", __func__);
		return -1;
	}
	input_add_tables(&button_input, false);
	button_input.read_keys = novena_gpio_button_read_keys;

	error = input_stdio_register(&dev);
	if (error)
		return error;

	return 0;
}
#endif

/*
 * SDHC
 */
#ifdef CONFIG_FSL_ESDHC
static struct fsl_esdhc_cfg usdhc_cfg[] = {
	{ USDHC3_BASE_ADDR, 0, 4 },	/* Micro SD */
	{ USDHC2_BASE_ADDR, 0, 4 },	/* Big SD */
};

int board_mmc_getcd(struct mmc *mmc)
{
	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;

	/* There is no CD for a microSD card, assume always present. */
	if (cfg->esdhc_base == USDHC3_BASE_ADDR)
		return 1;
	else
		return !gpio_get_value(NOVENA_SD_CD);
}

int board_mmc_getwp(struct mmc *mmc)
{
	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;

	/* There is no WP for a microSD card, assume always read-write. */
	if (cfg->esdhc_base == USDHC3_BASE_ADDR)
		return 0;
	else
		return gpio_get_value(NOVENA_SD_WP);
}


int board_mmc_init(bd_t *bis)
{
	s32 status = 0;
	int index;

	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
	usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);

	/* Big SD write-protect and card-detect */
	gpio_direction_input(NOVENA_SD_WP);
	gpio_direction_input(NOVENA_SD_CD);

	for (index = 0; index < ARRAY_SIZE(usdhc_cfg); index++) {
		status = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
		if (status)
			return status;
	}

	return status;
}
#endif

int board_early_init_f(void)
{
#if defined(CONFIG_VIDEO_IPUV3)
	setup_display_clock();
#endif

	return 0;
}

int board_init(void)
{
	/* address of boot parameters */
	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;

#ifdef CONFIG_SATA
	setup_sata();
#endif

	return 0;
}

int board_late_init(void)
{
#if defined(CONFIG_VIDEO_IPUV3)
	setup_display_lvds();
#endif
	return 0;
}

int checkboard(void)
{
	puts("Board: Novena 4x\n");
	return 0;
}

int dram_init(void)
{
	gd->ram_size = imx_ddr_size();
	return 0;
}

/* setup board specific PMIC */
int power_init_board(void)
{
	struct pmic *p;
	u32 reg;
	int ret;

	power_pfuze100_init(1);
	p = pmic_get("PFUZE100");
	if (!p)
		return -EINVAL;

	ret = pmic_probe(p);
	if (ret)
		return ret;

	pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
	printf("PMIC:  PFUZE100 ID=0x%02x\n", reg);

	/* Set SWBST to 5.0V and enable (for USB) */
	pmic_reg_read(p, PFUZE100_SWBSTCON1, &reg);
	reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK);
	reg |= (SWBST_5_00V | (SWBST_MODE_AUTO << SWBST_MODE_SHIFT));
	pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);

	return 0;
}

/* EEPROM configuration data */
struct novena_eeprom_data {
	uint8_t		signature[6];
	uint8_t		version;
	uint8_t		reserved;
	uint32_t	serial;
	uint8_t		mac[6];
	uint16_t	features;
};

int misc_init_r(void)
{
	struct novena_eeprom_data data;
	uchar *datap = (uchar *)&data;
	const char *signature = "Novena";
	int ret;

	/* If 'ethaddr' is already set, do nothing. */
	if (env_get("ethaddr"))
		return 0;

	/* EEPROM is at bus 2. */
	ret = i2c_set_bus_num(2);
	if (ret) {
		puts("Cannot select EEPROM I2C bus.\n");
		return 0;
	}

	/* EEPROM is at address 0x56. */
	ret = eeprom_read(0x56, 0, datap, sizeof(data));
	if (ret) {
		puts("Cannot read I2C EEPROM.\n");
		return 0;
	}

	/* Check EEPROM signature. */
	if (memcmp(data.signature, signature, 6)) {
		puts("Invalid I2C EEPROM signature.\n");
		return 0;
	}

	/* Set ethernet address from EEPROM. */
	eth_env_set_enetaddr("ethaddr", data.mac);

	return ret;
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
f91c09ac MV	2	/*
	3	* Novena board support
	4	*
	5	* Copyright (C) 2014 Marek Vasut <marex@denx.de>
f91c09ac MV	6	*/
	7
	8	#include <common.h>
1221ce45	9	#include <linux/errno.h>
f91c09ac MV	10	#include <asm/gpio.h>
	11	#include <asm/io.h>
	12	#include <asm/arch/clock.h>
	13	#include <asm/arch/crm_regs.h>
	14	#include <asm/arch/imx-regs.h>
	15	#include <asm/arch/iomux.h>
	16	#include <asm/arch/mxc_hdmi.h>
	17	#include <asm/arch/sys_proto.h>
552a848e SB	18	#include <asm/mach-imx/boot_mode.h>
	19	#include <asm/mach-imx/iomux-v3.h>
	20	#include <asm/mach-imx/mxc_i2c.h>
	21	#include <asm/mach-imx/sata.h>
	22	#include <asm/mach-imx/video.h>
9925f1db	23	#include <environment.h>
f91c09ac MV	24	#include <fsl_esdhc.h>
	25	#include <i2c.h>
	26	#include <input.h>
	27	#include <ipu_pixfmt.h>
	28	#include <linux/fb.h>
	29	#include <linux/input.h>
	30	#include <malloc.h>
	31	#include <micrel.h>
	32	#include <miiphy.h>
	33	#include <mmc.h>
	34	#include <netdev.h>
	35	#include <power/pmic.h>
	36	#include <power/pfuze100_pmic.h>
	37	#include <stdio_dev.h>
	38
d59d7b91	39	#include "novena.h"
f91c09ac	40
d59d7b91	41	DECLARE_GLOBAL_DATA_PTR;
f91c09ac MV	42
	43	/*
	44	* GPIO button
	45	*/
	46	#ifdef CONFIG_KEYBOARD
	47	static struct input_config button_input;
	48
	49	static int novena_gpio_button_read_keys(struct input_config *input)
	50	{
	51	int key = KEY_ENTER;
	52	if (gpio_get_value(NOVENA_BUTTON_GPIO))
	53	return 0;
	54	input_send_keycodes(&button_input, &key, 1);
	55	return 1;
	56	}
	57
	58	static int novena_gpio_button_getc(struct stdio_dev *dev)
	59	{
	60	return input_getc(&button_input);
	61	}
	62
	63	static int novena_gpio_button_tstc(struct stdio_dev *dev)
	64	{
	65	return input_tstc(&button_input);
	66	}
	67
	68	static int novena_gpio_button_init(struct stdio_dev *dev)
	69	{
	70	gpio_direction_input(NOVENA_BUTTON_GPIO);
	71	input_set_delays(&button_input, 250, 250);
	72	return 0;
	73	}
	74
	75	int drv_keyboard_init(void)
	76	{
	77	int error;
	78	struct stdio_dev dev = {
	79	.name = "button",
1caf934a	80	.flags = DEV_FLAGS_INPUT,
f91c09ac MV	81	.start = novena_gpio_button_init,
	82	.getc = novena_gpio_button_getc,
	83	.tstc = novena_gpio_button_tstc,
	84	};
	85
c4e93f6a MV	86	gpio_request(NOVENA_BUTTON_GPIO, "button");
c4e93f6a MV	87
f91c09ac MV	88	error = input_init(&button_input, 0);
	89	if (error) {
	90	debug("%s: Cannot set up input\n", __func__);
	91	return -1;
	92	}
b1d7a187	93	input_add_tables(&button_input, false);
f91c09ac MV	94	button_input.read_keys = novena_gpio_button_read_keys;
	95
	96	error = input_stdio_register(&dev);
	97	if (error)
	98	return error;
	99
	100	return 0;
	101	}
	102	#endif
	103
	104	/*
	105	* SDHC
	106	*/
	107	#ifdef CONFIG_FSL_ESDHC
	108	static struct fsl_esdhc_cfg usdhc_cfg[] = {
	109	{ USDHC3_BASE_ADDR, 0, 4 }, /* Micro SD */
	110	{ USDHC2_BASE_ADDR, 0, 4 }, /* Big SD */
	111	};
	112
	113	int board_mmc_getcd(struct mmc *mmc)
	114	{
	115	struct fsl_esdhc_cfg cfg = (struct fsl_esdhc_cfg )mmc->priv;
	116
	117	/* There is no CD for a microSD card, assume always present. */
	118	if (cfg->esdhc_base == USDHC3_BASE_ADDR)
	119	return 1;
	120	else
	121	return !gpio_get_value(NOVENA_SD_CD);
	122	}
	123
	124	int board_mmc_getwp(struct mmc *mmc)
	125	{
	126	struct fsl_esdhc_cfg cfg = (struct fsl_esdhc_cfg )mmc->priv;
	127
	128	/* There is no WP for a microSD card, assume always read-write. */
	129	if (cfg->esdhc_base == USDHC3_BASE_ADDR)
	130	return 0;
	131	else
	132	return gpio_get_value(NOVENA_SD_WP);
	133	}
	134
	135
	136	int board_mmc_init(bd_t *bis)
	137	{
	138	s32 status = 0;
	139	int index;
	140
	141	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
	142	usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
	143
	144	/* Big SD write-protect and card-detect */
	145	gpio_direction_input(NOVENA_SD_WP);
	146	gpio_direction_input(NOVENA_SD_CD);
	147
	148	for (index = 0; index < ARRAY_SIZE(usdhc_cfg); index++) {
	149	status = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
	150	if (status)
	151	return status;
	152	}
	153
	154	return status;
	155	}
	156	#endif
	157
f91c09ac MV	158	int board_early_init_f(void)
	159	{
	160	#if defined(CONFIG_VIDEO_IPUV3)
f2e4d6a5	161	setup_display_clock();
f91c09ac MV	162	#endif
f91c09ac MV	163
f91c09ac MV	164	return 0;
	165	}
	166
	167	int board_init(void)
	168	{
	169	/* address of boot parameters */
	170	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
	171
10e40d54	172	#ifdef CONFIG_SATA
f91c09ac MV	173	setup_sata();
	174	#endif
	175
	176	return 0;
	177	}
	178
331ae846 MV	179	int board_late_init(void)
	180	{
	181	#if defined(CONFIG_VIDEO_IPUV3)
	182	setup_display_lvds();
	183	#endif
	184	return 0;
	185	}
	186
f91c09ac MV	187	int checkboard(void)
	188	{
	189	puts("Board: Novena 4x\n");
	190	return 0;
	191	}
	192
	193	int dram_init(void)
	194	{
	195	gd->ram_size = imx_ddr_size();
	196	return 0;
	197	}
	198
	199	/* setup board specific PMIC */
	200	int power_init_board(void)
	201	{
	202	struct pmic *p;
	203	u32 reg;
	204	int ret;
	205
	206	power_pfuze100_init(1);
	207	p = pmic_get("PFUZE100");
	208	if (!p)
	209	return -EINVAL;
	210
	211	ret = pmic_probe(p);
	212	if (ret)
	213	return ret;
	214
	215	pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
	216	printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
	217
	218	/* Set SWBST to 5.0V and enable (for USB) */
	219	pmic_reg_read(p, PFUZE100_SWBSTCON1, &reg);
	220	reg &= ~(SWBST_MODE_MASK \| SWBST_VOL_MASK);
18e02ffe	221	reg \|= (SWBST_5_00V \| (SWBST_MODE_AUTO << SWBST_MODE_SHIFT));
f91c09ac MV	222	pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);
	223
	224	return 0;
	225	}
	226
	227	/* EEPROM configuration data */
	228	struct novena_eeprom_data {
	229	uint8_t signature[6];
	230	uint8_t version;
	231	uint8_t reserved;
	232	uint32_t serial;
	233	uint8_t mac[6];
	234	uint16_t features;
	235	};
	236
	237	int misc_init_r(void)
	238	{
	239	struct novena_eeprom_data data;
	240	uchar datap = (uchar )&data;
	241	const char *signature = "Novena";
	242	int ret;
	243
	244	/* If 'ethaddr' is already set, do nothing. */
00caae6d	245	if (env_get("ethaddr"))
f91c09ac MV	246	return 0;
	247
	248	/* EEPROM is at bus 2. */
	249	ret = i2c_set_bus_num(2);
	250	if (ret) {
	251	puts("Cannot select EEPROM I2C bus.\n");
	252	return 0;
	253	}
	254
	255	/* EEPROM is at address 0x56. */
	256	ret = eeprom_read(0x56, 0, datap, sizeof(data));
	257	if (ret) {
	258	puts("Cannot read I2C EEPROM.\n");
	259	return 0;
	260	}
	261
	262	/* Check EEPROM signature. */
	263	if (memcmp(data.signature, signature, 6)) {
	264	puts("Invalid I2C EEPROM signature.\n");
	265	return 0;
	266	}
	267
	268	/* Set ethernet address from EEPROM. */
fd1e959e	269	eth_env_set_enetaddr("ethaddr", data.mac);
f91c09ac MV	270
	271	return ret;
	272	}