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

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

#include <common.h>
#include <asm/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/imx-common/boot_mode.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/sata.h>
#include <asm/imx-common/video.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>

DECLARE_GLOBAL_DATA_PTR;

#define NOVENA_BUTTON_GPIO	IMX_GPIO_NR(4, 14)
#define NOVENA_SD_WP		IMX_GPIO_NR(1, 2)
#define NOVENA_SD_CD		IMX_GPIO_NR(1, 4)

/*
 * 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 | DEV_FLAGS_SYSTEM,
		.start	= novena_gpio_button_init,
		.getc	= novena_gpio_button_getc,
		.tstc	= novena_gpio_button_tstc,
	};

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

/*
 * Video over HDMI
 */
#if defined(CONFIG_VIDEO_IPUV3)
static void enable_hdmi(struct display_info_t const *dev)
{
	imx_enable_hdmi_phy();
}

struct display_info_t const displays[] = {
	{
		/* HDMI Output */
		.bus	= -1,
		.addr	= 0,
		.pixfmt	= IPU_PIX_FMT_RGB24,
		.detect	= detect_hdmi,
		.enable	= enable_hdmi,
		.mode	= {
			.name           = "HDMI",
			.refresh        = 60,
			.xres           = 1024,
			.yres           = 768,
			.pixclock       = 15385,
			.left_margin    = 220,
			.right_margin   = 40,
			.upper_margin   = 21,
			.lower_margin   = 7,
			.hsync_len      = 60,
			.vsync_len      = 10,
			.sync           = FB_SYNC_EXT,
			.vmode          = FB_VMODE_NONINTERLACED
		}
	}
};

size_t display_count = ARRAY_SIZE(displays);

static void setup_display(void)
{
	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;

	enable_ipu_clock();
	imx_setup_hdmi();

	/* Turn on LDB0,IPU,IPU DI0 clocks */
	setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);

	/* set LDB0, LDB1 clk select to 011/011 */
	clrsetbits_le32(&mxc_ccm->cs2cdr,
			MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK |
			MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK,
			(3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) |
			(3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET));

	setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);

	setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 <<
		     MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);

	writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
	       IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |
	       IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
	       IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
	       IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT |
	       IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
	       IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
	       IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED |
	       IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
	       &iomux->gpr[2]);

	clrsetbits_le32(&iomux->gpr[3], IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
			IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
			IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
}
#endif

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

	/* Bring Ethernet PHY out of reset. */
	gpio_set_value(IMX_GPIO_NR(3, 23), 1);

	return 0;
}

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

#ifdef CONFIG_CMD_SATA
	setup_sata();
#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);
	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 (getenv("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_setenv_enetaddr("ethaddr", data.mac);

	return ret;
}
Commit	Line	Data
f91c09ac MV	1	/*
	2	* Novena board support
	3	*
	4	* Copyright (C) 2014 Marek Vasut <marex@denx.de>
	5	*
	6	* SPDX-License-Identifier: GPL-2.0+
	7	*/
	8
	9	#include <common.h>
	10	#include <asm/errno.h>
	11	#include <asm/gpio.h>
	12	#include <asm/io.h>
	13	#include <asm/arch/clock.h>
	14	#include <asm/arch/crm_regs.h>
	15	#include <asm/arch/imx-regs.h>
	16	#include <asm/arch/iomux.h>
	17	#include <asm/arch/mxc_hdmi.h>
	18	#include <asm/arch/sys_proto.h>
	19	#include <asm/imx-common/boot_mode.h>
	20	#include <asm/imx-common/iomux-v3.h>
	21	#include <asm/imx-common/mxc_i2c.h>
	22	#include <asm/imx-common/sata.h>
	23	#include <asm/imx-common/video.h>
	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
	39	DECLARE_GLOBAL_DATA_PTR;
	40
	41	#define NOVENA_BUTTON_GPIO IMX_GPIO_NR(4, 14)
	42	#define NOVENA_SD_WP IMX_GPIO_NR(1, 2)
	43	#define NOVENA_SD_CD IMX_GPIO_NR(1, 4)
	44
	45	/*
	46	* GPIO button
	47	*/
	48	#ifdef CONFIG_KEYBOARD
	49	static struct input_config button_input;
	50
	51	static int novena_gpio_button_read_keys(struct input_config *input)
	52	{
	53	int key = KEY_ENTER;
	54	if (gpio_get_value(NOVENA_BUTTON_GPIO))
	55	return 0;
	56	input_send_keycodes(&button_input, &key, 1);
	57	return 1;
	58	}
	59
	60	static int novena_gpio_button_getc(struct stdio_dev *dev)
	61	{
	62	return input_getc(&button_input);
	63	}
	64
65	static int novena_gpio_button_tstc(struct stdio_dev *dev)
66	{
67	return input_tstc(&button_input);
68	}
69
70	static int novena_gpio_button_init(struct stdio_dev *dev)
71	{
72	gpio_direction_input(NOVENA_BUTTON_GPIO);
73	input_set_delays(&button_input, 250, 250);
74	return 0;
75	}
76
77	int drv_keyboard_init(void)
78	{
79	int error;
80	struct stdio_dev dev = {
81	.name = "button",
82	.flags = DEV_FLAGS_INPUT \| DEV_FLAGS_SYSTEM,
83	.start = novena_gpio_button_init,
84	.getc = novena_gpio_button_getc,
85	.tstc = novena_gpio_button_tstc,
86	};
87
88	error = input_init(&button_input, 0);
89	if (error) {
90	debug("%s: Cannot set up input\n", __func__);
91	return -1;
92	}
93	button_input.read_keys = novena_gpio_button_read_keys;
94
95	error = input_stdio_register(&dev);
96	if (error)
97	return error;
98
99	return 0;
100	}
101	#endif
102
103	/*
104	* SDHC
105	*/
106	#ifdef CONFIG_FSL_ESDHC
107	static struct fsl_esdhc_cfg usdhc_cfg[] = {
108	{ USDHC3_BASE_ADDR, 0, 4 }, /* Micro SD */
109	{ USDHC2_BASE_ADDR, 0, 4 }, /* Big SD */
110	};
111
112	int board_mmc_getcd(struct mmc *mmc)
113	{
114	struct fsl_esdhc_cfg cfg = (struct fsl_esdhc_cfg )mmc->priv;
115
116	/* There is no CD for a microSD card, assume always present. */
117	if (cfg->esdhc_base == USDHC3_BASE_ADDR)
118	return 1;
119	else
120	return !gpio_get_value(NOVENA_SD_CD);
121	}
122
123	int board_mmc_getwp(struct mmc *mmc)
124	{
125	struct fsl_esdhc_cfg cfg = (struct fsl_esdhc_cfg )mmc->priv;
126
127	/* There is no WP for a microSD card, assume always read-write. */
128	if (cfg->esdhc_base == USDHC3_BASE_ADDR)
129	return 0;
130	else
131	return gpio_get_value(NOVENA_SD_WP);
132	}
133
134
135	int board_mmc_init(bd_t *bis)
136	{
137	s32 status = 0;
138	int index;
139
140	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
141	usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
142
143	/* Big SD write-protect and card-detect */
144	gpio_direction_input(NOVENA_SD_WP);
145	gpio_direction_input(NOVENA_SD_CD);
146
147	for (index = 0; index < ARRAY_SIZE(usdhc_cfg); index++) {
148	status = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
149	if (status)
150	return status;
151	}
152
153	return status;
154	}
155	#endif
156
157	/*
158	* Video over HDMI
159	*/
160	#if defined(CONFIG_VIDEO_IPUV3)
161	static void enable_hdmi(struct display_info_t const *dev)
162	{
163	imx_enable_hdmi_phy();
164	}
165
166	struct display_info_t const displays[] = {
167	{
168	/* HDMI Output */
169	.bus = -1,
170	.addr = 0,
171	.pixfmt = IPU_PIX_FMT_RGB24,
172	.detect = detect_hdmi,
173	.enable = enable_hdmi,
174	.mode = {
175	.name = "HDMI",
176	.refresh = 60,
177	.xres = 1024,
178	.yres = 768,
179	.pixclock = 15385,
180	.left_margin = 220,
181	.right_margin = 40,
182	.upper_margin = 21,
183	.lower_margin = 7,
184	.hsync_len = 60,
185	.vsync_len = 10,
186	.sync = FB_SYNC_EXT,
187	.vmode = FB_VMODE_NONINTERLACED
188	}
189	}
190	};
191
192	size_t display_count = ARRAY_SIZE(displays);
193
194	static void setup_display(void)
195	{
196	struct mxc_ccm_reg mxc_ccm = (struct mxc_ccm_reg )CCM_BASE_ADDR;
197	struct iomuxc iomux = (struct iomuxc )IOMUXC_BASE_ADDR;
198
199	enable_ipu_clock();
200	imx_setup_hdmi();
201
202	/* Turn on LDB0,IPU,IPU DI0 clocks */
203	setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
204
205	/* set LDB0, LDB1 clk select to 011/011 */
206	clrsetbits_le32(&mxc_ccm->cs2cdr,
207	MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK \|
208	MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK,
209	(3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) \|
210	(3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET));
211
212	setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
213
214	setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 <<
215	MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
216
217	writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES \|
218	IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH \|
219	IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW \|
220	IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG \|
221	IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT \|
222	IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG \|
223	IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT \|
224	IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED \|
225	IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
226	&iomux->gpr[2]);
227
228	clrsetbits_le32(&iomux->gpr[3], IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
229	IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
230	IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
231	}
232	#endif
233
234	int board_early_init_f(void)
235	{
236	#if defined(CONFIG_VIDEO_IPUV3)
237	setup_display();
238	#endif
239
240	/* Bring Ethernet PHY out of reset. */
241	gpio_set_value(IMX_GPIO_NR(3, 23), 1);
242
243	return 0;
244	}
245
246	int board_init(void)
247	{
248	/* address of boot parameters */
249	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
250
251	#ifdef CONFIG_CMD_SATA
252	setup_sata();
253	#endif
254
255	return 0;
256	}
257
258	int checkboard(void)
259	{
260	puts("Board: Novena 4x\n");
261	return 0;
262	}
263
264	int dram_init(void)
265	{
266	gd->ram_size = imx_ddr_size();
267	return 0;
268	}
269
270	/* setup board specific PMIC */
271	int power_init_board(void)
272	{
273	struct pmic *p;
274	u32 reg;
275	int ret;
276
277	power_pfuze100_init(1);
278	p = pmic_get("PFUZE100");
279	if (!p)
280	return -EINVAL;
281
282	ret = pmic_probe(p);
283	if (ret)
284	return ret;
285
286	pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
287	printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
288
289	/* Set SWBST to 5.0V and enable (for USB) */
290	pmic_reg_read(p, PFUZE100_SWBSTCON1, &reg);
291	reg &= ~(SWBST_MODE_MASK \| SWBST_VOL_MASK);
292	reg \|= (SWBST_5_00V \| SWBST_MODE_AUTO);
293	pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);
294
295	return 0;
296	}
297
298	/* EEPROM configuration data */
299	struct novena_eeprom_data {
300	uint8_t signature[6];
301	uint8_t version;
302	uint8_t reserved;
303	uint32_t serial;
304	uint8_t mac[6];
305	uint16_t features;
306	};
307
308	int misc_init_r(void)
309	{
310	struct novena_eeprom_data data;
311	uchar datap = (uchar )&data;
312	const char *signature = "Novena";
313	int ret;
314
315	/* If 'ethaddr' is already set, do nothing. */
316	if (getenv("ethaddr"))
317	return 0;
318
319	/* EEPROM is at bus 2. */
320	ret = i2c_set_bus_num(2);
321	if (ret) {
322	puts("Cannot select EEPROM I2C bus.\n");
323	return 0;
324	}
325
326	/* EEPROM is at address 0x56. */
327	ret = eeprom_read(0x56, 0, datap, sizeof(data));
328	if (ret) {
329	puts("Cannot read I2C EEPROM.\n");
330	return 0;
331	}
332
333	/* Check EEPROM signature. */
334	if (memcmp(data.signature, signature, 6)) {
335	puts("Invalid I2C EEPROM signature.\n");
336	return 0;
337	}
338
339	/* Set ethernet address from EEPROM. */
340	eth_setenv_enetaddr("ethaddr", data.mac);
341
342	return ret;
343	}