1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (C) 2014 Marek Vasut <marex@denx.de>
9 #include <linux/errno.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>
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>
23 #include <environment.h>
24 #include <fsl_esdhc.h>
27 #include <ipu_pixfmt.h>
29 #include <linux/input.h>
35 #include <power/pmic.h>
36 #include <power/pfuze100_pmic.h>
37 #include <stdio_dev.h>
41 DECLARE_GLOBAL_DATA_PTR
;
46 #ifdef CONFIG_KEYBOARD
47 static struct input_config button_input
;
49 static int novena_gpio_button_read_keys(struct input_config
*input
)
52 if (gpio_get_value(NOVENA_BUTTON_GPIO
))
54 input_send_keycodes(&button_input
, &key
, 1);
58 static int novena_gpio_button_getc(struct stdio_dev
*dev
)
60 return input_getc(&button_input
);
63 static int novena_gpio_button_tstc(struct stdio_dev
*dev
)
65 return input_tstc(&button_input
);
68 static int novena_gpio_button_init(struct stdio_dev
*dev
)
70 gpio_direction_input(NOVENA_BUTTON_GPIO
);
71 input_set_delays(&button_input
, 250, 250);
75 int drv_keyboard_init(void)
78 struct stdio_dev dev
= {
80 .flags
= DEV_FLAGS_INPUT
,
81 .start
= novena_gpio_button_init
,
82 .getc
= novena_gpio_button_getc
,
83 .tstc
= novena_gpio_button_tstc
,
86 error
= input_init(&button_input
, 0);
88 debug("%s: Cannot set up input\n", __func__
);
91 input_add_tables(&button_input
, false);
92 button_input
.read_keys
= novena_gpio_button_read_keys
;
94 error
= input_stdio_register(&dev
);
105 #ifdef CONFIG_FSL_ESDHC
106 static struct fsl_esdhc_cfg usdhc_cfg
[] = {
107 { USDHC3_BASE_ADDR
, 0, 4 }, /* Micro SD */
108 { USDHC2_BASE_ADDR
, 0, 4 }, /* Big SD */
111 int board_mmc_getcd(struct mmc
*mmc
)
113 struct fsl_esdhc_cfg
*cfg
= (struct fsl_esdhc_cfg
*)mmc
->priv
;
115 /* There is no CD for a microSD card, assume always present. */
116 if (cfg
->esdhc_base
== USDHC3_BASE_ADDR
)
119 return !gpio_get_value(NOVENA_SD_CD
);
122 int board_mmc_getwp(struct mmc
*mmc
)
124 struct fsl_esdhc_cfg
*cfg
= (struct fsl_esdhc_cfg
*)mmc
->priv
;
126 /* There is no WP for a microSD card, assume always read-write. */
127 if (cfg
->esdhc_base
== USDHC3_BASE_ADDR
)
130 return gpio_get_value(NOVENA_SD_WP
);
134 int board_mmc_init(bd_t
*bis
)
139 usdhc_cfg
[0].sdhc_clk
= mxc_get_clock(MXC_ESDHC3_CLK
);
140 usdhc_cfg
[1].sdhc_clk
= mxc_get_clock(MXC_ESDHC2_CLK
);
142 /* Big SD write-protect and card-detect */
143 gpio_direction_input(NOVENA_SD_WP
);
144 gpio_direction_input(NOVENA_SD_CD
);
146 for (index
= 0; index
< ARRAY_SIZE(usdhc_cfg
); index
++) {
147 status
= fsl_esdhc_initialize(bis
, &usdhc_cfg
[index
]);
156 int board_early_init_f(void)
158 #if defined(CONFIG_VIDEO_IPUV3)
159 setup_display_clock();
167 /* address of boot parameters */
168 gd
->bd
->bi_boot_params
= PHYS_SDRAM
+ 0x100;
177 int board_late_init(void)
179 #if defined(CONFIG_VIDEO_IPUV3)
180 setup_display_lvds();
187 puts("Board: Novena 4x\n");
193 gd
->ram_size
= imx_ddr_size();
197 /* setup board specific PMIC */
198 int power_init_board(void)
204 power_pfuze100_init(1);
205 p
= pmic_get("PFUZE100");
213 pmic_reg_read(p
, PFUZE100_DEVICEID
, ®
);
214 printf("PMIC: PFUZE100 ID=0x%02x\n", reg
);
216 /* Set SWBST to 5.0V and enable (for USB) */
217 pmic_reg_read(p
, PFUZE100_SWBSTCON1
, ®
);
218 reg
&= ~(SWBST_MODE_MASK
| SWBST_VOL_MASK
);
219 reg
|= (SWBST_5_00V
| (SWBST_MODE_AUTO
<< SWBST_MODE_SHIFT
));
220 pmic_reg_write(p
, PFUZE100_SWBSTCON1
, reg
);
225 /* EEPROM configuration data */
226 struct novena_eeprom_data
{
227 uint8_t signature
[6];
235 int misc_init_r(void)
237 struct novena_eeprom_data data
;
238 uchar
*datap
= (uchar
*)&data
;
239 const char *signature
= "Novena";
242 /* If 'ethaddr' is already set, do nothing. */
243 if (env_get("ethaddr"))
246 /* EEPROM is at bus 2. */
247 ret
= i2c_set_bus_num(2);
249 puts("Cannot select EEPROM I2C bus.\n");
253 /* EEPROM is at address 0x56. */
254 ret
= eeprom_read(0x56, 0, datap
, sizeof(data
));
256 puts("Cannot read I2C EEPROM.\n");
260 /* Check EEPROM signature. */
261 if (memcmp(data
.signature
, signature
, 6)) {
262 puts("Invalid I2C EEPROM signature.\n");
266 /* Set ethernet address from EEPROM. */
267 eth_env_set_enetaddr("ethaddr", data
.mac
);