1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2015 Technexion Ltd.
4 *
5 * Author: Richard Hu <richard.hu@technexion.com>
6 */
7
8#include <init.h>
9#include <net.h>
10#include <asm/arch/clock.h>
11#include <asm/arch/iomux.h>
12#include <asm/arch/imx-regs.h>
13#include <asm/arch/crm_regs.h>
14#include <asm/arch/mx6-pins.h>
15#include <asm/arch/sys_proto.h>
16#include <asm/global_data.h>
17#include <asm/gpio.h>
18#include <asm/mach-imx/iomux-v3.h>
19#include <asm/io.h>
20#include <common.h>
21#include <miiphy.h>
22#include <linux/delay.h>
23#include <linux/sizes.h>
24#include <usb.h>
25#include <power/pmic.h>
26#include <power/pfuze3000_pmic.h>
27#include "../../freescale/common/pfuze.h"
28
29DECLARE_GLOBAL_DATA_PTR;
30
31#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
32	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
33	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
34
35#define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |		\
36	PAD_CTL_PUS_47K_UP  | PAD_CTL_SPEED_LOW |		\
37	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
38
39#define MDIO_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |     \
40	PAD_CTL_DSE_48ohm   | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
41
42#define LCD_PAD_CTRL    (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
43	PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
44
45static int setup_fec(void)
46{
47	struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
48	int ret;
49
50	clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
51			IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
52
53	ret = enable_fec_anatop_clock(1, ENET_50MHZ);
54	if (ret)
55		return ret;
56
57	enable_enet_clk(1);
58
59	return 0;
60}
61
62#ifdef CONFIG_VIDEO_MXS
63static iomux_v3_cfg_t const lcd_pads[] = {
64	MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
65	MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
66	MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
67	MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
68	MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
69	MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
70	MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
71	MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
72	MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
73	MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
74	MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
75	MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
76	MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
77	MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
78	MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
79	MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
80	MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
81	MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
82	MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
83	MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
84	MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
85	MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
86	MX6_PAD_LCD_DATA18__LCDIF_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
87	MX6_PAD_LCD_DATA19__LCDIF_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
88	MX6_PAD_LCD_DATA20__LCDIF_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
89	MX6_PAD_LCD_DATA21__LCDIF_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
90	MX6_PAD_LCD_DATA22__LCDIF_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
91	MX6_PAD_LCD_DATA23__LCDIF_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
92	/* LCD_BLT_CTRL: GPIO for Brightness adjustment  */
93	MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
94	/* LCD_VDD_EN: LCD enabled */
95	MX6_PAD_JTAG_TMS__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
96};
97
98void setup_lcd(void)
99{
100	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
101	gpio_request(IMX_GPIO_NR(4, 10), "lcd_brightness");
102	gpio_request(IMX_GPIO_NR(1, 11), "lcd_enable");
103	/* Set Brightness to high */
104	gpio_direction_output(IMX_GPIO_NR(4, 10) , 1);
105	/* Set LCD enable to high */
106	gpio_direction_output(IMX_GPIO_NR(1, 11) , 1);
107}
108#endif
109
110int board_phy_config(struct phy_device *phydev)
111{
112	phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
113
114	if (phydev->drv->config)
115		phydev->drv->config(phydev);
116
117	return 0;
118}
119
120int dram_init(void)
121{
122	gd->ram_size = imx_ddr_size();
123
124	return 0;
125}
126
127static iomux_v3_cfg_t const uart6_pads[] = {
128	MX6_PAD_CSI_MCLK__UART6_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
129	MX6_PAD_CSI_PIXCLK__UART6_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
130};
131
132#define USB_OTHERREGS_OFFSET	0x800
133#define UCTRL_PWR_POL		(1 << 9)
134
135static iomux_v3_cfg_t const usb_otg_pad[] = {
136	MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
137};
138
139static void setup_iomux_uart(void)
140{
141	imx_iomux_v3_setup_multiple_pads(uart6_pads, ARRAY_SIZE(uart6_pads));
142}
143
144static void setup_usb(void)
145{
146	imx_iomux_v3_setup_multiple_pads(usb_otg_pad, ARRAY_SIZE(usb_otg_pad));
147}
148
149int board_early_init_f(void)
150{
151	setup_iomux_uart();
152
153	return 0;
154}
155
156#ifdef CONFIG_DM_PMIC
157int power_init_board(void)
158{
159	struct udevice *dev;
160	int ret, dev_id, rev_id;
161
162	ret = pmic_get("pfuze3000@8", &dev);
163	if (ret == -ENODEV)
164		return 0;
165	if (ret != 0)
166		return ret;
167
168	dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
169	rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
170	printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
171
172	/* disable Low Power Mode during standby mode */
173	pmic_reg_write(dev, PFUZE3000_LDOGCTL, 0x1);
174
175	/* SW1B step ramp up time from 2us to 4us/25mV */
176	pmic_reg_write(dev, PFUZE3000_SW1BCONF, 0x40);
177
178	/* SW1B mode to APS/PFM */
179	pmic_reg_write(dev, PFUZE3000_SW1BMODE, 0xc);
180
181	/* SW1B standby voltage set to 0.975V */
182	pmic_reg_write(dev, PFUZE3000_SW1BSTBY, 0xb);
183
184	return 0;
185}
186#endif
187
188int board_usb_phy_mode(int port)
189{
190	if (port == 1)
191		return USB_INIT_HOST;
192	else
193		return USB_INIT_DEVICE;
194}
195
196int board_ehci_hcd_init(int port)
197{
198	u32 *usbnc_usb_ctrl;
199
200	if (port > 1)
201		return -EINVAL;
202
203	usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
204				 port * 4);
205
206	/* Set Power polarity */
207	setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
208
209	return 0;
210}
211
212int board_init(void)
213{
214	/* Address of boot parameters */
215	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
216
217	setup_fec();
218	setup_usb();
219#ifdef CONFIG_VIDEO_MXS
220	setup_lcd();
221#endif
222	return 0;
223}
224
225int checkboard(void)
226{
227	puts("Board: PICO-IMX6UL-EMMC\n");
228
229	return 0;
230}
231