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