u-boot/board/technexion/pico-imx6ul/pico-imx6ul.c
Tom Rini d678a59d2d Revert "Merge patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet""
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay
Ethernet"' I failed to notice that b4 noticed it was based on next and
so took that as the base commit and merged that part of next to master.

This reverts commit c8ffd1356d, reversing
changes made to 2ee6f3a5f7.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-19 08:16:36 -06:00

231 lines
6.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Technexion Ltd.
*
* Author: Richard Hu <richard.hu@technexion.com>
*/
#include <init.h>
#include <net.h>
#include <asm/arch/clock.h>
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/global_data.h>
#include <asm/gpio.h>
#include <asm/mach-imx/iomux-v3.h>
#include <asm/io.h>
#include <common.h>
#include <miiphy.h>
#include <linux/delay.h>
#include <linux/sizes.h>
#include <usb.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
#include "../../freescale/common/pfuze.h"
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
static int setup_fec(void)
{
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
int ret;
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
ret = enable_fec_anatop_clock(1, ENET_50MHZ);
if (ret)
return ret;
enable_enet_clk(1);
return 0;
}
#ifdef CONFIG_VIDEO_MXS
static iomux_v3_cfg_t const lcd_pads[] = {
MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA18__LCDIF_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA19__LCDIF_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA20__LCDIF_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA21__LCDIF_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA22__LCDIF_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD_DATA23__LCDIF_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
/* LCD_BLT_CTRL: GPIO for Brightness adjustment */
MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* LCD_VDD_EN: LCD enabled */
MX6_PAD_JTAG_TMS__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
void setup_lcd(void)
{
imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
gpio_request(IMX_GPIO_NR(4, 10), "lcd_brightness");
gpio_request(IMX_GPIO_NR(1, 11), "lcd_enable");
/* Set Brightness to high */
gpio_direction_output(IMX_GPIO_NR(4, 10) , 1);
/* Set LCD enable to high */
gpio_direction_output(IMX_GPIO_NR(1, 11) , 1);
}
#endif
int board_phy_config(struct phy_device *phydev)
{
phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}
static iomux_v3_cfg_t const uart6_pads[] = {
MX6_PAD_CSI_MCLK__UART6_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_CSI_PIXCLK__UART6_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
#define USB_OTHERREGS_OFFSET 0x800
#define UCTRL_PWR_POL (1 << 9)
static iomux_v3_cfg_t const usb_otg_pad[] = {
MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart6_pads, ARRAY_SIZE(uart6_pads));
}
static void setup_usb(void)
{
imx_iomux_v3_setup_multiple_pads(usb_otg_pad, ARRAY_SIZE(usb_otg_pad));
}
int board_early_init_f(void)
{
setup_iomux_uart();
return 0;
}
#ifdef CONFIG_DM_PMIC
int power_init_board(void)
{
struct udevice *dev;
int ret, dev_id, rev_id;
ret = pmic_get("pfuze3000@8", &dev);
if (ret == -ENODEV)
return 0;
if (ret != 0)
return ret;
dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
/* disable Low Power Mode during standby mode */
pmic_reg_write(dev, PFUZE3000_LDOGCTL, 0x1);
/* SW1B step ramp up time from 2us to 4us/25mV */
pmic_reg_write(dev, PFUZE3000_SW1BCONF, 0x40);
/* SW1B mode to APS/PFM */
pmic_reg_write(dev, PFUZE3000_SW1BMODE, 0xc);
/* SW1B standby voltage set to 0.975V */
pmic_reg_write(dev, PFUZE3000_SW1BSTBY, 0xb);
return 0;
}
#endif
int board_usb_phy_mode(int port)
{
if (port == 1)
return USB_INIT_HOST;
else
return USB_INIT_DEVICE;
}
int board_ehci_hcd_init(int port)
{
u32 *usbnc_usb_ctrl;
if (port > 1)
return -EINVAL;
usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
port * 4);
/* Set Power polarity */
setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
return 0;
}
int board_init(void)
{
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
setup_fec();
setup_usb();
#ifdef CONFIG_VIDEO_MXS
setup_lcd();
#endif
return 0;
}
int checkboard(void)
{
puts("Board: PICO-IMX6UL-EMMC\n");
return 0;
}