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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2017 NXP Semiconductors
*/
#include <init.h>
#include <net.h>
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx7-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/mach-imx/mxc_i2c.h>
#include <asm/io.h>
#include <common.h>
#include <i2c.h>
#include <miiphy.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_DSE_3P3V_49OHM | \
PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C4 for PMIC */
static struct i2c_pads_info i2c_pad_info4 = {
.scl = {
.i2c_mode = MX7D_PAD_SAI1_RX_SYNC__I2C4_SCL | PC,
.gpio_mode = MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 | PC,
.gp = IMX_GPIO_NR(6, 16),
},
.sda = {
.i2c_mode = MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA | PC,
.gpio_mode = MX7D_PAD_SAI1_RX_BCLK__GPIO6_IO17 | PC,
.gp = IMX_GPIO_NR(6, 17),
},
};
#endif
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
/* Subtract the defined OPTEE runtime firmware length */
#ifdef CONFIG_OPTEE_TZDRAM_SIZE
gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
#endif
return 0;
}
#ifdef CONFIG_POWER
#define I2C_PMIC 3
int power_init_board(void)
{
struct pmic *p;
int ret;
unsigned int reg, rev_id;
ret = power_pfuze3000_init(I2C_PMIC);
if (ret)
return ret;
p = pmic_get("PFUZE3000");
ret = pmic_probe(p);
if (ret) {
printf("Warning: Cannot find PMIC PFUZE3000\n");
printf("\tPower consumption is not optimized.\n");
return 0;
}
pmic_reg_read(p, PFUZE3000_DEVICEID, ®);
pmic_reg_read(p, PFUZE3000_REVID, &rev_id);
printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);
/* disable Low Power Mode during standby mode */
pmic_reg_read(p, PFUZE3000_LDOGCTL, ®);
reg |= 0x1;
pmic_reg_write(p, PFUZE3000_LDOGCTL, reg);
/* SW1A/1B mode set to APS/APS */
reg = 0x8;
pmic_reg_write(p, PFUZE3000_SW1AMODE, reg);
pmic_reg_write(p, PFUZE3000_SW1BMODE, reg);
/* SW1A/1B standby voltage set to 1.025V */
reg = 0xd;
pmic_reg_write(p, PFUZE3000_SW1ASTBY, reg);
pmic_reg_write(p, PFUZE3000_SW1BSTBY, reg);
/* decrease SW1B normal voltage to 0.975V */
pmic_reg_read(p, PFUZE3000_SW1BVOLT, ®);
reg &= ~0x1f;
reg |= PFUZE3000_SW1AB_SETP(975);
pmic_reg_write(p, PFUZE3000_SW1BVOLT, reg);
return 0;
}
#endif
static iomux_v3_cfg_t const wdog_pads[] = {
MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const uart5_pads[] = {
MX7D_PAD_I2C4_SCL__UART5_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX7D_PAD_I2C4_SDA__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
#ifdef CONFIG_FEC_MXC
static int setup_fec(void)
{
struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
= (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
/* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17] */
clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
(IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK |
IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0);
return set_clk_enet(ENET_125MHZ);
}
int board_phy_config(struct phy_device *phydev)
{
unsigned short val;
/* To enable AR8035 ouput a 125MHz clk from CLK_25M */
phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
val &= 0xffe7;
val |= 0x18;
phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
/* introduce tx clock delay */
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
val |= 0x0100;
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
#endif
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads));
}
int board_early_init_f(void)
{
setup_iomux_uart();
#ifdef CONFIG_SYS_I2C_MXC
setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info4);
#endif
return 0;
}
#ifdef CONFIG_DM_VIDEO
void setup_lcd(void)
{
gpio_request(IMX_GPIO_NR(1, 11), "lcd_brightness");
gpio_request(IMX_GPIO_NR(1, 6), "lcd_enable");
/* Set Brightness to high */
gpio_direction_output(IMX_GPIO_NR(1, 11) , 1);
/* Set LCD enable to high */
gpio_direction_output(IMX_GPIO_NR(1, 6) , 1);
}
#endif
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_DM_VIDEO
setup_lcd();
#endif
#ifdef CONFIG_FEC_MXC
setup_fec();
#endif
return 0;
}
int board_late_init(void)
{
struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
set_wdog_reset(wdog);
/*
* Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
* since we use PMIC_PWRON to reset the board.
*/
clrsetbits_le16(&wdog->wcr, 0, 0x10);
return 0;
}
int checkboard(void)
{
puts("Board: i.MX7D PICOSOM\n");
return 0;
}
static iomux_v3_cfg_t const usb_otg2_pads[] = {
MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
};
int board_ehci_hcd_init(int port)
{
switch (port) {
case 0:
break;
case 1:
imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
ARRAY_SIZE(usb_otg2_pads));
break;
default:
return -EINVAL;
}
return 0;
}
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