blob: 36d527dd52ad92662bd4f2f19fcf7fd44fcb2f94 [file] [log] [blame]
/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
* Copyright 2017 NXP
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/io.h>
#include <asm/imx-common/mxc_i2c.h>
#include <linux/sizes.h>
#include <common.h>
#include <fsl_esdhc.h>
#include <mmc.h>
#include <i2c.h>
#include <miiphy.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
#include "../common/pfuze.h"
#include <usb.h>
#include <usb/ehci-ci.h>
#include <asm/imx-common/video.h>
#include <micrel.h>
#ifdef CONFIG_IMX_RDC
#include <asm/imx-common/rdc-sema.h>
#include <asm/arch/imx-rdc.h>
#endif
#ifdef CONFIG_FSL_FASTBOOT
#include <fsl_fastboot.h>
#ifdef CONFIG_ANDROID_RECOVERY
#include <recovery.h>
#endif
#endif /*CONFIG_FSL_FASTBOOT*/
DECLARE_GLOBAL_DATA_PTR;
#define I2C_PMIC 1
#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 USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
PAD_CTL_ODE)
#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
PAD_CTL_SPEED_HIGH | \
PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
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)
#define BUTTON_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_22K_UP | PAD_CTL_DSE_40ohm)
#define WDOG_PAD_CTRL (PAD_CTL_PUE | PAD_CTL_PKE | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm)
#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)
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}
static iomux_v3_cfg_t const uart3_pads[] = {
MX6_PAD_QSPI1B_SS0_B__UART3_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_QSPI1B_SCLK__UART3_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc2_pads[] = {
MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA0__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA1__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA2__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DATA3__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc3_pads[] = {
MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA4__USDHC3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA5__USDHC3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA6__USDHC3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DATA7__USDHC3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
/* CD pin */
MX6_PAD_KEY_COL0__GPIO2_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* RST_B, used for power reset cycle */
MX6_PAD_KEY_COL1__GPIO2_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc4_pads[] = {
MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA7__GPIO6_IO_21 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc4_emmc_pads[] = {
MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA4__USDHC4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA5__USDHC4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA6__USDHC4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DATA7__USDHC4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_RESET_B__USDHC4_RESET_B | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const wdog_b_pad = {
MX6_PAD_GPIO1_IO13__GPIO1_IO_13 | MUX_PAD_CTRL(WDOG_PAD_CTRL),
};
static iomux_v3_cfg_t const fec1_pads[] = {
MX6_PAD_GPIO1_IO04__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_GPIO1_IO05__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII1_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
MX6_PAD_RGMII1_RD0__ENET1_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
MX6_PAD_RGMII1_RD1__ENET1_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
MX6_PAD_RGMII1_RD2__ENET1_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
MX6_PAD_RGMII1_RD3__ENET1_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
MX6_PAD_RGMII1_RXC__ENET1_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII1_TD0__ENET1_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII1_TD1__ENET1_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII1_TD2__ENET1_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII1_TD3__ENET1_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII1_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
};
static iomux_v3_cfg_t const peri_3v3_pads[] = {
MX6_PAD_QSPI1A_DATA0__GPIO4_IO_16 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const phy_control_pads[] = {
/* 25MHz Ethernet PHY Clock */
MX6_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M |
MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
/* ENET PHY Power */
MX6_PAD_QSPI1B_DATA1__GPIO4_IO_25 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* AR8031 PHY Reset */
MX6_PAD_QSPI1B_DATA2__GPIO4_IO_26 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
}
static int setup_fec(int fec_id)
{
struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
int reg, ret;
/* Use 125M anatop loopback REF_CLK1 for ENET1,
* clear gpr1[13], gpr1[17] */
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, 0);
ret = enable_fec_anatop_clock(fec_id, ENET_125MHZ);
if (ret)
return ret;
imx_iomux_v3_setup_multiple_pads(phy_control_pads,
ARRAY_SIZE(phy_control_pads));
/* Enable the ENET power, active low */
gpio_request(IMX_GPIO_NR(4, 25), "fec power en");
gpio_direction_output(IMX_GPIO_NR(4, 25) , 0);
/* Reset AR8031 PHY */
gpio_request(IMX_GPIO_NR(4, 26), "ar8031 reset");
gpio_direction_output(IMX_GPIO_NR(4, 26) , 0);
mdelay(10);
gpio_set_value(IMX_GPIO_NR(4, 26), 1);
reg = readl(&anatop->pll_enet);
reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE;
writel(reg, &anatop->pll_enet);
return 0;
}
int board_eth_init(bd_t *bis)
{
imx_iomux_v3_setup_multiple_pads(fec1_pads,
ARRAY_SIZE(fec1_pads));
return cpu_eth_init(bis);
}
int mx6_rgmii_rework(struct phy_device *phydev)
{
/* add necessary delays for RGMII,
* there are no board skew delays added
* additional rx data delay = 0, rx clk delay = 0.3ns, total = 1.5ns
* additional tx data delay = -0.42ns, tx clk delay = 0.96ns,
* total = 1.38ns
*/
if (ksz9031_phy_extended_write(phydev, 0x2,
MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
MII_KSZ9031_MOD_DATA_NO_POST_INC,
0x0070))
return -EIO;
if (ksz9031_phy_extended_write(phydev, 0x2,
MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
MII_KSZ9031_MOD_DATA_NO_POST_INC,
0x7777))
return -EIO;
if (ksz9031_phy_extended_write(phydev, 0x2,
MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
MII_KSZ9031_MOD_DATA_NO_POST_INC,
0x0000))
return -EIO;
if (ksz9031_phy_extended_write(phydev, 0x2,
MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
MII_KSZ9031_MOD_DATA_NO_POST_INC,
0x03f4))
return -EIO;
return 0;
}
#ifdef CONFIG_SYS_I2C
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC */
static struct i2c_pads_info i2c_pad_info1 = {
.scl = {
.i2c_mode = MX6_PAD_GPIO1_IO00__I2C1_SCL | PC,
.gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO_0 | PC,
.gp = IMX_GPIO_NR(1, 0),
},
.sda = {
.i2c_mode = MX6_PAD_GPIO1_IO01__I2C1_SDA | PC,
.gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO_1 | PC,
.gp = IMX_GPIO_NR(1, 1),
},
};
/* I2C2 */
struct i2c_pads_info i2c_pad_info2 = {
.scl = {
.i2c_mode = MX6_PAD_GPIO1_IO02__I2C2_SCL | PC,
.gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO_2 | PC,
.gp = IMX_GPIO_NR(1, 2),
},
.sda = {
.i2c_mode = MX6_PAD_GPIO1_IO03__I2C2_SDA | PC,
.gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO_3 | PC,
.gp = IMX_GPIO_NR(1, 3),
},
};
/* I2C4 */
struct i2c_pads_info i2c_pad_info4 = {
.scl = {
.i2c_mode = MX6_PAD_CSI_DATA06__I2C4_SCL | PC,
.gpio_mode = MX6_PAD_CSI_DATA06__GPIO1_IO_20 | PC,
.gp = IMX_GPIO_NR(1, 20),
},
.sda = {
.i2c_mode = MX6_PAD_CSI_DATA07__I2C4_SDA | PC,
.gpio_mode = MX6_PAD_CSI_DATA07__GPIO1_IO_21 | PC,
.gp = IMX_GPIO_NR(1, 21),
},
};
#endif
#ifdef CONFIG_POWER
int power_init_board(void)
{
struct pmic *pfuze;
unsigned int reg;
int ret;
pfuze = pfuze_common_init(I2C_PMIC);
if (!pfuze)
return -ENODEV;
ret = pfuze_mode_init(pfuze, APS_PFM);
if (ret < 0)
return ret;
/* set SW3A to 1.2V for LPDDR2 */
pmic_reg_read(pfuze, PFUZE100_SW3AVOL, &reg);
reg &= ~0x3f;
reg |= 0x20;
pmic_reg_write(pfuze, PFUZE100_SW3AVOL, reg);
/* set SW3A standby volatage 1.2V */
pmic_reg_read(pfuze, PFUZE100_SW3ASTBY, &reg);
reg &= ~0x3f;
reg |= 0x20;
pmic_reg_write(pfuze, PFUZE100_SW3ASTBY, reg);
/* set SW1AB normal volatage 1.350V */
pmic_reg_read(pfuze, PFUZE100_SW1ABVOL, &reg);
reg &= ~0x3f;
reg |= PFUZE100_SW1ABC_SETP(13500);
pmic_reg_write(pfuze, PFUZE100_SW1ABVOL, reg);
/* set SW1AB standby volatage 1.10V */
pmic_reg_read(pfuze, PFUZE100_SW1ABSTBY, &reg);
reg &= ~0x3f;
reg |= PFUZE100_SW1ABC_SETP(11000);
pmic_reg_write(pfuze, PFUZE100_SW1ABSTBY, reg);
/* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
pmic_reg_read(pfuze, PFUZE100_SW1ABCONF, &reg);
reg &= ~0xc0;
reg |= 0x40;
pmic_reg_write(pfuze, PFUZE100_SW1ABCONF, reg);
pmic_reg_read(pfuze, PFUZE100_VGEN3VOL, &reg);
reg &= ~LDO_VOL_MASK;
reg |= (LDOB_2_80V | (1 << LDO_EN));
pmic_reg_write(pfuze, PFUZE100_VGEN3VOL, reg);
/* set SWBST boost regulator mode */
pmic_reg_read(pfuze, PFUZE100_SWBSTCON1, &reg);
reg &= ~SWBST_MODE_MASK;
reg |= SWBST_MODE_AUTO << SWBST_MODE_SHIFT;
reg |= 0x40;
pmic_reg_write(pfuze, PFUZE100_SWBSTCON1, reg);
return 0;
}
#elif defined(CONFIG_DM_PMIC_PFUZE100)
int power_init_board(void)
{
struct udevice *dev;
unsigned int reg;
int ret;
dev = pfuze_common_init();
if (!dev)
return -ENODEV;
ret = pfuze_mode_init(dev, APS_PFM);
if (ret < 0)
return ret;
/* set SW3A to 1.2V for LPDDR2 */
reg = pmic_reg_read(dev, PFUZE100_SW3AVOL);
reg &= ~0x3f;
reg |= 0x20;
pmic_reg_write(dev, PFUZE100_SW3AVOL, reg);
/* set SW3A standby volatage 1.2V */
reg = pmic_reg_read(dev, PFUZE100_SW3ASTBY);
reg &= ~0x3f;
reg |= 0x20;
pmic_reg_write(dev, PFUZE100_SW3ASTBY, reg);
/* set SW1AB normal volatage 1.350V */
reg = pmic_reg_read(dev, PFUZE100_SW1ABVOL);
reg &= ~0x3f;
reg |= PFUZE100_SW1ABC_SETP(13500);
pmic_reg_write(dev, PFUZE100_SW1ABVOL, reg);
/* set SW1AB standby volatage 1.10V */
reg = pmic_reg_read(dev, PFUZE100_SW1ABSTBY);
reg &= ~0x3f;
reg |= PFUZE100_SW1ABC_SETP(11000);
pmic_reg_write(dev, PFUZE100_SW1ABSTBY, reg);
/* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
reg = pmic_reg_read(dev, PFUZE100_SW1ABCONF);
reg &= ~0xc0;
reg |= 0x40;
pmic_reg_write(dev, PFUZE100_SW1ABCONF, reg);
reg = pmic_reg_read(dev, PFUZE100_VGEN3VOL);
reg &= ~LDO_VOL_MASK;
reg |= (LDOB_2_80V | (1 << LDO_EN));
pmic_reg_write(dev, PFUZE100_VGEN3VOL, reg);
/* set SWBST boost regulator mode */
reg = pmic_reg_read(dev, PFUZE100_SWBSTCON1);
reg &= ~SWBST_MODE_MASK;
reg |= SWBST_MODE_AUTO << SWBST_MODE_SHIFT;
reg |= 0x40;
pmic_reg_write(dev, PFUZE100_SWBSTCON1, reg);
return 0;
}
#endif
#ifdef CONFIG_LDO_BYPASS_CHECK
#ifdef CONFIG_POWER
void ldo_mode_set(int ldo_bypass)
{
unsigned int value;
int is_400M;
u32 vddarm;
struct pmic *p = pmic_get("PFUZE100");
if (!p) {
printf("No PMIC found!\n");
return;
}
/* switch to ldo_bypass mode */
if (ldo_bypass) {
prep_anatop_bypass();
/* decrease VDDARM to 1.275V */
pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
value &= ~0x3f;
value |= PFUZE100_SW1ABC_SETP(12750);
pmic_reg_write(p, PFUZE100_SW1ABVOL, value);
/* decrease VDDSOC to 1.3V */
pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
value &= ~0x3f;
value |= PFUZE100_SW1ABC_SETP(13000);
pmic_reg_write(p, PFUZE100_SW1CVOL, value);
is_400M = set_anatop_bypass(1);
if (is_400M)
vddarm = PFUZE100_SW1ABC_SETP(10750);
else
vddarm = PFUZE100_SW1ABC_SETP(11750);
pmic_reg_read(p, PFUZE100_SW1ABVOL, &value);
value &= ~0x3f;
value |= vddarm;
pmic_reg_write(p, PFUZE100_SW1ABVOL, value);
pmic_reg_read(p, PFUZE100_SW1CVOL, &value);
value &= ~0x3f;
value |= PFUZE100_SW1ABC_SETP(11750);
pmic_reg_write(p, PFUZE100_SW1CVOL, value);
finish_anatop_bypass();
printf("switch to ldo_bypass mode!\n");
}
}
#elif defined(CONFIG_DM_PMIC_PFUZE100)
void ldo_mode_set(int ldo_bypass)
{
struct udevice *dev;
int ret;
int is_400M;
u32 vddarm;
ret = pmic_get("pfuze100", &dev);
if (ret == -ENODEV) {
printf("No PMIC found!\n");
return;
}
/* switch to ldo_bypass mode */
if (ldo_bypass) {
prep_anatop_bypass();
/* decrease VDDARM to 1.275V */
pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f,
PFUZE100_SW1ABC_SETP(12750));
/* decrease VDDSOC to 1.3V */
pmic_clrsetbits(dev, PFUZE100_SW1CVOL, 0x3f,
PFUZE100_SW1ABC_SETP(13000));
is_400M = set_anatop_bypass(1);
if (is_400M)
vddarm = PFUZE100_SW1ABC_SETP(10750);
else
vddarm = PFUZE100_SW1ABC_SETP(11750);
pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f, vddarm);
/* decrease VDDSOC to 1.175V */
pmic_clrsetbits(dev, PFUZE100_SW1CVOL, 0x3f,
PFUZE100_SW1ABC_SETP(11750));
finish_anatop_bypass();
printf("switch to ldo_bypass mode!\n");
}
}
#endif
#endif
#ifdef CONFIG_USB_EHCI_MX6
#ifndef CONFIG_DM_USB
#define USB_OTHERREGS_OFFSET 0x800
#define UCTRL_PWR_POL (1 << 9)
static iomux_v3_cfg_t const usb_otg_pads[] = {
/* OGT1 */
MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
/* OTG2 */
MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)
};
static void setup_usb(void)
{
imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
ARRAY_SIZE(usb_otg_pads));
}
int board_usb_phy_mode(int port)
{
if (port == 1)
return USB_INIT_HOST;
else
return usb_phy_mode(port);
}
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;
}
#endif
#endif
int board_phy_config(struct phy_device *phydev)
{
mx6_rgmii_rework(phydev);
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
int board_early_init_f(void)
{
#ifdef CONFIG_IMX_RDC
imx_rdc_setup_peripherals(shared_resources,
ARRAY_SIZE(shared_resources));
#endif
#ifdef CONFIG_SYS_AUXCORE_FASTUP
arch_auxiliary_core_up(0, CONFIG_SYS_AUXCORE_BOOTDATA);
#endif
setup_iomux_uart();
return 0;
}
static struct fsl_esdhc_cfg usdhc_cfg[3] = {
{USDHC2_BASE_ADDR, 0, 4},
{USDHC3_BASE_ADDR},
#ifdef CONFIG_MX6SXSCM_EMMC
{USDHC4_BASE_ADDR, 0, 8},
#else
{USDHC4_BASE_ADDR},
#endif
};
#define USDHC3_CD_GPIO IMX_GPIO_NR(2, 10)
#define USDHC3_PWR_GPIO IMX_GPIO_NR(2, 11)
#define USDHC4_CD_GPIO IMX_GPIO_NR(6, 21)
int board_mmc_get_env_dev(int devno)
{
return devno - 1;
}
int mmc_map_to_kernel_blk(int dev_no)
{
return dev_no + 1;
}
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
int ret = 0;
switch (cfg->esdhc_base) {
case USDHC2_BASE_ADDR:
ret = 1; /* Assume uSDHC2 is always present */
break;
case USDHC3_BASE_ADDR:
ret = 1; /* Assume uSDHC3 is always present */
break;
case USDHC4_BASE_ADDR:
#ifdef CONFIG_MX6SXSCM_EMMC
ret = 1;
#else
ret = !gpio_get_value(USDHC4_CD_GPIO);
#endif
break;
}
return ret;
}
int board_mmc_init(bd_t *bis)
{
int i, ret;
/*
* According to the board_mmc_init() the following map is done:
* (U-Boot device node) (Physical Port)
* mmc0 USDHC2
* mmc1 USDHC3
* mmc2 USDHC4
*/
for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
switch (i) {
case 0:
imx_iomux_v3_setup_multiple_pads(
usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
break;
case 1:
imx_iomux_v3_setup_multiple_pads(
usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
gpio_request(USDHC3_CD_GPIO, "usdhc3 cd");
gpio_request(USDHC3_PWR_GPIO, "usdhc3 pwr");
gpio_direction_input(USDHC3_CD_GPIO);
gpio_direction_output(USDHC3_PWR_GPIO, 1);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
break;
case 2:
#ifdef CONFIG_MX6SXSCM_EMMC
imx_iomux_v3_setup_multiple_pads(
usdhc4_emmc_pads, ARRAY_SIZE(usdhc4_emmc_pads));
#else
imx_iomux_v3_setup_multiple_pads(
usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
gpio_request(USDHC4_CD_GPIO, "usdhc4 cd");
gpio_direction_input(USDHC4_CD_GPIO);
#endif
usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
break;
default:
printf("Warning: you configured more ");
printf("USDHC controllers ");
printf("(%d) than supported by the board\n", i + 1);
return -EINVAL;
}
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
if (ret) {
printf("Warning: failed to initialize mmc dev %d\n", i);
return ret;
}
}
return 0;
}
#ifdef CONFIG_FSL_QSPI
#ifndef CONFIG_DM_SPI
#define QSPI_PAD_CTRL1 \
(PAD_CTL_SRE_FAST | PAD_CTL_SPEED_HIGH | \
PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_40ohm)
static iomux_v3_cfg_t const quadspi_pads[] = {
MX6_PAD_NAND_WP_B__QSPI2_A_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_READY_B__QSPI2_A_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_CE0_B__QSPI2_A_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_CE1_B__QSPI2_A_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_ALE__QSPI2_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_CLE__QSPI2_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_DATA01__QSPI2_B_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_DATA00__QSPI2_B_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_WE_B__QSPI2_B_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_RE_B__QSPI2_B_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_DATA03__QSPI2_B_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_DATA02__QSPI2_B_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_DATA05__QSPI2_B_DQS | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
};
#endif
int board_qspi_init(void)
{
#ifndef CONFIG_DM_SPI
/* Set the iomux */
imx_iomux_v3_setup_multiple_pads(quadspi_pads,
ARRAY_SIZE(quadspi_pads));
#endif
/* Set the clock */
enable_qspi_clk(1);
return 0;
}
#endif
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
{"sd3", MAKE_CFGVAL(0x42, 0x30, 0x00, 0x00)},
{"sd4", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
{"qspi2", MAKE_CFGVAL(0x18, 0x00, 0x00, 0x00)},
{NULL, 0},
};
#endif
#ifdef CONFIG_VIDEO_MXS
static iomux_v3_cfg_t const lvds_ctrl_pads[] = {
/* CABC enable */
MX6_PAD_QSPI1A_DATA2__GPIO4_IO_18 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* Use GPIO for Brightness adjustment, duty cycle = period */
MX6_PAD_NAND_DATA07__GPIO4_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const lcd_pads[] = {
MX6_PAD_LCD1_CLK__LCDIF1_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_ENABLE__LCDIF1_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_HSYNC__LCDIF1_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_VSYNC__LCDIF1_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA00__LCDIF1_DATA_0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA01__LCDIF1_DATA_1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA02__LCDIF1_DATA_2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA03__LCDIF1_DATA_3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA04__LCDIF1_DATA_4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA05__LCDIF1_DATA_5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA06__LCDIF1_DATA_6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA07__LCDIF1_DATA_7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA08__LCDIF1_DATA_8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA09__LCDIF1_DATA_9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA10__LCDIF1_DATA_10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA11__LCDIF1_DATA_11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA12__LCDIF1_DATA_12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA13__LCDIF1_DATA_13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA14__LCDIF1_DATA_14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA15__LCDIF1_DATA_15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA16__LCDIF1_DATA_16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA17__LCDIF1_DATA_17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA18__LCDIF1_DATA_18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA19__LCDIF1_DATA_19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA20__LCDIF1_DATA_20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA21__LCDIF1_DATA_21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA22__LCDIF1_DATA_22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA23__LCDIF1_DATA_23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_RESET__GPIO3_IO_27 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* Use GPIO for Brightness adjustment, duty cycle = period */
MX6_PAD_NAND_DATA06__GPIO4_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
void do_enable_lvds(struct display_info_t const *dev)
{
int ret;
ret = enable_lcdif_clock(dev->bus, 1);
if (ret) {
printf("Enable LCDIF clock failed, %d\n", ret);
return;
}
ret = enable_lvds_bridge(dev->bus);
if (ret) {
printf("Enable LVDS bridge failed, %d\n", ret);
return;
}
imx_iomux_v3_setup_multiple_pads(lvds_ctrl_pads,
ARRAY_SIZE(lvds_ctrl_pads));
/* Enable CABC */
gpio_request(IMX_GPIO_NR(4, 18), "CABC enable");
gpio_direction_output(IMX_GPIO_NR(4, 18) , 1);
/* Set Brightness to high */
gpio_request(IMX_GPIO_NR(4, 11), "lvds backlight");
gpio_direction_output(IMX_GPIO_NR(4, 11) , 1);
}
void do_enable_parallel_lcd(struct display_info_t const *dev)
{
int ret;
ret = enable_lcdif_clock(dev->bus, 1);
if (ret) {
printf("Enable LCDIF clock failed, %d\n", ret);
return;
}
imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
/* Reset the LCD */
gpio_request(IMX_GPIO_NR(3, 27), "lcd reset");
gpio_direction_output(IMX_GPIO_NR(3, 27) , 0);
udelay(500);
gpio_direction_output(IMX_GPIO_NR(3, 27) , 1);
/* Set Brightness to high */
gpio_request(IMX_GPIO_NR(4, 10), "lcd backlight");
gpio_direction_output(IMX_GPIO_NR(4, 10) , 1);
}
struct display_info_t const displays[] = {{
.bus = LCDIF2_BASE_ADDR,
.addr = 0,
.pixfmt = 18,
.detect = NULL,
.enable = do_enable_lvds,
.mode = {
.name = "Hannstar-XGA",
.xres = 1024,
.yres = 768,
.pixclock = 15385,
.left_margin = 220,
.right_margin = 40,
.upper_margin = 21,
.lower_margin = 7,
.hsync_len = 60,
.vsync_len = 10,
.sync = 0,
.vmode = FB_VMODE_NONINTERLACED
} }, {
.bus = MX6SX_LCDIF1_BASE_ADDR,
.addr = 0,
.pixfmt = 24,
.detect = NULL,
.enable = do_enable_parallel_lcd,
.mode = {
.name = "MCIMX28LCD",
.xres = 800,
.yres = 480,
.pixclock = 29850,
.left_margin = 89,
.right_margin = 164,
.upper_margin = 23,
.lower_margin = 10,
.hsync_len = 10,
.vsync_len = 10,
.sync = 0,
.vmode = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);
#endif
int board_init(void)
{
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
/*
* Because kernel set WDOG_B mux before pad with the commone pinctrl
* framwork now and wdog reset will be triggered once set WDOG_B mux
* with default pad setting, we set pad setting here to workaround this.
* Since imx_iomux_v3_setup_pad also set mux before pad setting, we set
* as GPIO mux firstly here to workaround it.
*/
imx_iomux_v3_setup_pad(wdog_b_pad);
/* Enable PERI_3V3, which is used by SD2, ENET, LVDS, BT */
imx_iomux_v3_setup_multiple_pads(peri_3v3_pads,
ARRAY_SIZE(peri_3v3_pads));
/* Active high for ncp692 */
gpio_request(IMX_GPIO_NR(4, 16), "peri_3v3");
gpio_direction_output(IMX_GPIO_NR(4, 16) , 1);
#ifdef CONFIG_SYS_I2C
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info4);
#endif
#ifdef CONFIG_USB_EHCI_MX6
#ifndef CONFIG_DM_USB
setup_usb();
#endif
#endif
#ifdef CONFIG_FSL_QSPI
board_qspi_init();
#endif
/* Also used for OF_CONTROL enabled */
#ifdef CONFIG_FEC_MXC
setup_fec(CONFIG_FEC_ENET_DEV);
#endif
return 0;
}
int board_late_init(void)
{
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
#ifdef CONFIG_ENV_IS_IN_MMC
board_late_mmc_env_init();
#endif
return 0;
}
int checkboard(void)
{
puts("Board: MX6SXSCM EVB\n");
return 0;
}
#ifdef CONFIG_FSL_FASTBOOT
void board_fastboot_setup(void)
{
switch (get_boot_device()) {
#if defined(CONFIG_FASTBOOT_STORAGE_MMC)
case SD2_BOOT:
case MMC2_BOOT:
if (!getenv("fastboot_dev"))
setenv("fastboot_dev", "mmc0");
if (!getenv("bootcmd"))
setenv("bootcmd", "boota mmc0");
break;
case SD3_BOOT:
case MMC3_BOOT:
if (!getenv("fastboot_dev"))
setenv("fastboot_dev", "mmc1");
if (!getenv("bootcmd"))
setenv("bootcmd", "boota mmc1");
break;
case SD4_BOOT:
case MMC4_BOOT:
if (!getenv("fastboot_dev"))
setenv("fastboot_dev", "mmc2");
if (!getenv("bootcmd"))
setenv("bootcmd", "boota mmc2");
break;
#endif /*CONFIG_FASTBOOT_STORAGE_MMC*/
default:
printf("unsupported boot devices\n");
break;
}
}
#ifdef CONFIG_ANDROID_RECOVERY
#define GPIO_VOL_DN_KEY IMX_GPIO_NR(1, 19)
iomux_v3_cfg_t const recovery_key_pads[] = {
(MX6_PAD_CSI_DATA05__GPIO1_IO_19 | MUX_PAD_CTRL(BUTTON_PAD_CTRL)),
};
int check_recovery_cmd_file(void)
{
int button_pressed = 0;
int recovery_mode = 0;
recovery_mode = recovery_check_and_clean_flag();
/* Check Recovery Combo Button press or not. */
imx_iomux_v3_setup_multiple_pads(recovery_key_pads,
ARRAY_SIZE(recovery_key_pads));
gpio_request(GPIO_VOL_DN_KEY, "volume_dn_key");
gpio_direction_input(GPIO_VOL_DN_KEY);
/* VOL_DN key is low assert */
if (gpio_get_value(GPIO_VOL_DN_KEY) == 0) {
button_pressed = 1;
printf("Recovery key pressed\n");
}
return recovery_mode || button_pressed;
}
void board_recovery_setup(void)
{
int bootdev = get_boot_device();
switch (bootdev) {
#if defined(CONFIG_FASTBOOT_STORAGE_MMC)
case SD2_BOOT:
case MMC2_BOOT:
if (!getenv("bootcmd_android_recovery"))
setenv("bootcmd_android_recovery",
"boota mmc0 recovery");
break;
case SD3_BOOT:
case MMC3_BOOT:
if (!getenv("bootcmd_android_recovery"))
setenv("bootcmd_android_recovery",
"boota mmc1 recovery");
break;
case SD4_BOOT:
case MMC4_BOOT:
if (!getenv("bootcmd_android_recovery"))
setenv("bootcmd_android_recovery",
"boota mmc2 recovery");
break;
#endif /*CONFIG_FASTBOOT_STORAGE_MMC*/
default:
printf("Unsupported bootup device for recovery: dev: %d\n",
bootdev);
return;
}
printf("setup env for recovery..\n");
setenv("bootcmd", "run bootcmd_android_recovery");
}
#endif /*CONFIG_ANDROID_RECOVERY*/
#endif /*CONFIG_FSL_FASTBOOT*/