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/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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/gpio.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/io.h>
#include <common.h>
#include <i2c.h>
#include <miiphy.h>
#include <fsl_esdhc.h>
#include <linux/sizes.h>
#include <mmc.h>
#include <mxsfb.h>
#include <asm/imx-common/video.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
#include "../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 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 GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
PAD_CTL_SRE_FAST)
#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
#ifdef CONFIG_SYS_I2C
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC and EEPROM */
static struct i2c_pads_info i2c_pad_info1 = {
.scl = {
.i2c_mode = MX6_PAD_UART4_TX_DATA__I2C1_SCL | PC,
.gpio_mode = MX6_PAD_UART4_TX_DATA__GPIO1_IO28 | PC,
.gp = IMX_GPIO_NR(1, 28),
},
.sda = {
.i2c_mode = MX6_PAD_UART4_RX_DATA__I2C1_SDA | PC,
.gpio_mode = MX6_PAD_UART4_RX_DATA__GPIO1_IO29 | PC,
.gp = IMX_GPIO_NR(1, 29),
},
};
#ifdef CONFIG_POWER
#define I2C_PMIC 0
int power_init_board(void)
{
if (is_mx6ull_9x9_evk()) {
struct pmic *pfuze;
int ret;
unsigned int reg, rev_id;
ret = power_pfuze3000_init(I2C_PMIC);
if (ret)
return ret;
pfuze = pmic_get("PFUZE3000");
ret = pmic_probe(pfuze);
if (ret)
return ret;
pmic_reg_read(pfuze, PFUZE3000_DEVICEID, ®);
pmic_reg_read(pfuze, 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(pfuze, PFUZE3000_LDOGCTL, ®);
reg |= 0x1;
pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, reg);
/* SW1B step ramp up time from 2us to 4us/25mV */
reg = 0x40;
pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, reg);
/* SW1B mode to APS/PFM */
reg = 0xc;
pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, reg);
/* SW1B standby voltage set to 0.975V */
reg = 0xb;
pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, reg);
}
return 0;
}
#ifdef CONFIG_LDO_BYPASS_CHECK
void ldo_mode_set(int ldo_bypass)
{
unsigned int value;
u32 vddarm;
struct pmic *p = pmic_get("PFUZE3000");
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, PFUZE3000_SW1BVOLT, &value);
value &= ~0x1f;
value |= PFUZE3000_SW1AB_SETP(1275);
pmic_reg_write(p, PFUZE3000_SW1BVOLT, value);
set_anatop_bypass(1);
vddarm = PFUZE3000_SW1AB_SETP(1175);
pmic_reg_read(p, PFUZE3000_SW1BVOLT, &value);
value &= ~0x1f;
value |= vddarm;
pmic_reg_write(p, PFUZE3000_SW1BVOLT, value);
finish_anatop_bypass();
printf("switch to ldo_bypass mode!\n");
}
}
#endif
#endif
#endif
#ifdef CONFIG_DM_PMIC
int power_init_board(void)
{
struct udevice *dev;
int ret, dev_id, rev_id;
unsigned int reg;
ret = pmic_get("pfuze3000", &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 */
reg = pmic_reg_read(dev, PFUZE3000_LDOGCTL);
reg |= 0x1;
pmic_reg_write(dev, PFUZE3000_LDOGCTL, reg);
/* SW1B step ramp up time from 2us to 4us/25mV */
reg = 0x40;
pmic_reg_write(dev, PFUZE3000_SW1BCONF, reg);
/* SW1B mode to APS/PFM */
reg = 0xc;
pmic_reg_write(dev, PFUZE3000_SW1BMODE, reg);
/* SW1B standby voltage set to 0.975V */
reg = 0xb;
pmic_reg_write(dev, PFUZE3000_SW1BSTBY, reg);
return 0;
}
#ifdef CONFIG_LDO_BYPASS_CHECK
void ldo_mode_set(int ldo_bypass)
{
unsigned int value;
u32 vddarm;
struct udevice *dev;
int ret;
ret = pmic_get("pfuze3000", &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 */
value = pmic_reg_read(dev, PFUZE3000_SW1BVOLT);
value &= ~0x1f;
value |= PFUZE3000_SW1AB_SETP(1275);
pmic_reg_write(dev, PFUZE3000_SW1BVOLT, value);
set_anatop_bypass(1);
vddarm = PFUZE3000_SW1AB_SETP(1175);
value = pmic_reg_read(dev, PFUZE3000_SW1BVOLT);
value &= ~0x1f;
value |= vddarm;
pmic_reg_write(dev, PFUZE3000_SW1BVOLT, value);
finish_anatop_bypass();
printf("switch to ldo_bypass mode!\n");
}
}
#endif
#endif
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}
static iomux_v3_cfg_t const uart1_pads[] = {
MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
}
#ifdef CONFIG_FSL_QSPI
#ifndef CONFIG_DM_SPI
#define QSPI_PAD_CTRL1 \
(PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_120ohm)
static iomux_v3_cfg_t const quadspi_pads[] = {
MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_READY_B__QSPI_A_DATA00 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_CE0_B__QSPI_A_DATA01 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_CE1_B__QSPI_A_DATA02 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_CLE__QSPI_A_DATA03 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
MX6_PAD_NAND_DQS__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
};
#endif
static 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(0);
return 0;
}
#endif
#ifdef CONFIG_NAND_MXS
static iomux_v3_cfg_t const nand_pads[] = {
MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_CE1_B__RAWNAND_CE1_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
MX6_PAD_NAND_DQS__RAWNAND_DQS | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
};
static void setup_gpmi_nand(void)
{
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
/* config gpmi nand iomux */
imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads));
setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) |
(3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET));
/* enable apbh clock gating */
setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
}
#endif
#ifdef CONFIG_FEC_MXC
static int setup_fec(int fec_id)
{
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
int ret;
if (fec_id == 0) {
/*
* Use 50M anatop loopback REF_CLK1 for ENET1,
* clear gpr1[13], set gpr1[17].
*/
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
} else {
/*
* Use 50M anatop loopback REF_CLK2 for ENET2,
* clear gpr1[14], set gpr1[18].
*/
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
}
ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
if (ret)
return ret;
enable_enet_clk(1);
return 0;
}
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;
}
#endif
int board_mmc_get_env_dev(int devno)
{
return devno;
}
int mmc_map_to_kernel_blk(int devno)
{
return devno;
}
#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_RST */
MX6_PAD_SNVS_TAMPER9__GPIO5_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* Use GPIO for Brightness adjustment, duty cycle = period. */
MX6_PAD_GPIO1_IO08__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
void do_enable_parallel_lcd(struct display_info_t const *dev)
{
enable_lcdif_clock(dev->bus, 1);
imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
/* Reset the LCD */
gpio_request(IMX_GPIO_NR(5, 9), "lcd reset");
gpio_direction_output(IMX_GPIO_NR(5, 9) , 0);
udelay(500);
gpio_direction_output(IMX_GPIO_NR(5, 9) , 1);
/* Set Brightness to high */
gpio_request(IMX_GPIO_NR(1, 8), "backlight");
gpio_direction_output(IMX_GPIO_NR(1, 8) , 1);
}
struct display_info_t const displays[] = {{
.bus = MX6UL_LCDIF1_BASE_ADDR,
.addr = 0,
.pixfmt = 24,
.detect = NULL,
.enable = do_enable_parallel_lcd,
.mode = {
.name = "TFT43AB",
.xres = 480,
.yres = 272,
.pixclock = 108695,
.left_margin = 8,
.right_margin = 4,
.upper_margin = 2,
.lower_margin = 4,
.hsync_len = 41,
.vsync_len = 10,
.sync = 0,
.vmode = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);
#endif
int board_early_init_f(void)
{
setup_iomux_uart();
return 0;
}
int board_init(void)
{
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_SYS_I2C
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
#endif
#ifdef CONFIG_FEC_MXC
setup_fec(CONFIG_FEC_ENET_DEV);
#endif
#ifdef CONFIG_FSL_QSPI
board_qspi_init();
#endif
#ifdef CONFIG_NAND_MXS
setup_gpmi_nand();
#endif
return 0;
}
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
{"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
{"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
{NULL, 0},
};
#endif
int board_late_init(void)
{
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
setenv("board_name", "EVK");
if (is_mx6ull_9x9_evk())
setenv("board_rev", "9X9");
else
setenv("board_rev", "14X14");
#endif
#ifdef CONFIG_ENV_IS_IN_MMC
board_late_mmc_env_init();
#endif
set_wdog_reset((struct wdog_regs *)WDOG1_BASE_ADDR);
return 0;
}
int checkboard(void)
{
if (is_mx6ull_9x9_evk())
puts("Board: MX6ULL 9x9 EVK\n");
else
puts("Board: MX6ULL 14x14 EVK\n");
return 0;
}
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