diff options
Diffstat (limited to 'board/softing/vining_2000/vining_2000.c')
| -rw-r--r-- | board/softing/vining_2000/vining_2000.c | 434 |
1 files changed, 434 insertions, 0 deletions
diff --git a/board/softing/vining_2000/vining_2000.c b/board/softing/vining_2000/vining_2000.c new file mode 100644 index 0000000000..19b9b37276 --- /dev/null +++ b/board/softing/vining_2000/vining_2000.c @@ -0,0 +1,434 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 samtec automotive software & electronics gmbh + * Copyright (C) 2017-2019 softing automotive electronics gmbH + * + * Author: Christoph Fritz <chf.fritz@googlemail.com> + */ + +#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/mach-imx/iomux-v3.h> +#include <asm/io.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <linux/sizes.h> +#include <common.h> +#include <environment.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 <usb.h> +#include <usb/ehci-ci.h> +#include <pwm.h> +#include <wait_bit.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \ + PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ + PAD_CTL_SRE_FAST) + +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PKE | \ + PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | \ + PAD_CTL_SRE_FAST) + +#define ENET_CLK_PAD_CTRL PAD_CTL_DSE_34ohm + +#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | \ + PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_HIGH | \ + PAD_CTL_SRE_FAST) + +#define I2C_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \ + PAD_CTL_PKE | PAD_CTL_ODE | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm) + +#define USDHC_CLK_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST) + +#define USDHC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \ + PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_80ohm | \ + PAD_CTL_SRE_FAST) + +#define USDHC_RESET_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \ + PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_80ohm) + +#define GPIO_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \ + PAD_CTL_PKE) + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +static iomux_v3_cfg_t const fec1_pads[] = { + MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_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_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_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL) | + MUX_MODE_SION, + /* LAN8720 PHY Reset */ + MX6_PAD_RGMII1_TD3__GPIO5_IO_9 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const pwm_led_pads[] = { + MX6_PAD_RGMII2_RD2__PWM2_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), /* green */ + MX6_PAD_RGMII2_TD2__PWM6_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), /* red */ + MX6_PAD_RGMII2_RD3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), /* blue */ +}; + +#define PHY_RESET IMX_GPIO_NR(5, 9) + +int board_eth_init(bd_t *bis) +{ + struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + int ret; + unsigned char eth1addr[6]; + + /* just to get secound mac address */ + imx_get_mac_from_fuse(1, eth1addr); + if (!env_get("eth1addr") && is_valid_ethaddr(eth1addr)) + eth_env_set_enetaddr("eth1addr", eth1addr); + + imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); + + /* + * Generate phy reference clock via pin IOMUX ENET_REF_CLK1/2 by erasing + * ENET1/2_TX_CLK_DIR gpr1[14:13], so that reference clock is driven by + * ref_enetpll0/1 and enable ENET1/2_TX_CLK output driver. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], + IOMUX_GPR1_FEC1_CLOCK_MUX2_SEL_MASK | + IOMUX_GPR1_FEC2_CLOCK_MUX2_SEL_MASK, + IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK | + IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK); + + ret = enable_fec_anatop_clock(0, ENET_50MHZ); + if (ret) + goto eth_fail; + + /* reset phy */ + gpio_request(PHY_RESET, "PHY-reset"); + gpio_direction_output(PHY_RESET, 0); + mdelay(16); + gpio_set_value(PHY_RESET, 1); + mdelay(1); + + ret = fecmxc_initialize_multi(bis, 0, CONFIG_FEC_MXC_PHYADDR, + IMX_FEC_BASE); + if (ret) + goto eth_fail; + + return ret; + +eth_fail: + printf("FEC MXC: %s:failed (%i)\n", __func__, ret); + gpio_set_value(PHY_RESET, 0); + return ret; +} + +#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), + }, +}; + +static struct pmic *pfuze_init(unsigned char i2cbus) +{ + struct pmic *p; + int ret; + u32 reg; + + ret = power_pfuze100_init(i2cbus); + if (ret) + return NULL; + + p = pmic_get("PFUZE100"); + ret = pmic_probe(p); + if (ret) + return NULL; + + pmic_reg_read(p, PFUZE100_DEVICEID, ®); + printf("PMIC: PFUZE100 ID=0x%02x\n", reg); + + /* Set SW1AB stanby volage to 0.975V */ + pmic_reg_read(p, PFUZE100_SW1ABSTBY, ®); + reg &= ~SW1x_STBY_MASK; + reg |= SW1x_0_975V; + pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg); + + /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PFUZE100_SW1ABCONF, ®); + reg &= ~SW1xCONF_DVSSPEED_MASK; + reg |= SW1xCONF_DVSSPEED_4US; + pmic_reg_write(p, PFUZE100_SW1ABCONF, reg); + + /* Set SW1C standby voltage to 0.975V */ + pmic_reg_read(p, PFUZE100_SW1CSTBY, ®); + reg &= ~SW1x_STBY_MASK; + reg |= SW1x_0_975V; + pmic_reg_write(p, PFUZE100_SW1CSTBY, reg); + + /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PFUZE100_SW1CCONF, ®); + reg &= ~SW1xCONF_DVSSPEED_MASK; + reg |= SW1xCONF_DVSSPEED_4US; + pmic_reg_write(p, PFUZE100_SW1CCONF, reg); + + return p; +} + +static int pfuze_mode_init(struct pmic *p, u32 mode) +{ + unsigned char offset, i, switch_num; + u32 id; + int ret; + + pmic_reg_read(p, PFUZE100_DEVICEID, &id); + id = id & 0xf; + + if (id == 0) { + switch_num = 6; + offset = PFUZE100_SW1CMODE; + } else if (id == 1) { + switch_num = 4; + offset = PFUZE100_SW2MODE; + } else { + printf("Not supported, id=%d\n", id); + return -EINVAL; + } + + ret = pmic_reg_write(p, PFUZE100_SW1ABMODE, mode); + if (ret < 0) { + printf("Set SW1AB mode error!\n"); + return ret; + } + + for (i = 0; i < switch_num - 1; i++) { + ret = pmic_reg_write(p, offset + i * SWITCH_SIZE, mode); + if (ret < 0) { + printf("Set switch 0x%x mode error!\n", + offset + i * SWITCH_SIZE); + return ret; + } + } + + return ret; +} + +int power_init_board(void) +{ + struct pmic *p; + int ret; + + p = pfuze_init(I2C_PMIC); + if (!p) + return -ENODEV; + + ret = pfuze_mode_init(p, APS_PFM); + if (ret < 0) + return ret; + + return 0; +} + +#ifdef CONFIG_USB_EHCI_MX6 +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(NO_PAD_CTRL), + /* OTG2 */ + MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL) +}; + +static void setup_iomux_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); +} +#endif + +#ifdef CONFIG_PWM_IMX +static int set_pwm_leds(void) +{ + int ret; + + imx_iomux_v3_setup_multiple_pads(pwm_led_pads, + ARRAY_SIZE(pwm_led_pads)); + /* enable backlight PWM 2, green LED */ + ret = pwm_init(1, 0, 0); + if (ret) + goto error; + /* duty cycle 200ns, period: 8000ns */ + ret = pwm_config(1, 200, 8000); + if (ret) + goto error; + ret = pwm_enable(1); + if (ret) + goto error; + + /* enable backlight PWM 1, blue LED */ + ret = pwm_init(0, 0, 0); + if (ret) + goto error; + /* duty cycle 200ns, period: 8000ns */ + ret = pwm_config(0, 200, 8000); + if (ret) + goto error; + ret = pwm_enable(0); + if (ret) + goto error; + + /* enable backlight PWM 6, red LED */ + ret = pwm_init(5, 0, 0); + if (ret) + goto error; + /* duty cycle 200ns, period: 8000ns */ + ret = pwm_config(5, 200, 8000); + if (ret) + goto error; + ret = pwm_enable(5); + +error: + return ret; +} +#else +static int set_pwm_leds(void) +{ + return 0; +} +#endif + +#define ADCx_HC0 0x00 +#define ADCx_HS 0x08 +#define ADCx_HS_C0 BIT(0) +#define ADCx_R0 0x0c +#define ADCx_CFG 0x14 +#define ADCx_CFG_SWMODE 0x308 +#define ADCx_GC 0x18 +#define ADCx_GC_CAL BIT(7) + +static int read_adc(u32 *val) +{ + int ret; + void __iomem *b = map_physmem(ADC1_BASE_ADDR, 0x100, MAP_NOCACHE); + + /* use software mode */ + writel(ADCx_CFG_SWMODE, b + ADCx_CFG); + + /* start auto calibration */ + setbits_le32(b + ADCx_GC, ADCx_GC_CAL); + ret = wait_for_bit_le32(b + ADCx_GC, ADCx_GC_CAL, ADCx_GC_CAL, 10, 0); + if (ret) + goto adc_exit; + + /* start conversion */ + writel(0, b + ADCx_HC0); + + /* wait for conversion */ + ret = wait_for_bit_le32(b + ADCx_HS, ADCx_HS_C0, ADCx_HS_C0, 10, 0); + if (ret) + goto adc_exit; + + /* read result */ + *val = readl(b + ADCx_R0); + +adc_exit: + if (ret) + printf("ADC failure (ret=%i)\n", ret); + unmap_physmem(b, MAP_NOCACHE); + return ret; +} + +#define VAL_UPPER 2498 +#define VAL_LOWER 1550 + +static int set_pin_state(void) +{ + u32 val; + int ret; + + ret = read_adc(&val); + if (ret) + return ret; + + if (val >= VAL_UPPER) + env_set("pin_state", "connected"); + else if (val < VAL_UPPER && val > VAL_LOWER) + env_set("pin_state", "open"); + else + env_set("pin_state", "button"); + + return ret; +} + +int board_late_init(void) +{ + int ret; + + ret = set_pwm_leds(); + if (ret) + return ret; + + ret = set_pin_state(); + + return ret; +} + +int board_early_init_f(void) +{ + setup_iomux_usb(); + + return 0; +} + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_SYS_I2C_MXC + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); +#endif + + return 0; +} + +int checkboard(void) +{ + puts("Board: VIN|ING 2000\n"); + + return 0; +} |