[U-Boot] [PATCH v6] mx6sx: Add initial support for Samtec VIN|ING 2000 board
Marek Vasut
marex at denx.de
Tue Nov 29 18:24:04 CET 2016
On 11/29/2016 04:21 PM, Stefano Babic wrote:
> On 29/11/2016 16:13, Christoph Fritz wrote:
>> This patch adds initial support for Samtec VIN|ING 2000 board.
>>
>> Signed-off-by: Christoph Fritz <chf.fritz at googlemail.com>
>> ---
>> Changes since v1:
>> - add more comments (enet phy init)
>> - fix layout style e.g. multi-line-comments
>> - use pinmux macros
>> - use helper funcs clrsetbits_le32() and wait_for_bit()
>> - make some functions static
>> - drop board_ehci_hcd_init() and board_phy_config()
>> - simplify environment
>> Changes since v2:
>> - adapt error handling in board_eth_init() and read_adc()
>> - purge unused macros
>> - use config_distro_bootcmd as environment
>> - fix CONFIG_PWM_IMX undef handling
>> Changes since v3:
>> - fix comment spelling
>> - use u32
>> - rearrange if condition
>> Changes since v4:
>> - use parent error codes
>> - rename config string to TARGET_SAMTEC_VINING_2000
>> Changes since v5:
>> - simplify board_eth_init() error message
>>
>> arch/arm/cpu/armv7/mx6/Kconfig | 7 +
>> board/samtec/vining_2000/Kconfig | 12 +
>> board/samtec/vining_2000/MAINTAINERS | 6 +
>> board/samtec/vining_2000/Makefile | 6 +
>> board/samtec/vining_2000/imximage.cfg | 132 +++++++++
>> board/samtec/vining_2000/vining_2000.c | 517 +++++++++++++++++++++++++++++++++
>> configs/vining_2000_defconfig | 31 ++
>> include/configs/vining_2000.h | 123 ++++++++
>> 8 files changed, 834 insertions(+)
>> create mode 100644 board/samtec/vining_2000/Kconfig
>> create mode 100644 board/samtec/vining_2000/MAINTAINERS
>> create mode 100644 board/samtec/vining_2000/Makefile
>> create mode 100644 board/samtec/vining_2000/imximage.cfg
>> create mode 100644 board/samtec/vining_2000/vining_2000.c
>> create mode 100644 configs/vining_2000_defconfig
>> create mode 100644 include/configs/vining_2000.h
>>
>> diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
>> index 762a581..057b8cd 100644
>> --- a/arch/arm/cpu/armv7/mx6/Kconfig
>> +++ b/arch/arm/cpu/armv7/mx6/Kconfig
>> @@ -192,6 +192,12 @@ config TARGET_UDOO
>> bool "udoo"
>> select SUPPORT_SPL
>>
>> +config TARGET_SAMTEC_VINING_2000
>> + bool "samtec VIN|ING 2000"
>> + select MX6SX
>> + select DM
>> + select DM_THERMAL
>> +
>> config TARGET_WANDBOARD
>> bool "wandboard"
>> select SUPPORT_SPL
>> @@ -247,6 +253,7 @@ source "board/freescale/mx6ullevk/Kconfig"
>> source "board/phytec/pcm058/Kconfig"
>> source "board/gateworks/gw_ventana/Kconfig"
>> source "board/kosagi/novena/Kconfig"
>> +source "board/samtec/vining_2000/Kconfig"
>> source "board/seco/Kconfig"
>> source "board/solidrun/mx6cuboxi/Kconfig"
>> source "board/technexion/pico-imx6ul/Kconfig"
>> diff --git a/board/samtec/vining_2000/Kconfig b/board/samtec/vining_2000/Kconfig
>> new file mode 100644
>> index 0000000..3447c27
>> --- /dev/null
>> +++ b/board/samtec/vining_2000/Kconfig
>> @@ -0,0 +1,12 @@
>> +if TARGET_SAMTEC_VINING_2000
>> +
>> +config SYS_BOARD
>> + default "vining_2000"
>> +
>> +config SYS_VENDOR
>> + default "samtec"
>> +
>> +config SYS_CONFIG_NAME
>> + default "vining_2000"
>> +
>> +endif
>> diff --git a/board/samtec/vining_2000/MAINTAINERS b/board/samtec/vining_2000/MAINTAINERS
>> new file mode 100644
>> index 0000000..027e527
>> --- /dev/null
>> +++ b/board/samtec/vining_2000/MAINTAINERS
>> @@ -0,0 +1,6 @@
>> +VINING_2000 BOARD
>> +M: Ingo Schroeck <open-source at samtec.de>
>> +S: Maintained
>> +F: board/samtec/vining_2000/
>> +F: include/configs/vining_2000.h
>> +F: configs/vining_2000_defconfig
>> diff --git a/board/samtec/vining_2000/Makefile b/board/samtec/vining_2000/Makefile
>> new file mode 100644
>> index 0000000..1b32f66
>> --- /dev/null
>> +++ b/board/samtec/vining_2000/Makefile
>> @@ -0,0 +1,6 @@
>> +# (C) Copyright 2016 samtec automotive software & electronics gmbh
>> +#
>> +# SPDX-License-Identifier: GPL-2.0+
>> +#
>> +
>> +obj-y := vining_2000.o
>> diff --git a/board/samtec/vining_2000/imximage.cfg b/board/samtec/vining_2000/imximage.cfg
>> new file mode 100644
>> index 0000000..4133dda
>> --- /dev/null
>> +++ b/board/samtec/vining_2000/imximage.cfg
>> @@ -0,0 +1,132 @@
>> +/*
>> + * Copyright (C) 2016 samtec automotive software & electronics gmbh
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#define __ASSEMBLY__
>> +#include <config.h>
>> +
>> +/* image version */
>> +
>> +IMAGE_VERSION 2
>> +
>> +/*
>> + * Boot Device : one of
>> + * spi/sd/nand/onenand, qspi/nor
>> + */
>> +
>> +BOOT_FROM sd
>> +
>> +/*
>> + * Device Configuration Data (DCD)
>> + *
>> + * Each entry must have the format:
>> + * Addr-type Address Value
>> + *
>> + * where:
>> + * Addr-type register length (1,2 or 4 bytes)
>> + * Address absolute address of the register
>> + * value value to be stored in the register
>> + */
>> +
>> +/* Enable all clocks */
>> +DATA 4 0x020c4068 0xffffffff
>> +DATA 4 0x020c406c 0xffffffff
>> +DATA 4 0x020c4070 0xffffffff
>> +DATA 4 0x020c4074 0xffffffff
>> +DATA 4 0x020c4078 0xffffffff
>> +DATA 4 0x020c407c 0xffffffff
>> +DATA 4 0x020c4080 0xffffffff
>> +DATA 4 0x020c4084 0xffffffff
>> +
>> +/* IOMUX - DDR IO Type */
>> +DATA 4 0x020e0618 0x000c0000
>> +DATA 4 0x020e05fc 0x00000000
>> +
>> +/* Clock */
>> +DATA 4 0x020e032c 0x00000030
>> +
>> +/* Address */
>> +DATA 4 0x020e0300 0x00000028
>> +DATA 4 0x020e02fc 0x00000028
>> +DATA 4 0x020e05f4 0x00000028
>> +
>> +/* Control */
>> +DATA 4 0x020e0340 0x00000028
>> +
>> +DATA 4 0x020e0320 0x00000000
>> +DATA 4 0x020e0310 0x00000028
>> +DATA 4 0x020e0314 0x00000028
>> +DATA 4 0x020e0614 0x00000028
>> +
>> +/* Data Strobe */
>> +DATA 4 0x020e05f8 0x00020000
>> +DATA 4 0x020e0330 0x00000028
>> +DATA 4 0x020e0334 0x00000028
>> +DATA 4 0x020e0338 0x00000028
>> +DATA 4 0x020e033c 0x00000028
>> +
>> +/* Data */
>> +DATA 4 0x020e0608 0x00020000
>> +DATA 4 0x020e060c 0x00000028
>> +DATA 4 0x020e0610 0x00000028
>> +DATA 4 0x020e061c 0x00000028
>> +DATA 4 0x020e0620 0x00000028
>> +DATA 4 0x020e02ec 0x00000028
>> +DATA 4 0x020e02f0 0x00000028
>> +DATA 4 0x020e02f4 0x00000028
>> +DATA 4 0x020e02f8 0x00000028
>> +
>> +/* Calibrations - ZQ */
>> +DATA 4 0x021b0800 0xa1390003
>> +
>> +/* Write leveling */
>> +DATA 4 0x021b080c 0x00290025
>> +DATA 4 0x021b0810 0x00210022
>> +
>> +/* DQS Read Gate */
>> +DATA 4 0x021b083c 0x4142013a
>> +DATA 4 0x021b0840 0x012e0123
>> +
>> +/* Read/Write Delay */
>> +DATA 4 0x021b0848 0x43474949
>> +DATA 4 0x021b0850 0x38383c38
>> +
>> +/* Read data bit delay */
>> +DATA 4 0x021b081c 0x33333333
>> +DATA 4 0x021b0820 0x33333333
>> +DATA 4 0x021b0824 0x33333333
>> +DATA 4 0x021b0828 0x33333333
>> +
>> +/* Complete calibration by forced measurement */
>> +DATA 4 0x021b08b8 0x00000800
>> +
>> +/* MMDC init - DDR3, 64-bit mode, only MMDC0 is initiated */
>> +DATA 4 0x021b0004 0x0002002d
>> +DATA 4 0x021b0008 0x00333040
>> +DATA 4 0x021b000c 0x676b52f2
>> +DATA 4 0x021b0010 0x926e8b63
>> +DATA 4 0x021b0014 0x01ff00db
>> +DATA 4 0x021b0018 0x00011740
>> +DATA 4 0x021b001c 0x00008000
>> +DATA 4 0x021b002c 0x000026d2
>> +DATA 4 0x021b0030 0x006b1023
>> +DATA 4 0x021b0040 0x0000005f
>> +DATA 4 0x021b0000 0x84190000
>> +
>> +/* Initialize MT41K256M16HA-125 - MR2 */
>> +DATA 4 0x021b001c 0x02008032
>> +/* MR3 */
>> +DATA 4 0x021b001c 0x00008033
>> +/* MR1 */
>> +DATA 4 0x021b001c 0x00048031
>> +/* MR0 */
>> +DATA 4 0x021b001c 0x15108030
>> +/* DDR device ZQ calibration */
>> +DATA 4 0x021b001c 0x04008040
>> +
>> +/* Final DDR setup, before operation start */
>> +DATA 4 0x021b0020 0x00007800
>> +DATA 4 0x021b0818 0x00022227
>> +DATA 4 0x021b001c 0x00000000
>> diff --git a/board/samtec/vining_2000/vining_2000.c b/board/samtec/vining_2000/vining_2000.c
>> new file mode 100644
>> index 0000000..c92f37c
>> --- /dev/null
>> +++ b/board/samtec/vining_2000/vining_2000.c
>> @@ -0,0 +1,517 @@
>> +/*
>> + * Copyright (C) 2016 samtec automotive software & electronics gmbh
>> + *
>> + * Author: Christoph Fritz <chf.fritz at googlemail.com>
>> + *
>> + * 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/iomux-v3.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 <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 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 uart1_pads[] = {
>> + MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
>> + MX6_PAD_GPIO1_IO05__UART1_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_CLK_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),
>> + MX6_PAD_LCD1_VSYNC__GPIO3_IO_28 | MUX_PAD_CTRL(GPIO_PAD_CTRL),
>> +};
>> +
>> +static iomux_v3_cfg_t const usdhc4_pads[] = {
>> + MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_CLK_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),
>> +};
>> +
>> +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 */
>> +};
>> +
>> +static void setup_iomux_uart(void)
>> +{
>> + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
>> +}
>> +
>> +#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 (!getenv("eth1addr") && is_valid_ethaddr(eth1addr))
>> + eth_setenv_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_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("ADC", 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("ADC", 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)
>> + setenv("pin_state", "connected");
>> + else if (val < VAL_UPPER && val > VAL_LOWER)
>> + setenv("pin_state", "open");
>> + else
>> + setenv("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_uart();
>> +
>> + setup_iomux_usb();
>> +
>> + return 0;
>> +}
>> +
>> +static struct fsl_esdhc_cfg usdhc_cfg[2] = {
>> + {USDHC4_BASE_ADDR, 0, 8},
>> + {USDHC2_BASE_ADDR, 0, 4},
>> +};
>> +
>> +#define USDHC2_CD_GPIO IMX_GPIO_NR(3, 28)
>> +
>> +int board_mmc_getcd(struct mmc *mmc)
>> +{
>> + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
>> +
>> + if (cfg->esdhc_base == USDHC4_BASE_ADDR)
>> + return 1;
>> + if (cfg->esdhc_base == USDHC2_BASE_ADDR)
>> + return !gpio_get_value(USDHC2_CD_GPIO);
>> +
>> + return -EINVAL;
>> +}
>> +
>> +int board_mmc_init(bd_t *bis)
>> +{
>> + int ret;
>> +
>> + /*
>> + * According to the board_mmc_init() the following map is done:
>> + * (U-Boot device node) (Physical Port)
>> + * mmc0 USDHC4
>> + * mmc1 USDHC2
>> + */
>> + imx_iomux_v3_setup_multiple_pads(
>> + usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
>> + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
>> +
>> + imx_iomux_v3_setup_multiple_pads(
>> + usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
>> + gpio_direction_input(USDHC2_CD_GPIO);
>> + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
>> +
>> + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
>> + if (ret) {
>> + printf("Warning: failed to initialize USDHC4\n");
>> + return ret;
>> + }
>> +
>> + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
>> + if (ret) {
>> + printf("Warning: failed to initialize USDHC2\n");
>> + return ret;
>> + }
>> +
>> + 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;
>> +}
>> diff --git a/configs/vining_2000_defconfig b/configs/vining_2000_defconfig
>> new file mode 100644
>> index 0000000..b1f64f1
>> --- /dev/null
>> +++ b/configs/vining_2000_defconfig
>> @@ -0,0 +1,31 @@
>> +CONFIG_ARM=y
>> +CONFIG_ARCH_MX6=y
>> +CONFIG_TARGET_SAMTEC_VINING_2000=y
>> +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/samtec/vining_2000/imximage.cfg"
>> +CONFIG_BOOTDELAY=0
>> +CONFIG_CONSOLE_MUX is not set
>> +CONFIG_SYS_CONSOLE_IS_IN_ENV=y
>> +CONFIG_HUSH_PARSER=y
>> +CONFIG_CMD_BOOTZ=y
>> +# CONFIG_CMD_IMLS is not set
>> +# CONFIG_CMD_FLASH is not set
>> +CONFIG_CMD_MMC=y
>> +CONFIG_CMD_I2C=y
>> +CONFIG_CMD_USB=y
>> +CONFIG_CMD_GPIO=y
>> +# CONFIG_CMD_SETEXPR is not set
>> +CONFIG_CMD_DHCP=y
>> +CONFIG_CMD_MII=y
>> +CONFIG_CMD_PING=y
>> +CONFIG_CMD_CACHE=y
>> +CONFIG_CMD_TIME=y
>> +CONFIG_CMD_EXT2=y
>> +CONFIG_CMD_EXT4=y
>> +CONFIG_CMD_EXT4_WRITE=y
>> +CONFIG_CMD_FAT=y
>> +CONFIG_CMD_FS_GENERIC=y
>> +CONFIG_PCI=y
>> +CONFIG_USB=y
>> +CONFIG_USB_STORAGE=y
>> +CONFIG_OF_LIBFDT=y
>> +CONFIG_MXC_USB_OTG_HACTIVE=y
>> diff --git a/include/configs/vining_2000.h b/include/configs/vining_2000.h
>> new file mode 100644
>> index 0000000..235574d
>> --- /dev/null
>> +++ b/include/configs/vining_2000.h
>> @@ -0,0 +1,123 @@
>> +/*
>> + * Copyright (C) 2016 samtec automotive software & electronics gmbh
>> + *
>> + * Configuration settings for the Samtec VIN|ING 2000 board.
>> + *
>> + * SPDX-License-Identifier: GPL-2.0+
>> + */
>> +
>> +#ifndef __CONFIG_H
>> +#define __CONFIG_H
>> +
>> +#include "mx6_common.h"
>> +
>> +#ifdef CONFIG_SPL
>> +#include "imx6_spl.h"
>> +#endif
>> +
>> +/* Size of malloc() pool */
>> +#define CONFIG_SYS_MALLOC_LEN (3 * SZ_1M)
>> +
>> +#define CONFIG_BOARD_EARLY_INIT_F
>> +
>> +#define CONFIG_MXC_UART
>> +#define CONFIG_MXC_UART_BASE UART1_BASE
>> +
>> +#define BOOT_TARGET_DEVICES(func) \
>> + func(MMC, mmc, 0) \
>> + func(MMC, mmc, 1) \
>> + func(USB, usb, 0) \
>> + func(PXE, pxe, na) \
>> + func(DHCP, dhcp, na)
>> +#include <config_distro_bootcmd.h>
>> +
>> +/* Miscellaneous configurable options */
>> +#define CONFIG_SYS_MEMTEST_START 0x80000000
>> +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x10000)
>> +
>> +#define CONFIG_STACKSIZE SZ_128K
>> +
>> +/* Physical Memory Map */
>> +#define CONFIG_NR_DRAM_BANKS 1
>> +#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR
>> +
>> +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
>> +#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
>> +#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE
>> +
>> +#define CONFIG_SYS_INIT_SP_OFFSET \
>> + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
>> +#define CONFIG_SYS_INIT_SP_ADDR \
>> + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
>> +
>> +/* MMC Configuration */
>> +#define CONFIG_SYS_FSL_ESDHC_ADDR USDHC4_BASE_ADDR
>> +
>> +/* I2C Configs */
>> +#define CONFIG_SYS_I2C
>> +#define CONFIG_SYS_I2C_MXC
>> +#define CONFIG_SYS_I2C_MXC_I2C1 /* enable I2C bus 1 */
>> +#define CONFIG_SYS_I2C_MXC_I2C3 /* enable I2C bus 3 */
>> +#define CONFIG_SYS_I2C_SPEED 100000
>> +
>> +/* PMIC */
>> +#define CONFIG_POWER
>> +#define CONFIG_POWER_I2C
>> +#define CONFIG_POWER_PFUZE100
>> +#define CONFIG_POWER_PFUZE100_I2C_ADDR 0x08
>> +
>> +/* Network */
>> +#define CONFIG_FEC_MXC
>> +#define CONFIG_MII
>> +
>> +#define IMX_FEC_BASE ENET_BASE_ADDR
>> +#define CONFIG_FEC_MXC_PHYADDR 0x0
>> +
>> +#define CONFIG_FEC_XCV_TYPE RMII
>> +#define CONFIG_ETHPRIME "FEC"
>> +
>> +#define CONFIG_PHYLIB
>> +#define CONFIG_PHY_ATHEROS
>> +
>> +#ifdef CONFIG_CMD_USB
>> +#define CONFIG_USB_EHCI
>> +#define CONFIG_USB_EHCI_MX6
>> +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
>> +#define CONFIG_USB_HOST_ETHER
>> +#define CONFIG_USB_ETHER_ASIX
>> +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
>> +#define CONFIG_MXC_USB_FLAGS 0
>> +#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
>> +#endif
>> +
>> +#define CONFIG_CMD_PCI
>> +#ifdef CONFIG_CMD_PCI
>> +#define CONFIG_PCI_SCAN_SHOW
>> +#define CONFIG_PCIE_IMX
>> +#define CONFIG_PCIE_IMX_PERST_GPIO IMX_GPIO_NR(4, 6)
>> +#endif
>> +
>> +#define CONFIG_IMX_THERMAL
>> +
>> +#define CONFIG_PWM_IMX
>> +#define CONFIG_IMX6_PWM_PER_CLK 66000000
>> +#define CONFIG_BOARD_LATE_INIT
>> +
>> +#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
>> +#define CONFIG_ENV_OFFSET (8 * SZ_64K)
>> +#define CONFIG_ENV_SIZE SZ_8K
>> +#define CONFIG_ENV_OFFSET_REDUND (9 * SZ_64K)
>> +#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
>> +#define CONFIG_ENV_IS_IN_MMC
>> +
>> +#ifdef CONFIG_ENV_IS_IN_MMC
>> +#define CONFIG_SUPPORT_EMMC_BOOT
>> +#define CONFIG_EFI_PARTITION
>> +#define CONFIG_DOS_PARTITION
>> +#define CONFIG_SUPPORT_EMMC_RPMB
>> +#define CONFIG_SYS_MMC_ENV_DEV 0 /* USDHC4 eMMC */
>> +/* 0=user, 1=boot0, 2=boot1, * 4..7=general0..3. */
>> +#define CONFIG_SYS_MMC_ENV_PART 1 /* boot0 */
>> +#endif
>> +
>> +#endif /* __CONFIG_H */
>>
>
> Reviewed-by: Stefano Babic <sbabic at denx.de>
Acked-by: Marek Vasut <marex at denx.de>
--
Best regards,
Marek Vasut
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