diff options
Diffstat (limited to 'board/compulab/cl-som-imx7')
| -rw-r--r-- | board/compulab/cl-som-imx7/Kconfig | 28 | ||||
| -rw-r--r-- | board/compulab/cl-som-imx7/MAINTAINERS | 6 | ||||
| -rw-r--r-- | board/compulab/cl-som-imx7/Makefile | 17 | ||||
| -rw-r--r-- | board/compulab/cl-som-imx7/cl-som-imx7.c | 331 | ||||
| -rw-r--r-- | board/compulab/cl-som-imx7/common.c | 46 | ||||
| -rw-r--r-- | board/compulab/cl-som-imx7/common.h | 32 | ||||
| -rw-r--r-- | board/compulab/cl-som-imx7/mux.c | 142 | ||||
| -rw-r--r-- | board/compulab/cl-som-imx7/spl.c | 211 |
8 files changed, 813 insertions, 0 deletions
diff --git a/board/compulab/cl-som-imx7/Kconfig b/board/compulab/cl-som-imx7/Kconfig new file mode 100644 index 0000000000..6d69cf31f4 --- /dev/null +++ b/board/compulab/cl-som-imx7/Kconfig @@ -0,0 +1,28 @@ +if TARGET_CL_SOM_IMX7 + +config SYS_BOARD + default "cl-som-imx7" + +config SYS_VENDOR + default "compulab" + +config SYS_CONFIG_NAME + default "cl-som-imx7" + +config SYS_MMC_DEV + int + default 0 + +config SYS_USB_DEV + int + default 0 + +config SYS_MMC_IMG_LOAD_PART + int + default 1 + +config SYS_USB_IMG_LOAD_PART + int + default 1 + +endif diff --git a/board/compulab/cl-som-imx7/MAINTAINERS b/board/compulab/cl-som-imx7/MAINTAINERS new file mode 100644 index 0000000000..2b917a5c80 --- /dev/null +++ b/board/compulab/cl-som-imx7/MAINTAINERS @@ -0,0 +1,6 @@ +CL-SOM-IMX7 BOARD +M: Uri Mashiach <uri.mashiach@compulab.co.il> +S: Maintained +F: board/compulab/cl-som-imx7 +F: include/configs/cl-som-imx7.h +F: configs/cl-som-imx7_defconfig diff --git a/board/compulab/cl-som-imx7/Makefile b/board/compulab/cl-som-imx7/Makefile new file mode 100644 index 0000000000..8f0e068b7e --- /dev/null +++ b/board/compulab/cl-som-imx7/Makefile @@ -0,0 +1,17 @@ +# +# Makefile +# +# (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com +# +# Author: Uri Mashiach <uri.mashiach@compulab.co.il> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := mux.o common.o + +ifdef CONFIG_SPL_BUILD +obj-y += spl.o +else +obj-y += cl-som-imx7.o +endif diff --git a/board/compulab/cl-som-imx7/cl-som-imx7.c b/board/compulab/cl-som-imx7/cl-som-imx7.c new file mode 100644 index 0000000000..f8b1cda5bb --- /dev/null +++ b/board/compulab/cl-som-imx7/cl-som-imx7.c @@ -0,0 +1,331 @@ +/* + * U-Boot board functions for CompuLab CL-SOM-iMX7 module + * + * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com + * + * Author: Uri Mashiach <uri.mashiach@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mmc.h> +#include <phy.h> +#include <netdev.h> +#include <fsl_esdhc.h> +#include <power/pmic.h> +#include <power/pfuze3000_pmic.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/arch-mx7/mx7-pins.h> +#include <asm/arch-mx7/sys_proto.h> +#include <asm/arch-mx7/clock.h> +#include "../common/eeprom.h" +#include "common.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_SYS_I2C_MXC + +#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ + PAD_CTL_HYS) + +#define CL_SOM_IMX7_GPIO_I2C2_SCL IMX_GPIO_NR(1, 6) +#define CL_SOM_IMX7_GPIO_I2C2_SDA IMX_GPIO_NR(1, 7) + +static struct i2c_pads_info cl_som_imx7_i2c_pad_info2 = { + .scl = { + .i2c_mode = MX7D_PAD_GPIO1_IO06__I2C2_SCL | + MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX7D_PAD_GPIO1_IO06__GPIO1_IO6 | + MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = CL_SOM_IMX7_GPIO_I2C2_SCL, + }, + .sda = { + .i2c_mode = MX7D_PAD_GPIO1_IO07__I2C2_SDA | + MUX_PAD_CTRL(I2C_PAD_CTRL), + .gpio_mode = MX7D_PAD_GPIO1_IO07__GPIO1_IO7 | + MUX_PAD_CTRL(I2C_PAD_CTRL), + .gp = CL_SOM_IMX7_GPIO_I2C2_SDA, + }, +}; + +/* + * cl_som_imx7_setup_i2c() - I2C pinmux configuration. + */ +static void cl_som_imx7_setup_i2c(void) +{ + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &cl_som_imx7_i2c_pad_info2); +} +#else /* !CONFIG_SYS_I2C_MXC */ +static void cl_som_imx7_setup_i2c(void) {} +#endif /* CONFIG_SYS_I2C_MXC */ + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +#ifdef CONFIG_FSL_ESDHC + +#define CL_SOM_IMX7_GPIO_USDHC3_PWR IMX_GPIO_NR(6, 11) + +static struct fsl_esdhc_cfg cl_som_imx7_usdhc_cfg[3] = { + {USDHC1_BASE_ADDR, 0, 4}, + {USDHC3_BASE_ADDR}, +}; + +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 USDHC1 + * mmc2 USDHC3 (eMMC) + */ + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { + switch (i) { + case 0: + cl_som_imx7_usdhc1_pads_set(); + gpio_request(CL_SOM_IMX7_GPIO_USDHC1_CD, "usdhc1_cd"); + cl_som_imx7_usdhc_cfg[0].sdhc_clk = + mxc_get_clock(MXC_ESDHC_CLK); + break; + case 1: + cl_som_imx7_usdhc3_emmc_pads_set(); + gpio_request(CL_SOM_IMX7_GPIO_USDHC3_PWR, "usdhc3_pwr"); + gpio_direction_output(CL_SOM_IMX7_GPIO_USDHC3_PWR, 0); + udelay(500); + gpio_direction_output(CL_SOM_IMX7_GPIO_USDHC3_PWR, 1); + cl_som_imx7_usdhc_cfg[1].sdhc_clk = + mxc_get_clock(MXC_ESDHC3_CLK); + break; + default: + printf("Warning: you configured more USDHC controllers " + "(%d) than supported by the board\n", i + 1); + return -EINVAL; + } + + ret = fsl_esdhc_initialize(bis, &cl_som_imx7_usdhc_cfg[i]); + if (ret) + return ret; + } + + return 0; +} +#endif /* CONFIG_FSL_ESDHC */ + +#ifdef CONFIG_FEC_MXC + +#define CL_SOM_IMX7_ETH1_PHY_NRST IMX_GPIO_NR(1, 4) + +/* + * cl_som_imx7_rgmii_rework() - Ethernet PHY configuration. + */ +static void cl_som_imx7_rgmii_rework(struct phy_device *phydev) +{ + unsigned short val; + + /* Ar8031 phy SmartEEE feature cause link status generates glitch, + * which cause ethernet link down/up issue, so disable SmartEEE + */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x3); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= ~(0x1 << 8); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* To enable AR8031 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 &= 0xffe3; + 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); +} + +int board_phy_config(struct phy_device *phydev) +{ + cl_som_imx7_rgmii_rework(phydev); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +/* + * cl_som_imx7_handle_mac_address() - set Ethernet MAC address environment. + * + * @env_var: MAC address environment variable + * @eeprom_bus: I2C bus of the environment EEPROM + * + * @return: 0 on success, < 0 on failure + */ +static int cl_som_imx7_handle_mac_address(char *env_var, uint eeprom_bus) +{ + int ret; + unsigned char enetaddr[6]; + + ret = eth_env_get_enetaddr(env_var, enetaddr); + if (ret) + return 0; + + ret = cl_eeprom_read_mac_addr(enetaddr, eeprom_bus); + if (ret) + return ret; + + ret = is_valid_ethaddr(enetaddr); + if (!ret) + return -1; + + return eth_env_set_enetaddr(env_var, enetaddr); +} + +#define CL_SOM_IMX7_FEC_DEV_ID_PRI 0 + +int board_eth_init(bd_t *bis) +{ + /* set Ethernet MAC address environment */ + cl_som_imx7_handle_mac_address("ethaddr", CONFIG_SYS_I2C_EEPROM_BUS); + /* Ethernet interface pinmux configuration */ + cl_som_imx7_phy1_rst_pads_set(); + cl_som_imx7_fec1_pads_set(); + /* PHY reset */ + gpio_request(CL_SOM_IMX7_ETH1_PHY_NRST, "eth1_phy_nrst"); + gpio_direction_output(CL_SOM_IMX7_ETH1_PHY_NRST, 0); + mdelay(10); + gpio_set_value(CL_SOM_IMX7_ETH1_PHY_NRST, 1); + /* MAC initialization */ + return fecmxc_initialize_multi(bis, CL_SOM_IMX7_FEC_DEV_ID_PRI, + CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); +} + +/* + * cl_som_imx7_setup_fec() - Ethernet MAC 1 clock configuration. + * - ENET1 reference clock mode select. + * - ENET1_TX_CLK output driver is disabled when configured for ALT1. + */ +static void cl_som_imx7_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); + + set_clk_enet(ENET_125MHZ); +} +#else /* !CONFIG_FEC_MXC */ +static void cl_som_imx7_setup_fec(void) {} +#endif /* CONFIG_FEC_MXC */ + +#ifdef CONFIG_SPI + +static void cl_som_imx7_spi_init(void) +{ + cl_som_imx7_espi1_pads_set(); +} +#else /* !CONFIG_SPI */ +static void cl_som_imx7_spi_init(void) {} +#endif /* CONFIG_SPI */ + +int board_early_init_f(void) +{ + cl_som_imx7_uart1_pads_set(); + cl_som_imx7_usb_otg1_pads_set(); + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + cl_som_imx7_setup_i2c(); + cl_som_imx7_setup_fec(); + cl_som_imx7_spi_init(); + + return 0; +} + +#ifdef CONFIG_POWER +#define I2C_PMIC 0 +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) + return ret; + + 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_write(p, PFUZE3000_LDOGCTL, 0x1); + + return 0; +} +#endif /* CONFIG_POWER */ + +/* + * cl_som_imx7_setup_wdog() - watchdog configuration. + * - Output WDOG_B signal to reset external pmic. + * - Suspend the watchdog timer during low-power modes. + */ +void cl_som_imx7_setup_wdog(void) +{ + struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR; + + cl_som_imx7_wdog_pads_set(); + 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); +} + +int board_late_init(void) +{ + env_set("board_name", "CL-SOM-iMX7"); + cl_som_imx7_setup_wdog(); + return 0; +} + +int checkboard(void) +{ + char *mode; + + if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT)) + mode = "secure"; + else + mode = "non-secure"; + + printf("Board: CL-SOM-iMX7 in %s mode\n", mode); + + return 0; +} diff --git a/board/compulab/cl-som-imx7/common.c b/board/compulab/cl-som-imx7/common.c new file mode 100644 index 0000000000..5ee688a69f --- /dev/null +++ b/board/compulab/cl-som-imx7/common.c @@ -0,0 +1,46 @@ +/* + * SPL/U-Boot common functions for CompuLab CL-SOM-iMX7 module + * + * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com + * + * Author: Uri Mashiach <uri.mashiach@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <fsl_esdhc.h> +#include <asm-generic/gpio.h> +#include "common.h" + +#ifdef CONFIG_SPI + +#define CL_SOM_IMX7_GPIO_SPI_CS IMX_GPIO_NR(4, 19) + +int board_spi_cs_gpio(unsigned int bus, unsigned int cs) +{ + return CL_SOM_IMX7_GPIO_SPI_CS; +} + +#endif /* CONFIG_SPI */ + +#ifdef CONFIG_FSL_ESDHC + +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 USDHC1_BASE_ADDR: + ret = !gpio_get_value(CL_SOM_IMX7_GPIO_USDHC1_CD); + break; + case USDHC3_BASE_ADDR: + ret = 1; /* Assume uSDHC3 emmc is always present */ + break; + } + + return ret; +} + +#endif /* CONFIG_FSL_ESDHC */ diff --git a/board/compulab/cl-som-imx7/common.h b/board/compulab/cl-som-imx7/common.h new file mode 100644 index 0000000000..72d96af2ba --- /dev/null +++ b/board/compulab/cl-som-imx7/common.h @@ -0,0 +1,32 @@ +/* + * SPL/U-Boot common header file for CompuLab CL-SOM-iMX7 module + * + * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com + * + * Author: Uri Mashiach <uri.mashiach@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#define PADS_SET_PROT(pads_array) void cl_som_imx7_##pads_array##_set(void) + +#ifdef CONFIG_FSL_ESDHC +#define CL_SOM_IMX7_GPIO_USDHC1_CD IMX_GPIO_NR(5, 0) +PADS_SET_PROT(usdhc1_pads); +#endif /* CONFIG_FSL_ESDHC */ +PADS_SET_PROT(uart1_pads); +#ifdef CONFIG_SPI +PADS_SET_PROT(espi1_pads); +#endif /* CONFIG_SPI */ + +#ifndef CONFIG_SPL_BUILD +#ifdef CONFIG_FSL_ESDHC +PADS_SET_PROT(usdhc3_emmc_pads); +#endif /* CONFIG_FSL_ESDHC */ +#ifdef CONFIG_FEC_MXC +PADS_SET_PROT(phy1_rst_pads); +PADS_SET_PROT(fec1_pads); +#endif /* CONFIG_FEC_MXC */ +PADS_SET_PROT(usb_otg1_pads); +PADS_SET_PROT(wdog_pads); +#endif /* !CONFIG_SPL_BUILD */ diff --git a/board/compulab/cl-som-imx7/mux.c b/board/compulab/cl-som-imx7/mux.c new file mode 100644 index 0000000000..82e8b9f237 --- /dev/null +++ b/board/compulab/cl-som-imx7/mux.c @@ -0,0 +1,142 @@ +/* + * SPL/U-Boot mux functions for CompuLab CL-SOM-iMX7 module + * + * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com + * + * Author: Uri Mashiach <uri.mashiach@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/arch-mx7/mx7-pins.h> + +#define PADS_SET(pads_array) \ +void cl_som_imx7_##pads_array##_set(void) \ +{ \ + imx_iomux_v3_setup_multiple_pads(pads_array, ARRAY_SIZE(pads_array)); \ +} + +#ifdef CONFIG_FSL_ESDHC + +#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ + PAD_CTL_HYS | PAD_CTL_PUE | \ + PAD_CTL_PUS_PU47KOHM) + +static iomux_v3_cfg_t const usdhc1_pads[] = { + MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +PADS_SET(usdhc1_pads) + +#endif /* CONFIG_FSL_ESDHC */ + +#define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \ + PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS) + +static iomux_v3_cfg_t const uart1_pads[] = { + MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +PADS_SET(uart1_pads) + +#ifdef CONFIG_SPI + +#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SRE_SLOW | \ + PAD_CTL_DSE_3P3V_32OHM) + +#define GPIO_PAD_CTRL (PAD_CTL_PUS_PU5KOHM | PAD_CTL_PUE | \ + PAD_CTL_SRE_SLOW) + +static iomux_v3_cfg_t const espi1_pads[] = { + MX7D_PAD_ECSPI1_SCLK__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX7D_PAD_ECSPI1_MISO__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX7D_PAD_ECSPI1_MOSI__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX7D_PAD_ECSPI1_SS0__GPIO4_IO19 | MUX_PAD_CTRL(GPIO_PAD_CTRL), +}; + +PADS_SET(espi1_pads) + +#endif /* CONFIG_SPI */ + +#ifndef CONFIG_SPL_BUILD + +#ifdef CONFIG_FSL_ESDHC + +static iomux_v3_cfg_t const usdhc3_emmc_pads[] = { + MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX7D_PAD_SD3_STROBE__SD3_STROBE | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +PADS_SET(usdhc3_emmc_pads) + +#endif /* CONFIG_FSL_ESDHC */ + +#ifdef CONFIG_FEC_MXC + +#define ENET_PAD_CTRL (PAD_CTL_PUS_PD100KOHM | PAD_CTL_DSE_3P3V_49OHM) +#define ENET_PAD_CTRL_MII (PAD_CTL_PUS_PU5KOHM) + +static iomux_v3_cfg_t const phy1_rst_pads[] = { + /* PHY1 RST */ + MX7D_PAD_GPIO1_IO04__GPIO1_IO4 | MUX_PAD_CTRL(GPIO_PAD_CTRL), +}; + +PADS_SET(phy1_rst_pads) + +static iomux_v3_cfg_t const fec1_pads[] = { + MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | + MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | + MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_SD2_CD_B__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), + MX7D_PAD_SD2_WP__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), +}; + +PADS_SET(fec1_pads) + +#endif /* CONFIG_FEC_MXC */ + +static iomux_v3_cfg_t const usb_otg1_pads[] = { + MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +PADS_SET(usb_otg1_pads) + +static iomux_v3_cfg_t const wdog_pads[] = { + MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +PADS_SET(wdog_pads) + +#endif /* !CONFIG_SPL_BUILD */ diff --git a/board/compulab/cl-som-imx7/spl.c b/board/compulab/cl-som-imx7/spl.c new file mode 100644 index 0000000000..3b013c048f --- /dev/null +++ b/board/compulab/cl-som-imx7/spl.c @@ -0,0 +1,211 @@ +/* + * SPL board functions for CompuLab CL-SOM-iMX7 module + * + * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com + * + * Author: Uri Mashiach <uri.mashiach@compulab.co.il> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <spl.h> +#include <fsl_esdhc.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/arch-mx7/mx7-pins.h> +#include <asm/arch-mx7/clock.h> +#include <asm/arch-mx7/mx7-ddr.h> +#include "common.h" + +#ifdef CONFIG_FSL_ESDHC + +static struct fsl_esdhc_cfg cl_som_imx7_spl_usdhc_cfg = { + USDHC1_BASE_ADDR, 0, 4}; + +int board_mmc_init(bd_t *bis) +{ + cl_som_imx7_usdhc1_pads_set(); + cl_som_imx7_spl_usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + return fsl_esdhc_initialize(bis, &cl_som_imx7_spl_usdhc_cfg); +} +#endif /* CONFIG_FSL_ESDHC */ + +static iomux_v3_cfg_t const led_pads[] = { + MX7D_PAD_SAI1_TX_SYNC__GPIO6_IO14 | MUX_PAD_CTRL(PAD_CTL_PUS_PU5KOHM | + PAD_CTL_PUE | PAD_CTL_SRE_SLOW) +}; + +static struct ddrc cl_som_imx7_spl_ddrc_regs_val = { + .init1 = 0x00690000, + .init0 = 0x00020083, + .init3 = 0x09300004, + .init4 = 0x04080000, + .init5 = 0x00100004, + .rankctl = 0x0000033F, + .dramtmg1 = 0x0007020E, + .dramtmg2 = 0x03040407, + .dramtmg3 = 0x00002006, + .dramtmg4 = 0x04020305, + .dramtmg5 = 0x03030202, + .dramtmg8 = 0x00000803, + .zqctl0 = 0x00810021, + .dfitmg0 = 0x02098204, + .dfitmg1 = 0x00030303, + .dfiupd0 = 0x80400003, + .dfiupd1 = 0x00100020, + .dfiupd2 = 0x80100004, + .addrmap4 = 0x00000F0F, + .odtcfg = 0x06000604, + .odtmap = 0x00000001, +}; + +static struct ddrc_mp cl_som_imx7_spl_ddrc_mp_val = { + .pctrl_0 = 0x00000001, +}; + +static struct ddr_phy cl_som_imx7_spl_ddr_phy_regs_val = { + .phy_con0 = 0x17420F40, + .phy_con1 = 0x10210100, + .phy_con4 = 0x00060807, + .mdll_con0 = 0x1010007E, + .drvds_con0 = 0x00000D6E, + .cmd_sdll_con0 = 0x00000010, + .offset_lp_con0 = 0x0000000F, +}; + +struct mx7_calibration cl_som_imx7_spl_calib_param = { + .num_val = 5, + .values = { + 0x0E407304, + 0x0E447304, + 0x0E447306, + 0x0E447304, + 0x0E407304, + }, +}; + +static void cl_som_imx7_spl_dram_cfg_size(u32 ram_size) +{ + switch (ram_size) { + case SZ_256M: + cl_som_imx7_spl_ddrc_regs_val.mstr = 0x01041001; + cl_som_imx7_spl_ddrc_regs_val.rfshtmg = 0x00400046; + cl_som_imx7_spl_ddrc_regs_val.dramtmg0 = 0x090E1109; + cl_som_imx7_spl_ddrc_regs_val.addrmap0 = 0x00000014; + cl_som_imx7_spl_ddrc_regs_val.addrmap1 = 0x00151515; + cl_som_imx7_spl_ddrc_regs_val.addrmap5 = 0x03030303; + cl_som_imx7_spl_ddrc_regs_val.addrmap6 = 0x0F0F0303; + cl_som_imx7_spl_ddr_phy_regs_val.offset_rd_con0 = 0x0C0C0C0C; + cl_som_imx7_spl_ddr_phy_regs_val.offset_wr_con0 = 0x04040404; + break; + case SZ_512M: + cl_som_imx7_spl_ddrc_regs_val.mstr = 0x01040001; + cl_som_imx7_spl_ddrc_regs_val.rfshtmg = 0x00400046; + cl_som_imx7_spl_ddrc_regs_val.dramtmg0 = 0x090E1109; + cl_som_imx7_spl_ddrc_regs_val.addrmap0 = 0x00000015; + cl_som_imx7_spl_ddrc_regs_val.addrmap1 = 0x00161616; + cl_som_imx7_spl_ddrc_regs_val.addrmap5 = 0x04040404; + cl_som_imx7_spl_ddrc_regs_val.addrmap6 = 0x0F0F0404; + cl_som_imx7_spl_ddr_phy_regs_val.offset_rd_con0 = 0x0C0C0C0C; + cl_som_imx7_spl_ddr_phy_regs_val.offset_wr_con0 = 0x04040404; + break; + case SZ_1G: + cl_som_imx7_spl_ddrc_regs_val.mstr = 0x01040001; + cl_som_imx7_spl_ddrc_regs_val.rfshtmg = 0x00400046; + cl_som_imx7_spl_ddrc_regs_val.dramtmg0 = 0x090E1109; + cl_som_imx7_spl_ddrc_regs_val.addrmap0 = 0x00000016; + cl_som_imx7_spl_ddrc_regs_val.addrmap1 = 0x00171717; + cl_som_imx7_spl_ddrc_regs_val.addrmap5 = 0x04040404; + cl_som_imx7_spl_ddrc_regs_val.addrmap6 = 0x0F040404; + cl_som_imx7_spl_ddr_phy_regs_val.offset_rd_con0 = 0x0A0A0A0A; + cl_som_imx7_spl_ddr_phy_regs_val.offset_wr_con0 = 0x02020202; + break; + case SZ_2G: + cl_som_imx7_spl_ddrc_regs_val.mstr = 0x01040001; + cl_som_imx7_spl_ddrc_regs_val.rfshtmg = 0x0040005E; + cl_som_imx7_spl_ddrc_regs_val.dramtmg0 = 0x090E110A; + cl_som_imx7_spl_ddrc_regs_val.addrmap0 = 0x00000018; + cl_som_imx7_spl_ddrc_regs_val.addrmap1 = 0x00181818; + cl_som_imx7_spl_ddrc_regs_val.addrmap5 = 0x04040404; + cl_som_imx7_spl_ddrc_regs_val.addrmap6 = 0x04040404; + cl_som_imx7_spl_ddr_phy_regs_val.offset_rd_con0 = 0x0A0A0A0A; + cl_som_imx7_spl_ddr_phy_regs_val.offset_wr_con0 = 0x04040404; + break; + } + + mx7_dram_cfg(&cl_som_imx7_spl_ddrc_regs_val, + &cl_som_imx7_spl_ddrc_mp_val, + &cl_som_imx7_spl_ddr_phy_regs_val, + &cl_som_imx7_spl_calib_param); +} + +static void cl_som_imx7_spl_dram_cfg(void) +{ + ulong ram_size_test, ram_size = 0; + + for (ram_size = SZ_2G; ram_size >= SZ_256M; ram_size >>= 1) { + cl_som_imx7_spl_dram_cfg_size(ram_size); + ram_size_test = get_ram_size((long int *)PHYS_SDRAM, ram_size); + if (ram_size_test == ram_size) + break; + } + + if (ram_size < SZ_256M) { + puts("!!!ERROR!!! DRAM detection failed!!!\n"); + hang(); + } +} + +#ifdef CONFIG_SPL_SPI_SUPPORT + +static void cl_som_imx7_spl_spi_init(void) +{ + cl_som_imx7_espi1_pads_set(); +} +#else /* !CONFIG_SPL_SPI_SUPPORT */ +static void cl_som_imx7_spl_spi_init(void) {} +#endif /* CONFIG_SPL_SPI_SUPPORT */ + +void board_init_f(ulong dummy) +{ + imx_iomux_v3_setup_multiple_pads(led_pads, 1); + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + /* setup GP timer */ + timer_init(); + cl_som_imx7_spl_spi_init(); + cl_som_imx7_uart1_pads_set(); + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + /* DRAM detection */ + cl_som_imx7_spl_dram_cfg(); + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} + +void spl_board_init(void) +{ + u32 boot_device = spl_boot_device(); + + if (boot_device == BOOT_DEVICE_SPI) + puts("Booting from SPI flash\n"); + else if (boot_device == BOOT_DEVICE_MMC1) + puts("Booting from SD card\n"); + else + puts("Unknown boot device\n"); +} + +void board_boot_order(u32 *spl_boot_list) +{ + spl_boot_list[0] = spl_boot_device(); + switch (spl_boot_list[0]) { + case BOOT_DEVICE_SPI: + spl_boot_list[1] = BOOT_DEVICE_MMC1; + break; + case BOOT_DEVICE_MMC1: + spl_boot_list[1] = BOOT_DEVICE_SPI; + break; + } +} |