diff options
Diffstat (limited to 'board/ronetix/imx7-cm/imx7-cm.c')
-rw-r--r-- | board/ronetix/imx7-cm/imx7-cm.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/board/ronetix/imx7-cm/imx7-cm.c b/board/ronetix/imx7-cm/imx7-cm.c new file mode 100644 index 00000000000..c23097f0476 --- /dev/null +++ b/board/ronetix/imx7-cm/imx7-cm.c @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2021 Ronetix GmbH + */ + +#include <init.h> +#include <net.h> +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/mx7-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/global_data.h> +#include <asm/gpio.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/io.h> +#include <common.h> +#include <i2c.h> +#include <miiphy.h> +#include <power/pmic.h> +#include <power/pfuze3000_pmic.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + return 0; +} + +int power_init_board(void) +{ + struct udevice *dev; + int ret; + unsigned int reg, rev; + + ret = pmic_get("pmic@8", &dev); + if (ret == -ENODEV) { + puts("No pmic\n"); + return 0; + } + if (ret != 0) + return ret; + + reg = pmic_reg_read(dev, PFUZE3000_DEVICEID); + rev = pmic_reg_read(dev, PFUZE3000_REVID); + printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev); + + /* disable Low Power Mode during standby mode */ + reg = pmic_reg_read(dev, PFUZE3000_LDOGCTL); + reg |= 0x1; + pmic_reg_write(dev, PFUZE3000_LDOGCTL, reg); + + /* SW1A/1B mode set to APS/APS */ + reg = 0x8; + pmic_reg_write(dev, PFUZE3000_SW1AMODE, reg); + pmic_reg_write(dev, PFUZE3000_SW1BMODE, reg); + + /* SW1A/1B standby voltage set to 1.025V */ + reg = 0xd; + pmic_reg_write(dev, PFUZE3000_SW1ASTBY, reg); + pmic_reg_write(dev, PFUZE3000_SW1BSTBY, reg); + + /* decrease SW1B normal voltage to 0.975V */ + reg = pmic_reg_read(dev, PFUZE3000_SW1BVOLT); + reg &= ~0x1f; + reg |= PFUZE3000_SW1AB_SETP(975); + pmic_reg_write(dev, PFUZE3000_SW1BVOLT, reg); + + return 0; +} + +static int setup_fec(void) +{ + return set_clk_enet(ENET_125MHZ); +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + setup_fec(); + + return 0; +} + +int board_late_init(void) +{ + return 0; +} + +int checkboard(void) +{ + puts("Board: iMX7-CM\n"); + return 0; +} |