diff options
Diffstat (limited to 'board/seeed/npi_imx6ull/npi_imx6ull.c')
-rw-r--r-- | board/seeed/npi_imx6ull/npi_imx6ull.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/board/seeed/npi_imx6ull/npi_imx6ull.c b/board/seeed/npi_imx6ull/npi_imx6ull.c new file mode 100644 index 0000000000..eb9ee555c8 --- /dev/null +++ b/board/seeed/npi_imx6ull/npi_imx6ull.c @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2021 Linumiz + * Author: Navin Sankar Velliangiri <navin@linumiz.com> + */ + +#include <init.h> +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <fsl_esdhc_imx.h> +#include <linux/bitops.h> +#include <miiphy.h> +#include <net.h> +#include <netdev.h> +#include <usb.h> +#include <usb/ehci-ci.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +#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) + +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)); +} + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +#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 50MHz 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 50MHz anatop loopbak 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_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_FEC_MXC + setup_fec(CONFIG_FEC_ENET_DEV); +#endif + + return 0; +} + +int checkboard(void) +{ + printf("Board: Seeed NPi i.MX6ULL Dev Board\n"); + + return 0; +} |