diff options
author | Peng Fan <peng.fan@nxp.com> | 2018-11-20 13:20:00 +0300 |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2019-01-01 16:12:18 +0300 |
commit | 86ac7a9a5d0c8ae9f0e5e6ef2cc189198e498cf4 (patch) | |
tree | 151e158f523faa632ac6083d66311b2c09de7077 /board/freescale/imx8mq_evk/imx8mq_evk.c | |
parent | e3963c0943042afcb38d99041a8dc3d55f092f5f (diff) | |
download | u-boot-86ac7a9a5d0c8ae9f0e5e6ef2cc189198e498cf4.tar.xz |
imx: add i.MX8MQ EVK support
Add i.MX8MQ EVK support. SPL will initialize ddr and load ddr phy
firmware. Then loading FIT image, ATF to OCRAM, U-Boot and DTB to
DRAM.
The boot log with Arm trusted firmware console enabled:
"
U-Boot SPL 2018.11-00142-g9ae14e7274 (Nov 20 2018 - 18:13:16 +0800)
PMIC: PFUZE100 ID=0x10
Normal Boot
Trying to boot from MMC2
NOTICE: Configureing TZASC380
NOTICE: BL31: v1.5(release):p9.0.0_1.0.0-beta-20180928-8-ge09c4b62-dirty
NOTICE: BL31: Built : 09:28:54, Nov 8 2018
lpddr4 swffc start
NOTICE: sip svc init
U-Boot 2018.11-00142-g9ae14e7274 (Nov 20 2018 - 18:13:16 +0800)
CPU: Freescale i.MX8MQ rev2.0 at 1000 MHz
Reset cause: POR
Model: Freescale i.MX8MQ EVK
DRAM: 3 GiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1
In: serial
Out: serial
Err: serial
Net:
Warning: ethernet@30be0000 using MAC address from ROM
eth0: ethernet@30be0000
Hit any key to stop autoboot: 0
"
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board/freescale/imx8mq_evk/imx8mq_evk.c')
-rw-r--r-- | board/freescale/imx8mq_evk/imx8mq_evk.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/board/freescale/imx8mq_evk/imx8mq_evk.c b/board/freescale/imx8mq_evk/imx8mq_evk.c new file mode 100644 index 0000000000..54e0c38431 --- /dev/null +++ b/board/freescale/imx8mq_evk/imx8mq_evk.c @@ -0,0 +1,130 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#include <common.h> +#include <malloc.h> +#include <errno.h> +#include <asm/io.h> +#include <miiphy.h> +#include <netdev.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm-generic/gpio.h> +#include <fsl_esdhc.h> +#include <mmc.h> +#include <asm/arch/imx8mq_pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-imx/gpio.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/arch/clock.h> +#include <spl.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> +#include "../common/pfuze.h" + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL1) + +#define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_HYS | PAD_CTL_PUE) + +static iomux_v3_cfg_t const wdog_pads[] = { + IMX8MQ_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL), +}; + +static iomux_v3_cfg_t const uart_pads[] = { + IMX8MQ_PAD_UART1_RXD__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + IMX8MQ_PAD_UART1_TXD__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +int board_early_init_f(void) +{ + struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR; + + imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); + set_wdog_reset(wdog); + + imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads)); + + return 0; +} + +int dram_init(void) +{ + /* rom_pointer[1] contains the size of TEE occupies */ + if (rom_pointer[1]) + gd->ram_size = PHYS_SDRAM_SIZE - rom_pointer[1]; + else + gd->ram_size = PHYS_SDRAM_SIZE; + + return 0; +} + +#ifdef CONFIG_FEC_MXC +#define FEC_RST_PAD IMX_GPIO_NR(1, 9) +static iomux_v3_cfg_t const fec1_rst_pads[] = { + IMX8MQ_PAD_GPIO1_IO09__GPIO1_IO9 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void setup_iomux_fec(void) +{ + imx_iomux_v3_setup_multiple_pads(fec1_rst_pads, + ARRAY_SIZE(fec1_rst_pads)); + + gpio_request(IMX_GPIO_NR(1, 9), "fec1_rst"); + gpio_direction_output(IMX_GPIO_NR(1, 9), 0); + udelay(500); + gpio_direction_output(IMX_GPIO_NR(1, 9), 1); +} + +static int setup_fec(void) +{ + struct iomuxc_gpr_base_regs *gpr = + (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; + + setup_iomux_fec(); + + /* Use 125M anatop REF_CLK1 for ENET1, not from external */ + clrsetbits_le32(&gpr->gpr[1], BIT(13) | BIT(17), 0); + return set_clk_enet(ENET_125MHZ); +} + +int board_phy_config(struct phy_device *phydev) +{ + /* enable rgmii rxc skew and phy mode select to RGMII copper */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); + + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); + + if (phydev->drv->config) + phydev->drv->config(phydev); + return 0; +} +#endif + +int board_init(void) +{ +#ifdef CONFIG_FEC_MXC + setup_fec(); +#endif + + return 0; +} + +int board_mmc_get_env_dev(int devno) +{ + return devno; +} + +int board_late_init(void) +{ +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + env_set("board_name", "EVK"); + env_set("board_rev", "iMX8MQ"); +#endif + + return 0; +} |