arm: imx: add i.MX8ULP EVK support

Add i.MX8ULP EVK basic support, support SD/I2C/ENET/LPUART

Log as below: I would keep some debug info for now, and after we move
to be stable and production launch, we could drop that.

U-Boot SPL 2021.07-rc4-00164-gb800e19a6b (Jun 29 2021 - 10:23:30 +0800)
Normal Boot
upower_init: soc_id=48
upower_init: version:11.11.6
upower_init: start uPower RAM service
user_upwr_rdy_callb: soc=b
user_upwr_rdy_callb: RAM version:12.6
Turn on switches ok
Turn on memories ok
Clear DDR retention ok
Poll for freq_chg_req on SIM register and change to F1 frequency.
Poll for freq_chg_req on SIM register and change to F0 frequency.
Poll for freq_chg_req on SIM register and change to F1 frequency.
Poll for freq_chg_req on SIM register and change to F2 frequency.
Poll for freq_chg_req on SIM register and change to F1 frequency.
Poll for freq_chg_req on SIM register and change to F2 frequency.
complete
De-Skew PLL is locked and ready
WDT:   Not found!
Trying to boot from BOOTROM
image offset 0x8000, pagesize 0x200, ivt offset 0x0
Load image from 0x3a800 by ROM_API
NOTICE:  BL31: v2.4(release):imx_5.10.35_2.0.0_imx8ulp_er-10-gf37e59b94
NOTICE:  BL31: Built : 01:56:58, Jun 29 2021
NOTICE:  upower_init: start uPower RAM service
NOTICE:  user_upwr_rdy_callb: soc=b
NOTICE:  user_upwr_rdy_callb: RAM version:12.6

U-Boot 2021.07-rc4-00164-gb800e19a6b (Jun 29 2021 - 10:23:30 +0800)

CPU:   Freescale i.MX8ULP rev1.0 at 744 MHz
Reset cause: POR
Boot mode: Single boot
Model: FSL i.MX8ULP EVK
DRAM:  2 GiB
MMC:   FSL_SDHC: 0, FSL_SDHC: 2
Loading Environment from MMC... ***
Warning - bad CRC, using default environment

In:    serial@293a0000
Out:   serial@293a0000
Err:   serial@293a0000
Net:
Warning: ethernet@29950000 (eth0) using random MAC address -
96:35:88:62:e0:44
eth0: ethernet@29950000
Hit any key to stop autoboot:  0

Signed-off-by: Peng Fan <peng.fan@nxp.com>

1 files changed, 107 insertions, 0 deletions

diff --git a/include/configs/imx8ulp_evk.h b/include/configs/imx8ulp_evk.h
new file mode 100644
index 0000000000..32f8773b24
--- /dev/null
+++ b/include/configs/imx8ulp_evk.h
@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2020 NXP
+ */
+
+#ifndef __IMX8ULP_EVK_H
+#define __IMX8ULP_EVK_H
+
+#include <linux/sizes.h>
+#include <asm/arch/imx-regs.h>
+
+#define CONFIG_SYS_BOOTM_LEN		(SZ_64M)
+#define CONFIG_SPL_MAX_SIZE		(148 * 1024)
+#define CONFIG_SYS_MONITOR_LEN		(512 * 1024)
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300
+#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
+#define CONFIG_SYS_UBOOT_BASE	(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SPL_LDSCRIPT		"arch/arm/cpu/armv8/u-boot-spl.lds"
+#define CONFIG_SPL_STACK		0x22050000
+#define CONFIG_SPL_BSS_START_ADDR	0x22048000
+#define CONFIG_SPL_BSS_MAX_SIZE		0x2000	/* 8 KB */
+#define CONFIG_SYS_SPL_MALLOC_START	0x22040000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	0x8000	/* 32 KB */
+
+#define CONFIG_MALLOC_F_ADDR		0x22040000
+
+#define CONFIG_SPL_LOAD_FIT_ADDRESS	0x95000000 /* SPL_RAM needed */
+
+#define CONFIG_SPL_ABORT_ON_RAW_IMAGE /* For RAW image gives a error info not panic */
+
+#endif
+
+#define CONFIG_SERIAL_TAG
+
+#define CONFIG_REMAKE_ELF
+
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_BOARD_LATE_INIT
+
+/* ENET Config */
+#if defined(CONFIG_FEC_MXC)
+#define CONFIG_ETHPRIME                 "FEC"
+#define PHY_ANEG_TIMEOUT		20000
+
+#define CONFIG_FEC_XCV_TYPE		RMII
+#define CONFIG_FEC_MXC_PHYADDR		1
+
+#define IMX_FEC_BASE			0x29950000
+#endif
+
+#ifdef CONFIG_DISTRO_DEFAULTS
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0)
+
+#include <config_distro_bootcmd.h>
+#else
+#define BOOTENV
+#endif
+
+/* Initial environment variables */
+#define CONFIG_EXTRA_ENV_SETTINGS		\
+	BOOTENV \
+	"scriptaddr=" __stringify(CONFIG_LOADADDR) "\0" \
+	"kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
+	"image=Image\0" \
+	"console=ttyLP1,115200 earlycon\0" \
+	"fdt_addr_r=0x83000000\0"			\
+	"boot_fit=no\0" \
+	"fdtfile=imx8ulp-evk.dtb\0" \
+	"initrd_addr=0x83800000\0"		\
+	"bootm_size=0x10000000\0" \
+	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
+	"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
+
+/* Link Definitions */
+#define CONFIG_LOADADDR			0x80480000
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+
+#define CONFIG_SYS_INIT_RAM_ADDR	0x80000000
+#define CONFIG_SYS_INIT_RAM_SIZE	0x80000
+#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)
+
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_MMCROOT			"/dev/mmcblk2p2"
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + SZ_16M)
+
+#define CONFIG_SYS_SDRAM_BASE		0x80000000
+#define PHYS_SDRAM			0x80000000
+#define PHYS_SDRAM_SIZE			0x80000000 /* 2GB DDR */
+
+/* Monitor Command Prompt */
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+#define CONFIG_SYS_CBSIZE		2048
+#define CONFIG_SYS_MAXARGS		64
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* Using ULP WDOG for reset */
+#define WDOG_BASE_ADDR			WDG3_RBASE
+#endif