From 4d573d5c98234cad328de77c773c3c3d79258255 Mon Sep 17 00:00:00 2001
From: Marek Vasut
Date: Sat, 21 May 2022 16:56:26 +0200
Subject: ARM: dts: imx: Add support for DH electronics i.MX8M Plus DHCOM and
 PDK2

Add support for DH electronics i.MX8M Plus DHCOM SoM on PDK2 carrier board.
Currently supported are serial console, EQoS and FEC ethernets, eMMC, SD,
SPI NOR and USB 3.0 host.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
---
 include/configs/imx8mp_dhcom_pdk2.h | 113 ++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 include/configs/imx8mp_dhcom_pdk2.h

(limited to 'include')

diff --git a/include/configs/imx8mp_dhcom_pdk2.h b/include/configs/imx8mp_dhcom_pdk2.h
new file mode 100644
index 00000000000..7d5403fa9f4
--- /dev/null
+++ b/include/configs/imx8mp_dhcom_pdk2.h
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2022 Marek Vasut <marex@denx.de>
+ */
+
+#ifndef __IMX8MP_DHCOM_PDK2_H
+#define __IMX8MP_DHCOM_PDK2_H
+
+#include <linux/sizes.h>
+#include <linux/stringify.h>
+#include <asm/arch/imx-regs.h>
+
+#define CONFIG_SYS_BOOTM_LEN		SZ_128M
+
+#define CONFIG_SPL_MAX_SIZE		(148 * 1024)
+#define CONFIG_SYS_MONITOR_LEN		SZ_1M
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SPL_STACK		0x96FC00
+#define CONFIG_SPL_BSS_START_ADDR	0x0096FC00
+#define CONFIG_SPL_BSS_MAX_SIZE		0x400	/* 1 KiB */
+#define CONFIG_SYS_SPL_MALLOC_START	0x4c000000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	SZ_512K	/* 512 kiB */
+
+/* For RAW image gives a error info not panic */
+#define CONFIG_SPL_ABORT_ON_RAW_IMAGE
+
+#endif
+
+/* Link Definitions */
+#define CONFIG_SYS_INIT_RAM_ADDR	0x40000000
+#define CONFIG_SYS_INIT_RAM_SIZE	0x200000
+#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_SYS_SDRAM_BASE		0x40000000
+#define PHYS_SDRAM			0x40000000
+#define PHYS_SDRAM_SIZE			0x20000000 /* Minimum 512 MiB DDR */
+
+#define CONFIG_MXC_UART_BASE		UART1_BASE_ADDR
+
+/* Monitor Command Prompt */
+#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)
+
+/* PHY needs a longer autonegotiation timeout after reset */
+#define PHY_ANEG_TIMEOUT		20000
+#define FEC_QUIRK_ENET_MAC
+
+/* USDHC */
+#define CONFIG_SYS_FSL_USDHC_NUM	2
+#define CONFIG_SYS_FSL_ESDHC_ADDR	0
+
+#if !defined(CONFIG_SPL_BUILD)
+
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	"altbootcmd=run bootcmd ; reset\0"				\
+	"bootlimit=3\0"							\
+	"kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0"		\
+	"pxefile_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0"	\
+	"ramdisk_addr_r=0x58000000\0"					\
+	"scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0"		\
+	/* Give slow devices beyond USB HUB chance to come up. */	\
+	"usb_pgood_delay=2000\0"					\
+	"dfu_alt_info="							\
+		/* RAM block at DRAM offset 256..768 MiB */		\
+		"ram ram0=ram ram 0x50000000 0x20000000&"		\
+		/* 16 MiB SPI NOR */					\
+		"mtd nor0=sf raw 0x0 0x1000000\0"			\
+	"dh_update_env="						\
+		"setenv dh_update_env true ; saveenv ; saveenv\0"	\
+	"dh_update_sf_gen_fcfb="					\
+		"setexpr sfaddr ${loadaddr} - 0x1000 ; "		\
+		"base ${sfaddr} ; "					\
+		"mw 0 0 0x400 ; "					\
+		"mw 0x400 0x42464346 ; "				\
+		"mw 0x404 0x56010000 ; "				\
+		"mw 0x40c 00030300 ; "					\
+		"mw 0x444 0x00020101 ; "				\
+		"mw 0x450 0x10000000 ; "				\
+		"mw 0x480 0x0818040b ; "				\
+		"mw 0x484 0x24043008 ; "				\
+		"mw 0x5c0 0x100 ; "					\
+		"mw 0x5c4 0x10000 ; "					\
+		"base 0\0"						\
+	"dh_update_sf_write_data="					\
+		"setexpr sfaddr ${loadaddr} - 0x1000 ; "		\
+		"setexpr filesize ${filesize} + 0x1000 ; "		\
+		"sf probe && sf update ${sfaddr} 0 ${filesize}\0"	\
+	"dh_update_sd_to_sf="						\
+		"load mmc 0:1 ${loadaddr} boot/flash.bin && "		\
+		"run dh_update_sf_gen_fcfb dh_update_sf_write_data\0"	\
+	"dh_update_emmc_to_sf="						\
+		"load mmc 1:1 ${loadaddr} boot/flash.bin && "		\
+		"run dh_update_sf_gen_fcfb dh_update_sf_write_data\0"	\
+	BOOTENV
+
+#define BOOT_TARGET_DEVICES(func)	\
+	func(MMC, mmc, 0)		\
+	func(MMC, mmc, 1)		\
+	func(USB, usb, 0)		\
+	func(DHCP, dhcp, na)
+
+#include <config_distro_bootcmd.h>
+
+#endif
+
+#endif
-- 
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