imx: imx8mp: Add support for Polyhex Debix Model A SBC
Add support for the Polyhex Debix Model A SBC board.
It is an industrial grade single board computer based on
NXP's i.MX 8M Plus.
Currently supported interfaces are:
- Serial console
- Micro SD
- eQOS and FEC Ethernet
imx8mp-debix-model-a.dts is taken from Linux 6.3.
Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/include/configs/imx8mp_debix_model_a.h b/include/configs/imx8mp_debix_model_a.h
new file mode 100644
index 0000000..e82e8b1
--- /dev/null
+++ b/include/configs/imx8mp_debix_model_a.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2019 NXP
+ * Copyright 2023 Gilles Talis <gilles.talis@gmail.com>
+ */
+
+#ifndef __IMX8MP_DEBIX_MODEL_A_H
+#define __IMX8MP_DEBIX_MODEL_A_H
+
+#include <linux/sizes.h>
+#include <linux/stringify.h>
+#include <asm/arch/imx-regs.h>
+
+#define CFG_SYS_UBOOT_BASE (QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
+
+#if defined(CONFIG_CMD_NET)
+#define CFG_FEC_MXC_PHYADDR 1
+
+#define PHY_ANEG_TIMEOUT 20000
+
+#endif
+
+#define BOOT_TARGET_DEVICES(func) \
+ func(MMC, mmc, 1) \
+ func(MMC, mmc, 2)
+
+#include <config_distro_bootcmd.h>
+
+/* Initial environment variables */
+#define CFG_EXTRA_ENV_SETTINGS \
+ BOOTENV \
+ "scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
+ "kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
+ "image=Image\0" \
+ "console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200\0" \
+ "fdt_addr_r=0x43000000\0" \
+ "boot_fdt=try\0" \
+ "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
+ "initrd_addr=0x43800000\0" \
+ "bootm_size=0x10000000\0" \
+ "mmcpart=1\0" \
+ "mmcroot=/dev/mmcblk1p2 rootwait rw\0" \
+
+/* Link Definitions */
+
+#define CFG_SYS_INIT_RAM_ADDR 0x40000000
+#define CFG_SYS_INIT_RAM_SIZE 0x80000
+
+/* 2GB DDR */
+#define CFG_SYS_SDRAM_BASE 0x40000000
+#define PHYS_SDRAM 0x40000000
+#define PHYS_SDRAM_SIZE 0x80000000 /* 2 GB */
+
+#endif