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authorAriel D'Alessandro2021-11-23 13:33:30 -0300
committerStefano Babic2022-02-05 13:38:39 +0100
commitc4c1ed68c1e85ed3100840e395d40294d38f5f7c (patch)
treec6f113260daa6a3a20635cf9747e4591fb5896c5 /include
parent4821074becd286c6878bfd5f6d7e41dbd65fa9a1 (diff)
imx8mn_var_som: Add support for Variscite VAR-SOM-MX8M-NANO board
Add support for iMX8MN VAR-SOM-MX8M-NANO board. Enables support for: - 1GiB DDR4 RAM - 16 GiB eMMC - SD card - Gigabit ethernet - USBOTG1 peripheral - fastboot Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Fabio Estevam <festevam@gmail.com>
Diffstat (limited to 'include')
-rw-r--r--include/configs/imx8mn_var_som.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/include/configs/imx8mn_var_som.h b/include/configs/imx8mn_var_som.h
new file mode 100644
index 00000000000..1e800f0ecc0
--- /dev/null
+++ b/include/configs/imx8mn_var_som.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2021 Collabora Ltd.
+ */
+
+#ifndef __IMX8MN_VAR_SOM_H
+#define __IMX8MN_VAR_SOM_H
+
+#include <linux/sizes.h>
+#include <linux/stringify.h>
+#include <asm/arch/imx-regs.h>
+
+#define CONFIG_SYS_BOOTM_LEN (32 * SZ_1M)
+
+#define CONFIG_SPL_MAX_SIZE (148 * SZ_1K)
+#define CONFIG_SYS_MONITOR_LEN SZ_512K
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300
+#define CONFIG_SYS_UBOOT_BASE \
+ (QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
+
+#define CONFIG_SPL_STACK 0x980000
+#define CONFIG_SPL_BSS_START_ADDR 0x950000
+#define CONFIG_SPL_BSS_MAX_SIZE SZ_8K
+#define CONFIG_SYS_SPL_MALLOC_START 0x42200000
+#define CONFIG_SYS_SPL_MALLOC_SIZE SZ_512K
+
+#define BOOT_TARGET_DEVICES(func) \
+ func(MMC, mmc, 1) \
+ func(MMC, mmc, 2) \
+ func(MMC, mmc, 0) \
+ func(PXE, pxe, na) \
+ func(DHCP, dhcp, na) \
+
+#include <config_distro_bootcmd.h>
+
+/* ENET */
+#if defined(CONFIG_FEC_MXC)
+#define CONFIG_ETHPRIME "FEC"
+#define CONFIG_FEC_XCV_TYPE RGMII
+#endif /* CONFIG_FEC_MXC */
+
+#define MEM_LAYOUT_ENV_SETTINGS \
+ "scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
+ "kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
+ "ramdisk_addr_r=0x43800000\0" \
+ "fdt_addr_r=0x43000000\0" \
+ "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
+ "fastboot_partition_alias_all=" \
+ __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".0:0\0" \
+ "fastboot_partition_alias_bootloader=" \
+ __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".1:0\0" \
+ "emmc_dev=" __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) "\0" \
+ "emmc_ack=1\0" \
+ "pxefile_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
+
+/* Initial environment variables */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ MEM_LAYOUT_ENV_SETTINGS \
+ BOOTENV
+
+/* Link Definitions */
+
+#define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
+#define CONFIG_SYS_INIT_RAM_SIZE SZ_512K
+#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 SZ_1G /* 1GB DDR */
+
+#define CONFIG_MXC_UART_BASE UART4_BASE_ADDR
+
+/* Monitor Command Prompt */
+#define CONFIG_SYS_CBSIZE SZ_2K
+#define CONFIG_SYS_MAXARGS 64
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* USDHC */
+#define CONFIG_SYS_FSL_ESDHC_ADDR 0
+
+/* I2C */
+#define CONFIG_SYS_I2C_SPEED 400000
+
+#endif /* __IMX8MN_VAR_SOM_H */