--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Board specific initialization for J721E EVM
+ *
+ * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ * Lokesh Vutla <lokeshvutla@ti.com>
+ *
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <spl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ return 0;
+}
+
+int dram_init(void)
+{
+#ifdef CONFIG_PHYS_64BIT
+ gd->ram_size = 0x100000000;
+#else
+ gd->ram_size = 0x80000000;
+#endif
+
+ return 0;
+}
+
+ulong board_get_usable_ram_top(ulong total_size)
+{
+#ifdef CONFIG_PHYS_64BIT
+ /* Limit RAM used by U-Boot to the DDR low region */
+ if (gd->ram_top > 0x100000000)
+ return 0x100000000;
+#endif
+
+ return gd->ram_top;
+}
+
+int dram_init_banksize(void)
+{
+ /* Bank 0 declares the memory available in the DDR low region */
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = 0x80000000;
+ gd->ram_size = 0x80000000;
+
+#ifdef CONFIG_PHYS_64BIT
+ /* Bank 1 declares the memory available in the DDR high region */
+ gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE1;
+ gd->bd->bi_dram[1].size = 0x80000000;
+ gd->ram_size = 0x100000000;
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ if (!strcmp(name, "k3-j721e-common-proc-board"))
+ return 0;
+
+ return -1;
+}
+#endif
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Configuration header file for K3 J721E EVM
+ *
+ * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ * Lokesh Vutla <lokeshvutla@ti.com>
+ */
+
+#ifndef __CONFIG_J721E_EVM_H
+#define __CONFIG_J721E_EVM_H
+
+#include <linux/sizes.h>
+#include <config_distro_bootcmd.h>
+#include <environment/ti/mmc.h>
+
+#define CONFIG_ENV_SIZE (128 << 10)
+
+/* DDR Configuration */
+#define CONFIG_SYS_SDRAM_BASE1 0x880000000
+
+/* SPL Loader Configuration */
+#ifdef CONFIG_TARGET_J721E_A72_EVM
+#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SPL_TEXT_BASE + \
+ CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE)
+#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x280000
+#else
+/*
+ * Maximum size in memory allocated to the SPL BSS. Keep it as tight as
+ * possible (to allow the build to go through), as this directly affects
+ * our memory footprint. The less we use for BSS the more we have available
+ * for everything else.
+ */
+#define CONFIG_SPL_BSS_MAX_SIZE 0xA000
+/*
+ * Link BSS to be within SPL in a dedicated region located near the top of
+ * the MCU SRAM, this way making it available also before relocation. Note
+ * that we are not using the actual top of the MCU SRAM as there is a memory
+ * location filled in by the boot ROM that we want to read out without any
+ * interference from the C context.
+ */
+#define CONFIG_SPL_BSS_START_ADDR (CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX -\
+ CONFIG_SPL_BSS_MAX_SIZE)
+/* Set the stack right below the SPL BSS section */
+#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SPL_BSS_START_ADDR
+/* Configure R5 SPL post-relocation malloc pool in DDR */
+#define CONFIG_SYS_SPL_MALLOC_START 0x84000000
+#define CONFIG_SYS_SPL_MALLOC_SIZE SZ_16M
+#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x80000
+#endif
+
+#ifdef CONFIG_SYS_K3_SPL_ATF
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin"
+#endif
+
+#define CONFIG_SPL_MAX_SIZE CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
+
+#define CONFIG_SYS_BOOTM_LEN SZ_64M
+#define CONFIG_CQSPI_REF_CLK 133333333
+
+/* U-Boot general configuration */
+#define EXTRA_ENV_J721E_BOARD_SETTINGS \
+ "default_device_tree=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
+ "findfdt=" \
+ "setenv fdtfile ${default_device_tree};" \
+ "setenv overlay_files ${name_overlays}\0" \
+ "loadaddr=0x80080000\0" \
+ "fdtaddr=0x82000000\0" \
+ "overlayaddr=0x83000000\0" \
+ "name_kern=Image\0" \
+ "console=ttyS2,115200n8\0" \
+ "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000\0" \
+ "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
+
+/* U-Boot MMC-specific configuration */
+#define EXTRA_ENV_J721E_BOARD_SETTINGS_MMC \
+ "boot=mmc\0" \
+ "mmcdev=1\0" \
+ "bootpart=1:2\0" \
+ "bootdir=/boot\0" \
+ "rd_spec=-\0" \
+ "init_mmc=run args_all args_mmc\0" \
+ "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
+ "get_overlay_mmc=" \
+ "fdt address ${fdtaddr};" \
+ "fdt resize 0x100000;" \
+ "for overlay in $overlay_files;" \
+ "do;" \
+ "load mmc ${bootpart} ${overlayaddr} ${bootdir}/${overlay} && " \
+ "fdt apply ${overlayaddr};" \
+ "done;\0" \
+ "get_kern_mmc=load mmc ${bootpart} ${loadaddr} " \
+ "${bootdir}/${name_kern}\0"
+
+/* Incorporate settings into the U-Boot environment */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ DEFAULT_MMC_TI_ARGS \
+ EXTRA_ENV_J721E_BOARD_SETTINGS \
+ EXTRA_ENV_J721E_BOARD_SETTINGS_MMC
+
+/* Now for the remaining common defines */
+#include <configs/ti_armv7_common.h>
+
+#endif /* __CONFIG_J721E_EVM_H */
projects / oweals / u-boot.git / commitdiff