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diff --git a/include/configs/siemens-am33x-common.h b/include/configs/siemens-am33x-common.h
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * siemens am33x common board options
+ * (C) Copyright 2013 Siemens Schweiz AG
+ * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * Based on:
+ * U-Boot file:/include/configs/am335x_evm.h
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+#ifndef __CONFIG_SIEMENS_AM33X_COMMON_H
+#define __CONFIG_SIEMENS_AM33X_COMMON_H
+
+#include <asm/arch/omap.h>
+
+#define CONFIG_DMA_COHERENT
+#define CONFIG_DMA_COHERENT_SIZE (1 << 20)
+
+#define CONFIG_SYS_MALLOC_LEN (16 * 1024 * 1024)
+#ifdef CONFIG_SIEMENS_MACH_TYPE
+#define CONFIG_MACH_TYPE CONFIG_SIEMENS_MACH_TYPE
+#endif
+
+#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+
+/* commands to include */
+
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_ROOTPATH "/opt/eldk"
+#endif
+
+#define CONFIG_ENV_OVERWRITE 1
+
+#define CONFIG_SYS_AUTOLOAD "yes"
+
+/* Clock Defines */
+#define V_OSCK 24000000 /* Clock output from T2 */
+#define V_SCLK (V_OSCK)
+
+/* We set the max number of command args high to avoid HUSH bugs. */
+#define CONFIG_SYS_MAXARGS 32
+
+/* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE 1024
+
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+/*
+ * memtest works on 8 MB in DRAM after skipping 32MB from
+ * start addr of ram disk
+ */
+#define CONFIG_SYS_MEMTEST_START (PHYS_DRAM_1 + (64 * 1024 * 1024))
+#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START \
+ + (8 * 1024 * 1024))
+
+#define CONFIG_SYS_LOAD_ADDR 0x81000000 /* Default load address */
+
+ /* Physical Memory Map */
+#define PHYS_DRAM_1 0x80000000 /* DRAM Bank #1 */
+
+#define CONFIG_SYS_SDRAM_BASE PHYS_DRAM_1
+#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
+ GENERATED_GBL_DATA_SIZE)
+ /* Platform/Board specific defs */
+#define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
+#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
+
+/* NS16550 Configuration */
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE (-4)
+#endif
+#define CONFIG_SYS_NS16550_CLK (48000000)
+#define CONFIG_SYS_NS16550_COM1 0x44e09000
+#define CONFIG_SYS_NS16550_COM4 0x481a6000
+
+
+/* I2C Configuration */
+#define CONFIG_I2C
+#define CONFIG_SYS_I2C
+
+/* Defines for SPL */
+#define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
+ CONFIG_SPL_TEXT_BASE)
+
+#define CONFIG_SPL_BSS_START_ADDR 0x80000000
+#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
+
+#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
+
+#define CONFIG_SPL_NAND_BASE
+#define CONFIG_SPL_NAND_DRIVERS
+#define CONFIG_SPL_NAND_ECC
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
+ CONFIG_SYS_NAND_PAGE_SIZE)
+#define CONFIG_SYS_NAND_PAGE_SIZE 2048
+#define CONFIG_SYS_NAND_OOBSIZE 64
+#define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
+#define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
+ 10, 11, 12, 13, 14, 15, 16, 17, \
+ 18, 19, 20, 21, 22, 23, 24, 25, \
+ 26, 27, 28, 29, 30, 31, 32, 33, \
+ 34, 35, 36, 37, 38, 39, 40, 41, \
+ 42, 43, 44, 45, 46, 47, 48, 49, \
+ 50, 51, 52, 53, 54, 55, 56, 57, }
+
+#define CONFIG_SYS_NAND_ECCSIZE 512
+#define CONFIG_SYS_NAND_ECCBYTES 14
+#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
+
+#define CONFIG_SYS_NAND_ECCSTEPS 4
+#define CONFIG_SYS_NAND_ECCTOTAL (CONFIG_SYS_NAND_ECCBYTES * \
+ CONFIG_SYS_NAND_ECCSTEPS)
+
+#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
+
+#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
+
+/*
+ * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
+ * 64 bytes before this address should be set aside for u-boot.img's
+ * header. That is 0x800FFFC0--0x80100000 should not be used for any
+ * other needs.
+ */
+#define CONFIG_SYS_SPL_MALLOC_START 0x80208000
+#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
+
+/*
+ * Since SPL did pll and ddr initialization for us,
+ * we don't need to do it twice.
+ */
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#endif
+
+#ifndef CONFIG_SPL_BUILD
+/*
+ * USB configuration
+ */
+#define CONFIG_AM335X_USB0
+#define CONFIG_AM335X_USB0_MODE MUSB_PERIPHERAL
+#define CONFIG_AM335X_USB1
+#define CONFIG_AM335X_USB1_MODE MUSB_HOST
+
+/* USB DRACO ID as default */
+#define CONFIG_USBD_HS
+
+/* USB Device Firmware Update support */
+#define CONFIG_SYS_DFU_DATA_BUF_SIZE (1 << 20)
+#define DFU_MANIFEST_POLL_TIMEOUT 25000
+
+#endif /* CONFIG_SPL_BUILD */
+
+/*
+ * Default to using SPI for environment, etc. We have multiple copies
+ * of SPL as the ROM will check these locations.
+ * 0x0 - 0x20000 : First copy of SPL
+ * 0x20000 - 0x40000 : Second copy of SPL
+ * 0x40000 - 0x60000 : Third copy of SPL
+ * 0x60000 - 0x80000 : Fourth copy of SPL
+ * 0x80000 - 0xDF000 : U-Boot
+ * 0xDF000 - 0xE0000 : U-Boot Environment
+ * 0xE0000 - 0x442000 : Linux Kernel
+ * 0x442000 - 0x800000 : Userland
+ */
+#if defined(CONFIG_SPI_BOOT)
+# define CONFIG_ENV_OFFSET (892 << 10) /* 892 KiB in */
+# define CONFIG_ENV_SECT_SIZE (4 << 10) /* 4 KB sectors */
+#endif /* SPI support */
+
+#define CONFIG_BOOTP_DEFAULT
+#define CONFIG_BOOTP_DNS2
+#define CONFIG_BOOTP_SEND_HOSTNAME
+#define CONFIG_NET_RETRY_COUNT 10
+
+/* NAND support */
+#ifdef CONFIG_NAND
+/* UBI Support */
+
+/* Commen environment */
+#define COMMON_ENV_DFU_ARGS "dfu_args=run bootargs_defaults;" \
+ "setenv bootargs ${bootargs};" \
+ "mtdparts default;" \
+ "draco_led 1;" \
+ "dfu 0 nand 0;" \
+ "draco_led 0;\0" \
+
+#define COMMON_ENV_NAND_BOOT \
+ "nand_boot=echo Booting from nand; " \
+ "if test ${upgrade_available} -eq 1; then " \
+ "if test ${bootcount} -gt ${bootlimit}; " \
+ "then " \
+ "setenv upgrade_available 0;" \
+ "setenv ${partitionset_active} true;" \
+ "if test -n ${A}; then " \
+ "setenv partitionset_active B; " \
+ "env delete A; " \
+ "fi;" \
+ "if test -n ${B}; then " \
+ "setenv partitionset_active A; " \
+ "env delete B; " \
+ "fi;" \
+ "saveenv; " \
+ "fi;" \
+ "fi;" \
+ "echo set ${partitionset_active}...;" \
+ "run nand_args; "
+
+#define COMMON_ENV_NAND_CMDS "flash_self=run nand_boot\0" \
+ "flash_self_test=setenv testargs test; " \
+ "run nand_boot\0" \
+ "dfu_start=echo Preparing for dfu mode ...; " \
+ "run dfu_args; \0"
+
+#define COMMON_ENV_SETTINGS \
+ "verify=no \0" \
+ "project_dir=targetdir\0" \
+ "upgrade_available=0\0" \
+ "altbootcmd=run bootcmd\0" \
+ "partitionset_active=A\0" \
+ "loadaddr=0x82000000\0" \
+ "kloadaddr=0x81000000\0" \
+ "script_addr=0x81900000\0" \
+ "console=console=ttyMTD,mtdoops console=ttyO0,115200n8 panic=5\0" \
+ "nfsopts=nolock rw\0" \
+ "ip_method=none\0" \
+ "bootenv=uEnv.txt\0" \
+ "bootargs_defaults=setenv bootargs " \
+ "console=${console} " \
+ "${testargs} " \
+ "${optargs}\0" \
+ "siemens_help=echo; "\
+ "echo Type 'run flash_self' to use kernel and root " \
+ "filesystem on memory; echo Type 'run flash_self_test' to " \
+ "use kernel and root filesystem on memory, boot in test " \
+ "mode; echo Not ready yet: 'run flash_nfs' to use kernel " \
+ "from memory and root filesystem over NFS; echo Type " \
+ "'run net_nfs' to get Kernel over TFTP and mount root " \
+ "filesystem over NFS; " \
+ "echo Set partitionset_active variable to 'A' " \
+ "or 'B' to select kernel and rootfs partition; " \
+ "echo" \
+ "\0"
+
+/*
+ * Variant 1 partition layout
+ * chip-size = 256MiB
+ *| name | size | address area |
+ *-------------------------------------------------------
+ *| spl | 128.000 KiB | 0x 0..0x 1ffff |
+ *| spl.backup1 | 128.000 KiB | 0x 20000..0x 3ffff |
+ *| spl.backup2 | 128.000 KiB | 0x 40000..0x 5ffff |
+ *| spl.backup3 | 128.000 KiB | 0x 60000..0x 7ffff |
+ *| u-boot | 1.875 MiB | 0x 80000..0x 25ffff |
+ *| uboot.env | 128.000 KiB | 0x 260000..0x 27ffff |
+ *| kernel_a | 5.000 MiB | 0x 280000..0x 77ffff |
+ *| kernel_b | 5.000 MiB | 0x 780000..0x c7ffff |
+ *| mtdoops | 8.000 MiB | 0x c80000..0x 147ffff |
+ *| rootfs | 235.500 MiB | 0x 1480000..0x fffffff |
+ *-------------------------------------------------------
+
+ "mtdparts=omap2-nand.0:" \
+ "128k(spl)," \
+ "128k(spl.backup1)," \
+ "128k(spl.backup2)," \
+ "128k(spl.backup3)," \
+ "1920k(u-boot)," \
+ "128k(uboot.env)," \
+ "5120k(kernel_a)," \
+ "5120k(kernel_b)," \
+ "8192k(mtdoops)," \
+ "-(rootfs)"
+ */
+
+#define DFU_ALT_INFO_NAND_V1 \
+ "spl part 0 1;" \
+ "spl.backup1 part 0 2;" \
+ "spl.backup2 part 0 3;" \
+ "spl.backup3 part 0 4;" \
+ "u-boot part 0 5;" \
+ "u-boot.env part 0 6;" \
+ "kernel_a part 0 7;" \
+ "kernel_b part 0 8;" \
+ "rootfs partubi 0 10"
+
+#define CONFIG_ENV_SETTINGS_NAND_V1 \
+ "nand_active_ubi_vol=rootfs_a\0" \
+ "nand_active_ubi_vol_A=rootfs_a\0" \
+ "nand_active_ubi_vol_B=rootfs_b\0" \
+ "nand_root_fs_type=ubifs rootwait=1\0" \
+ "nand_src_addr=0x280000\0" \
+ "nand_src_addr_A=0x280000\0" \
+ "nand_src_addr_B=0x780000\0" \
+ "nand_args=run bootargs_defaults;" \
+ "mtdparts default;" \
+ "setenv ${partitionset_active} true;" \
+ "if test -n ${A}; then " \
+ "setenv nand_active_ubi_vol ${nand_active_ubi_vol_A};" \
+ "setenv nand_src_addr ${nand_src_addr_A};" \
+ "fi;" \
+ "if test -n ${B}; then " \
+ "setenv nand_active_ubi_vol ${nand_active_ubi_vol_B};" \
+ "setenv nand_src_addr ${nand_src_addr_B};" \
+ "fi;" \
+ "setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
+ "ubi.mtd=9,${ubi_off};" \
+ "setenv bootargs ${bootargs} " \
+ "root=${nand_root} noinitrd ${mtdparts} " \
+ "rootfstype=${nand_root_fs_type} ip=${ip_method} " \
+ "console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
+ "=mtdoops\0" \
+ COMMON_ENV_DFU_ARGS \
+ "dfu_alt_info=" DFU_ALT_INFO_NAND_V1 "\0" \
+ COMMON_ENV_NAND_BOOT \
+ "nand read.i ${kloadaddr} ${nand_src_addr} " \
+ "${nand_img_size}; bootm ${kloadaddr}\0" \
+ COMMON_ENV_NAND_CMDS
+
+#define CONFIG_ENV_SETTINGS_V1 \
+ COMMON_ENV_SETTINGS \
+ "net_args=run bootargs_defaults;" \
+ "mtdparts default;" \
+ "setenv bootfile ${project_dir}/kernel/uImage;" \
+ "setenv rootpath /home/projects/${project_dir}/rootfs;" \
+ "setenv bootargs ${bootargs} " \
+ "root=/dev/nfs ${mtdparts} " \
+ "nfsroot=${serverip}:${rootpath},${nfsopts} " \
+ "ip=${ipaddr}:${serverip}:" \
+ "${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
+ "net_nfs=echo Booting from network ...; " \
+ "run net_args; " \
+ "tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
+ "bootm ${kloadaddr}\0"
+
+/*
+ * Variant 2 partition layout (default)
+ * chip-size = 256MiB or 512 MiB
+ *| name | size | address area |
+ *-------------------------------------------------------
+ *| spl | 128.000 KiB | 0x 0..0x 1ffff |
+ *| spl.backup1 | 128.000 KiB | 0x 20000..0x 3ffff |
+ *| spl.backup2 | 128.000 KiB | 0x 40000..0x 5ffff |
+ *| spl.backup3 | 128.000 KiB | 0x 60000..0x 7ffff |
+ *| u-boot | 1.875 MiB | 0x 80000..0x 25ffff |
+ *| uboot.env0 | 512.000 KiB | 0x 260000..0x 2Dffff |
+ *| uboot.env1 | 512.000 KiB | 0x 2E0000..0x 35ffff |
+ *| mtdoops | 512.000 KiB | 0x 360000..0x 3dffff |
+ *| (256) rootfs | 252.125 MiB | 0x 3E0000..0x fffffff |
+ *| (512) rootfs | 508.125 MiB | 0x 3E0000..0x1fffffff |
+ *-------------------------------------------------------
+ */
+
+#define DFU_ALT_INFO_NAND_V2 \
+ "spl part 0 1;" \
+ "spl.backup1 part 0 2;" \
+ "spl.backup2 part 0 3;" \
+ "spl.backup3 part 0 4;" \
+ "u-boot part 0 5;" \
+ "u-boot.env0 part 0 6;" \
+ "u-boot.env1 part 0 7;" \
+ "rootfs partubi 0 9" \
+
+#define CONFIG_ENV_SETTINGS_NAND_V2 \
+ "nand_active_ubi_vol=rootfs_a\0" \
+ "rootfs_name=rootfs\0" \
+ "kernel_name=uImage\0"\
+ "nand_root_fs_type=ubifs rootwait=1\0" \
+ "nand_args=run bootargs_defaults;" \
+ "mtdparts default;" \
+ "setenv ${partitionset_active} true;" \
+ "if test -n ${A}; then " \
+ "setenv nand_active_ubi_vol ${rootfs_name}_a;" \
+ "fi;" \
+ "if test -n ${B}; then " \
+ "setenv nand_active_ubi_vol ${rootfs_name}_b;" \
+ "fi;" \
+ "setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
+ "ubi.mtd=rootfs,2048;" \
+ "setenv bootargs ${bootargs} " \
+ "root=${nand_root} noinitrd ${mtdparts} " \
+ "rootfstype=${nand_root_fs_type} ip=${ip_method} " \
+ "console=ttyMTD,mtdoops console=ttyO0,115200n8 mtdoops.mtddev" \
+ "=mtdoops\0" \
+ COMMON_ENV_DFU_ARGS \
+ "dfu_alt_info=" DFU_ALT_INFO_NAND_V2 "\0" \
+ COMMON_ENV_NAND_BOOT \
+ "ubi part rootfs ${ubi_off};" \
+ "ubifsmount ubi0:${nand_active_ubi_vol};" \
+ "ubifsload ${kloadaddr} boot/${kernel_name};" \
+ "ubifsload ${loadaddr} boot/${dtb_name}.dtb;" \
+ "bootm ${kloadaddr} - ${loadaddr}\0" \
+ "nand_boot_backup=ubifsload ${loadaddr} boot/am335x-draco.dtb;" \
+ "bootm ${kloadaddr} - ${loadaddr}\0" \
+ COMMON_ENV_NAND_CMDS
+
+#define CONFIG_ENV_SETTINGS_V2 \
+ COMMON_ENV_SETTINGS \
+ "net_args=run bootargs_defaults;" \
+ "mtdparts default;" \
+ "setenv bootfile ${project_dir}/kernel/uImage;" \
+ "setenv bootdtb ${project_dir}/kernel/dtb;" \
+ "setenv rootpath /home/projects/${project_dir}/rootfs;" \
+ "setenv bootargs ${bootargs} " \
+ "root=/dev/nfs ${mtdparts} " \
+ "nfsroot=${serverip}:${rootpath},${nfsopts} " \
+ "ip=${ipaddr}:${serverip}:" \
+ "${gatewayip}:${netmask}:${hostname}:eth0:off\0" \
+ "net_nfs=echo Booting from network ...; " \
+ "run net_args; " \
+ "tftpboot ${kloadaddr} ${serverip}:${bootfile}; " \
+ "tftpboot ${loadaddr} ${serverip}:${bootdtb}; " \
+ "bootm ${kloadaddr} - ${loadaddr}\0"
+
+/*
+ * Variant 3 partition layout
+ * chip-size = 512MiB
+ *| name | size | address area |
+ *-------------------------------------------------------
+ *| spl | 128.000 KiB | 0x 0..0x 1ffff |
+ *| spl.backup1 | 128.000 KiB | 0x 20000..0x 3ffff |
+ *| spl.backup2 | 128.000 KiB | 0x 40000..0x 5ffff |
+ *| spl.backup3 | 128.000 KiB | 0x 60000..0x 7ffff |
+ *| u-boot | 1.875 MiB | 0x 80000..0x 25ffff |
+ *| uboot.env0 | 512.000 KiB | 0x 260000..0x 2Dffff |
+ *| uboot.env1 | 512.000 KiB | 0x 2E0000..0x 35ffff |
+ *| rootfs | 300.000 MiB | 0x 360000..0x12f5ffff |
+ *| mtdoops | 512.000 KiB | 0x12f60000..0x12fdffff |
+ *|configuration | 104.125 MiB | 0x12fe0000..0x1fffffff |
+ *-------------------------------------------------------
+
+ "mtdparts=omap2-nand.0:" \
+ "128k(spl)," \
+ "128k(spl.backup1)," \
+ "128k(spl.backup2)," \
+ "128k(spl.backup3)," \
+ "1920k(u-boot)," \
+ "512k(u-boot.env0)," \
+ "512k(u-boot.env1)," \
+ "300m(rootfs)," \
+ "512k(mtdoops)," \
+ "-(configuration)"
+
+ */
+
+#define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */
+ /* to access nand at */
+ /* CS0 */
+#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND
+ devices */
+#if !defined(CONFIG_SPI_BOOT)
+#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
+#endif
+#endif
+
+/* Reboot after 60 sec if bootcmd fails */
+#define CONFIG_RESET_TO_RETRY
+#define CONFIG_BOOT_RETRY_TIME 60
+
+#endif /* ! __CONFIG_SIEMENS_AM33X_COMMON_H */
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