pcm052.h
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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2013 Freescale Semiconductor, Inc.
*
* Configuration settings for the phytec PCM-052 SoM.
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#include <asm/arch/imx-regs.h>
#include <linux/sizes.h>
#define CONFIG_SKIP_LOWLEVEL_INIT
/* Enable passing of ATAGs */
#define CONFIG_CMDLINE_TAG
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2 * SZ_1M)
/* Allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
/* NAND support */
#define CONFIG_SYS_NAND_ONFI_DETECTION
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_LOADADDR 0x82000000
/* We boot from the gfxRAM area of the OCRAM. */
#define CONFIG_BOARD_SIZE_LIMIT 520192
/* if no target-specific extra environment settings were defined by the
target, define an empty one */
#ifndef PCM052_EXTRA_ENV_SETTINGS
#define PCM052_EXTRA_ENV_SETTINGS
#endif
/* if no target-specific boot command was defined by the target,
define an empty one */
#ifndef PCM052_BOOTCOMMAND
#define PCM052_BOOTCOMMAND
#endif
/* if no target-specific extra environment settings were defined by the
target, define an empty one */
#ifndef PCM052_NET_INIT
#define PCM052_NET_INIT
#endif
/* boot command, including the target-defined one if any */
#define CONFIG_BOOTCOMMAND PCM052_BOOTCOMMAND "run bootcmd_nand"
/* Extra env settings (including the target-defined ones if any) */
#define CONFIG_EXTRA_ENV_SETTINGS \
PCM052_EXTRA_ENV_SETTINGS \
"autoload=no\0" \
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
"blimg_file=u-boot.vyb\0" \
"blimg_addr=0x81000000\0" \
"kernel_file=zImage\0" \
"kernel_addr=0x82000000\0" \
"fdt_file=zImage.dtb\0" \
"fdt_addr=0x81000000\0" \
"ram_file=uRamdisk\0" \
"ram_addr=0x83000000\0" \
"filesys=rootfs.ubifs\0" \
"sys_addr=0x81000000\0" \
"tftploc=/path/to/tftp/directory/\0" \
"nfs_root=/path/to/nfs/root\0" \
"tftptimeout=1000\0" \
"tftptimeoutcountmax=1000000\0" \
"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
"bootargs_base=setenv bootargs rw " \
" mem=" __stringify(CONFIG_PCM052_DDR_SIZE) "M " \
"console=ttyLP1,115200n8\0" \
"bootargs_sd=setenv bootargs ${bootargs} " \
"root=/dev/mmcblk0p2 rootwait\0" \
"bootargs_net=setenv bootargs ${bootargs} root=/dev/nfs ip=dhcp " \
"nfsroot=${serverip}:${nfs_root},v3,tcp\0" \
"bootargs_nand=setenv bootargs ${bootargs} " \
"ubi.mtd=5 rootfstype=ubifs root=ubi0:rootfs\0" \
"bootargs_ram=setenv bootargs ${bootargs} " \
"root=/dev/ram rw initrd=${ram_addr}\0" \
"bootargs_mtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
"bootcmd_sd=run bootargs_base bootargs_sd bootargs_mtd; " \
"fatload mmc 0:1 ${kernel_addr} ${kernel_file}; " \
"fatload mmc 0:1 ${fdt_addr} ${fdt_file}; " \
"bootz ${kernel_addr} - ${fdt_addr}\0" \
"bootcmd_net=run bootargs_base bootargs_net bootargs_mtd; " \
"tftpboot ${kernel_addr} ${tftpdir}${kernel_file}; " \
"tftpboot ${fdt_addr} ${tftpdir}${fdt_file}; " \
"bootz ${kernel_addr} - ${fdt_addr}\0" \
"bootcmd_nand=run bootargs_base bootargs_nand bootargs_mtd; " \
"nand read ${fdt_addr} dtb; " \
"nand read ${kernel_addr} kernel; " \
"bootz ${kernel_addr} - ${fdt_addr}\0" \
"bootcmd_ram=run bootargs_base bootargs_ram bootargs_mtd; " \
"nand read ${fdt_addr} dtb; " \
"nand read ${kernel_addr} kernel; " \
"nand read ${ram_addr} root; " \
"bootz ${kernel_addr} ${ram_addr} ${fdt_addr}\0" \
"update_bootloader_from_tftp=" PCM052_NET_INIT \
"if tftp ${blimg_addr} "\
"${tftpdir}${blimg_file}; then " \
"mtdparts default; " \
"nand erase.part bootloader; " \
"nand write ${blimg_addr} bootloader ${filesize}; fi\0" \
"update_kernel_from_sd=if fatload mmc 0:2 ${kernel_addr} " \
"${kernel_file}; " \
"then mtdparts default; " \
"nand erase.part kernel; " \
"nand write ${kernel_addr} kernel ${filesize}; " \
"if fatload mmc 0:2 ${fdt_addr} ${fdt_file}; then " \
"nand erase.part dtb; " \
"nand write ${fdt_addr} dtb ${filesize}; fi\0" \
"update_kernel_from_tftp=" PCM052_NET_INIT \
"if tftp ${fdt_addr} ${tftpdir}${fdt_file}; " \
"then setenv fdtsize ${filesize}; " \
"if tftp ${kernel_addr} ${tftpdir}${kernel_file}; then " \
"mtdparts default; " \
"nand erase.part dtb; " \
"nand write ${fdt_addr} dtb ${fdtsize}; " \
"nand erase.part kernel; " \
"nand write ${kernel_addr} kernel ${filesize}; fi; fi\0" \
"update_rootfs_from_tftp=" PCM052_NET_INIT \
"if tftp ${sys_addr} ${tftpdir}${filesys}; " \
"then mtdparts default; " \
"nand erase.part root; " \
"ubi part root; " \
"ubi create rootfs; " \
"ubi write ${sys_addr} rootfs ${filesize}; fi\0" \
"update_ramdisk_from_tftp=" PCM052_NET_INIT \
"if tftp ${ram_addr} ${tftpdir}${ram_file}; " \
"then mtdparts default; " \
"nand erase.part root; " \
"nand write ${ram_addr} root ${filesize}; fi\0"
/* Miscellaneous configurable options */
#define CONFIG_SYS_MEMTEST_START 0x80010000
#define CONFIG_SYS_MEMTEST_END 0x87C00000
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
/* Physical memory map */
#define PHYS_SDRAM (0x80000000)
#define PHYS_SDRAM_SIZE (CONFIG_PCM052_DDR_SIZE * SZ_1M)
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE
#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)
/* environment organization */
#ifdef CONFIG_ENV_IS_IN_MMC
#define CONFIG_SYS_MMC_ENV_DEV 0
#endif
#endif