| /* 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> |
| #include <linux/stringify.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_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 |