1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright 2013 Freescale Semiconductor, Inc.
5 * Configuration settings for the phytec PCM-052 SoM.
11 #include <asm/arch/imx-regs.h>
12 #include <linux/sizes.h>
13 #include <linux/stringify.h>
15 #define CONFIG_SKIP_LOWLEVEL_INIT
17 /* Enable passing of ATAGs */
18 #define CONFIG_CMDLINE_TAG
20 /* Size of malloc() pool */
21 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2 * SZ_1M)
23 /* Allow to overwrite serial and ethaddr */
24 #define CONFIG_ENV_OVERWRITE
27 #define CONFIG_SYS_NAND_ONFI_DETECTION
29 #define CONFIG_SYS_MAX_NAND_DEVICE 1
31 #define CONFIG_LOADADDR 0x82000000
33 /* We boot from the gfxRAM area of the OCRAM. */
34 #define CONFIG_BOARD_SIZE_LIMIT 520192
36 /* if no target-specific extra environment settings were defined by the
37 target, define an empty one */
38 #ifndef PCM052_EXTRA_ENV_SETTINGS
39 #define PCM052_EXTRA_ENV_SETTINGS
42 /* if no target-specific boot command was defined by the target,
43 define an empty one */
44 #ifndef PCM052_BOOTCOMMAND
45 #define PCM052_BOOTCOMMAND
48 /* if no target-specific extra environment settings were defined by the
49 target, define an empty one */
50 #ifndef PCM052_NET_INIT
51 #define PCM052_NET_INIT
54 /* boot command, including the target-defined one if any */
55 #define CONFIG_BOOTCOMMAND PCM052_BOOTCOMMAND "run bootcmd_nand"
57 /* Extra env settings (including the target-defined ones if any) */
58 #define CONFIG_EXTRA_ENV_SETTINGS \
59 PCM052_EXTRA_ENV_SETTINGS \
61 "fdt_high=0xffffffff\0" \
62 "initrd_high=0xffffffff\0" \
63 "blimg_file=u-boot.vyb\0" \
64 "blimg_addr=0x81000000\0" \
65 "kernel_file=zImage\0" \
66 "kernel_addr=0x82000000\0" \
67 "fdt_file=zImage.dtb\0" \
68 "fdt_addr=0x81000000\0" \
69 "ram_file=uRamdisk\0" \
70 "ram_addr=0x83000000\0" \
71 "filesys=rootfs.ubifs\0" \
72 "sys_addr=0x81000000\0" \
73 "tftploc=/path/to/tftp/directory/\0" \
74 "nfs_root=/path/to/nfs/root\0" \
75 "tftptimeout=1000\0" \
76 "tftptimeoutcountmax=1000000\0" \
77 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
78 "bootargs_base=setenv bootargs rw " \
79 " mem=" __stringify(CONFIG_PCM052_DDR_SIZE) "M " \
80 "console=ttyLP1,115200n8\0" \
81 "bootargs_sd=setenv bootargs ${bootargs} " \
82 "root=/dev/mmcblk0p2 rootwait\0" \
83 "bootargs_net=setenv bootargs ${bootargs} root=/dev/nfs ip=dhcp " \
84 "nfsroot=${serverip}:${nfs_root},v3,tcp\0" \
85 "bootargs_nand=setenv bootargs ${bootargs} " \
86 "ubi.mtd=5 rootfstype=ubifs root=ubi0:rootfs\0" \
87 "bootargs_ram=setenv bootargs ${bootargs} " \
88 "root=/dev/ram rw initrd=${ram_addr}\0" \
89 "bootargs_mtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
90 "bootcmd_sd=run bootargs_base bootargs_sd bootargs_mtd; " \
91 "fatload mmc 0:1 ${kernel_addr} ${kernel_file}; " \
92 "fatload mmc 0:1 ${fdt_addr} ${fdt_file}; " \
93 "bootz ${kernel_addr} - ${fdt_addr}\0" \
94 "bootcmd_net=run bootargs_base bootargs_net bootargs_mtd; " \
95 "tftpboot ${kernel_addr} ${tftpdir}${kernel_file}; " \
96 "tftpboot ${fdt_addr} ${tftpdir}${fdt_file}; " \
97 "bootz ${kernel_addr} - ${fdt_addr}\0" \
98 "bootcmd_nand=run bootargs_base bootargs_nand bootargs_mtd; " \
99 "nand read ${fdt_addr} dtb; " \
100 "nand read ${kernel_addr} kernel; " \
101 "bootz ${kernel_addr} - ${fdt_addr}\0" \
102 "bootcmd_ram=run bootargs_base bootargs_ram bootargs_mtd; " \
103 "nand read ${fdt_addr} dtb; " \
104 "nand read ${kernel_addr} kernel; " \
105 "nand read ${ram_addr} root; " \
106 "bootz ${kernel_addr} ${ram_addr} ${fdt_addr}\0" \
107 "update_bootloader_from_tftp=" PCM052_NET_INIT \
108 "if tftp ${blimg_addr} "\
109 "${tftpdir}${blimg_file}; then " \
110 "mtdparts default; " \
111 "nand erase.part bootloader; " \
112 "nand write ${blimg_addr} bootloader ${filesize}; fi\0" \
113 "update_kernel_from_sd=if fatload mmc 0:2 ${kernel_addr} " \
115 "then mtdparts default; " \
116 "nand erase.part kernel; " \
117 "nand write ${kernel_addr} kernel ${filesize}; " \
118 "if fatload mmc 0:2 ${fdt_addr} ${fdt_file}; then " \
119 "nand erase.part dtb; " \
120 "nand write ${fdt_addr} dtb ${filesize}; fi\0" \
121 "update_kernel_from_tftp=" PCM052_NET_INIT \
122 "if tftp ${fdt_addr} ${tftpdir}${fdt_file}; " \
123 "then setenv fdtsize ${filesize}; " \
124 "if tftp ${kernel_addr} ${tftpdir}${kernel_file}; then " \
125 "mtdparts default; " \
126 "nand erase.part dtb; " \
127 "nand write ${fdt_addr} dtb ${fdtsize}; " \
128 "nand erase.part kernel; " \
129 "nand write ${kernel_addr} kernel ${filesize}; fi; fi\0" \
130 "update_rootfs_from_tftp=" PCM052_NET_INIT \
131 "if tftp ${sys_addr} ${tftpdir}${filesys}; " \
132 "then mtdparts default; " \
133 "nand erase.part root; " \
135 "ubi create rootfs; " \
136 "ubi write ${sys_addr} rootfs ${filesize}; fi\0" \
137 "update_ramdisk_from_tftp=" PCM052_NET_INIT \
138 "if tftp ${ram_addr} ${tftpdir}${ram_file}; " \
139 "then mtdparts default; " \
140 "nand erase.part root; " \
141 "nand write ${ram_addr} root ${filesize}; fi\0"
143 /* Miscellaneous configurable options */
145 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
147 /* Physical memory map */
148 #define PHYS_SDRAM (0x80000000)
149 #define PHYS_SDRAM_SIZE (CONFIG_PCM052_DDR_SIZE * SZ_1M)
151 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
152 #define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
153 #define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE
155 #define CONFIG_SYS_INIT_SP_OFFSET \
156 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
157 #define CONFIG_SYS_INIT_SP_ADDR \
158 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
160 /* environment organization */
161 #ifdef CONFIG_ENV_IS_IN_MMC
162 #define CONFIG_SYS_MMC_ENV_DEV 0