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)
24 #define CONFIG_SYS_NAND_ONFI_DETECTION
26 #define CONFIG_SYS_MAX_NAND_DEVICE 1
28 #define CONFIG_LOADADDR 0x82000000
30 /* We boot from the gfxRAM area of the OCRAM. */
31 #define CONFIG_BOARD_SIZE_LIMIT 520192
33 /* if no target-specific extra environment settings were defined by the
34 target, define an empty one */
35 #ifndef PCM052_EXTRA_ENV_SETTINGS
36 #define PCM052_EXTRA_ENV_SETTINGS
39 /* if no target-specific boot command was defined by the target,
40 define an empty one */
41 #ifndef PCM052_BOOTCOMMAND
42 #define PCM052_BOOTCOMMAND
45 /* if no target-specific extra environment settings were defined by the
46 target, define an empty one */
47 #ifndef PCM052_NET_INIT
48 #define PCM052_NET_INIT
51 /* boot command, including the target-defined one if any */
52 #define CONFIG_BOOTCOMMAND PCM052_BOOTCOMMAND "run bootcmd_nand"
54 /* Extra env settings (including the target-defined ones if any) */
55 #define CONFIG_EXTRA_ENV_SETTINGS \
56 PCM052_EXTRA_ENV_SETTINGS \
58 "fdt_high=0xffffffff\0" \
59 "initrd_high=0xffffffff\0" \
60 "blimg_file=u-boot.vyb\0" \
61 "blimg_addr=0x81000000\0" \
62 "kernel_file=zImage\0" \
63 "kernel_addr=0x82000000\0" \
64 "fdt_file=zImage.dtb\0" \
65 "fdt_addr=0x81000000\0" \
66 "ram_file=uRamdisk\0" \
67 "ram_addr=0x83000000\0" \
68 "filesys=rootfs.ubifs\0" \
69 "sys_addr=0x81000000\0" \
70 "tftploc=/path/to/tftp/directory/\0" \
71 "nfs_root=/path/to/nfs/root\0" \
72 "tftptimeout=1000\0" \
73 "tftptimeoutcountmax=1000000\0" \
74 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
75 "bootargs_base=setenv bootargs rw " \
76 " mem=" __stringify(CONFIG_PCM052_DDR_SIZE) "M " \
77 "console=ttyLP1,115200n8\0" \
78 "bootargs_sd=setenv bootargs ${bootargs} " \
79 "root=/dev/mmcblk0p2 rootwait\0" \
80 "bootargs_net=setenv bootargs ${bootargs} root=/dev/nfs ip=dhcp " \
81 "nfsroot=${serverip}:${nfs_root},v3,tcp\0" \
82 "bootargs_nand=setenv bootargs ${bootargs} " \
83 "ubi.mtd=5 rootfstype=ubifs root=ubi0:rootfs\0" \
84 "bootargs_ram=setenv bootargs ${bootargs} " \
85 "root=/dev/ram rw initrd=${ram_addr}\0" \
86 "bootargs_mtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
87 "bootcmd_sd=run bootargs_base bootargs_sd bootargs_mtd; " \
88 "fatload mmc 0:1 ${kernel_addr} ${kernel_file}; " \
89 "fatload mmc 0:1 ${fdt_addr} ${fdt_file}; " \
90 "bootz ${kernel_addr} - ${fdt_addr}\0" \
91 "bootcmd_net=run bootargs_base bootargs_net bootargs_mtd; " \
92 "tftpboot ${kernel_addr} ${tftpdir}${kernel_file}; " \
93 "tftpboot ${fdt_addr} ${tftpdir}${fdt_file}; " \
94 "bootz ${kernel_addr} - ${fdt_addr}\0" \
95 "bootcmd_nand=run bootargs_base bootargs_nand bootargs_mtd; " \
96 "nand read ${fdt_addr} dtb; " \
97 "nand read ${kernel_addr} kernel; " \
98 "bootz ${kernel_addr} - ${fdt_addr}\0" \
99 "bootcmd_ram=run bootargs_base bootargs_ram bootargs_mtd; " \
100 "nand read ${fdt_addr} dtb; " \
101 "nand read ${kernel_addr} kernel; " \
102 "nand read ${ram_addr} root; " \
103 "bootz ${kernel_addr} ${ram_addr} ${fdt_addr}\0" \
104 "update_bootloader_from_tftp=" PCM052_NET_INIT \
105 "if tftp ${blimg_addr} "\
106 "${tftpdir}${blimg_file}; then " \
107 "mtdparts default; " \
108 "nand erase.part bootloader; " \
109 "nand write ${blimg_addr} bootloader ${filesize}; fi\0" \
110 "update_kernel_from_sd=if fatload mmc 0:2 ${kernel_addr} " \
112 "then mtdparts default; " \
113 "nand erase.part kernel; " \
114 "nand write ${kernel_addr} kernel ${filesize}; " \
115 "if fatload mmc 0:2 ${fdt_addr} ${fdt_file}; then " \
116 "nand erase.part dtb; " \
117 "nand write ${fdt_addr} dtb ${filesize}; fi\0" \
118 "update_kernel_from_tftp=" PCM052_NET_INIT \
119 "if tftp ${fdt_addr} ${tftpdir}${fdt_file}; " \
120 "then setenv fdtsize ${filesize}; " \
121 "if tftp ${kernel_addr} ${tftpdir}${kernel_file}; then " \
122 "mtdparts default; " \
123 "nand erase.part dtb; " \
124 "nand write ${fdt_addr} dtb ${fdtsize}; " \
125 "nand erase.part kernel; " \
126 "nand write ${kernel_addr} kernel ${filesize}; fi; fi\0" \
127 "update_rootfs_from_tftp=" PCM052_NET_INIT \
128 "if tftp ${sys_addr} ${tftpdir}${filesys}; " \
129 "then mtdparts default; " \
130 "nand erase.part root; " \
132 "ubi create rootfs; " \
133 "ubi write ${sys_addr} rootfs ${filesize}; fi\0" \
134 "update_ramdisk_from_tftp=" PCM052_NET_INIT \
135 "if tftp ${ram_addr} ${tftpdir}${ram_file}; " \
136 "then mtdparts default; " \
137 "nand erase.part root; " \
138 "nand write ${ram_addr} root ${filesize}; fi\0"
140 /* Miscellaneous configurable options */
142 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
144 /* Physical memory map */
145 #define PHYS_SDRAM (0x80000000)
146 #define PHYS_SDRAM_SIZE (CONFIG_PCM052_DDR_SIZE * SZ_1M)
148 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
149 #define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
150 #define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE
152 #define CONFIG_SYS_INIT_SP_OFFSET \
153 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
154 #define CONFIG_SYS_INIT_SP_ADDR \
155 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
157 /* environment organization */