am65x_evm: Allow bootm to load larger kernels
[platform/kernel/u-boot.git] / include / configs / am65x_evm.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Configuration header file for K3 AM654 EVM
4  *
5  * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
6  *      Lokesh Vutla <lokeshvutla@ti.com>
7  */
8
9 #ifndef __CONFIG_AM654_EVM_H
10 #define __CONFIG_AM654_EVM_H
11
12 #include <linux/sizes.h>
13 #include <config_distro_bootcmd.h>
14 #include <environment/ti/mmc.h>
15
16 #define CONFIG_ENV_SIZE                 (128 << 10)
17
18 /* DDR Configuration */
19 #define CONFIG_SYS_SDRAM_BASE1          0x880000000
20
21 /* SPL Loader Configuration */
22 #ifdef CONFIG_TARGET_AM654_A53_EVM
23 #define CONFIG_SPL_TEXT_BASE            0x80080000
24 #else
25 #define CONFIG_SPL_TEXT_BASE            0x41c00000
26 #endif
27
28 #ifdef CONFIG_SYS_K3_SPL_ATF
29 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin"
30 #endif
31
32 #ifndef CONFIG_CPU_V7R
33 #define CONFIG_SKIP_LOWLEVEL_INIT
34 #endif
35
36 #define CONFIG_SPL_MAX_SIZE             CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
37 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SPL_TEXT_BASE + \
38                                         CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE - 4)
39
40 #define CONFIG_SYS_BOOTM_LEN            SZ_64M
41
42 /* U-Boot general configuration */
43 #define EXTRA_ENV_AM65X_BOARD_SETTINGS                                  \
44         "findfdt="                                                      \
45                 "if test $board_name = am65x; then "                    \
46                         "setenv name_fdt k3-am654-base-board.dtb; "     \
47                 "else if test $name_fdt = undefined; then "             \
48                         "echo WARNING: Could not determine device tree to use;"\
49                 "fi; fi; "                                              \
50                 "setenv fdtfile ${name_fdt}\0"                          \
51         "loadaddr=0x80080000\0"                                         \
52         "fdtaddr=0x82000000\0"                                          \
53         "name_kern=Image\0"                                             \
54         "console=ttyS2,115200n8\0"                                      \
55         "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000\0" \
56         "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
57
58 /* U-Boot MMC-specific configuration */
59 #define EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC                              \
60         "boot=mmc\0"                                                    \
61         "mmcdev=1\0"                                                    \
62         "bootpart=1:2\0"                                                \
63         "bootdir=/boot\0"                                               \
64         "rd_spec=-\0"                                                   \
65         "init_mmc=run args_all args_mmc\0"                              \
66         "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${name_fdt}\0" \
67         "get_kern_mmc=load mmc ${bootpart} ${loadaddr} "                \
68                 "${bootdir}/${name_kern}\0"
69
70 /* Incorporate settings into the U-Boot environment */
71 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
72         DEFAULT_MMC_TI_ARGS                                             \
73         EXTRA_ENV_AM65X_BOARD_SETTINGS                                  \
74         EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC
75
76 /* Now for the remaining common defines */
77 #include <configs/ti_armv7_common.h>
78
79 #endif /* __CONFIG_AM654_EVM_H */