2 * Copyright (C) 2017 Andes Technology Corporation
3 * Rick Chen, Andes Technology Corporation <rick@andestech.com>
5 * SPDX-License-Identifier: GPL-2.0+
12 * CPU and Board Configuration Options
14 #define CONFIG_SKIP_LOWLEVEL_INIT
16 #define CONFIG_BOOTP_SEND_HOSTNAME
17 #define CONFIG_BOOTP_SERVERIP
19 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
20 #ifdef CONFIG_OF_CONTROL
21 #undef CONFIG_OF_SEPARATE
22 #define CONFIG_OF_EMBED
27 * Miscellaneous configurable options
29 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
34 #define CONFIG_SYS_PBSIZE \
35 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
38 * max number of command args
40 #define CONFIG_SYS_MAXARGS 16
43 * Boot Argument Buffer Size
45 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
48 * Size of malloc() pool
49 * 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough
51 #define CONFIG_SYS_MALLOC_LEN (512 << 10)
56 #define CONFIG_NR_DRAM_BANKS 2
57 #define PHYS_SDRAM_0 0x00000000 /* SDRAM Bank #1 */
58 #define PHYS_SDRAM_1 \
59 (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */
60 #define PHYS_SDRAM_0_SIZE 0x20000000 /* 512 MB */
61 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
62 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
65 * Serial console configuration
67 #define CONFIG_SYS_NS16550_SERIAL
68 #ifndef CONFIG_DM_SERIAL
69 #define CONFIG_SYS_NS16550_REG_SIZE -4
71 #define CONFIG_SYS_NS16550_CLK 19660800
76 #define CONFIG_FTSDC010_NUMBER 1
77 #define CONFIG_FTSDC010_SDIO
79 /* Init Stack Pointer */
80 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000000 - \
81 GENERATED_GBL_DATA_SIZE)
84 * Load address and memory test area should agree with
85 * arch/riscv/config.mk. Be careful not to overwrite U-Boot itself.
87 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* SDRAM */
90 * memtest works on 512 MB in DRAM
92 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_0
93 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)
96 #define CONFIG_ENV_SPI_BUS 0
97 #define CONFIG_ENV_SPI_CS 0
98 #define CONFIG_ENV_SPI_MAX_HZ 50000000
99 #define CONFIG_ENV_SPI_MODE 0
100 #define CONFIG_ENV_SECT_SIZE 0x1000
101 #define CONFIG_ENV_OVERWRITE
104 #define CONFIG_SF_DEFAULT_BUS 0
105 #define CONFIG_SF_DEFAULT_CS 0
106 #define CONFIG_SF_DEFAULT_SPEED 1000000
107 #define CONFIG_SF_DEFAULT_MODE 0
110 * For booting Linux, the board info and command line data
111 * have to be in the first 16 MB of memory, since this is
112 * the maximum mapped by the Linux kernel during initialization.
115 /* Initial Memory map for Linux*/
116 #define CONFIG_SYS_BOOTMAPSZ (64 << 20)
117 /* Increase max gunzip size */
118 #define CONFIG_SYS_BOOTM_LEN (64 << 20)
120 #endif /* __CONFIG_H */