1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2017 Andes Technology Corporation
4 * Rick Chen, Andes Technology Corporation <rick@andestech.com>
11 * CPU and Board Configuration Options
13 #define CONFIG_BOOTP_SEND_HOSTNAME
14 #define CONFIG_BOOTP_SERVERIP
17 * Miscellaneous configurable options
19 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
24 #define CONFIG_SYS_PBSIZE \
25 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
28 * max number of command args
30 #define CONFIG_SYS_MAXARGS 16
33 * Boot Argument Buffer Size
35 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
38 * Size of malloc() pool
39 * 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough
41 #define CONFIG_SYS_MALLOC_LEN (512 << 10)
43 /* DT blob (fdt) address */
44 #define CONFIG_SYS_FDT_BASE 0x000f0000
49 #define CONFIG_NR_DRAM_BANKS 2
50 #define PHYS_SDRAM_0 0x00000000 /* SDRAM Bank #1 */
51 #define PHYS_SDRAM_1 \
52 (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */
53 #define PHYS_SDRAM_0_SIZE 0x20000000 /* 512 MB */
54 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
55 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
58 * Serial console configuration
60 #define CONFIG_SYS_NS16550_SERIAL
61 #ifndef CONFIG_DM_SERIAL
62 #define CONFIG_SYS_NS16550_REG_SIZE -4
64 #define CONFIG_SYS_NS16550_CLK 19660800
66 /* Init Stack Pointer */
67 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000000 - \
68 GENERATED_GBL_DATA_SIZE)
71 * Load address and memory test area should agree with
72 * arch/riscv/config.mk. Be careful not to overwrite U-Boot itself.
74 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* SDRAM */
77 * memtest works on 512 MB in DRAM
79 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_0
80 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)
83 #define CONFIG_ENV_SPI_BUS 0
84 #define CONFIG_ENV_SPI_CS 0
85 #define CONFIG_ENV_SPI_MAX_HZ 50000000
86 #define CONFIG_ENV_SPI_MODE 0
87 #define CONFIG_ENV_SECT_SIZE 0x1000
88 #define CONFIG_ENV_OVERWRITE
91 #define CONFIG_SF_DEFAULT_BUS 0
92 #define CONFIG_SF_DEFAULT_CS 0
93 #define CONFIG_SF_DEFAULT_SPEED 1000000
94 #define CONFIG_SF_DEFAULT_MODE 0
97 * For booting Linux, the board info and command line data
98 * have to be in the first 16 MB of memory, since this is
99 * the maximum mapped by the Linux kernel during initialization.
102 /* Initial Memory map for Linux*/
103 #define CONFIG_SYS_BOOTMAPSZ (64 << 20)
104 /* Increase max gunzip size */
105 #define CONFIG_SYS_BOOTM_LEN (64 << 20)
107 #endif /* __CONFIG_H */