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_BOOTP_SEND_HOSTNAME
15 #define CONFIG_BOOTP_SERVERIP
18 * Miscellaneous configurable options
20 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
25 #define CONFIG_SYS_PBSIZE \
26 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
29 * max number of command args
31 #define CONFIG_SYS_MAXARGS 16
34 * Boot Argument Buffer Size
36 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
39 * Size of malloc() pool
40 * 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough
42 #define CONFIG_SYS_MALLOC_LEN (512 << 10)
44 /* DT blob (fdt) address */
45 #define CONFIG_SYS_FDT_BASE 0x000f0000
50 #define CONFIG_NR_DRAM_BANKS 2
51 #define PHYS_SDRAM_0 0x00000000 /* SDRAM Bank #1 */
52 #define PHYS_SDRAM_1 \
53 (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */
54 #define PHYS_SDRAM_0_SIZE 0x20000000 /* 512 MB */
55 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
56 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
59 * Serial console configuration
61 #define CONFIG_SYS_NS16550_SERIAL
62 #ifndef CONFIG_DM_SERIAL
63 #define CONFIG_SYS_NS16550_REG_SIZE -4
65 #define CONFIG_SYS_NS16550_CLK 19660800
67 /* Init Stack Pointer */
68 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000000 - \
69 GENERATED_GBL_DATA_SIZE)
72 * Load address and memory test area should agree with
73 * arch/riscv/config.mk. Be careful not to overwrite U-Boot itself.
75 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* SDRAM */
78 * memtest works on 512 MB in DRAM
80 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_0
81 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)
84 #define CONFIG_ENV_SPI_BUS 0
85 #define CONFIG_ENV_SPI_CS 0
86 #define CONFIG_ENV_SPI_MAX_HZ 50000000
87 #define CONFIG_ENV_SPI_MODE 0
88 #define CONFIG_ENV_SECT_SIZE 0x1000
89 #define CONFIG_ENV_OVERWRITE
92 #define CONFIG_SF_DEFAULT_BUS 0
93 #define CONFIG_SF_DEFAULT_CS 0
94 #define CONFIG_SF_DEFAULT_SPEED 1000000
95 #define CONFIG_SF_DEFAULT_MODE 0
98 * For booting Linux, the board info and command line data
99 * have to be in the first 16 MB of memory, since this is
100 * the maximum mapped by the Linux kernel during initialization.
103 /* Initial Memory map for Linux*/
104 #define CONFIG_SYS_BOOTMAPSZ (64 << 20)
105 /* Increase max gunzip size */
106 #define CONFIG_SYS_BOOTM_LEN (64 << 20)
108 #endif /* __CONFIG_H */