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
16 * Miscellaneous configurable options
18 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
23 #define CONFIG_SYS_PBSIZE \
24 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
27 * max number of command args
29 #define CONFIG_SYS_MAXARGS 16
32 * Boot Argument Buffer Size
34 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
37 * Size of malloc() pool
38 * 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough
40 #define CONFIG_SYS_MALLOC_LEN (512 << 10)
42 /* DT blob (fdt) address */
43 #define CONFIG_SYS_FDT_BASE 0x000f0000
48 #define CONFIG_NR_DRAM_BANKS 2
49 #define PHYS_SDRAM_0 0x00000000 /* SDRAM Bank #1 */
50 #define PHYS_SDRAM_1 \
51 (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */
52 #define PHYS_SDRAM_0_SIZE 0x20000000 /* 512 MB */
53 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
54 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
57 * Serial console configuration
59 #define CONFIG_SYS_NS16550_SERIAL
60 #ifndef CONFIG_DM_SERIAL
61 #define CONFIG_SYS_NS16550_REG_SIZE -4
63 #define CONFIG_SYS_NS16550_CLK 19660800
65 /* Init Stack Pointer */
66 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000000 - \
67 GENERATED_GBL_DATA_SIZE)
70 * Load address and memory test area should agree with
71 * arch/riscv/config.mk. Be careful not to overwrite U-Boot itself.
73 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* SDRAM */
76 * memtest works on 512 MB in DRAM
78 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_0
79 #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)
82 * FLASH and environment organization
85 /* use CFI framework */
86 #define CONFIG_SYS_FLASH_CFI
87 #define CONFIG_FLASH_CFI_DRIVER
89 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
90 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
91 #define CONFIG_SYS_CFI_FLASH_STATUS_POLL
94 #ifdef CONFIG_CFI_FLASH
95 #define CONFIG_SYS_MAX_FLASH_BANKS_DETECT 1
96 #endif/* Do not use CONFIG_FLASH_CFI_LEGACY to detect on board flash */
97 #define PHYS_FLASH_1 0x88000000 /* BANK 0 */
98 #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
99 #define CONFIG_SYS_FLASH_BANKS_LIST { PHYS_FLASH_1, }
100 #define CONFIG_SYS_MONITOR_BASE PHYS_FLASH_1
102 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* TO for Flash Erase (ms) */
103 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* TO for Flash Write (ms) */
105 /* max number of memory banks */
107 * There are 4 banks supported for this Controller,
108 * but we have only 1 bank connected to flash on board
110 #ifndef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
111 #define CONFIG_SYS_MAX_FLASH_BANKS 1
113 #define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
115 /* max number of sectors on one chip */
116 #define CONFIG_FLASH_SECTOR_SIZE (0x10000*2)
117 #define CONFIG_SYS_MAX_FLASH_SECT 512
120 #define CONFIG_ENV_SPI_BUS 0
121 #define CONFIG_ENV_SPI_CS 0
122 #define CONFIG_ENV_SPI_MAX_HZ 50000000
123 #define CONFIG_ENV_SPI_MODE 0
124 #define CONFIG_ENV_SECT_SIZE 0x1000
125 #define CONFIG_ENV_OVERWRITE
128 #define CONFIG_SF_DEFAULT_BUS 0
129 #define CONFIG_SF_DEFAULT_CS 0
130 #define CONFIG_SF_DEFAULT_SPEED 1000000
131 #define CONFIG_SF_DEFAULT_MODE 0
134 * For booting Linux, the board info and command line data
135 * have to be in the first 16 MB of memory, since this is
136 * the maximum mapped by the Linux kernel during initialization.
139 /* Initial Memory map for Linux*/
140 #define CONFIG_SYS_BOOTMAPSZ (64 << 20)
141 /* Increase max gunzip size */
142 #define CONFIG_SYS_BOOTM_LEN (64 << 20)
144 /* When we use RAM as ENV */
145 #define CONFIG_ENV_SIZE 0x2000
147 /* Enable distro boot */
148 #define BOOT_TARGET_DEVICES(func) \
151 #include <config_distro_bootcmd.h>
153 #define CONFIG_EXTRA_ENV_SETTINGS \
154 "kernel_addr_r=0x00080000\0" \
155 "pxefile_addr_r=0x01f00000\0" \
156 "scriptaddr=0x01f00000\0" \
157 "fdt_addr_r=0x02000000\0" \
158 "ramdisk_addr_r=0x02800000\0" \
161 #endif /* __CONFIG_H */