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 * FLASH and environment organization
86 /* use CFI framework */
87 #define CONFIG_SYS_FLASH_CFI
88 #define CONFIG_FLASH_CFI_DRIVER
90 #define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
91 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
92 #define CONFIG_SYS_CFI_FLASH_STATUS_POLL
95 #ifdef CONFIG_CFI_FLASH
96 #define CONFIG_SYS_MAX_FLASH_BANKS_DETECT 1
97 #endif/* Do not use CONFIG_FLASH_CFI_LEGACY to detect on board flash */
98 #define PHYS_FLASH_1 0x88000000 /* BANK 0 */
99 #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
100 #define CONFIG_SYS_FLASH_BANKS_LIST { PHYS_FLASH_1, }
101 #define CONFIG_SYS_MONITOR_BASE PHYS_FLASH_1
103 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* TO for Flash Erase (ms) */
104 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* TO for Flash Write (ms) */
106 /* max number of memory banks */
108 * There are 4 banks supported for this Controller,
109 * but we have only 1 bank connected to flash on board
111 #ifndef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
112 #define CONFIG_SYS_MAX_FLASH_BANKS 1
114 #define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
116 /* max number of sectors on one chip */
117 #define CONFIG_FLASH_SECTOR_SIZE (0x10000*2)
118 #define CONFIG_SYS_MAX_FLASH_SECT 512
121 #define CONFIG_ENV_SPI_BUS 0
122 #define CONFIG_ENV_SPI_CS 0
123 #define CONFIG_ENV_SPI_MAX_HZ 50000000
124 #define CONFIG_ENV_SPI_MODE 0
125 #define CONFIG_ENV_SECT_SIZE 0x1000
126 #define CONFIG_ENV_OVERWRITE
129 #define CONFIG_SF_DEFAULT_BUS 0
130 #define CONFIG_SF_DEFAULT_CS 0
131 #define CONFIG_SF_DEFAULT_SPEED 1000000
132 #define CONFIG_SF_DEFAULT_MODE 0
135 * For booting Linux, the board info and command line data
136 * have to be in the first 16 MB of memory, since this is
137 * the maximum mapped by the Linux kernel during initialization.
140 /* Initial Memory map for Linux*/
141 #define CONFIG_SYS_BOOTMAPSZ (64 << 20)
142 /* Increase max gunzip size */
143 #define CONFIG_SYS_BOOTM_LEN (64 << 20)
145 /* When we use RAM as ENV */
146 #define CONFIG_ENV_SIZE 0x2000
148 /* Enable distro boot */
149 #define BOOT_TARGET_DEVICES(func) \
152 #include <config_distro_bootcmd.h>
154 #define CONFIG_EXTRA_ENV_SETTINGS \
155 "kernel_addr_r=0x00080000\0" \
156 "pxefile_addr_r=0x01f00000\0" \
157 "scriptaddr=0x01f00000\0" \
158 "fdt_addr_r=0x02000000\0" \
159 "ramdisk_addr_r=0x02800000\0" \
162 #endif /* __CONFIG_H */