1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2017 Andes Technology Corporation
4 * Rick Chen, Andes Technology Corporation <rick@andestech.com>
11 #define CONFIG_SPL_BSS_START_ADDR 0x04000000
14 #define RISCV_MMODE_TIMERBASE 0xe6000000
15 #define RISCV_MMODE_TIMER_FREQ 60000000
17 #define RISCV_SMODE_TIMER_FREQ 60000000
20 * CPU and Board Configuration Options
24 * Miscellaneous configurable options
27 /* DT blob (fdt) address */
28 #define CONFIG_SYS_FDT_BASE 0x800f0000
33 #define PHYS_SDRAM_0 0x00000000 /* SDRAM Bank #1 */
34 #define PHYS_SDRAM_1 \
35 (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */
36 #define PHYS_SDRAM_0_SIZE 0x20000000 /* 512 MB */
37 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
38 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
41 * Serial console configuration
43 #define CONFIG_SYS_NS16550_SERIAL
44 #ifndef CONFIG_DM_SERIAL
45 #define CONFIG_SYS_NS16550_REG_SIZE -4
47 #define CONFIG_SYS_NS16550_CLK 19660800
49 /* Init Stack Pointer */
52 #define PHYS_FLASH_1 0x88000000 /* BANK 0 */
53 #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
54 #define CONFIG_SYS_FLASH_BANKS_LIST { PHYS_FLASH_1, }
56 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* TO for Flash Erase (ms) */
57 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* TO for Flash Write (ms) */
59 /* max number of memory banks */
61 * There are 4 banks supported for this Controller,
62 * but we have only 1 bank connected to flash on board
64 #define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
66 /* max number of sectors on one chip */
67 #define CONFIG_FLASH_SECTOR_SIZE (0x10000*2)
68 #define CONFIG_SYS_MAX_FLASH_SECT 512
75 * For booting Linux, the board info and command line data
76 * have to be in the first 16 MB of memory, since this is
77 * the maximum mapped by the Linux kernel during initialization.
80 /* Initial Memory map for Linux*/
81 #define CONFIG_SYS_BOOTMAPSZ (64 << 20)
82 /* Increase max gunzip size */
83 #define CONFIG_SYS_BOOTM_LEN (64 << 20)
85 /* Support autoboot from RAM (kernel image is loaded via debug port) */
86 #define KERNEL_IMAGE_ADDR "0x2000000 "
87 #define BOOTENV_DEV_NAME_RAM(devtypeu, devtypel, instance) \
89 #define BOOTENV_DEV_RAM(devtypeu, devtypel, instance) \
95 /* When we use RAM as ENV */
97 /* Enable distro boot */
98 #define BOOT_TARGET_DEVICES(func) \
100 func(DHCP, dhcp, na) \
102 #include <config_distro_bootcmd.h>
104 #define CONFIG_EXTRA_ENV_SETTINGS \
105 "kernel_addr_r=0x00080000\0" \
106 "pxefile_addr_r=0x01f00000\0" \
107 "scriptaddr=0x01f00000\0" \
108 "fdt_addr_r=0x02000000\0" \
109 "ramdisk_addr_r=0x02800000\0" \
112 #endif /* __CONFIG_H */