1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2017 Andes Technology Corporation
4 * Rick Chen, Andes Technology Corporation <rick@andestech.com>
10 #define RISCV_MMODE_TIMERBASE 0xe6000000
11 #define RISCV_MMODE_TIMER_FREQ 60000000
13 #define RISCV_SMODE_TIMER_FREQ 60000000
16 * CPU and Board Configuration Options
20 * Miscellaneous configurable options
23 /* DT blob (fdt) address */
24 #define CONFIG_SYS_FDT_BASE 0x800f0000
29 #define PHYS_SDRAM_0 0x00000000 /* SDRAM Bank #1 */
30 #define PHYS_SDRAM_1 \
31 (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */
32 #define PHYS_SDRAM_0_SIZE 0x20000000 /* 512 MB */
33 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
34 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
37 * Serial console configuration
39 #define CONFIG_SYS_NS16550_SERIAL
40 #ifndef CONFIG_DM_SERIAL
41 #define CONFIG_SYS_NS16550_REG_SIZE -4
43 #define CONFIG_SYS_NS16550_CLK 19660800
45 /* Init Stack Pointer */
48 #define PHYS_FLASH_1 0x88000000 /* BANK 0 */
49 #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
50 #define CONFIG_SYS_FLASH_BANKS_LIST { PHYS_FLASH_1, }
52 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* TO for Flash Erase (ms) */
53 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* TO for Flash Write (ms) */
55 /* max number of memory banks */
57 * There are 4 banks supported for this Controller,
58 * but we have only 1 bank connected to flash on board
60 #define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
62 /* max number of sectors on one chip */
63 #define CONFIG_FLASH_SECTOR_SIZE (0x10000*2)
64 #define CONFIG_SYS_MAX_FLASH_SECT 512
71 * For booting Linux, the board info and command line data
72 * have to be in the first 16 MB of memory, since this is
73 * the maximum mapped by the Linux kernel during initialization.
76 /* Initial Memory map for Linux*/
77 #define CONFIG_SYS_BOOTMAPSZ (64 << 20)
78 /* Increase max gunzip size */
79 #define CONFIG_SYS_BOOTM_LEN (64 << 20)
81 /* Support autoboot from RAM (kernel image is loaded via debug port) */
82 #define KERNEL_IMAGE_ADDR "0x2000000 "
83 #define BOOTENV_DEV_NAME_RAM(devtypeu, devtypel, instance) \
85 #define BOOTENV_DEV_RAM(devtypeu, devtypel, instance) \
91 /* When we use RAM as ENV */
93 /* Enable distro boot */
94 #define BOOT_TARGET_DEVICES(func) \
96 func(DHCP, dhcp, na) \
98 #include <config_distro_bootcmd.h>
100 #define CONFIG_EXTRA_ENV_SETTINGS \
101 "kernel_addr_r=0x00080000\0" \
102 "pxefile_addr_r=0x01f00000\0" \
103 "scriptaddr=0x01f00000\0" \
104 "fdt_addr_r=0x02000000\0" \
105 "ramdisk_addr_r=0x02800000\0" \
108 #endif /* __CONFIG_H */