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_MAX_SIZE 0x00100000
12 #define CONFIG_SPL_BSS_START_ADDR 0x04000000
13 #define CONFIG_SPL_BSS_MAX_SIZE 0x00100000
16 #define RISCV_MMODE_TIMERBASE 0xe6000000
17 #define RISCV_MMODE_TIMER_FREQ 60000000
19 #define RISCV_SMODE_TIMER_FREQ 60000000
22 * CPU and Board Configuration Options
26 * Miscellaneous configurable options
29 /* DT blob (fdt) address */
30 #define CONFIG_SYS_FDT_BASE 0x800f0000
35 #define PHYS_SDRAM_0 0x00000000 /* SDRAM Bank #1 */
36 #define PHYS_SDRAM_1 \
37 (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */
38 #define PHYS_SDRAM_0_SIZE 0x20000000 /* 512 MB */
39 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */
40 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0
43 * Serial console configuration
45 #define CONFIG_SYS_NS16550_SERIAL
46 #ifndef CONFIG_DM_SERIAL
47 #define CONFIG_SYS_NS16550_REG_SIZE -4
49 #define CONFIG_SYS_NS16550_CLK 19660800
51 /* Init Stack Pointer */
52 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000000 - \
53 GENERATED_GBL_DATA_SIZE)
56 #define PHYS_FLASH_1 0x88000000 /* BANK 0 */
57 #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
58 #define CONFIG_SYS_FLASH_BANKS_LIST { PHYS_FLASH_1, }
60 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* TO for Flash Erase (ms) */
61 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* TO for Flash Write (ms) */
63 /* max number of memory banks */
65 * There are 4 banks supported for this Controller,
66 * but we have only 1 bank connected to flash on board
68 #define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
70 /* max number of sectors on one chip */
71 #define CONFIG_FLASH_SECTOR_SIZE (0x10000*2)
72 #define CONFIG_SYS_MAX_FLASH_SECT 512
79 * For booting Linux, the board info and command line data
80 * have to be in the first 16 MB of memory, since this is
81 * the maximum mapped by the Linux kernel during initialization.
84 /* Initial Memory map for Linux*/
85 #define CONFIG_SYS_BOOTMAPSZ (64 << 20)
86 /* Increase max gunzip size */
87 #define CONFIG_SYS_BOOTM_LEN (64 << 20)
89 /* Support autoboot from RAM (kernel image is loaded via debug port) */
90 #define KERNEL_IMAGE_ADDR "0x2000000 "
91 #define BOOTENV_DEV_NAME_RAM(devtypeu, devtypel, instance) \
93 #define BOOTENV_DEV_RAM(devtypeu, devtypel, instance) \
99 /* When we use RAM as ENV */
101 /* Enable distro boot */
102 #define BOOT_TARGET_DEVICES(func) \
104 func(DHCP, dhcp, na) \
106 #include <config_distro_bootcmd.h>
108 #define CONFIG_EXTRA_ENV_SETTINGS \
109 "kernel_addr_r=0x00080000\0" \
110 "pxefile_addr_r=0x01f00000\0" \
111 "scriptaddr=0x01f00000\0" \
112 "fdt_addr_r=0x02000000\0" \
113 "ramdisk_addr_r=0x02800000\0" \
116 #endif /* __CONFIG_H */