From: Rick Chen rick@andestech.com
Add nx25-ae250 board configuartion options for RISC-V
Signed-off-by: Rick Chen rick@andestech.com Signed-off-by: Rick Chen rickchen36@gmail.com Signed-off-by: Greentime Hu green.hu@gmail.com --- include/configs/nx25-ae250.h | 126 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 126 insertions(+), 0 deletions(-) create mode 100644 include/configs/nx25-ae250.h
diff --git a/include/configs/nx25-ae250.h b/include/configs/nx25-ae250.h new file mode 100644 index 0000000..b523797 --- /dev/null +++ b/include/configs/nx25-ae250.h @@ -0,0 +1,126 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation rick@andestech.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * CPU and Board Configuration Options + */ +#define CONFIG_SKIP_LOWLEVEL_INIT + +#define CONFIG_CMDLINE_EDITING +#define CONFIG_BOOTP_SEND_HOSTNAME +#define CONFIG_BOOTP_SERVERIP + +#ifdef CONFIG_SKIP_LOWLEVEL_INIT +#define CONFIG_SYS_TEXT_BASE 0x00000000 +#ifdef CONFIG_OF_CONTROL +#undef CONFIG_OF_SEPARATE +#define CONFIG_OF_EMBED +#endif +#else +#define CONFIG_SYS_TEXT_BASE 0x80000000 +#endif + +/* + * Miscellaneous configurable options + */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ + +/* + * Print Buffer Size + */ +#define CONFIG_SYS_PBSIZE \ + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) + +/* + * max number of command args + */ +#define CONFIG_SYS_MAXARGS 16 + +/* + * Boot Argument Buffer Size + */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +/* + * Size of malloc() pool + * 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough + */ +#define CONFIG_SYS_MALLOC_LEN (512 << 10) + +/* + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 2 +#define PHYS_SDRAM_0 0x00000000 /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1 \ + (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) /* SDRAM Bank #2 */ +#define PHYS_SDRAM_0_SIZE 0x20000000 /* 512 MB */ +#define PHYS_SDRAM_1_SIZE 0x20000000 /* 512 MB */ +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_0 + +/* + * Serial console configuration + */ +#define CONFIG_CONS_INDEX 1 +#define CONFIG_SYS_NS16550_SERIAL +#ifndef CONFIG_DM_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE -4 +#endif +#define CONFIG_SYS_NS16550_CLK 19660800 + +/* + * SD (MMC) controller + */ +#define CONFIG_FTSDC010_NUMBER 1 +#define CONFIG_FTSDC010_SDIO + +/* Init Stack Pointer */ +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + 0x1000000 - \ + GENERATED_GBL_DATA_SIZE) + +/* + * Load address and memory test area should agree with + * arch/riscv/config.mk. Be careful not to overwrite U-Boot itself. + */ +#define CONFIG_SYS_LOAD_ADDR 0x100000 /* SDRAM */ + +/* + * memtest works on 512 MB in DRAM + */ +#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_0 +#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE) + +/* environments */ +#define CONFIG_ENV_SPI_BUS 0 +#define CONFIG_ENV_SPI_CS 0 +#define CONFIG_ENV_SPI_MAX_HZ 50000000 +#define CONFIG_ENV_SPI_MODE 0 +#define CONFIG_ENV_SECT_SIZE 0x1000 +#define CONFIG_ENV_OVERWRITE + +/* SPI FLASH */ +#define CONFIG_SF_DEFAULT_BUS 0 +#define CONFIG_SF_DEFAULT_CS 0 +#define CONFIG_SF_DEFAULT_SPEED 1000000 +#define CONFIG_SF_DEFAULT_MODE 0 + +/* + * For booting Linux, the board info and command line data + * have to be in the first 16 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ + +/* Initial Memory map for Linux*/ +#define CONFIG_SYS_BOOTMAPSZ (64 << 20) +/* Increase max gunzip size */ +#define CONFIG_SYS_BOOTM_LEN (64 << 20) + +#endif /* __CONFIG_H */