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riscv: board: Add nx25-ae250 to support RISC-V

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Add nx25-ae250 board to do platform initializations.

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>
This commit is contained in:
Rick Chen 2017-12-26 13:55:53 +08:00 committed by Tom Rini
parent f94c44e51e
commit 7885ea8568
4 changed files with 115 additions and 0 deletions
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24
board/AndesTech/nx25-ae250/Kconfig Normal file
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if TARGET_NX25_AE250
config SYS_CPU
default "nx25"
config SYS_BOARD
default "nx25-ae250"
config SYS_VENDOR
default "AndesTech"
config SYS_SOC
default "ae250"
config SYS_CONFIG_NAME
default "nx25-ae250"
config ENV_SIZE
default 0x2000 if ENV_IS_IN_SPI_FLASH
config ENV_OFFSET
default 0x140000 if ENV_IS_IN_SPI_FLASH
endif

6
board/AndesTech/nx25-ae250/MAINTAINERS Normal file
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NX25-AE250 BOARD
M: Rick Chen <rick@andestech.com>
S: Maintained
F: board/AndesTech/nx25-ae250/
F: include/configs/nx25-ae250.h
F: configs/nx25-ae250_defconfig

8
board/AndesTech/nx25-ae250/Makefile Normal file
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#
# Copyright (C) 2017 Andes Technology Corporation.
# Rick Chen, Andes Technology Corporation <rick@andestech.com>
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y := nx25-ae250.o

77
board/AndesTech/nx25-ae250/nx25-ae250.c Normal file
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/*
* Copyright (C) 2017 Andes Technology Corporation
* Rick Chen, Andes Technology Corporation <rick@andestech.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/mach-types.h>
#include <common.h>
#if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
#include <netdev.h>
#endif
#include <linux/io.h>
#include <faraday/ftsdc010.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* Miscellaneous platform dependent initializations
*/
int board_init(void)
{
gd->bd->bi_arch_number = MACH_TYPE_AE250;
gd->bd->bi_boot_params = PHYS_SDRAM_0 + 0x400;
return 0;
}
int dram_init(void)
{
unsigned long sdram_base = PHYS_SDRAM_0;
unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
unsigned long actual_size;
actual_size = get_ram_size((void *)sdram_base, expected_size);
gd->ram_size = actual_size;
if (expected_size != actual_size) {
printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
actual_size >> 20, expected_size >> 20);
}
return 0;
}
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
gd->bd->bi_dram[0].size = PHYS_SDRAM_0_SIZE;
gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
gd->bd->bi_dram[1].size = PHYS_SDRAM_1_SIZE;
return 0;
}
#if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
int board_eth_init(bd_t *bd)
{
return ftmac100_initialize(bd);
}
#endif
ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
{
return 0;
}
int board_mmc_init(bd_t *bis)
{
#ifndef CONFIG_DM_MMC
#ifdef CONFIG_FTSDC010
ftsdc010_mmc_init(0);
#endif
#endif
return 0;
}