From 7885ea85689051bdbcfb51780ec64bce71782bc7 Mon Sep 17 00:00:00 2001 From: Rick Chen Date: Tue, 26 Dec 2017 13:55:53 +0800 Subject: [PATCH] riscv: board: Add nx25-ae250 to support RISC-V Add nx25-ae250 board to do platform initializations. Signed-off-by: Rick Chen Signed-off-by: Rick Chen Signed-off-by: Greentime Hu --- board/AndesTech/nx25-ae250/Kconfig | 24 ++++++++++ board/AndesTech/nx25-ae250/MAINTAINERS | 6 +++ board/AndesTech/nx25-ae250/Makefile | 8 ++++ board/AndesTech/nx25-ae250/nx25-ae250.c | 77 +++++++++++++++++++++++++++++++++ 4 files changed, 115 insertions(+) create mode 100644 board/AndesTech/nx25-ae250/Kconfig create mode 100644 board/AndesTech/nx25-ae250/MAINTAINERS create mode 100644 board/AndesTech/nx25-ae250/Makefile create mode 100644 board/AndesTech/nx25-ae250/nx25-ae250.c diff --git a/board/AndesTech/nx25-ae250/Kconfig b/board/AndesTech/nx25-ae250/Kconfig new file mode 100644 index 0000000..2fb3234 --- /dev/null +++ b/board/AndesTech/nx25-ae250/Kconfig @@ -0,0 +1,24 @@ +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 diff --git a/board/AndesTech/nx25-ae250/MAINTAINERS b/board/AndesTech/nx25-ae250/MAINTAINERS new file mode 100644 index 0000000..1bff127 --- /dev/null +++ b/board/AndesTech/nx25-ae250/MAINTAINERS @@ -0,0 +1,6 @@ +NX25-AE250 BOARD +M: Rick Chen +S: Maintained +F: board/AndesTech/nx25-ae250/ +F: include/configs/nx25-ae250.h +F: configs/nx25-ae250_defconfig diff --git a/board/AndesTech/nx25-ae250/Makefile b/board/AndesTech/nx25-ae250/Makefile new file mode 100644 index 0000000..66b6814 --- /dev/null +++ b/board/AndesTech/nx25-ae250/Makefile @@ -0,0 +1,8 @@ +# +# Copyright (C) 2017 Andes Technology Corporation. +# Rick Chen, Andes Technology Corporation +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := nx25-ae250.o diff --git a/board/AndesTech/nx25-ae250/nx25-ae250.c b/board/AndesTech/nx25-ae250/nx25-ae250.c new file mode 100644 index 0000000..12f2d35 --- /dev/null +++ b/board/AndesTech/nx25-ae250/nx25-ae250.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH) +#include +#endif +#include +#include + +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; +}