diff options
Diffstat (limited to 'board/hpe/gxp/gxp_board.c')
-rw-r--r-- | board/hpe/gxp/gxp_board.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/board/hpe/gxp/gxp_board.c b/board/hpe/gxp/gxp_board.c new file mode 100644 index 0000000..d94d9b8 --- /dev/null +++ b/board/hpe/gxp/gxp_board.c @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * GXP timer driver + * + * (C) Copyright 2022 Hewlett Packard Enterprise Development LP. + * Author: Nick Hawkins <nick.hawkins@hpe.com> + * Author: Jean-Marie Verdun <verdun@hpe.com> + */ + +#include <linux/sizes.h> +#include <asm/io.h> +#include <dm.h> +#include <dm/uclass.h> +#include <ram.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define ECHI_CMD 0xcefe0010 + +int board_init(void) +{ + writel(0x00080002, ECHI_CMD); + + return 0; +} + +int dram_init(void) +{ + if (IS_ENABLED(CONFIG_TARGET_GXP)) { + if (IS_ENABLED(CONFIG_GXP_ECC)) { + /* 0x0f800000 */ + gd->ram_size = SZ_128M + SZ_64M + SZ_32M + SZ_16M + SZ_8M; + } else { + /* 0x1f000000 */ + gd->ram_size = SZ_256M + SZ_128M + SZ_64M + SZ_32M + SZ_16M; + } + + if (IS_ENABLED(CONFIG_GXP_VROM_64MB)) { + if (IS_ENABLED(CONFIG_GXP_ECC)) { + /* 0x0c000000 */ + gd->ram_size = SZ_128M + SZ_64M; + } else { + /* 0x18000000 */ + gd->ram_size = SZ_256M + SZ_128M; + } + } + + if (IS_ENABLED(CONFIG_GXP_VROM_32MB)) { + if (IS_ENABLED(CONFIG_GXP_ECC)) { + /* 0x0e000000 */ + gd->ram_size = SZ_128M + SZ_64M + SZ_32M; + } else { + /* 0x1c000000 */ + gd->ram_size = SZ_256M + SZ_128M + SZ_64M; + } + } + } + + if (IS_ENABLED(CONFIG_TARGET_GXP2)) { + /* 0x1b200000 */ + gd->ram_size = SZ_256M + SZ_128M + SZ_32M + SZ_16M + SZ_2M; + if (IS_ENABLED(CONFIG_GXP_VROM_64MB)) { + /* 0x14000000 */ + gd->ram_size = SZ_256M + SZ_64M; + } + + if (IS_ENABLED(CONFIG_GXP_VROM_32MB)) { + /* 0x18000000 */ + gd->ram_size = SZ_256M + SZ_128M; + } + } + + return 0; +} + |