From: Nick Hawkins <[email protected]> Add basic support for the HPE GXP SoC. Reset the EHCI controller at boot.
Signed-off-by: Nick Hawkins <[email protected]> --- v2: *Removed n for GXP_ECC as n is default. *Fix indentation in Kconfig file *Removed common.h and used necessary headers only. *Removed use of CONFIG_SYS_SDRAM_SIZE and used SZ_ constants instead *Moved ifdef's from gxp.h commit to this file. --- board/hpe/gxp/Kconfig | 46 ++++++++++++++++++++++++ board/hpe/gxp/Makefile | 1 + board/hpe/gxp/gxp_board.c | 75 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 122 insertions(+) create mode 100644 board/hpe/gxp/Kconfig create mode 100644 board/hpe/gxp/Makefile create mode 100644 board/hpe/gxp/gxp_board.c diff --git a/board/hpe/gxp/Kconfig b/board/hpe/gxp/Kconfig new file mode 100644 index 0000000000..5b154a3f6e --- /dev/null +++ b/board/hpe/gxp/Kconfig @@ -0,0 +1,46 @@ +choice + prompt "SoC select" + +config TARGET_GXP + bool "GXP" + select DM + select SOC_GXP + imply CMD_DM + +config TARGET_GXP2 + bool "GXP2" + select DM + select SOC_GXP + select GXP_ECC + imply CMD_DM + +endchoice + +choice + prompt "GXP VROM size" + default GXP_VROM_64MB + optional + +config GXP_VROM_64MB + bool "64MB" + +config GXP_VROM_32MB + bool "32MB" +endchoice + +config GXP_ECC + bool "Enable memory ECC protected" + help + Use half of memory to enable ECC protected + +config SYS_BOARD + default "gxp" + +config SYS_VENDOR + default "hpe" + +config SYS_CONFIG_NAME + default "gxp" + +config SYS_TEXT_BASE + default 0x50000000 diff --git a/board/hpe/gxp/Makefile b/board/hpe/gxp/Makefile new file mode 100644 index 0000000000..775d6bf849 --- /dev/null +++ b/board/hpe/gxp/Makefile @@ -0,0 +1 @@ +obj-y += gxp_board.o diff --git a/board/hpe/gxp/gxp_board.c b/board/hpe/gxp/gxp_board.c new file mode 100644 index 0000000000..d94d9b8a19 --- /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 <[email protected]> + * Author: Jean-Marie Verdun <[email protected]> + */ + +#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; +} + -- 2.17.1
