IvyBridge FSP package is built with a base address at 0xfff80000, and does not use UPD data region. This adds basic FSP support.
Signed-off-by: Bin Meng bmeng.cn@gmail.com Acked-by: Simon Glass sjg@chromium.org Tested on link (ivybridge non-FSP) Tested-by: Simon Glass sjg@chromium.org
---
Changes in v3: None Changes in v2: - Drop patches which were already applied - Rebase on top of u-boot-x86/master - Change fsp files license from Intel to GPL-2.0+
arch/x86/cpu/ivybridge/Kconfig | 8 ++++ arch/x86/cpu/ivybridge/Makefile | 4 ++ arch/x86/cpu/ivybridge/fsp_configs.c | 45 ++++++++++++++++++++++ arch/x86/cpu/ivybridge/ivybridge.c | 22 +++++++++++ .../include/asm/arch-ivybridge/fsp/fsp_configs.h | 40 +++++++++++++++++++ arch/x86/include/asm/arch-ivybridge/fsp/fsp_vpd.h | 12 ++++++ 6 files changed, 131 insertions(+) create mode 100644 arch/x86/cpu/ivybridge/fsp_configs.c create mode 100644 arch/x86/cpu/ivybridge/ivybridge.c create mode 100644 arch/x86/include/asm/arch-ivybridge/fsp/fsp_configs.h create mode 100644 arch/x86/include/asm/arch-ivybridge/fsp/fsp_vpd.h
diff --git a/arch/x86/cpu/ivybridge/Kconfig b/arch/x86/cpu/ivybridge/Kconfig index 1768a26..b9f290a 100644 --- a/arch/x86/cpu/ivybridge/Kconfig +++ b/arch/x86/cpu/ivybridge/Kconfig @@ -71,4 +71,12 @@ config ENABLE_VMX will be unable to support virtualisation, or it will run very slowly.
+config FSP_ADDR + hex + default 0xfff80000 + +config FSP_USE_UPD + bool + default n + endif diff --git a/arch/x86/cpu/ivybridge/Makefile b/arch/x86/cpu/ivybridge/Makefile index 45ef141..d7332ff 100644 --- a/arch/x86/cpu/ivybridge/Makefile +++ b/arch/x86/cpu/ivybridge/Makefile @@ -4,6 +4,9 @@ # SPDX-License-Identifier: GPL-2.0+ #
+ifdef CONFIG_HAVE_FSP +obj-y += fsp_configs.o ivybridge.o +else obj-y += bd82x6x.o obj-y += car.o obj-y += cpu.o @@ -17,3 +20,4 @@ obj-y += northbridge.o obj-y += report_platform.o obj-y += sata.o obj-y += sdram.o +endif diff --git a/arch/x86/cpu/ivybridge/fsp_configs.c b/arch/x86/cpu/ivybridge/fsp_configs.c new file mode 100644 index 0000000..c7f475b --- /dev/null +++ b/arch/x86/cpu/ivybridge/fsp_configs.c @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2016, Bin Meng bmeng.cn@gmail.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <fdtdec.h> +#include <asm/fsp/fsp_support.h> + +DECLARE_GLOBAL_DATA_PTR; + +void update_fsp_configs(struct fsp_config_data *config, + struct fspinit_rtbuf *rt_buf) +{ + struct platform_config *plat_config = &config->plat_config; + struct memory_config *mem_config = &config->mem_config; + const void *blob = gd->fdt_blob; + int node; + + node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_IVYBRIDGE_FSP); + if (node < 0) { + debug("%s: Cannot find FSP node\n", __func__); + return; + } + + plat_config->enable_ht = + fdtdec_get_bool(blob, node, "fsp,enable-ht"); + plat_config->enable_turbo = + fdtdec_get_bool(blob, node, "fsp,enable-turbo"); + plat_config->enable_memory_down = + fdtdec_get_bool(blob, node, "fsp,enable-memory-down"); + plat_config->enable_fast_boot = + fdtdec_get_bool(blob, node, "fsp,enable-fast-boot"); + + /* Initialize runtime buffer for fsp_init() */ + rt_buf->stack_top = config->common.stack_top - 32; + rt_buf->boot_mode = config->common.boot_mode; + rt_buf->plat_config = plat_config; + + if (plat_config->enable_memory_down) + rt_buf->mem_config = mem_config; + else + rt_buf->mem_config = NULL; +} diff --git a/arch/x86/cpu/ivybridge/ivybridge.c b/arch/x86/cpu/ivybridge/ivybridge.c new file mode 100644 index 0000000..c770b53 --- /dev/null +++ b/arch/x86/cpu/ivybridge/ivybridge.c @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2016, Bin Meng bmeng.cn@gmail.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/post.h> +#include <asm/processor.h> + +int arch_cpu_init(void) +{ + int ret; + + post_code(POST_CPU_INIT); + + ret = x86_cpu_init_f(); + if (ret) + return ret; + + return 0; +} diff --git a/arch/x86/include/asm/arch-ivybridge/fsp/fsp_configs.h b/arch/x86/include/asm/arch-ivybridge/fsp/fsp_configs.h new file mode 100644 index 0000000..9b0613d --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/fsp/fsp_configs.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2016, Bin Meng bmeng.cn@gmail.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __FSP_CONFIGS_H__ +#define __FSP_CONFIGS_H__ + +struct platform_config { + u8 enable_ht; + u8 enable_turbo; + u8 enable_memory_down; + u8 enable_fast_boot; +}; + +/* + * Dummy structure for now as currently only SPD is verified in U-Boot. + * + * We can add the missing parameters when adding support on a board with + * memory down configuration. + */ +struct memory_config { + u8 dummy; +}; + +struct fsp_config_data { + struct fsp_cfg_common common; + struct platform_config plat_config; + struct memory_config mem_config; +}; + +struct fspinit_rtbuf { + u32 stack_top; + u32 boot_mode; + struct platform_config *plat_config; + struct memory_config *mem_config; +}; + +#endif /* __FSP_CONFIGS_H__ */ diff --git a/arch/x86/include/asm/arch-ivybridge/fsp/fsp_vpd.h b/arch/x86/include/asm/arch-ivybridge/fsp/fsp_vpd.h new file mode 100644 index 0000000..3b255cc --- /dev/null +++ b/arch/x86/include/asm/arch-ivybridge/fsp/fsp_vpd.h @@ -0,0 +1,12 @@ +/* + * Copyright (C) 2016, Bin Meng bmeng.cn@gmail.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __FSP_VPD_H__ +#define __FSP_VPD_H__ + +/* IvyBridge FSP does not support VPD/UPD */ + +#endif