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| author | Bin Meng <bmeng.cn@gmail.com> | 2016-02-17 00:16:21 -0800 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-02-21 13:42:52 +0800 |
| commit | 437413962744cc9c80551ca253a20472856551f2 (patch) | |
| tree | bd4b1b0b555096078832aed54c7a933a18a1c448 /arch/x86/cpu/ivybridge/fsp_configs.c | |
| parent | 4fd64d02b2bb7fe583c1246c79b9658223d96442 (diff) | |
| download | blackbird-obmc-uboot-437413962744cc9c80551ca253a20472856551f2.tar.gz blackbird-obmc-uboot-437413962744cc9c80551ca253a20472856551f2.zip | |
x86: ivybridge: Add FSP support
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>
Diffstat (limited to 'arch/x86/cpu/ivybridge/fsp_configs.c')
| -rw-r--r-- | arch/x86/cpu/ivybridge/fsp_configs.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/x86/cpu/ivybridge/fsp_configs.c b/arch/x86/cpu/ivybridge/fsp_configs.c new file mode 100644 index 0000000000..c7f475b5a6 --- /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; +} |
