diff options
Diffstat (limited to 'arch/x86/cpu/braswell/fsp_configs.c')
| -rw-r--r-- | arch/x86/cpu/braswell/fsp_configs.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/arch/x86/cpu/braswell/fsp_configs.c b/arch/x86/cpu/braswell/fsp_configs.c new file mode 100644 index 0000000..249f851 --- /dev/null +++ b/arch/x86/cpu/braswell/fsp_configs.c @@ -0,0 +1,164 @@ +/* + * Copyright (C) 2017, 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; + +/** + * Override the FSP's Azalia configuration data + * + * @azalia: pointer to be updated to point to a ROM address where Azalia + * configuration data is stored + */ +__weak void update_fsp_azalia_configs(struct azalia_config **azalia) +{ + *azalia = NULL; +} + +/** + * Override the FSP's GPIO configuration data + * + * @family: pointer to be updated to point to a ROM address where GPIO + * family configuration data is stored + * @pad: pointer to be updated to point to a ROM address where GPIO + * pad configuration data is stored + */ +__weak void update_fsp_gpio_configs(struct gpio_family **family, + struct gpio_pad **pad) +{ + *family = NULL; + *pad = NULL; +} + +/** + * Override the FSP's configuration data. + * If the device tree does not specify an integer setting, use the default + * provided in Intel's Braswell release FSP/BraswellFsp.bsf file. + */ +void update_fsp_configs(struct fsp_config_data *config, + struct fspinit_rtbuf *rt_buf) +{ + struct upd_region *fsp_upd = &config->fsp_upd; + struct memory_upd *memory_upd = &fsp_upd->memory_upd; + struct silicon_upd *silicon_upd = &fsp_upd->silicon_upd; + const void *blob = gd->fdt_blob; + int node; + + /* Initialize runtime buffer for fsp_init() */ + rt_buf->common.stack_top = config->common.stack_top - 32; + rt_buf->common.boot_mode = config->common.boot_mode; + rt_buf->common.upd_data = &config->fsp_upd; + + node = fdt_node_offset_by_compatible(blob, 0, "intel,braswell-fsp"); + if (node < 0) { + debug("%s: Cannot find FSP node\n", __func__); + return; + } + + node = fdt_node_offset_by_compatible(blob, node, + "intel,braswell-fsp-memory"); + if (node < 0) { + debug("%s: Cannot find FSP memory node\n", __func__); + return; + } + + /* Override memory UPD contents */ + memory_upd->mrc_init_tseg_size = fdtdec_get_int(blob, node, + "fsp,mrc-init-tseg-size", MRC_INIT_TSEG_SIZE_4MB); + memory_upd->mrc_init_mmio_size = fdtdec_get_int(blob, node, + "fsp,mrc-init-mmio-size", MRC_INIT_MMIO_SIZE_2048MB); + memory_upd->mrc_init_spd_addr1 = fdtdec_get_int(blob, node, + "fsp,mrc-init-spd-addr1", 0xa0); + memory_upd->mrc_init_spd_addr2 = fdtdec_get_int(blob, node, + "fsp,mrc-init-spd-addr2", 0xa2); + memory_upd->igd_dvmt50_pre_alloc = fdtdec_get_int(blob, node, + "fsp,igd-dvmt50-pre-alloc", IGD_DVMT50_PRE_ALLOC_32MB); + memory_upd->aperture_size = fdtdec_get_int(blob, node, + "fsp,aperture-size", APERTURE_SIZE_256MB); + memory_upd->gtt_size = fdtdec_get_int(blob, node, + "fsp,gtt-size", GTT_SIZE_1MB); + memory_upd->legacy_seg_decode = fdtdec_get_bool(blob, node, + "fsp,legacy-seg-decode"); + memory_upd->enable_dvfs = fdtdec_get_bool(blob, node, + "fsp,enable-dvfs"); + memory_upd->memory_type = fdtdec_get_int(blob, node, + "fsp,memory-type", DRAM_TYPE_DDR3); + memory_upd->enable_ca_mirror = fdtdec_get_bool(blob, node, + "fsp,enable-ca-mirror"); + + node = fdt_node_offset_by_compatible(blob, node, + "intel,braswell-fsp-silicon"); + if (node < 0) { + debug("%s: Cannot find FSP silicon node\n", __func__); + return; + } + + /* Override silicon UPD contents */ + silicon_upd->sdcard_mode = fdtdec_get_int(blob, node, + "fsp,sdcard-mode", SDCARD_MODE_PCI); + silicon_upd->enable_hsuart0 = fdtdec_get_bool(blob, node, + "fsp,enable-hsuart0"); + silicon_upd->enable_hsuart1 = fdtdec_get_bool(blob, node, + "fsp,enable-hsuart1"); + silicon_upd->enable_azalia = fdtdec_get_bool(blob, node, + "fsp,enable-azalia"); + if (silicon_upd->enable_azalia) + update_fsp_azalia_configs(&silicon_upd->azalia_cfg_ptr); + silicon_upd->enable_sata = fdtdec_get_bool(blob, node, + "fsp,enable-sata"); + silicon_upd->enable_xhci = fdtdec_get_bool(blob, node, + "fsp,enable-xhci"); + silicon_upd->lpe_mode = fdtdec_get_int(blob, node, + "fsp,lpe-mode", LPE_MODE_PCI); + silicon_upd->enable_dma0 = fdtdec_get_bool(blob, node, + "fsp,enable-dma0"); + silicon_upd->enable_dma1 = fdtdec_get_bool(blob, node, + "fsp,enable-dma1"); + silicon_upd->enable_i2c0 = fdtdec_get_bool(blob, node, + "fsp,enable-i2c0"); + silicon_upd->enable_i2c1 = fdtdec_get_bool(blob, node, + "fsp,enable-i2c1"); + silicon_upd->enable_i2c2 = fdtdec_get_bool(blob, node, + "fsp,enable-i2c2"); + silicon_upd->enable_i2c3 = fdtdec_get_bool(blob, node, + "fsp,enable-i2c3"); + silicon_upd->enable_i2c4 = fdtdec_get_bool(blob, node, + "fsp,enable-i2c4"); + silicon_upd->enable_i2c5 = fdtdec_get_bool(blob, node, + "fsp,enable-i2c5"); + silicon_upd->enable_i2c6 = fdtdec_get_bool(blob, node, + "fsp,enable-i2c6"); +#ifdef CONFIG_HAVE_VBT + silicon_upd->graphics_config_ptr = CONFIG_VBT_ADDR; +#endif + update_fsp_gpio_configs(&silicon_upd->gpio_familiy_ptr, + &silicon_upd->gpio_pad_ptr); + /* + * For Braswell B0 stepping, disable_punit_pwr_config must be set to 1 + * otherwise it just hangs in fsp_init(). + */ + if (gd->arch.x86_mask == 2) + silicon_upd->disable_punit_pwr_config = 1; + silicon_upd->emmc_mode = fdtdec_get_int(blob, node, + "fsp,emmc-mode", EMMC_MODE_PCI); + silicon_upd->sata_speed = fdtdec_get_int(blob, node, + "fsp,sata-speed", SATA_SPEED_GEN3); + silicon_upd->pmic_i2c_bus = fdtdec_get_int(blob, node, + "fsp,pmic-i2c-bus", 0); + silicon_upd->enable_isp = fdtdec_get_bool(blob, node, + "fsp,enable-isp"); + silicon_upd->isp_pci_dev_config = fdtdec_get_int(blob, node, + "fsp,isp-pci-dev-config", ISP_PCI_DEV_CONFIG_2); + silicon_upd->turbo_mode = fdtdec_get_bool(blob, node, + "fsp,turbo-mode"); + silicon_upd->pnp_settings = fdtdec_get_int(blob, node, + "fsp,pnp-settings", PNP_SETTING_POWER_AND_PERF); + silicon_upd->sd_detect_chk = fdtdec_get_bool(blob, node, + "fsp,sd-detect-chk"); +} |