1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com> 4 */ 5 6 #include <common.h> 7 #include <fdtdec.h> 8 #include <asm/fsp/fsp_support.h> 9 10 DECLARE_GLOBAL_DATA_PTR; 11 12 /** 13 * Override the FSP's Azalia configuration data 14 * 15 * @azalia: pointer to be updated to point to a ROM address where Azalia 16 * configuration data is stored 17 */ 18 __weak void update_fsp_azalia_configs(struct azalia_config **azalia) 19 { 20 *azalia = NULL; 21 } 22 23 /** 24 * Override the FSP's GPIO configuration data 25 * 26 * @family: pointer to be updated to point to a ROM address where GPIO 27 * family configuration data is stored 28 * @pad: pointer to be updated to point to a ROM address where GPIO 29 * pad configuration data is stored 30 */ 31 __weak void update_fsp_gpio_configs(struct gpio_family **family, 32 struct gpio_pad **pad) 33 { 34 *family = NULL; 35 *pad = NULL; 36 } 37 38 /** 39 * Override the FSP's configuration data. 40 * If the device tree does not specify an integer setting, use the default 41 * provided in Intel's Braswell release FSP/BraswellFsp.bsf file. 42 */ 43 void update_fsp_configs(struct fsp_config_data *config, 44 struct fspinit_rtbuf *rt_buf) 45 { 46 struct upd_region *fsp_upd = &config->fsp_upd; 47 struct memory_upd *memory_upd = &fsp_upd->memory_upd; 48 struct silicon_upd *silicon_upd = &fsp_upd->silicon_upd; 49 const void *blob = gd->fdt_blob; 50 int node; 51 52 /* Initialize runtime buffer for fsp_init() */ 53 rt_buf->common.stack_top = config->common.stack_top - 32; 54 rt_buf->common.boot_mode = config->common.boot_mode; 55 rt_buf->common.upd_data = &config->fsp_upd; 56 57 node = fdt_node_offset_by_compatible(blob, 0, "intel,braswell-fsp"); 58 if (node < 0) { 59 debug("%s: Cannot find FSP node\n", __func__); 60 return; 61 } 62 63 node = fdt_node_offset_by_compatible(blob, node, 64 "intel,braswell-fsp-memory"); 65 if (node < 0) { 66 debug("%s: Cannot find FSP memory node\n", __func__); 67 return; 68 } 69 70 /* Override memory UPD contents */ 71 memory_upd->mrc_init_tseg_size = fdtdec_get_int(blob, node, 72 "fsp,mrc-init-tseg-size", MRC_INIT_TSEG_SIZE_4MB); 73 memory_upd->mrc_init_mmio_size = fdtdec_get_int(blob, node, 74 "fsp,mrc-init-mmio-size", MRC_INIT_MMIO_SIZE_2048MB); 75 memory_upd->mrc_init_spd_addr1 = fdtdec_get_int(blob, node, 76 "fsp,mrc-init-spd-addr1", 0xa0); 77 memory_upd->mrc_init_spd_addr2 = fdtdec_get_int(blob, node, 78 "fsp,mrc-init-spd-addr2", 0xa2); 79 memory_upd->igd_dvmt50_pre_alloc = fdtdec_get_int(blob, node, 80 "fsp,igd-dvmt50-pre-alloc", IGD_DVMT50_PRE_ALLOC_32MB); 81 memory_upd->aperture_size = fdtdec_get_int(blob, node, 82 "fsp,aperture-size", APERTURE_SIZE_256MB); 83 memory_upd->gtt_size = fdtdec_get_int(blob, node, 84 "fsp,gtt-size", GTT_SIZE_1MB); 85 memory_upd->legacy_seg_decode = fdtdec_get_bool(blob, node, 86 "fsp,legacy-seg-decode"); 87 memory_upd->enable_dvfs = fdtdec_get_bool(blob, node, 88 "fsp,enable-dvfs"); 89 memory_upd->memory_type = fdtdec_get_int(blob, node, 90 "fsp,memory-type", DRAM_TYPE_DDR3); 91 memory_upd->enable_ca_mirror = fdtdec_get_bool(blob, node, 92 "fsp,enable-ca-mirror"); 93 94 node = fdt_node_offset_by_compatible(blob, node, 95 "intel,braswell-fsp-silicon"); 96 if (node < 0) { 97 debug("%s: Cannot find FSP silicon node\n", __func__); 98 return; 99 } 100 101 /* Override silicon UPD contents */ 102 silicon_upd->sdcard_mode = fdtdec_get_int(blob, node, 103 "fsp,sdcard-mode", SDCARD_MODE_PCI); 104 silicon_upd->enable_hsuart0 = fdtdec_get_bool(blob, node, 105 "fsp,enable-hsuart0"); 106 silicon_upd->enable_hsuart1 = fdtdec_get_bool(blob, node, 107 "fsp,enable-hsuart1"); 108 silicon_upd->enable_azalia = fdtdec_get_bool(blob, node, 109 "fsp,enable-azalia"); 110 if (silicon_upd->enable_azalia) 111 update_fsp_azalia_configs(&silicon_upd->azalia_cfg_ptr); 112 silicon_upd->enable_sata = fdtdec_get_bool(blob, node, 113 "fsp,enable-sata"); 114 silicon_upd->enable_xhci = fdtdec_get_bool(blob, node, 115 "fsp,enable-xhci"); 116 silicon_upd->lpe_mode = fdtdec_get_int(blob, node, 117 "fsp,lpe-mode", LPE_MODE_PCI); 118 silicon_upd->enable_dma0 = fdtdec_get_bool(blob, node, 119 "fsp,enable-dma0"); 120 silicon_upd->enable_dma1 = fdtdec_get_bool(blob, node, 121 "fsp,enable-dma1"); 122 silicon_upd->enable_i2c0 = fdtdec_get_bool(blob, node, 123 "fsp,enable-i2c0"); 124 silicon_upd->enable_i2c1 = fdtdec_get_bool(blob, node, 125 "fsp,enable-i2c1"); 126 silicon_upd->enable_i2c2 = fdtdec_get_bool(blob, node, 127 "fsp,enable-i2c2"); 128 silicon_upd->enable_i2c3 = fdtdec_get_bool(blob, node, 129 "fsp,enable-i2c3"); 130 silicon_upd->enable_i2c4 = fdtdec_get_bool(blob, node, 131 "fsp,enable-i2c4"); 132 silicon_upd->enable_i2c5 = fdtdec_get_bool(blob, node, 133 "fsp,enable-i2c5"); 134 silicon_upd->enable_i2c6 = fdtdec_get_bool(blob, node, 135 "fsp,enable-i2c6"); 136 #ifdef CONFIG_HAVE_VBT 137 silicon_upd->graphics_config_ptr = CONFIG_VBT_ADDR; 138 #endif 139 update_fsp_gpio_configs(&silicon_upd->gpio_familiy_ptr, 140 &silicon_upd->gpio_pad_ptr); 141 /* 142 * For Braswell B0 stepping, disable_punit_pwr_config must be set to 1 143 * otherwise it just hangs in fsp_init(). 144 */ 145 if (gd->arch.x86_mask == 2) 146 silicon_upd->disable_punit_pwr_config = 1; 147 silicon_upd->emmc_mode = fdtdec_get_int(blob, node, 148 "fsp,emmc-mode", EMMC_MODE_PCI); 149 silicon_upd->sata_speed = fdtdec_get_int(blob, node, 150 "fsp,sata-speed", SATA_SPEED_GEN3); 151 silicon_upd->pmic_i2c_bus = fdtdec_get_int(blob, node, 152 "fsp,pmic-i2c-bus", 0); 153 silicon_upd->enable_isp = fdtdec_get_bool(blob, node, 154 "fsp,enable-isp"); 155 silicon_upd->isp_pci_dev_config = fdtdec_get_int(blob, node, 156 "fsp,isp-pci-dev-config", ISP_PCI_DEV_CONFIG_2); 157 silicon_upd->turbo_mode = fdtdec_get_bool(blob, node, 158 "fsp,turbo-mode"); 159 silicon_upd->pnp_settings = fdtdec_get_int(blob, node, 160 "fsp,pnp-settings", PNP_SETTING_POWER_AND_PERF); 161 silicon_upd->sd_detect_chk = fdtdec_get_bool(blob, node, 162 "fsp,sd-detect-chk"); 163 } 164