arch/x86/cpu/baytrail/fsp_configs.c

   1 // SPDX-License-Identifier: Intel
   2 /*
   3  * Copyright (C) 2013, Intel Corporation
   4  * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
   5  * Copyright (C) 2015, Kodak Alaris, Inc
   6  */
   7
   8 #include <common.h>
   9 #include <fdtdec.h>
  10 #include <log.h>
  11 #include <asm/fsp1/fsp_support.h>
  12
  13 DECLARE_GLOBAL_DATA_PTR;
  14
  15 /**
  16  * Override the FSP's Azalia configuration data
  17  *
  18  * @azalia:     pointer to be updated to point to a ROM address where Azalia
  19  *              configuration data is stored
  20  */
  21 __weak void update_fsp_azalia_configs(struct azalia_config **azalia)
  22 {
  23         *azalia = NULL;
  24 }
  25
  26 /**
  27  * Override the FSP's configuration data.
  28  * If the device tree does not specify an integer setting, use the default
  29  * provided in Intel's Baytrail_FSP_Gold4.tgz release FSP/BayleyBayFsp.bsf file.
  30  */
  31 void fsp_update_configs(struct fsp_config_data *config,
  32                         struct fspinit_rtbuf *rt_buf)
  33 {
  34         struct upd_region *fsp_upd = &config->fsp_upd;
  35         struct memory_down_data *mem;
  36         const void *blob = gd->fdt_blob;
  37         int node;
  38
  39         /* Initialize runtime buffer for fsp_init() */
  40         rt_buf->common.stack_top = config->common.stack_top - 32;
  41         rt_buf->common.boot_mode = config->common.boot_mode;
  42         rt_buf->common.upd_data = &config->fsp_upd;
  43
  44         node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_BAYTRAIL_FSP);
  45         if (node < 0) {
  46                 debug("%s: Cannot find FSP node\n", __func__);
  47                 return;
  48         }
  49
  50         fsp_upd->mrc_init_tseg_size = fdtdec_get_int(blob, node,
  51                                                      "fsp,mrc-init-tseg-size",
  52                                                      MRC_INIT_TSEG_SIZE_1MB);
  53         fsp_upd->mrc_init_mmio_size = fdtdec_get_int(blob, node,
  54                                                      "fsp,mrc-init-mmio-size",
  55                                                      MRC_INIT_MMIO_SIZE_2048MB);
  56         fsp_upd->mrc_init_spd_addr1 = fdtdec_get_int(blob, node,
  57                                                      "fsp,mrc-init-spd-addr1",
  58                                                      0xa0);
  59         fsp_upd->mrc_init_spd_addr2 = fdtdec_get_int(blob, node,
  60                                                      "fsp,mrc-init-spd-addr2",
  61                                                      0xa2);
  62         fsp_upd->emmc_boot_mode = fdtdec_get_int(blob, node,
  63                                                  "fsp,emmc-boot-mode",
  64                                                  EMMC_BOOT_MODE_EMMC41);
  65         fsp_upd->enable_sdio = fdtdec_get_bool(blob, node, "fsp,enable-sdio");
  66         fsp_upd->enable_sdcard = fdtdec_get_bool(blob, node,
  67                                                  "fsp,enable-sdcard");
  68         fsp_upd->enable_hsuart0 = fdtdec_get_bool(blob, node,
  69                                                   "fsp,enable-hsuart0");
  70         fsp_upd->enable_hsuart1 = fdtdec_get_bool(blob, node,
  71                                                   "fsp,enable-hsuart1");
  72         fsp_upd->enable_spi = fdtdec_get_bool(blob, node, "fsp,enable-spi");
  73         fsp_upd->enable_sata = fdtdec_get_bool(blob, node, "fsp,enable-sata");
  74         fsp_upd->sata_mode = fdtdec_get_int(blob, node, "fsp,sata-mode",
  75                                             SATA_MODE_AHCI);
  76         fsp_upd->enable_azalia = fdtdec_get_bool(blob, node,
  77                                                  "fsp,enable-azalia");
  78         if (fsp_upd->enable_azalia)
  79                 update_fsp_azalia_configs(&fsp_upd->azalia_cfg_ptr);
  80         fsp_upd->enable_xhci = fdtdec_get_bool(blob, node, "fsp,enable-xhci");
  81         fsp_upd->lpe_mode = fdtdec_get_int(blob, node, "fsp,lpe-mode",
  82                                            LPE_MODE_PCI);
  83         fsp_upd->lpss_sio_mode = fdtdec_get_int(blob, node, "fsp,lpss-sio-mode",
  84                                            LPSS_SIO_MODE_PCI);
  85         fsp_upd->enable_dma0 = fdtdec_get_bool(blob, node, "fsp,enable-dma0");
  86         fsp_upd->enable_dma1 = fdtdec_get_bool(blob, node, "fsp,enable-dma1");
  87         fsp_upd->enable_i2_c0 = fdtdec_get_bool(blob, node, "fsp,enable-i2c0");
  88         fsp_upd->enable_i2_c1 = fdtdec_get_bool(blob, node, "fsp,enable-i2c1");
  89         fsp_upd->enable_i2_c2 = fdtdec_get_bool(blob, node, "fsp,enable-i2c2");
  90         fsp_upd->enable_i2_c3 = fdtdec_get_bool(blob, node, "fsp,enable-i2c3");
  91         fsp_upd->enable_i2_c4 = fdtdec_get_bool(blob, node, "fsp,enable-i2c4");
  92         fsp_upd->enable_i2_c5 = fdtdec_get_bool(blob, node, "fsp,enable-i2c5");
  93         fsp_upd->enable_i2_c6 = fdtdec_get_bool(blob, node, "fsp,enable-i2c6");
  94         fsp_upd->enable_pwm0 = fdtdec_get_bool(blob, node, "fsp,enable-pwm0");
  95         fsp_upd->enable_pwm1 = fdtdec_get_bool(blob, node, "fsp,enable-pwm1");
  96         fsp_upd->enable_hsi = fdtdec_get_bool(blob, node, "fsp,enable-hsi");
  97         fsp_upd->igd_dvmt50_pre_alloc = fdtdec_get_int(blob, node,
  98                         "fsp,igd-dvmt50-pre-alloc", IGD_DVMT50_PRE_ALLOC_64MB);
  99         fsp_upd->aperture_size = fdtdec_get_int(blob, node, "fsp,aperture-size",
 100                                                 APERTURE_SIZE_256MB);
 101         fsp_upd->gtt_size = fdtdec_get_int(blob, node, "fsp,gtt-size",
 102                                            GTT_SIZE_2MB);
 103         fsp_upd->mrc_debug_msg = fdtdec_get_bool(blob, node,
 104                                                  "fsp,mrc-debug-msg");
 105         fsp_upd->isp_enable = fdtdec_get_bool(blob, node, "fsp,isp-enable");
 106         fsp_upd->scc_mode = fdtdec_get_int(blob, node, "fsp,scc-mode",
 107                                            SCC_MODE_PCI);
 108         fsp_upd->igd_render_standby = fdtdec_get_bool(blob, node,
 109                                                       "fsp,igd-render-standby");
 110         fsp_upd->txe_uma_enable = fdtdec_get_bool(blob, node,
 111                                                   "fsp,txe-uma-enable");
 112         fsp_upd->os_selection = fdtdec_get_int(blob, node, "fsp,os-selection",
 113                                                OS_SELECTION_LINUX);
 114         fsp_upd->emmc45_ddr50_enabled = fdtdec_get_bool(blob, node,
 115                         "fsp,emmc45-ddr50-enabled");
 116         fsp_upd->emmc45_hs200_enabled = fdtdec_get_bool(blob, node,
 117                         "fsp,emmc45-hs200-enabled");
 118         fsp_upd->emmc45_retune_timer_value = fdtdec_get_int(blob, node,
 119                         "fsp,emmc45-retune-timer-value", 8);
 120         fsp_upd->enable_igd = fdtdec_get_bool(blob, node, "fsp,enable-igd");
 121
 122         mem = &fsp_upd->memory_params;
 123         mem->enable_memory_down = fdtdec_get_bool(blob, node,
 124                                                   "fsp,enable-memory-down");
 125         if (mem->enable_memory_down) {
 126                 node = fdtdec_next_compatible(blob, node,
 127                                               COMPAT_INTEL_BAYTRAIL_FSP_MDP);
 128                 if (node < 0) {
 129                         debug("%s: Cannot find FSP memory-down-params node\n",
 130                               __func__);
 131                 } else {
 132                         mem->dram_speed = fdtdec_get_int(blob, node,
 133                                                          "fsp,dram-speed",
 134                                                          DRAM_SPEED_1333MTS);
 135                         mem->dram_type = fdtdec_get_int(blob, node,
 136                                                         "fsp,dram-type",
 137                                                         DRAM_TYPE_DDR3L);
 138                         mem->dimm_0_enable = fdtdec_get_bool(blob, node,
 139                                         "fsp,dimm-0-enable");
 140                         mem->dimm_1_enable = fdtdec_get_bool(blob, node,
 141                                         "fsp,dimm-1-enable");
 142                         mem->dimm_width = fdtdec_get_int(blob, node,
 143                                                          "fsp,dimm-width",
 144                                                          DIMM_WIDTH_X8);
 145                         mem->dimm_density = fdtdec_get_int(blob, node,
 146                                                            "fsp,dimm-density",
 147                                                            DIMM_DENSITY_2GBIT);
 148                         mem->dimm_bus_width = fdtdec_get_int(blob, node,
 149                                         "fsp,dimm-bus-width",
 150                                         DIMM_BUS_WIDTH_64BITS);
 151                         mem->dimm_sides = fdtdec_get_int(blob, node,
 152                                                          "fsp,dimm-sides",
 153                                                          DIMM_SIDES_1RANKS);
 154                         mem->dimm_tcl = fdtdec_get_int(blob, node,
 155                                                        "fsp,dimm-tcl", 0x09);
 156                         mem->dimm_trpt_rcd = fdtdec_get_int(blob, node,
 157                                         "fsp,dimm-trpt-rcd", 0x09);
 158                         mem->dimm_twr = fdtdec_get_int(blob, node,
 159                                                        "fsp,dimm-twr", 0x0a);
 160                         mem->dimm_twtr = fdtdec_get_int(blob, node,
 161                                                         "fsp,dimm-twtr", 0x05);
 162                         mem->dimm_trrd = fdtdec_get_int(blob, node,
 163                                                         "fsp,dimm-trrd", 0x04);
 164                         mem->dimm_trtp = fdtdec_get_int(blob, node,
 165                                                         "fsp,dimm-trtp", 0x05);
 166                         mem->dimm_tfaw = fdtdec_get_int(blob, node,
 167                                                         "fsp,dimm-tfaw", 0x14);
 168                 }
 169         }
 170 }