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