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 */
update_fsp_azalia_configs(struct azalia_config ** azalia)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 */
update_fsp_gpio_configs(struct gpio_family ** family,struct gpio_pad ** pad)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 */
update_fsp_configs(struct fsp_config_data * config,struct fspinit_rtbuf * rt_buf)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