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 #include <asm/global_data.h>
13 
14 DECLARE_GLOBAL_DATA_PTR;
15 
16 /**
17  * Override the FSP's Azalia configuration data
18  *
19  * @azalia:	pointer to be updated to point to a ROM address where Azalia
20  *		configuration data is stored
21  */
update_fsp_azalia_configs(struct azalia_config ** azalia)22 __weak void update_fsp_azalia_configs(struct azalia_config **azalia)
23 {
24 	*azalia = NULL;
25 }
26 
27 /**
28  * Override the FSP's configuration data.
29  * If the device tree does not specify an integer setting, use the default
30  * provided in Intel's Baytrail_FSP_Gold4.tgz release FSP/BayleyBayFsp.bsf file.
31  */
fsp_update_configs(struct fsp_config_data * config,struct fspinit_rtbuf * rt_buf)32 void fsp_update_configs(struct fsp_config_data *config,
33 			struct fspinit_rtbuf *rt_buf)
34 {
35 	struct upd_region *fsp_upd = &config->fsp_upd;
36 	struct memory_down_data *mem;
37 	const void *blob = gd->fdt_blob;
38 	int node;
39 
40 	/* Initialize runtime buffer for fsp_init() */
41 	rt_buf->common.stack_top = config->common.stack_top - 32;
42 	rt_buf->common.boot_mode = config->common.boot_mode;
43 	rt_buf->common.upd_data = &config->fsp_upd;
44 
45 	node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_BAYTRAIL_FSP);
46 	if (node < 0) {
47 		debug("%s: Cannot find FSP node\n", __func__);
48 		return;
49 	}
50 
51 	fsp_upd->mrc_init_tseg_size = fdtdec_get_int(blob, node,
52 						     "fsp,mrc-init-tseg-size",
53 						     MRC_INIT_TSEG_SIZE_1MB);
54 	fsp_upd->mrc_init_mmio_size = fdtdec_get_int(blob, node,
55 						     "fsp,mrc-init-mmio-size",
56 						     MRC_INIT_MMIO_SIZE_2048MB);
57 	fsp_upd->mrc_init_spd_addr1 = fdtdec_get_int(blob, node,
58 						     "fsp,mrc-init-spd-addr1",
59 						     0xa0);
60 	fsp_upd->mrc_init_spd_addr2 = fdtdec_get_int(blob, node,
61 						     "fsp,mrc-init-spd-addr2",
62 						     0xa2);
63 	fsp_upd->emmc_boot_mode = fdtdec_get_int(blob, node,
64 						 "fsp,emmc-boot-mode",
65 						 EMMC_BOOT_MODE_EMMC41);
66 	fsp_upd->enable_sdio = fdtdec_get_bool(blob, node, "fsp,enable-sdio");
67 	fsp_upd->enable_sdcard = fdtdec_get_bool(blob, node,
68 						 "fsp,enable-sdcard");
69 	fsp_upd->enable_hsuart0 = fdtdec_get_bool(blob, node,
70 						  "fsp,enable-hsuart0");
71 	fsp_upd->enable_hsuart1 = fdtdec_get_bool(blob, node,
72 						  "fsp,enable-hsuart1");
73 	fsp_upd->enable_spi = fdtdec_get_bool(blob, node, "fsp,enable-spi");
74 	fsp_upd->enable_sata = fdtdec_get_bool(blob, node, "fsp,enable-sata");
75 	fsp_upd->sata_mode = fdtdec_get_int(blob, node, "fsp,sata-mode",
76 					    SATA_MODE_AHCI);
77 	fsp_upd->enable_azalia = fdtdec_get_bool(blob, node,
78 						 "fsp,enable-azalia");
79 	if (fsp_upd->enable_azalia)
80 		update_fsp_azalia_configs(&fsp_upd->azalia_cfg_ptr);
81 	fsp_upd->enable_xhci = fdtdec_get_bool(blob, node, "fsp,enable-xhci");
82 	fsp_upd->lpe_mode = fdtdec_get_int(blob, node, "fsp,lpe-mode",
83 					   LPE_MODE_PCI);
84 	fsp_upd->lpss_sio_mode = fdtdec_get_int(blob, node, "fsp,lpss-sio-mode",
85 					   LPSS_SIO_MODE_PCI);
86 	fsp_upd->enable_dma0 = fdtdec_get_bool(blob, node, "fsp,enable-dma0");
87 	fsp_upd->enable_dma1 = fdtdec_get_bool(blob, node, "fsp,enable-dma1");
88 	fsp_upd->enable_i2_c0 = fdtdec_get_bool(blob, node, "fsp,enable-i2c0");
89 	fsp_upd->enable_i2_c1 = fdtdec_get_bool(blob, node, "fsp,enable-i2c1");
90 	fsp_upd->enable_i2_c2 = fdtdec_get_bool(blob, node, "fsp,enable-i2c2");
91 	fsp_upd->enable_i2_c3 = fdtdec_get_bool(blob, node, "fsp,enable-i2c3");
92 	fsp_upd->enable_i2_c4 = fdtdec_get_bool(blob, node, "fsp,enable-i2c4");
93 	fsp_upd->enable_i2_c5 = fdtdec_get_bool(blob, node, "fsp,enable-i2c5");
94 	fsp_upd->enable_i2_c6 = fdtdec_get_bool(blob, node, "fsp,enable-i2c6");
95 	fsp_upd->enable_pwm0 = fdtdec_get_bool(blob, node, "fsp,enable-pwm0");
96 	fsp_upd->enable_pwm1 = fdtdec_get_bool(blob, node, "fsp,enable-pwm1");
97 	fsp_upd->enable_hsi = fdtdec_get_bool(blob, node, "fsp,enable-hsi");
98 	fsp_upd->igd_dvmt50_pre_alloc = fdtdec_get_int(blob, node,
99 			"fsp,igd-dvmt50-pre-alloc", IGD_DVMT50_PRE_ALLOC_64MB);
100 	fsp_upd->aperture_size = fdtdec_get_int(blob, node, "fsp,aperture-size",
101 						APERTURE_SIZE_256MB);
102 	fsp_upd->gtt_size = fdtdec_get_int(blob, node, "fsp,gtt-size",
103 					   GTT_SIZE_2MB);
104 	fsp_upd->mrc_debug_msg = fdtdec_get_bool(blob, node,
105 						 "fsp,mrc-debug-msg");
106 	fsp_upd->isp_enable = fdtdec_get_bool(blob, node, "fsp,isp-enable");
107 	fsp_upd->scc_mode = fdtdec_get_int(blob, node, "fsp,scc-mode",
108 					   SCC_MODE_PCI);
109 	fsp_upd->igd_render_standby = fdtdec_get_bool(blob, node,
110 						      "fsp,igd-render-standby");
111 	fsp_upd->txe_uma_enable = fdtdec_get_bool(blob, node,
112 						  "fsp,txe-uma-enable");
113 	fsp_upd->os_selection = fdtdec_get_int(blob, node, "fsp,os-selection",
114 					       OS_SELECTION_LINUX);
115 	fsp_upd->emmc45_ddr50_enabled = fdtdec_get_bool(blob, node,
116 			"fsp,emmc45-ddr50-enabled");
117 	fsp_upd->emmc45_hs200_enabled = fdtdec_get_bool(blob, node,
118 			"fsp,emmc45-hs200-enabled");
119 	fsp_upd->emmc45_retune_timer_value = fdtdec_get_int(blob, node,
120 			"fsp,emmc45-retune-timer-value", 8);
121 	fsp_upd->enable_igd = fdtdec_get_bool(blob, node, "fsp,enable-igd");
122 
123 	mem = &fsp_upd->memory_params;
124 	mem->enable_memory_down = fdtdec_get_bool(blob, node,
125 						  "fsp,enable-memory-down");
126 	if (mem->enable_memory_down) {
127 		node = fdtdec_next_compatible(blob, node,
128 					      COMPAT_INTEL_BAYTRAIL_FSP_MDP);
129 		if (node < 0) {
130 			debug("%s: Cannot find FSP memory-down-params node\n",
131 			      __func__);
132 		} else {
133 			mem->dram_speed = fdtdec_get_int(blob, node,
134 							 "fsp,dram-speed",
135 							 DRAM_SPEED_1333MTS);
136 			mem->dram_type = fdtdec_get_int(blob, node,
137 							"fsp,dram-type",
138 							DRAM_TYPE_DDR3L);
139 			mem->dimm_0_enable = fdtdec_get_bool(blob, node,
140 					"fsp,dimm-0-enable");
141 			mem->dimm_1_enable = fdtdec_get_bool(blob, node,
142 					"fsp,dimm-1-enable");
143 			mem->dimm_width = fdtdec_get_int(blob, node,
144 							 "fsp,dimm-width",
145 							 DIMM_WIDTH_X8);
146 			mem->dimm_density = fdtdec_get_int(blob, node,
147 							   "fsp,dimm-density",
148 							   DIMM_DENSITY_2GBIT);
149 			mem->dimm_bus_width = fdtdec_get_int(blob, node,
150 					"fsp,dimm-bus-width",
151 					DIMM_BUS_WIDTH_64BITS);
152 			mem->dimm_sides = fdtdec_get_int(blob, node,
153 							 "fsp,dimm-sides",
154 							 DIMM_SIDES_1RANKS);
155 			mem->dimm_tcl = fdtdec_get_int(blob, node,
156 						       "fsp,dimm-tcl", 0x09);
157 			mem->dimm_trpt_rcd = fdtdec_get_int(blob, node,
158 					"fsp,dimm-trpt-rcd", 0x09);
159 			mem->dimm_twr = fdtdec_get_int(blob, node,
160 						       "fsp,dimm-twr", 0x0a);
161 			mem->dimm_twtr = fdtdec_get_int(blob, node,
162 							"fsp,dimm-twtr", 0x05);
163 			mem->dimm_trrd = fdtdec_get_int(blob, node,
164 							"fsp,dimm-trrd", 0x04);
165 			mem->dimm_trtp = fdtdec_get_int(blob, node,
166 							"fsp,dimm-trtp", 0x05);
167 			mem->dimm_tfaw = fdtdec_get_int(blob, node,
168 							"fsp,dimm-tfaw", 0x14);
169 		}
170 	}
171 }
172