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/fsp/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 update_fsp_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 }
170