1 /*
2  * Copyright (C) 2013, Intel Corporation
3  * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
4  * Copyright (C) 2015, Kodak Alaris, Inc
5  *
6  * SPDX-License-Identifier:	Intel
7  */
8 
9 #include <common.h>
10 #include <fdtdec.h>
11 #include <asm/fsp/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 update_fsp_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 }
171