xref: /openbmc/u-boot/arch/arm/cpu/armv7/ls102xa/soc.c (revision 8f6d5bbb)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2015 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <asm/arch/clock.h>
8 #include <asm/io.h>
9 #include <asm/arch/fsl_serdes.h>
10 #include <asm/arch/immap_ls102xa.h>
11 #include <asm/arch/ls102xa_soc.h>
12 #include <asm/arch/ls102xa_stream_id.h>
13 #include <fsl_csu.h>
14 #include <fsl_ddr_sdram.h>
15 
16 struct liodn_id_table sec_liodn_tbl[] = {
17 	SET_SEC_JR_LIODN_ENTRY(0, 0x10, 0x10),
18 	SET_SEC_JR_LIODN_ENTRY(1, 0x10, 0x10),
19 	SET_SEC_JR_LIODN_ENTRY(2, 0x10, 0x10),
20 	SET_SEC_JR_LIODN_ENTRY(3, 0x10, 0x10),
21 	SET_SEC_RTIC_LIODN_ENTRY(a, 0x10),
22 	SET_SEC_RTIC_LIODN_ENTRY(b, 0x10),
23 	SET_SEC_RTIC_LIODN_ENTRY(c, 0x10),
24 	SET_SEC_RTIC_LIODN_ENTRY(d, 0x10),
25 	SET_SEC_DECO_LIODN_ENTRY(0, 0x10, 0x10),
26 	SET_SEC_DECO_LIODN_ENTRY(1, 0x10, 0x10),
27 	SET_SEC_DECO_LIODN_ENTRY(2, 0x10, 0x10),
28 	SET_SEC_DECO_LIODN_ENTRY(3, 0x10, 0x10),
29 	SET_SEC_DECO_LIODN_ENTRY(4, 0x10, 0x10),
30 	SET_SEC_DECO_LIODN_ENTRY(5, 0x10, 0x10),
31 	SET_SEC_DECO_LIODN_ENTRY(6, 0x10, 0x10),
32 	SET_SEC_DECO_LIODN_ENTRY(7, 0x10, 0x10),
33 };
34 
35 struct smmu_stream_id dev_stream_id[] = {
36 	{ 0x100, 0x01, "ETSEC MAC1" },
37 	{ 0x104, 0x02, "ETSEC MAC2" },
38 	{ 0x108, 0x03, "ETSEC MAC3" },
39 	{ 0x10c, 0x04, "PEX1" },
40 	{ 0x110, 0x05, "PEX2" },
41 	{ 0x114, 0x06, "qDMA" },
42 	{ 0x118, 0x07, "SATA" },
43 	{ 0x11c, 0x08, "USB3" },
44 	{ 0x120, 0x09, "QE" },
45 	{ 0x124, 0x0a, "eSDHC" },
46 	{ 0x128, 0x0b, "eMA" },
47 	{ 0x14c, 0x0c, "2D-ACE" },
48 	{ 0x150, 0x0d, "USB2" },
49 	{ 0x18c, 0x0e, "DEBUG" },
50 };
51 
52 unsigned int get_soc_major_rev(void)
53 {
54 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
55 	unsigned int svr, major;
56 
57 	svr = in_be32(&gur->svr);
58 	major = SVR_MAJ(svr);
59 
60 	return major;
61 }
62 
63 static void erratum_a009008(void)
64 {
65 #ifdef CONFIG_SYS_FSL_ERRATUM_A009008
66 	u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
67 
68 	clrsetbits_be32(scfg + SCFG_USB3PRM1CR / 4,
69 			0xF << 6,
70 			SCFG_USB_TXVREFTUNE << 6);
71 #endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
72 }
73 
74 static void erratum_a009798(void)
75 {
76 #ifdef CONFIG_SYS_FSL_ERRATUM_A009798
77 	u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
78 
79 	clrbits_be32(scfg + SCFG_USB3PRM1CR / 4,
80 			SCFG_USB_SQRXTUNE_MASK << 23);
81 #endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
82 }
83 
84 static void erratum_a008997(void)
85 {
86 #ifdef CONFIG_SYS_FSL_ERRATUM_A008997
87 	u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
88 
89 	clrsetbits_be32(scfg + SCFG_USB3PRM2CR / 4,
90 			SCFG_USB_PCSTXSWINGFULL_MASK,
91 			SCFG_USB_PCSTXSWINGFULL_VAL);
92 #endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
93 }
94 
95 static void erratum_a009007(void)
96 {
97 #ifdef CONFIG_SYS_FSL_ERRATUM_A009007
98 	void __iomem *usb_phy = (void __iomem *)USB_PHY_BASE;
99 
100 	out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1);
101 	out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2);
102 	out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3);
103 	out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4);
104 #endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
105 }
106 
107 static void erratum_a008850_early(void)
108 {
109 #ifdef CONFIG_SYS_FSL_ERRATUM_A008850
110 	/* part 1 of 2 */
111 	struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
112 						CONFIG_SYS_CCI400_OFFSET);
113 	struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
114 
115 	/* disables propagation of barrier transactions to DDRC from CCI400 */
116 	out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
117 
118 	/* disable the re-ordering in DDRC */
119 	out_be32(&ddr->eor, DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
120 #endif
121 }
122 
123 void erratum_a008850_post(void)
124 {
125 #ifdef CONFIG_SYS_FSL_ERRATUM_A008850
126 	/* part 2 of 2 */
127 	struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
128 						CONFIG_SYS_CCI400_OFFSET);
129 	struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
130 	u32 tmp;
131 
132 	/* enable propagation of barrier transactions to DDRC from CCI400 */
133 	out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
134 
135 	/* enable the re-ordering in DDRC */
136 	tmp = in_be32(&ddr->eor);
137 	tmp &= ~(DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
138 	out_be32(&ddr->eor, tmp);
139 #endif
140 }
141 
142 void s_init(void)
143 {
144 }
145 
146 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
147 void erratum_a010315(void)
148 {
149 	int i;
150 
151 	for (i = PCIE1; i <= PCIE2; i++)
152 		if (!is_serdes_configured(i)) {
153 			debug("PCIe%d: disabled all R/W permission!\n", i);
154 			set_pcie_ns_access(i, 0);
155 		}
156 }
157 #endif
158 
159 int arch_soc_init(void)
160 {
161 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
162 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
163 					CONFIG_SYS_CCI400_OFFSET);
164 	unsigned int major;
165 
166 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
167 	enable_layerscape_ns_access();
168 #endif
169 
170 #ifdef CONFIG_FSL_QSPI
171 	out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
172 #endif
173 
174 #ifdef CONFIG_VIDEO_FSL_DCU_FB
175 	out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
176 #endif
177 
178 	/* Configure Little endian for SAI, ASRC and SPDIF */
179 	out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
180 
181 	/*
182 	 * Enable snoop requests and DVM message requests for
183 	 * All the slave insterfaces.
184 	 */
185 	out_le32(&cci->slave[0].snoop_ctrl,
186 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
187 	out_le32(&cci->slave[1].snoop_ctrl,
188 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
189 	out_le32(&cci->slave[2].snoop_ctrl,
190 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
191 	out_le32(&cci->slave[4].snoop_ctrl,
192 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
193 
194 	major = get_soc_major_rev();
195 	if (major == SOC_MAJOR_VER_1_0) {
196 		/*
197 		 * Set CCI-400 Slave interface S1, S2 Shareable Override
198 		 * Register All transactions are treated as non-shareable
199 		 */
200 		out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
201 		out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
202 	}
203 
204 	/* Enable all the snoop signal for various masters */
205 	out_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR |
206 				SCFG_SNPCNFGCR_DCU_RD_WR |
207 				SCFG_SNPCNFGCR_SATA_RD_WR |
208 				SCFG_SNPCNFGCR_USB3_RD_WR |
209 				SCFG_SNPCNFGCR_DBG_RD_WR |
210 				SCFG_SNPCNFGCR_EDMA_SNP);
211 
212 	/*
213 	 * Memory controller require a register write before being enabled.
214 	 * Affects: DDR
215 	 * Register: EDDRTQCFG
216 	 * Description: Memory controller performance is not optimal with
217 	 *		default internal target queue register values.
218 	 * Workaround: Write a value of 63b2_0042h to address: 157_020Ch.
219 	 */
220 	out_be32(&scfg->eddrtqcfg, 0x63b20042);
221 
222 	/* Erratum */
223 	erratum_a008850_early();
224 	erratum_a009008();
225 	erratum_a009798();
226 	erratum_a008997();
227 	erratum_a009007();
228 
229 	return 0;
230 }
231 
232 int ls102xa_smmu_stream_id_init(void)
233 {
234 	ls1021x_config_caam_stream_id(sec_liodn_tbl,
235 				      ARRAY_SIZE(sec_liodn_tbl));
236 
237 	ls102xa_config_smmu_stream_id(dev_stream_id,
238 				      ARRAY_SIZE(dev_stream_id));
239 
240 	return 0;
241 }
242