xref: /openbmc/u-boot/arch/arm/cpu/armv7/ls102xa/soc.c (revision e246b728)
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 
15 struct liodn_id_table sec_liodn_tbl[] = {
16 	SET_SEC_JR_LIODN_ENTRY(0, 0x10, 0x10),
17 	SET_SEC_JR_LIODN_ENTRY(1, 0x10, 0x10),
18 	SET_SEC_JR_LIODN_ENTRY(2, 0x10, 0x10),
19 	SET_SEC_JR_LIODN_ENTRY(3, 0x10, 0x10),
20 	SET_SEC_RTIC_LIODN_ENTRY(a, 0x10),
21 	SET_SEC_RTIC_LIODN_ENTRY(b, 0x10),
22 	SET_SEC_RTIC_LIODN_ENTRY(c, 0x10),
23 	SET_SEC_RTIC_LIODN_ENTRY(d, 0x10),
24 	SET_SEC_DECO_LIODN_ENTRY(0, 0x10, 0x10),
25 	SET_SEC_DECO_LIODN_ENTRY(1, 0x10, 0x10),
26 	SET_SEC_DECO_LIODN_ENTRY(2, 0x10, 0x10),
27 	SET_SEC_DECO_LIODN_ENTRY(3, 0x10, 0x10),
28 	SET_SEC_DECO_LIODN_ENTRY(4, 0x10, 0x10),
29 	SET_SEC_DECO_LIODN_ENTRY(5, 0x10, 0x10),
30 	SET_SEC_DECO_LIODN_ENTRY(6, 0x10, 0x10),
31 	SET_SEC_DECO_LIODN_ENTRY(7, 0x10, 0x10),
32 };
33 
34 struct smmu_stream_id dev_stream_id[] = {
35 	{ 0x100, 0x01, "ETSEC MAC1" },
36 	{ 0x104, 0x02, "ETSEC MAC2" },
37 	{ 0x108, 0x03, "ETSEC MAC3" },
38 	{ 0x10c, 0x04, "PEX1" },
39 	{ 0x110, 0x05, "PEX2" },
40 	{ 0x114, 0x06, "qDMA" },
41 	{ 0x118, 0x07, "SATA" },
42 	{ 0x11c, 0x08, "USB3" },
43 	{ 0x120, 0x09, "QE" },
44 	{ 0x124, 0x0a, "eSDHC" },
45 	{ 0x128, 0x0b, "eMA" },
46 	{ 0x14c, 0x0c, "2D-ACE" },
47 	{ 0x150, 0x0d, "USB2" },
48 	{ 0x18c, 0x0e, "DEBUG" },
49 };
50 
51 unsigned int get_soc_major_rev(void)
52 {
53 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
54 	unsigned int svr, major;
55 
56 	svr = in_be32(&gur->svr);
57 	major = SVR_MAJ(svr);
58 
59 	return major;
60 }
61 
62 static void erratum_a009008(void)
63 {
64 #ifdef CONFIG_SYS_FSL_ERRATUM_A009008
65 	u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
66 
67 	clrsetbits_be32(scfg + SCFG_USB3PRM1CR / 4,
68 			0xF << 6,
69 			SCFG_USB_TXVREFTUNE << 6);
70 #endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
71 }
72 
73 static void erratum_a009798(void)
74 {
75 #ifdef CONFIG_SYS_FSL_ERRATUM_A009798
76 	u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
77 
78 	clrbits_be32(scfg + SCFG_USB3PRM1CR / 4,
79 			SCFG_USB_SQRXTUNE_MASK << 23);
80 #endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
81 }
82 
83 static void erratum_a008997(void)
84 {
85 #ifdef CONFIG_SYS_FSL_ERRATUM_A008997
86 	u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
87 
88 	clrsetbits_be32(scfg + SCFG_USB3PRM2CR / 4,
89 			SCFG_USB_PCSTXSWINGFULL_MASK,
90 			SCFG_USB_PCSTXSWINGFULL_VAL);
91 #endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
92 }
93 
94 static void erratum_a009007(void)
95 {
96 #ifdef CONFIG_SYS_FSL_ERRATUM_A009007
97 	void __iomem *usb_phy = (void __iomem *)USB_PHY_BASE;
98 
99 	out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1);
100 	out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2);
101 	out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3);
102 	out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4);
103 #endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
104 }
105 
106 void s_init(void)
107 {
108 }
109 
110 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
111 void erratum_a010315(void)
112 {
113 	int i;
114 
115 	for (i = PCIE1; i <= PCIE2; i++)
116 		if (!is_serdes_configured(i)) {
117 			debug("PCIe%d: disabled all R/W permission!\n", i);
118 			set_pcie_ns_access(i, 0);
119 		}
120 }
121 #endif
122 
123 int arch_soc_init(void)
124 {
125 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
126 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
127 					CONFIG_SYS_CCI400_OFFSET);
128 	unsigned int major;
129 
130 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
131 	enable_layerscape_ns_access();
132 #endif
133 
134 #ifdef CONFIG_FSL_QSPI
135 	out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
136 #endif
137 
138 #ifdef CONFIG_VIDEO_FSL_DCU_FB
139 	out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
140 #endif
141 
142 	/* Configure Little endian for SAI, ASRC and SPDIF */
143 	out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
144 
145 	/*
146 	 * Enable snoop requests and DVM message requests for
147 	 * All the slave insterfaces.
148 	 */
149 	out_le32(&cci->slave[0].snoop_ctrl,
150 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
151 	out_le32(&cci->slave[1].snoop_ctrl,
152 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
153 	out_le32(&cci->slave[2].snoop_ctrl,
154 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
155 	out_le32(&cci->slave[4].snoop_ctrl,
156 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
157 
158 	major = get_soc_major_rev();
159 	if (major == SOC_MAJOR_VER_1_0) {
160 		/*
161 		 * Set CCI-400 Slave interface S1, S2 Shareable Override
162 		 * Register All transactions are treated as non-shareable
163 		 */
164 		out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
165 		out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
166 
167 		/* Workaround for the issue that DDR could not respond to
168 		 * barrier transaction which is generated by executing DSB/ISB
169 		 * instruction. Set CCI-400 control override register to
170 		 * terminate the barrier transaction. After DDR is initialized,
171 		 * allow barrier transaction to DDR again */
172 		out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
173 	}
174 
175 	/* Enable all the snoop signal for various masters */
176 	out_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR |
177 				SCFG_SNPCNFGCR_DCU_RD_WR |
178 				SCFG_SNPCNFGCR_SATA_RD_WR |
179 				SCFG_SNPCNFGCR_USB3_RD_WR |
180 				SCFG_SNPCNFGCR_DBG_RD_WR |
181 				SCFG_SNPCNFGCR_EDMA_SNP);
182 
183 	/*
184 	 * Memory controller require a register write before being enabled.
185 	 * Affects: DDR
186 	 * Register: EDDRTQCFG
187 	 * Description: Memory controller performance is not optimal with
188 	 *		default internal target queue register values.
189 	 * Workaround: Write a value of 63b2_0042h to address: 157_020Ch.
190 	 */
191 	out_be32(&scfg->eddrtqcfg, 0x63b20042);
192 
193 	/* Erratum */
194 	erratum_a009008();
195 	erratum_a009798();
196 	erratum_a008997();
197 	erratum_a009007();
198 
199 	return 0;
200 }
201 
202 int ls102xa_smmu_stream_id_init(void)
203 {
204 	ls1021x_config_caam_stream_id(sec_liodn_tbl,
205 				      ARRAY_SIZE(sec_liodn_tbl));
206 
207 	ls102xa_config_smmu_stream_id(dev_stream_id,
208 				      ARRAY_SIZE(dev_stream_id));
209 
210 	return 0;
211 }
212