xref: /openbmc/u-boot/arch/arm/cpu/armv7/ls102xa/soc.c (revision d374e90b)
1 /*
2  * Copyright 2015 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <asm/arch/clock.h>
9 #include <asm/io.h>
10 #include <asm/arch/fsl_serdes.h>
11 #include <asm/arch/immap_ls102xa.h>
12 #include <asm/arch/ls102xa_soc.h>
13 #include <asm/arch/ls102xa_stream_id.h>
14 #include <fsl_csu.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 void s_init(void)
64 {
65 }
66 
67 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
68 void erratum_a010315(void)
69 {
70 	int i;
71 
72 	for (i = PCIE1; i <= PCIE2; i++)
73 		if (!is_serdes_configured(i)) {
74 			debug("PCIe%d: disabled all R/W permission!\n", i);
75 			set_pcie_ns_access(i, 0);
76 		}
77 }
78 #endif
79 
80 int arch_soc_init(void)
81 {
82 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
83 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
84 	unsigned int major;
85 
86 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
87 	enable_layerscape_ns_access();
88 #endif
89 
90 #ifdef CONFIG_FSL_QSPI
91 	out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
92 #endif
93 
94 #ifdef CONFIG_VIDEO_FSL_DCU_FB
95 	out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
96 #endif
97 
98 	/* Configure Little endian for SAI, ASRC and SPDIF */
99 	out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
100 
101 	/*
102 	 * Enable snoop requests and DVM message requests for
103 	 * All the slave insterfaces.
104 	 */
105 	out_le32(&cci->slave[0].snoop_ctrl,
106 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
107 	out_le32(&cci->slave[1].snoop_ctrl,
108 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
109 	out_le32(&cci->slave[2].snoop_ctrl,
110 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
111 	out_le32(&cci->slave[4].snoop_ctrl,
112 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
113 
114 	major = get_soc_major_rev();
115 	if (major == SOC_MAJOR_VER_1_0) {
116 		/*
117 		 * Set CCI-400 Slave interface S1, S2 Shareable Override
118 		 * Register All transactions are treated as non-shareable
119 		 */
120 		out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
121 		out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
122 
123 		/* Workaround for the issue that DDR could not respond to
124 		 * barrier transaction which is generated by executing DSB/ISB
125 		 * instruction. Set CCI-400 control override register to
126 		 * terminate the barrier transaction. After DDR is initialized,
127 		 * allow barrier transaction to DDR again */
128 		out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
129 	}
130 
131 	/* Enable all the snoop signal for various masters */
132 	out_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR |
133 				SCFG_SNPCNFGCR_DCU_RD_WR |
134 				SCFG_SNPCNFGCR_SATA_RD_WR |
135 				SCFG_SNPCNFGCR_USB3_RD_WR |
136 				SCFG_SNPCNFGCR_DBG_RD_WR |
137 				SCFG_SNPCNFGCR_EDMA_SNP);
138 
139 	/*
140 	 * Memory controller require a register write before being enabled.
141 	 * Affects: DDR
142 	 * Register: EDDRTQCFG
143 	 * Description: Memory controller performance is not optimal with
144 	 *		default internal target queue register values.
145 	 * Workaround: Write a value of 63b2_0042h to address: 157_020Ch.
146 	 */
147 	out_be32(&scfg->eddrtqcfg, 0x63b20042);
148 
149 	return 0;
150 }
151 
152 int ls102xa_smmu_stream_id_init(void)
153 {
154 	ls1021x_config_caam_stream_id(sec_liodn_tbl,
155 				      ARRAY_SIZE(sec_liodn_tbl));
156 
157 	ls102xa_config_smmu_stream_id(dev_stream_id,
158 				      ARRAY_SIZE(dev_stream_id));
159 
160 	return 0;
161 }
162