xref: /openbmc/u-boot/arch/arm/cpu/armv7/ls102xa/soc.c (revision ee7bb5be)
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/immap_ls102xa.h>
11 #include <asm/arch/ls102xa_soc.h>
12 #include <asm/arch/ls102xa_stream_id.h>
13 
14 struct liodn_id_table sec_liodn_tbl[] = {
15 	SET_SEC_JR_LIODN_ENTRY(0, 0x10, 0x10),
16 	SET_SEC_JR_LIODN_ENTRY(1, 0x10, 0x10),
17 	SET_SEC_JR_LIODN_ENTRY(2, 0x10, 0x10),
18 	SET_SEC_JR_LIODN_ENTRY(3, 0x10, 0x10),
19 	SET_SEC_RTIC_LIODN_ENTRY(a, 0x10),
20 	SET_SEC_RTIC_LIODN_ENTRY(b, 0x10),
21 	SET_SEC_RTIC_LIODN_ENTRY(c, 0x10),
22 	SET_SEC_RTIC_LIODN_ENTRY(d, 0x10),
23 	SET_SEC_DECO_LIODN_ENTRY(0, 0x10, 0x10),
24 	SET_SEC_DECO_LIODN_ENTRY(1, 0x10, 0x10),
25 	SET_SEC_DECO_LIODN_ENTRY(2, 0x10, 0x10),
26 	SET_SEC_DECO_LIODN_ENTRY(3, 0x10, 0x10),
27 	SET_SEC_DECO_LIODN_ENTRY(4, 0x10, 0x10),
28 	SET_SEC_DECO_LIODN_ENTRY(5, 0x10, 0x10),
29 	SET_SEC_DECO_LIODN_ENTRY(6, 0x10, 0x10),
30 	SET_SEC_DECO_LIODN_ENTRY(7, 0x10, 0x10),
31 };
32 
33 struct smmu_stream_id dev_stream_id[] = {
34 	{ 0x100, 0x01, "ETSEC MAC1" },
35 	{ 0x104, 0x02, "ETSEC MAC2" },
36 	{ 0x108, 0x03, "ETSEC MAC3" },
37 	{ 0x10c, 0x04, "PEX1" },
38 	{ 0x110, 0x05, "PEX2" },
39 	{ 0x114, 0x06, "qDMA" },
40 	{ 0x118, 0x07, "SATA" },
41 	{ 0x11c, 0x08, "USB3" },
42 	{ 0x120, 0x09, "QE" },
43 	{ 0x124, 0x0a, "eSDHC" },
44 	{ 0x128, 0x0b, "eMA" },
45 	{ 0x14c, 0x0c, "2D-ACE" },
46 	{ 0x150, 0x0d, "USB2" },
47 	{ 0x18c, 0x0e, "DEBUG" },
48 };
49 
50 unsigned int get_soc_major_rev(void)
51 {
52 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
53 	unsigned int svr, major;
54 
55 	svr = in_be32(&gur->svr);
56 	major = SVR_MAJ(svr);
57 
58 	return major;
59 }
60 
61 int arch_soc_init(void)
62 {
63 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
64 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
65 	unsigned int major;
66 
67 #ifdef CONFIG_FSL_QSPI
68 	out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
69 #endif
70 
71 #ifdef CONFIG_FSL_DCU_FB
72 	out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
73 #endif
74 
75 	/* Configure Little endian for SAI, ASRC and SPDIF */
76 	out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
77 
78 	/*
79 	 * Enable snoop requests and DVM message requests for
80 	 * All the slave insterfaces.
81 	 */
82 	out_le32(&cci->slave[0].snoop_ctrl,
83 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
84 	out_le32(&cci->slave[1].snoop_ctrl,
85 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
86 	out_le32(&cci->slave[2].snoop_ctrl,
87 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
88 	out_le32(&cci->slave[4].snoop_ctrl,
89 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
90 
91 	major = get_soc_major_rev();
92 	if (major == SOC_MAJOR_VER_1_0) {
93 		/*
94 		 * Set CCI-400 Slave interface S1, S2 Shareable Override
95 		 * Register All transactions are treated as non-shareable
96 		 */
97 		out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
98 		out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
99 
100 		/* Workaround for the issue that DDR could not respond to
101 		 * barrier transaction which is generated by executing DSB/ISB
102 		 * instruction. Set CCI-400 control override register to
103 		 * terminate the barrier transaction. After DDR is initialized,
104 		 * allow barrier transaction to DDR again */
105 		out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
106 	}
107 
108 	/* Enable all the snoop signal for various masters */
109 	out_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR |
110 				SCFG_SNPCNFGCR_DCU_RD_WR |
111 				SCFG_SNPCNFGCR_SATA_RD_WR |
112 				SCFG_SNPCNFGCR_USB3_RD_WR |
113 				SCFG_SNPCNFGCR_DBG_RD_WR |
114 				SCFG_SNPCNFGCR_EDMA_SNP);
115 
116 	/*
117 	 * Memory controller require a register write before being enabled.
118 	 * Affects: DDR
119 	 * Register: EDDRTQCFG
120 	 * Description: Memory controller performance is not optimal with
121 	 *		default internal target queue register values.
122 	 * Workaround: Write a value of 63b2_0042h to address: 157_020Ch.
123 	 */
124 	out_be32(&scfg->eddrtqcfg, 0x63b20042);
125 
126 	return 0;
127 }
128 
129 int ls102xa_smmu_stream_id_init(void)
130 {
131 	ls1021x_config_caam_stream_id(sec_liodn_tbl,
132 				      ARRAY_SIZE(sec_liodn_tbl));
133 
134 	ls102xa_config_smmu_stream_id(dev_stream_id,
135 				      ARRAY_SIZE(dev_stream_id));
136 
137 	return 0;
138 }
139