xref: /openbmc/u-boot/arch/arm/cpu/armv7/ls102xa/soc.c (revision 85231c08)
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 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 void s_init(void)
108 {
109 }
110 
111 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
112 void erratum_a010315(void)
113 {
114 	int i;
115 
116 	for (i = PCIE1; i <= PCIE2; i++)
117 		if (!is_serdes_configured(i)) {
118 			debug("PCIe%d: disabled all R/W permission!\n", i);
119 			set_pcie_ns_access(i, 0);
120 		}
121 }
122 #endif
123 
124 int arch_soc_init(void)
125 {
126 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
127 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
128 					CONFIG_SYS_CCI400_OFFSET);
129 	unsigned int major;
130 
131 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
132 	enable_layerscape_ns_access();
133 #endif
134 
135 #ifdef CONFIG_FSL_QSPI
136 	out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
137 #endif
138 
139 #ifdef CONFIG_VIDEO_FSL_DCU_FB
140 	out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
141 #endif
142 
143 	/* Configure Little endian for SAI, ASRC and SPDIF */
144 	out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
145 
146 	/*
147 	 * Enable snoop requests and DVM message requests for
148 	 * All the slave insterfaces.
149 	 */
150 	out_le32(&cci->slave[0].snoop_ctrl,
151 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
152 	out_le32(&cci->slave[1].snoop_ctrl,
153 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
154 	out_le32(&cci->slave[2].snoop_ctrl,
155 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
156 	out_le32(&cci->slave[4].snoop_ctrl,
157 		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
158 
159 	major = get_soc_major_rev();
160 	if (major == SOC_MAJOR_VER_1_0) {
161 		/*
162 		 * Set CCI-400 Slave interface S1, S2 Shareable Override
163 		 * Register All transactions are treated as non-shareable
164 		 */
165 		out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
166 		out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
167 
168 		/* Workaround for the issue that DDR could not respond to
169 		 * barrier transaction which is generated by executing DSB/ISB
170 		 * instruction. Set CCI-400 control override register to
171 		 * terminate the barrier transaction. After DDR is initialized,
172 		 * allow barrier transaction to DDR again */
173 		out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
174 	}
175 
176 	/* Enable all the snoop signal for various masters */
177 	out_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR |
178 				SCFG_SNPCNFGCR_DCU_RD_WR |
179 				SCFG_SNPCNFGCR_SATA_RD_WR |
180 				SCFG_SNPCNFGCR_USB3_RD_WR |
181 				SCFG_SNPCNFGCR_DBG_RD_WR |
182 				SCFG_SNPCNFGCR_EDMA_SNP);
183 
184 	/*
185 	 * Memory controller require a register write before being enabled.
186 	 * Affects: DDR
187 	 * Register: EDDRTQCFG
188 	 * Description: Memory controller performance is not optimal with
189 	 *		default internal target queue register values.
190 	 * Workaround: Write a value of 63b2_0042h to address: 157_020Ch.
191 	 */
192 	out_be32(&scfg->eddrtqcfg, 0x63b20042);
193 
194 	/* Erratum */
195 	erratum_a009008();
196 	erratum_a009798();
197 	erratum_a008997();
198 	erratum_a009007();
199 
200 	return 0;
201 }
202 
203 int ls102xa_smmu_stream_id_init(void)
204 {
205 	ls1021x_config_caam_stream_id(sec_liodn_tbl,
206 				      ARRAY_SIZE(sec_liodn_tbl));
207 
208 	ls102xa_config_smmu_stream_id(dev_stream_id,
209 				      ARRAY_SIZE(dev_stream_id));
210 
211 	return 0;
212 }
213