xref: /openbmc/u-boot/drivers/misc/fsl_portals.c (revision aa5e3e22)
1 /*
2  * Copyright 2008-2011 Freescale Semiconductor, Inc.
3  * Copyright 2017 NXP
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <linux/libfdt.h>
10 #include <fdt_support.h>
11 
12 #include <asm/processor.h>
13 #include <asm/io.h>
14 #ifdef CONFIG_PPC
15 #include <asm/fsl_portals.h>
16 #include <asm/fsl_liodn.h>
17 #endif
18 #include <fsl_qbman.h>
19 
20 #define MAX_BPORTALS (CONFIG_SYS_BMAN_CINH_SIZE / CONFIG_SYS_BMAN_SP_CINH_SIZE)
21 #define MAX_QPORTALS (CONFIG_SYS_QMAN_CINH_SIZE / CONFIG_SYS_QMAN_SP_CINH_SIZE)
22 void setup_qbman_portals(void)
23 {
24 	void __iomem *bpaddr = (void *)CONFIG_SYS_BMAN_CINH_BASE +
25 				CONFIG_SYS_BMAN_SWP_ISDR_REG;
26 	void __iomem *qpaddr = (void *)CONFIG_SYS_QMAN_CINH_BASE +
27 				CONFIG_SYS_QMAN_SWP_ISDR_REG;
28 #ifdef CONFIG_PPC
29 	struct ccsr_qman *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
30 
31 	/* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */
32 #ifdef CONFIG_PHYS_64BIT
33 	out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32));
34 #endif
35 	out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS);
36 #endif
37 #ifdef CONFIG_FSL_CORENET
38 	int i;
39 
40 	for (i = 0; i < CONFIG_SYS_QMAN_NUM_PORTALS; i++) {
41 		u8 sdest = qp_info[i].sdest;
42 		u16 fliodn = qp_info[i].fliodn;
43 		u16 dliodn = qp_info[i].dliodn;
44 		u16 liodn_off = qp_info[i].liodn_offset;
45 
46 		out_be32(&qman->qcsp[i].qcsp_lio_cfg, (liodn_off << 16) |
47 					dliodn);
48 		/* set frame liodn */
49 		out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | fliodn);
50 	}
51 #endif
52 
53 	/* Change default state of BMan ISDR portals to all 1s */
54 	inhibit_portals(bpaddr, CONFIG_SYS_BMAN_NUM_PORTALS, MAX_BPORTALS,
55 			CONFIG_SYS_BMAN_SP_CINH_SIZE);
56 	inhibit_portals(qpaddr, CONFIG_SYS_QMAN_NUM_PORTALS, MAX_QPORTALS,
57 			CONFIG_SYS_QMAN_SP_CINH_SIZE);
58 }
59 
60 void inhibit_portals(void __iomem *addr, int max_portals,
61 		     int arch_max_portals, int portal_cinh_size)
62 {
63 	u32 val;
64 	int i;
65 
66 	/* arch_max_portals is the maximum based on memory size. This includes
67 	 * the reserved memory in the SoC.  max_portals the number of physical
68 	 * portals in the SoC
69 	 */
70 	if (max_portals > arch_max_portals) {
71 		printf("ERROR: portal config error\n");
72 		max_portals = arch_max_portals;
73 	}
74 
75 	for (i = 0; i < max_portals; i++) {
76 		out_be32(addr, -1);
77 		val = in_be32(addr);
78 		if (!val) {
79 			printf("ERROR: Stopped after %d portals\n", i);
80 			return;
81 		}
82 		addr += portal_cinh_size;
83 	}
84 	debug("Cleared %d portals\n", i);
85 }
86 
87 #ifdef CONFIG_PPC
88 static int fdt_qportal(void *blob, int off, int id, char *name,
89 		       enum fsl_dpaa_dev dev, int create)
90 {
91 	int childoff, dev_off, ret = 0;
92 	u32 dev_handle;
93 #ifdef CONFIG_FSL_CORENET
94 	int num;
95 	u32 liodns[2];
96 #endif
97 
98 	childoff = fdt_subnode_offset(blob, off, name);
99 	if (create) {
100 		char handle[64], *p;
101 
102 		strncpy(handle, name, sizeof(handle));
103 		p = strchr(handle, '@');
104 		if (!strncmp(name, "fman", 4)) {
105 			*p = *(p + 1);
106 			p++;
107 		}
108 		*p = '\0';
109 
110 		dev_off = fdt_path_offset(blob, handle);
111 		/* skip this node if alias is not found */
112 		if (dev_off == -FDT_ERR_BADPATH)
113 			return 0;
114 		if (dev_off < 0)
115 			return dev_off;
116 
117 		if (childoff <= 0)
118 			childoff = fdt_add_subnode(blob, off, name);
119 
120 		/* need to update the dev_off after adding a subnode */
121 		dev_off = fdt_path_offset(blob, handle);
122 		if (dev_off < 0)
123 			return dev_off;
124 
125 		if (childoff > 0) {
126 			dev_handle = fdt_get_phandle(blob, dev_off);
127 			if (dev_handle <= 0) {
128 				dev_handle = fdt_alloc_phandle(blob);
129 				ret = fdt_set_phandle(blob, dev_off,
130 						      dev_handle);
131 				if (ret < 0)
132 					return ret;
133 			}
134 
135 			ret = fdt_setprop(blob, childoff, "dev-handle",
136 					  &dev_handle, sizeof(dev_handle));
137 			if (ret < 0)
138 				return ret;
139 
140 #ifdef CONFIG_FSL_CORENET
141 			num = get_dpaa_liodn(dev, &liodns[0], id);
142 			ret = fdt_setprop(blob, childoff, "fsl,liodn",
143 					  &liodns[0], sizeof(u32) * num);
144 			if (!strncmp(name, "pme", 3)) {
145 				u32 pme_rev1, pme_rev2;
146 				ccsr_pme_t *pme_regs =
147 					(void *)CONFIG_SYS_FSL_CORENET_PME_ADDR;
148 
149 				pme_rev1 = in_be32(&pme_regs->pm_ip_rev_1);
150 				pme_rev2 = in_be32(&pme_regs->pm_ip_rev_2);
151 				ret = fdt_setprop(blob, childoff,
152 						  "fsl,pme-rev1", &pme_rev1,
153 						  sizeof(u32));
154 				if (ret < 0)
155 					return ret;
156 				ret = fdt_setprop(blob, childoff,
157 						  "fsl,pme-rev2", &pme_rev2,
158 						  sizeof(u32));
159 			}
160 #endif
161 		} else {
162 			return childoff;
163 		}
164 	} else {
165 		if (childoff > 0)
166 			ret = fdt_del_node(blob, childoff);
167 	}
168 
169 	return ret;
170 }
171 #endif /* CONFIG_PPC */
172 
173 void fdt_fixup_qportals(void *blob)
174 {
175 	int off, err;
176 	unsigned int maj, min;
177 	unsigned int ip_cfg;
178 	struct ccsr_qman *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR;
179 	u32 rev_1 = in_be32(&qman->ip_rev_1);
180 	u32 rev_2 = in_be32(&qman->ip_rev_2);
181 	char compat[64];
182 	int compat_len;
183 
184 	maj = (rev_1 >> 8) & 0xff;
185 	min = rev_1 & 0xff;
186 	ip_cfg = rev_2 & 0xff;
187 
188 	compat_len = sprintf(compat, "fsl,qman-portal-%u.%u.%u",
189 			     maj, min, ip_cfg) + 1;
190 	compat_len += sprintf(compat + compat_len, "fsl,qman-portal") + 1;
191 
192 	off = fdt_node_offset_by_compatible(blob, -1, "fsl,qman-portal");
193 	while (off != -FDT_ERR_NOTFOUND) {
194 #ifdef CONFIG_PPC
195 #ifdef CONFIG_FSL_CORENET
196 		u32 liodns[2];
197 #endif
198 		const int *ci = fdt_getprop(blob, off, "cell-index", &err);
199 		int i;
200 
201 		if (!ci)
202 			goto err;
203 
204 		i = *ci;
205 #ifdef CONFIG_SYS_DPAA_FMAN
206 		int j;
207 #endif
208 
209 #endif /* CONFIG_PPC */
210 		err = fdt_setprop(blob, off, "compatible", compat, compat_len);
211 		if (err < 0)
212 			goto err;
213 #ifdef CONFIG_PPC
214 #ifdef CONFIG_FSL_CORENET
215 		liodns[0] = qp_info[i].dliodn;
216 		liodns[1] = qp_info[i].fliodn;
217 		err = fdt_setprop(blob, off, "fsl,liodn",
218 				  &liodns, sizeof(u32) * 2);
219 		if (err < 0)
220 			goto err;
221 #endif
222 
223 		i++;
224 
225 		err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC,
226 				  IS_E_PROCESSOR(get_svr()));
227 		if (err < 0)
228 			goto err;
229 
230 #ifdef CONFIG_FSL_CORENET
231 #ifdef CONFIG_SYS_DPAA_PME
232 		err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1);
233 		if (err < 0)
234 			goto err;
235 #else
236 		fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0);
237 #endif
238 #endif
239 
240 #ifdef CONFIG_SYS_DPAA_FMAN
241 		for (j = 0; j < CONFIG_SYS_NUM_FMAN; j++) {
242 			char name[] = "fman@0";
243 
244 			name[sizeof(name) - 2] = '0' + j;
245 			err = fdt_qportal(blob, off, i, name,
246 					  FSL_HW_PORTAL_FMAN1 + j, 1);
247 			if (err < 0)
248 				goto err;
249 		}
250 #endif
251 #ifdef CONFIG_SYS_DPAA_RMAN
252 		err = fdt_qportal(blob, off, i, "rman@0",
253 				  FSL_HW_PORTAL_RMAN, 1);
254 		if (err < 0)
255 			goto err;
256 #endif
257 #endif /* CONFIG_PPC */
258 
259 err:
260 		if (err < 0) {
261 			printf("ERROR: unable to create props for %s: %s\n",
262 			       fdt_get_name(blob, off, NULL),
263 			       fdt_strerror(err));
264 			return;
265 		}
266 
267 		off = fdt_node_offset_by_compatible(blob, off,
268 						    "fsl,qman-portal");
269 	}
270 }
271 
272 void fdt_fixup_bportals(void *blob)
273 {
274 	int off, err;
275 	unsigned int maj, min;
276 	unsigned int ip_cfg;
277 	struct ccsr_bman *bman = (void *)CONFIG_SYS_FSL_BMAN_ADDR;
278 	u32 rev_1 = in_be32(&bman->ip_rev_1);
279 	u32 rev_2 = in_be32(&bman->ip_rev_2);
280 	char compat[64];
281 	int compat_len;
282 
283 	maj = (rev_1 >> 8) & 0xff;
284 	min = rev_1 & 0xff;
285 
286 	ip_cfg = rev_2 & 0xff;
287 
288 	compat_len = sprintf(compat, "fsl,bman-portal-%u.%u.%u",
289 			     maj, min, ip_cfg) + 1;
290 	compat_len += sprintf(compat + compat_len, "fsl,bman-portal") + 1;
291 
292 	off = fdt_node_offset_by_compatible(blob, -1, "fsl,bman-portal");
293 	while (off != -FDT_ERR_NOTFOUND) {
294 		err = fdt_setprop(blob, off, "compatible", compat, compat_len);
295 		if (err < 0) {
296 			printf("ERROR: unable to create props for %s: %s\n",
297 			       fdt_get_name(blob, off, NULL),
298 			       fdt_strerror(err));
299 			return;
300 		}
301 
302 		off = fdt_node_offset_by_compatible(blob, off,
303 						    "fsl,bman-portal");
304 	}
305 }
306