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      1 // SPDX-License-Identifier: GPL-2.0+
      2 /*
      3  * Copyright 2008-2011 Freescale Semiconductor, Inc.
      4  */
      5 
      6 #include <common.h>
      7 #include <linux/libfdt.h>
      8 #include <fdt_support.h>
      9 
     10 #include <asm/immap_85xx.h>
     11 #include <asm/io.h>
     12 #include <asm/processor.h>
     13 #include <asm/fsl_portals.h>
     14 #include <asm/fsl_liodn.h>
     15 
     16 int get_dpaa_liodn(enum fsl_dpaa_dev dpaa_dev, u32 *liodns, int liodn_offset)
     17 {
     18 	liodns[0] = liodn_bases[dpaa_dev].id[0] + liodn_offset;
     19 
     20 	if (liodn_bases[dpaa_dev].num_ids == 2)
     21 		liodns[1] = liodn_bases[dpaa_dev].id[1] + liodn_offset;
     22 
     23 	return liodn_bases[dpaa_dev].num_ids;
     24 }
     25 
     26 #ifdef CONFIG_SYS_SRIO
     27 static void set_srio_liodn(struct srio_liodn_id_table *tbl, int size)
     28 {
     29 	int i;
     30 
     31 	for (i = 0; i < size; i++) {
     32 		unsigned long reg_off = tbl[i].reg_offset[0];
     33 		out_be32((u32 *)reg_off, tbl[i].id[0]);
     34 
     35 		if (tbl[i].num_ids == 2) {
     36 			reg_off = tbl[i].reg_offset[1];
     37 			out_be32((u32 *)reg_off, tbl[i].id[1]);
     38 		}
     39 	}
     40 }
     41 #endif
     42 
     43 static void set_liodn(struct liodn_id_table *tbl, int size)
     44 {
     45 	int i;
     46 
     47 	for (i = 0; i < size; i++) {
     48 		u32 liodn;
     49 		if (tbl[i].num_ids == 2) {
     50 			liodn = (tbl[i].id[0] << 16) | tbl[i].id[1];
     51 		} else {
     52 			liodn = tbl[i].id[0];
     53 		}
     54 
     55 		out_be32((volatile u32 *)(tbl[i].reg_offset), liodn);
     56 	}
     57 }
     58 
     59 #ifdef CONFIG_SYS_DPAA_FMAN
     60 static void set_fman_liodn(struct fman_liodn_id_table *tbl, int size)
     61 {
     62 	int i;
     63 
     64 	for (i = 0; i < size; i++) {
     65 		u32 liodn;
     66 		if (tbl[i].num_ids == 2)
     67 			liodn = (tbl[i].id[0] << 16) | tbl[i].id[1];
     68 		else
     69 			liodn = tbl[i].id[0];
     70 
     71 		out_be32((volatile u32 *)(tbl[i].reg_offset), liodn);
     72 	}
     73 }
     74 #endif
     75 
     76 static void setup_sec_liodn_base(void)
     77 {
     78 	ccsr_sec_t *sec = (void *)CONFIG_SYS_FSL_SEC_ADDR;
     79 	u32 base;
     80 
     81 	if (!IS_E_PROCESSOR(get_svr()))
     82 		return;
     83 
     84 	/* QILCR[QSLOM] */
     85 	sec_out32(&sec->qilcr_ms, 0x3ff<<16);
     86 
     87 	base = (liodn_bases[FSL_HW_PORTAL_SEC].id[0] << 16) |
     88 		liodn_bases[FSL_HW_PORTAL_SEC].id[1];
     89 
     90 	sec_out32(&sec->qilcr_ls, base);
     91 }
     92 
     93 #ifdef CONFIG_SYS_DPAA_FMAN
     94 static void setup_fman_liodn_base(enum fsl_dpaa_dev dev,
     95 				  struct fman_liodn_id_table *tbl, int size)
     96 {
     97 	int i;
     98 	ccsr_fman_t *fm;
     99 	u32 base;
    100 
    101 	switch(dev) {
    102 	case FSL_HW_PORTAL_FMAN1:
    103 		fm = (void *)CONFIG_SYS_FSL_FM1_ADDR;
    104 		break;
    105 
    106 #if (CONFIG_SYS_NUM_FMAN == 2)
    107 	case FSL_HW_PORTAL_FMAN2:
    108 		fm = (void *)CONFIG_SYS_FSL_FM2_ADDR;
    109 		break;
    110 #endif
    111 	default:
    112 		printf("Error: Invalid device type to %s\n", __FUNCTION__);
    113 		return ;
    114 	}
    115 
    116 	base = (liodn_bases[dev].id[0] << 16) | liodn_bases[dev].id[0];
    117 
    118 	/* setup all bases the same */
    119 	for (i = 0; i < 32; i++) {
    120 		out_be32(&fm->fm_dma.fmdmplr[i], base);
    121 	}
    122 
    123 	/* update tbl to ... */
    124 	for (i = 0; i < size; i++)
    125 		tbl[i].id[0] += liodn_bases[dev].id[0];
    126 }
    127 #endif
    128 
    129 static void setup_pme_liodn_base(void)
    130 {
    131 #ifdef CONFIG_SYS_DPAA_PME
    132 	ccsr_pme_t *pme = (void *)CONFIG_SYS_FSL_CORENET_PME_ADDR;
    133 	u32 base = (liodn_bases[FSL_HW_PORTAL_PME].id[0] << 16) |
    134 			liodn_bases[FSL_HW_PORTAL_PME].id[1];
    135 
    136 	out_be32(&pme->liodnbr, base);
    137 #endif
    138 }
    139 
    140 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
    141 static void setup_raide_liodn_base(void)
    142 {
    143 	struct ccsr_raide *raide = (void *)CONFIG_SYS_FSL_RAID_ENGINE_ADDR;
    144 
    145 	/* setup raid engine liodn base for data/desc ; both set to 47 */
    146 	u32 base = (liodn_bases[FSL_HW_PORTAL_RAID_ENGINE].id[0] << 16) |
    147 			liodn_bases[FSL_HW_PORTAL_RAID_ENGINE].id[0];
    148 
    149 	out_be32(&raide->liodnbr, base);
    150 }
    151 #endif
    152 
    153 #ifdef CONFIG_SYS_DPAA_RMAN
    154 static void set_rman_liodn(struct liodn_id_table *tbl, int size)
    155 {
    156 	int i;
    157 	struct ccsr_rman *rman = (void *)CONFIG_SYS_FSL_CORENET_RMAN_ADDR;
    158 
    159 	for (i = 0; i < size; i++) {
    160 		/* write the RMan block number */
    161 		out_be32(&rman->mmitar, i);
    162 		/* write the liodn offset corresponding to the block */
    163 		out_be32((u32 *)(tbl[i].reg_offset), tbl[i].id[0]);
    164 	}
    165 }
    166 
    167 static void setup_rman_liodn_base(struct liodn_id_table *tbl, int size)
    168 {
    169 	int i;
    170 	struct ccsr_rman *rman = (void *)CONFIG_SYS_FSL_CORENET_RMAN_ADDR;
    171 	u32 base = liodn_bases[FSL_HW_PORTAL_RMAN].id[0];
    172 
    173 	out_be32(&rman->mmliodnbr, base);
    174 
    175 	/* update liodn offset */
    176 	for (i = 0; i < size; i++)
    177 		tbl[i].id[0] += base;
    178 }
    179 #endif
    180 
    181 void set_liodns(void)
    182 {
    183 	/* setup general liodn offsets */
    184 	set_liodn(liodn_tbl, liodn_tbl_sz);
    185 
    186 #ifdef CONFIG_SYS_SRIO
    187 	/* setup SRIO port liodns */
    188 	set_srio_liodn(srio_liodn_tbl, srio_liodn_tbl_sz);
    189 #endif
    190 
    191 	/* setup SEC block liodn bases & offsets if we have one */
    192 	if (IS_E_PROCESSOR(get_svr())) {
    193 		set_liodn(sec_liodn_tbl, sec_liodn_tbl_sz);
    194 		setup_sec_liodn_base();
    195 	}
    196 
    197 	/* setup FMAN block(s) liodn bases & offsets if we have one */
    198 #ifdef CONFIG_SYS_DPAA_FMAN
    199 	set_fman_liodn(fman1_liodn_tbl, fman1_liodn_tbl_sz);
    200 	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN1, fman1_liodn_tbl,
    201 				fman1_liodn_tbl_sz);
    202 
    203 #if (CONFIG_SYS_NUM_FMAN == 2)
    204 	set_fman_liodn(fman2_liodn_tbl, fman2_liodn_tbl_sz);
    205 	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN2, fman2_liodn_tbl,
    206 				fman2_liodn_tbl_sz);
    207 #endif
    208 #endif
    209 	/* setup PME liodn base */
    210 	setup_pme_liodn_base();
    211 
    212 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
    213 	/* raid engine ccr addr code for liodn */
    214 	set_liodn(raide_liodn_tbl, raide_liodn_tbl_sz);
    215 	setup_raide_liodn_base();
    216 #endif
    217 
    218 #ifdef CONFIG_SYS_DPAA_RMAN
    219 	/* setup RMan liodn offsets */
    220 	set_rman_liodn(rman_liodn_tbl, rman_liodn_tbl_sz);
    221 	/* setup RMan liodn base */
    222 	setup_rman_liodn_base(rman_liodn_tbl, rman_liodn_tbl_sz);
    223 #endif
    224 }
    225 
    226 #ifdef CONFIG_SYS_SRIO
    227 static void fdt_fixup_srio_liodn(void *blob, struct srio_liodn_id_table *tbl)
    228 {
    229 	int i, srio_off;
    230 
    231 	/* search for srio node, if doesn't exist just return - nothing todo */
    232 	srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
    233 	if (srio_off < 0)
    234 		return ;
    235 
    236 	for (i = 0; i < srio_liodn_tbl_sz; i++) {
    237 		int off, portid = tbl[i].portid;
    238 
    239 		off = fdt_node_offset_by_prop_value(blob, srio_off,
    240 			 "cell-index", &portid, 4);
    241 		if (off >= 0) {
    242 			off = fdt_setprop(blob, off, "fsl,liodn",
    243 				&tbl[i].id[0],
    244 				sizeof(u32) * tbl[i].num_ids);
    245 			if (off > 0)
    246 				printf("WARNING unable to set fsl,liodn for "
    247 					"fsl,srio port %d: %s\n",
    248 					portid, fdt_strerror(off));
    249 		} else {
    250 			debug("WARNING: couldn't set fsl,liodn for srio: %s.\n",
    251 				fdt_strerror(off));
    252 		}
    253 	}
    254 }
    255 #endif
    256 
    257 #define CONFIG_SYS_MAX_PCI_EPS		8
    258 
    259 static void fdt_fixup_pci_liodn_offsets(void *fdt, const char *compat,
    260 					int ep_liodn_start)
    261 {
    262 	int off, pci_idx = 0, pci_cnt = 0, i, rc;
    263 	const uint32_t *base_liodn;
    264 	uint32_t liodn_offs[CONFIG_SYS_MAX_PCI_EPS + 1] = { 0 };
    265 
    266 	/*
    267 	 * Count the number of pci nodes.
    268 	 * It's needed later when the interleaved liodn offsets are generated.
    269 	 */
    270 	off = fdt_node_offset_by_compatible(fdt, -1, compat);
    271 	while (off != -FDT_ERR_NOTFOUND) {
    272 		pci_cnt++;
    273 		off = fdt_node_offset_by_compatible(fdt, off, compat);
    274 	}
    275 
    276 	for (off = fdt_node_offset_by_compatible(fdt, -1, compat);
    277 	     off != -FDT_ERR_NOTFOUND;
    278 	     off = fdt_node_offset_by_compatible(fdt, off, compat)) {
    279 		base_liodn = fdt_getprop(fdt, off, "fsl,liodn", &rc);
    280 		if (!base_liodn) {
    281 			char path[64];
    282 
    283 			if (fdt_get_path(fdt, off, path, sizeof(path)) < 0)
    284 				strcpy(path, "(unknown)");
    285 			printf("WARNING Could not get liodn of node %s: %s\n",
    286 			       path, fdt_strerror(rc));
    287 			continue;
    288 		}
    289 		for (i = 0; i < CONFIG_SYS_MAX_PCI_EPS; i++)
    290 			liodn_offs[i + 1] = ep_liodn_start +
    291 					i * pci_cnt + pci_idx - *base_liodn;
    292 		rc = fdt_setprop(fdt, off, "fsl,liodn-offset-list",
    293 				 liodn_offs, sizeof(liodn_offs));
    294 		if (rc) {
    295 			char path[64];
    296 
    297 			if (fdt_get_path(fdt, off, path, sizeof(path)) < 0)
    298 				strcpy(path, "(unknown)");
    299 			printf("WARNING Unable to set fsl,liodn-offset-list for "
    300 			       "node %s: %s\n", path, fdt_strerror(rc));
    301 			continue;
    302 		}
    303 		pci_idx++;
    304 	}
    305 }
    306 
    307 static void fdt_fixup_liodn_tbl(void *blob, struct liodn_id_table *tbl, int sz)
    308 {
    309 	int i;
    310 
    311 	for (i = 0; i < sz; i++) {
    312 		int off;
    313 
    314 		if (tbl[i].compat == NULL)
    315 			continue;
    316 
    317 		off = fdt_node_offset_by_compat_reg(blob,
    318 				tbl[i].compat, tbl[i].compat_offset);
    319 		if (off >= 0) {
    320 			off = fdt_setprop(blob, off, "fsl,liodn",
    321 				&tbl[i].id[0],
    322 				sizeof(u32) * tbl[i].num_ids);
    323 			if (off > 0)
    324 				printf("WARNING unable to set fsl,liodn for "
    325 					"%s: %s\n",
    326 					tbl[i].compat, fdt_strerror(off));
    327 		} else {
    328 			debug("WARNING: could not set fsl,liodn for %s: %s.\n",
    329 					tbl[i].compat, fdt_strerror(off));
    330 		}
    331 	}
    332 }
    333 
    334 #ifdef CONFIG_SYS_DPAA_FMAN
    335 static void fdt_fixup_liodn_tbl_fman(void *blob,
    336 				     struct fman_liodn_id_table *tbl,
    337 				     int sz)
    338 {
    339 	int i;
    340 
    341 	for (i = 0; i < sz; i++) {
    342 		int off;
    343 
    344 		if (tbl[i].compat == NULL)
    345 			continue;
    346 
    347 		/* Try the new compatible first.
    348 		 * If the node is missing, try the old.
    349 		 */
    350 		off = fdt_node_offset_by_compat_reg(blob,
    351 				tbl[i].compat[0], tbl[i].compat_offset);
    352 		if (off < 0)
    353 			off = fdt_node_offset_by_compat_reg(blob,
    354 					tbl[i].compat[1], tbl[i].compat_offset);
    355 
    356 		if (off >= 0) {
    357 			off = fdt_setprop(blob, off, "fsl,liodn",
    358 				&tbl[i].id[0],
    359 				sizeof(u32) * tbl[i].num_ids);
    360 			if (off > 0)
    361 				printf("WARNING unable to set fsl,liodn for FMan Port: %s\n",
    362 				       fdt_strerror(off));
    363 		} else {
    364 			debug("WARNING: could not set fsl,liodn for FMan Portport: %s.\n",
    365 			      fdt_strerror(off));
    366 		}
    367 	}
    368 }
    369 #endif
    370 
    371 void fdt_fixup_liodn(void *blob)
    372 {
    373 #ifdef CONFIG_SYS_SRIO
    374 	fdt_fixup_srio_liodn(blob, srio_liodn_tbl);
    375 #endif
    376 
    377 	fdt_fixup_liodn_tbl(blob, liodn_tbl, liodn_tbl_sz);
    378 #ifdef CONFIG_SYS_DPAA_FMAN
    379 	fdt_fixup_liodn_tbl_fman(blob, fman1_liodn_tbl, fman1_liodn_tbl_sz);
    380 #if (CONFIG_SYS_NUM_FMAN == 2)
    381 	fdt_fixup_liodn_tbl_fman(blob, fman2_liodn_tbl, fman2_liodn_tbl_sz);
    382 #endif
    383 #endif
    384 	fdt_fixup_liodn_tbl(blob, sec_liodn_tbl, sec_liodn_tbl_sz);
    385 
    386 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
    387 	fdt_fixup_liodn_tbl(blob, raide_liodn_tbl, raide_liodn_tbl_sz);
    388 #endif
    389 
    390 #ifdef CONFIG_SYS_DPAA_RMAN
    391 	fdt_fixup_liodn_tbl(blob, rman_liodn_tbl, rman_liodn_tbl_sz);
    392 #endif
    393 
    394 	ccsr_pcix_t *pcix = (ccsr_pcix_t *)CONFIG_SYS_PCIE1_ADDR;
    395 	int pci_ver = pcix->ipver1 & 0xffff, liodn_base = 0;
    396 
    397 	if (pci_ver >= 0x0204) {
    398 		if (pci_ver >= 0x0300)
    399 			liodn_base = 1024;
    400 		else
    401 			liodn_base = 256;
    402 	}
    403 
    404 	if (liodn_base) {
    405 		char compat[32];
    406 
    407 		sprintf(compat, "fsl,qoriq-pcie-v%d.%d",
    408 			(pci_ver & 0xff00) >> 8, pci_ver & 0xff);
    409 		fdt_fixup_pci_liodn_offsets(blob, compat, liodn_base);
    410 		fdt_fixup_pci_liodn_offsets(blob, "fsl,qoriq-pcie", liodn_base);
    411 	}
    412 }
    413