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