xref: /openbmc/u-boot/arch/powerpc/cpu/mpc85xx/liodn.c (revision 33971937)
1 /*
2  * Copyright 2008-2010 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #include <common.h>
24 #include <libfdt.h>
25 #include <fdt_support.h>
26 
27 #include <asm/immap_85xx.h>
28 #include <asm/io.h>
29 #include <asm/processor.h>
30 #include <asm/fsl_portals.h>
31 #include <asm/fsl_liodn.h>
32 
33 int get_dpaa_liodn(enum fsl_dpaa_dev dpaa_dev, u32 *liodns, int liodn_offset)
34 {
35 	liodns[0] = liodn_bases[dpaa_dev].id[0] + liodn_offset;
36 
37 	if (liodn_bases[dpaa_dev].num_ids == 2)
38 		liodns[1] = liodn_bases[dpaa_dev].id[1] + liodn_offset;
39 
40 	return liodn_bases[dpaa_dev].num_ids;
41 }
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 static void setup_sec_liodn_base(void)
60 {
61 	ccsr_sec_t *sec = (void *)CONFIG_SYS_FSL_SEC_ADDR;
62 	u32 base;
63 
64 	if (!IS_E_PROCESSOR(get_svr()))
65 		return;
66 
67 	/* QILCR[QSLOM] */
68 	out_be32(&sec->qilcr_ms, 0x3ff<<16);
69 
70 	base = (liodn_bases[FSL_HW_PORTAL_SEC].id[0] << 16) |
71 		liodn_bases[FSL_HW_PORTAL_SEC].id[1];
72 
73 	out_be32(&sec->qilcr_ls, base);
74 }
75 
76 #ifdef CONFIG_SYS_DPAA_FMAN
77 static void setup_fman_liodn_base(enum fsl_dpaa_dev dev,
78 				  struct liodn_id_table *tbl, int size)
79 {
80 	int i;
81 	ccsr_fman_t *fm;
82 	u32 base;
83 
84 	switch(dev) {
85 	case FSL_HW_PORTAL_FMAN1:
86 		fm = (void *)CONFIG_SYS_FSL_FM1_ADDR;
87 		break;
88 
89 #if (CONFIG_SYS_NUM_FMAN == 2)
90 	case FSL_HW_PORTAL_FMAN2:
91 		fm = (void *)CONFIG_SYS_FSL_FM2_ADDR;
92 		break;
93 #endif
94 	default:
95 		printf("Error: Invalid device type to %s\n", __FUNCTION__);
96 		return ;
97 	}
98 
99 	base = (liodn_bases[dev].id[0] << 16) | liodn_bases[dev].id[0];
100 
101 	/* setup all bases the same */
102 	for (i = 0; i < 32; i++) {
103 		out_be32(&fm->fm_dma.fmdmplr[i], base);
104 	}
105 
106 	/* update tbl to ... */
107 	for (i = 0; i < size; i++)
108 		tbl[i].id[0] += liodn_bases[dev].id[0];
109 }
110 #endif
111 
112 static void setup_pme_liodn_base(void)
113 {
114 #ifdef CONFIG_SYS_DPAA_PME
115 	ccsr_pme_t *pme = (void *)CONFIG_SYS_FSL_CORENET_PME_ADDR;
116 	u32 base = (liodn_bases[FSL_HW_PORTAL_PME].id[0] << 16) |
117 			liodn_bases[FSL_HW_PORTAL_PME].id[1];
118 
119 	out_be32(&pme->liodnbr, base);
120 #endif
121 }
122 
123 void set_liodns(void)
124 {
125 	/* setup general liodn offsets */
126 	set_liodn(liodn_tbl, liodn_tbl_sz);
127 
128 	/* setup SEC block liodn bases & offsets if we have one */
129 	if (IS_E_PROCESSOR(get_svr())) {
130 		set_liodn(sec_liodn_tbl, sec_liodn_tbl_sz);
131 		setup_sec_liodn_base();
132 	}
133 
134 	/* setup FMAN block(s) liodn bases & offsets if we have one */
135 #ifdef CONFIG_SYS_DPAA_FMAN
136 	set_liodn(fman1_liodn_tbl, fman1_liodn_tbl_sz);
137 	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN1, fman1_liodn_tbl,
138 				fman1_liodn_tbl_sz);
139 
140 #if (CONFIG_SYS_NUM_FMAN == 2)
141 	set_liodn(fman2_liodn_tbl, fman2_liodn_tbl_sz);
142 	setup_fman_liodn_base(FSL_HW_PORTAL_FMAN2, fman2_liodn_tbl,
143 				fman2_liodn_tbl_sz);
144 #endif
145 #endif
146 	/* setup PME liodn base */
147 	setup_pme_liodn_base();
148 }
149 
150 static void fdt_fixup_liodn_tbl(void *blob, struct liodn_id_table *tbl, int sz)
151 {
152 	int i;
153 
154 	for (i = 0; i < sz; i++) {
155 		int off;
156 
157 		if (tbl[i].compat == NULL)
158 			continue;
159 
160 		off = fdt_node_offset_by_compat_reg(blob,
161 				tbl[i].compat, tbl[i].compat_offset);
162 		if (off >= 0) {
163 			off = fdt_setprop(blob, off, "fsl,liodn",
164 				&tbl[i].id[0],
165 				sizeof(u32) * tbl[i].num_ids);
166 			if (off > 0)
167 				printf("WARNING unable to set fsl,liodn for "
168 					"%s: %s\n",
169 					tbl[i].compat, fdt_strerror(off));
170 		} else {
171 			debug("WARNING: could not set fsl,liodn for %s: %s.\n",
172 					tbl[i].compat, fdt_strerror(off));
173 		}
174 	}
175 }
176 
177 void fdt_fixup_liodn(void *blob)
178 {
179 	fdt_fixup_liodn_tbl(blob, liodn_tbl, liodn_tbl_sz);
180 #ifdef CONFIG_SYS_DPAA_FMAN
181 	fdt_fixup_liodn_tbl(blob, fman1_liodn_tbl, fman1_liodn_tbl_sz);
182 #if (CONFIG_SYS_NUM_FMAN == 2)
183 	fdt_fixup_liodn_tbl(blob, fman2_liodn_tbl, fman2_liodn_tbl_sz);
184 #endif
185 #endif
186 	fdt_fixup_liodn_tbl(blob, sec_liodn_tbl, sec_liodn_tbl_sz);
187 }
188