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Kumar Gala8975d7a2010-12-30 12:09:53 -06001/*
2 * Copyright 2011 Freescale Semiconductor, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the Free
6 * Software Foundation; either version 2 of the License, or (at your option)
7 * any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17 * MA 02111-1307 USA
18 */
19
20#include <common.h>
21#include <config.h>
22#include <asm/fsl_law.h>
23#include <asm/fsl_serdes.h>
Liu Gang4cc85322012-03-08 00:33:17 +000024#include <asm/fsl_srio.h>
25
26#define SRIO_PORT_ACCEPT_ALL 0x10000001
27#define SRIO_IB_ATMU_AR 0x80f55000
Liu Gangf420aa92012-03-08 00:33:21 +000028#define SRIO_OB_ATMU_AR_MAINT 0x80077000
29#define SRIO_OB_ATMU_AR_RW 0x80045000
30#define SRIO_LCSBA1CSR_OFFSET 0x5c
31#define SRIO_MAINT_WIN_SIZE 0x1000000 /* 16M */
32#define SRIO_RW_WIN_SIZE 0x100000 /* 1M */
33#define SRIO_LCSBA1CSR 0x60000000
Kumar Gala8975d7a2010-12-30 12:09:53 -060034
35#if defined(CONFIG_FSL_CORENET)
36 #define _DEVDISR_SRIO1 FSL_CORENET_DEVDISR_SRIO1
37 #define _DEVDISR_SRIO2 FSL_CORENET_DEVDISR_SRIO2
38 #define _DEVDISR_RMU FSL_CORENET_DEVDISR_RMU
39 #define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR
40#elif defined(CONFIG_MPC85xx)
41 #define _DEVDISR_SRIO1 MPC85xx_DEVDISR_SRIO
42 #define _DEVDISR_SRIO2 MPC85xx_DEVDISR_SRIO
43 #define _DEVDISR_RMU MPC85xx_DEVDISR_RMSG
44 #define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR
45#elif defined(CONFIG_MPC86xx)
46 #define _DEVDISR_SRIO1 MPC86xx_DEVDISR_SRIO
47 #define _DEVDISR_SRIO2 MPC86xx_DEVDISR_SRIO
48 #define _DEVDISR_RMU MPC86xx_DEVDISR_RMSG
49 #define CONFIG_SYS_MPC8xxx_GUTS_ADDR \
50 (&((immap_t *)CONFIG_SYS_IMMR)->im_gur)
51#else
52#error "No defines for DEVDISR_SRIO"
53#endif
54
55void srio_init(void)
56{
57 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC8xxx_GUTS_ADDR;
58 int srio1_used = 0, srio2_used = 0;
59
60 if (is_serdes_configured(SRIO1)) {
61 set_next_law(CONFIG_SYS_SRIO1_MEM_PHYS,
62 law_size_bits(CONFIG_SYS_SRIO1_MEM_SIZE),
63 LAW_TRGT_IF_RIO_1);
64 srio1_used = 1;
65 printf("SRIO1: enabled\n");
66 } else {
67 printf("SRIO1: disabled\n");
68 }
69
70#ifdef CONFIG_SRIO2
71 if (is_serdes_configured(SRIO2)) {
72 set_next_law(CONFIG_SYS_SRIO2_MEM_PHYS,
73 law_size_bits(CONFIG_SYS_SRIO2_MEM_SIZE),
74 LAW_TRGT_IF_RIO_2);
75 srio2_used = 1;
76 printf("SRIO2: enabled\n");
77 } else {
78 printf("SRIO2: disabled\n");
79 }
80#endif
81
82#ifdef CONFIG_FSL_CORENET
83 /* On FSL_CORENET devices we can disable individual ports */
84 if (!srio1_used)
85 setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO1);
86 if (!srio2_used)
87 setbits_be32(&gur->devdisr, FSL_CORENET_DEVDISR_SRIO2);
88#endif
89
90 /* neither port is used - disable everything */
91 if (!srio1_used && !srio2_used) {
92 setbits_be32(&gur->devdisr, _DEVDISR_SRIO1);
93 setbits_be32(&gur->devdisr, _DEVDISR_SRIO2);
94 setbits_be32(&gur->devdisr, _DEVDISR_RMU);
95 }
96}
Liu Gang4cc85322012-03-08 00:33:17 +000097
98#ifdef CONFIG_SRIOBOOT_MASTER
99void srio_boot_master(void)
100{
101 struct ccsr_rio *srio = (void *)CONFIG_SYS_FSL_SRIO_ADDR;
102
103 /* set port accept-all */
104 out_be32((void *)&srio->impl.port[CONFIG_SRIOBOOT_MASTER_PORT].ptaacr,
105 SRIO_PORT_ACCEPT_ALL);
106
107 debug("SRIOBOOT - MASTER: Master port [ %d ] for srio boot.\n",
108 CONFIG_SRIOBOOT_MASTER_PORT);
Liu Gang58f030c2012-03-08 00:33:19 +0000109 /* configure inbound window for slave's u-boot image */
110 debug("SRIOBOOT - MASTER: Inbound window for slave's image; "
Liu Gang4cc85322012-03-08 00:33:17 +0000111 "Local = 0x%llx, Srio = 0x%llx, Size = 0x%x\n",
112 (u64)CONFIG_SRIOBOOT_SLAVE_IMAGE_LAW_PHYS1,
113 (u64)CONFIG_SRIOBOOT_SLAVE_IMAGE_SRIO_PHYS1,
114 CONFIG_SRIOBOOT_SLAVE_IMAGE_SIZE);
115 out_be32((void *)&srio->atmu
116 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[0].riwtar,
117 CONFIG_SRIOBOOT_SLAVE_IMAGE_LAW_PHYS1 >> 12);
118 out_be32((void *)&srio->atmu
119 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[0].riwbar,
120 CONFIG_SRIOBOOT_SLAVE_IMAGE_SRIO_PHYS1 >> 12);
121 out_be32((void *)&srio->atmu
122 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[0].riwar,
123 SRIO_IB_ATMU_AR
124 | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_IMAGE_SIZE));
125
Liu Gang58f030c2012-03-08 00:33:19 +0000126 /* configure inbound window for slave's u-boot image */
127 debug("SRIOBOOT - MASTER: Inbound window for slave's image; "
Liu Gang4cc85322012-03-08 00:33:17 +0000128 "Local = 0x%llx, Srio = 0x%llx, Size = 0x%x\n",
129 (u64)CONFIG_SRIOBOOT_SLAVE_IMAGE_LAW_PHYS2,
130 (u64)CONFIG_SRIOBOOT_SLAVE_IMAGE_SRIO_PHYS2,
131 CONFIG_SRIOBOOT_SLAVE_IMAGE_SIZE);
132 out_be32((void *)&srio->atmu
133 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[1].riwtar,
134 CONFIG_SRIOBOOT_SLAVE_IMAGE_LAW_PHYS2 >> 12);
135 out_be32((void *)&srio->atmu
136 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[1].riwbar,
137 CONFIG_SRIOBOOT_SLAVE_IMAGE_SRIO_PHYS2 >> 12);
138 out_be32((void *)&srio->atmu
139 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[1].riwar,
140 SRIO_IB_ATMU_AR
141 | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_IMAGE_SIZE));
Liu Gang58f030c2012-03-08 00:33:19 +0000142
143 /* configure inbound window for slave's ucode */
144 debug("SRIOBOOT - MASTER: Inbound window for slave's ucode; "
145 "Local = 0x%llx, Srio = 0x%llx, Size = 0x%x\n",
146 (u64)CONFIG_SRIOBOOT_SLAVE_UCODE_LAW_PHYS,
147 (u64)CONFIG_SRIOBOOT_SLAVE_UCODE_SRIO_PHYS,
148 CONFIG_SRIOBOOT_SLAVE_UCODE_SIZE);
149 out_be32((void *)&srio->atmu
150 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[2].riwtar,
151 CONFIG_SRIOBOOT_SLAVE_UCODE_LAW_PHYS >> 12);
152 out_be32((void *)&srio->atmu
153 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[2].riwbar,
154 CONFIG_SRIOBOOT_SLAVE_UCODE_SRIO_PHYS >> 12);
155 out_be32((void *)&srio->atmu
156 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[2].riwar,
157 SRIO_IB_ATMU_AR
158 | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_UCODE_SIZE));
Liu Gang85bcd732012-03-08 00:33:20 +0000159
160 /* configure inbound window for slave's ENV */
161 debug("SRIOBOOT - MASTER: Inbound window for slave's ENV; "
162 "Local = 0x%llx, Siro = 0x%llx, Size = 0x%x\n",
163 CONFIG_SRIOBOOT_SLAVE_ENV_LAW_PHYS,
164 CONFIG_SRIOBOOT_SLAVE_ENV_SRIO_PHYS,
165 CONFIG_SRIOBOOT_SLAVE_ENV_SIZE);
166 out_be32((void *)&srio->atmu
167 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[3].riwtar,
168 CONFIG_SRIOBOOT_SLAVE_ENV_LAW_PHYS >> 12);
169 out_be32((void *)&srio->atmu
170 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[3].riwbar,
171 CONFIG_SRIOBOOT_SLAVE_ENV_SRIO_PHYS >> 12);
172 out_be32((void *)&srio->atmu
173 .port[CONFIG_SRIOBOOT_MASTER_PORT].inbw[3].riwar,
174 SRIO_IB_ATMU_AR
175 | atmu_size_mask(CONFIG_SRIOBOOT_SLAVE_ENV_SIZE));
Liu Gang4cc85322012-03-08 00:33:17 +0000176}
Liu Gangf420aa92012-03-08 00:33:21 +0000177
178#ifdef CONFIG_SRIOBOOT_SLAVE_HOLDOFF
179void srio_boot_master_release_slave(void)
180{
181 struct ccsr_rio *srio = (void *)CONFIG_SYS_FSL_SRIO_ADDR;
182 u32 escsr;
183 debug("SRIOBOOT - MASTER: "
184 "Check the port status and release slave core ...\n");
185
186 escsr = in_be32((void *)&srio->lp_serial
187 .port[CONFIG_SRIOBOOT_MASTER_PORT].pescsr);
188 if (escsr & 0x2) {
189 if (escsr & 0x10100) {
190 debug("SRIOBOOT - MASTER: Port [ %d ] is error.\n",
191 CONFIG_SRIOBOOT_MASTER_PORT);
192 } else {
193 debug("SRIOBOOT - MASTER: "
194 "Port [ %d ] is ready, now release slave's core ...\n",
195 CONFIG_SRIOBOOT_MASTER_PORT);
196 /*
197 * configure outbound window
198 * with maintenance attribute to set slave's LCSBA1CSR
199 */
200 out_be32((void *)&srio->atmu
201 .port[CONFIG_SRIOBOOT_MASTER_PORT]
202 .outbw[1].rowtar, 0);
203 out_be32((void *)&srio->atmu
204 .port[CONFIG_SRIOBOOT_MASTER_PORT]
205 .outbw[1].rowtear, 0);
206 if (CONFIG_SRIOBOOT_MASTER_PORT)
207 out_be32((void *)&srio->atmu
208 .port[CONFIG_SRIOBOOT_MASTER_PORT]
209 .outbw[1].rowbar,
210 CONFIG_SYS_SRIO2_MEM_PHYS >> 12);
211 else
212 out_be32((void *)&srio->atmu
213 .port[CONFIG_SRIOBOOT_MASTER_PORT]
214 .outbw[1].rowbar,
215 CONFIG_SYS_SRIO1_MEM_PHYS >> 12);
216 out_be32((void *)&srio->atmu
217 .port[CONFIG_SRIOBOOT_MASTER_PORT]
218 .outbw[1].rowar,
219 SRIO_OB_ATMU_AR_MAINT
220 | atmu_size_mask(SRIO_MAINT_WIN_SIZE));
221
222 /*
223 * configure outbound window
224 * with R/W attribute to set slave's BRR
225 */
226 out_be32((void *)&srio->atmu
227 .port[CONFIG_SRIOBOOT_MASTER_PORT]
228 .outbw[2].rowtar,
229 SRIO_LCSBA1CSR >> 9);
230 out_be32((void *)&srio->atmu
231 .port[CONFIG_SRIOBOOT_MASTER_PORT]
232 .outbw[2].rowtear, 0);
233 if (CONFIG_SRIOBOOT_MASTER_PORT)
234 out_be32((void *)&srio->atmu
235 .port[CONFIG_SRIOBOOT_MASTER_PORT]
236 .outbw[2].rowbar,
237 (CONFIG_SYS_SRIO2_MEM_PHYS
238 + SRIO_MAINT_WIN_SIZE) >> 12);
239 else
240 out_be32((void *)&srio->atmu
241 .port[CONFIG_SRIOBOOT_MASTER_PORT]
242 .outbw[2].rowbar,
243 (CONFIG_SYS_SRIO1_MEM_PHYS
244 + SRIO_MAINT_WIN_SIZE) >> 12);
245 out_be32((void *)&srio->atmu
246 .port[CONFIG_SRIOBOOT_MASTER_PORT]
247 .outbw[2].rowar,
248 SRIO_OB_ATMU_AR_RW
249 | atmu_size_mask(SRIO_RW_WIN_SIZE));
250
251 /*
252 * Set the LCSBA1CSR register in slave
253 * by the maint-outbound window
254 */
255 if (CONFIG_SRIOBOOT_MASTER_PORT) {
256 out_be32((void *)CONFIG_SYS_SRIO2_MEM_VIRT
257 + SRIO_LCSBA1CSR_OFFSET,
258 SRIO_LCSBA1CSR);
259 while (in_be32((void *)CONFIG_SYS_SRIO2_MEM_VIRT
260 + SRIO_LCSBA1CSR_OFFSET)
261 != SRIO_LCSBA1CSR)
262 ;
263 /*
264 * And then set the BRR register
265 * to release slave core
266 */
267 out_be32((void *)CONFIG_SYS_SRIO2_MEM_VIRT
268 + SRIO_MAINT_WIN_SIZE
269 + CONFIG_SRIOBOOT_SLAVE_BRR_OFFSET,
270 CONFIG_SRIOBOOT_SLAVE_RELEASE_MASK);
271 } else {
272 out_be32((void *)CONFIG_SYS_SRIO1_MEM_VIRT
273 + SRIO_LCSBA1CSR_OFFSET,
274 SRIO_LCSBA1CSR);
275 while (in_be32((void *)CONFIG_SYS_SRIO1_MEM_VIRT
276 + SRIO_LCSBA1CSR_OFFSET)
277 != SRIO_LCSBA1CSR)
278 ;
279 /*
280 * And then set the BRR register
281 * to release slave core
282 */
283 out_be32((void *)CONFIG_SYS_SRIO1_MEM_VIRT
284 + SRIO_MAINT_WIN_SIZE
285 + CONFIG_SRIOBOOT_SLAVE_BRR_OFFSET,
286 CONFIG_SRIOBOOT_SLAVE_RELEASE_MASK);
287 }
288 debug("SRIOBOOT - MASTER: "
289 "Release slave successfully! Now the slave should start up!\n");
290 }
291 } else
292 debug("SRIOBOOT - MASTER: Port [ %d ] is not ready.\n",
293 CONFIG_SRIOBOOT_MASTER_PORT);
294}
295#endif
Liu Gang4cc85322012-03-08 00:33:17 +0000296#endif