1 /*
2 * Copyright (c) 2014, Mentor Graphics Corporation
3 * All rights reserved.
4 * Copyright (c) 2015 Xilinx, Inc.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 * 3. Neither the name of Mentor Graphics Corporation nor the names of its
15 * contributors may be used to endorse or promote products derived from this
16 * software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
31 /**************************************************************************
32 * FILE NAME
33 *
34 * platform_info.c
35 *
36 * DESCRIPTION
37 *
38 * This file implements APIs to get platform specific
39 * information for OpenAMP.
40 *
41 **************************************************************************/
43 #include "openamp/hil.h"
44 #include "metal/atomic.h"
45 #include "platform_info.h"
47 #define IPI_BASE_ADDR 0xFF310000 /* IPI base address */
48 #define IPI_CHN_BITMASK 0x01000000 /* IPI channel bit mask APU<->RPU0 */
50 #define APU_CPU_ID 0
52 /* -- FIX ME: ipi info is to be defined -- */
53 struct ipi_info {
54 const char *name;
55 const char *bus_name;
56 struct meta_device *dev;
57 struct metal_io_region *io;
58 metal_phys_addr_t paddr;
59 uint32_t ipi_chn_mask;
60 int registered;
61 atomic_int sync;
62 };
64 extern struct hil_platform_ops zynqmp_r5_a53_proc_ops;
66 static struct ipi_info chn_ipi_info[] = {
67 {NULL, NULL, NULL, NULL, IPI_BASE_ADDR, IPI_CHN_BITMASK, 0, 0},
68 };
70 const struct firmware_info fw_table[] =
71 {
72 {"unknown",
73 0,
74 0}
75 };
77 const int fw_table_size = sizeof(fw_table)/sizeof(struct firmware_info);
79 struct hil_proc *platform_create_proc(int proc_index)
80 {
81 (void) proc_index;
82 struct hil_proc *proc;
83 proc = hil_create_proc(&zynqmp_r5_a53_proc_ops, APU_CPU_ID, NULL);
84 if (!proc)
85 return NULL;
87 /* Setup IPI info */
88 hil_set_vdev_ipi(proc, 0,
89 IPI_IRQ_VECT_ID, (void *)&chn_ipi_info[0]);
90 hil_set_vring_ipi(proc, 0,
91 IPI_IRQ_VECT_ID, (void *)&chn_ipi_info[0]);
92 hil_set_vring_ipi(proc, 1,
93 IPI_IRQ_VECT_ID, (void *)&chn_ipi_info[1]);
95 hil_set_rpmsg_channel(proc, 0, RPMSG_CHAN_NAME);
96 return proc;
97 }