1 /* 2 * libqos driver framework 3 * 4 * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License version 2 as published by the Free Software Foundation. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, see <http://www.gnu.org/licenses/> 17 */ 18 19 #include "qemu/osdep.h" 20 #include "libqtest.h" 21 #include "libqos/malloc.h" 22 #include "libqos/qgraph.h" 23 #include "sdhci.h" 24 25 typedef struct QXilinxZynqA9Machine QXilinxZynqA9Machine; 26 27 struct QXilinxZynqA9Machine { 28 QOSGraphObject obj; 29 QGuestAllocator alloc; 30 QSDHCI_MemoryMapped sdhci; 31 }; 32 33 #define ARM_PAGE_SIZE 4096 34 #define XILINX_ZYNQ_A9_RAM_ADDR 0 35 #define XILINX_ZYNQ_A9_RAM_SIZE 0x20000000 36 37 static void *xilinx_zynq_a9_get_driver(void *object, const char *interface) 38 { 39 QXilinxZynqA9Machine *machine = object; 40 if (!g_strcmp0(interface, "memory")) { 41 return &machine->alloc; 42 } 43 44 fprintf(stderr, "%s not present in arm/xilinx-zynq-a9\n", interface); 45 g_assert_not_reached(); 46 } 47 48 static QOSGraphObject *xilinx_zynq_a9_get_device(void *obj, const char *device) 49 { 50 QXilinxZynqA9Machine *machine = obj; 51 if (!g_strcmp0(device, "generic-sdhci")) { 52 return &machine->sdhci.obj; 53 } 54 55 fprintf(stderr, "%s not present in arm/xilinx-zynq-a9\n", device); 56 g_assert_not_reached(); 57 } 58 59 static void xilinx_zynq_a9_destructor(QOSGraphObject *obj) 60 { 61 QXilinxZynqA9Machine *machine = (QXilinxZynqA9Machine *) obj; 62 alloc_destroy(&machine->alloc); 63 } 64 65 static void *qos_create_machine_arm_xilinx_zynq_a9(QTestState *qts) 66 { 67 QXilinxZynqA9Machine *machine = g_new0(QXilinxZynqA9Machine, 1); 68 69 alloc_init(&machine->alloc, 0, 70 XILINX_ZYNQ_A9_RAM_ADDR + (1 << 20), 71 XILINX_ZYNQ_A9_RAM_ADDR + XILINX_ZYNQ_A9_RAM_SIZE, 72 ARM_PAGE_SIZE); 73 74 machine->obj.get_device = xilinx_zynq_a9_get_device; 75 machine->obj.get_driver = xilinx_zynq_a9_get_driver; 76 machine->obj.destructor = xilinx_zynq_a9_destructor; 77 /* Datasheet: UG585 (v1.12.1) */ 78 qos_init_sdhci_mm(&machine->sdhci, qts, 0xe0100000, &(QSDHCIProperties) { 79 .version = 2, 80 .baseclock = 0, 81 .capab.sdma = true, 82 .capab.reg = 0x69ec0080, 83 }); 84 return &machine->obj; 85 } 86 87 static void xilinx_zynq_a9_register_nodes(void) 88 { 89 qos_node_create_machine("arm/xilinx-zynq-a9", 90 qos_create_machine_arm_xilinx_zynq_a9); 91 qos_node_contains("arm/xilinx-zynq-a9", "generic-sdhci", NULL); 92 } 93 94 libqos_init(xilinx_zynq_a9_register_nodes); 95