| 1 | /*
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| 2 | * Copyright (c) 2013 Jakub Klama
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup sparc32boot
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * @brief Definitions of structures and addresses of AMBA Plug&Play interface
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| 34 | */
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| 35 |
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| 36 | #ifndef BOOT_sparc32_AMBAPP_H
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| 37 | #define BOOT_sparc32_AMBAPP_H
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| 38 |
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| 39 | #define AMBAPP_MAX_DEVICES 64
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| 40 | #define AMBAPP_AHBMASTER_AREA 0xfffff000
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| 41 | #define AMBAPP_AHBSLAVE_AREA 0xfffff800
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| 42 | #define AMBAPP_CONF_AREA 0xff000
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| 43 |
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| 44 | typedef enum {
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| 45 | GAISLER = 1,
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| 46 | ESA = 4
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| 47 | } amba_vendor_id_t;
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| 48 |
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| 49 | typedef enum {
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| 50 | GAISLER_LEON3 = 0x003,
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| 51 | GAISLER_LEON3DSU = 0x004,
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| 52 | GAISLER_ETHAHB = 0x005,
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| 53 | GAISLER_APBMST = 0x006,
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| 54 | GAISLER_AHBUART = 0x007,
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| 55 | GAISLER_SRCTRL = 0x008,
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| 56 | GAISLER_SDCTRL = 0x009,
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| 57 | GAISLER_APBUART = 0x00C,
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| 58 | GAISLER_IRQMP = 0x00D,
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| 59 | GAISLER_AHBRAM = 0x00E,
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| 60 | GAISLER_GPTIMER = 0x011,
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| 61 | GAISLER_PCITRG = 0x012,
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| 62 | GAISLER_PCISBRG = 0x013,
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| 63 | GAISLER_PCIFBRG = 0x014,
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| 64 | GAISLER_PCITRACE = 0x015,
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| 65 | GAISLER_PCIDMA = 0x016,
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| 66 | GAISLER_AHBTRACE = 0x017,
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| 67 | GAISLER_ETHDSU = 0x018,
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| 68 | GAISLER_PIOPORT = 0x01A,
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| 69 | GAISLER_AHBJTAG = 0x01c,
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| 70 | GAISLER_SPW = 0x01f,
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| 71 | GAISLER_ATACTRL = 0x024,
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| 72 | GAISLER_VGA = 0x061,
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| 73 | GAISLER_KBD = 0x060,
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| 74 | GAISLER_ETHMAC = 0x01D,
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| 75 | GAISLER_DDRSPA = 0x025,
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| 76 | GAISLER_EHCI = 0x026,
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| 77 | GAISLER_UHCI = 0x027,
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| 78 | GAISLER_SPW2 = 0x029,
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| 79 | GAISLER_DDR2SPA = 0x02E,
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| 80 | GAISLER_AHBSTAT = 0x052,
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| 81 | GAISLER_FTMCTRL = 0x054,
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| 82 | ESA_MCTRL = 0x00F,
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| 83 | } amba_device_id_t;
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| 84 |
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| 85 | typedef struct {
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| 86 | /* Primary serial port location */
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| 87 | uintptr_t uart_base;
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| 88 | size_t uart_size;
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| 89 | int uart_irq;
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| 90 | /* Timers location */
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| 91 | uintptr_t timer_base;
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| 92 | size_t timer_size;
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| 93 | int timer_irq;
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| 94 | } amba_info_t;
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| 95 |
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| 96 | typedef struct {
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| 97 | amba_vendor_id_t vendor_id;
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| 98 | amba_device_id_t device_id;
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| 99 | int irq;
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| 100 | int version;
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| 101 | uint32_t args[3];
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| 102 | struct {
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| 103 | uintptr_t start;
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| 104 | uintptr_t size;
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| 105 | bool prefetchable;
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| 106 | bool cacheable;
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| 107 | } bars[4];
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| 108 | } amba_device_t;
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| 109 |
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| 110 | typedef struct {
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| 111 | unsigned int addr: 12;
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| 112 | unsigned int reserved: 2;
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| 113 | unsigned int prefetchable: 1;
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| 114 | unsigned int cacheable: 1;
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| 115 | unsigned int mask: 12;
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| 116 | unsigned int type: 4;
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| 117 | } __attribute__((packed)) ambapp_bar_t;
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| 118 |
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| 119 | typedef struct {
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| 120 | unsigned int vendor_id: 8;
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| 121 | unsigned int device_id: 24;
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| 122 | unsigned int reserved: 2;
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| 123 | unsigned int version: 5;
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| 124 | unsigned int irq: 5;
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| 125 | uint32_t user_defined[3];
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| 126 | ambapp_bar_t bar[4];
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| 127 | } __attribute__((packed)) ambapp_entry_t;
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| 128 |
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| 129 | amba_device_t amba_devices[AMBAPP_MAX_DEVICES];
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| 130 | int amba_devices_found;
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| 131 | uintptr_t amba_uart_base;
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| 132 |
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| 133 | void ambapp_scan(void);
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| 134 | void ambapp_qemu_fake_scan(void);
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| 135 | void ambapp_print_devices(void);
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| 136 | amba_device_t *ambapp_lookup_first(amba_vendor_id_t, amba_device_id_t);
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| 137 |
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| 138 | #endif
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| 139 |
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| 140 | /** @}
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| 141 | */
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