1/*
2 * Copyright 2017, Data61
3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO)
4 * ABN 41 687 119 230.
5 *
6 * This software may be distributed and modified according to the terms of
7 * the BSD 2-Clause license. Note that NO WARRANTY is provided.
8 * See "LICENSE_BSD2.txt" for details.
9 *
10 * @TAG(DATA61_BSD)
11 */
12
13/**
14 * Contains the definition for all character devices on this platform.
15 * Currently this is just a simple patch.
16 */
17
18#include "../../chardev.h"
19#include "../../common.h"
20#include <utils/util.h>
21
22static const int uartA_irqs[] = {UARTA_IRQ, -1};
23static const int uartB_irqs[] = {UARTB_IRQ, -1};
24static const int uartC_irqs[] = {UARTC_IRQ, -1};
25static const int uartD_irqs[] = {UARTD_IRQ, -1};
26static const int uartA_ASYNC_irqs[] = {UARTA_IRQ, -1};
27static const int uartB_ASYNC_irqs[] = {UARTB_IRQ, -1};
28static const int uartC_ASYNC_irqs[] = {UARTC_IRQ, -1};
29static const int uartD_ASYNC_irqs[] = {UARTD_IRQ, -1};
30
31#define UART_DEFN(devid) {          \
32    .id      = NV_UART##devid,    \
33    .paddr   = UART##devid##_PADDR, \
34    .size    = BIT(12),             \
35    .irqs    = uart##devid##_irqs,  \
36    .init_fn = &uart_init           \
37}
38
39#define UART_ASYNC_DEFN(devid) {          \
40    .id      = NV_UART##devid##_ASYNC,    \
41    .paddr   = UART##devid##_PADDR, \
42    .size    = BIT(12),             \
43    .irqs    = uart##devid##_ASYNC_irqs,  \
44    .init_fn = &uart_init           \
45}
46
47static const struct dev_defn dev_defn[] = {
48    UART_DEFN(A),
49    UART_DEFN(B),
50    UART_DEFN(C),
51    UART_DEFN(D),
52    UART_ASYNC_DEFN(A),
53    UART_ASYNC_DEFN(B),
54    UART_ASYNC_DEFN(C),
55    UART_ASYNC_DEFN(D)
56};
57
58struct ps_chardevice*
59ps_cdev_init(enum chardev_id id, const ps_io_ops_t* o, struct ps_chardevice* d) {
60    unsigned int i;
61    for (i = 0; i < ARRAY_SIZE(dev_defn); i++) {
62        if (dev_defn[i].id == id) {
63            return (dev_defn[i].init_fn(dev_defn + i, o, d)) ? NULL : d;
64        }
65    }
66    return NULL;
67}
68