dev-uart.c (84abd88a70090cf00f9e45c3a81680874f17626e) dev-uart.c (524ef29cff593ab6635cda2a17b331bede58a396)
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
7 */
8
9#include <linux/init.h>
10#include <linux/kernel.h>
11#include <linux/platform_device.h>
12#include <bcm63xx_cpu.h>
13
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
7 */
8
9#include <linux/init.h>
10#include <linux/kernel.h>
11#include <linux/platform_device.h>
12#include <bcm63xx_cpu.h>
13
14static struct resource uart_resources[] = {
14static struct resource uart0_resources[] = {
15 {
15 {
16 .start = -1, /* filled at runtime */
17 .end = -1, /* filled at runtime */
16 /* start & end filled at runtime */
18 .flags = IORESOURCE_MEM,
19 },
20 {
17 .flags = IORESOURCE_MEM,
18 },
19 {
21 .start = -1, /* filled at runtime */
20 /* start filled at runtime */
22 .flags = IORESOURCE_IRQ,
23 },
24};
25
21 .flags = IORESOURCE_IRQ,
22 },
23};
24
26static struct platform_device bcm63xx_uart_device = {
27 .name = "bcm63xx_uart",
28 .id = 0,
29 .num_resources = ARRAY_SIZE(uart_resources),
30 .resource = uart_resources,
25static struct resource uart1_resources[] = {
26 {
27 /* start & end filled at runtime */
28 .flags = IORESOURCE_MEM,
29 },
30 {
31 /* start filled at runtime */
32 .flags = IORESOURCE_IRQ,
33 },
31};
32
34};
35
33int __init bcm63xx_uart_register(void)
36static struct platform_device bcm63xx_uart_devices[] = {
37 {
38 .name = "bcm63xx_uart",
39 .id = 0,
40 .num_resources = ARRAY_SIZE(uart0_resources),
41 .resource = uart0_resources,
42 },
43
44 {
45 .name = "bcm63xx_uart",
46 .id = 1,
47 .num_resources = ARRAY_SIZE(uart1_resources),
48 .resource = uart1_resources,
49 }
50};
51
52int __init bcm63xx_uart_register(unsigned int id)
34{
53{
35 uart_resources[0].start = bcm63xx_regset_address(RSET_UART0);
36 uart_resources[0].end = uart_resources[0].start;
37 uart_resources[0].end += RSET_UART_SIZE - 1;
38 uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
39 return platform_device_register(&bcm63xx_uart_device);
54 if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
55 return -ENODEV;
56
57 if (id == 1 && !BCMCPU_IS_6358())
58 return -ENODEV;
59
60 if (id == 0) {
61 uart0_resources[0].start = bcm63xx_regset_address(RSET_UART0);
62 uart0_resources[0].end = uart0_resources[0].start +
63 RSET_UART_SIZE - 1;
64 uart0_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
65 }
66
67 if (id == 1) {
68 uart1_resources[0].start = bcm63xx_regset_address(RSET_UART1);
69 uart1_resources[0].end = uart1_resources[0].start +
70 RSET_UART_SIZE - 1;
71 uart1_resources[1].start = bcm63xx_get_irq_number(IRQ_UART1);
72 }
73
74 return platform_device_register(&bcm63xx_uart_devices[id]);
40}
75}
41arch_initcall(bcm63xx_uart_register);