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
14 static struct resource uart0_resources[] = {
15 {
16 /* start & end filled at runtime */
17 .flags = IORESOURCE_MEM,
18 },
19 {
20 /* start filled at runtime */
21 .flags = IORESOURCE_IRQ,
22 },
23 };
24
25 static 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 },
34 };
35
36 static 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
bcm63xx_uart_register(unsigned int id)52 int __init bcm63xx_uart_register(unsigned int id)
53 {
54 if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
55 return -ENODEV;
56
57 if (id == 1 && (!BCMCPU_IS_3368() && !BCMCPU_IS_6358() &&
58 !BCMCPU_IS_6368()))
59 return -ENODEV;
60
61 if (id == 0) {
62 uart0_resources[0].start = bcm63xx_regset_address(RSET_UART0);
63 uart0_resources[0].end = uart0_resources[0].start +
64 RSET_UART_SIZE - 1;
65 uart0_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
66 }
67
68 if (id == 1) {
69 uart1_resources[0].start = bcm63xx_regset_address(RSET_UART1);
70 uart1_resources[0].end = uart1_resources[0].start +
71 RSET_UART_SIZE - 1;
72 uart1_resources[1].start = bcm63xx_get_irq_number(IRQ_UART1);
73 }
74
75 return platform_device_register(&bcm63xx_uart_devices[id]);
76 }
77