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 #include <bcm63xx_dev_uart.h>
14
15 static struct resource uart0_resources[] = {
16 {
17 /* start & end filled at runtime */
18 .flags = IORESOURCE_MEM,
19 },
20 {
21 /* start filled at runtime */
22 .flags = IORESOURCE_IRQ,
23 },
24 };
25
26 static struct resource uart1_resources[] = {
27 {
28 /* start & end filled at runtime */
29 .flags = IORESOURCE_MEM,
30 },
31 {
32 /* start filled at runtime */
33 .flags = IORESOURCE_IRQ,
34 },
35 };
36
37 static struct platform_device bcm63xx_uart_devices[] = {
38 {
39 .name = "bcm63xx_uart",
40 .id = 0,
41 .num_resources = ARRAY_SIZE(uart0_resources),
42 .resource = uart0_resources,
43 },
44
45 {
46 .name = "bcm63xx_uart",
47 .id = 1,
48 .num_resources = ARRAY_SIZE(uart1_resources),
49 .resource = uart1_resources,
50 }
51 };
52
53 int __init bcm63xx_uart_register(unsigned int id)
54 {
55 if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
56 return -ENODEV;
57
58 if (id == 1 && (!BCMCPU_IS_3368() && !BCMCPU_IS_6358() &&
59 !BCMCPU_IS_6368()))
60 return -ENODEV;
61
62 if (id == 0) {
63 uart0_resources[0].start = bcm63xx_regset_address(RSET_UART0);
64 uart0_resources[0].end = uart0_resources[0].start +
65 RSET_UART_SIZE - 1;
66 uart0_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
67 }
68
69 if (id == 1) {
70 uart1_resources[0].start = bcm63xx_regset_address(RSET_UART1);
71 uart1_resources[0].end = uart1_resources[0].start +
72 RSET_UART_SIZE - 1;
73 uart1_resources[1].start = bcm63xx_get_irq_number(IRQ_UART1);
74 }
75
76 return platform_device_register(&bcm63xx_uart_devices[id]);
77 }
78
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