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Diffstat (limited to 'arch/mips/bcm63xx/dev-uart.c')
-rw-r--r--arch/mips/bcm63xx/dev-uart.c66
1 files changed, 50 insertions, 16 deletions
diff --git a/arch/mips/bcm63xx/dev-uart.c b/arch/mips/bcm63xx/dev-uart.c
index b0519461ad9b..c2963da0253e 100644
--- a/arch/mips/bcm63xx/dev-uart.c
+++ b/arch/mips/bcm63xx/dev-uart.c
@@ -11,31 +11,65 @@
11#include <linux/platform_device.h> 11#include <linux/platform_device.h>
12#include <bcm63xx_cpu.h> 12#include <bcm63xx_cpu.h>
13 13
14static struct resource uart_resources[] = { 14static struct resource uart0_resources[] = {
15 { 15 {
16 .start = -1, /* filled at runtime */ 16 /* start & end filled at runtime */
17 .end = -1, /* filled at runtime */
18 .flags = IORESOURCE_MEM, 17 .flags = IORESOURCE_MEM,
19 }, 18 },
20 { 19 {
21 .start = -1, /* filled at runtime */ 20 /* start filled at runtime */
22 .flags = IORESOURCE_IRQ, 21 .flags = IORESOURCE_IRQ,
23 }, 22 },
24}; 23};
25 24
26static struct platform_device bcm63xx_uart_device = { 25static struct resource uart1_resources[] = {
27 .name = "bcm63xx_uart", 26 {
28 .id = 0, 27 /* start & end filled at runtime */
29 .num_resources = ARRAY_SIZE(uart_resources), 28 .flags = IORESOURCE_MEM,
30 .resource = uart_resources, 29 },
30 {
31 /* start filled at runtime */
32 .flags = IORESOURCE_IRQ,
33 },
34};
35
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 }
31}; 50};
32 51
33int __init bcm63xx_uart_register(void) 52int __init bcm63xx_uart_register(unsigned int id)
34{ 53{
35 uart_resources[0].start = bcm63xx_regset_address(RSET_UART0); 54 if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
36 uart_resources[0].end = uart_resources[0].start; 55 return -ENODEV;
37 uart_resources[0].end += RSET_UART_SIZE - 1; 56
38 uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0); 57 if (id == 1 && !BCMCPU_IS_6358())
39 return platform_device_register(&bcm63xx_uart_device); 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);