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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 b0519461ad9..c2963da0253 100644
--- a/arch/mips/bcm63xx/dev-uart.c
+++ b/arch/mips/bcm63xx/dev-uart.c
@@ -11,31 +11,65 @@
#include <linux/platform_device.h>
#include <bcm63xx_cpu.h>
-static struct resource uart_resources[] = {
+static struct resource uart0_resources[] = {
{
- .start = -1, /* filled at runtime */
- .end = -1, /* filled at runtime */
+ /* start & end filled at runtime */
.flags = IORESOURCE_MEM,
},
{
- .start = -1, /* filled at runtime */
+ /* start filled at runtime */
.flags = IORESOURCE_IRQ,
},
};
-static struct platform_device bcm63xx_uart_device = {
- .name = "bcm63xx_uart",
- .id = 0,
- .num_resources = ARRAY_SIZE(uart_resources),
- .resource = uart_resources,
+static struct resource uart1_resources[] = {
+ {
+ /* start & end filled at runtime */
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ /* start filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bcm63xx_uart_devices[] = {
+ {
+ .name = "bcm63xx_uart",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(uart0_resources),
+ .resource = uart0_resources,
+ },
+
+ {
+ .name = "bcm63xx_uart",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(uart1_resources),
+ .resource = uart1_resources,
+ }
};
-int __init bcm63xx_uart_register(void)
+int __init bcm63xx_uart_register(unsigned int id)
{
- uart_resources[0].start = bcm63xx_regset_address(RSET_UART0);
- uart_resources[0].end = uart_resources[0].start;
- uart_resources[0].end += RSET_UART_SIZE - 1;
- uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
- return platform_device_register(&bcm63xx_uart_device);
+ if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
+ return -ENODEV;
+
+ if (id == 1 && !BCMCPU_IS_6358())
+ return -ENODEV;
+
+ if (id == 0) {
+ uart0_resources[0].start = bcm63xx_regset_address(RSET_UART0);
+ uart0_resources[0].end = uart0_resources[0].start +
+ RSET_UART_SIZE - 1;
+ uart0_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
+ }
+
+ if (id == 1) {
+ uart1_resources[0].start = bcm63xx_regset_address(RSET_UART1);
+ uart1_resources[0].end = uart1_resources[0].start +
+ RSET_UART_SIZE - 1;
+ uart1_resources[1].start = bcm63xx_get_irq_number(IRQ_UART1);
+ }
+
+ return platform_device_register(&bcm63xx_uart_devices[id]);
}
-arch_initcall(bcm63xx_uart_register);