diff options
Diffstat (limited to 'arch/mips/bcm63xx/dev-uart.c')
-rw-r--r-- | arch/mips/bcm63xx/dev-uart.c | 66 |
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 @@ #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); |