root/arch/mips/bcm63xx/dev-uart.c
/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <bcm63xx_cpu.h>
#include <bcm63xx_dev_uart.h>

static struct resource uart0_resources[] = {
        {
                /* start & end filled at runtime */
                .flags          = IORESOURCE_MEM,
        },
        {
                /* start filled at runtime */
                .flags          = IORESOURCE_IRQ,
        },
};

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(unsigned int id)
{
        if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
                return -ENODEV;

        if (id == 1 && (!BCMCPU_IS_3368() && !BCMCPU_IS_6358() &&
                !BCMCPU_IS_6368()))
                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]);
}