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- /*
- * NEC VR4100 series RTC platform device.
- *
- * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
- #include <linux/errno.h>
- #include <linux/init.h>
- #include <linux/smp.h>
- #include <linux/ioport.h>
- #include <linux/platform_device.h>
- #include <asm/cpu.h>
- #include <asm/vr41xx/irq.h>
- static struct resource rtc_type1_resource[] __initdata = {
- {
- .start = 0x0b0000c0,
- .end = 0x0b0000df,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = 0x0b0001c0,
- .end = 0x0b0001df,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = ELAPSEDTIME_IRQ,
- .end = ELAPSEDTIME_IRQ,
- .flags = IORESOURCE_IRQ,
- },
- {
- .start = RTCLONG1_IRQ,
- .end = RTCLONG1_IRQ,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct resource rtc_type2_resource[] __initdata = {
- {
- .start = 0x0f000100,
- .end = 0x0f00011f,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = 0x0f000120,
- .end = 0x0f00013f,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = ELAPSEDTIME_IRQ,
- .end = ELAPSEDTIME_IRQ,
- .flags = IORESOURCE_IRQ,
- },
- {
- .start = RTCLONG1_IRQ,
- .end = RTCLONG1_IRQ,
- .flags = IORESOURCE_IRQ,
- },
- };
- static int __init vr41xx_rtc_add(void)
- {
- struct platform_device *pdev;
- struct resource *res;
- unsigned int num;
- int retval;
- pdev = platform_device_alloc("RTC", -1);
- if (!pdev)
- return -ENOMEM;
- switch (current_cpu_type()) {
- case CPU_VR4111:
- case CPU_VR4121:
- res = rtc_type1_resource;
- num = ARRAY_SIZE(rtc_type1_resource);
- break;
- case CPU_VR4122:
- case CPU_VR4131:
- case CPU_VR4133:
- res = rtc_type2_resource;
- num = ARRAY_SIZE(rtc_type2_resource);
- break;
- default:
- retval = -ENODEV;
- goto err_free_device;
- }
- retval = platform_device_add_resources(pdev, res, num);
- if (retval)
- goto err_free_device;
- retval = platform_device_add(pdev);
- if (retval)
- goto err_free_device;
- return 0;
- err_free_device:
- platform_device_put(pdev);
- return retval;
- }
- device_initcall(vr41xx_rtc_add);
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