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author | Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> | 2007-05-09 00:03:02 +0900 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2007-07-12 17:41:13 +0100 |
commit | 891649409edbed528728b4a104d29e43e9d7473a (patch) | |
tree | 837091ee652d4b6905736c8d12cdc74397d6d1b7 /arch/mips | |
parent | 8c41286edffef0d6e7fb770b178275c8beb24055 (diff) | |
download | linux-891649409edbed528728b4a104d29e43e9d7473a.tar.gz linux-891649409edbed528728b4a104d29e43e9d7473a.tar.bz2 linux-891649409edbed528728b4a104d29e43e9d7473a.zip |
[MIPS] separate platform_device registration for VR41xx serial interface
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r-- | arch/mips/vr41xx/common/Makefile | 2 | ||||
-rw-r--r-- | arch/mips/vr41xx/common/siu.c | 120 |
2 files changed, 121 insertions, 1 deletions
diff --git a/arch/mips/vr41xx/common/Makefile b/arch/mips/vr41xx/common/Makefile index f842783acd86..fcf94d7b1478 100644 --- a/arch/mips/vr41xx/common/Makefile +++ b/arch/mips/vr41xx/common/Makefile @@ -2,4 +2,4 @@ # Makefile for common code of the NEC VR4100 series. # -obj-y += bcu.o cmu.o icu.o init.o irq.o pmu.o type.o +obj-y += bcu.o cmu.o icu.o init.o irq.o pmu.o siu.o type.o diff --git a/arch/mips/vr41xx/common/siu.c b/arch/mips/vr41xx/common/siu.c new file mode 100644 index 000000000000..a1e774142163 --- /dev/null +++ b/arch/mips/vr41xx/common/siu.c @@ -0,0 +1,120 @@ +/* + * NEC VR4100 series SIU platform device. + * + * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * + * 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/ioport.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> + +#include <asm/cpu.h> +#include <asm/vr41xx/siu.h> + +static unsigned int siu_type1_ports[SIU_PORTS_MAX] __initdata = { + PORT_VR41XX_SIU, + PORT_UNKNOWN, +}; + +static struct resource siu_type1_resource[] __initdata = { + { + .start = 0x0c000000, + .end = 0x0c00000a, + .flags = IORESOURCE_MEM, + }, + { + .start = SIU_IRQ, + .end = SIU_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static unsigned int siu_type2_ports[SIU_PORTS_MAX] __initdata = { + PORT_VR41XX_SIU, + PORT_VR41XX_DSIU, +}; + +static struct resource siu_type2_resource[] __initdata = { + { + .start = 0x0f000800, + .end = 0x0f00080a, + .flags = IORESOURCE_MEM, + }, + { + .start = 0x0f000820, + .end = 0x0f000829, + .flags = IORESOURCE_MEM, + }, + { + .start = SIU_IRQ, + .end = SIU_IRQ, + .flags = IORESOURCE_IRQ, + }, + { + .start = DSIU_IRQ, + .end = DSIU_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static int __init vr41xx_siu_add(void) +{ + struct platform_device *pdev; + struct resource *res; + unsigned int num; + int retval; + + pdev = platform_device_alloc("SIU", -1); + if (!pdev) + return -ENOMEM; + + switch (current_cpu_data.cputype) { + case CPU_VR4111: + case CPU_VR4121: + pdev->dev.platform_data = siu_type1_ports; + res = siu_type1_resource; + num = ARRAY_SIZE(siu_type1_resource); + break; + case CPU_VR4122: + case CPU_VR4131: + case CPU_VR4133: + pdev->dev.platform_data = siu_type2_ports; + res = siu_type2_resource; + num = ARRAY_SIZE(siu_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_siu_add); |