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ARM: mx3: dynamically allocate mxc_rnga devices

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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2010-11-12 11:49:34 +01:00
parent 6a697e3d31
commit fed3d35b06
6 changed files with 62 additions and 20 deletions
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2
arch/arm/mach-mx3/Kconfig
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@ -12,7 +12,7 @@ config ARCH_MX35
config SOC_IMX31
bool
select ARCH_HAS_RNGA
select IMX_HAVE_PLATFORM_MXC_RNGA
select ARCH_MXC_AUDMUX_V2
select ARCH_MX31

18
arch/arm/mach-mx3/devices.c
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@ -29,23 +29,6 @@
#include "devices.h"
#ifdef CONFIG_ARCH_MX31
static struct resource rnga_resources[] = {
{
.start = MX3x_RNGA_BASE_ADDR,
.end = MX3x_RNGA_BASE_ADDR + 0x28,
.flags = IORESOURCE_MEM,
},
};
struct platform_device mxc_rnga_device = {
.name = "mxc_rnga",
.id = -1,
.num_resources = 1,
.resource = rnga_resources,
};
#endif /* CONFIG_ARCH_MX31 */
/* i.MX31 Image Processing Unit */
/* The resource order is important! */
@ -262,7 +245,6 @@ static int __init mx3_devices_init(void)
if (cpu_is_mx31()) {
imx_wdt_resources[0].start = MX31_WDOG_BASE_ADDR;
imx_wdt_resources[0].end = MX31_WDOG_BASE_ADDR + 0x3fff;
mxc_register_device(&mxc_rnga_device, NULL);
}
#endif
#if defined(CONFIG_ARCH_MX35)

1
arch/arm/mach-mx3/devices.h
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@ -5,7 +5,6 @@ extern struct platform_device mxc_otg_udc_device;
extern struct platform_device mxc_otg_host;
extern struct platform_device mxc_usbh1;
extern struct platform_device mxc_usbh2;
extern struct platform_device mxc_rnga_device;
extern struct platform_device imx_wdt_device0;
extern struct platform_device imx_rtc_device0;
extern struct platform_device imx_kpp_device;

4
arch/arm/plat-mxc/devices/Kconfig
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@ -62,6 +62,10 @@ config IMX_HAVE_PLATFORM_MXC_NAND
config IMX_HAVE_PLATFORM_MXC_PWM
bool
config IMX_HAVE_PLATFORM_MXC_RNGA
bool
select ARCH_HAS_RNGA
config IMX_HAVE_PLATFORM_MXC_W1
bool

1
arch/arm/plat-mxc/devices/Makefile
View File

@ -19,5 +19,6 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_EHCI) += platform-mxc-ehci.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_MMC) += platform-mxc-mmc.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_NAND) += platform-mxc_nand.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_PWM) += platform-mxc_pwm.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_RNGA) += platform-mxc_rnga.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_W1) += platform-mxc_w1.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_SPI_IMX) += platform-spi_imx.o

56
arch/arm/plat-mxc/devices/platform-mxc_rnga.c Normal file
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@ -0,0 +1,56 @@
/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#include <mach/hardware.h>
#include <mach/devices-common.h>
struct imx_mxc_rnga_data {
resource_size_t iobase;
};
#define imx_mxc_rnga_data_entry_single(soc) \
{ \
.iobase = soc ## _RNGA_BASE_ADDR, \
}
#ifdef CONFIG_SOC_IMX31
static const struct imx_mxc_rnga_data imx31_mxc_rnga_data __initconst =
imx_mxc_rnga_data_entry_single(MX31);
#endif /* ifdef CONFIG_SOC_IMX31 */
static struct platform_device *__init imx_add_mxc_rnga(
const struct imx_mxc_rnga_data *data)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
};
return imx_add_platform_device("mxc_rnga", -1,
res, ARRAY_SIZE(res), NULL, 0);
}
static int __init imxXX_add_mxc_rnga(void)
{
struct platform_device *ret;
#if defined(CONFIG_SOC_IMX31)
if (cpu_is_mx31())
ret = imx_add_mxc_rnga(&imx31_mxc_rnga_data);
else
#endif /* if defined(CONFIG_SOC_IMX31) */
ret = ERR_PTR(-ENODEV);
if (IS_ERR(ret))
return PTR_ERR(ret);
return 0;
}
arch_initcall(imxXX_add_mxc_rnga);