diff options
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-11-12 13:49:34 +0300 |
|---|---|---|
| committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-11-19 23:54:35 +0300 |
| commit | fed3d35b06bf3f6a3383c2637d054823c563200b (patch) | |
| tree | a787cffeb9f3b82d5be819a69e7eaec53e152e0b /arch/arm/plat-mxc | |
| parent | 6a697e3d310d79ea0e385975c57084ce22b04b36 (diff) | |
| download | linux-fed3d35b06bf3f6a3383c2637d054823c563200b.tar.xz | |
ARM: mx3: dynamically allocate mxc_rnga devices
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/devices/Kconfig | 4 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/devices/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/devices/platform-mxc_rnga.c | 56 |
3 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig index 1be447638a92..f34c13998cbc 100644 --- a/arch/arm/plat-mxc/devices/Kconfig +++ b/arch/arm/plat-mxc/devices/Kconfig @@ -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 diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile index f1c3767d29d1..91fdd6c58b5b 100644 --- a/arch/arm/plat-mxc/devices/Makefile +++ b/arch/arm/plat-mxc/devices/Makefile @@ -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 diff --git a/arch/arm/plat-mxc/devices/platform-mxc_rnga.c b/arch/arm/plat-mxc/devices/platform-mxc_rnga.c new file mode 100644 index 000000000000..b4b7612b6e17 --- /dev/null +++ b/arch/arm/plat-mxc/devices/platform-mxc_rnga.c @@ -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); |