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ARM: nomadik: register AMBA devices dynamically 

This makes AMBA devices on the Nomadik main CPU die register
dynamically, and refactor the registration of the RNG to use
this.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2012-01-09 12:40:02 +01:00
parent 056c78d3a2
commit 7c77852d2f
2 changed files with 6 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/arm/mach-nomadik/board-nhk8815.c
View File

@ -185,17 +185,6 @@ static void __init nhk8815_onenand_init(void)
#endif #endif
} }
static AMBA_APB_DEVICE(uart0, "uart0", 0, NOMADIK_UART0_BASE,
{ IRQ_UART0 }, NULL);
static AMBA_APB_DEVICE(uart1, "uart1", 0, NOMADIK_UART1_BASE,
{ IRQ_UART1 }, NULL);
static struct amba_device *amba_devs[] __initdata = {
&uart0_device,
&uart1_device,
};
static struct resource nhk8815_eth_resources[] = { static struct resource nhk8815_eth_resources[] = {
{ {
.name = "smc91x-regs", .name = "smc91x-regs",
@ -255,15 +244,13 @@ static struct sys_timer nomadik_timer = {
static void __init nhk8815_platform_init(void) static void __init nhk8815_platform_init(void)
{ {
int i;
cpu8815_platform_init(); cpu8815_platform_init();
nhk8815_onenand_init(); nhk8815_onenand_init();
platform_add_devices(nhk8815_platform_devices, platform_add_devices(nhk8815_platform_devices,
ARRAY_SIZE(nhk8815_platform_devices)); ARRAY_SIZE(nhk8815_platform_devices));
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
amba_device_register(amba_devs[i], &iomem_resource); amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
} }
MACHINE_START(NOMADIK, "NHK8815") MACHINE_START(NOMADIK, "NHK8815")

13
arch/arm/mach-nomadik/cpu-8815.c
View File

@ -22,6 +22,9 @@
#include <linux/amba/bus.h> #include <linux/amba/bus.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/io.h> #include <linux/io.h>
#include <linux/slab.h>
#include <linux/irq.h>
#include <linux/dma-mapping.h>
#include <plat/gpio-nomadik.h> #include <plat/gpio-nomadik.h>
#include <mach/hardware.h> #include <mach/hardware.h>
@ -35,12 +38,6 @@
#include "clock.h" #include "clock.h"
#include "cpu-8815.h" #include "cpu-8815.h"
static AMBA_APB_DEVICE(cpu8815_amba_rng, "rng", 0, NOMADIK_RNG_BASE, { }, NULL);
static struct amba_device *amba_devs[] __initdata = {
&cpu8815_amba_rng_device
};
/* The 8815 has 4 GPIO blocks, let's register them immediately */ /* The 8815 has 4 GPIO blocks, let's register them immediately */
static resource_size_t __initdata cpu8815_gpio_base[] = { static resource_size_t __initdata cpu8815_gpio_base[] = {
NOMADIK_GPIO0_BASE, NOMADIK_GPIO0_BASE,
@ -88,15 +85,13 @@ void cpu8815_add_gpios(resource_size_t *base, int num, int irq,
static int __init cpu8815_init(void) static int __init cpu8815_init(void)
{ {
int i;
struct nmk_gpio_platform_data pdata = { struct nmk_gpio_platform_data pdata = {
/* No custom data yet */ /* No custom data yet */
}; };
cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base), cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base),
IRQ_GPIO0, &pdata); IRQ_GPIO0, &pdata);
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0);
amba_device_register(amba_devs[i], &iomem_resource);
return 0; return 0;
} }
arch_initcall(cpu8815_init); arch_initcall(cpu8815_init);