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[POWERPC] Add of_platform support for ROM devices

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This adds support for flash device descriptions to the OF device tree.
It's inspired by and partially borrowed from Sergei's patch "[RFC]
Adding MTD to device tree.patch".

Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Vitaly Wool
2006-11-20 16:32:39 +03:00
committed by Paul Mackerras
parent a5715d6dfc
commit 28f9ec349a
3 changed files with 71 additions and 0 deletions
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1
arch/powerpc/sysdev/Makefile
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@ -11,6 +11,7 @@ obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o
obj-$(CONFIG_FSL_SOC) += fsl_soc.o
obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o
obj-$(CONFIG_QUICC_ENGINE) += qe_lib/
obj-$(CONFIG_MTD) += rom.o
ifeq ($(CONFIG_PPC_MERGE),y)
obj-$(CONFIG_PPC_I8259) += i8259.o

31
arch/powerpc/sysdev/rom.c Normal file
View File

@ -0,0 +1,31 @@
/*
* ROM device registration
*
* (C) 2006 MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/kernel.h>
#include <asm/of_device.h>
static int __init powerpc_flash_init(void)
{
struct device_node *node = NULL;
/*
* Register all the devices which type is "rom"
*/
while ((node = of_find_node_by_type(node, "rom")) != NULL) {
if (node->name == NULL) {
printk(KERN_WARNING "powerpc_flash_init: found 'rom' "
"device, but with no name, skipping...\n");
continue;
}
of_platform_device_create(node, node->name, NULL);
}
return 0;
}
arch_initcall(powerpc_flash_init);