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Commit ebf71ec7 authored by Alban Bedel's avatar Alban Bedel Committed by Ralf Baechle
Browse files

MIPS: ath79: Read the initrd address from the firmware environment 



Allow loading an initrd passed by the firmware.

Signed-off-by: default avatarAlban Bedel <albeu@free.fr>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8354/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 11a0f40b

arch/mips/ath79/prom.c

+8 −0
Original line number Original line Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/init.h>

#include <linux/init.h>

#include <linux/io.h>

#include <linux/io.h>

#include <linux/string.h>

#include <linux/string.h>

#include <linux/initrd.h>





#include <asm/bootinfo.h>

#include <asm/bootinfo.h>

#include <asm/addrspace.h>

#include <asm/addrspace.h>
@@ -23,6 +24,13 @@ 
void __init prom_init(void)

void __init prom_init(void)

{

{

	fw_init_cmdline();

	fw_init_cmdline();



	/* Read the initrd address from the firmware environment */

	initrd_start = fw_getenvl("initrd_start");

	if (initrd_start) {

		initrd_start = KSEG0ADDR(initrd_start);

		initrd_end = initrd_start + fw_getenvl("initrd_size");

	}

}

}





void __init prom_free_prom_memory(void)

void __init prom_free_prom_memory(void)