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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 1/2] ARM: use arm_system_rev from environment
Date: Thu, 13 Oct 2011 16:58:28 +0200	[thread overview]
Message-ID: <1318517909-21205-2-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1318517909-21205-1-git-send-email-s.hauer@pengutronix.de>

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/lib/armlinux.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/arch/arm/lib/armlinux.c b/arch/arm/lib/armlinux.c
index e3a74f4..f636f12 100644
--- a/arch/arm/lib/armlinux.c
+++ b/arch/arm/lib/armlinux.c
@@ -198,7 +198,14 @@ void armlinux_set_architecture(int architecture)
 
 void armlinux_set_revision(unsigned int rev)
 {
+	char *revstr = asprintf("%d", rev);
+
 	system_rev = rev;
+
+	setenv("arm_system_rev", revstr);
+	export("arm_system_rev");
+
+	kfree(revstr);
 }
 
 void armlinux_set_serial(u64 serial)
@@ -209,6 +216,10 @@ void armlinux_set_serial(u64 serial)
 void start_linux(void *adr, int swap, struct image_data *data)
 {
 	void (*kernel)(int zero, int arch, void *params) = adr;
+	const char *revstr = getenv("arm_system_rev");
+
+	if (revstr)
+		system_rev = simple_strtoul(revstr, NULL, 0);
 
 	setup_tags(data, swap);
 
-- 
1.7.7


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  reply	other threads:[~2011-10-13 14:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-13 14:58 patches Sascha Hauer
2011-10-13 14:58 ` Sascha Hauer [this message]
2011-10-14  2:24   ` [PATCH 1/2] ARM: use arm_system_rev from environment Jean-Christophe PLAGNIOL-VILLARD
2011-10-13 14:58 ` [PATCH 2/2] nand: export some useful information about flashes to device variables Sascha Hauer

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