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From: Simon Glass <sjg@chromium.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 3/5] arm: Allow lr to be saved by board code
Date: Tue,  3 Feb 2015 21:18:52 -0700	[thread overview]
Message-ID: <1423023534-4318-3-git-send-email-sjg@chromium.org> (raw)
In-Reply-To: <1423023534-4318-1-git-send-email-sjg@chromium.org>

The link register value can be required on some boards (e.g. FEL mode on
sunxi) so stash it to r4 before jumping to save_boot_params().

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 arch/arm/cpu/armv7/start.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 0ba26f7..8207d66 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -33,6 +33,7 @@
 	.globl	reset
 
 reset:
+	mov	r4, lr
 	bl	save_boot_params
 	/*
 	 * disable interrupts (FIQ and IRQ), also set the cpu to SVC32 mode,
-- 
2.2.0.rc0.207.ga3a616c

  parent reply	other threads:[~2015-02-04  4:18 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-04  4:18 [U-Boot] [PATCH 1/5] arm: Use r2 instead of r0 in start.S Simon Glass
2015-02-04  4:18 ` [U-Boot] [PATCH 2/5] arm: Allow reset init to be controlled Simon Glass
2015-02-04  8:50   ` Albert ARIBAUD
2015-02-05  2:51     ` Simon Glass
2015-02-04  4:18 ` Simon Glass [this message]
2015-02-04  8:59   ` [U-Boot] [PATCH 3/5] arm: Allow lr to be saved by board code Albert ARIBAUD
2015-02-05  2:51     ` Simon Glass
2015-02-05 14:15       ` Albert ARIBAUD
2015-02-05 14:19         ` Simon Glass
2015-02-05 21:40       ` Tom Rini
2015-02-04  4:18 ` [U-Boot] [PATCH 4/5] arm: spl: Provide for a board-specific loader Simon Glass
2015-02-04  4:18 ` [U-Boot] [PATCH 5/5] RFC: sunxi: WIP FEL support Simon Glass
2015-02-04  8:47   ` Hans de Goede
2015-02-04  9:04     ` Albert ARIBAUD
2015-02-05  2:52     ` Simon Glass
2015-02-05  8:40       ` Hans de Goede
2015-02-05 10:21   ` Siarhei Siamashka
2015-02-06  5:45     ` Simon Glass
2015-02-04  8:57 ` [U-Boot] [PATCH 1/5] arm: Use r2 instead of r0 in start.S Albert ARIBAUD
2015-02-05  2:51   ` Simon Glass

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