]> git.sur5r.net Git - u-boot/commitdiff
arm: Tegra: fix undefined instruction hang immediately after reset
authorTom Warren <twarren.nvidia@gmail.com>
Tue, 6 Dec 2011 13:00:19 +0000 (13:00 +0000)
committerWolfgang Denk <wd@denx.de>
Wed, 21 Dec 2011 19:36:22 +0000 (20:36 +0100)
commit 0d479b53 (Aneesh V) added code for OMAP4 that doesn't
execute on Tegra, due to the AVP (ARM7TDI) not having a CP15.
Result was an undefined instruction hang just after reset.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Tom Rini <trini@ti.com>
Acked-by: Aneesh V <aneesh@ti.com>
arch/arm/cpu/armv7/start.S

index 6a77c71e1d75ccfe83c4176b47b10116c43f5581..ef08a55abc2c6189062c9d87c36d5d042139017c 100644 (file)
@@ -132,6 +132,7 @@ reset:
        orr     r0, r0, #0xd3
        msr     cpsr,r0
 
+#if !defined(CONFIG_TEGRA2)
 /*
  * Setup vector:
  * (OMAP4 spl TEXT_BASE is not 32 byte aligned.
@@ -147,6 +148,7 @@ reset:
        ldr     r0, =_start
        mcr     p15, 0, r0, c12, c0, 0  @Set VBAR
 #endif
+#endif /* !Tegra2 */
 
        /* the mask ROM code should have PLL and others stable */
 #ifndef CONFIG_SKIP_LOWLEVEL_INIT