]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
ARM: sa11x0/assabet: ensure CS2 is configured appropriately
authorRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 15 Oct 2013 23:09:02 +0000 (00:09 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 15 Oct 2013 23:09:02 +0000 (00:09 +0100)
The CS2 region contains the Assabet board configuration and status
registers, which are 32-bit.  Unfortunately, some boot loaders do not
configure this region correctly, leaving it setup as a 16-bit region.
Fix this.

Cc: <stable@vger.kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mach-sa1100/assabet.c

index e838ba27e443c1dd0b54042c3e4afd882ae22265..c9808c6841526204144e36a273596e6955696dc8 100644 (file)
@@ -512,6 +512,9 @@ static void __init assabet_map_io(void)
         * Its called GPCLKR0 in my SA1110 manual.
         */
        Ser1SDCR0 |= SDCR0_SUS;
+       MSC1 = (MSC1 & ~0xffff) |
+               MSC_NonBrst | MSC_32BitStMem |
+               MSC_RdAcc(2) | MSC_WrAcc(2) | MSC_Rec(0);
 
        if (!machine_has_neponset())
                sa1100_register_uart_fns(&assabet_port_fns);