[ARM] pxa/zeus: Allow usage of 8250-compatible UART in uncompress

Zeus console port is wired to a 8250-compatible device (pxa UARTs are
reserved to other uses). This patch allows such a configuration in the
uncompress sequence.

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/include/mach/uncompress.h b/arch/arm/mach-pxa/include/mach/uncompress.h
index 4888a21947b..5ef91d9d17e 100644
--- a/arch/arm/mach-pxa/include/mach/uncompress.h
+++ b/arch/arm/mach-pxa/include/mach/uncompress.h
@@ -60,6 +60,12 @@ static inline void arch_decomp_setup(void)
             || machine_is_csb726() || machine_is_stargate2()
             || machine_is_cm_x300() || machine_is_balloon3())
                 uart_base = STUART_BASE;
+
+        if (machine_is_arcom_zeus()) {
+                uart_base = 0x10000000; /* nCS4 */
+                uart_shift = 1;
+                uart_is_pxa = 0;
+        }
 }
 
 /*