Hello Michal,

On Fri, 29 May 2015 09:54:37 +0200, Michal Simek michal.simek@xilinx.com wrote:

From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com

Added UART DCC support for armv8

Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com

---

Not sure if CONFIG_CPU_ARMV8 is the right symbol but we are following pattern above. Maybe CONFIG_ARM64?

---

drivers/serial/arm_dcc.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)

diff --git a/drivers/serial/arm_dcc.c b/drivers/serial/arm_dcc.c index e77773740fb0..df7eb05e8246 100644 --- a/drivers/serial/arm_dcc.c +++ b/drivers/serial/arm_dcc.c @@ -61,6 +61,22 @@ #define status_dcc(x) \ __asm__ volatile ("mrc p14, 0, %0, c14, c0, 0\n" : "=r" (x))

+#elif defined(CONFIG_CPU_ARMV8) +/*

• • ARMV8
• */

+#define DCC_RBIT (1 << 30) +#define DCC_WBIT (1 << 29)

+#define write_dcc(x) \

• __asm__ volatile ("msr dbgdtrtx_el0, %0\n" : : "r" (x))
  

+#define read_dcc(x) \

• __asm__ volatile ("mrs %0, dbgdtrrx_el0\n" : "=r" (x))
  

+#define status_dcc(x) \

• __asm__ volatile ("mrs %0, mdccsr_el0\n" : "=r" (x))
  

#else #define DCC_RBIT (1 << 0)

#define DCC_WBIT (1 << 1)

2.3.5

---

U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot

Applied to u-boot-arm/master, thanks!

Amicalement,