ARM: zynq: make use of debug_ll_io_init()

Convert low-level debugging routines to make use of debug_ll_io_init().
This is part of the preparation for ARCH_MULTIPLATFORM support for Zynq.

Signed-off-by: Josh Cartwright <josh.cartwright@ni.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>

2 files changed, 7 insertions, 54 deletions

diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c
index 2202f67c8a09..a2f48daa11ca 100644
--- a/arch/arm/mach-zynq/common.c
+++ b/arch/arm/mach-zynq/common.c
@@ -72,23 +72,11 @@ static void __init xilinx_irq_init(void)
  * running include the GIC, UART and Timer Counter.
  */
 
-static struct map_desc io_desc[] __initdata = {
-        {
-                .virtual        = SCU_PERIPH_VIRT,
-                .pfn            = __phys_to_pfn(SCU_PERIPH_PHYS),
-                .length         = SCU_PERIPH_SIZE,
-                .type           = MT_DEVICE,
-        },
-
-#ifdef CONFIG_DEBUG_LL
-        {
-                .virtual        = LL_UART_VADDR,
-                .pfn            = __phys_to_pfn(LL_UART_PADDR),
-                .length         = UART_SIZE,
-                .type           = MT_DEVICE,
-        },
-#endif
-
+static struct map_desc scu_desc __initdata = {
+        .virtual        = SCU_PERIPH_VIRT,
+        .pfn            = __phys_to_pfn(SCU_PERIPH_PHYS),
+        .length         = SCU_PERIPH_SIZE,
+        .type           = MT_DEVICE,
 };
 
 static void __init xilinx_zynq_timer_init(void)
@@ -117,7 +105,8 @@ static struct sys_timer xttcpss_sys_timer = {
  */
 static void __init xilinx_map_io(void)
 {
-        iotable_init(io_desc, ARRAY_SIZE(io_desc));
+        debug_ll_io_init();
+        iotable_init(&scu_desc, 1);
 }
 
 static const char *xilinx_dt_match[] = {
diff --git a/arch/arm/mach-zynq/include/mach/debug-macro.S b/arch/arm/mach-zynq/include/mach/debug-macro.S
deleted file mode 100644
index 3ab0be1f6191..000000000000
--- a/arch/arm/mach-zynq/include/mach/debug-macro.S
+++ /dev/null
@@ -1,36 +0,0 @@
-/* arch/arm/mach-zynq/include/mach/debug-macro.S
- *
- * Debugging macro include header
- *
- *  Copyright (C) 2011 Xilinx
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <mach/zynq_soc.h>
-#include <mach/uart.h>
-
-                .macro  addruart, rp, rv, tmp
-                ldr     \rp, =LL_UART_PADDR     @ physical
-                ldr     \rv, =LL_UART_VADDR     @ virtual
-                .endm
-
-                .macro  senduart,rd,rx
-                str     \rd, [\rx, #UART_FIFO_OFFSET]   @ TXDATA
-                .endm
-
-                .macro  waituart,rd,rx
-                .endm
-
-                .macro  busyuart,rd,rx
-1002:           ldr     \rd, [\rx, #UART_SR_OFFSET]     @ get status register
-                tst     \rd, #UART_SR_TXFULL            @
-                bne     1002b                   @ wait if FIFO is full
-                .endm