Patchwork ARM: imx: use debug_ll_io_init() for imx6q

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Submitter Shawn Guo
Date Jan. 17, 2013, 8:39 a.m.
Message ID <1358411988-8542-1-git-send-email-shawn.guo@linaro.org>
Download mbox | patch
Permalink /patch/213177/
State New
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Shawn Guo - Jan. 17, 2013, 8:39 a.m.
Use debug_ll_io_init() to map low level debug port for imx6q, so that
arch/arm/mach-imx/lluart.c can be removed.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/mach-imx/Makefile     |    1 -
 arch/arm/mach-imx/common.h     |    5 -----
 arch/arm/mach-imx/lluart.c     |   47 ----------------------------------------
 arch/arm/mach-imx/mach-imx6q.c |    3 ++-
 4 files changed, 2 insertions(+), 54 deletions(-)
 delete mode 100644 arch/arm/mach-imx/lluart.c

Patch

diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 0634b31..f35eb39 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -88,7 +88,6 @@  obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o
 obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o
 
-obj-$(CONFIG_DEBUG_LL) += lluart.o
 obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o
 obj-$(CONFIG_HAVE_IMX_MMDC) += mmdc.o
 obj-$(CONFIG_HAVE_IMX_SRC) += src.o
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 7eb3bb2..d672640 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -116,11 +116,6 @@  void tzic_handle_irq(struct pt_regs *);
 
 extern void imx_enable_cpu(int cpu, bool enable);
 extern void imx_set_cpu_jump(int cpu, void *jump_addr);
-#ifdef CONFIG_DEBUG_LL
-extern void imx_lluart_map_io(void);
-#else
-static inline void imx_lluart_map_io(void) {}
-#endif
 extern void v7_cpu_resume(void);
 extern u32 *pl310_get_save_ptr(void);
 #ifdef CONFIG_SMP
diff --git a/arch/arm/mach-imx/lluart.c b/arch/arm/mach-imx/lluart.c
deleted file mode 100644
index 2fdc9bf..0000000
--- a/arch/arm/mach-imx/lluart.c
+++ /dev/null
@@ -1,47 +0,0 @@ 
-/*
- * Copyright 2011 Freescale Semiconductor, Inc.
- * Copyright 2011 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- */
-
-#include <linux/init.h>
-#include <asm/page.h>
-#include <asm/sizes.h>
-#include <asm/mach/map.h>
-
-#include "hardware.h"
-
-#define IMX6Q_UART1_BASE_ADDR	0x02020000
-#define IMX6Q_UART2_BASE_ADDR	0x021e8000
-#define IMX6Q_UART3_BASE_ADDR	0x021ec000
-#define IMX6Q_UART4_BASE_ADDR	0x021f0000
-#define IMX6Q_UART5_BASE_ADDR	0x021f4000
-
-/*
- * IMX6Q_UART_BASE_ADDR is put in the middle to force the expansion
- * of IMX6Q_UART##n##_BASE_ADDR.
- */
-#define IMX6Q_UART_BASE_ADDR(n)	IMX6Q_UART##n##_BASE_ADDR
-#define IMX6Q_UART_BASE(n)	IMX6Q_UART_BASE_ADDR(n)
-#define IMX6Q_DEBUG_UART_BASE	IMX6Q_UART_BASE(CONFIG_DEBUG_IMX6Q_UART_PORT)
-
-static struct map_desc imx_lluart_desc = {
-#ifdef CONFIG_DEBUG_IMX6Q_UART
-	.virtual	= IMX_IO_P2V(IMX6Q_DEBUG_UART_BASE),
-	.pfn		= __phys_to_pfn(IMX6Q_DEBUG_UART_BASE),
-	.length		= 0x4000,
-	.type		= MT_DEVICE,
-#endif
-};
-
-void __init imx_lluart_map_io(void)
-{
-	if (imx_lluart_desc.virtual)
-		iotable_init(&imx_lluart_desc, 1);
-}
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index a009df7..ce7476d 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -31,6 +31,7 @@ 
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/hardware/gic.h>
 #include <asm/mach/arch.h>
+#include <asm/mach/map.h>
 #include <asm/mach/time.h>
 #include <asm/system_misc.h>
 
@@ -216,7 +217,7 @@  static void __init imx6q_init_late(void)
 
 static void __init imx6q_map_io(void)
 {
-	imx_lluart_map_io();
+	debug_ll_io_init();
 	imx_scu_map_io();
 }