[PATCH v3 01/18] ARM: clps711x: Using platform_driver for ethernet device

Alexander Shiyan shc_work at mail.ru
Sat Nov 17 08:57:07 EST 2012


This patch removes static mappings for ethernet devices. Now we will use
platform_driver for ethernet devices.

Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
---
 arch/arm/mach-clps711x/Kconfig                 |    2 -
 arch/arm/mach-clps711x/autcpu12.c              |   27 +++++++++-------------
 arch/arm/mach-clps711x/cdb89712.c              |   28 +++++++++++------------
 arch/arm/mach-clps711x/edb7211.c               |   26 ++++++++++++++++------
 arch/arm/mach-clps711x/include/mach/autcpu12.h |    3 --
 arch/arm/mach-clps711x/include/mach/hardware.h |   11 ---------
 6 files changed, 43 insertions(+), 54 deletions(-)

diff --git a/arch/arm/mach-clps711x/Kconfig b/arch/arm/mach-clps711x/Kconfig
index 263242d..2d00165 100644
--- a/arch/arm/mach-clps711x/Kconfig
+++ b/arch/arm/mach-clps711x/Kconfig
@@ -10,7 +10,6 @@ config ARCH_AUTCPU12
 
 config ARCH_CDB89712
 	bool "CDB89712"
-	select ISA
 	help
 	  This is an evaluation board from Cirrus for the CS89712 processor.
 	  The board includes 2 serial ports, Ethernet, IRDA, and expansion
@@ -25,7 +24,6 @@ config ARCH_EDB7211
 	bool "EDB7211"
 	select ARCH_SELECT_MEMORY_MODEL
 	select ARCH_SPARSEMEM_ENABLE
-	select ISA
 	help
 	  Say Y here if you intend to run this kernel on a Cirrus Logic EDB-7211
 	  evaluation board.
diff --git a/arch/arm/mach-clps711x/autcpu12.c b/arch/arm/mach-clps711x/autcpu12.c
index 214547b..d9b7f94 100644
--- a/arch/arm/mach-clps711x/autcpu12.c
+++ b/arch/arm/mach-clps711x/autcpu12.c
@@ -24,6 +24,7 @@
 #include <linux/mm.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
+#include <linux/interrupt.h>
 #include <linux/platform_device.h>
 
 #include <mach/hardware.h>
@@ -39,21 +40,13 @@
 
 #include "common.h"
 
-static struct map_desc autcpu12_io_desc[] __initdata = {
-	/* Memory-mapped extra io and CS8900A Ethernet chip */
-	{
-		.virtual	= IO_ADDRESS(AUTCPU12_PHYS_CS8900A),
-		.pfn		= __phys_to_pfn(AUTCPU12_PHYS_CS8900A),
-		.length		= SZ_1M,
-		.type		= MT_DEVICE
-	}
-};
+#define AUTCPU12_CS8900_BASE	(CS2_PHYS_BASE + 0x300)
+#define AUTCPU12_CS8900_IRQ	(IRQ_EINT3)
 
-void __init autcpu12_map_io(void)
-{
-        clps711x_map_io();
-        iotable_init(autcpu12_io_desc, ARRAY_SIZE(autcpu12_io_desc));
-}
+static struct resource autcpu12_cs8900_resource[] __initdata = {
+	DEFINE_RES_MEM(AUTCPU12_CS8900_BASE, SZ_1K),
+	DEFINE_RES_IRQ(AUTCPU12_CS8900_IRQ),
+};
 
 static struct resource autcpu12_nvram_resource[] __initdata = {
 	DEFINE_RES_MEM_NAMED(AUTCPU12_PHYS_NVRAM, SZ_128K, "SRAM"),
@@ -68,16 +61,18 @@ static struct platform_device autcpu12_nvram_pdev __initdata = {
 
 static void __init autcpu12_init(void)
 {
+	platform_device_register_simple("cs89x0", 0, autcpu12_cs8900_resource,
+					ARRAY_SIZE(autcpu12_cs8900_resource));
 	platform_device_register(&autcpu12_nvram_pdev);
 }
 
 MACHINE_START(AUTCPU12, "autronix autcpu12")
 	/* Maintainer: Thomas Gleixner */
 	.atag_offset	= 0x20000,
-	.init_machine	= autcpu12_init,
-	.map_io		= autcpu12_map_io,
+	.map_io		= clps711x_map_io,
 	.init_irq	= clps711x_init_irq,
 	.timer		= &clps711x_timer,
+	.init_machine	= autcpu12_init,
 	.restart	= clps711x_restart,
 MACHINE_END
 
diff --git a/arch/arm/mach-clps711x/cdb89712.c b/arch/arm/mach-clps711x/cdb89712.c
index d90d25c..235e625 100644
--- a/arch/arm/mach-clps711x/cdb89712.c
+++ b/arch/arm/mach-clps711x/cdb89712.c
@@ -23,6 +23,8 @@
 #include <linux/string.h>
 #include <linux/mm.h>
 #include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
 
 #include <mach/hardware.h>
 #include <asm/pgtable.h>
@@ -34,30 +36,26 @@
 
 #include "common.h"
 
-/*
- * Map the CS89712 Ethernet port.  That should be moved to the
- * ethernet driver, perhaps.
- */
-static struct map_desc cdb89712_io_desc[] __initdata = {
-	{
-		.virtual	= IO_ADDRESS(ETHER_PHYS_BASE),
-		.pfn		= __phys_to_pfn(ETHER_PHYS_BASE),
-		.length		= ETHER_SIZE,
-		.type		= MT_DEVICE
-	}
+#define CDB89712_CS8900_BASE	(CS2_PHYS_BASE + 0x300)
+#define CDB89712_CS8900_IRQ	(IRQ_EINT3)
+
+static struct resource cdb89712_cs8900_resource[] __initdata = {
+	DEFINE_RES_MEM(CDB89712_CS8900_BASE, SZ_1K),
+	DEFINE_RES_IRQ(CDB89712_CS8900_IRQ),
 };
 
-static void __init cdb89712_map_io(void)
+static void __init cdb89712_init(void)
 {
-	clps711x_map_io();
-	iotable_init(cdb89712_io_desc, ARRAY_SIZE(cdb89712_io_desc));
+	platform_device_register_simple("cs89x0", 0, cdb89712_cs8900_resource,
+					ARRAY_SIZE(cdb89712_cs8900_resource));
 }
 
 MACHINE_START(CDB89712, "Cirrus-CDB89712")
 	/* Maintainer: Ray Lehtiniemi */
 	.atag_offset	= 0x100,
-	.map_io		= cdb89712_map_io,
+	.map_io		= clps711x_map_io,
 	.init_irq	= clps711x_init_irq,
 	.timer		= &clps711x_timer,
+	.init_machine	= cdb89712_init,
 	.restart	= clps711x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-clps711x/edb7211.c b/arch/arm/mach-clps711x/edb7211.c
index 88f4690..7add9ad 100644
--- a/arch/arm/mach-clps711x/edb7211.c
+++ b/arch/arm/mach-clps711x/edb7211.c
@@ -10,6 +10,8 @@
 #include <linux/init.h>
 #include <linux/memblock.h>
 #include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
 
 #include <asm/setup.h>
 #include <asm/mach/map.h>
@@ -20,7 +22,15 @@
 
 #include "common.h"
 
-#define VIDEORAM_SIZE	SZ_128K
+#define VIDEORAM_SIZE		SZ_128K
+
+#define EDB7211_CS8900_BASE	(CS2_PHYS_BASE + 0x300)
+#define EDB7211_CS8900_IRQ	(IRQ_EINT3)
+
+static struct resource edb7211_cs8900_resource[] __initdata = {
+	DEFINE_RES_MEM(EDB7211_CS8900_BASE, SZ_1K),
+	DEFINE_RES_IRQ(EDB7211_CS8900_IRQ),
+};
 
 static struct map_desc edb7211_io_desc[] __initdata = {
 	{	/* Memory-mapped extra keyboard row */
@@ -28,11 +38,6 @@ static struct map_desc edb7211_io_desc[] __initdata = {
 		.pfn		= __phys_to_pfn(EP7211_PHYS_EXTKBD),
 		.length		= SZ_1M,
 		.type		= MT_DEVICE,
-	}, {	/* CS8900A Ethernet chip */
-		.virtual	= IO_ADDRESS(EP7211_PHYS_CS8900A),
-		.pfn		= __phys_to_pfn(EP7211_PHYS_CS8900A),
-		.length		= SZ_1M,
-		.type		= MT_DEVICE,
 	}, {	/* Flash bank 0 */
 		.virtual	= IO_ADDRESS(EP7211_PHYS_FLASH1),
 		.pfn		= __phys_to_pfn(EP7211_PHYS_FLASH1),
@@ -76,13 +81,20 @@ fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi)
 	mi->nr_banks = 2;
 }
 
+static void __init edb7211_init(void)
+{
+	platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource,
+					ARRAY_SIZE(edb7211_cs8900_resource));
+}
+
 MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
 	/* Maintainer: Jon McClintock */
 	.atag_offset	= VIDEORAM_SIZE + 0x100,
 	.fixup		= fixup_edb7211,
-	.map_io		= edb7211_map_io,
 	.reserve	= edb7211_reserve,
+	.map_io		= edb7211_map_io,
 	.init_irq	= clps711x_init_irq,
 	.timer		= &clps711x_timer,
+	.init_machine	= edb7211_init,
 	.restart	= clps711x_restart,
 MACHINE_END
diff --git a/arch/arm/mach-clps711x/include/mach/autcpu12.h b/arch/arm/mach-clps711x/include/mach/autcpu12.h
index f95ce6f..b077abd 100644
--- a/arch/arm/mach-clps711x/include/mach/autcpu12.h
+++ b/arch/arm/mach-clps711x/include/mach/autcpu12.h
@@ -20,9 +20,6 @@
 #ifndef __ASM_ARCH_AUTCPU12_H
 #define __ASM_ARCH_AUTCPU12_H
 
-/* The CS8900A ethernet chip has its I/O registers wired to chip select 2 */
-#define AUTCPU12_PHYS_CS8900A		CS2_PHYS_BASE
-
 /*
  * The flash bank is wired to chip select 0
  */
diff --git a/arch/arm/mach-clps711x/include/mach/hardware.h b/arch/arm/mach-clps711x/include/mach/hardware.h
index 0a3df25..bd919e7 100644
--- a/arch/arm/mach-clps711x/include/mach/hardware.h
+++ b/arch/arm/mach-clps711x/include/mach/hardware.h
@@ -64,22 +64,11 @@
 #define CS7_PHYS_BASE		(0x00000000)
 #endif
 
-#if defined (CONFIG_ARCH_CDB89712)
-
-#define ETHER_PHYS_BASE		CS2_PHYS_BASE
-#define ETHER_SIZE		0x1000
-
-#endif
-
-
 #if defined (CONFIG_ARCH_EDB7211)
 
 /* The extra 8 lines of the keyboard matrix are wired to chip select 3 */
 #define EP7211_PHYS_EXTKBD	CS3_PHYS_BASE
 
-/* The CS8900A ethernet chip has its I/O registers wired to chip select 2 */
-#define EP7211_PHYS_CS8900A	CS2_PHYS_BASE
-
 /* The two flash banks are wired to chip selects 0 and 1 */
 #define EP7211_PHYS_FLASH1	CS0_PHYS_BASE
 #define EP7211_PHYS_FLASH2	CS1_PHYS_BASE
-- 
1.7.8.6




More information about the linux-arm-kernel mailing list