netdev - [PATCH V2 2/4] CS89x0 : add CS89x0 platform device to the iMX21ADS board

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Date:	Wed, 11 Jan 2012 00:14:15 +0100
From:	Jaccon Bastiaansen <jaccon.bastiaansen@...il.com>
To:	jaccon.bastiaansen@...il.com, s.hauer@...gutronix.de,
	kernel@...gutronix.de, u.kleine-koenig@...gutronix.de,
	davem@...emloft.net, cavokz@...il.com
Cc:	linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org
Subject: [PATCH V2 2/4] CS89x0 : add CS89x0 platform device to the iMX21ADS board

Add CS89x0 networking support to the iMX21ADS board by using the
platform driver support in the CS89x0 driver.

Signed-off-by: Jaccon Bastiaansen <jaccon.bastiaansen@...il.com>
---
 arch/arm/configs/imx_v4_v5_defconfig |    2 ++
 arch/arm/mach-imx/mach-mx21ads.c     |   25 ++++++++++++++++++++++---
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig
index 11a4192..fc0106f 100644
--- a/arch/arm/configs/imx_v4_v5_defconfig
+++ b/arch/arm/configs/imx_v4_v5_defconfig
@@ -81,6 +81,8 @@ CONFIG_NET_ETHERNET=y
 CONFIG_SMC91X=y
 CONFIG_DM9000=y
 CONFIG_SMC911X=y
+CONFIG_CS89x0=y
+CONFIG_CS89x0_PLATFORM=y
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_INPUT_MOUSEDEV is not set
diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c
index 25f8402..faefdf8 100644
--- a/arch/arm/mach-imx/mach-mx21ads.c
+++ b/arch/arm/mach-imx/mach-mx21ads.c
@@ -38,7 +38,6 @@
 		(MX21ADS_MMIO_BASE_ADDR + (offset))
 
 #define MX21ADS_CS8900A_IRQ         IRQ_GPIOE(11)
-#define MX21ADS_CS8900A_IOBASE_REG  MX21ADS_REG_ADDR(0x000000)
 #define MX21ADS_ST16C255_IOBASE_REG MX21ADS_REG_ADDR(0x200000)
 #define MX21ADS_VERSION_REG         MX21ADS_REG_ADDR(0x400000)
 #define MX21ADS_IO_REG              MX21ADS_REG_ADDR(0x800000)
@@ -159,6 +158,26 @@ static struct platform_device mx21ads_nor_mtd_device = {
 	.resource = &mx21ads_flash_resource,
 };
 
+static struct resource mx21ads_cs8900_resources[] = {
+	{
+		.start = MX21_CS1_BASE_ADDR,
+		.end = MX21_CS1_BASE_ADDR + 0x200000 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = MX21ADS_CS8900A_IRQ,
+		.end = MX21ADS_CS8900A_IRQ,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device mx21ads_cs8900_device = {
+	.name = "cs89x0",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(mx21ads_cs8900_resources),
+	.resource = mx21ads_cs8900_resources
+};
+
 static const struct imxuart_platform_data uart_pdata_rts __initconst = {
 	.flags = IMXUART_HAVE_RTSCTS,
 };
@@ -254,14 +273,13 @@ mx21ads_nand_board_info __initconst = {
 static struct map_desc mx21ads_io_desc[] __initdata = {
 	/*
 	 * Memory-mapped I/O on MX21ADS Base board:
-	 *   - CS8900A Ethernet controller
 	 *   - ST16C2552CJ UART
 	 *   - CPU and Base board version
 	 *   - Base board I/O register
 	 */
 	{
 		.virtual = MX21ADS_MMIO_BASE_ADDR,
-		.pfn = __phys_to_pfn(MX21_CS1_BASE_ADDR),
+		.pfn = __phys_to_pfn(MX21_CS1_BASE_ADDR + 0x200000),
 		.length = MX21ADS_MMIO_SIZE,
 		.type = MT_DEVICE,
 	},
@@ -275,6 +293,7 @@ static void __init mx21ads_map_io(void)
 
 static struct platform_device *platform_devices[] __initdata = {
 	&mx21ads_nor_mtd_device,
+	&mx21ads_cs8900_device,
 };
 
 static void __init mx21ads_board_init(void)
-- 
1.7.1

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