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Message-Id: <1326571095-27921-1-git-send-email-jaccon.bastiaansen@gmail.com>
Date: Sat, 14 Jan 2012 20:58:15 +0100
From: Jaccon Bastiaansen <jaccon.bastiaansen@...il.com>
To: 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,
Jaccon Bastiaansen <jaccon.bastiaansen@...il.com>
Subject: [PATCH V3 4/4] CS89x0 : add CS89x0 platform device to the iMX31ADS board
Add CS89x0 networking support to the iMX31ADS board by using the
platform driver support in the CS89x0 driver.
Signed-off-by: Jaccon Bastiaansen <jaccon.bastiaansen@...il.com>
---
arch/arm/configs/mx3_defconfig | 2 +
arch/arm/mach-imx/mach-mx31ads.c | 44 ++++++++++++++++++++++--
arch/arm/plat-mxc/include/mach/board-mx31ads.h | 33 ------------------
drivers/net/ethernet/cirrus/cs89x0.c | 7 ----
4 files changed, 43 insertions(+), 43 deletions(-)
delete mode 100644 arch/arm/plat-mxc/include/mach/board-mx31ads.h
diff --git a/arch/arm/configs/mx3_defconfig b/arch/arm/configs/mx3_defconfig
index cb0717f..5d2bc6e 100644
--- a/arch/arm/configs/mx3_defconfig
+++ b/arch/arm/configs/mx3_defconfig
@@ -66,6 +66,8 @@ CONFIG_NETDEVICES=y
CONFIG_SMSC_PHY=y
CONFIG_NET_ETHERNET=y
CONFIG_SMSC911X=y
+CONFIG_CS89x0=y
+CONFIG_CS89x0_PLATFORM=y
CONFIG_DNET=y
# CONFIG_NETDEV_1000 is not set
# CONFIG_NETDEV_10000 is not set
diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c
index 9cc1a49..5dd4163 100644
--- a/arch/arm/mach-imx/mach-mx31ads.c
+++ b/arch/arm/mach-imx/mach-mx31ads.c
@@ -28,7 +28,6 @@
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <mach/common.h>
-#include <mach/board-mx31ads.h>
#include <mach/iomux-mx3.h>
#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
@@ -39,6 +38,9 @@
#include "devices-imx31.h"
+/* Base address of PBC controller */
+#define PBC_BASE_ADDRESS MX31_CS4_BASE_ADDR_VIRT
+
/* PBC Board interrupt status register */
#define PBC_INTSTATUS 0x000016
@@ -62,6 +64,7 @@
#define PBC_INTMASK_CLEAR_REG (PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS)
#define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX31_PIN_GPIO1_4)
+#define MXC_EXP_IO_BASE MXC_BOARD_IRQ_START
#define MXC_IRQ_TO_EXPIO(irq) ((irq) - MXC_EXP_IO_BASE)
#define EXPIO_INT_XUART_INTA (MXC_EXP_IO_BASE + 10)
@@ -69,6 +72,11 @@
#define MXC_MAX_EXP_IO_LINES 16
+/* CS8900 */
+#define EXPIO_INT_ENET_INT (MXC_EXP_IO_BASE + 8)
+#define CS4_CS8900_MMIO_START 0x20000
+#define CS4_CS8900_MMIO_END 0x2FFFF
+
/*
* The serial port definition structure.
*/
@@ -101,11 +109,37 @@ static struct platform_device serial_device = {
},
};
+static const struct resource mx31ads_cs8900_resources[] __initconst = {
+ {
+ .start = MX31_CS4_BASE_ADDR + CS4_CS8900_MMIO_START,
+ .end = MX31_CS4_BASE_ADDR + CS4_CS8900_MMIO_END,
+ .flags = IORESOURCE_MEM
+ },
+ {
+ .start = EXPIO_INT_ENET_INT,
+ .end = EXPIO_INT_ENET_INT,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static const struct platform_device_info mx31ads_cs8900_devinfo __initconst = {
+ .name = "cs89x0",
+ .id = 0,
+ .res = mx31ads_cs8900_resources,
+ .num_res = ARRAY_SIZE(mx31ads_cs8900_resources),
+};
+
static int __init mxc_init_extuart(void)
{
return platform_device_register(&serial_device);
}
+static void __init mxc_init_ext_ethernet(void)
+{
+ platform_device_register_full(
+ (struct platform_device_info *)&mx31ads_cs8900_devinfo);
+}
+
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
@@ -492,12 +526,15 @@ static void __init mxc_init_audio(void)
mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi");
}
-/* static mappings */
+/*
+ * static mappings, starting from the CS4 start address up to the start address
+ * of the CS8900.
+ */
static struct map_desc mx31ads_io_desc[] __initdata = {
{
.virtual = MX31_CS4_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
- .length = MX31_CS4_SIZE / 2,
+ .length = CS4_CS8900_MMIO_START,
.type = MT_DEVICE
},
};
@@ -522,6 +559,7 @@ static void __init mx31ads_init(void)
mxc_init_imx_uart();
mxc_init_i2c();
mxc_init_audio();
+ mxc_init_ext_ethernet();
}
static void __init mx31ads_timer_init(void)
diff --git a/arch/arm/plat-mxc/include/mach/board-mx31ads.h b/arch/arm/plat-mxc/include/mach/board-mx31ads.h
deleted file mode 100644
index 94b60dd..0000000
--- a/arch/arm/plat-mxc/include/mach/board-mx31ads.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_ARCH_MXC_BOARD_MX31ADS_H__
-#define __ASM_ARCH_MXC_BOARD_MX31ADS_H__
-
-#include <mach/hardware.h>
-
-/*
- * These symbols are used by drivers/net/cs89x0.c.
- * This is ugly as hell, but we have to provide them until
- * someone fixed the driver.
- */
-
-/* Base address of PBC controller */
-#define PBC_BASE_ADDRESS MX31_CS4_BASE_ADDR_VIRT
-/* Offsets for the PBC Controller register */
-
-/* Ethernet Controller IO base address */
-#define PBC_CS8900A_IOBASE 0x020000
-
-#define MXC_EXP_IO_BASE (MXC_BOARD_IRQ_START)
-
-#define EXPIO_INT_ENET_INT (MXC_EXP_IO_BASE + 8)
-
-#endif /* __ASM_ARCH_MXC_BOARD_MX31ADS_H__ */
diff --git a/drivers/net/ethernet/cirrus/cs89x0.c b/drivers/net/ethernet/cirrus/cs89x0.c
index 9ae248e..40c11f6 100644
--- a/drivers/net/ethernet/cirrus/cs89x0.c
+++ b/drivers/net/ethernet/cirrus/cs89x0.c
@@ -182,13 +182,6 @@ static unsigned int cs8900_irq_map[] = {IRQ_IXDP2351_CS8900, 0, 0, 0};
#define CS89x0_NONISA_IRQ
static unsigned int netcard_portlist[] __used __initdata = {IXDP2X01_CS8900_VIRT_BASE, 0};
static unsigned int cs8900_irq_map[] = {IRQ_IXDP2X01_CS8900, 0, 0, 0};
-#elif defined(CONFIG_MACH_MX31ADS)
-#define CS89x0_NONISA_IRQ
-#include <mach/board-mx31ads.h>
-static unsigned int netcard_portlist[] __used __initdata = {
- PBC_BASE_ADDRESS + PBC_CS8900A_IOBASE + 0x300, 0
-};
-static unsigned cs8900_irq_map[] = {EXPIO_INT_ENET_INT, 0, 0, 0};
#else
#ifndef CONFIG_CS89x0_PLATFORM
static unsigned int netcard_portlist[] __used __initdata =
--
1.7.1
--
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