linux_2_6_14_cs8900.diff

skyeye for pxa270

+    dev->dev_addr[4] = 0x78;
+    dev->dev_addr[5] = 0x9a;
+#endif
+
+	dev->if_port   = IF_PORT_10BASET;
+	dev->priv      = (void *) &priv;
+
+	spin_lock_init(&priv.lock);
+
+	SET_MODULE_OWNER (dev);
+
+#ifdef CONFIG_SA1100_FRODO
+	dev->base_addr = FRODO_ETH_IO + 0x300;
+	dev->irq = FRODO_ETH_IRQ;
+	frodo_reset (dev);
+#endif	/* #ifdef CONFIG_SA1100_FRODO */
+
+#if defined(CONFIG_SA1100_CERF)
+	dev->base_addr = CERF_ETH_IO + 0x300;
+	dev->irq = CERF_ETH_IRQ;
+#endif /* #if defined(CONFIG_SA1100_CERF) */
+
+#if defined(CONFIG_ARCH_SMDK2410)
+	dev->base_addr = vSMDK2410_ETH_IO + 0x300;
+	dev->irq = SMDK2410_ETH_IRQ;
+#endif /* #if defined(CONFIG_ARCH_SMDK2410) */ 
+
+	if ((result = check_mem_region (dev->base_addr, 16))) {
+		printk (KERN_ERR "%s: can't get I/O port address 0x%lx\n",dev->name,dev->base_addr);
+		return (result);
+	}
+	request_mem_region (dev->base_addr, 16, dev->name);
+	
+	/* verify EISA registration number for Cirrus Logic */
+	if ((value = cs8900_read (dev,PP_ProductID)) != EISA_REG_CODE) {
+		printk (KERN_ERR "%s: incorrect signature 0x%.4x\n",dev->name,value);
+		return (-ENXIO);
+	}
+
+	/* verify chip version */
+	value = cs8900_read (dev,PP_ProductID + 2);
+	if (VERSION (value) != CS8900A) {
+		printk (KERN_ERR "%s: unknown chip version 0x%.8x\n",dev->name,VERSION (value));
+		return (-ENXIO);
+	}
+	/* setup interrupt number */
+	cs8900_write (dev,PP_IntNum,0);
+
+	/* If an EEPROM is present, use it's MAC address. A valid EEPROM will 
+	 * initialize the registers automatically.
+	 */
+	result = cs8900_eeprom (dev);
+
+	printk (KERN_INFO "%s: CS8900A rev %c at %#lx irq=%d",
+		dev->name,'B' + REVISION (value) - REV_B, dev->base_addr, dev->irq);
+	if (result == -ENODEV) {
+		/* no eeprom or invalid config block, configure MAC address by hand */
+		for (i = 0; i < ETH_ALEN; i += 2)
+			cs8900_write (dev,PP_IA + i,dev->dev_addr[i] | (dev->dev_addr[i + 1] << 8));
+		printk (", no eeprom ");
+	}
+	else if( result == -EFAULT)
+	{
+#if defined(CONFIG_SA1100_CERF)
+	    /* The default eeprom layout doesn't follow the cs8900 layout 
+		 * that enables automatic cs8900 initialization. Doh!
+		 * Read the mac address manually.
+		 */
+		u16 MAC_addr[3] = {0, 0, 0};
+
+		if (cs8900_eeprom_read(dev, &MAC_addr[0], 0x1c) == -1)
+			printk("\ncs8900: [CERF] EEPROM[0] read failed\n");
+		if (cs8900_eeprom_read(dev, &MAC_addr[1], 0x1d) == -1)
+			printk("\ncs8900: [CERF] EEPROM[1] read failed\n");
+		if (cs8900_eeprom_read(dev, &MAC_addr[2], 0x1e) == -1)
+			printk("\ncs8900: [CERF] EEPROM[2] read failed\n");
+
+		for (i = 0; i < ETH_ALEN / 2; i++)
+		{
+			dev->dev_addr[i*2]	= MAC_addr[i] & 0xff;
+			dev->dev_addr[i*2+1]	= (MAC_addr[i] >> 8) & 0xff;
+
+			cs8900_write (dev,PP_IA + i*2,dev->dev_addr[i*2] | (dev->dev_addr[i*2 + 1] << 8));
+		}
+		printk (", eeprom (smdk2410 layout)");
+#else
+		printk (", eeprom (invalid config block)");
+#endif /* #if defined(CONFIG_SA1100_CERF) */
+	}
+	else
+	{
+		printk (", eeprom ok");
+	}
+
+	printk (", addr:");
+	for (i = 0; i < ETH_ALEN; i += 2)
+	{
+		u16 mac = cs8900_read (dev,PP_IA + i);
+		printk ("%c%02X:%2X", (i==0)?' ':':', mac & 0xff, (mac >> 8));
+	}
+	printk ("\n");
+
+	return (0);
+}
+
+static int __init cs8900_init (void)
+{
+	strcpy(cs8900_dev.name, "eth%d");
+
+	return (register_netdev (&cs8900_dev));
+}
+
+static void __exit cs8900_cleanup (void)
+{
+	cs8900_t *priv = (cs8900_t *) cs8900_dev.priv;
+	if( priv->char_devnum)
+	{
+		unregister_chrdev(priv->char_devnum,"cs8900_eeprom");
+	}
+	release_mem_region (cs8900_dev.base_addr,16);
+	unregister_netdev (&cs8900_dev);
+}
+
+MODULE_AUTHOR ("Abraham van der Merwe <abraham at 2d3d.co.za>");
+MODULE_DESCRIPTION (VERSION_STRING);
+MODULE_LICENSE ("GPL");
+
+module_init (cs8900_init);
+module_exit (cs8900_cleanup);
diff -Nur linux-2.6.14/drivers/net/arm/cs8900.h linux-2.6.14_cs8900/drivers/net/arm/cs8900.h
--- linux-2.6.14/drivers/net/arm/cs8900.h	1970-01-01 08:00:00.000000000 +0800
+++ linux-2.6.14_cs8900/drivers/net/arm/cs8900.h	2008-02-03 23:15:49.000000000 +0800
@@ -0,0 +1,237 @@
+#ifndef CS8900_H
+#define CS8900_H
+
+/*
+ * linux/drivers/net/cs8900.h
+ *
+ * Author: Abraham van der Merwe <abraham at 2d3d.co.za>
+ *
+ * A Cirrus Logic CS8900A driver for Linux
+ * based on the cs89x0 driver written by Russell Nelson,
+ * Donald Becker, and others.
+ *
+ * This source code 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.
+ */
+
+/*
+ * Ports
+ */
+
+#define PP_Address		0x0a	/* PacketPage Pointer Port (Section 4.10.10) */
+#define PP_Data			0x0c	/* PacketPage Data Port (Section 4.10.10) */
+
+/*
+ * Registers
+ */
+
+#define PP_ProductID		0x0000	/* Section 4.3.1   Product Identification Code */
+#define PP_MemBase			0x002c	/* Section 4.9.2   Memory Base Address Register */
+#define PP_IntNum			0x0022	/* Section 3.2.3   Interrupt Number */
+#define PP_EEPROMCommand	0x0040	/* Section 4.3.11  EEPROM Command */
+#define PP_EEPROMData		0x0042	/* Section 4.3.12  EEPROM Data */
+#define PP_RxCFG			0x0102	/* Section 4.4.6   Receiver Configuration */
+#define PP_RxCTL			0x0104	/* Section 4.4.8   Receiver Control */
+#define PP_TxCFG			0x0106	/* Section 4.4.9   Transmit Configuration */
+#define PP_BufCFG			0x010a	/* Section 4.4.12  Buffer Configuration */
+#define PP_LineCTL			0x0112	/* Section 4.4.16  Line Control */
+#define PP_SelfCTL			0x0114	/* Section 4.4.18  Self Control */
+#define PP_BusCTL			0x0116	/* Section 4.4.20  Bus Control */
+#define PP_TestCTL			0x0118	/* Section 4.4.22  Test Control */
+#define PP_ISQ				0x0120	/* Section 4.4.5   Interrupt Status Queue */
+#define PP_TxEvent			0x0128	/* Section 4.4.10  Transmitter Event */
+#define PP_BufEvent			0x012c	/* Section 4.4.13  Buffer Event */
+#define PP_RxMISS			0x0130	/* Section 4.4.14  Receiver Miss Counter */
+#define PP_TxCOL			0x0132	/* Section 4.4.15  Transmit Collision Counter */
+#define PP_SelfST			0x0136	/* Section 4.4.19  Self Status */
+#define PP_BusST			0x0138	/* Section 4.4.21  Bus Status */
+#define PP_TxCMD			0x0144	/* Section 4.4.11  Transmit Command */
+#define PP_TxLength			0x0146	/* Section 4.5.2   Transmit Length */
+#define PP_IA				0x0158	/* Section 4.6.2   Individual Address (IEEE Address) */
+#define PP_RxStatus			0x0400	/* Section 4.7.1   Receive Status */
+#define PP_RxLength			0x0402	/* Section 4.7.1   Receive Length (in bytes) */
+#define PP_RxFrame			0x0404	/* Section 4.7.2   Receive Frame Location */
+#define PP_TxFrame			0x0a00	/* Section 4.7.2   Transmit Frame Location */
+
+/*
+ * Values
+ */
+
+/* PP_IntNum */
+#define INTRQ0			0x0000
+#define INTRQ1			0x0001
+#define INTRQ2			0x0002
+#define INTRQ3			0x0003
+
+/* PP_ProductID */
+#define EISA_REG_CODE	0x630e
+#define REVISION(x)		(((x) & 0x1f00) >> 8)
+#define VERSION(x)		((x) & ~0x1f00)
+
+#define CS8900A			0x0000
+#define REV_B			7
+#define REV_C			8
+#define REV_D			9
+
+/* PP_RxCFG */
+#define Skip_1			0x0040
+#define StreamE			0x0080
+#define RxOKiE			0x0100
+#define RxDMAonly		0x0200
+#define AutoRxDMAE		0x0400
+#define BufferCRC		0x0800
+#define CRCerroriE		0x1000
+#define RuntiE			0x2000
+#define ExtradataiE		0x4000
+
+/* PP_RxCTL */
+#define IAHashA			0x0040
+#define PromiscuousA	0x0080
+#define RxOKA			0x0100
+#define MulticastA		0x0200
+#define IndividualA		0x0400
+#define BroadcastA		0x0800
+#define CRCerrorA		0x1000
+#define RuntA			0x2000
+#define ExtradataA		0x4000
+
+/* PP_TxCFG */
+#define Loss_of_CRSiE	0x0040
+#define SQErroriE		0x0080
+#define TxOKiE			0x0100
+#define Out_of_windowiE	0x0200
+#define JabberiE		0x0400
+#define AnycolliE		0x0800
+#define T16colliE		0x8000
+
+/* PP_BufCFG */
+#define SWint_X			0x0040
+#define RxDMAiE			0x0080
+#define Rdy4TxiE		0x0100
+#define TxUnderruniE	0x0200
+#define RxMissiE		0x0400
+#define Rx128iE			0x0800
+#define TxColOvfiE		0x1000
+#define MissOvfloiE		0x2000
+#define RxDestiE		0x8000
+
+/* PP_LineCTL */
+#define SerRxON			0x0040
+#define SerTxON			0x0080
+#define AUIonly			0x0100
+#define AutoAUI_10BT	0x0200
+#define ModBackoffE		0x0800
+#define PolarityDis		0x1000
+#define L2_partDefDis	0x2000
+#define LoRxSquelch		0x4000
+
+/* PP_SelfCTL */
+#define RESET			0x0040
+#define SWSuspend		0x0100
+#define HWSleepE		0x0200
+#define HWStandbyE		0x0400
+#define HC0E			0x1000
+#define HC1E			0x2000
+#define HCB0			0x4000
+#define HCB1			0x8000
+
+/* PP_BusCTL */
+#define ResetRxDMA		0x0040
+#define DMAextend		0x0100
+#define UseSA			0x0200
+#define MemoryE			0x0400
+#define DMABurst		0x0800
+#define IOCHRDYE		0x1000
+#define RxDMAsize		0x2000
+#define EnableRQ		0x8000
+
+/* PP_TestCTL */
+#define DisableLT		0x0080
+#define ENDECloop		0x0200
+#define AUIloop			0x0400
+#define DisableBackoff	0x0800
+#define FDX				0x4000
+
+/* PP_ISQ */
+#define RegNum(x) ((x) & 0x3f)
+#define RegContent(x) ((x) & ~0x3d)
+
+#define RxEvent			0x0004
+#define TxEvent			0x0008
+#define BufEvent		0x000c
+#define RxMISS			0x0010
+#define TxCOL			0x0012
+
+/* PP_RxStatus */
+#define IAHash			0x0040
+#define Dribblebits		0x0080
+#define RxOK			0x0100
+#define Hashed			0x0200
+#define IndividualAdr	0x0400
+#define Broadcast		0x0800
+#define CRCerror		0x1000
+#define Runt			0x2000
+#define Extradata		0x4000
+
+#define HashTableIndex(x) ((x) >> 0xa)
+
+/* PP_TxCMD */
+#define After5			0
+#define After381		1
+#define After1021		2
+#define AfterAll		3
+#define TxStart(x) ((x) << 6)
+
+#define Force			0x0100
+#define Onecoll			0x0200
+#define InhibitCRC		0x1000
+#define TxPadDis		0x2000
+
+/* PP_BusST */
+#define TxBidErr		0x0080
+#define Rdy4TxNOW		0x0100
+
+/* PP_TxEvent */
+#define Loss_of_CRS		0x0040
+#define SQEerror		0x0080
+#define TxOK			0x0100
+#define Out_of_window	0x0200
+#define Jabber			0x0400
+#define T16coll			0x8000
+
+#define TX_collisions(x) (((x) >> 0xb) & ~0x8000)
+
+/* PP_BufEvent */
+#define SWint			0x0040
+#define RxDMAFrame		0x0080
+#define Rdy4Tx			0x0100
+#define TxUnderrun		0x0200
+#define RxMiss			0x0400
+#define Rx128			0x0800
+#define RxDest			0x8000
+
+/* PP_RxMISS */
+#define MissCount(x) ((x) >> 6)
+
+/* PP_TxCOL */
+#define ColCount(x) ((x) >> 6)
+
+/* PP_SelfST */
+#define T3VActive		0x0040
+#define INITD			0x0080
+#define SIBUSY			0x0100
+#define EEPROMpresent	0x0200
+#define EEPROMOK		0x0400
+#define ELpresent		0x0800
+#define EEsize			0x1000
+
+/* PP_EEPROMCommand */
+#define EEWriteEnable   0x00F0
+#define EEWriteDisable  0x0000
+#define EEWriteRegister	0x0100
+#define EEReadRegister	0x0200
+#define EEEraseRegister	0x0300
+#define ELSEL			0x0400
+
+#endif	/* #ifndef CS8900_H */
diff -Nur linux-2.6.14/drivers/net/arm/Kconfig linux-2.6.14_cs8900/drivers/net/arm/Kconfig
--- linux-2.6.14/drivers/net/arm/Kconfig	2005-10-28 08:02:08.000000000 +0800
+++ linux-2.6.14_cs8900/drivers/net/arm/Kconfig	2008-02-03 23:16:28.000000000 +0800
@@ -44,3 +44,11 @@
 	  will generate a suitable hw address based on the board serial
 	  number (MTD support is required for this). Otherwise you will
 	  need to set a suitable hw address using ifconfig.
+config ARM_CS8900
+        tristate "CS8900 support"
+        depends on NET_ETHERNET && ARM && ARCH_SMDK2410
+        help
+          Support for CS8900A chipset based Ethernet cards. If you have a network
+          (Ethernet) card of this type, say Y and read the Ethernet-HOWTO, available
+          from as well as .To compile this driver as a module, choose M here and read.
+          The module will be called cs8900.o.
diff -Nur linux-2.6.14/drivers/net/arm/Makefile linux-2.6.14_cs8900/drivers/net/arm/Makefile
--- linux-2.6.14/drivers/net/arm/Makefile	2005-10-28 08:02:08.000000000 +0800
+++ linux-2.6.14_cs8900/drivers/net/arm/Makefile	2008-02-03 23:44:15.000000000 +0800
@@ -8,3 +8,4 @@
 obj-$(CONFIG_ARM_ETHERH)	+= etherh.o
 obj-$(CONFIG_ARM_ETHER3)	+= ether3.o
 obj-$(CONFIG_ARM_ETHER1)	+= ether1.o
+obj-$(CONFIG_ARM_CS8900) 	+= cs8900.o
diff -Nur linux-2.6.14/include/asm-arm/arch-s3c2410/smdk2410.h linux-2.6.14_cs8900/include/asm-arm/arch-s3c2410/smdk2410.h
--- linux-2.6.14/include/asm-arm/arch-s3c2410/smdk2410.h	1970-01-01 08:00:00.000000000 +0800
+++ linux-2.6.14_cs8900/include/asm-arm/arch-s3c2410/smdk2410.h	2008-02-03 23:05:36.000000000 +0800
@@ -0,0 +1,7 @@
+#ifndef _INCLUDE_SMDK2410_H_
+#define _INCLUDE_SMDK2410_H_
+#include <asm/arch/irqs.h>
+#define pSMDK2410_ETH_IO 0x19000000
+#define vSMDK2410_ETH_IO 0xE0000000
+#define SMDK2410_ETH_IRQ IRQ_EINT9
+#endif // _INCLUDE_SMDK2410_H_