mn10300: Remove the architecture

Remove the MN10300 arch as the hardware is defunct.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>
cc: linux-am33-list@redhat.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 171 deletions

diff --git a/arch/mn10300/unit-asb2364/include/unit/smsc911x.h b/arch/mn10300/unit-asb2364/include/unit/smsc911x.h
deleted file mode 100644
index 4c1ede535fa9..000000000000
--- a/arch/mn10300/unit-asb2364/include/unit/smsc911x.h
+++ /dev/null
@@ -1,171 +0,0 @@
-/* Support for the SMSC911x NIC
- *
- * Copyright (C) 2006 Matsushita Electric Industrial Co., Ltd.
- * 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
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#ifndef _ASM_UNIT_SMSC911X_H
-#define _ASM_UNIT_SMSC911X_H
-
-#include <linux/netdevice.h>
-#include <proc/irq.h>
-#include <unit/fpga-regs.h>
-
-#define MN10300_USE_EXT_EEPROM
-
-
-#define SMSC911X_BASE		0xA8000000UL
-#define SMSC911X_BASE_END	0xA8000100UL
-#define SMSC911X_IRQ		FPGA_LAN_IRQ
-
-/*
- * Allow the FPGA to be initialised by the SMSC911x driver
- */
-#undef SMSC_INITIALIZE
-#define SMSC_INITIALIZE()					\
-do {								\
-	/* release reset */					\
-	ASB2364_FPGA_REG_RESET_LAN = 0x0001;			\
-	SyncExBus();						\
-} while (0)
-
-#ifdef MN10300_USE_EXT_EEPROM
-#include <linux/delay.h>
-#include <unit/clock.h>
-
-#define EEPROM_ADDRESS	0xA0
-#define MAC_OFFSET	0x0008
-#define USE_IIC_CH	0	/* 0 or 1 */
-#define IIC_OFFSET	(0x80000 * USE_IIC_CH)
-#define IIC_DTRM	__SYSREG(0xd8400000 + IIC_OFFSET, u32)
-#define IIC_DREC	__SYSREG(0xd8400004 + IIC_OFFSET, u32)
-#define IIC_MYADD	__SYSREG(0xd8400008 + IIC_OFFSET, u32)
-#define IIC_CLK		__SYSREG(0xd840000c + IIC_OFFSET, u32)
-#define IIC_BRST	__SYSREG(0xd8400010 + IIC_OFFSET, u32)
-#define IIC_HOLD	__SYSREG(0xd8400014 + IIC_OFFSET, u32)
-#define IIC_BSTS	__SYSREG(0xd8400018 + IIC_OFFSET, u32)
-#define IIC_ICR		__SYSREG(0xd4000080 + 4 * USE_IIC_CH, u16)
-
-#define IIC_CLK_PLS	((unsigned short)(MN10300_IOCLK / 100000 - 1))
-#define IIC_CLK_LOW	((unsigned short)(IIC_CLK_PLS / 2))
-
-#define SYS_IIC_DTRM_Bit_STA	((unsigned short)0x0400)
-#define SYS_IIC_DTRM_Bit_STO	((unsigned short)0x0200)
-#define SYS_IIC_DTRM_Bit_ACK	((unsigned short)0x0100)
-#define SYS_IIC_DTRM_Bit_DATA	((unsigned short)0x00FF)
-
-static inline void POLL_INT_REQ(volatile u16 *icr)
-{
-	unsigned long flags;
-	u16 tmp;
-
-	while (!(*icr & GxICR_REQUEST))
-		;
-	flags = arch_local_cli_save();
-	tmp = *icr;
-	*icr = (tmp & GxICR_LEVEL) | GxICR_DETECT;
-	tmp = *icr;
-	arch_local_irq_restore(flags);
-}
-
-/*
- * Implement the SMSC911x hook for MAC address retrieval
- */
-#undef smsc_get_mac
-static inline int smsc_get_mac(struct net_device *dev)
-{
-	unsigned char *mac_buf = dev->dev_addr;
-	int i;
-	unsigned short value;
-	unsigned int data;
-	int mac_length = 6;
-	int check;
-	u16 orig_gicr, tmp;
-	unsigned long flags;
-
-	/* save original GnICR and clear GnICR.IE */
-	flags = arch_local_cli_save();
-	orig_gicr = IIC_ICR;
-	IIC_ICR = orig_gicr & GxICR_LEVEL;
-	tmp = IIC_ICR;
-	arch_local_irq_restore(flags);
-
-	IIC_MYADD = 0x00000008;
-	IIC_CLK = (IIC_CLK_LOW << 16) + (IIC_CLK_PLS);
-	/* bus hung recovery */
-
-	while (1) {
-		check = 0;
-		for (i = 0; i < 3; i++) {
-			if ((IIC_BSTS & 0x00000003) == 0x00000003)
-				check++;
-			udelay(3);
-		}
-
-		if (check == 3) {
-			IIC_BRST = 0x00000003;
-			break;
-		} else {
-			for (i = 0; i < 3; i++) {
-				IIC_BRST = 0x00000002;
-				udelay(8);
-				IIC_BRST = 0x00000003;
-				udelay(8);
-			}
-		}
-	}
-
-	IIC_BRST = 0x00000002;
-	IIC_BRST = 0x00000003;
-
-	value	=  SYS_IIC_DTRM_Bit_STA | SYS_IIC_DTRM_Bit_ACK;
-	value	|= (((unsigned short)EEPROM_ADDRESS & SYS_IIC_DTRM_Bit_DATA) |
-		    (unsigned short)0x0000);
-	IIC_DTRM = value;
-	POLL_INT_REQ(&IIC_ICR);
-
-	/** send offset of MAC address in EEPROM **/
-	IIC_DTRM = (unsigned char)((MAC_OFFSET & 0xFF00) >> 8);
-	POLL_INT_REQ(&IIC_ICR);
-
-	IIC_DTRM = (unsigned char)(MAC_OFFSET & 0x00FF);
-	POLL_INT_REQ(&IIC_ICR);
-
-	udelay(1000);
-
-	value	=  SYS_IIC_DTRM_Bit_STA;
-	value	|= (((unsigned short)EEPROM_ADDRESS & SYS_IIC_DTRM_Bit_DATA) |
-		    (unsigned short)0x0001);
-	IIC_DTRM = value;
-	POLL_INT_REQ(&IIC_ICR);
-
-	IIC_DTRM = 0x00000000;
-	while (mac_length > 0) {
-		POLL_INT_REQ(&IIC_ICR);
-
-		data = IIC_DREC;
-		mac_length--;
-		if (mac_length == 0)
-			value = 0x00000300;	/* stop IIC bus */
-		else if (mac_length == 1)
-			value = 0x00000100;	/* no ack */
-		else
-			value = 0x00000000;	/* ack */
-		IIC_DTRM = value;
-		*mac_buf++ = (unsigned char)(data & 0xff);
-	}
-
-	/* restore GnICR.LV and GnICR.IE */
-	flags = arch_local_cli_save();
-	IIC_ICR = (orig_gicr & (GxICR_LEVEL | GxICR_ENABLE));
-	tmp = IIC_ICR;
-	arch_local_irq_restore(flags);
-
-	return 0;
-}
-#endif /* MN10300_USE_EXT_EEPROM */
-#endif /* _ASM_UNIT_SMSC911X_H */