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Diffstat (limited to 'arch/mn10300/unit-asb2364/include/unit/smsc911x.h')
-rw-r--r--arch/mn10300/unit-asb2364/include/unit/smsc911x.h171
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 */