[PATCH] ARM: Reverted 2918/1: [update] Base port of Comdial MP1000 platfrom

No longer maintained

1 files changed, 0 insertions, 195 deletions

diff --git a/arch/arm/mach-clps711x/mp1000-seprom.c b/arch/arm/mach-clps711x/mp1000-seprom.c
deleted file mode 100644
index b22d0bebb85..00000000000
--- a/arch/arm/mach-clps711x/mp1000-seprom.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/*`
- * mp1000-seprom.c
- *
- *  This file contains the Serial EEPROM code for the MP1000 board
- *
- *  Copyright (C) 2005 Comdial Corporation
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <asm/hardware.h>
-#include <asm/hardware/clps7111.h>
-#include <asm/arch/mp1000-seprom.h>
-
-/* If SepromInit() can initialize and checksum the seprom successfully, */
-/* then it will point seprom_data_ptr at the shadow copy.  */
-
-static eeprom_struct seprom_data;			/* shadow copy of seprom content */
-
-eeprom_struct *seprom_data_ptr = 0;		/* 0 => not initialized */
-
-/*
- * Port D Bit 5 is Chip Select for EEPROM
- * Port E Bit 0 is Input, Data out from EEPROM
- * Port E Bit 1 is Output, Data in to EEPROM
- * Port E Bit 2 is Output, CLK to EEPROM
- */
-
-static char *port_d_ptr = (char *)(CLPS7111_VIRT_BASE + PDDR);
-static char *port_e_ptr = (char *)(CLPS7111_VIRT_BASE + PEDR);
-
-#define NO_OF_SHORTS	64	// Device is 64 x 16 bits
-#define ENABLE_RW	0
-#define DISABLE_RW	1
-
-static inline void toggle_seprom_clock(void)
-{
-	*port_e_ptr |= HwPortESepromCLK;
-	*port_e_ptr &= ~(HwPortESepromCLK);
-}
-
-static inline void select_eeprom(void)
-{
-	*port_d_ptr |= HwPortDEECS;
-	*port_e_ptr &= ~(HwPortESepromCLK);
-}
-
-static inline void deselect_eeprom(void)
-{
-	*port_d_ptr &= ~(HwPortDEECS);
-	*port_e_ptr &= ~(HwPortESepromDIn);
-}
-
-/*
- * GetSepromDataPtr - returns pointer to shadow (RAM) copy of seprom
- *                    and returns 0 if seprom is not initialized or
- *                    has a checksum error.
- */
-
-eeprom_struct* get_seprom_ptr(void)
-{
-	return seprom_data_ptr;
-}
-
-unsigned char* get_eeprom_mac_address(void)
-{
-	return seprom_data_ptr->variant.eprom_struct.mac_Address;
-}
-
-/*
- * ReadSProm, Physically reads data from the Serial PROM
- */
-static void read_sprom(short address, int length, eeprom_struct *buffer)
-{
-	short data = COMMAND_READ | (address & 0x3F);
-	short bit;
-	int i;
-
-	select_eeprom();
-
-	// Clock in 9 bits of the command
-	for (i = 0, bit = 0x100; i < 9; i++, bit >>= 1) {
-		if (data & bit)
-			*port_e_ptr |= HwPortESepromDIn;
-		else
-			*port_e_ptr &= ~(HwPortESepromDIn);
-
-		toggle_seprom_clock();
-	}
-
-	//
-	// Now read one or more shorts of data from the Seprom
-	//
-	while (length-- > 0) {
-		data = 0;
-
-		// Read 16 bits at a time
-		for (i = 0; i < 16; i++) {
-			data <<= 1;
-			toggle_seprom_clock();
-			data |= *port_e_ptr & HwPortESepromDOut;
-
-		}
-
-		buffer->variant.eprom_short_data[address++] = data;
-	}
-
-	deselect_eeprom();
-
-	return;
-}
-
-
-
-/*
- * ReadSerialPROM
- *
- * Input: Pointer to array of 64 x 16 Bits
- *
- * Output: if no problem reading data is filled in
- */
-static void read_serial_prom(eeprom_struct *data)
-{
-	read_sprom(0, 64, data);
-}
-
-
-//
-// Compute Serial EEPROM checksum
-//
-// Input: Pointer to struct with Eprom data
-//
-// Output: The computed Eprom checksum
-//
-static short compute_seprom_checksum(eeprom_struct *data)
-{
-	short checksum = 0;
-	int i;
-
-	for (i = 0; i < 126; i++) {
-		checksum += (short)data->variant.eprom_byte_data[i];
-	}
-
-	return((short)(0x5555 - (checksum & 0xFFFF)));
-}
-
-//
-// Make sure the data port bits for the SEPROM are correctly initialised
-//
-
-void __init seprom_init(void)
-{
-	short checksum;
-
-	// Init Port D
-	*(char *)(CLPS7111_VIRT_BASE + PDDDR) = 0x0;
-	*(char *)(CLPS7111_VIRT_BASE + PDDR) = 0x15;
-
-	// Init Port E
-	*(int *)(CLPS7111_VIRT_BASE + PEDDR) = 0x06;
-	*(int *)(CLPS7111_VIRT_BASE + PEDR) = 0x04;
-
-	//
-	// Make sure that EEPROM struct size never exceeds 128 bytes
-	//
-	if (sizeof(eeprom_struct) > 128) {
-		panic("Serial PROM struct size > 128, aborting read\n");
-	}
-
-	read_serial_prom(&seprom_data);
-
-	checksum = compute_seprom_checksum(&seprom_data);
-
-	if (checksum != seprom_data.variant.eprom_short_data[63]) {
-		panic("Serial EEPROM checksum failed\n");
-	}
-
-	seprom_data_ptr = &seprom_data;
-}
-