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/*
* Copyright (C) 2007 Freescale Semiconductor, Inc.
*
* Tony Li <tony.li@freescale.com>
*
* 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;
*/
#include <common.h>
#include <i2c.h>
#include <asm/io.h>
#include "pq-mds-pib.h"
int pib_init(void)
{
u8 val8;
u8 orig_i2c_bus;
/* Switch temporarily to I2C bus #2 */
orig_i2c_bus = i2c_get_bus_num();
i2c_set_bus_num(1);
val8 = 0;
#if defined(CONFIG_PCI) && !defined(CONFIG_PCISLAVE)
/* Assign PIB PMC slot to desired PCI bus */
i2c_write(0x23, 0x6, 1, &val8, 1);
i2c_write(0x23, 0x7, 1, &val8, 1);
val8 = 0xff;
i2c_write(0x23, 0x2, 1, &val8, 1);
i2c_write(0x23, 0x3, 1, &val8, 1);
val8 = 0;
i2c_write(0x26, 0x6, 1, &val8, 1);
val8 = 0x34;
i2c_write(0x26, 0x7, 1, &val8, 1);
#if defined(CONFIG_TARGET_MPC832XEMDS)
val8 = 0xf9; /* PMC2, PMC3 slot to PCI bus */
#else
val8 = 0xf3; /* PMC1, PMC2, PMC3 slot to PCI bus */
#endif
i2c_write(0x26, 0x2, 1, &val8, 1);
val8 = 0xff;
i2c_write(0x26, 0x3, 1, &val8, 1);
val8 = 0;
i2c_write(0x27, 0x6, 1, &val8, 1);
i2c_write(0x27, 0x7, 1, &val8, 1);
val8 = 0xff;
i2c_write(0x27, 0x2, 1, &val8, 1);
val8 = 0xef;
i2c_write(0x27, 0x3, 1, &val8, 1);
eieio();
#if defined(CONFIG_TARGET_MPC832XEMDS)
printf("PCI 32bit bus on PMC2 &PMC3\n");
#else
printf("PCI 32bit bus on PMC1 & PMC2 &PMC3\n");
#endif
#endif
#if defined(CONFIG_PQ_MDS_PIB_ATM)
#if defined(CONFIG_TARGET_MPC8569MDS)
val8 = 0;
i2c_write(0x20, 0x6, 1, &val8, 1);
i2c_write(0x20, 0x7, 1, &val8, 1);
val8 = 0xdf;
i2c_write(0x20, 0x2, 1, &val8, 1);
val8 = 0xf7;
i2c_write(0x20, 0x3, 1, &val8, 1);
eieio();
printf("QOC3 ATM card on PMC0\n");
#elif defined(CONFIG_TARGET_MPC832XEMDS)
val8 = 0;
i2c_write(0x26, 0x7, 1, &val8, 1);
val8 = 0xf7;
i2c_write(0x26, 0x3, 1, &val8, 1);
val8 = 0;
i2c_write(0x21, 0x6, 1, &val8, 1);
i2c_write(0x21, 0x7, 1, &val8, 1);
val8 = 0xdf;
i2c_write(0x21, 0x2, 1, &val8, 1);
val8 = 0xef;
i2c_write(0x21, 0x3, 1, &val8, 1);
eieio();
printf("QOC3 ATM card on PMC1\n");
#endif
#endif
/* Reset to original I2C bus */
i2c_set_bus_num(orig_i2c_bus);
return 0;
}
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