/*
* Alchemy Semi PB1000 Referrence Board
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* ########################################################################
*
*
*/
#ifndef __ASM_PB1000_H
#define __ASM_PB1000_H
/* PCMCIA PB1000 specific defines */
#define PCMCIA_MAX_SOCK 1
#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
#define PB1000_PCR 0xBE000000
#define PCR_SLOT_0_VPP0 (1<<0)
#define PCR_SLOT_0_VPP1 (1<<1)
#define PCR_SLOT_0_VCC0 (1<<2)
#define PCR_SLOT_0_VCC1 (1<<3)
#define PCR_SLOT_0_RST (1<<4)
#define PCR_SLOT_1_VPP0 (1<<8)
#define PCR_SLOT_1_VPP1 (1<<9)
#define PCR_SLOT_1_VCC0 (1<<10)
#define PCR_SLOT_1_VCC1 (1<<11)
#define PCR_SLOT_1_RST (1<<12)
#define PB1000_MDR 0xBE000004
#define MDR_PI (1<<5) /* pcmcia int latch */
#define MDR_EPI (1<<14) /* enable pcmcia int */
#define MDR_CPI (1<<15) /* clear pcmcia int */
#define PB1000_ACR1 0xBE000008
#define ACR1_SLOT_0_CD1 (1<<0) /* card detect 1 */
#define ACR1_SLOT_0_CD2 (1<<1) /* card detect 2 */
#define ACR1_SLOT_0_READY (1<<2) /* ready */
#define ACR1_SLOT_0_STATUS (1<<3) /* status change */
#define ACR1_SLOT_0_VS1 (1<<4) /* voltage sense 1 */
#define ACR1_SLOT_0_VS2 (1<<5) /* voltage sense 2 */
#define ACR1_SLOT_0_INPACK (1<<6) /* inpack pin status */
#define ACR1_SLOT_1_CD1 (1<<8) /* card detect 1 */
#define ACR1_SLOT_1_CD2 (1<<9) /* card detect 2 */
#define ACR1_SLOT_1_READY (1<<10) /* ready */
#define ACR1_SLOT_1_STATUS (1<<11) /* status change */
#define ACR1_SLOT_1_VS1 (1<<12) /* voltage sense 1 */
#define ACR1_SLOT_1_VS2 (1<<13) /* voltage sense 2 */
#define ACR1_SLOT_1_INPACK (1<<14) /* inpack pin status */
#define CPLD_AUX0 0xBE00000C
#define CPLD_AUX1 0xBE000010
#define CPLD_AUX2 0xBE000014
/* Voltage levels */
/* VPPEN1 - VPPEN0 */
#define VPP_GND ((0<<1) | (0<<0))
#define VPP_5V ((1<<1) | (0<<0))
#define VPP_3V ((0<<1) | (1<<0))
#define VPP_12V ((0<<1) | (1<<0))
#define VPP_HIZ ((1<<1) | (1<<0))
/* VCCEN1 - VCCEN0 */
#define VCC_3V ((0<<1) | (1<<0))
#define VCC_5V ((1<<1) | (0<<0))
#define VCC_HIZ ((0<<1) | (0<<0))
/* VPP/VCC */
#define SET_VCC_VPP(VCC, VPP, SLOT)\
((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
/* PCI PB1000 specific defines */
/* The reason these defines are here instead of au1000.h is because
* the Au1000 does not have a PCI bus controller so the PCI implementation
* on the some of the older Pb1000 boards was very board specific.
*/
#define PCI_CONFIG_BASE 0xBA020000 /* the only external slot */
#define SDRAM_DEVID 0xBA010000
#define SDRAM_CMD 0xBA010004
#define SDRAM_CLASS 0xBA010008
#define SDRAM_MISC 0xBA01000C
#define SDRAM_MBAR 0xBA010010
#define PCI_IO_DATA_PORT 0xBA800000
#define PCI_IO_ADDR 0xBE00001C
#define PCI_INT_ACK 0xBBC00000
#define PCI_IO_READ 0xBBC00020
#define PCI_IO_WRITE 0xBBC00030
#define PCI_BRIDGE_CONFIG 0xBE000018
#define PCI_IO_START 0x10000000
#define PCI_IO_END 0x1000ffff
#define PCI_MEM_START 0x18000000
#define PCI_MEM_END 0x18ffffff
#define PCI_FIRST_DEVFN 0
#define PCI_LAST_DEVFN 1
static inline u8 au_pci_io_readb(u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<12), PCI_BRIDGE_CONFIG);
return (readl(PCI_IO_DATA_PORT) & 0xff);
}
static inline u16 au_pci_io_readw(u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<13), PCI_BRIDGE_CONFIG);
return (readl(PCI_IO_DATA_PORT) & 0xffff);
}
static inline u32 au_pci_io_readl(u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff), PCI_BRIDGE_CONFIG);
return readl(PCI_IO_DATA_PORT);
}
static inline void au_pci_io_writeb(u8 val, u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<12), PCI_BRIDGE_CONFIG);
writel(val, PCI_IO_DATA_PORT);
}
static inline void au_pci_io_writew(u16 val, u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<13), PCI_BRIDGE_CONFIG);
writel(val, PCI_IO_DATA_PORT);
}
static inline void au_pci_io_writel(u32 val, u32 addr)
{
writel(addr, PCI_IO_ADDR);
writel(readl(PCI_BRIDGE_CONFIG) & 0xffffcfff, PCI_BRIDGE_CONFIG);
writel(val, PCI_IO_DATA_PORT);
}
static inline void set_sdram_extbyte(void)
{
writel(readl(PCI_BRIDGE_CONFIG) & 0xffffff00, PCI_BRIDGE_CONFIG);
}
static inline void set_slot_extbyte(void)
{
writel((readl(PCI_BRIDGE_CONFIG) & 0xffffbf00) | 0x18, PCI_BRIDGE_CONFIG);
}
#endif /* __ASM_PB1000_H */
