pb1000.h
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上传日期:2013-04-10
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- /*
- * 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 */
- #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
- 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 */