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Diffstat (limited to 'include/asm-mips/mach-pb1x00/pb1000.h')
| -rw-r--r-- | include/asm-mips/mach-pb1x00/pb1000.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/include/asm-mips/mach-pb1x00/pb1000.h b/include/asm-mips/mach-pb1x00/pb1000.h new file mode 100644 index 000000000000..50c1e413a688 --- /dev/null +++ b/include/asm-mips/mach-pb1x00/pb1000.h @@ -0,0 +1,172 @@ +/* + * 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 */ |