diff options
Diffstat (limited to 'arch/mips/include/asm/mach-pb1x00/pb1200.h')
| -rw-r--r-- | arch/mips/include/asm/mach-pb1x00/pb1200.h | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-pb1x00/pb1200.h b/arch/mips/include/asm/mach-pb1x00/pb1200.h new file mode 100644 index 000000000000..c8618df88cb5 --- /dev/null +++ b/arch/mips/include/asm/mach-pb1x00/pb1200.h @@ -0,0 +1,259 @@ +/* + * AMD Alchemy Pb1200 Referrence Board + * Board Registers defines. + * + * ######################################################################## + * + * 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_PB1200_H +#define __ASM_PB1200_H + +#include <linux/types.h> +#include <asm/mach-au1x00/au1xxx_psc.h> + +#define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX +#define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX +#define DBDMA_I2S_TX_CHAN DSCR_CMD0_PSC1_TX +#define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC1_RX + +/* + * SPI and SMB are muxed on the Pb1200 board. + * Refer to board documentation. + */ +#define SPI_PSC_BASE PSC0_BASE_ADDR +#define SMBUS_PSC_BASE PSC0_BASE_ADDR +/* + * AC97 and I2S are muxed on the Pb1200 board. + * Refer to board documentation. + */ +#define AC97_PSC_BASE PSC1_BASE_ADDR +#define I2S_PSC_BASE PSC1_BASE_ADDR + +#define BCSR_KSEG1_ADDR 0xAD800000 + +typedef volatile struct +{ + /*00*/ u16 whoami; + u16 reserved0; + /*04*/ u16 status; + u16 reserved1; + /*08*/ u16 switches; + u16 reserved2; + /*0C*/ u16 resets; + u16 reserved3; + + /*10*/ u16 pcmcia; + u16 reserved4; + /*14*/ u16 board; + u16 reserved5; + /*18*/ u16 disk_leds; + u16 reserved6; + /*1C*/ u16 system; + u16 reserved7; + + /*20*/ u16 intclr; + u16 reserved8; + /*24*/ u16 intset; + u16 reserved9; + /*28*/ u16 intclr_mask; + u16 reserved10; + /*2C*/ u16 intset_mask; + u16 reserved11; + + /*30*/ u16 sig_status; + u16 reserved12; + /*34*/ u16 int_status; + u16 reserved13; + /*38*/ u16 reserved14; + u16 reserved15; + /*3C*/ u16 reserved16; + u16 reserved17; + +} BCSR; + +static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; + +/* + * Register bit definitions for the BCSRs + */ +#define BCSR_WHOAMI_DCID 0x000F +#define BCSR_WHOAMI_CPLD 0x00F0 +#define BCSR_WHOAMI_BOARD 0x0F00 + +#define BCSR_STATUS_PCMCIA0VS 0x0003 +#define BCSR_STATUS_PCMCIA1VS 0x000C +#define BCSR_STATUS_SWAPBOOT 0x0040 +#define BCSR_STATUS_FLASHBUSY 0x0100 +#define BCSR_STATUS_IDECBLID 0x0200 +#define BCSR_STATUS_SD0WP 0x0400 +#define BCSR_STATUS_SD1WP 0x0800 +#define BCSR_STATUS_U0RXD 0x1000 +#define BCSR_STATUS_U1RXD 0x2000 + +#define BCSR_SWITCHES_OCTAL 0x00FF +#define BCSR_SWITCHES_DIP_1 0x0080 +#define BCSR_SWITCHES_DIP_2 0x0040 +#define BCSR_SWITCHES_DIP_3 0x0020 +#define BCSR_SWITCHES_DIP_4 0x0010 +#define BCSR_SWITCHES_DIP_5 0x0008 +#define BCSR_SWITCHES_DIP_6 0x0004 +#define BCSR_SWITCHES_DIP_7 0x0002 +#define BCSR_SWITCHES_DIP_8 0x0001 +#define BCSR_SWITCHES_ROTARY 0x0F00 + +#define BCSR_RESETS_ETH 0x0001 +#define BCSR_RESETS_CAMERA 0x0002 +#define BCSR_RESETS_DC 0x0004 +#define BCSR_RESETS_IDE 0x0008 +/* not resets but in the same register */ +#define BCSR_RESETS_WSCFSM 0x0800 +#define BCSR_RESETS_PCS0MUX 0x1000 +#define BCSR_RESETS_PCS1MUX 0x2000 +#define BCSR_RESETS_SPISEL 0x4000 +#define BCSR_RESETS_SD1MUX 0x8000 + +#define BCSR_PCMCIA_PC0VPP 0x0003 +#define BCSR_PCMCIA_PC0VCC 0x000C +#define BCSR_PCMCIA_PC0DRVEN 0x0010 +#define BCSR_PCMCIA_PC0RST 0x0080 +#define BCSR_PCMCIA_PC1VPP 0x0300 +#define BCSR_PCMCIA_PC1VCC 0x0C00 +#define BCSR_PCMCIA_PC1DRVEN 0x1000 +#define BCSR_PCMCIA_PC1RST 0x8000 + +#define BCSR_BOARD_LCDVEE 0x0001 +#define BCSR_BOARD_LCDVDD 0x0002 +#define BCSR_BOARD_LCDBL 0x0004 +#define BCSR_BOARD_CAMSNAP 0x0010 +#define BCSR_BOARD_CAMPWR 0x0020 +#define BCSR_BOARD_SD0PWR 0x0040 +#define BCSR_BOARD_SD1PWR 0x0080 + +#define BCSR_LEDS_DECIMALS 0x00FF +#define BCSR_LEDS_LED0 0x0100 +#define BCSR_LEDS_LED1 0x0200 +#define BCSR_LEDS_LED2 0x0400 +#define BCSR_LEDS_LED3 0x0800 + +#define BCSR_SYSTEM_VDDI 0x001F +#define BCSR_SYSTEM_POWEROFF 0x4000 +#define BCSR_SYSTEM_RESET 0x8000 + +/* Bit positions for the different interrupt sources */ +#define BCSR_INT_IDE 0x0001 +#define BCSR_INT_ETH 0x0002 +#define BCSR_INT_PC0 0x0004 +#define BCSR_INT_PC0STSCHG 0x0008 +#define BCSR_INT_PC1 0x0010 +#define BCSR_INT_PC1STSCHG 0x0020 +#define BCSR_INT_DC 0x0040 +#define BCSR_INT_FLASHBUSY 0x0080 +#define BCSR_INT_PC0INSERT 0x0100 +#define BCSR_INT_PC0EJECT 0x0200 +#define BCSR_INT_PC1INSERT 0x0400 +#define BCSR_INT_PC1EJECT 0x0800 +#define BCSR_INT_SD0INSERT 0x1000 +#define BCSR_INT_SD0EJECT 0x2000 +#define BCSR_INT_SD1INSERT 0x4000 +#define BCSR_INT_SD1EJECT 0x8000 + +#define SMC91C111_PHYS_ADDR 0x0D000300 +#define SMC91C111_INT PB1200_ETH_INT + +#define IDE_PHYS_ADDR 0x0C800000 +#define IDE_REG_SHIFT 5 +#define IDE_PHYS_LEN (16 << IDE_REG_SHIFT) +#define IDE_INT PB1200_IDE_INT +#define IDE_DDMA_REQ DSCR_CMD0_DMA_REQ1 +#define IDE_RQSIZE 128 + +#define NAND_PHYS_ADDR 0x1C000000 + +/* + * Timing values as described in databook, * ns value stripped of + * lower 2 bits. + * These defines are here rather than an Au1200 generic file because + * the parts chosen on another board may be different and may require + * different timings. + */ +#define NAND_T_H (18 >> 2) +#define NAND_T_PUL (30 >> 2) +#define NAND_T_SU (30 >> 2) +#define NAND_T_WH (30 >> 2) + +/* Bitfield shift amounts */ +#define NAND_T_H_SHIFT 0 +#define NAND_T_PUL_SHIFT 4 +#define NAND_T_SU_SHIFT 8 +#define NAND_T_WH_SHIFT 12 + +#define NAND_TIMING (((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \ + ((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \ + ((NAND_T_SU & 0xF) << NAND_T_SU_SHIFT) | \ + ((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT)) + +/* + * External Interrupts for Pb1200 as of 8/6/2004. + * Bit positions in the CPLD registers can be calculated by taking + * the interrupt define and subtracting the PB1200_INT_BEGIN value. + * + * Example: IDE bis pos is = 64 - 64 + * ETH bit pos is = 65 - 64 + */ +enum external_pb1200_ints { + PB1200_INT_BEGIN = AU1000_MAX_INTR + 1, + + PB1200_IDE_INT = PB1200_INT_BEGIN, + PB1200_ETH_INT, + PB1200_PC0_INT, + PB1200_PC0_STSCHG_INT, + PB1200_PC1_INT, + PB1200_PC1_STSCHG_INT, + PB1200_DC_INT, + PB1200_FLASHBUSY_INT, + PB1200_PC0_INSERT_INT, + PB1200_PC0_EJECT_INT, + PB1200_PC1_INSERT_INT, + PB1200_PC1_EJECT_INT, + PB1200_SD0_INSERT_INT, + PB1200_SD0_EJECT_INT, + PB1200_SD1_INSERT_INT, + PB1200_SD1_EJECT_INT, + + PB1200_INT_END = PB1200_INT_BEGIN + 15 +}; + +/* + * Pb1200 specific PCMCIA defines for drivers/pcmcia/au1000_db1x00.c + */ +#define PCMCIA_MAX_SOCK 1 +#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1) + +/* VPP/VCC */ +#define SET_VCC_VPP(VCC, VPP, SLOT) \ + ((((VCC) << 2) | ((VPP) << 0)) << ((SLOT) * 8)) + +#define BOARD_PC0_INT PB1200_PC0_INT +#define BOARD_PC1_INT PB1200_PC1_INT +#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1 << (8 + (2 * SOCKET))) + +/* NAND chip select */ +#define NAND_CS 1 + +#endif /* __ASM_PB1200_H */ |