| /* |
| * AMD Alchemy DB1x00 Reference Boards |
| * |
| * Copyright 2001 MontaVista Software Inc. |
| * Author: MontaVista Software, Inc. |
| * ppopov@mvista.com or source@mvista.com |
| * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) |
| * |
| * ######################################################################## |
| * |
| * 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_DB1X00_H |
| #define __ASM_DB1X00_H |
| |
| #include <asm/mach-au1x00/au1xxx_psc.h> |
| |
| #ifdef CONFIG_MIPS_DB1550 |
| |
| #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_PSC3_TX |
| #define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC3_RX |
| |
| #define SPI_PSC_BASE PSC0_BASE_ADDR |
| #define AC97_PSC_BASE PSC1_BASE_ADDR |
| #define SMBUS_PSC_BASE PSC2_BASE_ADDR |
| #define I2S_PSC_BASE PSC3_BASE_ADDR |
| |
| #define BCSR_KSEG1_ADDR 0xAF000000 |
| #define NAND_PHYS_ADDR 0x20000000 |
| |
| #else |
| #define BCSR_KSEG1_ADDR 0xAE000000 |
| #endif |
| |
| /* |
| * Overlay data structure of the Db1x00 board registers. |
| * Registers located at physical 0E0000xx, KSEG1 0xAE0000xx |
| */ |
| typedef volatile struct |
| { |
| /*00*/ unsigned short whoami; |
| unsigned short reserved0; |
| /*04*/ unsigned short status; |
| unsigned short reserved1; |
| /*08*/ unsigned short switches; |
| unsigned short reserved2; |
| /*0C*/ unsigned short resets; |
| unsigned short reserved3; |
| /*10*/ unsigned short pcmcia; |
| unsigned short reserved4; |
| /*14*/ unsigned short specific; |
| unsigned short reserved5; |
| /*18*/ unsigned short leds; |
| unsigned short reserved6; |
| /*1C*/ unsigned short swreset; |
| unsigned short reserved7; |
| |
| } BCSR; |
| |
| |
| /* |
| * Register/mask bit definitions for the BCSRs |
| */ |
| #define BCSR_WHOAMI_DCID 0x000F |
| #define BCSR_WHOAMI_CPLD 0x00F0 |
| #define BCSR_WHOAMI_BOARD 0x0F00 |
| |
| #define BCSR_STATUS_PC0VS 0x0003 |
| #define BCSR_STATUS_PC1VS 0x000C |
| #define BCSR_STATUS_PC0FI 0x0010 |
| #define BCSR_STATUS_PC1FI 0x0020 |
| #define BCSR_STATUS_FLASHBUSY 0x0100 |
| #define BCSR_STATUS_ROMBUSY 0x0400 |
| #define BCSR_STATUS_SWAPBOOT 0x2000 |
| #define BCSR_STATUS_FLASHDEN 0xC000 |
| |
| #define BCSR_SWITCHES_DIP 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_PHY0 0x0001 |
| #define BCSR_RESETS_PHY1 0x0002 |
| #define BCSR_RESETS_DC 0x0004 |
| #define BCSR_RESETS_FIR_SEL 0x2000 |
| #define BCSR_RESETS_IRDA_MODE_MASK 0xC000 |
| #define BCSR_RESETS_IRDA_MODE_FULL 0x0000 |
| #define BCSR_RESETS_IRDA_MODE_OFF 0x4000 |
| #define BCSR_RESETS_IRDA_MODE_2_3 0x8000 |
| #define BCSR_RESETS_IRDA_MODE_1_3 0xC000 |
| |
| #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_PCIM66EN 0x0001 |
| #define BCSR_BOARD_SD0_PWR 0x0040 |
| #define BCSR_BOARD_SD1_PWR 0x0080 |
| #define BCSR_BOARD_PCIM33 0x0100 |
| #define BCSR_BOARD_GPIO200RST 0x0400 |
| #define BCSR_BOARD_PCICFG 0x1000 |
| #define BCSR_BOARD_SD0_WP 0x4000 |
| #define BCSR_BOARD_SD1_WP 0x8000 |
| |
| #define BCSR_LEDS_DECIMALS 0x0003 |
| #define BCSR_LEDS_LED0 0x0100 |
| #define BCSR_LEDS_LED1 0x0200 |
| #define BCSR_LEDS_LED2 0x0400 |
| #define BCSR_LEDS_LED3 0x0800 |
| |
| #define BCSR_SWRESET_RESET 0x0080 |
| |
| /* PCMCIA Db1x00 specific defines */ |
| #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)) |
| |
| /* SD controller macros */ |
| /* |
| * Detect card. |
| */ |
| #define mmc_card_inserted(_n_, _res_) \ |
| do { \ |
| BCSR * const bcsr = (BCSR *)0xAE000000; \ |
| unsigned long mmc_wp, board_specific; \ |
| if ((_n_)) { \ |
| mmc_wp = BCSR_BOARD_SD1_WP; \ |
| } else { \ |
| mmc_wp = BCSR_BOARD_SD0_WP; \ |
| } \ |
| board_specific = au_readl((unsigned long)(&bcsr->specific)); \ |
| if (!(board_specific & mmc_wp)) {/* low means card present */ \ |
| *(int *)(_res_) = 1; \ |
| } else { \ |
| *(int *)(_res_) = 0; \ |
| } \ |
| } while (0) |
| |
| /* |
| * Apply power to card slot(s). |
| */ |
| #define mmc_power_on(_n_) \ |
| do { \ |
| BCSR * const bcsr = (BCSR *)0xAE000000; \ |
| unsigned long mmc_pwr, mmc_wp, board_specific; \ |
| if ((_n_)) { \ |
| mmc_pwr = BCSR_BOARD_SD1_PWR; \ |
| mmc_wp = BCSR_BOARD_SD1_WP; \ |
| } else { \ |
| mmc_pwr = BCSR_BOARD_SD0_PWR; \ |
| mmc_wp = BCSR_BOARD_SD0_WP; \ |
| } \ |
| board_specific = au_readl((unsigned long)(&bcsr->specific)); \ |
| if (!(board_specific & mmc_wp)) {/* low means card present */ \ |
| board_specific |= mmc_pwr; \ |
| au_writel(board_specific, (int)(&bcsr->specific)); \ |
| au_sync(); \ |
| } \ |
| } while (0) |
| |
| |
| /* NAND defines */ |
| /* Timing values as described in databook, * ns value stripped of |
| * lower 2 bits. |
| * These defines are here rather than an SOC1550 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) |
| #define NAND_CS 1 |
| |
| /* should be done by yamon */ |
| #define NAND_STCFG 0x00400005 /* 8-bit NAND */ |
| #define NAND_STTIME 0x00007774 /* valid for 396MHz SD=2 only */ |
| #define NAND_STADDR 0x12000FFF /* physical address 0x20000000 */ |
| |
| #endif /* __ASM_DB1X00_H */ |
| |
