diff options
Diffstat (limited to 'include/asm-mips/mach-db1x00/db1x00.h')
| -rw-r--r-- | include/asm-mips/mach-db1x00/db1x00.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/include/asm-mips/mach-db1x00/db1x00.h b/include/asm-mips/mach-db1x00/db1x00.h new file mode 100644 index 000000000000..4691398a414f --- /dev/null +++ b/include/asm-mips/mach-db1x00/db1x00.h @@ -0,0 +1,205 @@ +/* + * 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 <linux/config.h> + +#ifdef CONFIG_MIPS_DB1550 +#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) + +#endif /* __ASM_DB1X00_H */ + |