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usr
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src
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linux-headers-6.8.0-36
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arch
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mips
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include
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asm
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mach-db1x00
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bcsr.h
/* SPDX-License-Identifier: GPL-2.0 */ /* * bcsr.h -- Db1xxx/Pb1xxx Devboard CPLD registers ("BCSR") abstraction. * * All Alchemy development boards (except, of course, the weird PB1000) * have a few registers in a CPLD with standardised layout; they mostly * only differ in base address and bit meanings in the RESETS and BOARD * registers. * * All data taken from the official AMD board documentation sheets. */ #ifndef _DB1XXX_BCSR_H_ #define _DB1XXX_BCSR_H_ /* BCSR base addresses on various boards. BCSR base 2 refers to the * physical address of the first HEXLEDS register, which is usually * a variable offset from the WHOAMI register. */ /* DB1000, DB1100, DB1500, PB1100, PB1500 */ #define DB1000_BCSR_PHYS_ADDR 0x0E000000 #define DB1000_BCSR_HEXLED_OFS 0x01000000 #define DB1550_BCSR_PHYS_ADDR 0x0F000000 #define DB1550_BCSR_HEXLED_OFS 0x00400000 #define PB1550_BCSR_PHYS_ADDR 0x0F000000 #define PB1550_BCSR_HEXLED_OFS 0x00800000 #define DB1200_BCSR_PHYS_ADDR 0x19800000 #define DB1200_BCSR_HEXLED_OFS 0x00400000 #define PB1200_BCSR_PHYS_ADDR 0x0D800000 #define PB1200_BCSR_HEXLED_OFS 0x00400000 #define DB1300_BCSR_PHYS_ADDR 0x19800000 #define DB1300_BCSR_HEXLED_OFS 0x00400000 enum bcsr_id { /* BCSR base 1 */ BCSR_WHOAMI = 0, BCSR_STATUS, BCSR_SWITCHES, BCSR_RESETS, BCSR_PCMCIA, BCSR_BOARD, BCSR_LEDS, BCSR_SYSTEM, /* Au1200/1300 based boards */ BCSR_INTCLR, BCSR_INTSET, BCSR_MASKCLR, BCSR_MASKSET, BCSR_SIGSTAT, BCSR_INTSTAT, /* BCSR base 2 */ BCSR_HEXLEDS, BCSR_RSVD1, BCSR_HEXCLEAR, BCSR_CNT, }; /* register offsets, valid for all Db1xxx/Pb1xxx boards */ #define BCSR_REG_WHOAMI 0x00 #define BCSR_REG_STATUS 0x04 #define BCSR_REG_SWITCHES 0x08 #define BCSR_REG_RESETS 0x0c #define BCSR_REG_PCMCIA 0x10 #define BCSR_REG_BOARD 0x14 #define BCSR_REG_LEDS 0x18 #define BCSR_REG_SYSTEM 0x1c /* Au1200/Au1300 based boards: CPLD IRQ muxer */ #define BCSR_REG_INTCLR 0x20 #define BCSR_REG_INTSET 0x24 #define BCSR_REG_MASKCLR 0x28 #define BCSR_REG_MASKSET 0x2c #define BCSR_REG_SIGSTAT 0x30 #define BCSR_REG_INTSTAT 0x34 /* hexled control, offset from BCSR base 2 */ #define BCSR_REG_HEXLEDS 0x00 #define BCSR_REG_HEXCLEAR 0x08 /* * Register Bits and Pieces. */ #define BCSR_WHOAMI_DCID(x) ((x) & 0xf) #define BCSR_WHOAMI_CPLD(x) (((x) >> 4) & 0xf) #define BCSR_WHOAMI_BOARD(x) (((x) >> 8) & 0xf) /* register "WHOAMI" bits 11:8 identify the board */ enum bcsr_whoami_boards { BCSR_WHOAMI_PB1500 = 1, BCSR_WHOAMI_PB1500R2, BCSR_WHOAMI_PB1100, BCSR_WHOAMI_DB1000, BCSR_WHOAMI_DB1100, BCSR_WHOAMI_DB1500, BCSR_WHOAMI_DB1550, BCSR_WHOAMI_PB1550_DDR, BCSR_WHOAMI_PB1550 = BCSR_WHOAMI_PB1550_DDR, BCSR_WHOAMI_PB1550_SDR, BCSR_WHOAMI_PB1200_DDR1, BCSR_WHOAMI_PB1200 = BCSR_WHOAMI_PB1200_DDR1, BCSR_WHOAMI_PB1200_DDR2, BCSR_WHOAMI_DB1200, BCSR_WHOAMI_DB1300, }; /* STATUS reg. Unless otherwise noted, they're valid on all boards. * PB1200 = DB1200. */ #define BCSR_STATUS_PC0VS 0x0003 #define BCSR_STATUS_PC1VS 0x000C #define BCSR_STATUS_PC0FI 0x0010 #define BCSR_STATUS_PC1FI 0x0020 #define BCSR_STATUS_PB1550_SWAPBOOT 0x0040 #define BCSR_STATUS_SRAMWIDTH 0x0080 #define BCSR_STATUS_FLASHBUSY 0x0100 #define BCSR_STATUS_ROMBUSY 0x0400 #define BCSR_STATUS_SD0WP 0x0400 /* DB1200/DB1300:SD1 */ #define BCSR_STATUS_SD1WP 0x0800 #define BCSR_STATUS_USBOTGID 0x0800 /* PB/DB1550 */ #define BCSR_STATUS_DB1000_SWAPBOOT 0x2000 #define BCSR_STATUS_DB1200_SWAPBOOT 0x0040 /* DB1200/1300 */ #define BCSR_STATUS_IDECBLID 0x0200 /* DB1200/1300 */ #define BCSR_STATUS_DB1200_U0RXD 0x1000 /* DB1200 */ #define BCSR_STATUS_DB1200_U1RXD 0x2000 /* DB1200 */ #define BCSR_STATUS_FLASHDEN 0xC000 #define BCSR_STATUS_DB1550_U0RXD 0x1000 /* DB1550 */ #define BCSR_STATUS_DB1550_U3RXD 0x2000 /* DB1550 */ #define BCSR_STATUS_PB1550_U0RXD 0x1000 /* PB1550 */ #define BCSR_STATUS_PB1550_U1RXD 0x2000 /* PB1550 */ #define BCSR_STATUS_PB1550_U3RXD 0x8000 /* PB1550 */ #define BCSR_STATUS_CFWP 0x4000 /* DB1300 */ #define BCSR_STATUS_USBOCn 0x2000 /* DB1300 */ #define BCSR_STATUS_OTGOCn 0x1000 /* DB1300 */ #define BCSR_STATUS_DCDMARQ 0x0010 /* DB1300 */ #define BCSR_STATUS_IDEDMARQ 0x0020 /* DB1300 */ /* DB/PB1000,1100,1500,1550 */ #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_PB1550_WSCFSM 0x2000 #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_RESETS_DMAREQ 0x8000 /* PB1550 */ #define BCSR_BOARD_PCIM66EN 0x0001 #define BCSR_BOARD_SD0PWR 0x0040 #define BCSR_BOARD_SD1PWR 0x0080 #define BCSR_BOARD_PCIM33 0x0100 #define BCSR_BOARD_PCIEXTARB 0x0200 #define BCSR_BOARD_GPIO200RST 0x0400 #define BCSR_BOARD_PCICLKOUT 0x0800 #define BCSR_BOARD_PB1100_SD0PWR 0x0400 #define BCSR_BOARD_PB1100_SD1PWR 0x0800 #define BCSR_BOARD_PCICFG 0x1000 #define BCSR_BOARD_SPISEL 0x2000 /* PB/DB1550 */ #define BCSR_BOARD_SD0WP 0x4000 /* DB1100 */ #define BCSR_BOARD_SD1WP 0x8000 /* DB1100 */ /* DB/PB1200/1300 */ #define BCSR_RESETS_ETH 0x0001 #define BCSR_RESETS_CAMERA 0x0002 #define BCSR_RESETS_DC 0x0004 #define BCSR_RESETS_IDE 0x0008 #define BCSR_RESETS_TV 0x0010 /* DB1200/1300 */ /* Not resets but in the same register */ #define BCSR_RESETS_PWMR1MUX 0x0800 /* DB1200 */ #define BCSR_RESETS_PB1200_WSCFSM 0x0800 /* PB1200 */ #define BCSR_RESETS_PSC0MUX 0x1000 #define BCSR_RESETS_PSC1MUX 0x2000 #define BCSR_RESETS_SPISEL 0x4000 #define BCSR_RESETS_SD1MUX 0x8000 /* PB1200 */ #define BCSR_RESETS_VDDQSHDN 0x0200 /* DB1300 */ #define BCSR_RESETS_OTPPGM 0x0400 /* DB1300 */ #define BCSR_RESETS_OTPSCLK 0x0800 /* DB1300 */ #define BCSR_RESETS_OTPWRPROT 0x1000 /* DB1300 */ #define BCSR_RESETS_OTPCSB 0x2000 /* DB1300 */ #define BCSR_RESETS_OTGPWR 0x4000 /* DB1300 */ #define BCSR_RESETS_USBHPWR 0x8000 /* DB1300 */ #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_CAMCS 0x0010 /* DB1300 */ #define BCSR_BOARD_HDMI_DE 0x0040 /* DB1300 */ #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_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_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_SYSTEM_RESET 0x8000 /* clear to reset */ #define BCSR_SYSTEM_PWROFF 0x4000 /* set to power off */ #define BCSR_SYSTEM_VDDI 0x001F /* PB1xxx boards */ #define BCSR_SYSTEM_DEBUGCSMASK 0x003F /* DB1300 */ #define BCSR_SYSTEM_UDMAMODE 0x0100 /* DB1300 */ #define BCSR_SYSTEM_WAKEONIRQ 0x0200 /* DB1300 */ #define BCSR_SYSTEM_VDDI1300 0x3C00 /* DB1300 */ /* initialize BCSR for a board. Provide the PHYSICAL addresses of both * BCSR spaces. */ void __init bcsr_init(unsigned long bcsr1_phys, unsigned long bcsr2_phys); /* read a board register */ unsigned short bcsr_read(enum bcsr_id reg); /* write to a board register */ void bcsr_write(enum bcsr_id reg, unsigned short val); /* modify a register. clear bits set in 'clr', set bits set in 'set' */ void bcsr_mod(enum bcsr_id reg, unsigned short clr, unsigned short set); /* install CPLD IRQ demuxer (DB1200/PB1200) */ void __init bcsr_init_irq(int csc_start, int csc_end, int hook_irq); #endif
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