/* 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 0 x0E000000
#define DB1000_BCSR_HEXLED_OFS 0 x01000000
#define DB1550_BCSR_PHYS_ADDR 0 x0F000000
#define DB1550_BCSR_HEXLED_OFS 0 x00400000
#define PB1550_BCSR_PHYS_ADDR 0 x0F000000
#define PB1550_BCSR_HEXLED_OFS 0 x00800000
#define DB1200_BCSR_PHYS_ADDR 0 x19800000
#define DB1200_BCSR_HEXLED_OFS 0 x00400000
#define PB1200_BCSR_PHYS_ADDR 0 x0D800000
#define PB1200_BCSR_HEXLED_OFS 0 x00400000
#define DB1300_BCSR_PHYS_ADDR 0 x19800000
#define DB1300_BCSR_HEXLED_OFS 0 x00400000
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 0 x00
#define BCSR_REG_STATUS 0 x04
#define BCSR_REG_SWITCHES 0 x08
#define BCSR_REG_RESETS 0 x0c
#define BCSR_REG_PCMCIA 0 x10
#define BCSR_REG_BOARD 0 x14
#define BCSR_REG_LEDS 0 x18
#define BCSR_REG_SYSTEM 0 x1c
/* Au1200/Au1300 based boards: CPLD IRQ muxer */
#define BCSR_REG_INTCLR 0 x20
#define BCSR_REG_INTSET 0 x24
#define BCSR_REG_MASKCLR 0 x28
#define BCSR_REG_MASKSET 0 x2c
#define BCSR_REG_SIGSTAT 0 x30
#define BCSR_REG_INTSTAT 0 x34
/* hexled control, offset from BCSR base 2 */
#define BCSR_REG_HEXLEDS 0 x00
#define BCSR_REG_HEXCLEAR 0 x08
/*
* Register Bits and Pieces.
*/
#define BCSR_WHOAMI_DCID(x) ((x) & 0 xf)
#define BCSR_WHOAMI_CPLD(x) (((x) >> 4 ) & 0 xf)
#define BCSR_WHOAMI_BOARD(x) (((x) >> 8 ) & 0 xf)
/* 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 0 x0003
#define BCSR_STATUS_PC1VS 0 x000C
#define BCSR_STATUS_PC0FI 0 x0010
#define BCSR_STATUS_PC1FI 0 x0020
#define BCSR_STATUS_PB1550_SWAPBOOT 0 x0040
#define BCSR_STATUS_SRAMWIDTH 0 x0080
#define BCSR_STATUS_FLASHBUSY 0 x0100
#define BCSR_STATUS_ROMBUSY 0 x0400
#define BCSR_STATUS_SD0WP 0 x0400 /* DB1200/DB1300:SD1 */
#define BCSR_STATUS_SD1WP 0 x0800
#define BCSR_STATUS_USBOTGID 0 x0800 /* PB/DB1550 */
#define BCSR_STATUS_DB1000_SWAPBOOT 0 x2000
#define BCSR_STATUS_DB1200_SWAPBOOT 0 x0040 /* DB1200/1300 */
#define BCSR_STATUS_IDECBLID 0 x0200 /* DB1200/1300 */
#define BCSR_STATUS_DB1200_U0RXD 0 x1000 /* DB1200 */
#define BCSR_STATUS_DB1200_U1RXD 0 x2000 /* DB1200 */
#define BCSR_STATUS_FLASHDEN 0 xC000
#define BCSR_STATUS_DB1550_U0RXD 0 x1000 /* DB1550 */
#define BCSR_STATUS_DB1550_U3RXD 0 x2000 /* DB1550 */
#define BCSR_STATUS_PB1550_U0RXD 0 x1000 /* PB1550 */
#define BCSR_STATUS_PB1550_U1RXD 0 x2000 /* PB1550 */
#define BCSR_STATUS_PB1550_U3RXD 0 x8000 /* PB1550 */
#define BCSR_STATUS_CFWP 0 x4000 /* DB1300 */
#define BCSR_STATUS_USBOCn 0 x2000 /* DB1300 */
#define BCSR_STATUS_OTGOCn 0 x1000 /* DB1300 */
#define BCSR_STATUS_DCDMARQ 0 x0010 /* DB1300 */
#define BCSR_STATUS_IDEDMARQ 0 x0020 /* DB1300 */
/* DB/PB1000,1100,1500,1550 */
#define BCSR_RESETS_PHY0 0 x0001
#define BCSR_RESETS_PHY1 0 x0002
#define BCSR_RESETS_DC 0 x0004
#define BCSR_RESETS_FIR_SEL 0 x2000
#define BCSR_RESETS_IRDA_MODE_MASK 0 xC000
#define BCSR_RESETS_IRDA_MODE_FULL 0 x0000
#define BCSR_RESETS_PB1550_WSCFSM 0 x2000
#define BCSR_RESETS_IRDA_MODE_OFF 0 x4000
#define BCSR_RESETS_IRDA_MODE_2_3 0 x8000
#define BCSR_RESETS_IRDA_MODE_1_3 0 xC000
#define BCSR_RESETS_DMAREQ 0 x8000 /* PB1550 */
#define BCSR_BOARD_PCIM66EN 0 x0001
#define BCSR_BOARD_SD0PWR 0 x0040
#define BCSR_BOARD_SD1PWR 0 x0080
#define BCSR_BOARD_PCIM33 0 x0100
#define BCSR_BOARD_PCIEXTARB 0 x0200
#define BCSR_BOARD_GPIO200RST 0 x0400
#define BCSR_BOARD_PCICLKOUT 0 x0800
#define BCSR_BOARD_PB1100_SD0PWR 0 x0400
#define BCSR_BOARD_PB1100_SD1PWR 0 x0800
#define BCSR_BOARD_PCICFG 0 x1000
#define BCSR_BOARD_SPISEL 0 x2000 /* PB/DB1550 */
#define BCSR_BOARD_SD0WP 0 x4000 /* DB1100 */
#define BCSR_BOARD_SD1WP 0 x8000 /* DB1100 */
/* DB/PB1200/1300 */
#define BCSR_RESETS_ETH 0 x0001
#define BCSR_RESETS_CAMERA 0 x0002
#define BCSR_RESETS_DC 0 x0004
#define BCSR_RESETS_IDE 0 x0008
#define BCSR_RESETS_TV 0 x0010 /* DB1200/1300 */
/* Not resets but in the same register */
#define BCSR_RESETS_PWMR1MUX 0 x0800 /* DB1200 */
#define BCSR_RESETS_PB1200_WSCFSM 0 x0800 /* PB1200 */
#define BCSR_RESETS_PSC0MUX 0 x1000
#define BCSR_RESETS_PSC1MUX 0 x2000
#define BCSR_RESETS_SPISEL 0 x4000
#define BCSR_RESETS_SD1MUX 0 x8000 /* PB1200 */
#define BCSR_RESETS_VDDQSHDN 0 x0200 /* DB1300 */
#define BCSR_RESETS_OTPPGM 0 x0400 /* DB1300 */
#define BCSR_RESETS_OTPSCLK 0 x0800 /* DB1300 */
#define BCSR_RESETS_OTPWRPROT 0 x1000 /* DB1300 */
#define BCSR_RESETS_OTPCSB 0 x2000 /* DB1300 */
#define BCSR_RESETS_OTGPWR 0 x4000 /* DB1300 */
#define BCSR_RESETS_USBHPWR 0 x8000 /* DB1300 */
#define BCSR_BOARD_LCDVEE 0 x0001
#define BCSR_BOARD_LCDVDD 0 x0002
#define BCSR_BOARD_LCDBL 0 x0004
#define BCSR_BOARD_CAMSNAP 0 x0010
#define BCSR_BOARD_CAMPWR 0 x0020
#define BCSR_BOARD_SD0PWR 0 x0040
#define BCSR_BOARD_CAMCS 0 x0010 /* DB1300 */
#define BCSR_BOARD_HDMI_DE 0 x0040 /* DB1300 */
#define BCSR_SWITCHES_DIP 0 x00FF
#define BCSR_SWITCHES_DIP_1 0 x0080
#define BCSR_SWITCHES_DIP_2 0 x0040
#define BCSR_SWITCHES_DIP_3 0 x0020
#define BCSR_SWITCHES_DIP_4 0 x0010
#define BCSR_SWITCHES_DIP_5 0 x0008
#define BCSR_SWITCHES_DIP_6 0 x0004
#define BCSR_SWITCHES_DIP_7 0 x0002
#define BCSR_SWITCHES_DIP_8 0 x0001
#define BCSR_SWITCHES_ROTARY 0 x0F00
#define BCSR_PCMCIA_PC0VPP 0 x0003
#define BCSR_PCMCIA_PC0VCC 0 x000C
#define BCSR_PCMCIA_PC0DRVEN 0 x0010
#define BCSR_PCMCIA_PC0RST 0 x0080
#define BCSR_PCMCIA_PC1VPP 0 x0300
#define BCSR_PCMCIA_PC1VCC 0 x0C00
#define BCSR_PCMCIA_PC1DRVEN 0 x1000
#define BCSR_PCMCIA_PC1RST 0 x8000
#define BCSR_LEDS_DECIMALS 0 x0003
#define BCSR_LEDS_LED0 0 x0100
#define BCSR_LEDS_LED1 0 x0200
#define BCSR_LEDS_LED2 0 x0400
#define BCSR_LEDS_LED3 0 x0800
#define BCSR_SYSTEM_RESET 0 x8000 /* clear to reset */
#define BCSR_SYSTEM_PWROFF 0 x4000 /* set to power off */
#define BCSR_SYSTEM_VDDI 0 x001F /* PB1xxx boards */
#define BCSR_SYSTEM_DEBUGCSMASK 0 x003F /* DB1300 */
#define BCSR_SYSTEM_UDMAMODE 0 x0100 /* DB1300 */
#define BCSR_SYSTEM_WAKEONIRQ 0 x0200 /* DB1300 */
#define BCSR_SYSTEM_VDDI1300 0 x3C00 /* 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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