/* SPDX-License-Identifier: GPL-2.0+ */ /* * (C) Copyright 2000 * Rob Taylor, Flying Pig Systems. robt@flyingpig.com. */ /* winbond access routines and defines*/ /* from the winbond data sheet - The W83C553F SIO controller with PCI arbiter is a multi-function PCI device. Function 0 is the ISA bridge, and Function 1 is the bus master IDE controller. */ /*ISA bridge configuration space*/ #define W83C553F_VID 0x10AD #define W83C553F_DID 0x0565 #define WINBOND_PCICONTR 0x40 /*pci control reg*/ #define WINBOND_SGBAR 0x41 /*scatter/gather base address reg*/ #define WINBOND_LBCR 0x42 /*Line Buffer Control reg*/ #define WINBOND_IDEIRCR 0x43 /*IDE Interrupt Routing Control Reg*/ #define WINBOND_PCIIRCR 0x44 /*PCI Interrupt Routing Control Reg*/ #define WINBOND_BTBAR 0x46 /*BIOS Timer Base Address Register*/ #define WINBOND_IPADCR 0x48 /*ISA to PCI Address Decoder Control Register*/ #define WINBOND_IRADCR 0x49 /*ISA ROM Address Decoder Control Register*/ #define WINBOND_IPMHSAR 0x4a /*ISA to PCI Memory Hole STart Address Register*/ #define WINBOND_IPMHSR 0x4b /*ISA to PCI Memory Hols Size Register*/ #define WINBOND_CDR 0x4c /*Clock Divisor Register*/ #define WINBOND_CSCR 0x4d /*Chip Select Control Register*/ #define WINBOND_ATSCR 0x4e /*AT System Control register*/ #define WINBOND_ATBCR 0x4f /*AT Bus ControL Register*/ #define WINBOND_IRQBEE0R 0x60 /*IRQ Break Event Enable 0 Register*/ #define WINBOND_IRQBEE1R 0x61 /*IRQ Break Event Enable 1 Register*/ #define WINBOND_ABEER 0x62 /*Additional Break Event Enable Register*/ #define WINBOND_DMABEER 0x63 /*DMA Break Event Enable Register*/ #define WINDOND_IDECSR 0x40 /*IDE Control/Status Register, Function 1*/ #define IPADCR_MBE512 0x1 #define IPADCR_MBE640 0x2 #define IPADCR_IPATOM4 0x10 #define IPADCR_IPATOM5 0x20 #define IPADCR_IPATOM6 0x40 #define IPADCR_IPATOM7 0x80 #define CSCR_UBIOSCSE 0x10 #define CSCR_BIOSWP 0x20 #define IDECSR_P0EN 0x01 #define IDECSR_P0F16 0x02 #define IDECSR_P1EN 0x10 #define IDECSR_P1F16 0x20 #define IDECSR_LEGIRQ 0x800 /* * Interrupt controller */ #define W83C553F_PIC1_ICW1 CONFIG_SYS_ISA_IO + 0x20 #define W83C553F_PIC1_ICW2 CONFIG_SYS_ISA_IO + 0x21 #define W83C553F_PIC1_ICW3 CONFIG_SYS_ISA_IO + 0x21 #define W83C553F_PIC1_ICW4 CONFIG_SYS_ISA_IO + 0x21 #define W83C553F_PIC1_OCW1 CONFIG_SYS_ISA_IO + 0x21 #define W83C553F_PIC1_OCW2 CONFIG_SYS_ISA_IO + 0x20 #define W83C553F_PIC1_OCW3 CONFIG_SYS_ISA_IO + 0x20 #define W83C553F_PIC1_ELC CONFIG_SYS_ISA_IO + 0x4D0 #define W83C553F_PIC2_ICW1 CONFIG_SYS_ISA_IO + 0xA0 #define W83C553F_PIC2_ICW2 CONFIG_SYS_ISA_IO + 0xA1 #define W83C553F_PIC2_ICW3 CONFIG_SYS_ISA_IO + 0xA1 #define W83C553F_PIC2_ICW4 CONFIG_SYS_ISA_IO + 0xA1 #define W83C553F_PIC2_OCW1 CONFIG_SYS_ISA_IO + 0xA1 #define W83C553F_PIC2_OCW2 CONFIG_SYS_ISA_IO + 0xA0 #define W83C553F_PIC2_OCW3 CONFIG_SYS_ISA_IO + 0xA0 #define W83C553F_PIC2_ELC CONFIG_SYS_ISA_IO + 0x4D1 #define W83C553F_TMR1_CMOD CONFIG_SYS_ISA_IO + 0x43 /* * DMA controller */ #define W83C553F_DMA1 CONFIG_SYS_ISA_IO + 0x000 /* channel 0 - 3 */ #define W83C553F_DMA2 CONFIG_SYS_ISA_IO + 0x0C0 /* channel 4 - 7 */ /* command/status register bit definitions */ #define W83C553F_CS_COM_DACKAL (1<<7) /* DACK# assert level */ #define W83C553F_CS_COM_DREQSAL (1<<6) /* DREQ sense assert level */ #define W83C553F_CS_COM_GAP (1<<4) /* group arbitration priority */ #define W83C553F_CS_COM_CGE (1<<2) /* channel group enable */ #define W83C553F_CS_STAT_CH0REQ (1<<4) /* channel 0 (4) DREQ status */ #define W83C553F_CS_STAT_CH1REQ (1<<5) /* channel 1 (5) DREQ status */ #define W83C553F_CS_STAT_CH2REQ (1<<6) /* channel 2 (6) DREQ status */ #define W83C553F_CS_STAT_CH3REQ (1<<7) /* channel 3 (7) DREQ status */ #define W83C553F_CS_STAT_CH0TC (1<<0) /* channel 0 (4) TC status */ #define W83C553F_CS_STAT_CH1TC (1<<1) /* channel 1 (5) TC status */ #define W83C553F_CS_STAT_CH2TC (1<<2) /* channel 2 (6) TC status */ #define W83C553F_CS_STAT_CH3TC (1<<3) /* channel 3 (7) TC status */ /* mode register bit definitions */ #define W83C553F_MODE_TM_DEMAND (0<<6) /* transfer mode - demand */ #define W83C553F_MODE_TM_SINGLE (1<<6) /* transfer mode - single */ #define W83C553F_MODE_TM_BLOCK (2<<6) /* transfer mode - block */ #define W83C553F_MODE_TM_CASCADE (3<<6) /* transfer mode - cascade */ #define W83C553F_MODE_ADDRDEC (1<<5) /* address increment/decrement select */ #define W83C553F_MODE_AUTOINIT (1<<4) /* autoinitialize enable */ #define W83C553F_MODE_TT_VERIFY (0<<2) /* transfer type - verify */ #define W83C553F_MODE_TT_WRITE (1<<2) /* transfer type - write */ #define W83C553F_MODE_TT_READ (2<<2) /* transfer type - read */ #define W83C553F_MODE_TT_ILLEGAL (3<<2) /* transfer type - illegal */ #define W83C553F_MODE_CH0SEL (0<<0) /* channel 0 (4) select */ #define W83C553F_MODE_CH1SEL (1<<0) /* channel 1 (5) select */ #define W83C553F_MODE_CH2SEL (2<<0) /* channel 2 (6) select */ #define W83C553F_MODE_CH3SEL (3<<0) /* channel 3 (7) select */ /* request register bit definitions */ #define W83C553F_REQ_CHSERREQ (1<<2) /* channel service request */ #define W83C553F_REQ_CH0SEL (0<<0) /* channel 0 (4) select */ #define W83C553F_REQ_CH1SEL (1<<0) /* channel 1 (5) select */ #define W83C553F_REQ_CH2SEL (2<<0) /* channel 2 (6) select */ #define W83C553F_REQ_CH3SEL (3<<0) /* channel 3 (7) select */ /* write single mask bit register bit definitions */ #define W83C553F_WSMB_CHMASKSEL (1<<2) /* channel mask select */ #define W83C553F_WSMB_CH0SEL (0<<0) /* channel 0 (4) select */ #define W83C553F_WSMB_CH1SEL (1<<0) /* channel 1 (5) select */ #define W83C553F_WSMB_CH2SEL (2<<0) /* channel 2 (6) select */ #define W83C553F_WSMB_CH3SEL (3<<0) /* channel 3 (7) select */ /* read/write all mask bits register bit definitions */ #define W83C553F_RWAMB_CH0MASK (1<<0) /* channel 0 (4) mask */ #define W83C553F_RWAMB_CH1MASK (1<<1) /* channel 1 (5) mask */ #define W83C553F_RWAMB_CH2MASK (1<<2) /* channel 2 (6) mask */ #define W83C553F_RWAMB_CH3MASK (1<<3) /* channel 3 (7) mask */ /* typedefs */ #define W83C553F_DMA1_CS 0x8 #define W83C553F_DMA1_WR 0x9 #define W83C553F_DMA1_WSMB 0xA #define W83C553F_DMA1_WM 0xB #define W83C553F_DMA1_CBP 0xC #define W83C553F_DMA1_MC 0xD #define W83C553F_DMA1_CM 0xE #define W83C553F_DMA1_RWAMB 0xF #define W83C553F_DMA2_CS 0x10 #define W83C553F_DMA2_WR 0x12 #define W83C553F_DMA2_WSMB 0x14 #define W83C553F_DMA2_WM 0x16 #define W83C553F_DMA2_CBP 0x18 #define W83C553F_DMA2_MC 0x1A #define W83C553F_DMA2_CM 0x1C #define W83C553F_DMA2_RWAMB 0x1E void initialise_w83c553f(void);