/* * Copyright (C) 2000 David J. Mckay (david.mckay@st.com) * * May be copied or modified under the terms of the GNU General Public * License. See linux/COPYING for more information. * */ #include <linux/config.h> #ifndef __OVERDRIVE_H__ #define __OVERDRIVE_H__ #define OVERDRIVE_INT_CT 0xa3a00000 #define OVERDRIVE_INT_DT 0xa3b00000 #define OVERDRIVE_CTRL 0xa3000000 /* Shoving all these bits into the same register is not a good idea. * As soon as I get a spare moment, I'll change the FPGA and put each * bit in a separate register */ #define VALID_CTRL_BITS 0x1f #define ENABLE_RS232_MASK 0x1e #define DISABLE_RS232_BIT 0x01 #define ENABLE_NMI_MASK 0x1d #define DISABLE_NMI_BIT 0x02 #define RESET_PCI_MASK 0x1b #define ENABLE_PCI_BIT 0x04 #define ENABLE_LED_MASK 0x17 #define DISABLE_LED_BIT 0x08 #define RESET_FPGA_MASK 0x0f #define ENABLE_FPGA_BIT 0x10 #define FPGA_DCLK_ADDRESS 0xA3C00000 #define FPGA_DATA 0x01 /* W */ #define FPGA_CONFDONE 0x02 /* R */ #define FPGA_NOT_STATUS 0x04 /* R */ #define FPGA_INITDONE 0x08 /* R */ #define FPGA_TIMEOUT 100000 /* Interrupts for the overdrive. Note that these numbers have * nothing to do with the actual IRQ numbers they appear on, * this is all programmable. This is simply the position in the * INT_CT register. */ #define OVERDRIVE_PCI_INTA 0 #define OVERDRIVE_PCI_INTB 1 #define OVERDRIVE_PCI_INTC 2 #define OVERDRIVE_PCI_INTD 3 #define OVERDRIVE_GALILEO_INT 4 #define OVERDRIVE_GALILEO_LOCAL_INT 5 #define OVERDRIVE_AUDIO_INT 6 #define OVERDRIVE_KEYBOARD_INT 7 /* Which Linux IRQ should we assign to each interrupt source? */ #define OVERDRIVE_PCI_IRQ1 2 #ifdef CONFIG_HACKED_NE2K #define OVERDRIVE_PCI_IRQ2 7 #else #define OVERDRIVE_PCI_IRQ2 2 #undef OVERDRIVE_PCI_INTB #define OVERDRIVE_PCI_INTB OVERDRIVE_PCI_INTA #endif /* Put the ESS solo audio chip on IRQ 4 */ #define OVERDRIVE_ESS_IRQ 4 /* Where the memory behind the PCI bus appears */ #define PCI_DRAM_BASE 0xb7000000 #define PCI_DRAM_SIZE (16*1024*1024) #define PCI_DRAM_FINISH (PCI_DRAM_BASE+PCI_DRAM_SIZE-1) /* Where the IO region appears in the memory */ #define PCI_GTIO_BASE 0xb8000000 #endif