diff options
Diffstat (limited to 'board/mousse/pci.c')
-rw-r--r-- | board/mousse/pci.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/board/mousse/pci.c b/board/mousse/pci.c deleted file mode 100644 index a64144b..0000000 --- a/board/mousse/pci.c +++ /dev/null @@ -1,267 +0,0 @@ -/* - * - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2001 - * James Dougherty (jfd@cs.stanford.edu) - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * PCI Configuration space access support for MPC824x/MPC107 PCI Bridge - */ -#include <common.h> -#include <mpc824x.h> -#include <pci.h> - -#include "mousse.h" - -/* - * Promise ATA/66 support. - */ -#define XFER_PIO_4 0x0C /* 0000|1100 */ -#define XFER_PIO_3 0x0B /* 0000|1011 */ -#define XFER_PIO_2 0x0A /* 0000|1010 */ -#define XFER_PIO_1 0x09 /* 0000|1001 */ -#define XFER_PIO_0 0x08 /* 0000|1000 */ -#define XFER_PIO_SLOW 0x00 /* 0000|0000 */ - -/* Promise Regs */ -#define REG_A 0x01 -#define REG_B 0x02 -#define REG_C 0x04 -#define REG_D 0x08 - -void -pdc202xx_decode_registers (unsigned char registers, unsigned char value) -{ - unsigned char bit = 0, bit1 = 0, bit2 = 0; - switch(registers) { - case REG_A: - bit2 = 0; - printf(" A Register "); - if (value & 0x80) printf("SYNC_IN "); - if (value & 0x40) printf("ERRDY_EN "); - if (value & 0x20) printf("IORDY_EN "); - if (value & 0x10) printf("PREFETCH_EN "); - if (value & 0x08) { printf("PA3 ");bit2 |= 0x08; } - if (value & 0x04) { printf("PA2 ");bit2 |= 0x04; } - if (value & 0x02) { printf("PA1 ");bit2 |= 0x02; } - if (value & 0x01) { printf("PA0 ");bit2 |= 0x01; } - printf("PIO(A) = %d ", bit2); - break; - case REG_B: - bit1 = 0;bit2 = 0; - printf(" B Register "); - if (value & 0x80) { printf("MB2 ");bit1 |= 0x80; } - if (value & 0x40) { printf("MB1 ");bit1 |= 0x40; } - if (value & 0x20) { printf("MB0 ");bit1 |= 0x20; } - printf("DMA(B) = %d ", bit1 >> 5); - if (value & 0x10) printf("PIO_FORCED/PB4 "); - if (value & 0x08) { printf("PB3 ");bit2 |= 0x08; } - if (value & 0x04) { printf("PB2 ");bit2 |= 0x04; } - if (value & 0x02) { printf("PB1 ");bit2 |= 0x02; } - if (value & 0x01) { printf("PB0 ");bit2 |= 0x01; } - printf("PIO(B) = %d ", bit2); - break; - case REG_C: - bit2 = 0; - printf(" C Register "); - if (value & 0x80) printf("DMARQp "); - if (value & 0x40) printf("IORDYp "); - if (value & 0x20) printf("DMAR_EN "); - if (value & 0x10) printf("DMAW_EN "); - - if (value & 0x08) { printf("MC3 ");bit2 |= 0x08; } - if (value & 0x04) { printf("MC2 ");bit2 |= 0x04; } - if (value & 0x02) { printf("MC1 ");bit2 |= 0x02; } - if (value & 0x01) { printf("MC0 ");bit2 |= 0x01; } - printf("DMA(C) = %d ", bit2); - break; - case REG_D: - printf(" D Register "); - break; - default: - return; - } - printf("\n %s ", (registers & REG_D) ? "DP" : - (registers & REG_C) ? "CP" : - (registers & REG_B) ? "BP" : - (registers & REG_A) ? "AP" : "ERROR"); - for (bit=128;bit>0;bit/=2) - printf("%s", (value & bit) ? "1" : "0"); - printf("\n"); -} - -/* - * Promise ATA/66 Support: configure Promise ATA66 card in specified mode. - */ -int -pdc202xx_tune_chipset (pci_dev_t dev, int drive, unsigned char speed) -{ - unsigned short drive_conf; - int err = 0; - unsigned char drive_pci, AP, BP, CP, DP; - unsigned char TA = 0, TB = 0; - - switch (drive) { - case 0: drive_pci = 0x60; break; - case 1: drive_pci = 0x64; break; - case 2: drive_pci = 0x68; break; - case 3: drive_pci = 0x6c; break; - default: return -1; - } - - pci_read_config_word(dev, drive_pci, &drive_conf); - pci_read_config_byte(dev, (drive_pci), &AP); - pci_read_config_byte(dev, (drive_pci)|0x01, &BP); - pci_read_config_byte(dev, (drive_pci)|0x02, &CP); - pci_read_config_byte(dev, (drive_pci)|0x03, &DP); - - if ((AP & 0x0F) || (BP & 0x07)) { - /* clear PIO modes of lower 8421 bits of A Register */ - pci_write_config_byte(dev, (drive_pci), AP & ~0x0F); - pci_read_config_byte(dev, (drive_pci), &AP); - - /* clear PIO modes of lower 421 bits of B Register */ - pci_write_config_byte(dev, (drive_pci)|0x01, BP & ~0x07); - pci_read_config_byte(dev, (drive_pci)|0x01, &BP); - - pci_read_config_byte(dev, (drive_pci), &AP); - pci_read_config_byte(dev, (drive_pci)|0x01, &BP); - } - - pci_read_config_byte(dev, (drive_pci), &AP); - pci_read_config_byte(dev, (drive_pci)|0x01, &BP); - pci_read_config_byte(dev, (drive_pci)|0x02, &CP); - - switch(speed) { - case XFER_PIO_4: TA = 0x01; TB = 0x04; break; - case XFER_PIO_3: TA = 0x02; TB = 0x06; break; - case XFER_PIO_2: TA = 0x03; TB = 0x08; break; - case XFER_PIO_1: TA = 0x05; TB = 0x0C; break; - case XFER_PIO_0: - default: TA = 0x09; TB = 0x13; break; - } - - pci_write_config_byte(dev, (drive_pci), AP|TA); - pci_write_config_byte(dev, (drive_pci)|0x01, BP|TB); - - pci_read_config_byte(dev, (drive_pci), &AP); - pci_read_config_byte(dev, (drive_pci)|0x01, &BP); - pci_read_config_byte(dev, (drive_pci)|0x02, &CP); - pci_read_config_byte(dev, (drive_pci)|0x03, &DP); - - -#ifdef PDC202XX_DEBUG - pdc202xx_decode_registers(REG_A, AP); - pdc202xx_decode_registers(REG_B, BP); - pdc202xx_decode_registers(REG_C, CP); - pdc202xx_decode_registers(REG_D, DP); -#endif - return err; -} -/* - * Show/Init PCI devices on the specified bus number. - */ - -void pci_mousse_fixup_irq(struct pci_controller *hose, pci_dev_t dev) -{ - unsigned int line; - - switch(PCI_DEV(dev)) { - case 0x0d: - line = 0x00000101; - break; - - case 0x0e: - default: - line = 0x00000303; - break; - } - - pci_write_config_dword(dev, PCI_INTERRUPT_LINE, line); -} - -void pci_mousse_setup_pdc202xx(struct pci_controller *hose, pci_dev_t dev, - struct pci_config_table *_) -{ - unsigned short vendorId; - unsigned int mbar0, cmd; - int bar, a; - - pci_read_config_word(dev, PCI_VENDOR_ID, &vendorId); - - if(vendorId == PCI_VENDOR_ID_PROMISE || vendorId == PCI_VENDOR_ID_CMD){ - /* PDC 202xx card is handled differently, it is a bootable - * device and needs all 5 MBAR's configured - */ - for(bar = 0; bar < 5; bar++){ - pci_read_config_dword(dev, PCI_BASE_ADDRESS_0+bar*4, &mbar0); - pci_write_config_dword(dev, PCI_BASE_ADDRESS_0+bar*4, ~0); - pci_read_config_dword(dev, PCI_BASE_ADDRESS_0+bar*4, &mbar0); -#ifdef DEBUG - printf(" ATA_bar[%d] = %dbytes\n", bar, - ~(mbar0 & PCI_BASE_ADDRESS_MEM_MASK) + 1); -#endif - } - - /* Program all BAR's */ - pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, PROMISE_MBAR0); - pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, PROMISE_MBAR1); - pci_write_config_dword(dev, PCI_BASE_ADDRESS_2, PROMISE_MBAR2); - pci_write_config_dword(dev, PCI_BASE_ADDRESS_3, PROMISE_MBAR3); - pci_write_config_dword(dev, PCI_BASE_ADDRESS_4, PROMISE_MBAR4); - pci_write_config_dword(dev, PCI_BASE_ADDRESS_5, PROMISE_MBAR5); - - for(bar = 0; bar < 5; bar++){ - pci_read_config_dword(dev, PCI_BASE_ADDRESS_0+bar*4, &mbar0); -#ifdef DEBUG - printf(" ATA_bar[%d]@0x%x\n", bar, mbar0); -#endif - } - - /* Enable ROM Expansion base */ - pci_write_config_dword(dev, PCI_ROM_ADDRESS, PROMISE_MBAR5|1); - - /* Io enable, Memory enable, master enable */ - pci_read_config_dword(dev, PCI_COMMAND, &cmd); - cmd &= ~0xffff0000; - cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; - pci_write_config_dword(dev, PCI_COMMAND, cmd); - - /* Breath some life into the controller */ - for( a = 0; a < 4; a++) - pdc202xx_tune_chipset(dev, a, XFER_PIO_0); - } -} - -static struct pci_config_table pci_sandpoint_config_table[] = { - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 0x0e, 0x00, - pci_mousse_setup_pdc202xx }, -#ifndef CONFIG_PCI_PNP - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, 0x0d, 0x00, - pci_cfgfunc_config_device, {PCI_ENET_IOADDR, - PCI_ENET_MEMADDR, - PCI_COMMAND_MEMORY | - PCI_COMMAND_MASTER}}, - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - pci_cfgfunc_config_device, {PCI_SLOT_IOADDR, - PCI_SLOT_MEMADDR, - PCI_COMMAND_MEMORY | - PCI_COMMAND_MASTER}}, -#endif - { } -}; - -struct pci_controller hose = { - config_table: pci_sandpoint_config_table, - fixup_irq: pci_mousse_fixup_irq, -}; - -void pci_init_board(void) -{ - pci_mpc824x_init(&hose); -} |