+++ /dev/null
-/*
- * (C) Copyright 2007
- * Gary Jennejohn, DENX Software Engineering, garyj@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-/* sil680.c - ide support functions for the Sil0680A controller */
-
-/*
- * The following parameters must be defined in the configuration file
- * of the target board:
- *
- * #define CONFIG_IDE_SIL680
- *
- * #define CONFIG_PCI_PNP
- * NOTE it may also be necessary to define this if the default of 8 is
- * incorrect for the target board (e.g. the sequoia board requires 0).
- * #define CONFIG_SYS_PCI_CACHE_LINE_SIZE 0
- *
- * #define CONFIG_IDE
- * #undef CONFIG_IDE_LED
- * #undef CONFIG_IDE_RESET
- * #define CONFIG_IDE_PREINIT
- * #define CONFIG_SYS_IDE_MAXBUS 2 - modify to suit
- * #define CONFIG_SYS_IDE_MAXDEVICE (CONFIG_SYS_IDE_MAXBUS*2) - modify to suit
- * #define CONFIG_SYS_ATA_BASE_ADDR 0
- * #define CONFIG_SYS_ATA_IDE0_OFFSET 0
- * #define CONFIG_SYS_ATA_IDE1_OFFSET 0
- * #define CONFIG_SYS_ATA_DATA_OFFSET 0
- * #define CONFIG_SYS_ATA_REG_OFFSET 0
- * #define CONFIG_SYS_ATA_ALT_OFFSET 0x0004
- *
- * The mapping for PCI IO-space.
- * NOTE this is the value for the sequoia board. Modify to suit.
- * #define CONFIG_SYS_PCI0_IO_SPACE 0xE8000000
- */
-
-#include <common.h>
-#include <ata.h>
-#include <ide.h>
-#include <pci.h>
-
-extern ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS];
-
-int ide_preinit (void)
-{
- int status;
- pci_dev_t devbusfn;
- int l;
-
- status = 1;
- for (l = 0; l < CONFIG_SYS_IDE_MAXBUS; l++) {
- ide_bus_offset[l] = -ATA_STATUS;
- }
- devbusfn = pci_find_device (0x1095, 0x0680, 0);
- if (devbusfn != -1) {
- status = 0;
-
- pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0,
- (u32 *) &ide_bus_offset[0]);
- ide_bus_offset[0] &= 0xfffffff8;
- ide_bus_offset[0] += CONFIG_SYS_PCI0_IO_SPACE;
- pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_2,
- (u32 *) &ide_bus_offset[1]);
- ide_bus_offset[1] &= 0xfffffff8;
- ide_bus_offset[1] += CONFIG_SYS_PCI0_IO_SPACE;
- /* init various things - taken from the Linux driver */
- /* set PIO mode */
- pci_write_config_byte(devbusfn, 0x80, 0x00);
- pci_write_config_byte(devbusfn, 0x84, 0x00);
- /* IDE0 */
- pci_write_config_byte(devbusfn, 0xA1, 0x02);
- pci_write_config_word(devbusfn, 0xA2, 0x328A);
- pci_write_config_dword(devbusfn, 0xA4, 0x62DD62DD);
- pci_write_config_dword(devbusfn, 0xA8, 0x43924392);
- pci_write_config_dword(devbusfn, 0xAC, 0x40094009);
- /* IDE1 */
- pci_write_config_byte(devbusfn, 0xB1, 0x02);
- pci_write_config_word(devbusfn, 0xB2, 0x328A);
- pci_write_config_dword(devbusfn, 0xB4, 0x62DD62DD);
- pci_write_config_dword(devbusfn, 0xB8, 0x43924392);
- pci_write_config_dword(devbusfn, 0xBC, 0x40094009);
- }
- return (status);
-}
-
-void ide_set_reset (int flag) {
- return;
-}