Following patch reprograms SIL3114 into PCI IDE native mode compatible class code allowing

legacy software to recognize it as IDE and boot from it. I think
this should be the default for two Tyan boards (k8s aka s2882 and s2881).

Rename the directory to sil prefix to match the Linux kernel naming.
(And I think it was a SiliconSystems wish to be named sil ;)

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5560 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Rudolf Marek
2010-05-16 15:31:53 +00:00
parent 7cfa7f97a1
commit d9c2549333
7 changed files with 80 additions and 0 deletions

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driver-$(CONFIG_DRIVERS_SIL) += sil_sata.o

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/* Copyright 2003-2004 Tyan Computer
* Yinghai Lu yhlu@tyan.com
*
* Copyright (C) 2010 Rudolf Marek <r.marek@assembler.cz>
*/
#include <delay.h>
#include <stdlib.h>
#include <string.h>
#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
static void si_sata_init(struct device *dev)
{
uint32_t dword;
/* enable change device id and class id */
dword = pci_read_config32(dev,0x40);
dword |= (1<<0);
pci_write_config32(dev, 0x40, dword);
/* Set IDE Class, Native mode, two drives per channel */
dword = 0x01018f00;
pci_write_config32(dev, 0x08, dword);
/* disable change device id and class id*/
dword = pci_read_config32(dev,0x40);
dword &= ~(1<<0);
pci_write_config32(dev, 0x40, dword);
printk(BIOS_INFO, "SIL3114 set to IDE compatible mode\n");
}
static struct device_operations si_sata_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = si_sata_init,
.scan_bus = 0,
};
static const struct pci_driver si_sata_driver __pci_driver = {
.ops = &si_sata_ops,
.vendor = 0x1095,
.device = 0x3114,
};