added files for Tyson's new stuff.

This commit is contained in:
Ronald G. Minnich 2001-02-09 04:38:11 +00:00
parent af5eaf5b29
commit d0b0e5cf9f
6 changed files with 458 additions and 0 deletions

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#include <cpu/p6/mtrr.h>
unsigned char fixed_mtrr_values[][4] = {
/* MTRRfix64K_00000_MSR, defines memory range from 0KB to 512 KB, each byte cover 64KB area */
{MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK},
{MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK},
/* MTRRfix16K_80000_MSR, defines memory range from 512KB to 640KB, each byte cover 16KB area */
{MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK},
{MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK, MTRR_TYPE_WRBACK},
/* MTRRfix16K_A0000_MSR, defines memory range from A0000 to C0000, each byte cover 16KB area */
{MTRR_TYPE_WRCOMB, MTRR_TYPE_WRCOMB, MTRR_TYPE_WRCOMB, MTRR_TYPE_WRCOMB},
{MTRR_TYPE_WRCOMB, MTRR_TYPE_WRCOMB, MTRR_TYPE_WRCOMB, MTRR_TYPE_WRCOMB},
/* MTRRfix4K_C0000_MSR, defines memory range from C0000 to C8000, each byte cover 4KB area */
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
/* MTRRfix4K_C8000_MSR, defines memory range from C8000 to D0000, each byte cover 4KB area */
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
/* MTRRfix4K_D0000_MSR, defines memory range from D0000 to D8000, each byte cover 4KB area */
{MTRR_TYPE_UNCACHABLE, MTRR_TYPE_UNCACHABLE, MTRR_TYPE_UNCACHABLE, MTRR_TYPE_UNCACHABLE},
{MTRR_TYPE_UNCACHABLE, MTRR_TYPE_UNCACHABLE, MTRR_TYPE_UNCACHABLE, MTRR_TYPE_UNCACHABLE},
/* MTRRfix4K_D8000_MSR, defines memory range from D8000 to E0000, each byte cover 4KB area */
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
/* MTRRfix4K_E0000_MSR, defines memory range from E0000 to E8000, each byte cover 4KB area */
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
/* MTRRfix4K_E8000_MSR, defines memory range from E8000 to F0000, each byte cover 4KB area */
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
/* MTRRfix4K_F0000_MSR, defines memory range from F0000 to F8000, each byte cover 4KB area */
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
/* MTRRfix4K_F8000_MSR, defines memory range from F8000 to 100000, each byte cover 4KB area */
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
{MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH, MTRR_TYPE_WRTHROUGH},
};

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object ti-pci1225.o

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/*
* This code is totally non-portable to any system that doesn't
* happen to match the one it was written for. This really needs
* to be done as a set of utilities that mainboard_fixup() can call
* as needed and with the right arguements for the configuration
* of the board.
*/
#include <subr.h>
#include <pci.h>
#include <pci_ids.h>
int ti_pci1225_setup() {
struct pci_dev *pcidev;
struct pci_dev *pcidev1;
struct pci_dev *pcidev2;
int slot;
int func;
int bus;
/*
* setup serial interrupt in the PIIX4.
*
* This code has no business being here. There should be
* utility functions in southbridge.c that mainboard_fixup()
* calls to do this before trying to enable pci1225 chip.
*/
pcidev = pci_find_device(PCI_VENDOR_INTEL,
PCI_DEVICE_ID_INTEL_82371AB_0,
(void *)NULL);
if (!pcidev) return(-1);
pci_write_config_byte(pcidev, 0x64, 0xd0);
pci_write_config_byte(pcidev, 0xb2, 0x01);
/*
* Setup the TI PCI1225 registers to match the PnR
*
* At least this code belongs in this file. However
* it needs to be provided as utility functions that
* mainboard_fixup() can use to fixup the main board.
*/
pcidev = pci_find_device(PCI_VENDOR_TI,
PCI_DEVICE_TI_1225,
(void *)NULL);
if (!pcidev) return(-2);
pcidev2 = pci_find_device(PCI_VENDOR_TI,
PCI_DEVICE_TI_1225,
pcidev);
if (!pcidev2) return(-3);
if ((pcidev2->vendor != pcidev->vendor) ||
(pcidev2->device != pcidev->device) ||
(pcidev2->class != pcidev->class )) return (-4);
/* Are we guarenteed to get chip functions in order? */
if (pcidev->devfn < pcidev2->devfn) {
pcidev1 = pcidev;
}
else {
pcidev1 = pcidev2;
pcidev2 = pcidev;
}
pci_write_config_byte (pcidev1, 0x3c, 0xff);
pci_write_config_byte (pcidev2, 0x3c, 0xff);
pci_write_config_dword(pcidev1, 0x80, 0x2844b060);
pci_write_config_dword(pcidev1, 0x8c, 0x00001002);
pci_write_config_byte (pcidev1, 0x90, 0xc0);
pci_write_config_byte (pcidev1, 0x91, 0x02);
pci_write_config_byte (pcidev1, 0x92, 0x64);
return(0);
}

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/*
* Enable the peripheral devices on the FDC37N769 Super IO chip
*/
/*
* This code is untested but should at least get a serial port working.
* -Tyson
*/
/* The base address is either 0x3F0 or 0x370, depending on config pin */
#ifndef SMC_BASE
#error SMC_BASE must be defined as 0x3F0 or 0x370
#endif
#if (SMC_BASE == 0x370)
/* #warning SMC_BASE set to 0x370 */
#elif (SMC_BASE == 0x3f0)
/* #warning SMC_BASE set to 0x3f0 */
#else
#error SMC_BASE defined as other than 0x3F0 or 0x370
#endif
#define SMC_INDEX SMC_BASE
#define SMC_DATA SMC_BASE+1
#define SMC_READ(index) \
mov index, %al ; \
mov $SMC_BASE, %dx ; \
outb %al, %dx ; \
inc %dx ; \
inb %dx, %al ;
#define SMC_WRITE(data, index) \
mov data, %ah ; \
mov index, %al ; \
mov $SMC_BASE, %dx ; \
outb %al, %dx ; \
inc %dx ; \
mov %ah, %al ; \
outb %al, %dx ;
/* Enter the configuration state */
mov $0x55, %al
mov $SMC_BASE, %dx
outb %al, %dx
/* Check for Device ID */
SMC_READ($0x0d)
cmp %al, 0x28
je 2f
mov $0xfe, %al
outb %al, $0x80
#if 0
1: hlt
jmp 1b
#endif
2:
/* Pin configuration - need to enable IRQ 4 output */
SMC_WRITE($0xf4, $0x03) ;
/* Set address of parallel port */
#if 0
SMC_WRITE($0xde, $0x23) ;
#endif
/* Set address of serial port 0 */
SMC_WRITE($0xfe, $0x24) ;
/* Set address of serial port 1 */
SMC_WRITE($0xbe, $0x25) ;
/* Set IRQs of serial ports */
SMC_WRITE($0x21, $0x28) ;
/* Set valid bit */
SMC_READ($0x00)
or $0x80, %al
SMC_WRITE(%al, $0x00)
/* Exit the configuration state */
mov $0xAA, %al
mov $SMC_BASE, %dx
outb %al, %dx

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#include <subr.h>
#include <cpu/p5/io.h>
/*
* This file is for setting up the SMC Super IO chip.
*
* This file contains some hard coded mappings for IRQs which may
* work for most boards but is really board specific. A
* configuration mechanism is needed.
*
* I have only implemented the UART features that I needed at
* the time plus enableing EPP mode to get interrupts that can
* be shared. Other features for floppies and parallel ports
* can be added by others as needed.
*
* -Tyson Sawyer tyson@rwii.com
*
* Sharing interrupts between two SMC chips doesn't work for me. -tds
*/
static int smc_configuration_state(int addr, int state) {
if ((addr!=0x370) && (addr!=0x3f0)) return(-1);
if (state) {
outb(0x55, addr);
return(0);
}
else {
outb(0xAA, addr);
return(0);
}
return(-1);
}
static int smc_write(int addr, unsigned char data, unsigned char index) {
if ((addr!=0x370) && (addr!=0x3f0)) return(-1);
outb(index, addr);
outb(data, addr+1);
return(0);
}
static int smc_read(int addr, unsigned char index, unsigned char *data) {
if ((addr!=0x370) && (addr!=0x3f0)) return(-1);
outb(index, addr);
*data = inb(addr+1);
return(0);
}
int smc_uart_setup(int addr,
int addr1, int irq1,
int addr2, int irq2) {
int rv;
unsigned char int1, int2;
unsigned char data;
if ((addr!=0x370) && (addr!=0x3f0)) return(-1);
/*
* Warning:
* Board specifc mapping of IRQs here.
* A configuration mechanism is needed.
*/
switch (irq1) {
case 3: int1 = 1; break;
case 4: int1 = 2; break;
case 5: int1 = 3; break;
case 6: int1 = 4; break;
case 7: int1 = 5; break;
case 10: int1 = 6; break;
case 11: int1 = 8; break;
default: int1 = 0;
}
switch (irq2) {
case 3: int2 = 1; break;
case 4: int2 = 2; break;
case 5: int2 = 3; break;
case 6: int2 = 4; break;
case 7: int2 = 5; break;
case 10: int2 = 6; break;
case 11: int2 = 8; break;
default: int2 = 0;
}
if (int1 == int2) {
int2 = 0x0f;
}
rv = smc_configuration_state(addr, 1); if (rv) return(rv);
rv = smc_write(addr, (addr1>>2) & 0xfe, 0x24); if (rv) return(rv);
rv = smc_write(addr, (addr2>>2) & 0xfe, 0x25); if (rv) return(rv);
rv = smc_write(addr, (int1<<4) | int2, 0x28); if (rv) return(rv);
/* Enable INTB output */
if ((int1==2) || (int2==2)) {
rv = smc_read(addr, 0x03, &data); if (rv) return(rv);
rv = smc_write(addr, data | 0x84, 0x03); if (rv) return(rv);
}
rv = smc_configuration_state(addr, 0); return(rv);
}
int smc_pp_setup(int addr, int pp_addr, int mode) {
int rv;
unsigned char data;
rv = smc_configuration_state(addr, 1); if (rv) return(rv);
rv = smc_read(addr, 0x04, &data); if (rv) return(rv);
data = (data & (~0x03)) | (mode & 0x03);
rv = smc_write(addr, data, 0x04); if (rv) return(rv);
rv = smc_read(addr, 0x01, &data); if (rv) return(rv);
data = data & (~0x08);
rv = smc_write(addr, data, 0x01); if (rv) return(rv);
rv = smc_write(addr, (pp_addr>>2) & 0xff, 0x23); if (rv) return(rv);
rv = smc_configuration_state(addr, 0); return(rv);
}
int smc_validbit(int addr, int valid) {
int rv;
unsigned char data;
if ((addr!=0x370) && (addr!=0x3f0)) return(-1);
rv = smc_configuration_state(addr, 1); if (rv) return(rv);
rv = smc_read(addr, 0x00, &data); if (rv) return(rv);
if (valid) {
data = data | 0x80;
}
else {
data = data & (~0x80);
}
rv = smc_write(addr, data, 0x00); if (rv) return(rv);
rv = smc_configuration_state(addr, 0); return(rv);
}
/*
* ============== Linux bios standard superio functions ========
*
* These functions suck.
*/
void
enter_pnp()
{
// unlock it XXX make this a subr at some point
// outb(0x87, PNPADDR);
// outb(0x87, PNPADDR);
}
void
exit_pnp()
{
/* all done. */
// select configure control
// outb(0xaa, PNPADDR);
}
#ifdef MUST_ENABLE_FLOPPY
void enable_floppy()
{
/* now set the LDN to floppy LDN */
// outb(0x7, PNPADDR); /* pick reg. 7 */
// outb(0x0, PNPDATA); /* LDN 0 to reg. 7 */
/* now select register 0x30, and set bit 1 in that register */
// outb(0x30, PNPADDR);
// outb(0x1, PNPDATA);
}
#endif /* MUST_ENABLE_FLOPPY */
void
enable_com(int com)
{
// unsigned char b;
/* now set the LDN to com LDN */
// outb(0x7, PNPADDR); /* pick reg. 7 */
// outb(com, PNPDATA); /* LDN 0 to reg. 7 */
/* now select register 0x30, and set bit 1 in that register */
// outb(0x30, PNPADDR);
// outb(0x1, PNPDATA);
}
void
final_superio_fixup()
{
enter_pnp();
#ifdef MUST_ENABLE_FLOPPY
enable_floppy();
#endif
enable_com(PNP_COM1_DEVICE);
enable_com(PNP_COM2_DEVICE);
exit_pnp();
}

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#ifndef _SMC_SUPER_IO_H_
#define _SMC_SUPER_IO_H_
#define SMC_PP_MODE_SPP 0x00
#define SMC_PP_MODE_EPP_SPP 0x01
#define SMC_PP_MODE_ECP 0x02
#define SMC_PP_MODE_EPP_ECP 0x03
int smc_uart_setup(int smc_addr,
int addr1, int irq1,
int addr2, int irq2);
int smc_pp_setup(int smc_addr, int pp_addr, int mode);
int smc_validbit(int smc_addr, int valid);
#endif /* _SMC_SUPER_IO_H_ */