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#include <stdio.h>
#include <stdlib.h>
#include "inteltool.h"
static const io_register_t pch_bios_cntl_registers[] = {
{ 0x0, 1, "BIOSWE - write enable" },
{ 0x1, 1, "BLE - lock enable" },
{ 0x2, 2, "SPI Read configuration" },
{ 0x4, 1, "TopSwapStatus" },
{ 0x5, 1, "SMM Bios Write Protect Disable" },
{ 0x6, 2, "reserved" },
};
#define SPIBAR 0x3800
static const io_register_t spi_bar_registers[] = {
{ SPIBAR + 0x00, 4, "BFPR - BIOS Flash primary region" },
{ SPIBAR + 0x04, 2, "HSFSTS - Hardware Sequencing Flash Status" },
{ SPIBAR + 0x06, 2, "HSFCTL - Hardware Sequencing Flash Control" },
{ SPIBAR + 0x08, 4, "FADDR - Flash Address" },
{ SPIBAR + 0x0c, 4, "Reserved" },
{ SPIBAR + 0x10, 4, "FDATA0" },
/* 0x10 .. 0x4f are filled with data */
{ SPIBAR + 0x50, 4, "FRACC - Flash Region Access Permissions" },
{ SPIBAR + 0x54, 4, "Flash Region 0" },
{ SPIBAR + 0x58, 4, "Flash Region 1" },
{ SPIBAR + 0x5c, 4, "Flash Region 2" },
{ SPIBAR + 0x60, 4, "Flash Region 3" },
{ SPIBAR + 0x64, 4, "Flash Region 4" },
{ SPIBAR + 0x74, 4, "FPR0 Flash Protected Range 0" },
{ SPIBAR + 0x78, 4, "FPR0 Flash Protected Range 1" },
{ SPIBAR + 0x7c, 4, "FPR0 Flash Protected Range 2" },
{ SPIBAR + 0x80, 4, "FPR0 Flash Protected Range 3" },
{ SPIBAR + 0x84, 4, "FPR0 Flash Protected Range 4" },
{ SPIBAR + 0x90, 1, "SSFSTS - Software Sequencing Flash Status" },
{ SPIBAR + 0x91, 3, "SSFSTS - Software Sequencing Flash Status" },
{ SPIBAR + 0x94, 2, "PREOP - Prefix opcode Configuration" },
{ SPIBAR + 0x96, 2, "OPTYPE - Opcode Type Configuration" },
{ SPIBAR + 0x98, 8, "OPMENU - Opcode Menu Configuration" },
{ SPIBAR + 0xa0, 1, "BBAR - BIOS Base Address Configuration" },
{ SPIBAR + 0xb0, 4, "FDOC - Flash Descriptor Observability Control" },
{ SPIBAR + 0xb8, 4, "Reserved" },
{ SPIBAR + 0xc0, 4, "AFC - Additional Flash Control" },
{ SPIBAR + 0xc4, 4, "LVSCC - Host Lower Vendor Specific Component Capabilities" },
{ SPIBAR + 0xc8, 4, "UVSCC - Host Upper Vendor Specific Component Capabilities" },
{ SPIBAR + 0xd0, 4, "FPB - Flash Partition Boundary" },
};
int print_bioscntl(struct pci_dev *sb)
{
int i, size = 0;
unsigned char bios_cntl = 0xff;
const io_register_t *bios_cntl_register = NULL;
printf("\n============= SPI / BIOS CNTL =============\n\n");
switch (sb->device_id) {
case PCI_DEVICE_ID_INTEL_3400:
case PCI_DEVICE_ID_INTEL_3420:
case PCI_DEVICE_ID_INTEL_3450:
case PCI_DEVICE_ID_INTEL_3400_DESKTOP:
case PCI_DEVICE_ID_INTEL_B55_A:
case PCI_DEVICE_ID_INTEL_B55_B:
case PCI_DEVICE_ID_INTEL_H55:
case PCI_DEVICE_ID_INTEL_H57:
case PCI_DEVICE_ID_INTEL_P55:
case PCI_DEVICE_ID_INTEL_Q57:
case PCI_DEVICE_ID_INTEL_3400_MOBILE:
case PCI_DEVICE_ID_INTEL_3400_MOBILE_SFF:
case PCI_DEVICE_ID_INTEL_HM55:
case PCI_DEVICE_ID_INTEL_HM57:
case PCI_DEVICE_ID_INTEL_PM55:
case PCI_DEVICE_ID_INTEL_QM57:
case PCI_DEVICE_ID_INTEL_QS57:
bios_cntl = pci_read_byte(sb, 0xdc);
bios_cntl_register = pch_bios_cntl_registers;
size = ARRAY_SIZE(pch_bios_cntl_registers);
break;
default:
printf("Error: Dumping SPI on this southbridge is not (yet) supported.\n");
return 1;
}
printf("BIOS_CNTL = 0x%04x (IO)\n\n", bios_cntl);
if (bios_cntl_register) {
for (i = 0; i < size; i++) {
unsigned int val = bios_cntl >> bios_cntl_register[i].addr;
val &= ((1 << bios_cntl_register[i].size) -1);
printf("0x%04x = %s\n", val, bios_cntl_register[i].name);
}
}
return 0;
}
int print_spibar(struct pci_dev *sb) {
int i, size = 0, rcba_size = 0x4000;
volatile uint8_t *rcba;
uint32_t rcba_phys;
const io_register_t *spi_register = NULL;
printf("\n============= SPI Bar ==============\n\n");
switch (sb->device_id) {
case PCI_DEVICE_ID_INTEL_ICH6:
case PCI_DEVICE_ID_INTEL_ICH7:
case PCI_DEVICE_ID_INTEL_ICH7M:
case PCI_DEVICE_ID_INTEL_ICH7DH:
case PCI_DEVICE_ID_INTEL_ICH7MDH:
case PCI_DEVICE_ID_INTEL_ICH8:
case PCI_DEVICE_ID_INTEL_ICH8M:
case PCI_DEVICE_ID_INTEL_ICH8ME:
case PCI_DEVICE_ID_INTEL_ICH9DH:
case PCI_DEVICE_ID_INTEL_ICH9DO:
case PCI_DEVICE_ID_INTEL_ICH9R:
case PCI_DEVICE_ID_INTEL_ICH9:
case PCI_DEVICE_ID_INTEL_ICH9M:
case PCI_DEVICE_ID_INTEL_ICH9ME:
case PCI_DEVICE_ID_INTEL_ICH10R:
case PCI_DEVICE_ID_INTEL_NM10:
case PCI_DEVICE_ID_INTEL_I63XX:
case PCI_DEVICE_ID_INTEL_3400:
case PCI_DEVICE_ID_INTEL_3420:
case PCI_DEVICE_ID_INTEL_3450:
case PCI_DEVICE_ID_INTEL_3400_DESKTOP:
case PCI_DEVICE_ID_INTEL_3400_MOBILE:
case PCI_DEVICE_ID_INTEL_3400_MOBILE_SFF:
case PCI_DEVICE_ID_INTEL_B55_A:
case PCI_DEVICE_ID_INTEL_B55_B:
case PCI_DEVICE_ID_INTEL_H55:
case PCI_DEVICE_ID_INTEL_H57:
case PCI_DEVICE_ID_INTEL_HM55:
case PCI_DEVICE_ID_INTEL_HM57:
case PCI_DEVICE_ID_INTEL_P55:
case PCI_DEVICE_ID_INTEL_PM55:
case PCI_DEVICE_ID_INTEL_Q57:
case PCI_DEVICE_ID_INTEL_QM57:
case PCI_DEVICE_ID_INTEL_QS57:
case PCI_DEVICE_ID_INTEL_Z68:
case PCI_DEVICE_ID_INTEL_P67:
case PCI_DEVICE_ID_INTEL_UM67:
case PCI_DEVICE_ID_INTEL_HM65:
case PCI_DEVICE_ID_INTEL_H67:
case PCI_DEVICE_ID_INTEL_HM67:
case PCI_DEVICE_ID_INTEL_Q65:
case PCI_DEVICE_ID_INTEL_QS67:
case PCI_DEVICE_ID_INTEL_Q67:
case PCI_DEVICE_ID_INTEL_QM67:
case PCI_DEVICE_ID_INTEL_B65:
case PCI_DEVICE_ID_INTEL_C202:
case PCI_DEVICE_ID_INTEL_C204:
case PCI_DEVICE_ID_INTEL_C206:
case PCI_DEVICE_ID_INTEL_H61:
case PCI_DEVICE_ID_INTEL_Z77:
case PCI_DEVICE_ID_INTEL_Z75:
case PCI_DEVICE_ID_INTEL_Q77:
case PCI_DEVICE_ID_INTEL_Q75:
case PCI_DEVICE_ID_INTEL_B75:
case PCI_DEVICE_ID_INTEL_H77:
case PCI_DEVICE_ID_INTEL_C216:
case PCI_DEVICE_ID_INTEL_QM77:
case PCI_DEVICE_ID_INTEL_QS77:
case PCI_DEVICE_ID_INTEL_HM77:
case PCI_DEVICE_ID_INTEL_UM77:
case PCI_DEVICE_ID_INTEL_HM76:
case PCI_DEVICE_ID_INTEL_HM75:
case PCI_DEVICE_ID_INTEL_HM70:
case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_FULL:
case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_PREM:
case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_BASE:
rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe;
size = ARRAY_SIZE(spi_bar_registers);
spi_register = spi_bar_registers;
break;
case PCI_DEVICE_ID_INTEL_ICH:
case PCI_DEVICE_ID_INTEL_ICH0:
case PCI_DEVICE_ID_INTEL_ICH2:
case PCI_DEVICE_ID_INTEL_ICH4:
case PCI_DEVICE_ID_INTEL_ICH4M:
case PCI_DEVICE_ID_INTEL_ICH5:
printf("This southbridge does not have RCBA.\n");
return 1;
default:
printf("Error: Dumping RCBA on this southbridge is not (yet) supported.\n");
return 1;
}
rcba = map_physical(rcba_phys, rcba_size);
if (rcba == NULL) {
perror("Error mapping RCBA");
exit(1);
}
for (i = 0; i < size; i++) {
switch(spi_register[i].size) {
case 1:
printf("0x%08x = %s\n", *(uint8_t *)(rcba + spi_register[i].addr), spi_register[i].name);
break;
case 2:
printf("0x%08x = %s\n", *(uint16_t *)(rcba + spi_register[i].addr), spi_register[i].name);
break;
case 4:
printf("0x%08x = %s\n", *(uint32_t *)(rcba + spi_register[i].addr), spi_register[i].name);
break;
case 8:
printf("0x%08x%08x = %s\n", *(uint32_t *)(rcba + spi_register[i].addr), *(uint32_t *)(rcba + spi_register[i].addr + 4), spi_register[i].name);
break;
}
}
unmap_physical((void *)rcba, rcba_size);
return 0;
}
int print_spi(struct pci_dev *sb) {
return (print_bioscntl(sb) || print_spibar(sb));
}
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