Alexander Couzens (lynxis@fe80.eu) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8049
-gerrit
commit 524e710c7b07be3cc68981d9afaef364d14b556a Author: Alexander Couzens lynxis@fe80.eu Date: Sat Jan 3 02:52:10 2015 +0100
inteltool: add `-s` to dump spi bar and bios_cntl registers
Change-Id: I3bb5dc23885af8c992456ee5e4bd374cd4b813bf Signed-off-by: Alexander Couzens lynxis@fe80.eu --- util/inteltool/Makefile | 2 +- util/inteltool/inteltool.8 | 3 + util/inteltool/inteltool.c | 15 +++- util/inteltool/inteltool.h | 1 + util/inteltool/spi.c | 220 +++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 238 insertions(+), 3 deletions(-)
diff --git a/util/inteltool/Makefile b/util/inteltool/Makefile index 98848b1..f846672 100644 --- a/util/inteltool/Makefile +++ b/util/inteltool/Makefile @@ -27,7 +27,7 @@ PREFIX ?= /usr/local CFLAGS ?= -O2 -g -Wall -W LDFLAGS += -lpci -lz
-OBJS = inteltool.o cpu.o gpio.o rootcmplx.o powermgt.o memory.o pcie.o amb.o ivy_memory.o +OBJS = inteltool.o cpu.o gpio.o rootcmplx.o powermgt.o memory.o pcie.o amb.o ivy_memory.o spi.o
OS_ARCH = $(shell uname) ifeq ($(OS_ARCH), Darwin) diff --git a/util/inteltool/inteltool.8 b/util/inteltool/inteltool.8 index 9db4df7..5956bcd 100644 --- a/util/inteltool/inteltool.8 +++ b/util/inteltool/inteltool.8 @@ -29,6 +29,9 @@ Dump I/O Controller Hub (ICH) southbridge GPIO registers. .B "-r, --rcba" Dump I/O Controller Hub (ICH) southbridge RCBA registers. .TP +.B "-s, --spi" +Dump I/O Controller Hub (ICH) southbridge SPI registers and bios control. +.TP .B "-p, --pmbase" Dump I/O Controller Hub (ICH) southbridge PMBASE registers. .TP diff --git a/util/inteltool/inteltool.c b/util/inteltool/inteltool.c index ffed606..38ab061 100644 --- a/util/inteltool/inteltool.c +++ b/util/inteltool/inteltool.c @@ -209,10 +209,11 @@ void print_version(void)
void print_usage(const char *name) { - printf("usage: %s [-vh?gGrpmedPMa]\n", name); + printf("usage: %s [-vh?gGrpmedPMas]\n", name); printf("\n" " -v | --version: print the version\n" " -h | --help: print this help\n\n" + " -s | --spi: dump southbridge spi and bios_cntrl registers\n" " -g | --gpio: dump southbridge GPIO registers\n" " -G | --gpio-diffs: show GPIO differences from defaults\n" " -r | --rcba: dump southbridge RCBA registers\n" @@ -240,6 +241,7 @@ int main(int argc, char *argv[]) int dump_gpios = 0, dump_mchbar = 0, dump_rcba = 0; int dump_pmbase = 0, dump_epbar = 0, dump_dmibar = 0; int dump_pciexbar = 0, dump_coremsrs = 0, dump_ambs = 0; + int dump_spi = 0; int show_gpio_diffs = 0;
static struct option long_options[] = { @@ -255,11 +257,12 @@ int main(int argc, char *argv[]) {"pciexpress", 0, 0, 'P'}, {"msrs", 0, 0, 'M'}, {"ambs", 0, 0, 'A'}, + {"spi", 0, 0, 's'}, {"all", 0, 0, 'a'}, {0, 0, 0, 0} };
- while ((opt = getopt_long(argc, argv, "vh?gGrpmedPMaA", + while ((opt = getopt_long(argc, argv, "vh?gGrpmedPMaAs", long_options, &option_index)) != EOF) { switch (opt) { case 'v': @@ -304,10 +307,14 @@ int main(int argc, char *argv[]) dump_pciexbar = 1; dump_coremsrs = 1; dump_ambs = 1; + dump_spi = 1; break; case 'A': dump_ambs = 1; break; + case 's': + dump_spi = 1; + break; case 'h': case '?': default: @@ -454,6 +461,10 @@ int main(int argc, char *argv[]) if (dump_ambs) { print_ambs(nb, pacc); } + + if (dump_spi) { + print_spi(sb); + } /* Clean up */ pci_free_dev(nb); // pci_free_dev(sb); // TODO: glibc detected "double free or corruption" diff --git a/util/inteltool/inteltool.h b/util/inteltool/inteltool.h index 1db9e63..3f22641 100644 --- a/util/inteltool/inteltool.h +++ b/util/inteltool/inteltool.h @@ -203,4 +203,5 @@ int print_epbar(struct pci_dev *nb); int print_dmibar(struct pci_dev *nb); int print_pciexbar(struct pci_dev *nb); int print_ambs(struct pci_dev *nb, struct pci_access *pacc); +int print_spi(struct pci_dev *sb); void ivybridge_dump_timings(void); diff --git a/util/inteltool/spi.c b/util/inteltool/spi.c new file mode 100644 index 0000000..f5745dc --- /dev/null +++ b/util/inteltool/spi.c @@ -0,0 +1,220 @@ + +#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" }, + /* { SPIBAR + 0x14, 4, "FDATAN" }, */ + /* data .. up to 0x4f*/ + { 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_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)); +} +