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Revert "soc/intel/xeon_sp: Rewrite acpi_fill_dmar"

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This reverts commit 6833e8c01a.

Reason for revert: Submitted out of order and broke the coreboot build.

src/soc/intel/xeon_sp/uncore_acpi.c:275:6: error: call to undeclared function 'is_dev_on_domain0'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  275 |         if (is_dev_on_domain0(iommu)) {
      |             ^
src/soc/intel/xeon_sp/uncore_acpi.c:343:35: error: call to undeclared function 'is_dev_on_ioat_domain'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  343 |         if (CONFIG(HAVE_IOAT_DOMAINS) && is_dev_on_ioat_domain(iommu)) {
      |                                          ^
src/soc/intel/xeon_sp/uncore_acpi.c:423:4: error: indirection of non-volatile null pointer will be deleted, not trap [-Werror,-Wnull-dereference]
  423 |                         assert(vtd_mmio_cap != 0xffffffffffffffff);
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/include/assert.h:85:27: note: expanded from macro 'assert'
   85 | #define assert(statement)       ASSERT(statement)
      |                                 ^~~~~~~~~~~~~~~~~
src/include/assert.h:56:7: note: expanded from macro 'ASSERT'
   56 |         if (!__build_time_assert(x) && !(x)) {                          \
      |              ^~~~~~~~~~~~~~~~~~~~~~
src/include/assert.h:27:40: note: expanded from macro '__build_time_assert'
   27 |         (__builtin_constant_p(x) ? ((x) ? 1 : dead_code_t(int)) : 0)
      |                                               ^~~~~~~~~~~~~~~~
src/include/assert.h:105:2: note: expanded from macro 'dead_code_t'
  105 |         *(type *)(uintptr_t)0; \
      |         ^~~~~~~~~~~~~~~~~~~~~
src/soc/intel/xeon_sp/uncore_acpi.c:423:4: note: consider using __builtin_trap() or qualifying pointer with 'volatile'
src/include/assert.h:85:27: note: expanded from macro 'assert'
   85 | #define assert(statement)       ASSERT(statement)
      |                                 ^
src/include/assert.h:56:7: note: expanded from macro 'ASSERT'
   56 |         if (!__build_time_assert(x) && !(x)) {                          \
      |              ^
src/include/assert.h:27:40: note: expanded from macro '__build_time_assert'
   27 |         (__builtin_constant_p(x) ? ((x) ? 1 : dead_code_t(int)) : 0)
      |                                               ^
src/include/assert.h:105:2: note: expanded from macro 'dead_code_t'
  105 |         *(type *)(uintptr_t)0; \
      |         ^
src/soc/intel/xeon_sp/uncore_acpi.c:455:3: error: indirection of non-volatile null pointer will be deleted, not trap [-Werror,-Wnull-dereference]
  455 |                 assert(ptr);
      |                 ^~~~~~~~~~~
src/include/assert.h:85:27: note: expanded from macro 'assert'
   85 | #define assert(statement)       ASSERT(statement)
      |                                 ^~~~~~~~~~~~~~~~~
src/include/assert.h:56:7: note: expanded from macro 'ASSERT'
   56 |         if (!__build_time_assert(x) && !(x)) {                          \
      |              ^~~~~~~~~~~~~~~~~~~~~~
src/include/assert.h:27:40: note: expanded from macro '__build_time_assert'
   27 |         (__builtin_constant_p(x) ? ((x) ? 1 : dead_code_t(int)) : 0)
      |                                               ^~~~~~~~~~~~~~~~
src/include/assert.h:105:2: note: expanded from macro 'dead_code_t'
  105 |         *(type *)(uintptr_t)0; \
      |         ^~~~~~~~~~~~~~~~~~~~~
src/soc/intel/xeon_sp/uncore_acpi.c:455:3: note: consider using __builtin_trap() or qualifying pointer with 'volatile'
src/include/assert.h:85:27: note: expanded from macro 'assert'
   85 | #define assert(statement)       ASSERT(statement)
      |                                 ^
src/include/assert.h:56:7: note: expanded from macro 'ASSERT'
   56 |         if (!__build_time_assert(x) && !(x)) {                          \
      |              ^
src/include/assert.h:27:40: note: expanded from macro '__build_time_assert'
   27 |         (__builtin_constant_p(x) ? ((x) ? 1 : dead_code_t(int)) : 0)
      |                                               ^
src/include/assert.h:105:2: note: expanded from macro 'dead_code_t'
  105 |         *(type *)(uintptr_t)0; \
      |         ^
src/soc/intel/xeon_sp/uncore_acpi.c:540:7: error: call to undeclared function 'is_domain0'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  540 |                 if (is_domain0(dev_get_pci_domain(dev))) {
      |                     ^
src/soc/intel/xeon_sp/uncore_acpi.c:546:2: error: indirection of non-volatile null pointer will be deleted, not trap [-Werror,-Wnull-dereference]
  546 |         assert(iommu0);
      |         ^~~~~~~~~~~~~~
src/include/assert.h:85:27: note: expanded from macro 'assert'
   85 | #define assert(statement)       ASSERT(statement)
      |                                 ^~~~~~~~~~~~~~~~~
src/include/assert.h:56:7: note: expanded from macro 'ASSERT'
   56 |         if (!__build_time_assert(x) && !(x)) {                          \
      |              ^~~~~~~~~~~~~~~~~~~~~~
src/include/assert.h:27:40: note: expanded from macro '__build_time_assert'
   27 |         (__builtin_constant_p(x) ? ((x) ? 1 : dead_code_t(int)) : 0)
      |                                               ^~~~~~~~~~~~~~~~
src/include/assert.h:105:2: note: expanded from macro 'dead_code_t'
  105 |         *(type *)(uintptr_t)0; \
      |         ^~~~~~~~~~~~~~~~~~~~~
src/soc/intel/xeon_sp/uncore_acpi.c:546:2: note: consider using __builtin_trap() or qualifying pointer with 'volatile'
src/include/assert.h:85:27: note: expanded from macro 'assert'
   85 | #define assert(statement)       ASSERT(statement)
      |                                 ^
src/include/assert.h:56:7: note: expanded from macro 'ASSERT'
   56 |         if (!__build_time_assert(x) && !(x)) {                          \
      |              ^
src/include/assert.h:27:40: note: expanded from macro '__build_time_assert'
   27 |         (__builtin_constant_p(x) ? ((x) ? 1 : dead_code_t(int)) : 0)
      |                                               ^
src/include/assert.h:105:2: note: expanded from macro 'dead_code_t'
  105 |         *(type *)(uintptr_t)0; \
      |         ^

Change-Id: If919d6fa578a82fbb6bc5e1fd2adf4e9f59cab95
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81232
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
This commit is contained in:
Martin L Roth
2024-03-13 17:02:25 +00:00
parent e1ea9656cd
commit 014ec7c704
1 changed files with 21 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
src/soc/intel/xeon_sp/uncore_acpi.c
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@@ -215,6 +215,12 @@ static unsigned long acpi_fill_slit(unsigned long current)
}
#endif
static struct device *dev_find_iommu_on_stack(uint8_t socket, uint8_t stack)
{
return dev_find_all_devices_on_stack(socket, stack, PCI_VID_INTEL,
MMAP_VTD_CFG_REG_DEVID, NULL);
}
/*
* This function adds PCIe bridge device entry in DMAR table. If it is called
* in the context of ATSR subtable, it adds ATSR subtable when it is first called.
@@ -248,11 +254,15 @@ static unsigned long acpi_create_dmar_ds_pci_br_for_port(unsigned long current,
return (atsr_size + pci_br_size);
}
static unsigned long acpi_create_drhd(unsigned long current, struct device *iommu,
const IIO_UDS *hob)
static unsigned long acpi_create_drhd(unsigned long current, int socket,
int stack, const IIO_UDS *hob)
{
unsigned long tmp = current;
struct device *iommu = dev_find_iommu_on_stack(socket, stack);
if (!iommu)
return current;
struct resource *resource;
resource = probe_resource(iommu, VTD_BAR_CSR);
if (!resource)
@@ -264,15 +274,13 @@ static unsigned long acpi_create_drhd(unsigned long current, struct device *iomm
const uint32_t bus = iommu->upstream->secondary;
uint32_t pcie_seg = iommu->upstream->segment_group;
int socket = iio_pci_domain_socket_from_dev(iommu);
int stack = iio_pci_domain_stack_from_dev(iommu);
printk(BIOS_SPEW, "%s socket: %d, stack: %d, bus: 0x%x, pcie_seg: 0x%x, reg_base: 0x%x\n",
__func__, socket, stack, bus, pcie_seg, reg_base);
// Add DRHD Hardware Unit
if (is_dev_on_domain0(iommu)) {
if (is_stack0(socket, stack)) {
printk(BIOS_DEBUG, "[Hardware Unit Definition] Flags: 0x%x, PCI Segment Number: 0x%x, "
"Register Base Address: 0x%x\n",
DRHD_INCLUDE_PCI_ALL, pcie_seg, reg_base);
@@ -285,7 +293,7 @@ static unsigned long acpi_create_drhd(unsigned long current, struct device *iomm
}
// Add PCH IOAPIC
if (is_dev_on_domain0(iommu)) {
if (is_stack0(socket, stack)) {
union p2sb_bdf ioapic_bdf = p2sb_get_ioapic_bdf();
printk(BIOS_DEBUG, " [IOAPIC Device] Enumeration ID: 0x%x, PCI Bus Number: 0x%x, "
"PCI Path: 0x%x, 0x%x\n", get_ioapic_id(IO_APIC_ADDR), ioapic_bdf.bus,
@@ -317,7 +325,7 @@ static unsigned long acpi_create_drhd(unsigned long current, struct device *iomm
#endif
// Add PCIe Ports
if (!is_dev_on_domain0(iommu)) {
if (!is_stack0(socket, stack)) {
struct device *domain = dev_get_pci_domain(iommu);
struct device *dev = NULL;
while ((dev = dev_bus_each_child(domain->downstream, dev)))
@@ -360,7 +368,7 @@ static unsigned long acpi_create_drhd(unsigned long current, struct device *iomm
}
// Add HPET
if (is_dev_on_domain0(iommu)) {
if (is_stack0(socket, stack)) {
uint16_t hpet_capid = read16p(HPET_BASE_ADDRESS);
uint16_t num_hpets = (hpet_capid >> 0x08) & 0x1F; // Bits [8:12] has hpet count
printk(BIOS_SPEW, "%s hpet_capid: 0x%x, num_hpets: 0x%x\n",
@@ -533,18 +541,13 @@ static unsigned long acpi_fill_dmar(unsigned long current)
{
const IIO_UDS *hob = get_iio_uds();
// DRHD - iommu0 must be the last DRHD entry.
struct device *dev = NULL;
struct device *iommu0 = NULL;
while ((dev = dev_find_device(PCI_VID_INTEL, MMAP_VTD_CFG_REG_DEVID, dev))) {
if (is_domain0(dev_get_pci_domain(dev))) {
iommu0 = dev;
// DRHD - socket 0 stack 0 must be the last DRHD entry.
for (int socket = (CONFIG_MAX_SOCKET - 1); socket >= 0; --socket) {
if (!soc_cpu_is_enabled(socket))
continue;
for (int stack = (MAX_LOGIC_IIO_STACK - 1); stack >= 0; --stack)
current = acpi_create_drhd(current, socket, stack, hob);
}
current = acpi_create_drhd(current, dev, hob);
}
assert(iommu0);
current = acpi_create_drhd(current, iommu0, hob);
// RMRR
current = acpi_create_rmrr(current);