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-rw-r--r--src/commonlib/bsd/include/commonlib/bsd/cb_err.h7
-rw-r--r--src/commonlib/include/commonlib/coreboot_tables.h9
-rw-r--r--src/include/boot/coreboot_tables.h2
-rw-r--r--src/lib/coreboot_table.c18
4 files changed, 33 insertions, 3 deletions
diff --git a/src/commonlib/bsd/include/commonlib/bsd/cb_err.h b/src/commonlib/bsd/include/commonlib/bsd/cb_err.h
index eec44f2f1c..725882c602 100644
--- a/src/commonlib/bsd/include/commonlib/bsd/cb_err.h
+++ b/src/commonlib/bsd/include/commonlib/bsd/cb_err.h
@@ -13,9 +13,10 @@
* success. Allocate a new group or errors every 100 values.
*/
enum cb_err {
- CB_SUCCESS = 0, /**< Call completed successfully */
- CB_ERR = -1, /**< Generic error code */
- CB_ERR_ARG = -2, /**< Invalid argument */
+ CB_SUCCESS = 0, /**< Call completed successfully */
+ CB_ERR = -1, /**< Generic error code */
+ CB_ERR_ARG = -2, /**< Invalid argument */
+ CB_ERR_NOT_IMPLEMENTED = -3, /**< Function not implemented */
/* NVRAM/CMOS errors */
CB_CMOS_OTABLE_DISABLED = -100, /**< Option table disabled */
diff --git a/src/commonlib/include/commonlib/coreboot_tables.h b/src/commonlib/include/commonlib/coreboot_tables.h
index 7666588cf6..3f7ff2df29 100644
--- a/src/commonlib/include/commonlib/coreboot_tables.h
+++ b/src/commonlib/include/commonlib/coreboot_tables.h
@@ -86,6 +86,7 @@ enum {
LB_TAG_ACPI_CNVS = 0x0041,
LB_TAG_TYPE_C_INFO = 0x0042,
LB_TAG_ACPI_RSDP = 0x0043,
+ LB_TAG_PCIE = 0x0044,
/* The following options are CMOS-related */
LB_TAG_CMOS_OPTION_TABLE = 0x00c8,
LB_TAG_OPTION = 0x00c9,
@@ -144,6 +145,14 @@ struct lb_memory {
struct lb_memory_range map[0];
};
+struct lb_pcie {
+ uint32_t tag;
+ uint32_t size;
+ lb_uint64_t ctrl_base; /* Base address of PCIe controller */
+};
+_Static_assert(_Alignof(struct lb_pcie) == 4,
+ "lb_uint64_t alignment doesn't work as expected for struct lb_pcie!");
+
struct lb_hwrpb {
uint32_t tag;
uint32_t size;
diff --git a/src/include/boot/coreboot_tables.h b/src/include/boot/coreboot_tables.h
index e77c60aad3..7525fda48f 100644
--- a/src/include/boot/coreboot_tables.h
+++ b/src/include/boot/coreboot_tables.h
@@ -21,6 +21,8 @@ void uart_fill_lb(void *data);
void lb_add_serial(struct lb_serial *serial, void *data);
void lb_add_console(uint16_t consoletype, void *data);
+enum cb_err lb_fill_pcie(struct lb_pcie *pcie);
+
/* Define this in mainboard.c to add board-specific table entries. */
void lb_board(struct lb_header *header);
diff --git a/src/lib/coreboot_table.c b/src/lib/coreboot_table.c
index ebaa3a52f5..2a7ccc5f55 100644
--- a/src/lib/coreboot_table.c
+++ b/src/lib/coreboot_table.c
@@ -33,6 +33,11 @@
void lb_string_platform_blob_version(struct lb_header *header);
#endif
+__weak enum cb_err lb_fill_pcie(struct lb_pcie *pcie)
+{
+ return CB_ERR_NOT_IMPLEMENTED;
+}
+
static struct lb_header *lb_table_init(unsigned long addr)
{
struct lb_header *header;
@@ -118,6 +123,16 @@ void lb_add_console(uint16_t consoletype, void *data)
console->type = consoletype;
}
+static void lb_pcie(struct lb_header *header)
+{
+ struct lb_pcie pcie = { .tag = LB_TAG_PCIE, .size = sizeof(pcie) };
+
+ if (lb_fill_pcie(&pcie) != CB_SUCCESS)
+ return;
+
+ memcpy(lb_new_record(header), &pcie, sizeof(pcie));
+}
+
static void lb_framebuffer(struct lb_header *header)
{
struct lb_framebuffer *framebuffer;
@@ -483,6 +498,9 @@ static uintptr_t write_coreboot_table(uintptr_t rom_table_end)
if (CONFIG(CONSOLE_USB))
lb_add_console(LB_TAG_CONSOLE_EHCI, head);
+ if (CONFIG(PCI))
+ lb_pcie(head);
+
/* Record our various random string information */
lb_strings(head);
if (CONFIG(PLATFORM_USES_FSP2_0))