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| author | Jianjun Wang <jianjun.wang@mediatek.com> | 2022-03-31 15:34:34 +0800 |
|---|---|---|
| committer | Shelley Chen <shchen@google.com> | 2022-05-19 16:34:55 +0000 |
| commit | d16c2aa6de75fb5f0bc4d73e77891461c6977968 (patch) | |
| tree | 51e99f00f4647c976257500f0e2be903f352a883 /src/lib | |
| parent | cd259cb08a99812082f8bb2f7ecd23c031bb4e2d (diff) | |
| download | coreboot-d16c2aa6de75fb5f0bc4d73e77891461c6977968.tar.gz coreboot-d16c2aa6de75fb5f0bc4d73e77891461c6977968.tar.bz2 coreboot-d16c2aa6de75fb5f0bc4d73e77891461c6977968.zip | |
coreboot_tables: Add PCIe info to coreboot table
Add 'lb_fill_pcie' function to pass PCIe information from coreboot to
libpayload, and add CB_ERR_NOT_IMPLEMENTED to the cb_err enum for the
__weak function.
ARM platform usually does not have common address for PCIe to access the
configuration space of devices. Therefore, new API is added to pass the
base address of PCIe controller for payloads to access PCIe devices.
TEST=Build pass and boot up to kernel successfully via SSD on Dojo
board, here is the SSD information in boot log:
== NVME IDENTIFY CONTROLLER DATA ==
PCI VID : 0x15b7
PCI SSVID : 0x15b7
SN : 21517J440114
MN : WDC PC SN530 SDBPTPZ-256G-1006
RAB : 0x4
AERL : 0x7
SQES : 0x66
CQES : 0x44
NN : 0x1
Identified NVMe model WDC PC SN530 SDBPTPZ-256G-1006
BUG=b:178565024
BRANCH=cherry
Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
Change-Id: I6cdce21efc66aa441ec077e6fc1d5d1c6a9aafb0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63251
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Shelley Chen <shchen@google.com>
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/coreboot_table.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/lib/coreboot_table.c b/src/lib/coreboot_table.c index ebaa3a52f555..2a7ccc5f55c0 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)) |