diff options
| author | Furquan Shaikh <furquan@google.com> | 2020-05-04 23:42:46 -0700 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2020-05-12 20:06:23 +0000 |
| commit | 511aa44ee68bba15f3aa87e0b6766852436a1c65 (patch) | |
| tree | 16eb88a72caf101c2e7a85b53d5aba208b6cf734 | |
| parent | 98bc961ee365f9d71ee3844e522b659519a8f8a2 (diff) | |
soc/amd/common/block/lpc: Configure io/mmio windows differently for LPC and eSPI
This change updates lpc_enable_children_resources() to configure IO
and MMIO resources differently depending upon whether the mainboard
wants to setup decode windows for LPC or eSPI.
BUG=b:154445472,b:153675913
Change-Id: Ie8803e934f39388aeb6e3cbd7157664cb357ab23
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41074
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
| -rw-r--r-- | src/soc/amd/common/block/lpc/lpc.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/soc/amd/common/block/lpc/lpc.c b/src/soc/amd/common/block/lpc/lpc.c index 1e57bc05e5..3ddedcebe8 100644 --- a/src/soc/amd/common/block/lpc/lpc.c +++ b/src/soc/amd/common/block/lpc/lpc.c @@ -14,6 +14,7 @@ #include <pc80/i8254.h> #include <pc80/i8259.h> #include <amdblocks/acpimmio.h> +#include <amdblocks/espi.h> #include <amdblocks/lpc.h> #include <soc/acpi.h> #include <soc/southbridge.h> @@ -278,6 +279,18 @@ static void configure_child_lpc_windows(struct device *dev, struct device *child pci_write_config32(dev, LPC_IO_OR_MEM_DECODE_ENABLE, reg_x); } +static void configure_child_espi_windows(struct device *child) +{ + struct resource *res; + + for (res = child->resource_list; res; res = res->next) { + if (res->flags & IORESOURCE_IO) + espi_open_io_window(res->base, res->size); + else if (res->flags & IORESOURCE_MEM) + espi_open_mmio_window(res->base, res->size); + } +} + static void lpc_enable_children_resources(struct device *dev) { struct bus *link; @@ -289,7 +302,10 @@ static void lpc_enable_children_resources(struct device *dev) continue; if (child->path.type != DEVICE_PATH_PNP) continue; - configure_child_lpc_windows(dev, child); + if (CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI)) + configure_child_espi_windows(child); + else + configure_child_lpc_windows(dev, child); } } } |