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>
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@ -14,6 +14,7 @@
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#include <pc80/i8254.h>
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#include <pc80/i8259.h>
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#include <amdblocks/acpimmio.h>
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#include <amdblocks/espi.h>
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#include <amdblocks/lpc.h>
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#include <soc/acpi.h>
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#include <soc/southbridge.h>
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@ -278,6 +279,18 @@ static void configure_child_lpc_windows(struct device *dev, struct device *child
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pci_write_config32(dev, LPC_IO_OR_MEM_DECODE_ENABLE, reg_x);
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}
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static void configure_child_espi_windows(struct device *child)
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{
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struct resource *res;
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for (res = child->resource_list; res; res = res->next) {
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if (res->flags & IORESOURCE_IO)
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espi_open_io_window(res->base, res->size);
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else if (res->flags & IORESOURCE_MEM)
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espi_open_mmio_window(res->base, res->size);
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}
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}
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static void lpc_enable_children_resources(struct device *dev)
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{
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struct bus *link;
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@ -289,7 +302,10 @@ static void lpc_enable_children_resources(struct device *dev)
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continue;
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if (child->path.type != DEVICE_PATH_PNP)
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continue;
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configure_child_lpc_windows(dev, child);
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if (CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI))
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configure_child_espi_windows(child);
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else
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configure_child_lpc_windows(dev, child);
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}
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}
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}
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